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author | madmaxoft <github@xoft.cz> | 2013-08-07 22:39:40 +0200 |
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committer | madmaxoft <github@xoft.cz> | 2013-08-07 22:39:40 +0200 |
commit | 09ebda4d10ef004d196315b829e9c6740dd3d1ee (patch) | |
tree | 402223064c637abc1a036c82177f63ac8f534843 /squirrel_3_0_1_stable/squirrel | |
parent | Merge pull request #48 from mc-server/BlockTracing (diff) | |
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Diffstat (limited to '')
31 files changed, 0 insertions, 11163 deletions
diff --git a/squirrel_3_0_1_stable/squirrel.dsw b/squirrel_3_0_1_stable/squirrel.dsw deleted file mode 100644 index 721509106..000000000 --- a/squirrel_3_0_1_stable/squirrel.dsw +++ /dev/null @@ -1,77 +0,0 @@ -Microsoft Developer Studio Workspace File, Format Version 6.00 -# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE! - -############################################################################### - -Project: "sq"=.\sq\sq.dsp - Package Owner=<4> - -Package=<5> -{{{ - begin source code control - . - end source code control -}}} - -Package=<4> -{{{ - Begin Project Dependency - Project_Dep_Name sqlibs - End Project Dependency - Begin Project Dependency - Project_Dep_Name squirrel - End Project Dependency - Begin Project Dependency - Project_Dep_Name sqstdlib - End Project Dependency -}}} - -############################################################################### - -Project: "sqstdlib"=.\sqstdlib\sqstdlib.dsp - Package Owner=<4> - -Package=<5> -{{{ - begin source code control - "$/squirrel", HAAAAAAA - . - end source code control -}}} - -Package=<4> -{{{ -}}} - -############################################################################### - -Project: "squirrel"=.\squirrel\squirrel.dsp - Package Owner=<4> - -Package=<5> -{{{ - begin source code control - "$/squirrel", HAAAAAAA - . - end source code control -}}} - -Package=<4> -{{{ -}}} - -############################################################################### - -Global: - -Package=<5> -{{{ - begin source code control - "$/squirrel", HAAAAAAA - . - end source code control -}}} - -Package=<3> -{{{ -}}} - -############################################################################### - diff --git a/squirrel_3_0_1_stable/squirrel/Makefile b/squirrel_3_0_1_stable/squirrel/Makefile deleted file mode 100644 index d5de81a96..000000000 --- a/squirrel_3_0_1_stable/squirrel/Makefile +++ /dev/null @@ -1,52 +0,0 @@ -SQUIRREL= ..
-
-
-OUT= $(SQUIRREL)/lib/libsquirrel.a
-INCZ= -I$(SQUIRREL)/include -I. -Iinclude
-DEFS=
-LIB=
-
-OBJS= \
- sqapi.o \
- sqbaselib.o \
- sqfuncstate.o \
- sqdebug.o \
- sqlexer.o \
- sqobject.o \
- sqcompiler.o \
- sqstate.o \
- sqtable.o \
- sqmem.o \
- sqvm.o \
- sqclass.o
-
-SRCS= \
- sqapi.cpp \
- sqbaselib.cpp \
- sqfuncstate.cpp \
- sqdebug.cpp \
- sqlexer.cpp \
- sqobject.cpp \
- sqcompiler.cpp \
- sqstate.cpp \
- sqtable.cpp \
- sqmem.cpp \
- sqvm.cpp \
- sqclass.cpp
-
-
-
-sq32:
- gcc -O2 -fno-exceptions -fno-rtti -Wall -fno-strict-aliasing -c $(SRCS) $(INCZ) $(DEFS)
- ar rc $(OUT) *.o
- rm *.o
-
-sqprof:
- gcc -O2 -pg -fno-exceptions -fno-rtti -pie -gstabs -g3 -Wall -fno-strict-aliasing -c $(SRCS) $(INCZ) $(DEFS)
- ar rc $(OUT) *.o
- rm *.o
-
-sq64:
- gcc -O2 -m64 -D_SQ64 -fno-exceptions -fno-rtti -Wall -fno-strict-aliasing -c $(SRCS) $(INCZ) $(DEFS)
- ar rc $(OUT) *.o
- rm *.o
diff --git a/squirrel_3_0_1_stable/squirrel/sqapi.cpp b/squirrel_3_0_1_stable/squirrel/sqapi.cpp deleted file mode 100644 index 4c9b4c706..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqapi.cpp +++ /dev/null @@ -1,1456 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#include "sqvm.h" -#include "sqstring.h" -#include "sqtable.h" -#include "sqarray.h" -#include "sqfuncproto.h" -#include "sqclosure.h" -#include "squserdata.h" -#include "sqcompiler.h" -#include "sqfuncstate.h" -#include "sqclass.h" - -bool sq_aux_gettypedarg(HSQUIRRELVM v,SQInteger idx,SQObjectType type,SQObjectPtr **o) -{ - *o = &stack_get(v,idx); - if(type(**o) != type){ - SQObjectPtr oval = v->PrintObjVal(**o); - v->Raise_Error(_SC("wrong argument type, expected '%s' got '%.50s'"),IdType2Name(type),_stringval(oval)); - return false; - } - return true; -} - -#define _GETSAFE_OBJ(v,idx,type,o) { if(!sq_aux_gettypedarg(v,idx,type,&o)) return SQ_ERROR; } - -#define sq_aux_paramscheck(v,count) \ -{ \ - if(sq_gettop(v) < count){ v->Raise_Error(_SC("not enough params in the stack")); return SQ_ERROR; }\ -} - - -SQInteger sq_aux_invalidtype(HSQUIRRELVM v,SQObjectType type) -{ - scsprintf(_ss(v)->GetScratchPad(100), _SC("unexpected type %s"), IdType2Name(type)); - return sq_throwerror(v, _ss(v)->GetScratchPad(-1)); -} - -HSQUIRRELVM sq_open(SQInteger initialstacksize) -{ - SQSharedState *ss; - SQVM *v; - sq_new(ss, SQSharedState); - ss->Init(); - v = (SQVM *)SQ_MALLOC(sizeof(SQVM)); - new (v) SQVM(ss); - ss->_root_vm = v; - if(v->Init(NULL, initialstacksize)) { - return v; - } else { - sq_delete(v, SQVM); - return NULL; - } - return v; -} - -HSQUIRRELVM sq_newthread(HSQUIRRELVM friendvm, SQInteger initialstacksize) -{ - SQSharedState *ss; - SQVM *v; - ss=_ss(friendvm); - - v= (SQVM *)SQ_MALLOC(sizeof(SQVM)); - new (v) SQVM(ss); - - if(v->Init(friendvm, initialstacksize)) { - friendvm->Push(v); - return v; - } else { - sq_delete(v, SQVM); - return NULL; - } -} - -SQInteger sq_getvmstate(HSQUIRRELVM v) -{ - if(v->_suspended) - return SQ_VMSTATE_SUSPENDED; - else { - if(v->_callsstacksize != 0) return SQ_VMSTATE_RUNNING; - else return SQ_VMSTATE_IDLE; - } -} - -void sq_seterrorhandler(HSQUIRRELVM v) -{ - SQObject o = stack_get(v, -1); - if(sq_isclosure(o) || sq_isnativeclosure(o) || sq_isnull(o)) { - v->_errorhandler = o; - v->Pop(); - } -} - -void sq_setnativedebughook(HSQUIRRELVM v,SQDEBUGHOOK hook) -{ - v->_debughook_native = hook; - v->_debughook_closure.Null(); - v->_debughook = hook?true:false; -} - -void sq_setdebughook(HSQUIRRELVM v) -{ - SQObject o = stack_get(v,-1); - if(sq_isclosure(o) || sq_isnativeclosure(o) || sq_isnull(o)) { - v->_debughook_closure = o; - v->_debughook_native = NULL; - v->_debughook = !sq_isnull(o); - v->Pop(); - } -} - -void sq_close(HSQUIRRELVM v) -{ - SQSharedState *ss = _ss(v); - _thread(ss->_root_vm)->Finalize(); - sq_delete(ss, SQSharedState); -} - -SQRESULT sq_compile(HSQUIRRELVM v,SQLEXREADFUNC read,SQUserPointer p,const SQChar *sourcename,SQBool raiseerror) -{ - SQObjectPtr o; -#ifndef NO_COMPILER - if(Compile(v, read, p, sourcename, o, raiseerror?true:false, _ss(v)->_debuginfo)) { - v->Push(SQClosure::Create(_ss(v), _funcproto(o))); - return SQ_OK; - } - return SQ_ERROR; -#else - return sq_throwerror(v,_SC("this is a no compiler build")); -#endif -} - -void sq_enabledebuginfo(HSQUIRRELVM v, SQBool enable) -{ - _ss(v)->_debuginfo = enable?true:false; -} - -void sq_notifyallexceptions(HSQUIRRELVM v, SQBool enable) -{ - _ss(v)->_notifyallexceptions = enable?true:false; -} - -void sq_addref(HSQUIRRELVM v,HSQOBJECT *po) -{ - if(!ISREFCOUNTED(type(*po))) return; -#ifdef NO_GARBAGE_COLLECTOR - __AddRef(po->_type,po->_unVal); -#else - _ss(v)->_refs_table.AddRef(*po); -#endif -} - -SQUnsignedInteger sq_getrefcount(HSQUIRRELVM v,HSQOBJECT *po) -{ - if(!ISREFCOUNTED(type(*po))) return 0; -#ifdef NO_GARBAGE_COLLECTOR - return po->_unVal.pRefCounted->_uiRef; -#else - return _ss(v)->_refs_table.GetRefCount(*po); -#endif -} - -SQBool sq_release(HSQUIRRELVM v,HSQOBJECT *po) -{ - if(!ISREFCOUNTED(type(*po))) return SQTrue; -#ifdef NO_GARBAGE_COLLECTOR - bool ret = (po->_unVal.pRefCounted->_uiRef <= 1) ? SQTrue : SQFalse; - __Release(po->_type,po->_unVal); - return ret; //the ret val doesn't work(and cannot be fixed) -#else - return _ss(v)->_refs_table.Release(*po); -#endif -} - -const SQChar *sq_objtostring(const HSQOBJECT *o) -{ - if(sq_type(*o) == OT_STRING) { - return _stringval(*o); - } - return NULL; -} - -SQInteger sq_objtointeger(const HSQOBJECT *o) -{ - if(sq_isnumeric(*o)) { - return tointeger(*o); - } - return 0; -} - -SQFloat sq_objtofloat(const HSQOBJECT *o) -{ - if(sq_isnumeric(*o)) { - return tofloat(*o); - } - return 0; -} - -SQBool sq_objtobool(const HSQOBJECT *o) -{ - if(sq_isbool(*o)) { - return _integer(*o); - } - return SQFalse; -} - -SQUserPointer sq_objtouserpointer(const HSQOBJECT *o) -{ - if(sq_isuserpointer(*o)) { - return _userpointer(*o); - } - return 0; -} - -void sq_pushnull(HSQUIRRELVM v) -{ - v->PushNull(); -} - -void sq_pushstring(HSQUIRRELVM v,const SQChar *s,SQInteger len) -{ - if(s) - v->Push(SQObjectPtr(SQString::Create(_ss(v), s, len))); - else v->PushNull(); -} - -void sq_pushinteger(HSQUIRRELVM v,SQInteger n) -{ - v->Push(n); -} - -void sq_pushbool(HSQUIRRELVM v,SQBool b) -{ - v->Push(b?true:false); -} - -void sq_pushfloat(HSQUIRRELVM v,SQFloat n) -{ - v->Push(n); -} - -void sq_pushuserpointer(HSQUIRRELVM v,SQUserPointer p) -{ - v->Push(p); -} - -SQUserPointer sq_newuserdata(HSQUIRRELVM v,SQUnsignedInteger size) -{ - SQUserData *ud = SQUserData::Create(_ss(v), size); - v->Push(ud); - return (SQUserPointer)sq_aligning(ud + 1); -} - -void sq_newtable(HSQUIRRELVM v) -{ - v->Push(SQTable::Create(_ss(v), 0)); -} - -void sq_newtableex(HSQUIRRELVM v,SQInteger initialcapacity) -{ - v->Push(SQTable::Create(_ss(v), initialcapacity)); -} - -void sq_newarray(HSQUIRRELVM v,SQInteger size) -{ - v->Push(SQArray::Create(_ss(v), size)); -} - -SQRESULT sq_newclass(HSQUIRRELVM v,SQBool hasbase) -{ - SQClass *baseclass = NULL; - if(hasbase) { - SQObjectPtr &base = stack_get(v,-1); - if(type(base) != OT_CLASS) - return sq_throwerror(v,_SC("invalid base type")); - baseclass = _class(base); - } - SQClass *newclass = SQClass::Create(_ss(v), baseclass); - if(baseclass) v->Pop(); - v->Push(newclass); - return SQ_OK; -} - -SQBool sq_instanceof(HSQUIRRELVM v) -{ - SQObjectPtr &inst = stack_get(v,-1); - SQObjectPtr &cl = stack_get(v,-2); - if(type(inst) != OT_INSTANCE || type(cl) != OT_CLASS) - return sq_throwerror(v,_SC("invalid param type")); - return _instance(inst)->InstanceOf(_class(cl))?SQTrue:SQFalse; -} - -SQRESULT sq_arrayappend(HSQUIRRELVM v,SQInteger idx) -{ - sq_aux_paramscheck(v,2); - SQObjectPtr *arr; - _GETSAFE_OBJ(v, idx, OT_ARRAY,arr); - _array(*arr)->Append(v->GetUp(-1)); - v->Pop(); - return SQ_OK; -} - -SQRESULT sq_arraypop(HSQUIRRELVM v,SQInteger idx,SQBool pushval) -{ - sq_aux_paramscheck(v, 1); - SQObjectPtr *arr; - _GETSAFE_OBJ(v, idx, OT_ARRAY,arr); - if(_array(*arr)->Size() > 0) { - if(pushval != 0){ v->Push(_array(*arr)->Top()); } - _array(*arr)->Pop(); - return SQ_OK; - } - return sq_throwerror(v, _SC("empty array")); -} - -SQRESULT sq_arrayresize(HSQUIRRELVM v,SQInteger idx,SQInteger newsize) -{ - sq_aux_paramscheck(v,1); - SQObjectPtr *arr; - _GETSAFE_OBJ(v, idx, OT_ARRAY,arr); - if(newsize >= 0) { - _array(*arr)->Resize(newsize); - return SQ_OK; - } - return sq_throwerror(v,_SC("negative size")); -} - - -SQRESULT sq_arrayreverse(HSQUIRRELVM v,SQInteger idx) -{ - sq_aux_paramscheck(v, 1); - SQObjectPtr *o; - _GETSAFE_OBJ(v, idx, OT_ARRAY,o); - SQArray *arr = _array(*o); - if(arr->Size() > 0) { - SQObjectPtr t; - SQInteger size = arr->Size(); - SQInteger n = size >> 1; size -= 1; - for(SQInteger i = 0; i < n; i++) { - t = arr->_values[i]; - arr->_values[i] = arr->_values[size-i]; - arr->_values[size-i] = t; - } - return SQ_OK; - } - return SQ_OK; -} - -SQRESULT sq_arrayremove(HSQUIRRELVM v,SQInteger idx,SQInteger itemidx) -{ - sq_aux_paramscheck(v, 1); - SQObjectPtr *arr; - _GETSAFE_OBJ(v, idx, OT_ARRAY,arr); - return _array(*arr)->Remove(itemidx) ? SQ_OK : sq_throwerror(v,_SC("index out of range")); -} - -SQRESULT sq_arrayinsert(HSQUIRRELVM v,SQInteger idx,SQInteger destpos) -{ - sq_aux_paramscheck(v, 1); - SQObjectPtr *arr; - _GETSAFE_OBJ(v, idx, OT_ARRAY,arr); - SQRESULT ret = _array(*arr)->Insert(destpos, v->GetUp(-1)) ? SQ_OK : sq_throwerror(v,_SC("index out of range")); - v->Pop(); - return ret; -} - -void sq_newclosure(HSQUIRRELVM v,SQFUNCTION func,SQUnsignedInteger nfreevars) -{ - SQNativeClosure *nc = SQNativeClosure::Create(_ss(v), func,nfreevars); - nc->_nparamscheck = 0; - for(SQUnsignedInteger i = 0; i < nfreevars; i++) { - nc->_outervalues[i] = v->Top(); - v->Pop(); - } - v->Push(SQObjectPtr(nc)); -} - -SQRESULT sq_getclosureinfo(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger *nparams,SQUnsignedInteger *nfreevars) -{ - SQObject o = stack_get(v, idx); - if(type(o) == OT_CLOSURE) { - SQClosure *c = _closure(o); - SQFunctionProto *proto = c->_function; - *nparams = (SQUnsignedInteger)proto->_nparameters; - *nfreevars = (SQUnsignedInteger)proto->_noutervalues; - return SQ_OK; - } - else if(type(o) == OT_NATIVECLOSURE) - { - SQNativeClosure *c = _nativeclosure(o); - *nparams = (SQUnsignedInteger)c->_nparamscheck; - *nfreevars = c->_noutervalues; - return SQ_OK; - } - return sq_throwerror(v,_SC("the object is not a closure")); -} - -SQRESULT sq_setnativeclosurename(HSQUIRRELVM v,SQInteger idx,const SQChar *name) -{ - SQObject o = stack_get(v, idx); - if(sq_isnativeclosure(o)) { - SQNativeClosure *nc = _nativeclosure(o); - nc->_name = SQString::Create(_ss(v),name); - return SQ_OK; - } - return sq_throwerror(v,_SC("the object is not a nativeclosure")); -} - -SQRESULT sq_setparamscheck(HSQUIRRELVM v,SQInteger nparamscheck,const SQChar *typemask) -{ - SQObject o = stack_get(v, -1); - if(!sq_isnativeclosure(o)) - return sq_throwerror(v, _SC("native closure expected")); - SQNativeClosure *nc = _nativeclosure(o); - nc->_nparamscheck = nparamscheck; - if(typemask) { - SQIntVec res; - if(!CompileTypemask(res, typemask)) - return sq_throwerror(v, _SC("invalid typemask")); - nc->_typecheck.copy(res); - } - else { - nc->_typecheck.resize(0); - } - if(nparamscheck == SQ_MATCHTYPEMASKSTRING) { - nc->_nparamscheck = nc->_typecheck.size(); - } - return SQ_OK; -} - -SQRESULT sq_bindenv(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr &o = stack_get(v,idx); - if(!sq_isnativeclosure(o) && - !sq_isclosure(o)) - return sq_throwerror(v,_SC("the target is not a closure")); - SQObjectPtr &env = stack_get(v,-1); - if(!sq_istable(env) && - !sq_isclass(env) && - !sq_isinstance(env)) - return sq_throwerror(v,_SC("invalid environment")); - SQWeakRef *w = _refcounted(env)->GetWeakRef(type(env)); - SQObjectPtr ret; - if(sq_isclosure(o)) { - SQClosure *c = _closure(o)->Clone(); - __ObjRelease(c->_env); - c->_env = w; - __ObjAddRef(c->_env); - if(_closure(o)->_base) { - c->_base = _closure(o)->_base; - __ObjAddRef(c->_base); - } - ret = c; - } - else { //then must be a native closure - SQNativeClosure *c = _nativeclosure(o)->Clone(); - __ObjRelease(c->_env); - c->_env = w; - __ObjAddRef(c->_env); - ret = c; - } - v->Pop(); - v->Push(ret); - return SQ_OK; -} - -SQRESULT sq_clear(HSQUIRRELVM v,SQInteger idx) -{ - SQObject &o=stack_get(v,idx); - switch(type(o)) { - case OT_TABLE: _table(o)->Clear(); break; - case OT_ARRAY: _array(o)->Resize(0); break; - default: - return sq_throwerror(v, _SC("clear only works on table and array")); - break; - - } - return SQ_OK; -} - -void sq_pushroottable(HSQUIRRELVM v) -{ - v->Push(v->_roottable); -} - -void sq_pushregistrytable(HSQUIRRELVM v) -{ - v->Push(_ss(v)->_registry); -} - -void sq_pushconsttable(HSQUIRRELVM v) -{ - v->Push(_ss(v)->_consts); -} - -SQRESULT sq_setroottable(HSQUIRRELVM v) -{ - SQObject o = stack_get(v, -1); - if(sq_istable(o) || sq_isnull(o)) { - v->_roottable = o; - v->Pop(); - return SQ_OK; - } - return sq_throwerror(v, _SC("ivalid type")); -} - -SQRESULT sq_setconsttable(HSQUIRRELVM v) -{ - SQObject o = stack_get(v, -1); - if(sq_istable(o)) { - _ss(v)->_consts = o; - v->Pop(); - return SQ_OK; - } - return sq_throwerror(v, _SC("ivalid type, expected table")); -} - -void sq_setforeignptr(HSQUIRRELVM v,SQUserPointer p) -{ - v->_foreignptr = p; -} - -SQUserPointer sq_getforeignptr(HSQUIRRELVM v) -{ - return v->_foreignptr; -} - -void sq_push(HSQUIRRELVM v,SQInteger idx) -{ - v->Push(stack_get(v, idx)); -} - -SQObjectType sq_gettype(HSQUIRRELVM v,SQInteger idx) -{ - return type(stack_get(v, idx)); -} - - -SQRESULT sq_tostring(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr &o = stack_get(v, idx); - SQObjectPtr res; - if(!v->ToString(o,res)) { - return SQ_ERROR; - } - v->Push(res); - return SQ_OK; -} - -void sq_tobool(HSQUIRRELVM v, SQInteger idx, SQBool *b) -{ - SQObjectPtr &o = stack_get(v, idx); - *b = SQVM::IsFalse(o)?SQFalse:SQTrue; -} - -SQRESULT sq_getinteger(HSQUIRRELVM v,SQInteger idx,SQInteger *i) -{ - SQObjectPtr &o = stack_get(v, idx); - if(sq_isnumeric(o)) { - *i = tointeger(o); - return SQ_OK; - } - return SQ_ERROR; -} - -SQRESULT sq_getfloat(HSQUIRRELVM v,SQInteger idx,SQFloat *f) -{ - SQObjectPtr &o = stack_get(v, idx); - if(sq_isnumeric(o)) { - *f = tofloat(o); - return SQ_OK; - } - return SQ_ERROR; -} - -SQRESULT sq_getbool(HSQUIRRELVM v,SQInteger idx,SQBool *b) -{ - SQObjectPtr &o = stack_get(v, idx); - if(sq_isbool(o)) { - *b = _integer(o); - return SQ_OK; - } - return SQ_ERROR; -} - -SQRESULT sq_getstring(HSQUIRRELVM v,SQInteger idx,const SQChar **c) -{ - SQObjectPtr *o = NULL; - _GETSAFE_OBJ(v, idx, OT_STRING,o); - *c = _stringval(*o); - return SQ_OK; -} - -SQRESULT sq_getthread(HSQUIRRELVM v,SQInteger idx,HSQUIRRELVM *thread) -{ - SQObjectPtr *o = NULL; - _GETSAFE_OBJ(v, idx, OT_THREAD,o); - *thread = _thread(*o); - return SQ_OK; -} - -SQRESULT sq_clone(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr &o = stack_get(v,idx); - v->PushNull(); - if(!v->Clone(o, stack_get(v, -1))){ - v->Pop(); - return SQ_ERROR; - } - return SQ_OK; -} - -SQInteger sq_getsize(HSQUIRRELVM v, SQInteger idx) -{ - SQObjectPtr &o = stack_get(v, idx); - SQObjectType type = type(o); - switch(type) { - case OT_STRING: return _string(o)->_len; - case OT_TABLE: return _table(o)->CountUsed(); - case OT_ARRAY: return _array(o)->Size(); - case OT_USERDATA: return _userdata(o)->_size; - case OT_INSTANCE: return _instance(o)->_class->_udsize; - case OT_CLASS: return _class(o)->_udsize; - default: - return sq_aux_invalidtype(v, type); - } -} - -SQRESULT sq_getuserdata(HSQUIRRELVM v,SQInteger idx,SQUserPointer *p,SQUserPointer *typetag) -{ - SQObjectPtr *o = NULL; - _GETSAFE_OBJ(v, idx, OT_USERDATA,o); - (*p) = _userdataval(*o); - if(typetag) *typetag = _userdata(*o)->_typetag; - return SQ_OK; -} - -SQRESULT sq_settypetag(HSQUIRRELVM v,SQInteger idx,SQUserPointer typetag) -{ - SQObjectPtr &o = stack_get(v,idx); - switch(type(o)) { - case OT_USERDATA: _userdata(o)->_typetag = typetag; break; - case OT_CLASS: _class(o)->_typetag = typetag; break; - default: return sq_throwerror(v,_SC("invalid object type")); - } - return SQ_OK; -} - -SQRESULT sq_getobjtypetag(const HSQOBJECT *o,SQUserPointer * typetag) -{ - switch(type(*o)) { - case OT_INSTANCE: *typetag = _instance(*o)->_class->_typetag; break; - case OT_USERDATA: *typetag = _userdata(*o)->_typetag; break; - case OT_CLASS: *typetag = _class(*o)->_typetag; break; - default: return SQ_ERROR; - } - return SQ_OK; -} - -SQRESULT sq_gettypetag(HSQUIRRELVM v,SQInteger idx,SQUserPointer *typetag) -{ - SQObjectPtr &o = stack_get(v,idx); - if(SQ_FAILED(sq_getobjtypetag(&o,typetag))) - return sq_throwerror(v,_SC("invalid object type")); - return SQ_OK; -} - -SQRESULT sq_getuserpointer(HSQUIRRELVM v, SQInteger idx, SQUserPointer *p) -{ - SQObjectPtr *o = NULL; - _GETSAFE_OBJ(v, idx, OT_USERPOINTER,o); - (*p) = _userpointer(*o); - return SQ_OK; -} - -SQRESULT sq_setinstanceup(HSQUIRRELVM v, SQInteger idx, SQUserPointer p) -{ - SQObjectPtr &o = stack_get(v,idx); - if(type(o) != OT_INSTANCE) return sq_throwerror(v,_SC("the object is not a class instance")); - _instance(o)->_userpointer = p; - return SQ_OK; -} - -SQRESULT sq_setclassudsize(HSQUIRRELVM v, SQInteger idx, SQInteger udsize) -{ - SQObjectPtr &o = stack_get(v,idx); - if(type(o) != OT_CLASS) return sq_throwerror(v,_SC("the object is not a class")); - if(_class(o)->_locked) return sq_throwerror(v,_SC("the class is locked")); - _class(o)->_udsize = udsize; - return SQ_OK; -} - - -SQRESULT sq_getinstanceup(HSQUIRRELVM v, SQInteger idx, SQUserPointer *p,SQUserPointer typetag) -{ - SQObjectPtr &o = stack_get(v,idx); - if(type(o) != OT_INSTANCE) return sq_throwerror(v,_SC("the object is not a class instance")); - (*p) = _instance(o)->_userpointer; - if(typetag != 0) { - SQClass *cl = _instance(o)->_class; - do{ - if(cl->_typetag == typetag) - return SQ_OK; - cl = cl->_base; - }while(cl != NULL); - return sq_throwerror(v,_SC("invalid type tag")); - } - return SQ_OK; -} - -SQInteger sq_gettop(HSQUIRRELVM v) -{ - return (v->_top) - v->_stackbase; -} - -void sq_settop(HSQUIRRELVM v, SQInteger newtop) -{ - SQInteger top = sq_gettop(v); - if(top > newtop) - sq_pop(v, top - newtop); - else - while(top++ < newtop) sq_pushnull(v); -} - -void sq_pop(HSQUIRRELVM v, SQInteger nelemstopop) -{ - assert(v->_top >= nelemstopop); - v->Pop(nelemstopop); -} - -void sq_poptop(HSQUIRRELVM v) -{ - assert(v->_top >= 1); - v->Pop(); -} - - -void sq_remove(HSQUIRRELVM v, SQInteger idx) -{ - v->Remove(idx); -} - -SQInteger sq_cmp(HSQUIRRELVM v) -{ - SQInteger res; - v->ObjCmp(stack_get(v, -1), stack_get(v, -2),res); - return res; -} - -SQRESULT sq_newslot(HSQUIRRELVM v, SQInteger idx, SQBool bstatic) -{ - sq_aux_paramscheck(v, 3); - SQObjectPtr &self = stack_get(v, idx); - if(type(self) == OT_TABLE || type(self) == OT_CLASS) { - SQObjectPtr &key = v->GetUp(-2); - if(type(key) == OT_NULL) return sq_throwerror(v, _SC("null is not a valid key")); - v->NewSlot(self, key, v->GetUp(-1),bstatic?true:false); - v->Pop(2); - } - return SQ_OK; -} - -SQRESULT sq_deleteslot(HSQUIRRELVM v,SQInteger idx,SQBool pushval) -{ - sq_aux_paramscheck(v, 2); - SQObjectPtr *self; - _GETSAFE_OBJ(v, idx, OT_TABLE,self); - SQObjectPtr &key = v->GetUp(-1); - if(type(key) == OT_NULL) return sq_throwerror(v, _SC("null is not a valid key")); - SQObjectPtr res; - if(!v->DeleteSlot(*self, key, res)){ - return SQ_ERROR; - } - if(pushval) v->GetUp(-1) = res; - else v->Pop(); - return SQ_OK; -} - -SQRESULT sq_set(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr &self = stack_get(v, idx); - if(v->Set(self, v->GetUp(-2), v->GetUp(-1),DONT_FALL_BACK)) { - v->Pop(2); - return SQ_OK; - } - return SQ_ERROR; -} - -SQRESULT sq_rawset(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr &self = stack_get(v, idx); - if(type(v->GetUp(-2)) == OT_NULL) return sq_throwerror(v, _SC("null key")); - switch(type(self)) { - case OT_TABLE: - _table(self)->NewSlot(v->GetUp(-2), v->GetUp(-1)); - v->Pop(2); - return SQ_OK; - break; - case OT_CLASS: - _class(self)->NewSlot(_ss(v), v->GetUp(-2), v->GetUp(-1),false); - v->Pop(2); - return SQ_OK; - break; - case OT_INSTANCE: - if(_instance(self)->Set(v->GetUp(-2), v->GetUp(-1))) { - v->Pop(2); - return SQ_OK; - } - break; - case OT_ARRAY: - if(v->Set(self, v->GetUp(-2), v->GetUp(-1),false)) { - v->Pop(2); - return SQ_OK; - } - break; - default: - v->Pop(2); - return sq_throwerror(v, _SC("rawset works only on array/table/class and instance")); - } - v->Raise_IdxError(v->GetUp(-2));return SQ_ERROR; -} - -SQRESULT sq_setdelegate(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr &self = stack_get(v, idx); - SQObjectPtr &mt = v->GetUp(-1); - SQObjectType type = type(self); - switch(type) { - case OT_TABLE: - if(type(mt) == OT_TABLE) { - if(!_table(self)->SetDelegate(_table(mt))) return sq_throwerror(v, _SC("delagate cycle")); v->Pop();} - else if(type(mt)==OT_NULL) { - _table(self)->SetDelegate(NULL); v->Pop(); } - else return sq_aux_invalidtype(v,type); - break; - case OT_USERDATA: - if(type(mt)==OT_TABLE) { - _userdata(self)->SetDelegate(_table(mt)); v->Pop(); } - else if(type(mt)==OT_NULL) { - _userdata(self)->SetDelegate(NULL); v->Pop(); } - else return sq_aux_invalidtype(v, type); - break; - default: - return sq_aux_invalidtype(v, type); - break; - } - return SQ_OK; -} - -SQRESULT sq_rawdeleteslot(HSQUIRRELVM v,SQInteger idx,SQBool pushval) -{ - sq_aux_paramscheck(v, 2); - SQObjectPtr *self; - _GETSAFE_OBJ(v, idx, OT_TABLE,self); - SQObjectPtr &key = v->GetUp(-1); - SQObjectPtr t; - if(_table(*self)->Get(key,t)) { - _table(*self)->Remove(key); - } - if(pushval != 0) - v->GetUp(-1) = t; - else - v->Pop(); - return SQ_OK; -} - -SQRESULT sq_getdelegate(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr &self=stack_get(v,idx); - switch(type(self)){ - case OT_TABLE: - case OT_USERDATA: - if(!_delegable(self)->_delegate){ - v->PushNull(); - break; - } - v->Push(SQObjectPtr(_delegable(self)->_delegate)); - break; - default: return sq_throwerror(v,_SC("wrong type")); break; - } - return SQ_OK; - -} - -SQRESULT sq_get(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr &self=stack_get(v,idx); - if(v->Get(self,v->GetUp(-1),v->GetUp(-1),false,DONT_FALL_BACK)) - return SQ_OK; - v->Pop(); - return SQ_ERROR; -} - -SQRESULT sq_rawget(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr &self=stack_get(v,idx); - switch(type(self)) { - case OT_TABLE: - if(_table(self)->Get(v->GetUp(-1),v->GetUp(-1))) - return SQ_OK; - break; - case OT_CLASS: - if(_class(self)->Get(v->GetUp(-1),v->GetUp(-1))) - return SQ_OK; - break; - case OT_INSTANCE: - if(_instance(self)->Get(v->GetUp(-1),v->GetUp(-1))) - return SQ_OK; - break; - case OT_ARRAY:{ - SQObjectPtr& key = v->GetUp(-1); - if(sq_isnumeric(key)){ - if(_array(self)->Get(tointeger(key),v->GetUp(-1))) { - return SQ_OK; - } - } - else { - v->Pop(); - return sq_throwerror(v,_SC("invalid index type for an array")); - } - } - break; - default: - v->Pop(); - return sq_throwerror(v,_SC("rawget works only on array/table/instance and class")); - } - v->Pop(); - return sq_throwerror(v,_SC("the index doesn't exist")); -} - -SQRESULT sq_getstackobj(HSQUIRRELVM v,SQInteger idx,HSQOBJECT *po) -{ - *po=stack_get(v,idx); - return SQ_OK; -} - -const SQChar *sq_getlocal(HSQUIRRELVM v,SQUnsignedInteger level,SQUnsignedInteger idx) -{ - SQUnsignedInteger cstksize=v->_callsstacksize; - SQUnsignedInteger lvl=(cstksize-level)-1; - SQInteger stackbase=v->_stackbase; - if(lvl<cstksize){ - for(SQUnsignedInteger i=0;i<level;i++){ - SQVM::CallInfo &ci=v->_callsstack[(cstksize-i)-1]; - stackbase-=ci._prevstkbase; - } - SQVM::CallInfo &ci=v->_callsstack[lvl]; - if(type(ci._closure)!=OT_CLOSURE) - return NULL; - SQClosure *c=_closure(ci._closure); - SQFunctionProto *func=c->_function; - if(func->_noutervalues > (SQInteger)idx) { - v->Push(*_outer(c->_outervalues[idx])->_valptr); - return _stringval(func->_outervalues[idx]._name); - } - idx -= func->_noutervalues; - return func->GetLocal(v,stackbase,idx,(SQInteger)(ci._ip-func->_instructions)-1); - } - return NULL; -} - -void sq_pushobject(HSQUIRRELVM v,HSQOBJECT obj) -{ - v->Push(SQObjectPtr(obj)); -} - -void sq_resetobject(HSQOBJECT *po) -{ - po->_unVal.pUserPointer=NULL;po->_type=OT_NULL; -} - -SQRESULT sq_throwerror(HSQUIRRELVM v,const SQChar *err) -{ - v->_lasterror=SQString::Create(_ss(v),err); - return SQ_ERROR; -} - -SQRESULT sq_throwobject(HSQUIRRELVM v) -{ - v->_lasterror = v->GetUp(-1); - v->Pop(); - return SQ_ERROR; -} - - -void sq_reseterror(HSQUIRRELVM v) -{ - v->_lasterror.Null(); -} - -void sq_getlasterror(HSQUIRRELVM v) -{ - v->Push(v->_lasterror); -} - -SQRESULT sq_reservestack(HSQUIRRELVM v,SQInteger nsize) -{ - if (((SQUnsignedInteger)v->_top + nsize) > v->_stack.size()) { - if(v->_nmetamethodscall) { - return sq_throwerror(v,_SC("cannot resize stack while in a metamethod")); - } - v->_stack.resize(v->_stack.size() + ((v->_top + nsize) - v->_stack.size())); - } - return SQ_OK; -} - -SQRESULT sq_resume(HSQUIRRELVM v,SQBool retval,SQBool raiseerror) -{ - if(type(v->GetUp(-1))==OT_GENERATOR){ - v->PushNull(); //retval - if(!v->Execute(v->GetUp(-2),0,v->_top,v->GetUp(-1),raiseerror,SQVM::ET_RESUME_GENERATOR)) - {v->Raise_Error(v->_lasterror); return SQ_ERROR;} - if(!retval) - v->Pop(); - return SQ_OK; - } - return sq_throwerror(v,_SC("only generators can be resumed")); -} - -SQRESULT sq_call(HSQUIRRELVM v,SQInteger params,SQBool retval,SQBool raiseerror) -{ - SQObjectPtr res; - if(v->Call(v->GetUp(-(params+1)),params,v->_top-params,res,raiseerror?true:false)){ - - if(!v->_suspended) { - v->Pop(params);//pop closure and args - } - if(retval){ - v->Push(res); return SQ_OK; - } - return SQ_OK; - } - else { - v->Pop(params); - return SQ_ERROR; - } - if(!v->_suspended) - v->Pop(params); - return sq_throwerror(v,_SC("call failed")); -} - -SQRESULT sq_suspendvm(HSQUIRRELVM v) -{ - return v->Suspend(); -} - -SQRESULT sq_wakeupvm(HSQUIRRELVM v,SQBool wakeupret,SQBool retval,SQBool raiseerror,SQBool throwerror) -{ - SQObjectPtr ret; - if(!v->_suspended) - return sq_throwerror(v,_SC("cannot resume a vm that is not running any code")); - SQInteger target = v->_suspended_target; - if(wakeupret) { - if(target != -1) { - v->GetAt(v->_stackbase+v->_suspended_target)=v->GetUp(-1); //retval - } - v->Pop(); - } else if(target != -1) { v->GetAt(v->_stackbase+v->_suspended_target).Null(); } - SQObjectPtr dummy; - if(!v->Execute(dummy,-1,-1,ret,raiseerror,throwerror?SQVM::ET_RESUME_THROW_VM : SQVM::ET_RESUME_VM)) { - return SQ_ERROR; - } - if(retval) - v->Push(ret); - return SQ_OK; -} - -void sq_setreleasehook(HSQUIRRELVM v,SQInteger idx,SQRELEASEHOOK hook) -{ - if(sq_gettop(v) >= 1){ - SQObjectPtr &ud=stack_get(v,idx); - switch( type(ud) ) { - case OT_USERDATA: _userdata(ud)->_hook = hook; break; - case OT_INSTANCE: _instance(ud)->_hook = hook; break; - case OT_CLASS: _class(ud)->_hook = hook; break; - default: break; //shutup compiler - } - } -} - -void sq_setcompilererrorhandler(HSQUIRRELVM v,SQCOMPILERERROR f) -{ - _ss(v)->_compilererrorhandler = f; -} - -SQRESULT sq_writeclosure(HSQUIRRELVM v,SQWRITEFUNC w,SQUserPointer up) -{ - SQObjectPtr *o = NULL; - _GETSAFE_OBJ(v, -1, OT_CLOSURE,o); - unsigned short tag = SQ_BYTECODE_STREAM_TAG; - if(w(up,&tag,2) != 2) - return sq_throwerror(v,_SC("io error")); - if(!_closure(*o)->Save(v,up,w)) - return SQ_ERROR; - return SQ_OK; -} - -SQRESULT sq_readclosure(HSQUIRRELVM v,SQREADFUNC r,SQUserPointer up) -{ - SQObjectPtr closure; - - unsigned short tag; - if(r(up,&tag,2) != 2) - return sq_throwerror(v,_SC("io error")); - if(tag != SQ_BYTECODE_STREAM_TAG) - return sq_throwerror(v,_SC("invalid stream")); - if(!SQClosure::Load(v,up,r,closure)) - return SQ_ERROR; - v->Push(closure); - return SQ_OK; -} - -SQChar *sq_getscratchpad(HSQUIRRELVM v,SQInteger minsize) -{ - return _ss(v)->GetScratchPad(minsize); -} - -SQRESULT sq_resurrectunreachable(HSQUIRRELVM v) -{ -#ifndef NO_GARBAGE_COLLECTOR - _ss(v)->ResurrectUnreachable(v); - return SQ_OK; -#else - return sq_throwerror(v,_SC("sq_resurrectunreachable requires a garbage collector build")); -#endif -} - -SQInteger sq_collectgarbage(HSQUIRRELVM v) -{ -#ifndef NO_GARBAGE_COLLECTOR - return _ss(v)->CollectGarbage(v); -#else - return -1; -#endif -} - -SQRESULT sq_getcallee(HSQUIRRELVM v) -{ - if(v->_callsstacksize > 1) - { - v->Push(v->_callsstack[v->_callsstacksize - 2]._closure); - return SQ_OK; - } - return sq_throwerror(v,_SC("no closure in the calls stack")); -} - -const SQChar *sq_getfreevariable(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger nval) -{ - SQObjectPtr &self=stack_get(v,idx); - const SQChar *name = NULL; - switch(type(self)) - { - case OT_CLOSURE:{ - SQClosure *clo = _closure(self); - SQFunctionProto *fp = clo->_function; - if(((SQUnsignedInteger)fp->_noutervalues) > nval) { - v->Push(*(_outer(clo->_outervalues[nval])->_valptr)); - SQOuterVar &ov = fp->_outervalues[nval]; - name = _stringval(ov._name); - } - } - break; - case OT_NATIVECLOSURE:{ - SQNativeClosure *clo = _nativeclosure(self); - if(clo->_noutervalues > nval) { - v->Push(clo->_outervalues[nval]); - name = _SC("@NATIVE"); - } - } - break; - default: break; //shutup compiler - } - return name; -} - -SQRESULT sq_setfreevariable(HSQUIRRELVM v,SQInteger idx,SQUnsignedInteger nval) -{ - SQObjectPtr &self=stack_get(v,idx); - switch(type(self)) - { - case OT_CLOSURE:{ - SQFunctionProto *fp = _closure(self)->_function; - if(((SQUnsignedInteger)fp->_noutervalues) > nval){ - *(_outer(_closure(self)->_outervalues[nval])->_valptr) = stack_get(v,-1); - } - else return sq_throwerror(v,_SC("invalid free var index")); - } - break; - case OT_NATIVECLOSURE: - if(_nativeclosure(self)->_noutervalues > nval){ - _nativeclosure(self)->_outervalues[nval] = stack_get(v,-1); - } - else return sq_throwerror(v,_SC("invalid free var index")); - break; - default: - return sq_aux_invalidtype(v,type(self)); - } - v->Pop(); - return SQ_OK; -} - -SQRESULT sq_setattributes(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr *o = NULL; - _GETSAFE_OBJ(v, idx, OT_CLASS,o); - SQObjectPtr &key = stack_get(v,-2); - SQObjectPtr &val = stack_get(v,-1); - SQObjectPtr attrs; - if(type(key) == OT_NULL) { - attrs = _class(*o)->_attributes; - _class(*o)->_attributes = val; - v->Pop(2); - v->Push(attrs); - return SQ_OK; - }else if(_class(*o)->GetAttributes(key,attrs)) { - _class(*o)->SetAttributes(key,val); - v->Pop(2); - v->Push(attrs); - return SQ_OK; - } - return sq_throwerror(v,_SC("wrong index")); -} - -SQRESULT sq_getattributes(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr *o = NULL; - _GETSAFE_OBJ(v, idx, OT_CLASS,o); - SQObjectPtr &key = stack_get(v,-1); - SQObjectPtr attrs; - if(type(key) == OT_NULL) { - attrs = _class(*o)->_attributes; - v->Pop(); - v->Push(attrs); - return SQ_OK; - } - else if(_class(*o)->GetAttributes(key,attrs)) { - v->Pop(); - v->Push(attrs); - return SQ_OK; - } - return sq_throwerror(v,_SC("wrong index")); -} - -SQRESULT sq_getmemberhandle(HSQUIRRELVM v,SQInteger idx,HSQMEMBERHANDLE *handle) -{ - SQObjectPtr *o = NULL; - _GETSAFE_OBJ(v, idx, OT_CLASS,o); - SQObjectPtr &key = stack_get(v,-1); - SQTable *m = _class(*o)->_members; - SQObjectPtr val; - if(m->Get(key,val)) { - handle->_static = _isfield(val) ? SQFalse : SQTrue; - handle->_index = _member_idx(val); - v->Pop(); - return SQ_OK; - } - return sq_throwerror(v,_SC("wrong index")); -} - -SQRESULT _getmemberbyhandle(HSQUIRRELVM v,SQObjectPtr &self,HSQMEMBERHANDLE *handle,SQObjectPtr *&val) -{ - switch(type(self)) { - case OT_INSTANCE: { - SQInstance *i = _instance(self); - if(handle->_static) { - SQClass *c = i->_class; - val = &c->_methods[handle->_index].val; - } - else { - val = &i->_values[handle->_index]; - - } - } - break; - case OT_CLASS: { - SQClass *c = _class(self); - if(handle->_static) { - val = &c->_methods[handle->_index].val; - } - else { - val = &c->_defaultvalues[handle->_index].val; - } - } - break; - default: - return sq_throwerror(v,_SC("wrong type(expected class or instance)")); - } - return SQ_OK; -} - -SQRESULT sq_getbyhandle(HSQUIRRELVM v,SQInteger idx,HSQMEMBERHANDLE *handle) -{ - SQObjectPtr &self = stack_get(v,idx); - SQObjectPtr *val = NULL; - if(SQ_FAILED(_getmemberbyhandle(v,self,handle,val))) { - return SQ_ERROR; - } - v->Push(_realval(*val)); - return SQ_OK; -} - -SQRESULT sq_setbyhandle(HSQUIRRELVM v,SQInteger idx,HSQMEMBERHANDLE *handle) -{ - SQObjectPtr &self = stack_get(v,idx); - SQObjectPtr &newval = stack_get(v,-1); - SQObjectPtr *val = NULL; - if(SQ_FAILED(_getmemberbyhandle(v,self,handle,val))) { - return SQ_ERROR; - } - *val = newval; - v->Pop(); - return SQ_OK; -} - -SQRESULT sq_getbase(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr *o = NULL; - _GETSAFE_OBJ(v, idx, OT_CLASS,o); - if(_class(*o)->_base) - v->Push(SQObjectPtr(_class(*o)->_base)); - else - v->PushNull(); - return SQ_OK; -} - -SQRESULT sq_getclass(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr *o = NULL; - _GETSAFE_OBJ(v, idx, OT_INSTANCE,o); - v->Push(SQObjectPtr(_instance(*o)->_class)); - return SQ_OK; -} - -SQRESULT sq_createinstance(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr *o = NULL; - _GETSAFE_OBJ(v, idx, OT_CLASS,o); - v->Push(_class(*o)->CreateInstance()); - return SQ_OK; -} - -void sq_weakref(HSQUIRRELVM v,SQInteger idx) -{ - SQObject &o=stack_get(v,idx); - if(ISREFCOUNTED(type(o))) { - v->Push(_refcounted(o)->GetWeakRef(type(o))); - return; - } - v->Push(o); -} - -SQRESULT sq_getweakrefval(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr &o = stack_get(v,idx); - if(type(o) != OT_WEAKREF) { - return sq_throwerror(v,_SC("the object must be a weakref")); - } - v->Push(_weakref(o)->_obj); - return SQ_OK; -} - -SQRESULT sq_getdefaultdelegate(HSQUIRRELVM v,SQObjectType t) -{ - SQSharedState *ss = _ss(v); - switch(t) { - case OT_TABLE: v->Push(ss->_table_default_delegate); break; - case OT_ARRAY: v->Push(ss->_array_default_delegate); break; - case OT_STRING: v->Push(ss->_string_default_delegate); break; - case OT_INTEGER: case OT_FLOAT: v->Push(ss->_number_default_delegate); break; - case OT_GENERATOR: v->Push(ss->_generator_default_delegate); break; - case OT_CLOSURE: case OT_NATIVECLOSURE: v->Push(ss->_closure_default_delegate); break; - case OT_THREAD: v->Push(ss->_thread_default_delegate); break; - case OT_CLASS: v->Push(ss->_class_default_delegate); break; - case OT_INSTANCE: v->Push(ss->_instance_default_delegate); break; - case OT_WEAKREF: v->Push(ss->_weakref_default_delegate); break; - default: return sq_throwerror(v,_SC("the type doesn't have a default delegate")); - } - return SQ_OK; -} - -SQRESULT sq_next(HSQUIRRELVM v,SQInteger idx) -{ - SQObjectPtr o=stack_get(v,idx),&refpos = stack_get(v,-1),realkey,val; - if(type(o) == OT_GENERATOR) { - return sq_throwerror(v,_SC("cannot iterate a generator")); - } - int faketojump; - if(!v->FOREACH_OP(o,realkey,val,refpos,0,666,faketojump)) - return SQ_ERROR; - if(faketojump != 666) { - v->Push(realkey); - v->Push(val); - return SQ_OK; - } - return SQ_ERROR; -} - -struct BufState{ - const SQChar *buf; - SQInteger ptr; - SQInteger size; -}; - -SQInteger buf_lexfeed(SQUserPointer file) -{ - BufState *buf=(BufState*)file; - if(buf->size<(buf->ptr+1)) - return 0; - return buf->buf[buf->ptr++]; -} - -SQRESULT sq_compilebuffer(HSQUIRRELVM v,const SQChar *s,SQInteger size,const SQChar *sourcename,SQBool raiseerror) { - BufState buf; - buf.buf = s; - buf.size = size; - buf.ptr = 0; - return sq_compile(v, buf_lexfeed, &buf, sourcename, raiseerror); -} - -void sq_move(HSQUIRRELVM dest,HSQUIRRELVM src,SQInteger idx) -{ - dest->Push(stack_get(src,idx)); -} - -void sq_setprintfunc(HSQUIRRELVM v, SQPRINTFUNCTION printfunc,SQPRINTFUNCTION errfunc) -{ - _ss(v)->_printfunc = printfunc; - _ss(v)->_errorfunc = errfunc; -} - -SQPRINTFUNCTION sq_getprintfunc(HSQUIRRELVM v) -{ - return _ss(v)->_printfunc; -} - -SQPRINTFUNCTION sq_geterrorfunc(HSQUIRRELVM v) -{ - return _ss(v)->_errorfunc; -} - -void *sq_malloc(SQUnsignedInteger size) -{ - return SQ_MALLOC(size); -} - -void *sq_realloc(void* p,SQUnsignedInteger oldsize,SQUnsignedInteger newsize) -{ - return SQ_REALLOC(p,oldsize,newsize); -} - -void sq_free(void *p,SQUnsignedInteger size) -{ - SQ_FREE(p,size); -} diff --git a/squirrel_3_0_1_stable/squirrel/sqarray.h b/squirrel_3_0_1_stable/squirrel/sqarray.h deleted file mode 100644 index e9b746657..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqarray.h +++ /dev/null @@ -1,94 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQARRAY_H_ -#define _SQARRAY_H_ - -struct SQArray : public CHAINABLE_OBJ -{ -private: - SQArray(SQSharedState *ss,SQInteger nsize){_values.resize(nsize); INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this);} - ~SQArray() - { - REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this); - } -public: - static SQArray* Create(SQSharedState *ss,SQInteger nInitialSize){ - SQArray *newarray=(SQArray*)SQ_MALLOC(sizeof(SQArray)); - new (newarray) SQArray(ss,nInitialSize); - return newarray; - } -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable **chain); - SQObjectType GetType() {return OT_ARRAY;} -#endif - void Finalize(){ - _values.resize(0); - } - bool Get(const SQInteger nidx,SQObjectPtr &val) - { - if(nidx>=0 && nidx<(SQInteger)_values.size()){ - SQObjectPtr &o = _values[nidx]; - val = _realval(o); - return true; - } - else return false; - } - bool Set(const SQInteger nidx,const SQObjectPtr &val) - { - if(nidx>=0 && nidx<(SQInteger)_values.size()){ - _values[nidx]=val; - return true; - } - else return false; - } - SQInteger Next(const SQObjectPtr &refpos,SQObjectPtr &outkey,SQObjectPtr &outval) - { - SQUnsignedInteger idx=TranslateIndex(refpos); - while(idx<_values.size()){ - //first found - outkey=(SQInteger)idx; - SQObjectPtr &o = _values[idx]; - outval = _realval(o); - //return idx for the next iteration - return ++idx; - } - //nothing to iterate anymore - return -1; - } - SQArray *Clone(){SQArray *anew=Create(_opt_ss(this),0); anew->_values.copy(_values); return anew; } - SQInteger Size() const {return _values.size();} - void Resize(SQInteger size) - { - SQObjectPtr _null; - Resize(size,_null); - } - void Resize(SQInteger size,SQObjectPtr &fill) { _values.resize(size,fill); ShrinkIfNeeded(); } - void Reserve(SQInteger size) { _values.reserve(size); } - void Append(const SQObject &o){_values.push_back(o);} - void Extend(const SQArray *a); - SQObjectPtr &Top(){return _values.top();} - void Pop(){_values.pop_back(); ShrinkIfNeeded(); } - bool Insert(SQInteger idx,const SQObject &val){ - if(idx < 0 || idx > (SQInteger)_values.size()) - return false; - _values.insert(idx,val); - return true; - } - void ShrinkIfNeeded() { - if(_values.size() <= _values.capacity()>>2) //shrink the array - _values.shrinktofit(); - } - bool Remove(SQInteger idx){ - if(idx < 0 || idx >= (SQInteger)_values.size()) - return false; - _values.remove(idx); - ShrinkIfNeeded(); - return true; - } - void Release() - { - sq_delete(this,SQArray); - } - - SQObjectPtrVec _values; -}; -#endif //_SQARRAY_H_ diff --git a/squirrel_3_0_1_stable/squirrel/sqbaselib.cpp b/squirrel_3_0_1_stable/squirrel/sqbaselib.cpp deleted file mode 100644 index c11c4d9bd..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqbaselib.cpp +++ /dev/null @@ -1,1110 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#include "sqvm.h" -#include "sqstring.h" -#include "sqtable.h" -#include "sqarray.h" -#include "sqfuncproto.h" -#include "sqclosure.h" -#include "sqclass.h" -#include <stdlib.h> -#include <stdarg.h> -#include <ctype.h> - -bool str2num(const SQChar *s,SQObjectPtr &res) -{ - SQChar *end; - if(scstrstr(s,_SC("."))){ - SQFloat r = SQFloat(scstrtod(s,&end)); - if(s == end) return false; - res = r; - return true; - } - else{ - SQInteger r = SQInteger(scstrtol(s,&end,10)); - if(s == end) return false; - res = r; - return true; - } -} - -static SQInteger base_dummy(HSQUIRRELVM v) -{ - return 0; -} - -#ifndef NO_GARBAGE_COLLECTOR -static SQInteger base_collectgarbage(HSQUIRRELVM v) -{ - sq_pushinteger(v, sq_collectgarbage(v)); - return 1; -} -static SQInteger base_resurectureachable(HSQUIRRELVM v) -{ - sq_resurrectunreachable(v); - return 1; -} -#endif - -static SQInteger base_getroottable(HSQUIRRELVM v) -{ - v->Push(v->_roottable); - return 1; -} - -static SQInteger base_getconsttable(HSQUIRRELVM v) -{ - v->Push(_ss(v)->_consts); - return 1; -} - - -static SQInteger base_setroottable(HSQUIRRELVM v) -{ - SQObjectPtr o = v->_roottable; - if(SQ_FAILED(sq_setroottable(v))) return SQ_ERROR; - v->Push(o); - return 1; -} - -static SQInteger base_setconsttable(HSQUIRRELVM v) -{ - SQObjectPtr o = _ss(v)->_consts; - if(SQ_FAILED(sq_setconsttable(v))) return SQ_ERROR; - v->Push(o); - return 1; -} - -static SQInteger base_seterrorhandler(HSQUIRRELVM v) -{ - sq_seterrorhandler(v); - return 0; -} - -static SQInteger base_setdebughook(HSQUIRRELVM v) -{ - sq_setdebughook(v); - return 0; -} - -static SQInteger base_enabledebuginfo(HSQUIRRELVM v) -{ - SQObjectPtr &o=stack_get(v,2); - - sq_enabledebuginfo(v,SQVM::IsFalse(o)?SQFalse:SQTrue); - return 0; -} - -static SQInteger __getcallstackinfos(HSQUIRRELVM v,SQInteger level) -{ - SQStackInfos si; - SQInteger seq = 0; - const SQChar *name = NULL; - - if (SQ_SUCCEEDED(sq_stackinfos(v, level, &si))) - { - const SQChar *fn = _SC("unknown"); - const SQChar *src = _SC("unknown"); - if(si.funcname)fn = si.funcname; - if(si.source)src = si.source; - sq_newtable(v); - sq_pushstring(v, _SC("func"), -1); - sq_pushstring(v, fn, -1); - sq_newslot(v, -3, SQFalse); - sq_pushstring(v, _SC("src"), -1); - sq_pushstring(v, src, -1); - sq_newslot(v, -3, SQFalse); - sq_pushstring(v, _SC("line"), -1); - sq_pushinteger(v, si.line); - sq_newslot(v, -3, SQFalse); - sq_pushstring(v, _SC("locals"), -1); - sq_newtable(v); - seq=0; - while ((name = sq_getlocal(v, level, seq))) { - sq_pushstring(v, name, -1); - sq_push(v, -2); - sq_newslot(v, -4, SQFalse); - sq_pop(v, 1); - seq++; - } - sq_newslot(v, -3, SQFalse); - return 1; - } - - return 0; -} -static SQInteger base_getstackinfos(HSQUIRRELVM v) -{ - SQInteger level; - sq_getinteger(v, -1, &level); - return __getcallstackinfos(v,level); -} - -static SQInteger base_assert(HSQUIRRELVM v) -{ - if(SQVM::IsFalse(stack_get(v,2))){ - return sq_throwerror(v,_SC("assertion failed")); - } - return 0; -} - -static SQInteger get_slice_params(HSQUIRRELVM v,SQInteger &sidx,SQInteger &eidx,SQObjectPtr &o) -{ - SQInteger top = sq_gettop(v); - sidx=0; - eidx=0; - o=stack_get(v,1); - SQObjectPtr &start=stack_get(v,2); - if(type(start)!=OT_NULL && sq_isnumeric(start)){ - sidx=tointeger(start); - } - if(top>2){ - SQObjectPtr &end=stack_get(v,3); - if(sq_isnumeric(end)){ - eidx=tointeger(end); - } - } - else { - eidx = sq_getsize(v,1); - } - return 1; -} - -static SQInteger base_print(HSQUIRRELVM v) -{ - const SQChar *str; - sq_tostring(v,2); - sq_getstring(v,-1,&str); - if(_ss(v)->_printfunc) _ss(v)->_printfunc(v,_SC("%s"),str); - return 0; -} - -static SQInteger base_error(HSQUIRRELVM v) -{ - const SQChar *str; - sq_tostring(v,2); - sq_getstring(v,-1,&str); - if(_ss(v)->_errorfunc) _ss(v)->_errorfunc(v,_SC("%s"),str); - return 0; -} - -static SQInteger base_compilestring(HSQUIRRELVM v) -{ - SQInteger nargs=sq_gettop(v); - const SQChar *src=NULL,*name=_SC("unnamedbuffer"); - SQInteger size; - sq_getstring(v,2,&src); - size=sq_getsize(v,2); - if(nargs>2){ - sq_getstring(v,3,&name); - } - if(SQ_SUCCEEDED(sq_compilebuffer(v,src,size,name,SQFalse))) - return 1; - else - return SQ_ERROR; -} - -static SQInteger base_newthread(HSQUIRRELVM v) -{ - SQObjectPtr &func = stack_get(v,2); - SQInteger stksize = (_closure(func)->_function->_stacksize << 1) +2; - HSQUIRRELVM newv = sq_newthread(v, (stksize < MIN_STACK_OVERHEAD + 2)? MIN_STACK_OVERHEAD + 2 : stksize); - sq_move(newv,v,-2); - return 1; -} - -static SQInteger base_suspend(HSQUIRRELVM v) -{ - return sq_suspendvm(v); -} - -static SQInteger base_array(HSQUIRRELVM v) -{ - SQArray *a; - SQObject &size = stack_get(v,2); - if(sq_gettop(v) > 2) { - a = SQArray::Create(_ss(v),0); - a->Resize(tointeger(size),stack_get(v,3)); - } - else { - a = SQArray::Create(_ss(v),tointeger(size)); - } - v->Push(a); - return 1; -} - -static SQInteger base_type(HSQUIRRELVM v) -{ - SQObjectPtr &o = stack_get(v,2); - v->Push(SQString::Create(_ss(v),GetTypeName(o),-1)); - return 1; -} - -static SQInteger base_callee(HSQUIRRELVM v) -{ - if(v->_callsstacksize > 1) - { - v->Push(v->_callsstack[v->_callsstacksize - 2]._closure); - return 1; - } - return sq_throwerror(v,_SC("no closure in the calls stack")); -} - -static SQRegFunction base_funcs[]={ - //generic - {_SC("seterrorhandler"),base_seterrorhandler,2, NULL}, - {_SC("setdebughook"),base_setdebughook,2, NULL}, - {_SC("enabledebuginfo"),base_enabledebuginfo,2, NULL}, - {_SC("getstackinfos"),base_getstackinfos,2, _SC(".n")}, - {_SC("getroottable"),base_getroottable,1, NULL}, - {_SC("setroottable"),base_setroottable,2, NULL}, - {_SC("getconsttable"),base_getconsttable,1, NULL}, - {_SC("setconsttable"),base_setconsttable,2, NULL}, - {_SC("assert"),base_assert,2, NULL}, - {_SC("print"),base_print,2, NULL}, - {_SC("error"),base_error,2, NULL}, - {_SC("compilestring"),base_compilestring,-2, _SC(".ss")}, - {_SC("newthread"),base_newthread,2, _SC(".c")}, - {_SC("suspend"),base_suspend,-1, NULL}, - {_SC("array"),base_array,-2, _SC(".n")}, - {_SC("type"),base_type,2, NULL}, - {_SC("callee"),base_callee,0,NULL}, - {_SC("dummy"),base_dummy,0,NULL}, -#ifndef NO_GARBAGE_COLLECTOR - {_SC("collectgarbage"),base_collectgarbage,0, NULL}, - {_SC("resurrectunreachable"),base_resurectureachable,0, NULL}, -#endif - {0,0} -}; - -void sq_base_register(HSQUIRRELVM v) -{ - SQInteger i=0; - sq_pushroottable(v); - while(base_funcs[i].name!=0) { - sq_pushstring(v,base_funcs[i].name,-1); - sq_newclosure(v,base_funcs[i].f,0); - sq_setnativeclosurename(v,-1,base_funcs[i].name); - sq_setparamscheck(v,base_funcs[i].nparamscheck,base_funcs[i].typemask); - sq_newslot(v,-3, SQFalse); - i++; - } - - sq_pushstring(v,_SC("_versionnumber_"),-1); - sq_pushinteger(v,SQUIRREL_VERSION_NUMBER); - sq_newslot(v,-3, SQFalse); - sq_pushstring(v,_SC("_version_"),-1); - sq_pushstring(v,SQUIRREL_VERSION,-1); - sq_newslot(v,-3, SQFalse); - sq_pushstring(v,_SC("_charsize_"),-1); - sq_pushinteger(v,sizeof(SQChar)); - sq_newslot(v,-3, SQFalse); - sq_pushstring(v,_SC("_intsize_"),-1); - sq_pushinteger(v,sizeof(SQInteger)); - sq_newslot(v,-3, SQFalse); - sq_pushstring(v,_SC("_floatsize_"),-1); - sq_pushinteger(v,sizeof(SQFloat)); - sq_newslot(v,-3, SQFalse); - sq_pop(v,1); -} - -static SQInteger default_delegate_len(HSQUIRRELVM v) -{ - v->Push(SQInteger(sq_getsize(v,1))); - return 1; -} - -static SQInteger default_delegate_tofloat(HSQUIRRELVM v) -{ - SQObjectPtr &o=stack_get(v,1); - switch(type(o)){ - case OT_STRING:{ - SQObjectPtr res; - if(str2num(_stringval(o),res)){ - v->Push(SQObjectPtr(tofloat(res))); - break; - }} - return sq_throwerror(v, _SC("cannot convert the string")); - break; - case OT_INTEGER:case OT_FLOAT: - v->Push(SQObjectPtr(tofloat(o))); - break; - case OT_BOOL: - v->Push(SQObjectPtr((SQFloat)(_integer(o)?1:0))); - break; - default: - v->PushNull(); - break; - } - return 1; -} - -static SQInteger default_delegate_tointeger(HSQUIRRELVM v) -{ - SQObjectPtr &o=stack_get(v,1); - switch(type(o)){ - case OT_STRING:{ - SQObjectPtr res; - if(str2num(_stringval(o),res)){ - v->Push(SQObjectPtr(tointeger(res))); - break; - }} - return sq_throwerror(v, _SC("cannot convert the string")); - break; - case OT_INTEGER:case OT_FLOAT: - v->Push(SQObjectPtr(tointeger(o))); - break; - case OT_BOOL: - v->Push(SQObjectPtr(_integer(o)?(SQInteger)1:(SQInteger)0)); - break; - default: - v->PushNull(); - break; - } - return 1; -} - -static SQInteger default_delegate_tostring(HSQUIRRELVM v) -{ - sq_tostring(v,1); - return 1; -} - -static SQInteger obj_delegate_weakref(HSQUIRRELVM v) -{ - sq_weakref(v,1); - return 1; -} - -static SQInteger obj_clear(HSQUIRRELVM v) -{ - return sq_clear(v,-1); -} - - -static SQInteger number_delegate_tochar(HSQUIRRELVM v) -{ - SQObject &o=stack_get(v,1); - SQChar c = (SQChar)tointeger(o); - v->Push(SQString::Create(_ss(v),(const SQChar *)&c,1)); - return 1; -} - - - -///////////////////////////////////////////////////////////////// -//TABLE DEFAULT DELEGATE - -static SQInteger table_rawdelete(HSQUIRRELVM v) -{ - if(SQ_FAILED(sq_rawdeleteslot(v,1,SQTrue))) - return SQ_ERROR; - return 1; -} - - -static SQInteger container_rawexists(HSQUIRRELVM v) -{ - if(SQ_SUCCEEDED(sq_rawget(v,-2))) { - sq_pushbool(v,SQTrue); - return 1; - } - sq_pushbool(v,SQFalse); - return 1; -} - -static SQInteger container_rawset(HSQUIRRELVM v) -{ - return sq_rawset(v,-3); -} - - -static SQInteger container_rawget(HSQUIRRELVM v) -{ - return SQ_SUCCEEDED(sq_rawget(v,-2))?1:SQ_ERROR; -} - -static SQInteger table_setdelegate(HSQUIRRELVM v) -{ - if(SQ_FAILED(sq_setdelegate(v,-2))) - return SQ_ERROR; - sq_push(v,-1); // -1 because sq_setdelegate pops 1 - return 1; -} - -static SQInteger table_getdelegate(HSQUIRRELVM v) -{ - return SQ_SUCCEEDED(sq_getdelegate(v,-1))?1:SQ_ERROR; -} - -SQRegFunction SQSharedState::_table_default_delegate_funcz[]={ - {_SC("len"),default_delegate_len,1, _SC("t")}, - {_SC("rawget"),container_rawget,2, _SC("t")}, - {_SC("rawset"),container_rawset,3, _SC("t")}, - {_SC("rawdelete"),table_rawdelete,2, _SC("t")}, - {_SC("rawin"),container_rawexists,2, _SC("t")}, - {_SC("weakref"),obj_delegate_weakref,1, NULL }, - {_SC("tostring"),default_delegate_tostring,1, _SC(".")}, - {_SC("clear"),obj_clear,1, _SC(".")}, - {_SC("setdelegate"),table_setdelegate,2, _SC(".t|o")}, - {_SC("getdelegate"),table_getdelegate,1, _SC(".")}, - {0,0} -}; - -//ARRAY DEFAULT DELEGATE/////////////////////////////////////// - -static SQInteger array_append(HSQUIRRELVM v) -{ - return sq_arrayappend(v,-2); -} - -static SQInteger array_extend(HSQUIRRELVM v) -{ - _array(stack_get(v,1))->Extend(_array(stack_get(v,2))); - return 0; -} - -static SQInteger array_reverse(HSQUIRRELVM v) -{ - return sq_arrayreverse(v,-1); -} - -static SQInteger array_pop(HSQUIRRELVM v) -{ - return SQ_SUCCEEDED(sq_arraypop(v,1,SQTrue))?1:SQ_ERROR; -} - -static SQInteger array_top(HSQUIRRELVM v) -{ - SQObject &o=stack_get(v,1); - if(_array(o)->Size()>0){ - v->Push(_array(o)->Top()); - return 1; - } - else return sq_throwerror(v,_SC("top() on a empty array")); -} - -static SQInteger array_insert(HSQUIRRELVM v) -{ - SQObject &o=stack_get(v,1); - SQObject &idx=stack_get(v,2); - SQObject &val=stack_get(v,3); - if(!_array(o)->Insert(tointeger(idx),val)) - return sq_throwerror(v,_SC("index out of range")); - return 0; -} - -static SQInteger array_remove(HSQUIRRELVM v) -{ - SQObject &o = stack_get(v, 1); - SQObject &idx = stack_get(v, 2); - if(!sq_isnumeric(idx)) return sq_throwerror(v, _SC("wrong type")); - SQObjectPtr val; - if(_array(o)->Get(tointeger(idx), val)) { - _array(o)->Remove(tointeger(idx)); - v->Push(val); - return 1; - } - return sq_throwerror(v, _SC("idx out of range")); -} - -static SQInteger array_resize(HSQUIRRELVM v) -{ - SQObject &o = stack_get(v, 1); - SQObject &nsize = stack_get(v, 2); - SQObjectPtr fill; - if(sq_isnumeric(nsize)) { - if(sq_gettop(v) > 2) - fill = stack_get(v, 3); - _array(o)->Resize(tointeger(nsize),fill); - return 0; - } - return sq_throwerror(v, _SC("size must be a number")); -} - -static SQInteger __map_array(SQArray *dest,SQArray *src,HSQUIRRELVM v) { - SQObjectPtr temp; - SQInteger size = src->Size(); - for(SQInteger n = 0; n < size; n++) { - src->Get(n,temp); - v->Push(src); - v->Push(temp); - if(SQ_FAILED(sq_call(v,2,SQTrue,SQFalse))) { - return SQ_ERROR; - } - dest->Set(n,v->GetUp(-1)); - v->Pop(); - } - return 0; -} - -static SQInteger array_map(HSQUIRRELVM v) -{ - SQObject &o = stack_get(v,1); - SQInteger size = _array(o)->Size(); - SQObjectPtr ret = SQArray::Create(_ss(v),size); - if(SQ_FAILED(__map_array(_array(ret),_array(o),v))) - return SQ_ERROR; - v->Push(ret); - return 1; -} - -static SQInteger array_apply(HSQUIRRELVM v) -{ - SQObject &o = stack_get(v,1); - if(SQ_FAILED(__map_array(_array(o),_array(o),v))) - return SQ_ERROR; - return 0; -} - -static SQInteger array_reduce(HSQUIRRELVM v) -{ - SQObject &o = stack_get(v,1); - SQArray *a = _array(o); - SQInteger size = a->Size(); - if(size == 0) { - return 0; - } - SQObjectPtr res; - a->Get(0,res); - if(size > 1) { - SQObjectPtr other; - for(SQInteger n = 1; n < size; n++) { - a->Get(n,other); - v->Push(o); - v->Push(res); - v->Push(other); - if(SQ_FAILED(sq_call(v,3,SQTrue,SQFalse))) { - return SQ_ERROR; - } - res = v->GetUp(-1); - v->Pop(); - } - } - v->Push(res); - return 1; -} - -static SQInteger array_filter(HSQUIRRELVM v) -{ - SQObject &o = stack_get(v,1); - SQArray *a = _array(o); - SQObjectPtr ret = SQArray::Create(_ss(v),0); - SQInteger size = a->Size(); - SQObjectPtr val; - for(SQInteger n = 0; n < size; n++) { - a->Get(n,val); - v->Push(o); - v->Push(n); - v->Push(val); - if(SQ_FAILED(sq_call(v,3,SQTrue,SQFalse))) { - return SQ_ERROR; - } - if(!SQVM::IsFalse(v->GetUp(-1))) { - _array(ret)->Append(val); - } - v->Pop(); - } - v->Push(ret); - return 1; -} - -static SQInteger array_find(HSQUIRRELVM v) -{ - SQObject &o = stack_get(v,1); - SQObjectPtr &val = stack_get(v,2); - SQArray *a = _array(o); - SQInteger size = a->Size(); - SQObjectPtr temp; - for(SQInteger n = 0; n < size; n++) { - bool res = false; - a->Get(n,temp); - if(SQVM::IsEqual(temp,val,res) && res) { - v->Push(n); - return 1; - } - } - return 0; -} - -//QSORT ala Sedgewick -bool _qsort_compare(HSQUIRRELVM v,SQObjectPtr &arr,SQObjectPtr &a,SQObjectPtr &b,SQInteger func,SQInteger &ret) -{ - if(func < 0) { - if(!v->ObjCmp(a,b,ret)) return false; - } - else { - SQInteger top = sq_gettop(v); - sq_push(v, func); - sq_pushroottable(v); - v->Push(a); - v->Push(b); - if(SQ_FAILED(sq_call(v, 3, SQTrue, SQFalse))) { - if(!sq_isstring( v->_lasterror)) - v->Raise_Error(_SC("compare func failed")); - return false; - } - sq_getinteger(v, -1, &ret); - sq_settop(v, top); - return true; - } - return true; -} -//QSORT ala Sedgewick -bool _qsort(HSQUIRRELVM v,SQObjectPtr &arr, SQInteger l, SQInteger r,SQInteger func) -{ - SQInteger i, j; - SQArray *a=_array(arr); - SQObjectPtr pivot,t; - if( l < r ){ - pivot = a->_values[l]; - i = l; j = r+1; - while(1){ - SQInteger ret; - do { - ++i; - if(i > r) break; - if(!_qsort_compare(v,arr,a->_values[i],pivot,func,ret)) - return false; - } while( ret <= 0); - do { - --j; - if ( j < 0 ) { - v->Raise_Error( _SC("Invalid qsort, probably compare function defect") ); - return false; - } - if(!_qsort_compare(v,arr,a->_values[j],pivot,func,ret)) - return false; - } - while( ret > 0 ); - if( i >= j ) break; - t = a->_values[i]; a->_values[i] = a->_values[j]; a->_values[j] = t; - } - t = a->_values[l]; a->_values[l] = a->_values[j]; a->_values[j] = t; - if(!_qsort( v, arr, l, j-1,func)) return false; - if(!_qsort( v, arr, j+1, r,func)) return false; - } - return true; -} - -static SQInteger array_sort(HSQUIRRELVM v) -{ - SQInteger func = -1; - SQObjectPtr &o = stack_get(v,1); - //SQObject &funcobj = stack_get(v,2); - if(_array(o)->Size() > 1) { - if(sq_gettop(v) == 2 /*&& type(funcobj) == OT_CLOSURE || type(funcobj) == OT_NATIVECLOSURE*/) func = 2; - if(!_qsort(v, o, 0, _array(o)->Size()-1, func)) - return SQ_ERROR; - - } - return 0; -} -static SQInteger array_slice(HSQUIRRELVM v) -{ - SQInteger sidx,eidx; - SQObjectPtr o; - if(get_slice_params(v,sidx,eidx,o)==-1)return -1; - SQInteger alen = _array(o)->Size(); - if(sidx < 0)sidx = alen + sidx; - if(eidx < 0)eidx = alen + eidx; - if(eidx < sidx)return sq_throwerror(v,_SC("wrong indexes")); - if(eidx > alen)return sq_throwerror(v,_SC("slice out of range")); - SQArray *arr=SQArray::Create(_ss(v),eidx-sidx); - SQObjectPtr t; - SQInteger count=0; - for(SQInteger i=sidx;i<eidx;i++){ - _array(o)->Get(i,t); - arr->Set(count++,t); - } - v->Push(arr); - return 1; - -} - -SQRegFunction SQSharedState::_array_default_delegate_funcz[]={ - {_SC("len"),default_delegate_len,1, _SC("a")}, - {_SC("append"),array_append,2, _SC("a")}, - {_SC("extend"),array_extend,2, _SC("aa")}, - {_SC("push"),array_append,2, _SC("a")}, - {_SC("pop"),array_pop,1, _SC("a")}, - {_SC("top"),array_top,1, _SC("a")}, - {_SC("insert"),array_insert,3, _SC("an")}, - {_SC("remove"),array_remove,2, _SC("an")}, - {_SC("resize"),array_resize,-2, _SC("an")}, - {_SC("reverse"),array_reverse,1, _SC("a")}, - {_SC("sort"),array_sort,-1, _SC("ac")}, - {_SC("slice"),array_slice,-1, _SC("ann")}, - {_SC("weakref"),obj_delegate_weakref,1, NULL }, - {_SC("tostring"),default_delegate_tostring,1, _SC(".")}, - {_SC("clear"),obj_clear,1, _SC(".")}, - {_SC("map"),array_map,2, _SC("ac")}, - {_SC("apply"),array_apply,2, _SC("ac")}, - {_SC("reduce"),array_reduce,2, _SC("ac")}, - {_SC("filter"),array_filter,2, _SC("ac")}, - {_SC("find"),array_find,2, _SC("a.")}, - {0,0} -}; - -//STRING DEFAULT DELEGATE////////////////////////// -static SQInteger string_slice(HSQUIRRELVM v) -{ - SQInteger sidx,eidx; - SQObjectPtr o; - if(SQ_FAILED(get_slice_params(v,sidx,eidx,o)))return -1; - SQInteger slen = _string(o)->_len; - if(sidx < 0)sidx = slen + sidx; - if(eidx < 0)eidx = slen + eidx; - if(eidx < sidx) return sq_throwerror(v,_SC("wrong indexes")); - if(eidx > slen) return sq_throwerror(v,_SC("slice out of range")); - v->Push(SQString::Create(_ss(v),&_stringval(o)[sidx],eidx-sidx)); - return 1; -} - -static SQInteger string_find(HSQUIRRELVM v) -{ - SQInteger top,start_idx=0; - const SQChar *str,*substr,*ret; - if(((top=sq_gettop(v))>1) && SQ_SUCCEEDED(sq_getstring(v,1,&str)) && SQ_SUCCEEDED(sq_getstring(v,2,&substr))){ - if(top>2)sq_getinteger(v,3,&start_idx); - if((sq_getsize(v,1)>start_idx) && (start_idx>=0)){ - ret=scstrstr(&str[start_idx],substr); - if(ret){ - sq_pushinteger(v,(SQInteger)(ret-str)); - return 1; - } - } - return 0; - } - return sq_throwerror(v,_SC("invalid param")); -} - -#define STRING_TOFUNCZ(func) static SQInteger string_##func(HSQUIRRELVM v) \ -{ \ - SQObject str=stack_get(v,1); \ - SQInteger len=_string(str)->_len; \ - const SQChar *sThis=_stringval(str); \ - SQChar *sNew=(_ss(v)->GetScratchPad(rsl(len))); \ - for(SQInteger i=0;i<len;i++) sNew[i]=func(sThis[i]); \ - v->Push(SQString::Create(_ss(v),sNew,len)); \ - return 1; \ -} - - -STRING_TOFUNCZ(tolower) -STRING_TOFUNCZ(toupper) - -SQRegFunction SQSharedState::_string_default_delegate_funcz[]={ - {_SC("len"),default_delegate_len,1, _SC("s")}, - {_SC("tointeger"),default_delegate_tointeger,1, _SC("s")}, - {_SC("tofloat"),default_delegate_tofloat,1, _SC("s")}, - {_SC("tostring"),default_delegate_tostring,1, _SC(".")}, - {_SC("slice"),string_slice,-1, _SC(" s n n")}, - {_SC("find"),string_find,-2, _SC("s s n ")}, - {_SC("tolower"),string_tolower,1, _SC("s")}, - {_SC("toupper"),string_toupper,1, _SC("s")}, - {_SC("weakref"),obj_delegate_weakref,1, NULL }, - {0,0} -}; - -//INTEGER DEFAULT DELEGATE////////////////////////// -SQRegFunction SQSharedState::_number_default_delegate_funcz[]={ - {_SC("tointeger"),default_delegate_tointeger,1, _SC("n|b")}, - {_SC("tofloat"),default_delegate_tofloat,1, _SC("n|b")}, - {_SC("tostring"),default_delegate_tostring,1, _SC(".")}, - {_SC("tochar"),number_delegate_tochar,1, _SC("n|b")}, - {_SC("weakref"),obj_delegate_weakref,1, NULL }, - {0,0} -}; - -//CLOSURE DEFAULT DELEGATE////////////////////////// -static SQInteger closure_pcall(HSQUIRRELVM v) -{ - return SQ_SUCCEEDED(sq_call(v,sq_gettop(v)-1,SQTrue,SQFalse))?1:SQ_ERROR; -} - -static SQInteger closure_call(HSQUIRRELVM v) -{ - return SQ_SUCCEEDED(sq_call(v,sq_gettop(v)-1,SQTrue,SQTrue))?1:SQ_ERROR; -} - -static SQInteger _closure_acall(HSQUIRRELVM v,SQBool raiseerror) -{ - SQArray *aparams=_array(stack_get(v,2)); - SQInteger nparams=aparams->Size(); - v->Push(stack_get(v,1)); - for(SQInteger i=0;i<nparams;i++)v->Push(aparams->_values[i]); - return SQ_SUCCEEDED(sq_call(v,nparams,SQTrue,raiseerror))?1:SQ_ERROR; -} - -static SQInteger closure_acall(HSQUIRRELVM v) -{ - return _closure_acall(v,SQTrue); -} - -static SQInteger closure_pacall(HSQUIRRELVM v) -{ - return _closure_acall(v,SQFalse); -} - -static SQInteger closure_bindenv(HSQUIRRELVM v) -{ - if(SQ_FAILED(sq_bindenv(v,1))) - return SQ_ERROR; - return 1; -} - -static SQInteger closure_getinfos(HSQUIRRELVM v) { - SQObject o = stack_get(v,1); - SQTable *res = SQTable::Create(_ss(v),4); - if(type(o) == OT_CLOSURE) { - SQFunctionProto *f = _closure(o)->_function; - SQInteger nparams = f->_nparameters + (f->_varparams?1:0); - SQObjectPtr params = SQArray::Create(_ss(v),nparams); - for(SQInteger n = 0; n<f->_nparameters; n++) { - _array(params)->Set((SQInteger)n,f->_parameters[n]); - } - if(f->_varparams) { - _array(params)->Set(nparams-1,SQString::Create(_ss(v),_SC("..."),-1)); - } - res->NewSlot(SQString::Create(_ss(v),_SC("native"),-1),false); - res->NewSlot(SQString::Create(_ss(v),_SC("name"),-1),f->_name); - res->NewSlot(SQString::Create(_ss(v),_SC("src"),-1),f->_sourcename); - res->NewSlot(SQString::Create(_ss(v),_SC("parameters"),-1),params); - res->NewSlot(SQString::Create(_ss(v),_SC("varargs"),-1),f->_varparams); - } - else { //OT_NATIVECLOSURE - SQNativeClosure *nc = _nativeclosure(o); - res->NewSlot(SQString::Create(_ss(v),_SC("native"),-1),true); - res->NewSlot(SQString::Create(_ss(v),_SC("name"),-1),nc->_name); - res->NewSlot(SQString::Create(_ss(v),_SC("paramscheck"),-1),nc->_nparamscheck); - SQObjectPtr typecheck; - if(nc->_typecheck.size() > 0) { - typecheck = - SQArray::Create(_ss(v), nc->_typecheck.size()); - for(SQUnsignedInteger n = 0; n<nc->_typecheck.size(); n++) { - _array(typecheck)->Set((SQInteger)n,nc->_typecheck[n]); - } - } - res->NewSlot(SQString::Create(_ss(v),_SC("typecheck"),-1),typecheck); - } - v->Push(res); - return 1; -} - - -SQRegFunction SQSharedState::_closure_default_delegate_funcz[]={ - {_SC("call"),closure_call,-1, _SC("c")}, - {_SC("pcall"),closure_pcall,-1, _SC("c")}, - {_SC("acall"),closure_acall,2, _SC("ca")}, - {_SC("pacall"),closure_pacall,2, _SC("ca")}, - {_SC("weakref"),obj_delegate_weakref,1, NULL }, - {_SC("tostring"),default_delegate_tostring,1, _SC(".")}, - {_SC("bindenv"),closure_bindenv,2, _SC("c x|y|t")}, - {_SC("getinfos"),closure_getinfos,1, _SC("c")}, - {0,0} -}; - -//GENERATOR DEFAULT DELEGATE -static SQInteger generator_getstatus(HSQUIRRELVM v) -{ - SQObject &o=stack_get(v,1); - switch(_generator(o)->_state){ - case SQGenerator::eSuspended:v->Push(SQString::Create(_ss(v),_SC("suspended")));break; - case SQGenerator::eRunning:v->Push(SQString::Create(_ss(v),_SC("running")));break; - case SQGenerator::eDead:v->Push(SQString::Create(_ss(v),_SC("dead")));break; - } - return 1; -} - -SQRegFunction SQSharedState::_generator_default_delegate_funcz[]={ - {_SC("getstatus"),generator_getstatus,1, _SC("g")}, - {_SC("weakref"),obj_delegate_weakref,1, NULL }, - {_SC("tostring"),default_delegate_tostring,1, _SC(".")}, - {0,0} -}; - -//THREAD DEFAULT DELEGATE -static SQInteger thread_call(HSQUIRRELVM v) -{ - SQObjectPtr o = stack_get(v,1); - if(type(o) == OT_THREAD) { - SQInteger nparams = sq_gettop(v); - _thread(o)->Push(_thread(o)->_roottable); - for(SQInteger i = 2; i<(nparams+1); i++) - sq_move(_thread(o),v,i); - if(SQ_SUCCEEDED(sq_call(_thread(o),nparams,SQTrue,SQFalse))) { - sq_move(v,_thread(o),-1); - sq_pop(_thread(o),1); - return 1; - } - v->_lasterror = _thread(o)->_lasterror; - return SQ_ERROR; - } - return sq_throwerror(v,_SC("wrong parameter")); -} - -static SQInteger thread_wakeup(HSQUIRRELVM v) -{ - SQObjectPtr o = stack_get(v,1); - if(type(o) == OT_THREAD) { - SQVM *thread = _thread(o); - SQInteger state = sq_getvmstate(thread); - if(state != SQ_VMSTATE_SUSPENDED) { - switch(state) { - case SQ_VMSTATE_IDLE: - return sq_throwerror(v,_SC("cannot wakeup a idle thread")); - break; - case SQ_VMSTATE_RUNNING: - return sq_throwerror(v,_SC("cannot wakeup a running thread")); - break; - } - } - - SQInteger wakeupret = sq_gettop(v)>1?1:0; - if(wakeupret) { - sq_move(thread,v,2); - } - if(SQ_SUCCEEDED(sq_wakeupvm(thread,wakeupret,SQTrue,SQTrue,SQFalse))) { - sq_move(v,thread,-1); - sq_pop(thread,1); //pop retval - if(sq_getvmstate(thread) == SQ_VMSTATE_IDLE) { - sq_settop(thread,1); //pop roottable - } - return 1; - } - sq_settop(thread,1); - v->_lasterror = thread->_lasterror; - return SQ_ERROR; - } - return sq_throwerror(v,_SC("wrong parameter")); -} - -static SQInteger thread_getstatus(HSQUIRRELVM v) -{ - SQObjectPtr &o = stack_get(v,1); - switch(sq_getvmstate(_thread(o))) { - case SQ_VMSTATE_IDLE: - sq_pushstring(v,_SC("idle"),-1); - break; - case SQ_VMSTATE_RUNNING: - sq_pushstring(v,_SC("running"),-1); - break; - case SQ_VMSTATE_SUSPENDED: - sq_pushstring(v,_SC("suspended"),-1); - break; - default: - return sq_throwerror(v,_SC("internal VM error")); - } - return 1; -} - -static SQInteger thread_getstackinfos(HSQUIRRELVM v) -{ - SQObjectPtr o = stack_get(v,1); - if(type(o) == OT_THREAD) { - SQVM *thread = _thread(o); - SQInteger threadtop = sq_gettop(thread); - SQInteger level; - sq_getinteger(v,-1,&level); - SQRESULT res = __getcallstackinfos(thread,level); - if(SQ_FAILED(res)) - { - sq_settop(thread,threadtop); - if(type(thread->_lasterror) == OT_STRING) { - sq_throwerror(v,_stringval(thread->_lasterror)); - } - else { - sq_throwerror(v,_SC("unknown error")); - } - } - if(res > 0) { - //some result - sq_move(v,thread,-1); - sq_settop(thread,threadtop); - return 1; - } - //no result - sq_settop(thread,threadtop); - return 0; - - } - return sq_throwerror(v,_SC("wrong parameter")); -} - -SQRegFunction SQSharedState::_thread_default_delegate_funcz[] = { - {_SC("call"), thread_call, -1, _SC("v")}, - {_SC("wakeup"), thread_wakeup, -1, _SC("v")}, - {_SC("getstatus"), thread_getstatus, 1, _SC("v")}, - {_SC("weakref"),obj_delegate_weakref,1, NULL }, - {_SC("getstackinfos"),thread_getstackinfos,2, _SC("vn")}, - {_SC("tostring"),default_delegate_tostring,1, _SC(".")}, - {0,0}, -}; - -static SQInteger class_getattributes(HSQUIRRELVM v) -{ - return SQ_SUCCEEDED(sq_getattributes(v,-2))?1:SQ_ERROR; -} - -static SQInteger class_setattributes(HSQUIRRELVM v) -{ - return SQ_SUCCEEDED(sq_setattributes(v,-3))?1:SQ_ERROR; -} - -static SQInteger class_instance(HSQUIRRELVM v) -{ - return SQ_SUCCEEDED(sq_createinstance(v,-1))?1:SQ_ERROR; -} - -static SQInteger class_getbase(HSQUIRRELVM v) -{ - return SQ_SUCCEEDED(sq_getbase(v,-1))?1:SQ_ERROR; -} - -SQRegFunction SQSharedState::_class_default_delegate_funcz[] = { - {_SC("getattributes"), class_getattributes, 2, _SC("y.")}, - {_SC("setattributes"), class_setattributes, 3, _SC("y..")}, - {_SC("rawget"),container_rawget,2, _SC("y")}, - {_SC("rawset"),container_rawset,3, _SC("y")}, - {_SC("rawin"),container_rawexists,2, _SC("y")}, - {_SC("weakref"),obj_delegate_weakref,1, NULL }, - {_SC("tostring"),default_delegate_tostring,1, _SC(".")}, - {_SC("instance"),class_instance,1, _SC("y")}, - {_SC("getbase"),class_getbase,1, _SC("y")}, - {0,0} -}; - -static SQInteger instance_getclass(HSQUIRRELVM v) -{ - if(SQ_SUCCEEDED(sq_getclass(v,1))) - return 1; - return SQ_ERROR; -} - -SQRegFunction SQSharedState::_instance_default_delegate_funcz[] = { - {_SC("getclass"), instance_getclass, 1, _SC("x")}, - {_SC("rawget"),container_rawget,2, _SC("x")}, - {_SC("rawset"),container_rawset,3, _SC("x")}, - {_SC("rawin"),container_rawexists,2, _SC("x")}, - {_SC("weakref"),obj_delegate_weakref,1, NULL }, - {_SC("tostring"),default_delegate_tostring,1, _SC(".")}, - {0,0} -}; - -static SQInteger weakref_ref(HSQUIRRELVM v) -{ - if(SQ_FAILED(sq_getweakrefval(v,1))) - return SQ_ERROR; - return 1; -} - -SQRegFunction SQSharedState::_weakref_default_delegate_funcz[] = { - {_SC("ref"),weakref_ref,1, _SC("r")}, - {_SC("weakref"),obj_delegate_weakref,1, NULL }, - {_SC("tostring"),default_delegate_tostring,1, _SC(".")}, - {0,0} -}; - diff --git a/squirrel_3_0_1_stable/squirrel/sqclass.cpp b/squirrel_3_0_1_stable/squirrel/sqclass.cpp deleted file mode 100644 index dcee77d70..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqclass.cpp +++ /dev/null @@ -1,213 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#include "sqvm.h" -#include "sqtable.h" -#include "sqclass.h" -#include "sqfuncproto.h" -#include "sqclosure.h" - - - -SQClass::SQClass(SQSharedState *ss,SQClass *base) -{ - _base = base; - _typetag = 0; - _hook = NULL; - _udsize = 0; - _locked = false; - _constructoridx = -1; - if(_base) { - _constructoridx = _base->_constructoridx; - _udsize = _base->_udsize; - _defaultvalues.copy(base->_defaultvalues); - _methods.copy(base->_methods); - _COPY_VECTOR(_metamethods,base->_metamethods,MT_LAST); - __ObjAddRef(_base); - } - _members = base?base->_members->Clone() : SQTable::Create(ss,0); - __ObjAddRef(_members); - - INIT_CHAIN(); - ADD_TO_CHAIN(&_sharedstate->_gc_chain, this); -} - -void SQClass::Finalize() { - _attributes.Null(); - _defaultvalues.resize(0); - _methods.resize(0); - _NULL_SQOBJECT_VECTOR(_metamethods,MT_LAST); - __ObjRelease(_members); - if(_base) { - __ObjRelease(_base); - } -} - -SQClass::~SQClass() -{ - REMOVE_FROM_CHAIN(&_sharedstate->_gc_chain, this); - Finalize(); -} - -bool SQClass::NewSlot(SQSharedState *ss,const SQObjectPtr &key,const SQObjectPtr &val,bool bstatic) -{ - SQObjectPtr temp; - bool belongs_to_static_table = type(val) == OT_CLOSURE || type(val) == OT_NATIVECLOSURE || bstatic; - if(_locked && !belongs_to_static_table) - return false; //the class already has an instance so cannot be modified - if(_members->Get(key,temp) && _isfield(temp)) //overrides the default value - { - _defaultvalues[_member_idx(temp)].val = val; - return true; - } - if(belongs_to_static_table) { - SQInteger mmidx; - if((type(val) == OT_CLOSURE || type(val) == OT_NATIVECLOSURE) && - (mmidx = ss->GetMetaMethodIdxByName(key)) != -1) { - _metamethods[mmidx] = val; - } - else { - SQObjectPtr theval = val; - if(_base && type(val) == OT_CLOSURE) { - theval = _closure(val)->Clone(); - _closure(theval)->_base = _base; - __ObjAddRef(_base); //ref for the closure - } - if(type(temp) == OT_NULL) { - bool isconstructor; - SQVM::IsEqual(ss->_constructoridx, key, isconstructor); - if(isconstructor) { - _constructoridx = (SQInteger)_methods.size(); - } - SQClassMember m; - m.val = theval; - _members->NewSlot(key,SQObjectPtr(_make_method_idx(_methods.size()))); - _methods.push_back(m); - } - else { - _methods[_member_idx(temp)].val = theval; - } - } - return true; - } - SQClassMember m; - m.val = val; - _members->NewSlot(key,SQObjectPtr(_make_field_idx(_defaultvalues.size()))); - _defaultvalues.push_back(m); - return true; -} - -SQInstance *SQClass::CreateInstance() -{ - if(!_locked) Lock(); - return SQInstance::Create(_opt_ss(this),this); -} - -SQInteger SQClass::Next(const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval) -{ - SQObjectPtr oval; - SQInteger idx = _members->Next(false,refpos,outkey,oval); - if(idx != -1) { - if(_ismethod(oval)) { - outval = _methods[_member_idx(oval)].val; - } - else { - SQObjectPtr &o = _defaultvalues[_member_idx(oval)].val; - outval = _realval(o); - } - } - return idx; -} - -bool SQClass::SetAttributes(const SQObjectPtr &key,const SQObjectPtr &val) -{ - SQObjectPtr idx; - if(_members->Get(key,idx)) { - if(_isfield(idx)) - _defaultvalues[_member_idx(idx)].attrs = val; - else - _methods[_member_idx(idx)].attrs = val; - return true; - } - return false; -} - -bool SQClass::GetAttributes(const SQObjectPtr &key,SQObjectPtr &outval) -{ - SQObjectPtr idx; - if(_members->Get(key,idx)) { - outval = (_isfield(idx)?_defaultvalues[_member_idx(idx)].attrs:_methods[_member_idx(idx)].attrs); - return true; - } - return false; -} - -/////////////////////////////////////////////////////////////////////// -void SQInstance::Init(SQSharedState *ss) -{ - _userpointer = NULL; - _hook = NULL; - __ObjAddRef(_class); - _delegate = _class->_members; - INIT_CHAIN(); - ADD_TO_CHAIN(&_sharedstate->_gc_chain, this); -} - -SQInstance::SQInstance(SQSharedState *ss, SQClass *c, SQInteger memsize) -{ - _memsize = memsize; - _class = c; - SQUnsignedInteger nvalues = _class->_defaultvalues.size(); - for(SQUnsignedInteger n = 0; n < nvalues; n++) { - new (&_values[n]) SQObjectPtr(_class->_defaultvalues[n].val); - } - Init(ss); -} - -SQInstance::SQInstance(SQSharedState *ss, SQInstance *i, SQInteger memsize) -{ - _memsize = memsize; - _class = i->_class; - SQUnsignedInteger nvalues = _class->_defaultvalues.size(); - for(SQUnsignedInteger n = 0; n < nvalues; n++) { - new (&_values[n]) SQObjectPtr(i->_values[n]); - } - Init(ss); -} - -void SQInstance::Finalize() -{ - SQUnsignedInteger nvalues = _class->_defaultvalues.size(); - __ObjRelease(_class); - _NULL_SQOBJECT_VECTOR(_values,nvalues); - //for(SQUnsignedInteger i = 0; i < nvalues; i++) { -// _values[i].Null(); -// } -} - -SQInstance::~SQInstance() -{ - REMOVE_FROM_CHAIN(&_sharedstate->_gc_chain, this); - if(_class){ Finalize(); } //if _class is null it was already finalized by the GC -} - -bool SQInstance::GetMetaMethod(SQVM *v,SQMetaMethod mm,SQObjectPtr &res) -{ - if(type(_class->_metamethods[mm]) != OT_NULL) { - res = _class->_metamethods[mm]; - return true; - } - return false; -} - -bool SQInstance::InstanceOf(SQClass *trg) -{ - SQClass *parent = _class; - while(parent != NULL) { - if(parent == trg) - return true; - parent = parent->_base; - } - return false; -} diff --git a/squirrel_3_0_1_stable/squirrel/sqclass.h b/squirrel_3_0_1_stable/squirrel/sqclass.h deleted file mode 100644 index 5c1fe2d20..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqclass.h +++ /dev/null @@ -1,158 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQCLASS_H_ -#define _SQCLASS_H_ - -struct SQInstance; - -struct SQClassMember { - SQObjectPtr val; - SQObjectPtr attrs; -}; - -typedef sqvector<SQClassMember> SQClassMemberVec; - -#define MEMBER_TYPE_METHOD 0x01000000 -#define MEMBER_TYPE_FIELD 0x02000000 - -#define _ismethod(o) (_integer(o)&MEMBER_TYPE_METHOD) -#define _isfield(o) (_integer(o)&MEMBER_TYPE_FIELD) -#define _make_method_idx(i) ((SQInteger)(MEMBER_TYPE_METHOD|i)) -#define _make_field_idx(i) ((SQInteger)(MEMBER_TYPE_FIELD|i)) -#define _member_type(o) (_integer(o)&0xFF000000) -#define _member_idx(o) (_integer(o)&0x00FFFFFF) - -struct SQClass : public CHAINABLE_OBJ -{ - SQClass(SQSharedState *ss,SQClass *base); -public: - static SQClass* Create(SQSharedState *ss,SQClass *base) { - SQClass *newclass = (SQClass *)SQ_MALLOC(sizeof(SQClass)); - new (newclass) SQClass(ss, base); - return newclass; - } - ~SQClass(); - bool NewSlot(SQSharedState *ss, const SQObjectPtr &key,const SQObjectPtr &val,bool bstatic); - bool Get(const SQObjectPtr &key,SQObjectPtr &val) { - if(_members->Get(key,val)) { - if(_isfield(val)) { - SQObjectPtr &o = _defaultvalues[_member_idx(val)].val; - val = _realval(o); - } - else { - val = _methods[_member_idx(val)].val; - } - return true; - } - return false; - } - bool GetConstructor(SQObjectPtr &ctor) - { - if(_constructoridx != -1) { - ctor = _methods[_constructoridx].val; - return true; - } - return false; - } - bool SetAttributes(const SQObjectPtr &key,const SQObjectPtr &val); - bool GetAttributes(const SQObjectPtr &key,SQObjectPtr &outval); - void Lock() { _locked = true; if(_base) _base->Lock(); } - void Release() { - if (_hook) { _hook(_typetag,0);} - sq_delete(this, SQClass); - } - void Finalize(); -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable ** ); - SQObjectType GetType() {return OT_CLASS;} -#endif - SQInteger Next(const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval); - SQInstance *CreateInstance(); - SQTable *_members; - SQClass *_base; - SQClassMemberVec _defaultvalues; - SQClassMemberVec _methods; - SQObjectPtr _metamethods[MT_LAST]; - SQObjectPtr _attributes; - SQUserPointer _typetag; - SQRELEASEHOOK _hook; - bool _locked; - SQInteger _constructoridx; - SQInteger _udsize; -}; - -#define calcinstancesize(_theclass_) \ - (_theclass_->_udsize + sq_aligning(sizeof(SQInstance) + (sizeof(SQObjectPtr)*(_theclass_->_defaultvalues.size()>0?_theclass_->_defaultvalues.size()-1:0)))) - -struct SQInstance : public SQDelegable -{ - void Init(SQSharedState *ss); - SQInstance(SQSharedState *ss, SQClass *c, SQInteger memsize); - SQInstance(SQSharedState *ss, SQInstance *c, SQInteger memsize); -public: - static SQInstance* Create(SQSharedState *ss,SQClass *theclass) { - - SQInteger size = calcinstancesize(theclass); - SQInstance *newinst = (SQInstance *)SQ_MALLOC(size); - new (newinst) SQInstance(ss, theclass,size); - if(theclass->_udsize) { - newinst->_userpointer = ((unsigned char *)newinst) + (size - theclass->_udsize); - } - return newinst; - } - SQInstance *Clone(SQSharedState *ss) - { - SQInteger size = calcinstancesize(_class); - SQInstance *newinst = (SQInstance *)SQ_MALLOC(size); - new (newinst) SQInstance(ss, this,size); - if(_class->_udsize) { - newinst->_userpointer = ((unsigned char *)newinst) + (size - _class->_udsize); - } - return newinst; - } - ~SQInstance(); - bool Get(const SQObjectPtr &key,SQObjectPtr &val) { - if(_class->_members->Get(key,val)) { - if(_isfield(val)) { - SQObjectPtr &o = _values[_member_idx(val)]; - val = _realval(o); - } - else { - val = _class->_methods[_member_idx(val)].val; - } - return true; - } - return false; - } - bool Set(const SQObjectPtr &key,const SQObjectPtr &val) { - SQObjectPtr idx; - if(_class->_members->Get(key,idx) && _isfield(idx)) { - _values[_member_idx(idx)] = val; - return true; - } - return false; - } - void Release() { - _uiRef++; - if (_hook) { _hook(_userpointer,0);} - _uiRef--; - if(_uiRef > 0) return; - SQInteger size = _memsize; - this->~SQInstance(); - SQ_FREE(this, size); - } - void Finalize(); -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable ** ); - SQObjectType GetType() {return OT_INSTANCE;} -#endif - bool InstanceOf(SQClass *trg); - bool GetMetaMethod(SQVM *v,SQMetaMethod mm,SQObjectPtr &res); - - SQClass *_class; - SQUserPointer _userpointer; - SQRELEASEHOOK _hook; - SQInteger _memsize; - SQObjectPtr _values[1]; -}; - -#endif //_SQCLASS_H_ diff --git a/squirrel_3_0_1_stable/squirrel/sqclosure.h b/squirrel_3_0_1_stable/squirrel/sqclosure.h deleted file mode 100644 index 353eb5041..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqclosure.h +++ /dev/null @@ -1,193 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQCLOSURE_H_ -#define _SQCLOSURE_H_ - - -#define _CALC_CLOSURE_SIZE(func) (sizeof(SQClosure) + (func->_noutervalues*sizeof(SQObjectPtr)) + (func->_ndefaultparams*sizeof(SQObjectPtr))) - -struct SQFunctionProto; -struct SQClass; -struct SQClosure : public CHAINABLE_OBJ -{ -private: - SQClosure(SQSharedState *ss,SQFunctionProto *func){_function = func; __ObjAddRef(_function); _base = NULL; INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this); _env = NULL;} -public: - static SQClosure *Create(SQSharedState *ss,SQFunctionProto *func){ - SQInteger size = _CALC_CLOSURE_SIZE(func); - SQClosure *nc=(SQClosure*)SQ_MALLOC(size); - new (nc) SQClosure(ss,func); - nc->_outervalues = (SQObjectPtr *)(nc + 1); - nc->_defaultparams = &nc->_outervalues[func->_noutervalues]; - _CONSTRUCT_VECTOR(SQObjectPtr,func->_noutervalues,nc->_outervalues); - _CONSTRUCT_VECTOR(SQObjectPtr,func->_ndefaultparams,nc->_defaultparams); - return nc; - } - void Release(){ - SQFunctionProto *f = _function; - SQInteger size = _CALC_CLOSURE_SIZE(f); - _DESTRUCT_VECTOR(SQObjectPtr,f->_noutervalues,_outervalues); - _DESTRUCT_VECTOR(SQObjectPtr,f->_ndefaultparams,_defaultparams); - __ObjRelease(_function); - this->~SQClosure(); - sq_vm_free(this,size); - } - - SQClosure *Clone() - { - SQFunctionProto *f = _function; - SQClosure * ret = SQClosure::Create(_opt_ss(this),f); - ret->_env = _env; - if(ret->_env) __ObjAddRef(ret->_env); - _COPY_VECTOR(ret->_outervalues,_outervalues,f->_noutervalues); - _COPY_VECTOR(ret->_defaultparams,_defaultparams,f->_ndefaultparams); - return ret; - } - ~SQClosure(); - - bool Save(SQVM *v,SQUserPointer up,SQWRITEFUNC write); - static bool Load(SQVM *v,SQUserPointer up,SQREADFUNC read,SQObjectPtr &ret); -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable **chain); - void Finalize(){ - SQFunctionProto *f = _function; - _NULL_SQOBJECT_VECTOR(_outervalues,f->_noutervalues); - _NULL_SQOBJECT_VECTOR(_defaultparams,f->_ndefaultparams); - } - SQObjectType GetType() {return OT_CLOSURE;} -#endif - SQWeakRef *_env; - SQClass *_base; - SQFunctionProto *_function; - SQObjectPtr *_outervalues; - SQObjectPtr *_defaultparams; -}; - -////////////////////////////////////////////// -struct SQOuter : public CHAINABLE_OBJ -{ - -private: - SQOuter(SQSharedState *ss, SQObjectPtr *outer){_valptr = outer; _next = NULL; INIT_CHAIN(); ADD_TO_CHAIN(&_ss(this)->_gc_chain,this); } - -public: - static SQOuter *Create(SQSharedState *ss, SQObjectPtr *outer) - { - SQOuter *nc = (SQOuter*)SQ_MALLOC(sizeof(SQOuter)); - new (nc) SQOuter(ss, outer); - return nc; - } - ~SQOuter() { REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this); } - - void Release() - { - this->~SQOuter(); - sq_vm_free(this,sizeof(SQOuter)); - } - -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable **chain); - void Finalize() { _value.Null(); } - SQObjectType GetType() {return OT_OUTER;} -#endif - - SQObjectPtr *_valptr; /* pointer to value on stack, or _value below */ - SQInteger _idx; /* idx in stack array, for relocation */ - SQObjectPtr _value; /* value of outer after stack frame is closed */ - SQOuter *_next; /* pointer to next outer when frame is open */ -}; - -////////////////////////////////////////////// -struct SQGenerator : public CHAINABLE_OBJ -{ - enum SQGeneratorState{eRunning,eSuspended,eDead}; -private: - SQGenerator(SQSharedState *ss,SQClosure *closure){_closure=closure;_state=eRunning;_ci._generator=NULL;INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this);} -public: - static SQGenerator *Create(SQSharedState *ss,SQClosure *closure){ - SQGenerator *nc=(SQGenerator*)SQ_MALLOC(sizeof(SQGenerator)); - new (nc) SQGenerator(ss,closure); - return nc; - } - ~SQGenerator() - { - REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this); - } - void Kill(){ - _state=eDead; - _stack.resize(0); - _closure.Null();} - void Release(){ - sq_delete(this,SQGenerator); - } - - bool Yield(SQVM *v,SQInteger target); - bool Resume(SQVM *v,SQObjectPtr &dest); -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable **chain); - void Finalize(){_stack.resize(0);_closure.Null();} - SQObjectType GetType() {return OT_GENERATOR;} -#endif - SQObjectPtr _closure; - SQObjectPtrVec _stack; - SQVM::CallInfo _ci; - ExceptionsTraps _etraps; - SQGeneratorState _state; -}; - -#define _CALC_NATVIVECLOSURE_SIZE(noutervalues) (sizeof(SQNativeClosure) + (noutervalues*sizeof(SQObjectPtr))) - -struct SQNativeClosure : public CHAINABLE_OBJ -{ -private: - SQNativeClosure(SQSharedState *ss,SQFUNCTION func){_function=func;INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this); _env = NULL;} -public: - static SQNativeClosure *Create(SQSharedState *ss,SQFUNCTION func,SQInteger nouters) - { - SQInteger size = _CALC_NATVIVECLOSURE_SIZE(nouters); - SQNativeClosure *nc=(SQNativeClosure*)SQ_MALLOC(size); - new (nc) SQNativeClosure(ss,func); - nc->_outervalues = (SQObjectPtr *)(nc + 1); - nc->_noutervalues = nouters; - _CONSTRUCT_VECTOR(SQObjectPtr,nc->_noutervalues,nc->_outervalues); - return nc; - } - SQNativeClosure *Clone() - { - SQNativeClosure * ret = SQNativeClosure::Create(_opt_ss(this),_function,_noutervalues); - ret->_env = _env; - if(ret->_env) __ObjAddRef(ret->_env); - ret->_name = _name; - _COPY_VECTOR(ret->_outervalues,_outervalues,_noutervalues); - ret->_typecheck.copy(_typecheck); - ret->_nparamscheck = _nparamscheck; - return ret; - } - ~SQNativeClosure() - { - __ObjRelease(_env); - REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this); - } - void Release(){ - SQInteger size = _CALC_NATVIVECLOSURE_SIZE(_noutervalues); - _DESTRUCT_VECTOR(SQObjectPtr,_noutervalues,_outervalues); - this->~SQNativeClosure(); - sq_free(this,size); - } - -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable **chain); - void Finalize() { _NULL_SQOBJECT_VECTOR(_outervalues,_noutervalues); } - SQObjectType GetType() {return OT_NATIVECLOSURE;} -#endif - SQInteger _nparamscheck; - SQIntVec _typecheck; - SQObjectPtr *_outervalues; - SQUnsignedInteger _noutervalues; - SQWeakRef *_env; - SQFUNCTION _function; - SQObjectPtr _name; -}; - - - -#endif //_SQCLOSURE_H_ diff --git a/squirrel_3_0_1_stable/squirrel/sqcompiler.cpp b/squirrel_3_0_1_stable/squirrel/sqcompiler.cpp deleted file mode 100644 index d2f161642..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqcompiler.cpp +++ /dev/null @@ -1,1504 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#ifndef NO_COMPILER -#include <stdarg.h> -#include <setjmp.h> -#include "sqopcodes.h" -#include "sqstring.h" -#include "sqfuncproto.h" -#include "sqcompiler.h" -#include "sqfuncstate.h" -#include "sqlexer.h" -#include "sqvm.h" -#include "sqtable.h" - -#define EXPR 1 -#define OBJECT 2 -#define BASE 3 -#define LOCAL 4 -#define OUTER 5 - -struct SQExpState { - SQInteger etype; /* expr. type; one of EXPR, OBJECT, BASE, OUTER or LOCAL */ - SQInteger epos; /* expr. location on stack; -1 for OBJECT and BASE */ - bool donot_get; /* signal not to deref the next value */ -}; - -struct SQScope { - SQInteger outers; - SQInteger stacksize; -}; - -#define BEGIN_SCOPE() SQScope __oldscope__ = _scope; \ - _scope.outers = _fs->_outers; \ - _scope.stacksize = _fs->GetStackSize(); - -#define RESOLVE_OUTERS() if(_fs->GetStackSize() != _scope.stacksize) { \ - if(_fs->CountOuters(_scope.stacksize)) { \ - _fs->AddInstruction(_OP_CLOSE,0,_scope.stacksize); \ - } \ - } - -#define END_SCOPE_NO_CLOSE() { if(_fs->GetStackSize() != _scope.stacksize) { \ - _fs->SetStackSize(_scope.stacksize); \ - } \ - _scope = __oldscope__; \ - } - -#define END_SCOPE() { SQInteger oldouters = _fs->_outers;\ - if(_fs->GetStackSize() != _scope.stacksize) { \ - _fs->SetStackSize(_scope.stacksize); \ - if(oldouters != _fs->_outers) { \ - _fs->AddInstruction(_OP_CLOSE,0,_scope.stacksize); \ - } \ - } \ - _scope = __oldscope__; \ - } - -#define BEGIN_BREAKBLE_BLOCK() SQInteger __nbreaks__=_fs->_unresolvedbreaks.size(); \ - SQInteger __ncontinues__=_fs->_unresolvedcontinues.size(); \ - _fs->_breaktargets.push_back(0);_fs->_continuetargets.push_back(0); - -#define END_BREAKBLE_BLOCK(continue_target) {__nbreaks__=_fs->_unresolvedbreaks.size()-__nbreaks__; \ - __ncontinues__=_fs->_unresolvedcontinues.size()-__ncontinues__; \ - if(__ncontinues__>0)ResolveContinues(_fs,__ncontinues__,continue_target); \ - if(__nbreaks__>0)ResolveBreaks(_fs,__nbreaks__); \ - _fs->_breaktargets.pop_back();_fs->_continuetargets.pop_back();} - -class SQCompiler -{ -public: - SQCompiler(SQVM *v, SQLEXREADFUNC rg, SQUserPointer up, const SQChar* sourcename, bool raiseerror, bool lineinfo) - { - _vm=v; - _lex.Init(_ss(v), rg, up,ThrowError,this); - _sourcename = SQString::Create(_ss(v), sourcename); - _lineinfo = lineinfo;_raiseerror = raiseerror; - _scope.outers = 0; - _scope.stacksize = 0; - compilererror = NULL; - } - static void ThrowError(void *ud, const SQChar *s) { - SQCompiler *c = (SQCompiler *)ud; - c->Error(s); - } - void Error(const SQChar *s, ...) - { - static SQChar temp[256]; - va_list vl; - va_start(vl, s); - scvsprintf(temp, s, vl); - va_end(vl); - compilererror = temp; - longjmp(_errorjmp,1); - } - void Lex(){ _token = _lex.Lex();} - SQObject Expect(SQInteger tok) - { - - if(_token != tok) { - if(_token == TK_CONSTRUCTOR && tok == TK_IDENTIFIER) { - //do nothing - } - else { - const SQChar *etypename; - if(tok > 255) { - switch(tok) - { - case TK_IDENTIFIER: - etypename = _SC("IDENTIFIER"); - break; - case TK_STRING_LITERAL: - etypename = _SC("STRING_LITERAL"); - break; - case TK_INTEGER: - etypename = _SC("INTEGER"); - break; - case TK_FLOAT: - etypename = _SC("FLOAT"); - break; - default: - etypename = _lex.Tok2Str(tok); - } - Error(_SC("expected '%s'"), etypename); - } - Error(_SC("expected '%c'"), tok); - } - } - SQObjectPtr ret; - switch(tok) - { - case TK_IDENTIFIER: - ret = _fs->CreateString(_lex._svalue); - break; - case TK_STRING_LITERAL: - ret = _fs->CreateString(_lex._svalue,_lex._longstr.size()-1); - break; - case TK_INTEGER: - ret = SQObjectPtr(_lex._nvalue); - break; - case TK_FLOAT: - ret = SQObjectPtr(_lex._fvalue); - break; - } - Lex(); - return ret; - } - bool IsEndOfStatement() { return ((_lex._prevtoken == _SC('\n')) || (_token == SQUIRREL_EOB) || (_token == _SC('}')) || (_token == _SC(';'))); } - void OptionalSemicolon() - { - if(_token == _SC(';')) { Lex(); return; } - if(!IsEndOfStatement()) { - Error(_SC("end of statement expected (; or lf)")); - } - } - void MoveIfCurrentTargetIsLocal() { - SQInteger trg = _fs->TopTarget(); - if(_fs->IsLocal(trg)) { - trg = _fs->PopTarget(); //no pops the target and move it - _fs->AddInstruction(_OP_MOVE, _fs->PushTarget(), trg); - } - } - bool Compile(SQObjectPtr &o) - { - _debugline = 1; - _debugop = 0; - - SQFuncState funcstate(_ss(_vm), NULL,ThrowError,this); - funcstate._name = SQString::Create(_ss(_vm), _SC("main")); - _fs = &funcstate; - _fs->AddParameter(_fs->CreateString(_SC("this"))); - _fs->AddParameter(_fs->CreateString(_SC("vargv"))); - _fs->_varparams = true; - _fs->_sourcename = _sourcename; - SQInteger stacksize = _fs->GetStackSize(); - if(setjmp(_errorjmp) == 0) { - Lex(); - while(_token > 0){ - Statement(); - if(_lex._prevtoken != _SC('}') && _lex._prevtoken != _SC(';')) OptionalSemicolon(); - } - _fs->SetStackSize(stacksize); - _fs->AddLineInfos(_lex._currentline, _lineinfo, true); - _fs->AddInstruction(_OP_RETURN, 0xFF); - _fs->SetStackSize(0); - o =_fs->BuildProto(); -#ifdef _DEBUG_DUMP - _fs->Dump(_funcproto(o)); -#endif - } - else { - if(_raiseerror && _ss(_vm)->_compilererrorhandler) { - _ss(_vm)->_compilererrorhandler(_vm, compilererror, type(_sourcename) == OT_STRING?_stringval(_sourcename):_SC("unknown"), - _lex._currentline, _lex._currentcolumn); - } - _vm->_lasterror = SQString::Create(_ss(_vm), compilererror, -1); - return false; - } - return true; - } - void Statements() - { - while(_token != _SC('}') && _token != TK_DEFAULT && _token != TK_CASE) { - Statement(); - if(_lex._prevtoken != _SC('}') && _lex._prevtoken != _SC(';')) OptionalSemicolon(); - } - } - void Statement(bool closeframe = true) - { - _fs->AddLineInfos(_lex._currentline, _lineinfo); - switch(_token){ - case _SC(';'): Lex(); break; - case TK_IF: IfStatement(); break; - case TK_WHILE: WhileStatement(); break; - case TK_DO: DoWhileStatement(); break; - case TK_FOR: ForStatement(); break; - case TK_FOREACH: ForEachStatement(); break; - case TK_SWITCH: SwitchStatement(); break; - case TK_LOCAL: LocalDeclStatement(); break; - case TK_RETURN: - case TK_YIELD: { - SQOpcode op; - if(_token == TK_RETURN) { - op = _OP_RETURN; - } - else { - op = _OP_YIELD; - _fs->_bgenerator = true; - } - Lex(); - if(!IsEndOfStatement()) { - SQInteger retexp = _fs->GetCurrentPos()+1; - CommaExpr(); - if(op == _OP_RETURN && _fs->_traps > 0) - _fs->AddInstruction(_OP_POPTRAP, _fs->_traps, 0); - _fs->_returnexp = retexp; - _fs->AddInstruction(op, 1, _fs->PopTarget(),_fs->GetStackSize()); - } - else{ - if(op == _OP_RETURN && _fs->_traps > 0) - _fs->AddInstruction(_OP_POPTRAP, _fs->_traps ,0); - _fs->_returnexp = -1; - _fs->AddInstruction(op, 0xFF,0,_fs->GetStackSize()); - } - break;} - case TK_BREAK: - if(_fs->_breaktargets.size() <= 0)Error(_SC("'break' has to be in a loop block")); - if(_fs->_breaktargets.top() > 0){ - _fs->AddInstruction(_OP_POPTRAP, _fs->_breaktargets.top(), 0); - } - RESOLVE_OUTERS(); - _fs->AddInstruction(_OP_JMP, 0, -1234); - _fs->_unresolvedbreaks.push_back(_fs->GetCurrentPos()); - Lex(); - break; - case TK_CONTINUE: - if(_fs->_continuetargets.size() <= 0)Error(_SC("'continue' has to be in a loop block")); - if(_fs->_continuetargets.top() > 0) { - _fs->AddInstruction(_OP_POPTRAP, _fs->_continuetargets.top(), 0); - } - RESOLVE_OUTERS(); - _fs->AddInstruction(_OP_JMP, 0, -1234); - _fs->_unresolvedcontinues.push_back(_fs->GetCurrentPos()); - Lex(); - break; - case TK_FUNCTION: - FunctionStatement(); - break; - case TK_CLASS: - ClassStatement(); - break; - case TK_ENUM: - EnumStatement(); - break; - case _SC('{'):{ - BEGIN_SCOPE(); - Lex(); - Statements(); - Expect(_SC('}')); - if(closeframe) { - END_SCOPE(); - } - else { - END_SCOPE_NO_CLOSE(); - } - } - break; - case TK_TRY: - TryCatchStatement(); - break; - case TK_THROW: - Lex(); - CommaExpr(); - _fs->AddInstruction(_OP_THROW, _fs->PopTarget()); - break; - case TK_CONST: - { - Lex(); - SQObject id = Expect(TK_IDENTIFIER); - Expect('='); - SQObject val = ExpectScalar(); - OptionalSemicolon(); - SQTable *enums = _table(_ss(_vm)->_consts); - SQObjectPtr strongid = id; - enums->NewSlot(strongid,SQObjectPtr(val)); - strongid.Null(); - } - break; - default: - CommaExpr(); - _fs->DiscardTarget(); - //_fs->PopTarget(); - break; - } - _fs->SnoozeOpt(); - } - void EmitDerefOp(SQOpcode op) - { - SQInteger val = _fs->PopTarget(); - SQInteger key = _fs->PopTarget(); - SQInteger src = _fs->PopTarget(); - _fs->AddInstruction(op,_fs->PushTarget(),src,key,val); - } - void Emit2ArgsOP(SQOpcode op, SQInteger p3 = 0) - { - SQInteger p2 = _fs->PopTarget(); //src in OP_GET - SQInteger p1 = _fs->PopTarget(); //key in OP_GET - _fs->AddInstruction(op,_fs->PushTarget(), p1, p2, p3); - } - void EmitCompoundArith(SQInteger tok, SQInteger etype, SQInteger pos) - { - /* Generate code depending on the expression type */ - switch(etype) { - case LOCAL:{ - SQInteger p2 = _fs->PopTarget(); //src in OP_GET - SQInteger p1 = _fs->PopTarget(); //key in OP_GET - _fs->PushTarget(p1); - //EmitCompArithLocal(tok, p1, p1, p2); - _fs->AddInstruction(ChooseArithOpByToken(tok),p1, p2, p1, 0); - } - break; - case OBJECT: - case BASE: - { - SQInteger val = _fs->PopTarget(); - SQInteger key = _fs->PopTarget(); - SQInteger src = _fs->PopTarget(); - /* _OP_COMPARITH mixes dest obj and source val in the arg1 */ - _fs->AddInstruction(_OP_COMPARITH, _fs->PushTarget(), (src<<16)|val, key, ChooseCompArithCharByToken(tok)); - } - break; - case OUTER: - { - SQInteger val = _fs->TopTarget(); - SQInteger tmp = _fs->PushTarget(); - _fs->AddInstruction(_OP_GETOUTER, tmp, pos); - _fs->AddInstruction(ChooseArithOpByToken(tok), tmp, val, tmp, 0); - _fs->AddInstruction(_OP_SETOUTER, tmp, pos, tmp); - } - break; - } - } - void CommaExpr() - { - for(Expression();_token == ',';_fs->PopTarget(), Lex(), CommaExpr()); - } - void Expression() - { - SQExpState es = _es; - _es.etype = EXPR; - _es.epos = -1; - _es.donot_get = false; - LogicalOrExp(); - switch(_token) { - case _SC('='): - case TK_NEWSLOT: - case TK_MINUSEQ: - case TK_PLUSEQ: - case TK_MULEQ: - case TK_DIVEQ: - case TK_MODEQ:{ - SQInteger op = _token; - SQInteger ds = _es.etype; - SQInteger pos = _es.epos; - if(ds == EXPR) Error(_SC("can't assign expression")); - Lex(); Expression(); - - switch(op){ - case TK_NEWSLOT: - if(ds == OBJECT || ds == BASE) - EmitDerefOp(_OP_NEWSLOT); - else //if _derefstate != DEREF_NO_DEREF && DEREF_FIELD so is the index of a local - Error(_SC("can't 'create' a local slot")); - break; - case _SC('='): //ASSIGN - switch(ds) { - case LOCAL: - { - SQInteger src = _fs->PopTarget(); - SQInteger dst = _fs->TopTarget(); - _fs->AddInstruction(_OP_MOVE, dst, src); - } - break; - case OBJECT: - case BASE: - EmitDerefOp(_OP_SET); - break; - case OUTER: - { - SQInteger src = _fs->PopTarget(); - SQInteger dst = _fs->PushTarget(); - _fs->AddInstruction(_OP_SETOUTER, dst, pos, src); - } - } - break; - case TK_MINUSEQ: - case TK_PLUSEQ: - case TK_MULEQ: - case TK_DIVEQ: - case TK_MODEQ: - EmitCompoundArith(op, ds, pos); - break; - } - } - break; - case _SC('?'): { - Lex(); - _fs->AddInstruction(_OP_JZ, _fs->PopTarget()); - SQInteger jzpos = _fs->GetCurrentPos(); - SQInteger trg = _fs->PushTarget(); - Expression(); - SQInteger first_exp = _fs->PopTarget(); - if(trg != first_exp) _fs->AddInstruction(_OP_MOVE, trg, first_exp); - SQInteger endfirstexp = _fs->GetCurrentPos(); - _fs->AddInstruction(_OP_JMP, 0, 0); - Expect(_SC(':')); - SQInteger jmppos = _fs->GetCurrentPos(); - Expression(); - SQInteger second_exp = _fs->PopTarget(); - if(trg != second_exp) _fs->AddInstruction(_OP_MOVE, trg, second_exp); - _fs->SetIntructionParam(jmppos, 1, _fs->GetCurrentPos() - jmppos); - _fs->SetIntructionParam(jzpos, 1, endfirstexp - jzpos + 1); - _fs->SnoozeOpt(); - } - break; - } - _es = es; - } - template<typename T> void BIN_EXP(SQOpcode op, T f,SQInteger op3 = 0) - { - Lex(); (this->*f)(); - SQInteger op1 = _fs->PopTarget();SQInteger op2 = _fs->PopTarget(); - _fs->AddInstruction(op, _fs->PushTarget(), op1, op2, op3); - } - void LogicalOrExp() - { - LogicalAndExp(); - for(;;) if(_token == TK_OR) { - SQInteger first_exp = _fs->PopTarget(); - SQInteger trg = _fs->PushTarget(); - _fs->AddInstruction(_OP_OR, trg, 0, first_exp, 0); - SQInteger jpos = _fs->GetCurrentPos(); - if(trg != first_exp) _fs->AddInstruction(_OP_MOVE, trg, first_exp); - Lex(); LogicalOrExp(); - _fs->SnoozeOpt(); - SQInteger second_exp = _fs->PopTarget(); - if(trg != second_exp) _fs->AddInstruction(_OP_MOVE, trg, second_exp); - _fs->SnoozeOpt(); - _fs->SetIntructionParam(jpos, 1, (_fs->GetCurrentPos() - jpos)); - break; - }else return; - } - void LogicalAndExp() - { - BitwiseOrExp(); - for(;;) switch(_token) { - case TK_AND: { - SQInteger first_exp = _fs->PopTarget(); - SQInteger trg = _fs->PushTarget(); - _fs->AddInstruction(_OP_AND, trg, 0, first_exp, 0); - SQInteger jpos = _fs->GetCurrentPos(); - if(trg != first_exp) _fs->AddInstruction(_OP_MOVE, trg, first_exp); - Lex(); LogicalAndExp(); - _fs->SnoozeOpt(); - SQInteger second_exp = _fs->PopTarget(); - if(trg != second_exp) _fs->AddInstruction(_OP_MOVE, trg, second_exp); - _fs->SnoozeOpt(); - _fs->SetIntructionParam(jpos, 1, (_fs->GetCurrentPos() - jpos)); - break; - } - case TK_IN: BIN_EXP(_OP_EXISTS, &SQCompiler::BitwiseOrExp); break; - case TK_INSTANCEOF: BIN_EXP(_OP_INSTANCEOF, &SQCompiler::BitwiseOrExp); break; - default: - return; - } - } - void BitwiseOrExp() - { - BitwiseXorExp(); - for(;;) if(_token == _SC('|')) - {BIN_EXP(_OP_BITW, &SQCompiler::BitwiseXorExp,BW_OR); - }else return; - } - void BitwiseXorExp() - { - BitwiseAndExp(); - for(;;) if(_token == _SC('^')) - {BIN_EXP(_OP_BITW, &SQCompiler::BitwiseAndExp,BW_XOR); - }else return; - } - void BitwiseAndExp() - { - EqExp(); - for(;;) if(_token == _SC('&')) - {BIN_EXP(_OP_BITW, &SQCompiler::EqExp,BW_AND); - }else return; - } - void EqExp() - { - CompExp(); - for(;;) switch(_token) { - case TK_EQ: BIN_EXP(_OP_EQ, &SQCompiler::CompExp); break; - case TK_NE: BIN_EXP(_OP_NE, &SQCompiler::CompExp); break; - case TK_3WAYSCMP: BIN_EXP(_OP_CMP, &SQCompiler::CompExp,CMP_3W); break; - default: return; - } - } - void CompExp() - { - ShiftExp(); - for(;;) switch(_token) { - case _SC('>'): BIN_EXP(_OP_CMP, &SQCompiler::ShiftExp,CMP_G); break; - case _SC('<'): BIN_EXP(_OP_CMP, &SQCompiler::ShiftExp,CMP_L); break; - case TK_GE: BIN_EXP(_OP_CMP, &SQCompiler::ShiftExp,CMP_GE); break; - case TK_LE: BIN_EXP(_OP_CMP, &SQCompiler::ShiftExp,CMP_LE); break; - default: return; - } - } - void ShiftExp() - { - PlusExp(); - for(;;) switch(_token) { - case TK_USHIFTR: BIN_EXP(_OP_BITW, &SQCompiler::PlusExp,BW_USHIFTR); break; - case TK_SHIFTL: BIN_EXP(_OP_BITW, &SQCompiler::PlusExp,BW_SHIFTL); break; - case TK_SHIFTR: BIN_EXP(_OP_BITW, &SQCompiler::PlusExp,BW_SHIFTR); break; - default: return; - } - } - SQOpcode ChooseArithOpByToken(SQInteger tok) - { - switch(tok) { - case TK_PLUSEQ: case '+': return _OP_ADD; - case TK_MINUSEQ: case '-': return _OP_SUB; - case TK_MULEQ: case '*': return _OP_MUL; - case TK_DIVEQ: case '/': return _OP_DIV; - case TK_MODEQ: case '%': return _OP_MOD; - default: assert(0); - } - return _OP_ADD; - } - SQInteger ChooseCompArithCharByToken(SQInteger tok) - { - SQInteger oper; - switch(tok){ - case TK_MINUSEQ: oper = '-'; break; - case TK_PLUSEQ: oper = '+'; break; - case TK_MULEQ: oper = '*'; break; - case TK_DIVEQ: oper = '/'; break; - case TK_MODEQ: oper = '%'; break; - default: oper = 0; //shut up compiler - assert(0); break; - }; - return oper; - } - void PlusExp() - { - MultExp(); - for(;;) switch(_token) { - case _SC('+'): case _SC('-'): - BIN_EXP(ChooseArithOpByToken(_token), &SQCompiler::MultExp); break; - default: return; - } - } - - void MultExp() - { - PrefixedExpr(); - for(;;) switch(_token) { - case _SC('*'): case _SC('/'): case _SC('%'): - BIN_EXP(ChooseArithOpByToken(_token), &SQCompiler::PrefixedExpr); break; - default: return; - } - } - //if 'pos' != -1 the previous variable is a local variable - void PrefixedExpr() - { - SQInteger pos = Factor(); - for(;;) { - switch(_token) { - case _SC('.'): - pos = -1; - Lex(); - - _fs->AddInstruction(_OP_LOAD, _fs->PushTarget(), _fs->GetConstant(Expect(TK_IDENTIFIER))); - if(_es.etype==BASE) { - Emit2ArgsOP(_OP_GET); - pos = _fs->TopTarget(); - _es.etype = EXPR; - _es.epos = pos; - } - else { - if(NeedGet()) { - Emit2ArgsOP(_OP_GET); - } - _es.etype = OBJECT; - } - break; - case _SC('['): - if(_lex._prevtoken == _SC('\n')) Error(_SC("cannot brake deref/or comma needed after [exp]=exp slot declaration")); - Lex(); Expression(); Expect(_SC(']')); - pos = -1; - if(_es.etype==BASE) { - Emit2ArgsOP(_OP_GET); - pos = _fs->TopTarget(); - _es.etype = EXPR; - _es.epos = pos; - } - else { - if(NeedGet()) { - Emit2ArgsOP(_OP_GET); - } - _es.etype = OBJECT; - } - break; - case TK_MINUSMINUS: - case TK_PLUSPLUS: - { - if(IsEndOfStatement()) return; - SQInteger diff = (_token==TK_MINUSMINUS) ? -1 : 1; - Lex(); - switch(_es.etype) - { - case EXPR: Error(_SC("can't '++' or '--' an expression")); break; - case OBJECT: - case BASE: - Emit2ArgsOP(_OP_PINC, diff); - break; - case LOCAL: { - SQInteger src = _fs->PopTarget(); - _fs->AddInstruction(_OP_PINCL, _fs->PushTarget(), src, 0, diff); - } - break; - case OUTER: { - SQInteger tmp1 = _fs->PushTarget(); - SQInteger tmp2 = _fs->PushTarget(); - _fs->AddInstruction(_OP_GETOUTER, tmp2, _es.epos); - _fs->AddInstruction(_OP_PINCL, tmp1, tmp2, 0, diff); - _fs->AddInstruction(_OP_SETOUTER, tmp2, _es.epos, tmp2); - _fs->PopTarget(); - } - } - } - return; - break; - case _SC('('): - switch(_es.etype) { - case OBJECT: { - SQInteger key = _fs->PopTarget(); /* location of the key */ - SQInteger table = _fs->PopTarget(); /* location of the object */ - SQInteger closure = _fs->PushTarget(); /* location for the closure */ - SQInteger ttarget = _fs->PushTarget(); /* location for 'this' pointer */ - _fs->AddInstruction(_OP_PREPCALL, closure, key, table, ttarget); - } - break; - case BASE: - //Emit2ArgsOP(_OP_GET); - _fs->AddInstruction(_OP_MOVE, _fs->PushTarget(), 0); - break; - case OUTER: - _fs->AddInstruction(_OP_GETOUTER, _fs->PushTarget(), _es.epos); - _fs->AddInstruction(_OP_MOVE, _fs->PushTarget(), 0); - break; - default: - _fs->AddInstruction(_OP_MOVE, _fs->PushTarget(), 0); - } - _es.etype = EXPR; - Lex(); - FunctionCallArgs(); - break; - default: return; - } - } - } - SQInteger Factor() - { - _es.etype = EXPR; - switch(_token) - { - case TK_STRING_LITERAL: - _fs->AddInstruction(_OP_LOAD, _fs->PushTarget(), _fs->GetConstant(_fs->CreateString(_lex._svalue,_lex._longstr.size()-1))); - Lex(); - break; - case TK_BASE: - Lex(); - _fs->AddInstruction(_OP_GETBASE, _fs->PushTarget()); - _es.etype = BASE; - _es.epos = _fs->TopTarget(); - return (_es.epos); - break; - case TK_IDENTIFIER: - case TK_CONSTRUCTOR: - case TK_THIS:{ - SQObject id; - SQObject constant; - - switch(_token) { - case TK_IDENTIFIER: id = _fs->CreateString(_lex._svalue); break; - case TK_THIS: id = _fs->CreateString(_SC("this")); break; - case TK_CONSTRUCTOR: id = _fs->CreateString(_SC("constructor")); break; - } - - SQInteger pos = -1; - Lex(); - if((pos = _fs->GetLocalVariable(id)) != -1) { - /* Handle a local variable (includes 'this') */ - _fs->PushTarget(pos); - _es.etype = LOCAL; - _es.epos = pos; - } - - else if((pos = _fs->GetOuterVariable(id)) != -1) { - /* Handle a free var */ - if(NeedGet()) { - _es.epos = _fs->PushTarget(); - _fs->AddInstruction(_OP_GETOUTER, _es.epos, pos); - /* _es.etype = EXPR; already default value */ - } - else { - _es.etype = OUTER; - _es.epos = pos; - } - } - - else if(_fs->IsConstant(id, constant)) { - /* Handle named constant */ - SQObjectPtr constval; - SQObject constid; - if(type(constant) == OT_TABLE) { - Expect('.'); - constid = Expect(TK_IDENTIFIER); - if(!_table(constant)->Get(constid, constval)) { - constval.Null(); - Error(_SC("invalid constant [%s.%s]"), _stringval(id), _stringval(constid)); - } - } - else { - constval = constant; - } - _es.epos = _fs->PushTarget(); - - /* generate direct or literal function depending on size */ - SQObjectType ctype = type(constval); - switch(ctype) { - case OT_INTEGER: EmitLoadConstInt(_integer(constval),_es.epos); break; - case OT_FLOAT: EmitLoadConstFloat(_float(constval),_es.epos); break; - default: _fs->AddInstruction(_OP_LOAD,_es.epos,_fs->GetConstant(constval)); break; - } - _es.etype = EXPR; - } - else { - /* Handle a non-local variable, aka a field. Push the 'this' pointer on - * the virtual stack (always found in offset 0, so no instruction needs to - * be generated), and push the key next. Generate an _OP_LOAD instruction - * for the latter. If we are not using the variable as a dref expr, generate - * the _OP_GET instruction. - */ - _fs->PushTarget(0); - _fs->AddInstruction(_OP_LOAD, _fs->PushTarget(), _fs->GetConstant(id)); - if(NeedGet()) { - Emit2ArgsOP(_OP_GET); - } - _es.etype = OBJECT; - } - return _es.epos; - } - break; - case TK_DOUBLE_COLON: // "::" - _fs->AddInstruction(_OP_LOADROOT, _fs->PushTarget()); - _es.etype = OBJECT; - _token = _SC('.'); /* hack: drop into PrefixExpr, case '.'*/ - _es.epos = -1; - return _es.epos; - break; - case TK_NULL: - _fs->AddInstruction(_OP_LOADNULLS, _fs->PushTarget(),1); - Lex(); - break; - case TK_INTEGER: EmitLoadConstInt(_lex._nvalue,-1); Lex(); break; - case TK_FLOAT: EmitLoadConstFloat(_lex._fvalue,-1); Lex(); break; - case TK_TRUE: case TK_FALSE: - _fs->AddInstruction(_OP_LOADBOOL, _fs->PushTarget(),_token == TK_TRUE?1:0); - Lex(); - break; - case _SC('['): { - _fs->AddInstruction(_OP_NEWOBJ, _fs->PushTarget(),0,0,NOT_ARRAY); - SQInteger apos = _fs->GetCurrentPos(),key = 0; - Lex(); - while(_token != _SC(']')) { - Expression(); - if(_token == _SC(',')) Lex(); - SQInteger val = _fs->PopTarget(); - SQInteger array = _fs->TopTarget(); - _fs->AddInstruction(_OP_APPENDARRAY, array, val, AAT_STACK); - key++; - } - _fs->SetIntructionParam(apos, 1, key); - Lex(); - } - break; - case _SC('{'): - _fs->AddInstruction(_OP_NEWOBJ, _fs->PushTarget(),0,NOT_TABLE); - Lex();ParseTableOrClass(_SC(','),_SC('}')); - break; - case TK_FUNCTION: FunctionExp(_token);break; - case _SC('@'): FunctionExp(_token,true);break; - case TK_CLASS: Lex(); ClassExp();break; - case _SC('-'): - Lex(); - switch(_token) { - case TK_INTEGER: EmitLoadConstInt(-_lex._nvalue,-1); Lex(); break; - case TK_FLOAT: EmitLoadConstFloat(-_lex._fvalue,-1); Lex(); break; - default: UnaryOP(_OP_NEG); - } - break; - case _SC('!'): Lex(); UnaryOP(_OP_NOT); break; - case _SC('~'): - Lex(); - if(_token == TK_INTEGER) { EmitLoadConstInt(~_lex._nvalue,-1); Lex(); break; } - UnaryOP(_OP_BWNOT); - break; - case TK_TYPEOF : Lex() ;UnaryOP(_OP_TYPEOF); break; - case TK_RESUME : Lex(); UnaryOP(_OP_RESUME); break; - case TK_CLONE : Lex(); UnaryOP(_OP_CLONE); break; - case TK_MINUSMINUS : - case TK_PLUSPLUS :PrefixIncDec(_token); break; - case TK_DELETE : DeleteExpr(); break; - case _SC('('): Lex(); CommaExpr(); Expect(_SC(')')); - break; - default: Error(_SC("expression expected")); - } - return -1; - } - void EmitLoadConstInt(SQInteger value,SQInteger target) - { - if(target < 0) { - target = _fs->PushTarget(); - } - if((value & (~((SQInteger)0xFFFFFFFF))) == 0) { //does it fit in 32 bits? - _fs->AddInstruction(_OP_LOADINT, target,value); - } - else { - _fs->AddInstruction(_OP_LOAD, target, _fs->GetNumericConstant(value)); - } - } - void EmitLoadConstFloat(SQFloat value,SQInteger target) - { - if(target < 0) { - target = _fs->PushTarget(); - } - if(sizeof(SQFloat) == sizeof(SQInt32)) { - _fs->AddInstruction(_OP_LOADFLOAT, target,*((SQInt32 *)&value)); - } - else { - _fs->AddInstruction(_OP_LOAD, target, _fs->GetNumericConstant(value)); - } - } - void UnaryOP(SQOpcode op) - { - PrefixedExpr(); - SQInteger src = _fs->PopTarget(); - _fs->AddInstruction(op, _fs->PushTarget(), src); - } - bool NeedGet() - { - switch(_token) { - case _SC('='): case _SC('('): case TK_NEWSLOT: case TK_MODEQ: case TK_MULEQ: - case TK_DIVEQ: case TK_MINUSEQ: case TK_PLUSEQ: case TK_PLUSPLUS: case TK_MINUSMINUS: - return false; - } - return (!_es.donot_get || ( _es.donot_get && (_token == _SC('.') || _token == _SC('[')))); - } - void FunctionCallArgs() - { - SQInteger nargs = 1;//this - while(_token != _SC(')')) { - Expression(); - MoveIfCurrentTargetIsLocal(); - nargs++; - if(_token == _SC(',')){ - Lex(); - if(_token == ')') Error(_SC("expression expected, found ')'")); - } - } - Lex(); - for(SQInteger i = 0; i < (nargs - 1); i++) _fs->PopTarget(); - SQInteger stackbase = _fs->PopTarget(); - SQInteger closure = _fs->PopTarget(); - _fs->AddInstruction(_OP_CALL, _fs->PushTarget(), closure, stackbase, nargs); - } - void ParseTableOrClass(SQInteger separator,SQInteger terminator) - { - SQInteger tpos = _fs->GetCurrentPos(),nkeys = 0; - while(_token != terminator) { - bool hasattrs = false; - bool isstatic = false; - //check if is an attribute - if(separator == ';') { - if(_token == TK_ATTR_OPEN) { - _fs->AddInstruction(_OP_NEWOBJ, _fs->PushTarget(),0,NOT_TABLE); Lex(); - ParseTableOrClass(',',TK_ATTR_CLOSE); - hasattrs = true; - } - if(_token == TK_STATIC) { - isstatic = true; - Lex(); - } - } - switch(_token) { - case TK_FUNCTION: - case TK_CONSTRUCTOR:{ - SQInteger tk = _token; - Lex(); - SQObject id = tk == TK_FUNCTION ? Expect(TK_IDENTIFIER) : _fs->CreateString(_SC("constructor")); - Expect(_SC('(')); - _fs->AddInstruction(_OP_LOAD, _fs->PushTarget(), _fs->GetConstant(id)); - CreateFunction(id); - _fs->AddInstruction(_OP_CLOSURE, _fs->PushTarget(), _fs->_functions.size() - 1, 0); - } - break; - case _SC('['): - Lex(); CommaExpr(); Expect(_SC(']')); - Expect(_SC('=')); Expression(); - break; - case TK_STRING_LITERAL: //JSON - if(separator == ',') { //only works for tables - _fs->AddInstruction(_OP_LOAD, _fs->PushTarget(), _fs->GetConstant(Expect(TK_STRING_LITERAL))); - Expect(_SC(':')); Expression(); - break; - } - default : - _fs->AddInstruction(_OP_LOAD, _fs->PushTarget(), _fs->GetConstant(Expect(TK_IDENTIFIER))); - Expect(_SC('=')); Expression(); - } - if(_token == separator) Lex();//optional comma/semicolon - nkeys++; - SQInteger val = _fs->PopTarget(); - SQInteger key = _fs->PopTarget(); - SQInteger attrs = hasattrs ? _fs->PopTarget():-1; - assert((hasattrs && (attrs == key-1)) || !hasattrs); - unsigned char flags = (hasattrs?NEW_SLOT_ATTRIBUTES_FLAG:0)|(isstatic?NEW_SLOT_STATIC_FLAG:0); - SQInteger table = _fs->TopTarget(); //<<BECAUSE OF THIS NO COMMON EMIT FUNC IS POSSIBLE - if(separator == _SC(',')) { //hack recognizes a table from the separator - _fs->AddInstruction(_OP_NEWSLOT, 0xFF, table, key, val); - } - else { - _fs->AddInstruction(_OP_NEWSLOTA, flags, table, key, val); //this for classes only as it invokes _newmember - } - } - if(separator == _SC(',')) //hack recognizes a table from the separator - _fs->SetIntructionParam(tpos, 1, nkeys); - Lex(); - } - void LocalDeclStatement() - { - SQObject varname; - Lex(); - if( _token == TK_FUNCTION) { - Lex(); - varname = Expect(TK_IDENTIFIER); - Expect(_SC('(')); - CreateFunction(varname,false); - _fs->AddInstruction(_OP_CLOSURE, _fs->PushTarget(), _fs->_functions.size() - 1, 0); - _fs->PopTarget(); - _fs->PushLocalVariable(varname); - return; - } - - do { - varname = Expect(TK_IDENTIFIER); - if(_token == _SC('=')) { - Lex(); Expression(); - SQInteger src = _fs->PopTarget(); - SQInteger dest = _fs->PushTarget(); - if(dest != src) _fs->AddInstruction(_OP_MOVE, dest, src); - } - else{ - _fs->AddInstruction(_OP_LOADNULLS, _fs->PushTarget(),1); - } - _fs->PopTarget(); - _fs->PushLocalVariable(varname); - if(_token == _SC(',')) Lex(); else break; - } while(1); - } - void IfStatement() - { - SQInteger jmppos; - bool haselse = false; - Lex(); Expect(_SC('(')); CommaExpr(); Expect(_SC(')')); - _fs->AddInstruction(_OP_JZ, _fs->PopTarget()); - SQInteger jnepos = _fs->GetCurrentPos(); - BEGIN_SCOPE(); - - Statement(); - // - if(_token != _SC('}') && _token != TK_ELSE) OptionalSemicolon(); - - END_SCOPE(); - SQInteger endifblock = _fs->GetCurrentPos(); - if(_token == TK_ELSE){ - haselse = true; - BEGIN_SCOPE(); - _fs->AddInstruction(_OP_JMP); - jmppos = _fs->GetCurrentPos(); - Lex(); - Statement(); OptionalSemicolon(); - END_SCOPE(); - _fs->SetIntructionParam(jmppos, 1, _fs->GetCurrentPos() - jmppos); - } - _fs->SetIntructionParam(jnepos, 1, endifblock - jnepos + (haselse?1:0)); - } - void WhileStatement() - { - SQInteger jzpos, jmppos; - jmppos = _fs->GetCurrentPos(); - Lex(); Expect(_SC('(')); CommaExpr(); Expect(_SC(')')); - - BEGIN_BREAKBLE_BLOCK(); - _fs->AddInstruction(_OP_JZ, _fs->PopTarget()); - jzpos = _fs->GetCurrentPos(); - BEGIN_SCOPE(); - - Statement(); - - END_SCOPE(); - _fs->AddInstruction(_OP_JMP, 0, jmppos - _fs->GetCurrentPos() - 1); - _fs->SetIntructionParam(jzpos, 1, _fs->GetCurrentPos() - jzpos); - - END_BREAKBLE_BLOCK(jmppos); - } - void DoWhileStatement() - { - Lex(); - SQInteger jmptrg = _fs->GetCurrentPos(); - BEGIN_BREAKBLE_BLOCK() - BEGIN_SCOPE(); - Statement(); - END_SCOPE(); - Expect(TK_WHILE); - SQInteger continuetrg = _fs->GetCurrentPos(); - Expect(_SC('(')); CommaExpr(); Expect(_SC(')')); - _fs->AddInstruction(_OP_JZ, _fs->PopTarget(), 1); - _fs->AddInstruction(_OP_JMP, 0, jmptrg - _fs->GetCurrentPos() - 1); - END_BREAKBLE_BLOCK(continuetrg); - } - void ForStatement() - { - Lex(); - BEGIN_SCOPE(); - Expect(_SC('(')); - if(_token == TK_LOCAL) LocalDeclStatement(); - else if(_token != _SC(';')){ - CommaExpr(); - _fs->PopTarget(); - } - Expect(_SC(';')); - _fs->SnoozeOpt(); - SQInteger jmppos = _fs->GetCurrentPos(); - SQInteger jzpos = -1; - if(_token != _SC(';')) { CommaExpr(); _fs->AddInstruction(_OP_JZ, _fs->PopTarget()); jzpos = _fs->GetCurrentPos(); } - Expect(_SC(';')); - _fs->SnoozeOpt(); - SQInteger expstart = _fs->GetCurrentPos() + 1; - if(_token != _SC(')')) { - CommaExpr(); - _fs->PopTarget(); - } - Expect(_SC(')')); - _fs->SnoozeOpt(); - SQInteger expend = _fs->GetCurrentPos(); - SQInteger expsize = (expend - expstart) + 1; - SQInstructionVec exp; - if(expsize > 0) { - for(SQInteger i = 0; i < expsize; i++) - exp.push_back(_fs->GetInstruction(expstart + i)); - _fs->PopInstructions(expsize); - } - BEGIN_BREAKBLE_BLOCK() - Statement(); - SQInteger continuetrg = _fs->GetCurrentPos(); - if(expsize > 0) { - for(SQInteger i = 0; i < expsize; i++) - _fs->AddInstruction(exp[i]); - } - _fs->AddInstruction(_OP_JMP, 0, jmppos - _fs->GetCurrentPos() - 1, 0); - if(jzpos> 0) _fs->SetIntructionParam(jzpos, 1, _fs->GetCurrentPos() - jzpos); - END_SCOPE(); - - END_BREAKBLE_BLOCK(continuetrg); - } - void ForEachStatement() - { - SQObject idxname, valname; - Lex(); Expect(_SC('(')); valname = Expect(TK_IDENTIFIER); - if(_token == _SC(',')) { - idxname = valname; - Lex(); valname = Expect(TK_IDENTIFIER); - } - else{ - idxname = _fs->CreateString(_SC("@INDEX@")); - } - Expect(TK_IN); - - //save the stack size - BEGIN_SCOPE(); - //put the table in the stack(evaluate the table expression) - Expression(); Expect(_SC(')')); - SQInteger container = _fs->TopTarget(); - //push the index local var - SQInteger indexpos = _fs->PushLocalVariable(idxname); - _fs->AddInstruction(_OP_LOADNULLS, indexpos,1); - //push the value local var - SQInteger valuepos = _fs->PushLocalVariable(valname); - _fs->AddInstruction(_OP_LOADNULLS, valuepos,1); - //push reference index - SQInteger itrpos = _fs->PushLocalVariable(_fs->CreateString(_SC("@ITERATOR@"))); //use invalid id to make it inaccessible - _fs->AddInstruction(_OP_LOADNULLS, itrpos,1); - SQInteger jmppos = _fs->GetCurrentPos(); - _fs->AddInstruction(_OP_FOREACH, container, 0, indexpos); - SQInteger foreachpos = _fs->GetCurrentPos(); - _fs->AddInstruction(_OP_POSTFOREACH, container, 0, indexpos); - //generate the statement code - BEGIN_BREAKBLE_BLOCK() - Statement(); - _fs->AddInstruction(_OP_JMP, 0, jmppos - _fs->GetCurrentPos() - 1); - _fs->SetIntructionParam(foreachpos, 1, _fs->GetCurrentPos() - foreachpos); - _fs->SetIntructionParam(foreachpos + 1, 1, _fs->GetCurrentPos() - foreachpos); - END_BREAKBLE_BLOCK(foreachpos - 1); - //restore the local variable stack(remove index,val and ref idx) - END_SCOPE(); - } - void SwitchStatement() - { - Lex(); Expect(_SC('(')); CommaExpr(); Expect(_SC(')')); - Expect(_SC('{')); - SQInteger expr = _fs->TopTarget(); - bool bfirst = true; - SQInteger tonextcondjmp = -1; - SQInteger skipcondjmp = -1; - SQInteger __nbreaks__ = _fs->_unresolvedbreaks.size(); - _fs->_breaktargets.push_back(0); - while(_token == TK_CASE) { - if(!bfirst) { - _fs->AddInstruction(_OP_JMP, 0, 0); - skipcondjmp = _fs->GetCurrentPos(); - _fs->SetIntructionParam(tonextcondjmp, 1, _fs->GetCurrentPos() - tonextcondjmp); - } - //condition - Lex(); Expression(); Expect(_SC(':')); - SQInteger trg = _fs->PopTarget(); - _fs->AddInstruction(_OP_EQ, trg, trg, expr); - _fs->AddInstruction(_OP_JZ, trg, 0); - //end condition - if(skipcondjmp != -1) { - _fs->SetIntructionParam(skipcondjmp, 1, (_fs->GetCurrentPos() - skipcondjmp)); - } - tonextcondjmp = _fs->GetCurrentPos(); - BEGIN_SCOPE(); - Statements(); - END_SCOPE(); - bfirst = false; - } - if(tonextcondjmp != -1) - _fs->SetIntructionParam(tonextcondjmp, 1, _fs->GetCurrentPos() - tonextcondjmp); - if(_token == TK_DEFAULT) { - Lex(); Expect(_SC(':')); - BEGIN_SCOPE(); - Statements(); - END_SCOPE(); - } - Expect(_SC('}')); - _fs->PopTarget(); - __nbreaks__ = _fs->_unresolvedbreaks.size() - __nbreaks__; - if(__nbreaks__ > 0)ResolveBreaks(_fs, __nbreaks__); - _fs->_breaktargets.pop_back(); - } - void FunctionStatement() - { - SQObject id; - Lex(); id = Expect(TK_IDENTIFIER); - _fs->PushTarget(0); - _fs->AddInstruction(_OP_LOAD, _fs->PushTarget(), _fs->GetConstant(id)); - if(_token == TK_DOUBLE_COLON) Emit2ArgsOP(_OP_GET); - - while(_token == TK_DOUBLE_COLON) { - Lex(); - id = Expect(TK_IDENTIFIER); - _fs->AddInstruction(_OP_LOAD, _fs->PushTarget(), _fs->GetConstant(id)); - if(_token == TK_DOUBLE_COLON) Emit2ArgsOP(_OP_GET); - } - Expect(_SC('(')); - CreateFunction(id); - _fs->AddInstruction(_OP_CLOSURE, _fs->PushTarget(), _fs->_functions.size() - 1, 0); - EmitDerefOp(_OP_NEWSLOT); - _fs->PopTarget(); - } - void ClassStatement() - { - SQExpState es; - Lex(); - es = _es; - _es.donot_get = true; - PrefixedExpr(); - if(_es.etype == EXPR) { - Error(_SC("invalid class name")); - } - else if(_es.etype == OBJECT || _es.etype == BASE) { - ClassExp(); - EmitDerefOp(_OP_NEWSLOT); - _fs->PopTarget(); - } - else { - Error(_SC("cannot create a class in a local with the syntax(class <local>)")); - } - _es = es; - } - SQObject ExpectScalar() - { - SQObject val; - val._type = OT_NULL; val._unVal.nInteger = 0; //shut up GCC 4.x - switch(_token) { - case TK_INTEGER: - val._type = OT_INTEGER; - val._unVal.nInteger = _lex._nvalue; - break; - case TK_FLOAT: - val._type = OT_FLOAT; - val._unVal.fFloat = _lex._fvalue; - break; - case TK_STRING_LITERAL: - val = _fs->CreateString(_lex._svalue,_lex._longstr.size()-1); - break; - case '-': - Lex(); - switch(_token) - { - case TK_INTEGER: - val._type = OT_INTEGER; - val._unVal.nInteger = -_lex._nvalue; - break; - case TK_FLOAT: - val._type = OT_FLOAT; - val._unVal.fFloat = -_lex._fvalue; - break; - default: - Error(_SC("scalar expected : integer,float")); - } - break; - default: - Error(_SC("scalar expected : integer,float or string")); - } - Lex(); - return val; - } - void EnumStatement() - { - Lex(); - SQObject id = Expect(TK_IDENTIFIER); - Expect(_SC('{')); - - SQObject table = _fs->CreateTable(); - SQInteger nval = 0; - while(_token != _SC('}')) { - SQObject key = Expect(TK_IDENTIFIER); - SQObject val; - if(_token == _SC('=')) { - Lex(); - val = ExpectScalar(); - } - else { - val._type = OT_INTEGER; - val._unVal.nInteger = nval++; - } - _table(table)->NewSlot(SQObjectPtr(key),SQObjectPtr(val)); - if(_token == ',') Lex(); - } - SQTable *enums = _table(_ss(_vm)->_consts); - SQObjectPtr strongid = id; - enums->NewSlot(SQObjectPtr(strongid),SQObjectPtr(table)); - strongid.Null(); - Lex(); - } - void TryCatchStatement() - { - SQObject exid; - Lex(); - _fs->AddInstruction(_OP_PUSHTRAP,0,0); - _fs->_traps++; - if(_fs->_breaktargets.size()) _fs->_breaktargets.top()++; - if(_fs->_continuetargets.size()) _fs->_continuetargets.top()++; - SQInteger trappos = _fs->GetCurrentPos(); - { - BEGIN_SCOPE(); - Statement(); - END_SCOPE(); - } - _fs->_traps--; - _fs->AddInstruction(_OP_POPTRAP, 1, 0); - if(_fs->_breaktargets.size()) _fs->_breaktargets.top()--; - if(_fs->_continuetargets.size()) _fs->_continuetargets.top()--; - _fs->AddInstruction(_OP_JMP, 0, 0); - SQInteger jmppos = _fs->GetCurrentPos(); - _fs->SetIntructionParam(trappos, 1, (_fs->GetCurrentPos() - trappos)); - Expect(TK_CATCH); Expect(_SC('(')); exid = Expect(TK_IDENTIFIER); Expect(_SC(')')); - { - BEGIN_SCOPE(); - SQInteger ex_target = _fs->PushLocalVariable(exid); - _fs->SetIntructionParam(trappos, 0, ex_target); - Statement(); - _fs->SetIntructionParams(jmppos, 0, (_fs->GetCurrentPos() - jmppos), 0); - END_SCOPE(); - } - } - void FunctionExp(SQInteger ftype,bool lambda = false) - { - Lex(); Expect(_SC('(')); - SQObjectPtr dummy; - CreateFunction(dummy,lambda); - _fs->AddInstruction(_OP_CLOSURE, _fs->PushTarget(), _fs->_functions.size() - 1, ftype == TK_FUNCTION?0:1); - } - void ClassExp() - { - SQInteger base = -1; - SQInteger attrs = -1; - if(_token == TK_EXTENDS) { - Lex(); Expression(); - base = _fs->TopTarget(); - } - if(_token == TK_ATTR_OPEN) { - Lex(); - _fs->AddInstruction(_OP_NEWOBJ, _fs->PushTarget(),0,NOT_TABLE); - ParseTableOrClass(_SC(','),TK_ATTR_CLOSE); - attrs = _fs->TopTarget(); - } - Expect(_SC('{')); - if(attrs != -1) _fs->PopTarget(); - if(base != -1) _fs->PopTarget(); - _fs->AddInstruction(_OP_NEWOBJ, _fs->PushTarget(), base, attrs,NOT_CLASS); - ParseTableOrClass(_SC(';'),_SC('}')); - } - void DeleteExpr() - { - SQExpState es; - Lex(); - es = _es; - _es.donot_get = true; - PrefixedExpr(); - if(_es.etype==EXPR) Error(_SC("can't delete an expression")); - if(_es.etype==OBJECT || _es.etype==BASE) { - Emit2ArgsOP(_OP_DELETE); - } - else { - Error(_SC("cannot delete an (outer) local")); - } - _es = es; - } - void PrefixIncDec(SQInteger token) - { - SQExpState es; - SQInteger diff = (token==TK_MINUSMINUS) ? -1 : 1; - Lex(); - es = _es; - _es.donot_get = true; - PrefixedExpr(); - if(_es.etype==EXPR) { - Error(_SC("can't '++' or '--' an expression")); - } - else if(_es.etype==OBJECT || _es.etype==BASE) { - Emit2ArgsOP(_OP_INC, diff); - } - else if(_es.etype==LOCAL) { - SQInteger src = _fs->TopTarget(); - _fs->AddInstruction(_OP_INCL, src, src, 0, diff); - - } - else if(_es.etype==OUTER) { - SQInteger tmp = _fs->PushTarget(); - _fs->AddInstruction(_OP_GETOUTER, tmp, _es.epos); - _fs->AddInstruction(_OP_INCL, tmp, tmp, 0, diff); - _fs->AddInstruction(_OP_SETOUTER, tmp, _es.epos, tmp); - } - _es = es; - } - void CreateFunction(SQObject &name,bool lambda = false) - { - SQFuncState *funcstate = _fs->PushChildState(_ss(_vm)); - funcstate->_name = name; - SQObject paramname; - funcstate->AddParameter(_fs->CreateString(_SC("this"))); - funcstate->_sourcename = _sourcename; - SQInteger defparams = 0; - while(_token!=_SC(')')) { - if(_token == TK_VARPARAMS) { - if(defparams > 0) Error(_SC("function with default parameters cannot have variable number of parameters")); - funcstate->AddParameter(_fs->CreateString(_SC("vargv"))); - funcstate->_varparams = true; - Lex(); - if(_token != _SC(')')) Error(_SC("expected ')'")); - break; - } - else { - paramname = Expect(TK_IDENTIFIER); - funcstate->AddParameter(paramname); - if(_token == _SC('=')) { - Lex(); - Expression(); - funcstate->AddDefaultParam(_fs->TopTarget()); - defparams++; - } - else { - if(defparams > 0) Error(_SC("expected '='")); - } - if(_token == _SC(',')) Lex(); - else if(_token != _SC(')')) Error(_SC("expected ')' or ','")); - } - } - Expect(_SC(')')); - for(SQInteger n = 0; n < defparams; n++) { - _fs->PopTarget(); - } - - SQFuncState *currchunk = _fs; - _fs = funcstate; - if(lambda) { - Expression(); - _fs->AddInstruction(_OP_RETURN, 1, _fs->PopTarget());} - else { - Statement(false); - } - funcstate->AddLineInfos(_lex._prevtoken == _SC('\n')?_lex._lasttokenline:_lex._currentline, _lineinfo, true); - funcstate->AddInstruction(_OP_RETURN, -1); - funcstate->SetStackSize(0); - - SQFunctionProto *func = funcstate->BuildProto(); -#ifdef _DEBUG_DUMP - funcstate->Dump(func); -#endif - _fs = currchunk; - _fs->_functions.push_back(func); - _fs->PopChildState(); - } - void ResolveBreaks(SQFuncState *funcstate, SQInteger ntoresolve) - { - while(ntoresolve > 0) { - SQInteger pos = funcstate->_unresolvedbreaks.back(); - funcstate->_unresolvedbreaks.pop_back(); - //set the jmp instruction - funcstate->SetIntructionParams(pos, 0, funcstate->GetCurrentPos() - pos, 0); - ntoresolve--; - } - } - void ResolveContinues(SQFuncState *funcstate, SQInteger ntoresolve, SQInteger targetpos) - { - while(ntoresolve > 0) { - SQInteger pos = funcstate->_unresolvedcontinues.back(); - funcstate->_unresolvedcontinues.pop_back(); - //set the jmp instruction - funcstate->SetIntructionParams(pos, 0, targetpos - pos, 0); - ntoresolve--; - } - } -private: - SQInteger _token; - SQFuncState *_fs; - SQObjectPtr _sourcename; - SQLexer _lex; - bool _lineinfo; - bool _raiseerror; - SQInteger _debugline; - SQInteger _debugop; - SQExpState _es; - SQScope _scope; - SQChar *compilererror; - jmp_buf _errorjmp; - SQVM *_vm; -}; - -bool Compile(SQVM *vm,SQLEXREADFUNC rg, SQUserPointer up, const SQChar *sourcename, SQObjectPtr &out, bool raiseerror, bool lineinfo) -{ - SQCompiler p(vm, rg, up, sourcename, raiseerror, lineinfo); - return p.Compile(out); -} - -#endif diff --git a/squirrel_3_0_1_stable/squirrel/sqcompiler.h b/squirrel_3_0_1_stable/squirrel/sqcompiler.h deleted file mode 100644 index de5983b46..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqcompiler.h +++ /dev/null @@ -1,77 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQCOMPILER_H_ -#define _SQCOMPILER_H_ - -struct SQVM; - -#define TK_IDENTIFIER 258 -#define TK_STRING_LITERAL 259 -#define TK_INTEGER 260 -#define TK_FLOAT 261 -#define TK_BASE 262 -#define TK_DELETE 263 -#define TK_EQ 264 -#define TK_NE 265 -#define TK_LE 266 -#define TK_GE 267 -#define TK_SWITCH 268 -#define TK_ARROW 269 -#define TK_AND 270 -#define TK_OR 271 -#define TK_IF 272 -#define TK_ELSE 273 -#define TK_WHILE 274 -#define TK_BREAK 275 -#define TK_FOR 276 -#define TK_DO 277 -#define TK_NULL 278 -#define TK_FOREACH 279 -#define TK_IN 280 -#define TK_NEWSLOT 281 -#define TK_MODULO 282 -#define TK_LOCAL 283 -#define TK_CLONE 284 -#define TK_FUNCTION 285 -#define TK_RETURN 286 -#define TK_TYPEOF 287 -#define TK_UMINUS 288 -#define TK_PLUSEQ 289 -#define TK_MINUSEQ 290 -#define TK_CONTINUE 291 -#define TK_YIELD 292 -#define TK_TRY 293 -#define TK_CATCH 294 -#define TK_THROW 295 -#define TK_SHIFTL 296 -#define TK_SHIFTR 297 -#define TK_RESUME 298 -#define TK_DOUBLE_COLON 299 -#define TK_CASE 300 -#define TK_DEFAULT 301 -#define TK_THIS 302 -#define TK_PLUSPLUS 303 -#define TK_MINUSMINUS 304 -#define TK_3WAYSCMP 305 -#define TK_USHIFTR 306 -#define TK_CLASS 307 -#define TK_EXTENDS 308 -#define TK_CONSTRUCTOR 310 -#define TK_INSTANCEOF 311 -#define TK_VARPARAMS 312 -//#define TK_VARGC 313 -//#define TK_VARGV 314 -#define TK_TRUE 315 -#define TK_FALSE 316 -#define TK_MULEQ 317 -#define TK_DIVEQ 318 -#define TK_MODEQ 319 -#define TK_ATTR_OPEN 320 -#define TK_ATTR_CLOSE 321 -#define TK_STATIC 322 -#define TK_ENUM 323 -#define TK_CONST 324 - - -typedef void(*CompilerErrorFunc)(void *ud, const SQChar *s); -bool Compile(SQVM *vm, SQLEXREADFUNC rg, SQUserPointer up, const SQChar *sourcename, SQObjectPtr &out, bool raiseerror, bool lineinfo); -#endif //_SQCOMPILER_H_ diff --git a/squirrel_3_0_1_stable/squirrel/sqdebug.cpp b/squirrel_3_0_1_stable/squirrel/sqdebug.cpp deleted file mode 100644 index 01d0261d2..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqdebug.cpp +++ /dev/null @@ -1,116 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#include <stdarg.h> -#include "sqvm.h" -#include "sqfuncproto.h" -#include "sqclosure.h" -#include "sqstring.h" - -SQRESULT sq_getfunctioninfo(HSQUIRRELVM v,SQInteger level,SQFunctionInfo *fi) -{ - SQInteger cssize = v->_callsstacksize; - if (cssize > level) { - SQVM::CallInfo &ci = v->_callsstack[cssize-level-1]; - if(sq_isclosure(ci._closure)) { - SQClosure *c = _closure(ci._closure); - SQFunctionProto *proto = c->_function; - fi->funcid = proto; - fi->name = type(proto->_name) == OT_STRING?_stringval(proto->_name):_SC("unknown"); - fi->source = type(proto->_name) == OT_STRING?_stringval(proto->_sourcename):_SC("unknown"); - return SQ_OK; - } - } - return sq_throwerror(v,_SC("the object is not a closure")); -} - -SQRESULT sq_stackinfos(HSQUIRRELVM v, SQInteger level, SQStackInfos *si) -{ - SQInteger cssize = v->_callsstacksize; - if (cssize > level) { - memset(si, 0, sizeof(SQStackInfos)); - SQVM::CallInfo &ci = v->_callsstack[cssize-level-1]; - switch (type(ci._closure)) { - case OT_CLOSURE:{ - SQFunctionProto *func = _closure(ci._closure)->_function; - if (type(func->_name) == OT_STRING) - si->funcname = _stringval(func->_name); - if (type(func->_sourcename) == OT_STRING) - si->source = _stringval(func->_sourcename); - si->line = func->GetLine(ci._ip); - } - break; - case OT_NATIVECLOSURE: - si->source = _SC("NATIVE"); - si->funcname = _SC("unknown"); - if(type(_nativeclosure(ci._closure)->_name) == OT_STRING) - si->funcname = _stringval(_nativeclosure(ci._closure)->_name); - si->line = -1; - break; - default: break; //shutup compiler - } - return SQ_OK; - } - return SQ_ERROR; -} - -void SQVM::Raise_Error(const SQChar *s, ...) -{ - va_list vl; - va_start(vl, s); - scvsprintf(_sp(rsl((SQInteger)scstrlen(s)+(NUMBER_MAX_CHAR*2))), s, vl); - va_end(vl); - _lasterror = SQString::Create(_ss(this),_spval,-1); -} - -void SQVM::Raise_Error(const SQObjectPtr &desc) -{ - _lasterror = desc; -} - -SQString *SQVM::PrintObjVal(const SQObjectPtr &o) -{ - switch(type(o)) { - case OT_STRING: return _string(o); - case OT_INTEGER: - scsprintf(_sp(rsl(NUMBER_MAX_CHAR+1)), _PRINT_INT_FMT, _integer(o)); - return SQString::Create(_ss(this), _spval); - break; - case OT_FLOAT: - scsprintf(_sp(rsl(NUMBER_MAX_CHAR+1)), _SC("%.14g"), _float(o)); - return SQString::Create(_ss(this), _spval); - break; - default: - return SQString::Create(_ss(this), GetTypeName(o)); - } -} - -void SQVM::Raise_IdxError(const SQObjectPtr &o) -{ - SQObjectPtr oval = PrintObjVal(o); - Raise_Error(_SC("the index '%.50s' does not exist"), _stringval(oval)); -} - -void SQVM::Raise_CompareError(const SQObject &o1, const SQObject &o2) -{ - SQObjectPtr oval1 = PrintObjVal(o1), oval2 = PrintObjVal(o2); - Raise_Error(_SC("comparsion between '%.50s' and '%.50s'"), _stringval(oval1), _stringval(oval2)); -} - - -void SQVM::Raise_ParamTypeError(SQInteger nparam,SQInteger typemask,SQInteger type) -{ - SQObjectPtr exptypes = SQString::Create(_ss(this), _SC(""), -1); - SQInteger found = 0; - for(SQInteger i=0; i<16; i++) - { - SQInteger mask = 0x00000001 << i; - if(typemask & (mask)) { - if(found>0) StringCat(exptypes,SQString::Create(_ss(this), _SC("|"), -1), exptypes); - found ++; - StringCat(exptypes,SQString::Create(_ss(this), IdType2Name((SQObjectType)mask), -1), exptypes); - } - } - Raise_Error(_SC("parameter %d has an invalid type '%s' ; expected: '%s'"), nparam, IdType2Name((SQObjectType)type), _stringval(exptypes)); -} diff --git a/squirrel_3_0_1_stable/squirrel/sqfuncproto.h b/squirrel_3_0_1_stable/squirrel/sqfuncproto.h deleted file mode 100644 index e6e9529ec..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqfuncproto.h +++ /dev/null @@ -1,154 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQFUNCTION_H_ -#define _SQFUNCTION_H_ - -#include "sqopcodes.h" - -enum SQOuterType { - otLOCAL = 0, - otOUTER = 1 -}; - -struct SQOuterVar -{ - - SQOuterVar(){} - SQOuterVar(const SQObjectPtr &name,const SQObjectPtr &src,SQOuterType t) - { - _name = name; - _src=src; - _type=t; - } - SQOuterVar(const SQOuterVar &ov) - { - _type=ov._type; - _src=ov._src; - _name=ov._name; - } - SQOuterType _type; - SQObjectPtr _name; - SQObjectPtr _src; -}; - -struct SQLocalVarInfo -{ - SQLocalVarInfo():_start_op(0),_end_op(0),_pos(0){} - SQLocalVarInfo(const SQLocalVarInfo &lvi) - { - _name=lvi._name; - _start_op=lvi._start_op; - _end_op=lvi._end_op; - _pos=lvi._pos; - } - SQObjectPtr _name; - SQUnsignedInteger _start_op; - SQUnsignedInteger _end_op; - SQUnsignedInteger _pos; -}; - -struct SQLineInfo { SQInteger _line;SQInteger _op; }; - -typedef sqvector<SQOuterVar> SQOuterVarVec; -typedef sqvector<SQLocalVarInfo> SQLocalVarInfoVec; -typedef sqvector<SQLineInfo> SQLineInfoVec; - -#define _FUNC_SIZE(ni,nl,nparams,nfuncs,nouters,nlineinf,localinf,defparams) (sizeof(SQFunctionProto) \ - +((ni-1)*sizeof(SQInstruction))+(nl*sizeof(SQObjectPtr)) \ - +(nparams*sizeof(SQObjectPtr))+(nfuncs*sizeof(SQObjectPtr)) \ - +(nouters*sizeof(SQOuterVar))+(nlineinf*sizeof(SQLineInfo)) \ - +(localinf*sizeof(SQLocalVarInfo))+(defparams*sizeof(SQInteger))) - - -struct SQFunctionProto : public CHAINABLE_OBJ -{ -private: - SQFunctionProto(SQSharedState *ss); - ~SQFunctionProto(); - -public: - static SQFunctionProto *Create(SQSharedState *ss,SQInteger ninstructions, - SQInteger nliterals,SQInteger nparameters, - SQInteger nfunctions,SQInteger noutervalues, - SQInteger nlineinfos,SQInteger nlocalvarinfos,SQInteger ndefaultparams) - { - SQFunctionProto *f; - //I compact the whole class and members in a single memory allocation - f = (SQFunctionProto *)sq_vm_malloc(_FUNC_SIZE(ninstructions,nliterals,nparameters,nfunctions,noutervalues,nlineinfos,nlocalvarinfos,ndefaultparams)); - new (f) SQFunctionProto(ss); - f->_ninstructions = ninstructions; - f->_literals = (SQObjectPtr*)&f->_instructions[ninstructions]; - f->_nliterals = nliterals; - f->_parameters = (SQObjectPtr*)&f->_literals[nliterals]; - f->_nparameters = nparameters; - f->_functions = (SQObjectPtr*)&f->_parameters[nparameters]; - f->_nfunctions = nfunctions; - f->_outervalues = (SQOuterVar*)&f->_functions[nfunctions]; - f->_noutervalues = noutervalues; - f->_lineinfos = (SQLineInfo *)&f->_outervalues[noutervalues]; - f->_nlineinfos = nlineinfos; - f->_localvarinfos = (SQLocalVarInfo *)&f->_lineinfos[nlineinfos]; - f->_nlocalvarinfos = nlocalvarinfos; - f->_defaultparams = (SQInteger *)&f->_localvarinfos[nlocalvarinfos]; - f->_ndefaultparams = ndefaultparams; - - _CONSTRUCT_VECTOR(SQObjectPtr,f->_nliterals,f->_literals); - _CONSTRUCT_VECTOR(SQObjectPtr,f->_nparameters,f->_parameters); - _CONSTRUCT_VECTOR(SQObjectPtr,f->_nfunctions,f->_functions); - _CONSTRUCT_VECTOR(SQOuterVar,f->_noutervalues,f->_outervalues); - //_CONSTRUCT_VECTOR(SQLineInfo,f->_nlineinfos,f->_lineinfos); //not required are 2 integers - _CONSTRUCT_VECTOR(SQLocalVarInfo,f->_nlocalvarinfos,f->_localvarinfos); - return f; - } - void Release(){ - _DESTRUCT_VECTOR(SQObjectPtr,_nliterals,_literals); - _DESTRUCT_VECTOR(SQObjectPtr,_nparameters,_parameters); - _DESTRUCT_VECTOR(SQObjectPtr,_nfunctions,_functions); - _DESTRUCT_VECTOR(SQOuterVar,_noutervalues,_outervalues); - //_DESTRUCT_VECTOR(SQLineInfo,_nlineinfos,_lineinfos); //not required are 2 integers - _DESTRUCT_VECTOR(SQLocalVarInfo,_nlocalvarinfos,_localvarinfos); - SQInteger size = _FUNC_SIZE(_ninstructions,_nliterals,_nparameters,_nfunctions,_noutervalues,_nlineinfos,_nlocalvarinfos,_ndefaultparams); - this->~SQFunctionProto(); - sq_vm_free(this,size); - } - - const SQChar* GetLocal(SQVM *v,SQUnsignedInteger stackbase,SQUnsignedInteger nseq,SQUnsignedInteger nop); - SQInteger GetLine(SQInstruction *curr); - bool Save(SQVM *v,SQUserPointer up,SQWRITEFUNC write); - static bool Load(SQVM *v,SQUserPointer up,SQREADFUNC read,SQObjectPtr &ret); -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable **chain); - void Finalize(){ _NULL_SQOBJECT_VECTOR(_literals,_nliterals); } - SQObjectType GetType() {return OT_FUNCPROTO;} -#endif - SQObjectPtr _sourcename; - SQObjectPtr _name; - SQInteger _stacksize; - bool _bgenerator; - SQInteger _varparams; - - SQInteger _nlocalvarinfos; - SQLocalVarInfo *_localvarinfos; - - SQInteger _nlineinfos; - SQLineInfo *_lineinfos; - - SQInteger _nliterals; - SQObjectPtr *_literals; - - SQInteger _nparameters; - SQObjectPtr *_parameters; - - SQInteger _nfunctions; - SQObjectPtr *_functions; - - SQInteger _noutervalues; - SQOuterVar *_outervalues; - - SQInteger _ndefaultparams; - SQInteger *_defaultparams; - - SQInteger _ninstructions; - SQInstruction _instructions[1]; -}; - -#endif //_SQFUNCTION_H_ diff --git a/squirrel_3_0_1_stable/squirrel/sqfuncstate.cpp b/squirrel_3_0_1_stable/squirrel/sqfuncstate.cpp deleted file mode 100644 index 81ec7e31c..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqfuncstate.cpp +++ /dev/null @@ -1,652 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#ifndef NO_COMPILER -#include "sqcompiler.h" -#include "sqstring.h" -#include "sqfuncproto.h" -#include "sqtable.h" -#include "sqopcodes.h" -#include "sqfuncstate.h" - -#ifdef _DEBUG_DUMP -SQInstructionDesc g_InstrDesc[]={ - {_SC("_OP_LINE")}, - {_SC("_OP_LOAD")}, - {_SC("_OP_LOADINT")}, - {_SC("_OP_LOADFLOAT")}, - {_SC("_OP_DLOAD")}, - {_SC("_OP_TAILCALL")}, - {_SC("_OP_CALL")}, - {_SC("_OP_PREPCALL")}, - {_SC("_OP_PREPCALLK")}, - {_SC("_OP_GETK")}, - {_SC("_OP_MOVE")}, - {_SC("_OP_NEWSLOT")}, - {_SC("_OP_DELETE")}, - {_SC("_OP_SET")}, - {_SC("_OP_GET")}, - {_SC("_OP_EQ")}, - {_SC("_OP_NE")}, - {_SC("_OP_ADD")}, - {_SC("_OP_SUB")}, - {_SC("_OP_MUL")}, - {_SC("_OP_DIV")}, - {_SC("_OP_MOD")}, - {_SC("_OP_BITW")}, - {_SC("_OP_RETURN")}, - {_SC("_OP_LOADNULLS")}, - {_SC("_OP_LOADROOT")}, - {_SC("_OP_LOADBOOL")}, - {_SC("_OP_DMOVE")}, - {_SC("_OP_JMP")}, - {_SC("_OP_JCMP")}, - {_SC("_OP_JZ")}, - {_SC("_OP_SETOUTER")}, - {_SC("_OP_GETOUTER")}, - {_SC("_OP_NEWOBJ")}, - {_SC("_OP_APPENDARRAY")}, - {_SC("_OP_COMPARITH")}, - {_SC("_OP_INC")}, - {_SC("_OP_INCL")}, - {_SC("_OP_PINC")}, - {_SC("_OP_PINCL")}, - {_SC("_OP_CMP")}, - {_SC("_OP_EXISTS")}, - {_SC("_OP_INSTANCEOF")}, - {_SC("_OP_AND")}, - {_SC("_OP_OR")}, - {_SC("_OP_NEG")}, - {_SC("_OP_NOT")}, - {_SC("_OP_BWNOT")}, - {_SC("_OP_CLOSURE")}, - {_SC("_OP_YIELD")}, - {_SC("_OP_RESUME")}, - {_SC("_OP_FOREACH")}, - {_SC("_OP_POSTFOREACH")}, - {_SC("_OP_CLONE")}, - {_SC("_OP_TYPEOF")}, - {_SC("_OP_PUSHTRAP")}, - {_SC("_OP_POPTRAP")}, - {_SC("_OP_THROW")}, - {_SC("_OP_NEWSLOTA")}, - {_SC("_OP_GETBASE")}, - {_SC("_OP_CLOSE")}, - {_SC("_OP_JCMP")} -}; -#endif -void DumpLiteral(SQObjectPtr &o) -{ - switch(type(o)){ - case OT_STRING: scprintf(_SC("\"%s\""),_stringval(o));break; - case OT_FLOAT: scprintf(_SC("{%f}"),_float(o));break; - case OT_INTEGER: scprintf(_SC("{") _PRINT_INT_FMT _SC("}"),_integer(o));break; - case OT_BOOL: scprintf(_SC("%s"),_integer(o)?_SC("true"):_SC("false"));break; - default: scprintf(_SC("(%s %p)"),GetTypeName(o),(void*)_rawval(o));break; break; //shut up compiler - } -} - -SQFuncState::SQFuncState(SQSharedState *ss,SQFuncState *parent,CompilerErrorFunc efunc,void *ed) -{ - _nliterals = 0; - _literals = SQTable::Create(ss,0); - _strings = SQTable::Create(ss,0); - _sharedstate = ss; - _lastline = 0; - _optimization = true; - _parent = parent; - _stacksize = 0; - _traps = 0; - _returnexp = 0; - _varparams = false; - _errfunc = efunc; - _errtarget = ed; - _bgenerator = false; - _outers = 0; - _ss = ss; - -} - -void SQFuncState::Error(const SQChar *err) -{ - _errfunc(_errtarget,err); -} - -#ifdef _DEBUG_DUMP -void SQFuncState::Dump(SQFunctionProto *func) -{ - SQUnsignedInteger n=0,i; - SQInteger si; - scprintf(_SC("SQInstruction sizeof %d\n"),sizeof(SQInstruction)); - scprintf(_SC("SQObject sizeof %d\n"),sizeof(SQObject)); - scprintf(_SC("--------------------------------------------------------------------\n")); - scprintf(_SC("*****FUNCTION [%s]\n"),type(func->_name)==OT_STRING?_stringval(func->_name):_SC("unknown")); - scprintf(_SC("-----LITERALS\n")); - SQObjectPtr refidx,key,val; - SQInteger idx; - SQObjectPtrVec templiterals; - templiterals.resize(_nliterals); - while((idx=_table(_literals)->Next(false,refidx,key,val))!=-1) { - refidx=idx; - templiterals[_integer(val)]=key; - } - for(i=0;i<templiterals.size();i++){ - scprintf(_SC("[%d] "),n); - DumpLiteral(templiterals[i]); - scprintf(_SC("\n")); - n++; - } - scprintf(_SC("-----PARAMS\n")); - if(_varparams) - scprintf(_SC("<<VARPARAMS>>\n")); - n=0; - for(i=0;i<_parameters.size();i++){ - scprintf(_SC("[%d] "),n); - DumpLiteral(_parameters[i]); - scprintf(_SC("\n")); - n++; - } - scprintf(_SC("-----LOCALS\n")); - for(si=0;si<func->_nlocalvarinfos;si++){ - SQLocalVarInfo lvi=func->_localvarinfos[si]; - scprintf(_SC("[%d] %s \t%d %d\n"),lvi._pos,_stringval(lvi._name),lvi._start_op,lvi._end_op); - n++; - } - scprintf(_SC("-----LINE INFO\n")); - for(i=0;i<_lineinfos.size();i++){ - SQLineInfo li=_lineinfos[i]; - scprintf(_SC("op [%d] line [%d] \n"),li._op,li._line); - n++; - } - scprintf(_SC("-----dump\n")); - n=0; - for(i=0;i<_instructions.size();i++){ - SQInstruction &inst=_instructions[i]; - if(inst.op==_OP_LOAD || inst.op==_OP_DLOAD || inst.op==_OP_PREPCALLK || inst.op==_OP_GETK ){ - - SQInteger lidx = inst._arg1; - scprintf(_SC("[%03d] %15s %d "),n,g_InstrDesc[inst.op].name,inst._arg0); - if(lidx >= 0xFFFFFFFF) - scprintf(_SC("null")); - else { - SQInteger refidx; - SQObjectPtr val,key,refo; - while(((refidx=_table(_literals)->Next(false,refo,key,val))!= -1) && (_integer(val) != lidx)) { - refo = refidx; - } - DumpLiteral(key); - } - if(inst.op != _OP_DLOAD) { - scprintf(_SC(" %d %d \n"),inst._arg2,inst._arg3); - } - else { - scprintf(_SC(" %d "),inst._arg2); - lidx = inst._arg3; - if(lidx >= 0xFFFFFFFF) - scprintf(_SC("null")); - else { - SQInteger refidx; - SQObjectPtr val,key,refo; - while(((refidx=_table(_literals)->Next(false,refo,key,val))!= -1) && (_integer(val) != lidx)) { - refo = refidx; - } - DumpLiteral(key); - scprintf(_SC("\n")); - } - } - } - else if(inst.op==_OP_LOADFLOAT) { - scprintf(_SC("[%03d] %15s %d %f %d %d\n"),n,g_InstrDesc[inst.op].name,inst._arg0,*((SQFloat*)&inst._arg1),inst._arg2,inst._arg3); - } - /* else if(inst.op==_OP_ARITH){ - scprintf(_SC("[%03d] %15s %d %d %d %c\n"),n,g_InstrDesc[inst.op].name,inst._arg0,inst._arg1,inst._arg2,inst._arg3); - }*/ - else { - scprintf(_SC("[%03d] %15s %d %d %d %d\n"),n,g_InstrDesc[inst.op].name,inst._arg0,inst._arg1,inst._arg2,inst._arg3); - } - n++; - } - scprintf(_SC("-----\n")); - scprintf(_SC("stack size[%d]\n"),func->_stacksize); - scprintf(_SC("--------------------------------------------------------------------\n\n")); -} -#endif - -SQInteger SQFuncState::GetNumericConstant(const SQInteger cons) -{ - return GetConstant(SQObjectPtr(cons)); -} - -SQInteger SQFuncState::GetNumericConstant(const SQFloat cons) -{ - return GetConstant(SQObjectPtr(cons)); -} - -SQInteger SQFuncState::GetConstant(const SQObject &cons) -{ - SQObjectPtr val; - if(!_table(_literals)->Get(cons,val)) - { - val = _nliterals; - _table(_literals)->NewSlot(cons,val); - _nliterals++; - if(_nliterals > MAX_LITERALS) { - val.Null(); - Error(_SC("internal compiler error: too many literals")); - } - } - return _integer(val); -} - -void SQFuncState::SetIntructionParams(SQInteger pos,SQInteger arg0,SQInteger arg1,SQInteger arg2,SQInteger arg3) -{ - _instructions[pos]._arg0=(unsigned char)*((SQUnsignedInteger *)&arg0); - _instructions[pos]._arg1=(SQInt32)*((SQUnsignedInteger *)&arg1); - _instructions[pos]._arg2=(unsigned char)*((SQUnsignedInteger *)&arg2); - _instructions[pos]._arg3=(unsigned char)*((SQUnsignedInteger *)&arg3); -} - -void SQFuncState::SetIntructionParam(SQInteger pos,SQInteger arg,SQInteger val) -{ - switch(arg){ - case 0:_instructions[pos]._arg0=(unsigned char)*((SQUnsignedInteger *)&val);break; - case 1:case 4:_instructions[pos]._arg1=(SQInt32)*((SQUnsignedInteger *)&val);break; - case 2:_instructions[pos]._arg2=(unsigned char)*((SQUnsignedInteger *)&val);break; - case 3:_instructions[pos]._arg3=(unsigned char)*((SQUnsignedInteger *)&val);break; - }; -} - -SQInteger SQFuncState::AllocStackPos() -{ - SQInteger npos=_vlocals.size(); - _vlocals.push_back(SQLocalVarInfo()); - if(_vlocals.size()>((SQUnsignedInteger)_stacksize)) { - if(_stacksize>MAX_FUNC_STACKSIZE) Error(_SC("internal compiler error: too many locals")); - _stacksize=_vlocals.size(); - } - return npos; -} - -SQInteger SQFuncState::PushTarget(SQInteger n) -{ - if(n!=-1){ - _targetstack.push_back(n); - return n; - } - n=AllocStackPos(); - _targetstack.push_back(n); - return n; -} - -SQInteger SQFuncState::GetUpTarget(SQInteger n){ - return _targetstack[((_targetstack.size()-1)-n)]; -} - -SQInteger SQFuncState::TopTarget(){ - return _targetstack.back(); -} -SQInteger SQFuncState::PopTarget() -{ - SQInteger npos=_targetstack.back(); - SQLocalVarInfo &t=_vlocals[_targetstack.back()]; - if(type(t._name)==OT_NULL){ - _vlocals.pop_back(); - } - _targetstack.pop_back(); - return npos; -} - -SQInteger SQFuncState::GetStackSize() -{ - return _vlocals.size(); -} - -SQInteger SQFuncState::CountOuters(SQInteger stacksize) -{ - SQInteger outers = 0; - SQInteger k = _vlocals.size() - 1; - while(k >= stacksize) { - SQLocalVarInfo &lvi = _vlocals[k]; - k--; - if(lvi._end_op == UINT_MINUS_ONE) { //this means is an outer - outers++; - } - } - return outers; -} - -void SQFuncState::SetStackSize(SQInteger n) -{ - SQInteger size=_vlocals.size(); - while(size>n){ - size--; - SQLocalVarInfo lvi = _vlocals.back(); - if(type(lvi._name)!=OT_NULL){ - if(lvi._end_op == UINT_MINUS_ONE) { //this means is an outer - _outers--; - } - lvi._end_op = GetCurrentPos(); - _localvarinfos.push_back(lvi); - } - _vlocals.pop_back(); - } -} - -bool SQFuncState::IsConstant(const SQObject &name,SQObject &e) -{ - SQObjectPtr val; - if(_table(_sharedstate->_consts)->Get(name,val)) { - e = val; - return true; - } - return false; -} - -bool SQFuncState::IsLocal(SQUnsignedInteger stkpos) -{ - if(stkpos>=_vlocals.size())return false; - else if(type(_vlocals[stkpos]._name)!=OT_NULL)return true; - return false; -} - -SQInteger SQFuncState::PushLocalVariable(const SQObject &name) -{ - SQInteger pos=_vlocals.size(); - SQLocalVarInfo lvi; - lvi._name=name; - lvi._start_op=GetCurrentPos()+1; - lvi._pos=_vlocals.size(); - _vlocals.push_back(lvi); - if(_vlocals.size()>((SQUnsignedInteger)_stacksize))_stacksize=_vlocals.size(); - return pos; -} - - - -SQInteger SQFuncState::GetLocalVariable(const SQObject &name) -{ - SQInteger locals=_vlocals.size(); - while(locals>=1){ - SQLocalVarInfo &lvi = _vlocals[locals-1]; - if(type(lvi._name)==OT_STRING && _string(lvi._name)==_string(name)){ - return locals-1; - } - locals--; - } - return -1; -} - -void SQFuncState::MarkLocalAsOuter(SQInteger pos) -{ - SQLocalVarInfo &lvi = _vlocals[pos]; - lvi._end_op = UINT_MINUS_ONE; - _outers++; -} - -SQInteger SQFuncState::GetOuterVariable(const SQObject &name) -{ - SQInteger outers = _outervalues.size(); - for(SQInteger i = 0; i<outers; i++) { - if(_string(_outervalues[i]._name) == _string(name)) - return i; - } - SQInteger pos=-1; - if(_parent) { - pos = _parent->GetLocalVariable(name); - if(pos == -1) { - pos = _parent->GetOuterVariable(name); - if(pos != -1) { - _outervalues.push_back(SQOuterVar(name,SQObjectPtr(SQInteger(pos)),otOUTER)); //local - return _outervalues.size() - 1; - } - } - else { - _parent->MarkLocalAsOuter(pos); - _outervalues.push_back(SQOuterVar(name,SQObjectPtr(SQInteger(pos)),otLOCAL)); //local - return _outervalues.size() - 1; - - - } - } - return -1; -} - -void SQFuncState::AddParameter(const SQObject &name) -{ - PushLocalVariable(name); - _parameters.push_back(name); -} - -void SQFuncState::AddLineInfos(SQInteger line,bool lineop,bool force) -{ - if(_lastline!=line || force){ - SQLineInfo li; - li._line=line;li._op=(GetCurrentPos()+1); - if(lineop)AddInstruction(_OP_LINE,0,line); - if(_lastline!=line) { - _lineinfos.push_back(li); - } - _lastline=line; - } -} - -void SQFuncState::DiscardTarget() -{ - SQInteger discardedtarget = PopTarget(); - SQInteger size = _instructions.size(); - if(size > 0 && _optimization){ - SQInstruction &pi = _instructions[size-1];//previous instruction - switch(pi.op) { - case _OP_SET:case _OP_NEWSLOT:case _OP_SETOUTER:case _OP_CALL: - if(pi._arg0 == discardedtarget) { - pi._arg0 = 0xFF; - } - } - } -} - -void SQFuncState::AddInstruction(SQInstruction &i) -{ - SQInteger size = _instructions.size(); - if(size > 0 && _optimization){ //simple optimizer - SQInstruction &pi = _instructions[size-1];//previous instruction - switch(i.op) { - case _OP_JZ: - if( pi.op == _OP_CMP && pi._arg1 < 0xFF) { - pi.op = _OP_JCMP; - pi._arg0 = (unsigned char)pi._arg1; - pi._arg1 = i._arg1; - return; - } - case _OP_SET: - case _OP_NEWSLOT: - if(i._arg0 == i._arg3) { - i._arg0 = 0xFF; - } - break; - case _OP_SETOUTER: - if(i._arg0 == i._arg2) { - i._arg0 = 0xFF; - } - break; - case _OP_RETURN: - if( _parent && i._arg0 != MAX_FUNC_STACKSIZE && pi.op == _OP_CALL && _returnexp < size-1) { - pi.op = _OP_TAILCALL; - } else if(pi.op == _OP_CLOSE){ - pi = i; - return; - } - break; - case _OP_GET: - if( pi.op == _OP_LOAD && pi._arg0 == i._arg2 && (!IsLocal(pi._arg0))){ - pi._arg1 = pi._arg1; - pi._arg2 = (unsigned char)i._arg1; - pi.op = _OP_GETK; - pi._arg0 = i._arg0; - - return; - } - break; - case _OP_PREPCALL: - if( pi.op == _OP_LOAD && pi._arg0 == i._arg1 && (!IsLocal(pi._arg0))){ - pi.op = _OP_PREPCALLK; - pi._arg0 = i._arg0; - pi._arg1 = pi._arg1; - pi._arg2 = i._arg2; - pi._arg3 = i._arg3; - return; - } - break; - case _OP_APPENDARRAY: { - SQInteger aat = -1; - switch(pi.op) { - case _OP_LOAD: aat = AAT_LITERAL; break; - case _OP_LOADINT: aat = AAT_INT; break; - case _OP_LOADBOOL: aat = AAT_BOOL; break; - case _OP_LOADFLOAT: aat = AAT_FLOAT; break; - default: break; - } - if(aat != -1 && pi._arg0 == i._arg1 && (!IsLocal(pi._arg0))){ - pi.op = _OP_APPENDARRAY; - pi._arg0 = i._arg0; - pi._arg1 = pi._arg1; - pi._arg2 = (unsigned char)aat; - pi._arg3 = MAX_FUNC_STACKSIZE; - return; - } - } - break; - case _OP_MOVE: - switch(pi.op) { - case _OP_GET: case _OP_ADD: case _OP_SUB: case _OP_MUL: case _OP_DIV: case _OP_MOD: case _OP_BITW: - case _OP_LOADINT: case _OP_LOADFLOAT: case _OP_LOADBOOL: case _OP_LOAD: - - if(pi._arg0 == i._arg1) - { - pi._arg0 = i._arg0; - _optimization = false; - //_result_elimination = false; - return; - } - } - - if(pi.op == _OP_MOVE) - { - pi.op = _OP_DMOVE; - pi._arg2 = i._arg0; - pi._arg3 = (unsigned char)i._arg1; - return; - } - break; - case _OP_LOAD: - if(pi.op == _OP_LOAD && i._arg1 < 256) { - pi.op = _OP_DLOAD; - pi._arg2 = i._arg0; - pi._arg3 = (unsigned char)i._arg1; - return; - } - break; - case _OP_EQ:case _OP_NE: - if(pi.op == _OP_LOAD && pi._arg0 == i._arg1 && (!IsLocal(pi._arg0) )) - { - pi.op = i.op; - pi._arg0 = i._arg0; - pi._arg1 = pi._arg1; - pi._arg2 = i._arg2; - pi._arg3 = MAX_FUNC_STACKSIZE; - return; - } - break; - case _OP_LOADNULLS: - if((pi.op == _OP_LOADNULLS && pi._arg0+pi._arg1 == i._arg0)) { - - pi._arg1 = pi._arg1 + 1; - pi.op = _OP_LOADNULLS; - return; - } - break; - case _OP_LINE: - if(pi.op == _OP_LINE) { - _instructions.pop_back(); - _lineinfos.pop_back(); - } - break; - } - } - _optimization = true; - _instructions.push_back(i); -} - -SQObject SQFuncState::CreateString(const SQChar *s,SQInteger len) -{ - SQObjectPtr ns(SQString::Create(_sharedstate,s,len)); - _table(_strings)->NewSlot(ns,(SQInteger)1); - return ns; -} - -SQObject SQFuncState::CreateTable() -{ - SQObjectPtr nt(SQTable::Create(_sharedstate,0)); - _table(_strings)->NewSlot(nt,(SQInteger)1); - return nt; -} - -SQFunctionProto *SQFuncState::BuildProto() -{ - - SQFunctionProto *f=SQFunctionProto::Create(_ss,_instructions.size(), - _nliterals,_parameters.size(),_functions.size(),_outervalues.size(), - _lineinfos.size(),_localvarinfos.size(),_defaultparams.size()); - - SQObjectPtr refidx,key,val; - SQInteger idx; - - f->_stacksize = _stacksize; - f->_sourcename = _sourcename; - f->_bgenerator = _bgenerator; - f->_name = _name; - - while((idx=_table(_literals)->Next(false,refidx,key,val))!=-1) { - f->_literals[_integer(val)]=key; - refidx=idx; - } - - for(SQUnsignedInteger nf = 0; nf < _functions.size(); nf++) f->_functions[nf] = _functions[nf]; - for(SQUnsignedInteger np = 0; np < _parameters.size(); np++) f->_parameters[np] = _parameters[np]; - for(SQUnsignedInteger no = 0; no < _outervalues.size(); no++) f->_outervalues[no] = _outervalues[no]; - for(SQUnsignedInteger nl = 0; nl < _localvarinfos.size(); nl++) f->_localvarinfos[nl] = _localvarinfos[nl]; - for(SQUnsignedInteger ni = 0; ni < _lineinfos.size(); ni++) f->_lineinfos[ni] = _lineinfos[ni]; - for(SQUnsignedInteger nd = 0; nd < _defaultparams.size(); nd++) f->_defaultparams[nd] = _defaultparams[nd]; - - memcpy(f->_instructions,&_instructions[0],_instructions.size()*sizeof(SQInstruction)); - - f->_varparams = _varparams; - - return f; -} - -SQFuncState *SQFuncState::PushChildState(SQSharedState *ss) -{ - SQFuncState *child = (SQFuncState *)sq_malloc(sizeof(SQFuncState)); - new (child) SQFuncState(ss,this,_errfunc,_errtarget); - _childstates.push_back(child); - return child; -} - -void SQFuncState::PopChildState() -{ - SQFuncState *child = _childstates.back(); - sq_delete(child,SQFuncState); - _childstates.pop_back(); -} - -SQFuncState::~SQFuncState() -{ - while(_childstates.size() > 0) - { - PopChildState(); - } -} - -#endif diff --git a/squirrel_3_0_1_stable/squirrel/sqfuncstate.h b/squirrel_3_0_1_stable/squirrel/sqfuncstate.h deleted file mode 100644 index 2ae220087..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqfuncstate.h +++ /dev/null @@ -1,91 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQFUNCSTATE_H_ -#define _SQFUNCSTATE_H_ -/////////////////////////////////// -#include "squtils.h" - -struct SQFuncState -{ - SQFuncState(SQSharedState *ss,SQFuncState *parent,CompilerErrorFunc efunc,void *ed); - ~SQFuncState(); -#ifdef _DEBUG_DUMP - void Dump(SQFunctionProto *func); -#endif - void Error(const SQChar *err); - SQFuncState *PushChildState(SQSharedState *ss); - void PopChildState(); - void AddInstruction(SQOpcode _op,SQInteger arg0=0,SQInteger arg1=0,SQInteger arg2=0,SQInteger arg3=0){SQInstruction i(_op,arg0,arg1,arg2,arg3);AddInstruction(i);} - void AddInstruction(SQInstruction &i); - void SetIntructionParams(SQInteger pos,SQInteger arg0,SQInteger arg1,SQInteger arg2=0,SQInteger arg3=0); - void SetIntructionParam(SQInteger pos,SQInteger arg,SQInteger val); - SQInstruction &GetInstruction(SQInteger pos){return _instructions[pos];} - void PopInstructions(SQInteger size){for(SQInteger i=0;i<size;i++)_instructions.pop_back();} - void SetStackSize(SQInteger n); - SQInteger CountOuters(SQInteger stacksize); - void SnoozeOpt(){_optimization=false;} - void AddDefaultParam(SQInteger trg) { _defaultparams.push_back(trg); } - SQInteger GetDefaultParamCount() { return _defaultparams.size(); } - SQInteger GetCurrentPos(){return _instructions.size()-1;} - SQInteger GetNumericConstant(const SQInteger cons); - SQInteger GetNumericConstant(const SQFloat cons); - SQInteger PushLocalVariable(const SQObject &name); - void AddParameter(const SQObject &name); - //void AddOuterValue(const SQObject &name); - SQInteger GetLocalVariable(const SQObject &name); - void MarkLocalAsOuter(SQInteger pos); - SQInteger GetOuterVariable(const SQObject &name); - SQInteger GenerateCode(); - SQInteger GetStackSize(); - SQInteger CalcStackFrameSize(); - void AddLineInfos(SQInteger line,bool lineop,bool force=false); - SQFunctionProto *BuildProto(); - SQInteger AllocStackPos(); - SQInteger PushTarget(SQInteger n=-1); - SQInteger PopTarget(); - SQInteger TopTarget(); - SQInteger GetUpTarget(SQInteger n); - void DiscardTarget(); - bool IsLocal(SQUnsignedInteger stkpos); - SQObject CreateString(const SQChar *s,SQInteger len = -1); - SQObject CreateTable(); - bool IsConstant(const SQObject &name,SQObject &e); - SQInteger _returnexp; - SQLocalVarInfoVec _vlocals; - SQIntVec _targetstack; - SQInteger _stacksize; - bool _varparams; - bool _bgenerator; - SQIntVec _unresolvedbreaks; - SQIntVec _unresolvedcontinues; - SQObjectPtrVec _functions; - SQObjectPtrVec _parameters; - SQOuterVarVec _outervalues; - SQInstructionVec _instructions; - SQLocalVarInfoVec _localvarinfos; - SQObjectPtr _literals; - SQObjectPtr _strings; - SQObjectPtr _name; - SQObjectPtr _sourcename; - SQInteger _nliterals; - SQLineInfoVec _lineinfos; - SQFuncState *_parent; - SQIntVec _scope_blocks; - SQIntVec _breaktargets; - SQIntVec _continuetargets; - SQIntVec _defaultparams; - SQInteger _lastline; - SQInteger _traps; //contains number of nested exception traps - SQInteger _outers; - bool _optimization; - SQSharedState *_sharedstate; - sqvector<SQFuncState*> _childstates; - SQInteger GetConstant(const SQObject &cons); -private: - CompilerErrorFunc _errfunc; - void *_errtarget; - SQSharedState *_ss; -}; - - -#endif //_SQFUNCSTATE_H_ - diff --git a/squirrel_3_0_1_stable/squirrel/sqlexer.cpp b/squirrel_3_0_1_stable/squirrel/sqlexer.cpp deleted file mode 100644 index ec1704b71..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqlexer.cpp +++ /dev/null @@ -1,489 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#include <ctype.h> -#include <stdlib.h> -#include "sqtable.h" -#include "sqstring.h" -#include "sqcompiler.h" -#include "sqlexer.h" - -#define CUR_CHAR (_currdata) -#define RETURN_TOKEN(t) { _prevtoken = _curtoken; _curtoken = t; return t;} -#define IS_EOB() (CUR_CHAR <= SQUIRREL_EOB) -#define NEXT() {Next();_currentcolumn++;} -#define INIT_TEMP_STRING() { _longstr.resize(0);} -#define APPEND_CHAR(c) { _longstr.push_back(c);} -#define TERMINATE_BUFFER() {_longstr.push_back(_SC('\0'));} -#define ADD_KEYWORD(key,id) _keywords->NewSlot( SQString::Create(ss, _SC(#key)) ,SQInteger(id)) - -SQLexer::SQLexer(){} -SQLexer::~SQLexer() -{ - _keywords->Release(); -} - -void SQLexer::Init(SQSharedState *ss, SQLEXREADFUNC rg, SQUserPointer up,CompilerErrorFunc efunc,void *ed) -{ - _errfunc = efunc; - _errtarget = ed; - _sharedstate = ss; - _keywords = SQTable::Create(ss, 26); - ADD_KEYWORD(while, TK_WHILE); - ADD_KEYWORD(do, TK_DO); - ADD_KEYWORD(if, TK_IF); - ADD_KEYWORD(else, TK_ELSE); - ADD_KEYWORD(break, TK_BREAK); - ADD_KEYWORD(continue, TK_CONTINUE); - ADD_KEYWORD(return, TK_RETURN); - ADD_KEYWORD(null, TK_NULL); - ADD_KEYWORD(function, TK_FUNCTION); - ADD_KEYWORD(local, TK_LOCAL); - ADD_KEYWORD(for, TK_FOR); - ADD_KEYWORD(foreach, TK_FOREACH); - ADD_KEYWORD(in, TK_IN); - ADD_KEYWORD(typeof, TK_TYPEOF); - ADD_KEYWORD(base, TK_BASE); - ADD_KEYWORD(delete, TK_DELETE); - ADD_KEYWORD(try, TK_TRY); - ADD_KEYWORD(catch, TK_CATCH); - ADD_KEYWORD(throw, TK_THROW); - ADD_KEYWORD(clone, TK_CLONE); - ADD_KEYWORD(yield, TK_YIELD); - ADD_KEYWORD(resume, TK_RESUME); - ADD_KEYWORD(switch, TK_SWITCH); - ADD_KEYWORD(case, TK_CASE); - ADD_KEYWORD(default, TK_DEFAULT); - ADD_KEYWORD(this, TK_THIS); - ADD_KEYWORD(class,TK_CLASS); - ADD_KEYWORD(extends,TK_EXTENDS); - ADD_KEYWORD(constructor,TK_CONSTRUCTOR); - ADD_KEYWORD(instanceof,TK_INSTANCEOF); - ADD_KEYWORD(true,TK_TRUE); - ADD_KEYWORD(false,TK_FALSE); - ADD_KEYWORD(static,TK_STATIC); - ADD_KEYWORD(enum,TK_ENUM); - ADD_KEYWORD(const,TK_CONST); - - _readf = rg; - _up = up; - _lasttokenline = _currentline = 1; - _currentcolumn = 0; - _prevtoken = -1; - _reached_eof = SQFalse; - Next(); -} - -void SQLexer::Error(const SQChar *err) -{ - _errfunc(_errtarget,err); -} - -void SQLexer::Next() -{ - SQInteger t = _readf(_up); - if(t > MAX_CHAR) Error(_SC("Invalid character")); - if(t != 0) { - _currdata = (LexChar)t; - return; - } - _currdata = SQUIRREL_EOB; - _reached_eof = SQTrue; -} - -const SQChar *SQLexer::Tok2Str(SQInteger tok) -{ - SQObjectPtr itr, key, val; - SQInteger nitr; - while((nitr = _keywords->Next(false,itr, key, val)) != -1) { - itr = (SQInteger)nitr; - if(((SQInteger)_integer(val)) == tok) - return _stringval(key); - } - return NULL; -} - -void SQLexer::LexBlockComment() -{ - bool done = false; - while(!done) { - switch(CUR_CHAR) { - case _SC('*'): { NEXT(); if(CUR_CHAR == _SC('/')) { done = true; NEXT(); }}; continue; - case _SC('\n'): _currentline++; NEXT(); continue; - case SQUIRREL_EOB: Error(_SC("missing \"*/\" in comment")); - default: NEXT(); - } - } -} -void SQLexer::LexLineComment() -{ - do { NEXT(); } while (CUR_CHAR != _SC('\n') && (!IS_EOB())); -} - -SQInteger SQLexer::Lex() -{ - _lasttokenline = _currentline; - while(CUR_CHAR != SQUIRREL_EOB) { - switch(CUR_CHAR){ - case _SC('\t'): case _SC('\r'): case _SC(' '): NEXT(); continue; - case _SC('\n'): - _currentline++; - _prevtoken=_curtoken; - _curtoken=_SC('\n'); - NEXT(); - _currentcolumn=1; - continue; - case _SC('#'): LexLineComment(); continue; - case _SC('/'): - NEXT(); - switch(CUR_CHAR){ - case _SC('*'): - NEXT(); - LexBlockComment(); - continue; - case _SC('/'): - LexLineComment(); - continue; - case _SC('='): - NEXT(); - RETURN_TOKEN(TK_DIVEQ); - continue; - case _SC('>'): - NEXT(); - RETURN_TOKEN(TK_ATTR_CLOSE); - continue; - default: - RETURN_TOKEN('/'); - } - case _SC('='): - NEXT(); - if (CUR_CHAR != _SC('=')){ RETURN_TOKEN('=') } - else { NEXT(); RETURN_TOKEN(TK_EQ); } - case _SC('<'): - NEXT(); - switch(CUR_CHAR) { - case _SC('='): - NEXT(); - if(CUR_CHAR == _SC('>')) { - NEXT(); - RETURN_TOKEN(TK_3WAYSCMP); - } - RETURN_TOKEN(TK_LE) - break; - case _SC('-'): NEXT(); RETURN_TOKEN(TK_NEWSLOT); break; - case _SC('<'): NEXT(); RETURN_TOKEN(TK_SHIFTL); break; - case _SC('/'): NEXT(); RETURN_TOKEN(TK_ATTR_OPEN); break; - } - RETURN_TOKEN('<'); - case _SC('>'): - NEXT(); - if (CUR_CHAR == _SC('=')){ NEXT(); RETURN_TOKEN(TK_GE);} - else if(CUR_CHAR == _SC('>')){ - NEXT(); - if(CUR_CHAR == _SC('>')){ - NEXT(); - RETURN_TOKEN(TK_USHIFTR); - } - RETURN_TOKEN(TK_SHIFTR); - } - else { RETURN_TOKEN('>') } - case _SC('!'): - NEXT(); - if (CUR_CHAR != _SC('=')){ RETURN_TOKEN('!')} - else { NEXT(); RETURN_TOKEN(TK_NE); } - case _SC('@'): { - SQInteger stype; - NEXT(); - if(CUR_CHAR != _SC('"')) { - RETURN_TOKEN('@'); - } - if((stype=ReadString('"',true))!=-1) { - RETURN_TOKEN(stype); - } - Error(_SC("error parsing the string")); - } - case _SC('"'): - case _SC('\''): { - SQInteger stype; - if((stype=ReadString(CUR_CHAR,false))!=-1){ - RETURN_TOKEN(stype); - } - Error(_SC("error parsing the string")); - } - case _SC('{'): case _SC('}'): case _SC('('): case _SC(')'): case _SC('['): case _SC(']'): - case _SC(';'): case _SC(','): case _SC('?'): case _SC('^'): case _SC('~'): - {SQInteger ret = CUR_CHAR; - NEXT(); RETURN_TOKEN(ret); } - case _SC('.'): - NEXT(); - if (CUR_CHAR != _SC('.')){ RETURN_TOKEN('.') } - NEXT(); - if (CUR_CHAR != _SC('.')){ Error(_SC("invalid token '..'")); } - NEXT(); - RETURN_TOKEN(TK_VARPARAMS); - case _SC('&'): - NEXT(); - if (CUR_CHAR != _SC('&')){ RETURN_TOKEN('&') } - else { NEXT(); RETURN_TOKEN(TK_AND); } - case _SC('|'): - NEXT(); - if (CUR_CHAR != _SC('|')){ RETURN_TOKEN('|') } - else { NEXT(); RETURN_TOKEN(TK_OR); } - case _SC(':'): - NEXT(); - if (CUR_CHAR != _SC(':')){ RETURN_TOKEN(':') } - else { NEXT(); RETURN_TOKEN(TK_DOUBLE_COLON); } - case _SC('*'): - NEXT(); - if (CUR_CHAR == _SC('=')){ NEXT(); RETURN_TOKEN(TK_MULEQ);} - else RETURN_TOKEN('*'); - case _SC('%'): - NEXT(); - if (CUR_CHAR == _SC('=')){ NEXT(); RETURN_TOKEN(TK_MODEQ);} - else RETURN_TOKEN('%'); - case _SC('-'): - NEXT(); - if (CUR_CHAR == _SC('=')){ NEXT(); RETURN_TOKEN(TK_MINUSEQ);} - else if (CUR_CHAR == _SC('-')){ NEXT(); RETURN_TOKEN(TK_MINUSMINUS);} - else RETURN_TOKEN('-'); - case _SC('+'): - NEXT(); - if (CUR_CHAR == _SC('=')){ NEXT(); RETURN_TOKEN(TK_PLUSEQ);} - else if (CUR_CHAR == _SC('+')){ NEXT(); RETURN_TOKEN(TK_PLUSPLUS);} - else RETURN_TOKEN('+'); - case SQUIRREL_EOB: - return 0; - default:{ - if (scisdigit(CUR_CHAR)) { - SQInteger ret = ReadNumber(); - RETURN_TOKEN(ret); - } - else if (scisalpha(CUR_CHAR) || CUR_CHAR == _SC('_')) { - SQInteger t = ReadID(); - RETURN_TOKEN(t); - } - else { - SQInteger c = CUR_CHAR; - if (sciscntrl((int)c)) Error(_SC("unexpected character(control)")); - NEXT(); - RETURN_TOKEN(c); - } - RETURN_TOKEN(0); - } - } - } - return 0; -} - -SQInteger SQLexer::GetIDType(SQChar *s) -{ - SQObjectPtr t; - if(_keywords->Get(SQString::Create(_sharedstate, s), t)) { - return SQInteger(_integer(t)); - } - return TK_IDENTIFIER; -} - - -SQInteger SQLexer::ReadString(SQInteger ndelim,bool verbatim) -{ - INIT_TEMP_STRING(); - NEXT(); - if(IS_EOB()) return -1; - for(;;) { - while(CUR_CHAR != ndelim) { - switch(CUR_CHAR) { - case SQUIRREL_EOB: - Error(_SC("unfinished string")); - return -1; - case _SC('\n'): - if(!verbatim) Error(_SC("newline in a constant")); - APPEND_CHAR(CUR_CHAR); NEXT(); - _currentline++; - break; - case _SC('\\'): - if(verbatim) { - APPEND_CHAR('\\'); NEXT(); - } - else { - NEXT(); - switch(CUR_CHAR) { - case _SC('x'): NEXT(); { - if(!isxdigit(CUR_CHAR)) Error(_SC("hexadecimal number expected")); - const SQInteger maxdigits = 4; - SQChar temp[maxdigits+1]; - SQInteger n = 0; - while(isxdigit(CUR_CHAR) && n < maxdigits) { - temp[n] = CUR_CHAR; - n++; - NEXT(); - } - temp[n] = 0; - SQChar *sTemp; - APPEND_CHAR((SQChar)scstrtoul(temp,&sTemp,16)); - } - break; - case _SC('t'): APPEND_CHAR(_SC('\t')); NEXT(); break; - case _SC('a'): APPEND_CHAR(_SC('\a')); NEXT(); break; - case _SC('b'): APPEND_CHAR(_SC('\b')); NEXT(); break; - case _SC('n'): APPEND_CHAR(_SC('\n')); NEXT(); break; - case _SC('r'): APPEND_CHAR(_SC('\r')); NEXT(); break; - case _SC('v'): APPEND_CHAR(_SC('\v')); NEXT(); break; - case _SC('f'): APPEND_CHAR(_SC('\f')); NEXT(); break; - case _SC('0'): APPEND_CHAR(_SC('\0')); NEXT(); break; - case _SC('\\'): APPEND_CHAR(_SC('\\')); NEXT(); break; - case _SC('"'): APPEND_CHAR(_SC('"')); NEXT(); break; - case _SC('\''): APPEND_CHAR(_SC('\'')); NEXT(); break; - default: - Error(_SC("unrecognised escaper char")); - break; - } - } - break; - default: - APPEND_CHAR(CUR_CHAR); - NEXT(); - } - } - NEXT(); - if(verbatim && CUR_CHAR == '"') { //double quotation - APPEND_CHAR(CUR_CHAR); - NEXT(); - } - else { - break; - } - } - TERMINATE_BUFFER(); - SQInteger len = _longstr.size()-1; - if(ndelim == _SC('\'')) { - if(len == 0) Error(_SC("empty constant")); - if(len > 1) Error(_SC("constant too long")); - _nvalue = _longstr[0]; - return TK_INTEGER; - } - _svalue = &_longstr[0]; - return TK_STRING_LITERAL; -} - -void LexHexadecimal(const SQChar *s,SQUnsignedInteger *res) -{ - *res = 0; - while(*s != 0) - { - if(scisdigit(*s)) *res = (*res)*16+((*s++)-'0'); - else if(scisxdigit(*s)) *res = (*res)*16+(toupper(*s++)-'A'+10); - else { assert(0); } - } -} - -void LexInteger(const SQChar *s,SQUnsignedInteger *res) -{ - *res = 0; - while(*s != 0) - { - *res = (*res)*10+((*s++)-'0'); - } -} - -SQInteger scisodigit(SQInteger c) { return c >= _SC('0') && c <= _SC('7'); } - -void LexOctal(const SQChar *s,SQUnsignedInteger *res) -{ - *res = 0; - while(*s != 0) - { - if(scisodigit(*s)) *res = (*res)*8+((*s++)-'0'); - else { assert(0); } - } -} - -SQInteger isexponent(SQInteger c) { return c == 'e' || c=='E'; } - - -#define MAX_HEX_DIGITS (sizeof(SQInteger)*2) -SQInteger SQLexer::ReadNumber() -{ -#define TINT 1 -#define TFLOAT 2 -#define THEX 3 -#define TSCIENTIFIC 4 -#define TOCTAL 5 - SQInteger type = TINT, firstchar = CUR_CHAR; - SQChar *sTemp; - INIT_TEMP_STRING(); - NEXT(); - if(firstchar == _SC('0') && (toupper(CUR_CHAR) == _SC('X') || scisodigit(CUR_CHAR)) ) { - if(scisodigit(CUR_CHAR)) { - type = TOCTAL; - while(scisodigit(CUR_CHAR)) { - APPEND_CHAR(CUR_CHAR); - NEXT(); - } - if(scisdigit(CUR_CHAR)) Error(_SC("invalid octal number")); - } - else { - NEXT(); - type = THEX; - while(isxdigit(CUR_CHAR)) { - APPEND_CHAR(CUR_CHAR); - NEXT(); - } - if(_longstr.size() > MAX_HEX_DIGITS) Error(_SC("too many digits for an Hex number")); - } - } - else { - APPEND_CHAR((int)firstchar); - while (CUR_CHAR == _SC('.') || scisdigit(CUR_CHAR) || isexponent(CUR_CHAR)) { - if(CUR_CHAR == _SC('.')) type = TFLOAT; - if(isexponent(CUR_CHAR)) { - if(type != TFLOAT) Error(_SC("invalid numeric format")); - type = TSCIENTIFIC; - APPEND_CHAR(CUR_CHAR); - NEXT(); - if(CUR_CHAR == '+' || CUR_CHAR == '-'){ - APPEND_CHAR(CUR_CHAR); - NEXT(); - } - if(!scisdigit(CUR_CHAR)) Error(_SC("exponent expected")); - } - - APPEND_CHAR(CUR_CHAR); - NEXT(); - } - } - TERMINATE_BUFFER(); - switch(type) { - case TSCIENTIFIC: - case TFLOAT: - _fvalue = (SQFloat)scstrtod(&_longstr[0],&sTemp); - return TK_FLOAT; - case TINT: - LexInteger(&_longstr[0],(SQUnsignedInteger *)&_nvalue); - return TK_INTEGER; - case THEX: - LexHexadecimal(&_longstr[0],(SQUnsignedInteger *)&_nvalue); - return TK_INTEGER; - case TOCTAL: - LexOctal(&_longstr[0],(SQUnsignedInteger *)&_nvalue); - return TK_INTEGER; - } - return 0; -} - -SQInteger SQLexer::ReadID() -{ - SQInteger res; - INIT_TEMP_STRING(); - do { - APPEND_CHAR(CUR_CHAR); - NEXT(); - } while(scisalnum(CUR_CHAR) || CUR_CHAR == _SC('_')); - TERMINATE_BUFFER(); - res = GetIDType(&_longstr[0]); - if(res == TK_IDENTIFIER || res == TK_CONSTRUCTOR) { - _svalue = &_longstr[0]; - } - return res; -} diff --git a/squirrel_3_0_1_stable/squirrel/sqlexer.h b/squirrel_3_0_1_stable/squirrel/sqlexer.h deleted file mode 100644 index 49fadd90a..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqlexer.h +++ /dev/null @@ -1,47 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQLEXER_H_ -#define _SQLEXER_H_ - -#ifdef SQUNICODE -typedef SQChar LexChar; -#else -typedef unsigned char LexChar; -#endif - -struct SQLexer -{ - SQLexer(); - ~SQLexer(); - void Init(SQSharedState *ss,SQLEXREADFUNC rg,SQUserPointer up,CompilerErrorFunc efunc,void *ed); - void Error(const SQChar *err); - SQInteger Lex(); - const SQChar *Tok2Str(SQInteger tok); -private: - SQInteger GetIDType(SQChar *s); - SQInteger ReadString(SQInteger ndelim,bool verbatim); - SQInteger ReadNumber(); - void LexBlockComment(); - void LexLineComment(); - SQInteger ReadID(); - void Next(); - SQInteger _curtoken; - SQTable *_keywords; - SQBool _reached_eof; -public: - SQInteger _prevtoken; - SQInteger _currentline; - SQInteger _lasttokenline; - SQInteger _currentcolumn; - const SQChar *_svalue; - SQInteger _nvalue; - SQFloat _fvalue; - SQLEXREADFUNC _readf; - SQUserPointer _up; - LexChar _currdata; - SQSharedState *_sharedstate; - sqvector<SQChar> _longstr; - CompilerErrorFunc _errfunc; - void *_errtarget; -}; - -#endif diff --git a/squirrel_3_0_1_stable/squirrel/sqmem.cpp b/squirrel_3_0_1_stable/squirrel/sqmem.cpp deleted file mode 100644 index 6faf8165a..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqmem.cpp +++ /dev/null @@ -1,9 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -void *sq_vm_malloc(SQUnsignedInteger size){ return malloc(size); } - -void *sq_vm_realloc(void *p, SQUnsignedInteger oldsize, SQUnsignedInteger size){ return realloc(p, size); } - -void sq_vm_free(void *p, SQUnsignedInteger size){ free(p); } diff --git a/squirrel_3_0_1_stable/squirrel/sqobject.cpp b/squirrel_3_0_1_stable/squirrel/sqobject.cpp deleted file mode 100644 index e32cd72b9..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqobject.cpp +++ /dev/null @@ -1,655 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#include "sqvm.h" -#include "sqstring.h" -#include "sqarray.h" -#include "sqtable.h" -#include "squserdata.h" -#include "sqfuncproto.h" -#include "sqclass.h" -#include "sqclosure.h" - - -const SQChar *IdType2Name(SQObjectType type) -{ - switch(_RAW_TYPE(type)) - { - case _RT_NULL:return _SC("null"); - case _RT_INTEGER:return _SC("integer"); - case _RT_FLOAT:return _SC("float"); - case _RT_BOOL:return _SC("bool"); - case _RT_STRING:return _SC("string"); - case _RT_TABLE:return _SC("table"); - case _RT_ARRAY:return _SC("array"); - case _RT_GENERATOR:return _SC("generator"); - case _RT_CLOSURE: - case _RT_NATIVECLOSURE: - return _SC("function"); - case _RT_USERDATA: - case _RT_USERPOINTER: - return _SC("userdata"); - case _RT_THREAD: return _SC("thread"); - case _RT_FUNCPROTO: return _SC("function"); - case _RT_CLASS: return _SC("class"); - case _RT_INSTANCE: return _SC("instance"); - case _RT_WEAKREF: return _SC("weakref"); - case _RT_OUTER: return _SC("outer"); - default: - return NULL; - } -} - -const SQChar *GetTypeName(const SQObjectPtr &obj1) -{ - return IdType2Name(type(obj1)); -} - -SQString *SQString::Create(SQSharedState *ss,const SQChar *s,SQInteger len) -{ - SQString *str=ADD_STRING(ss,s,len); - return str; -} - -void SQString::Release() -{ - REMOVE_STRING(_sharedstate,this); -} - -SQInteger SQString::Next(const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval) -{ - SQInteger idx = (SQInteger)TranslateIndex(refpos); - while(idx < _len){ - outkey = (SQInteger)idx; - outval = SQInteger(_val[idx]); - //return idx for the next iteration - return ++idx; - } - //nothing to iterate anymore - return -1; -} - -SQUnsignedInteger TranslateIndex(const SQObjectPtr &idx) -{ - switch(type(idx)){ - case OT_NULL: - return 0; - case OT_INTEGER: - return (SQUnsignedInteger)_integer(idx); - default: assert(0); break; - } - return 0; -} - -SQWeakRef *SQRefCounted::GetWeakRef(SQObjectType type) -{ - if(!_weakref) { - sq_new(_weakref,SQWeakRef); - _weakref->_obj._type = type; - _weakref->_obj._unVal.pRefCounted = this; - } - return _weakref; -} - -SQRefCounted::~SQRefCounted() -{ - if(_weakref) { - _weakref->_obj._type = OT_NULL; - _weakref->_obj._unVal.pRefCounted = NULL; - } -} - -void SQWeakRef::Release() { - if(ISREFCOUNTED(_obj._type)) { - _obj._unVal.pRefCounted->_weakref = NULL; - } - sq_delete(this,SQWeakRef); -} - -bool SQDelegable::GetMetaMethod(SQVM *v,SQMetaMethod mm,SQObjectPtr &res) { - if(_delegate) { - return _delegate->Get((*_ss(v)->_metamethods)[mm],res); - } - return false; -} - -bool SQDelegable::SetDelegate(SQTable *mt) -{ - SQTable *temp = mt; - if(temp == this) return false; - while (temp) { - if (temp->_delegate == this) return false; //cycle detected - temp = temp->_delegate; - } - if (mt) __ObjAddRef(mt); - __ObjRelease(_delegate); - _delegate = mt; - return true; -} - -bool SQGenerator::Yield(SQVM *v,SQInteger target) -{ - if(_state==eSuspended) { v->Raise_Error(_SC("internal vm error, yielding dead generator")); return false;} - if(_state==eDead) { v->Raise_Error(_SC("internal vm error, yielding a dead generator")); return false; } - SQInteger size = v->_top-v->_stackbase; - - _stack.resize(size); - SQObject _this = v->_stack[v->_stackbase]; - _stack._vals[0] = ISREFCOUNTED(type(_this)) ? SQObjectPtr(_refcounted(_this)->GetWeakRef(type(_this))) : _this; - for(SQInteger n =1; n<target; n++) { - _stack._vals[n] = v->_stack[v->_stackbase+n]; - } - for(SQInteger j =0; j < size; j++) - { - v->_stack[v->_stackbase+j].Null(); - } - - _ci = *v->ci; - _ci._generator=NULL; - for(SQInteger i=0;i<_ci._etraps;i++) { - _etraps.push_back(v->_etraps.top()); - v->_etraps.pop_back(); - } - _state=eSuspended; - return true; -} - -bool SQGenerator::Resume(SQVM *v,SQObjectPtr &dest) -{ - if(_state==eDead){ v->Raise_Error(_SC("resuming dead generator")); return false; } - if(_state==eRunning){ v->Raise_Error(_SC("resuming active generator")); return false; } - SQInteger size = _stack.size(); - SQInteger target = &dest - &(v->_stack._vals[v->_stackbase]); - assert(target>=0 && target<=255); - if(!v->EnterFrame(v->_top, v->_top + size, false)) - return false; - v->ci->_generator = this; - v->ci->_target = (SQInt32)target; - v->ci->_closure = _ci._closure; - v->ci->_ip = _ci._ip; - v->ci->_literals = _ci._literals; - v->ci->_ncalls = _ci._ncalls; - v->ci->_etraps = _ci._etraps; - v->ci->_root = _ci._root; - - - for(SQInteger i=0;i<_ci._etraps;i++) { - v->_etraps.push_back(_etraps.top()); - _etraps.pop_back(); - } - SQObject _this = _stack._vals[0]; - v->_stack[v->_stackbase] = type(_this) == OT_WEAKREF ? _weakref(_this)->_obj : _this; - - for(SQInteger n = 1; n<size; n++) { - v->_stack[v->_stackbase+n] = _stack._vals[n]; - _stack._vals[n].Null(); - } - - _state=eRunning; - if (v->_debughook) - v->CallDebugHook(_SC('c')); - - return true; -} - -void SQArray::Extend(const SQArray *a){ - SQInteger xlen; - if((xlen=a->Size())) - for(SQInteger i=0;i<xlen;i++) - Append(a->_values[i]); -} - -const SQChar* SQFunctionProto::GetLocal(SQVM *vm,SQUnsignedInteger stackbase,SQUnsignedInteger nseq,SQUnsignedInteger nop) -{ - SQUnsignedInteger nvars=_nlocalvarinfos; - const SQChar *res=NULL; - if(nvars>=nseq){ - for(SQUnsignedInteger i=0;i<nvars;i++){ - if(_localvarinfos[i]._start_op<=nop && _localvarinfos[i]._end_op>=nop) - { - if(nseq==0){ - vm->Push(vm->_stack[stackbase+_localvarinfos[i]._pos]); - res=_stringval(_localvarinfos[i]._name); - break; - } - nseq--; - } - } - } - return res; -} - - -SQInteger SQFunctionProto::GetLine(SQInstruction *curr) -{ - SQInteger op = (SQInteger)(curr-_instructions); - SQInteger line=_lineinfos[0]._line; - SQInteger low = 0; - SQInteger high = _nlineinfos - 1; - SQInteger mid = 0; - while(low <= high) - { - mid = low + ((high - low) >> 1); - SQInteger curop = _lineinfos[mid]._op; - if(curop > op) - { - high = mid - 1; - } - else if(curop < op) { - if(mid < (_nlineinfos - 1) - && _lineinfos[mid + 1]._op >= op) { - break; - } - low = mid + 1; - } - else { //equal - break; - } - } - - line = _lineinfos[mid]._line; - return line; -} - -SQClosure::~SQClosure() -{ - __ObjRelease(_env); - __ObjRelease(_base); - REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this); -} - -#define _CHECK_IO(exp) { if(!exp)return false; } -bool SafeWrite(HSQUIRRELVM v,SQWRITEFUNC write,SQUserPointer up,SQUserPointer dest,SQInteger size) -{ - if(write(up,dest,size) != size) { - v->Raise_Error(_SC("io error (write function failure)")); - return false; - } - return true; -} - -bool SafeRead(HSQUIRRELVM v,SQWRITEFUNC read,SQUserPointer up,SQUserPointer dest,SQInteger size) -{ - if(size && read(up,dest,size) != size) { - v->Raise_Error(_SC("io error, read function failure, the origin stream could be corrupted/trucated")); - return false; - } - return true; -} - -bool WriteTag(HSQUIRRELVM v,SQWRITEFUNC write,SQUserPointer up,SQUnsignedInteger32 tag) -{ - return SafeWrite(v,write,up,&tag,sizeof(tag)); -} - -bool CheckTag(HSQUIRRELVM v,SQWRITEFUNC read,SQUserPointer up,SQUnsignedInteger32 tag) -{ - SQUnsignedInteger32 t; - _CHECK_IO(SafeRead(v,read,up,&t,sizeof(t))); - if(t != tag){ - v->Raise_Error(_SC("invalid or corrupted closure stream")); - return false; - } - return true; -} - -bool WriteObject(HSQUIRRELVM v,SQUserPointer up,SQWRITEFUNC write,SQObjectPtr &o) -{ - SQUnsignedInteger32 _type = (SQUnsignedInteger32)type(o); - _CHECK_IO(SafeWrite(v,write,up,&_type,sizeof(_type))); - switch(type(o)){ - case OT_STRING: - _CHECK_IO(SafeWrite(v,write,up,&_string(o)->_len,sizeof(SQInteger))); - _CHECK_IO(SafeWrite(v,write,up,_stringval(o),rsl(_string(o)->_len))); - break; - case OT_INTEGER: - _CHECK_IO(SafeWrite(v,write,up,&_integer(o),sizeof(SQInteger)));break; - case OT_FLOAT: - _CHECK_IO(SafeWrite(v,write,up,&_float(o),sizeof(SQFloat)));break; - case OT_NULL: - break; - default: - v->Raise_Error(_SC("cannot serialize a %s"),GetTypeName(o)); - return false; - } - return true; -} - -bool ReadObject(HSQUIRRELVM v,SQUserPointer up,SQREADFUNC read,SQObjectPtr &o) -{ - SQUnsignedInteger32 _type; - _CHECK_IO(SafeRead(v,read,up,&_type,sizeof(_type))); - SQObjectType t = (SQObjectType)_type; - switch(t){ - case OT_STRING:{ - SQInteger len; - _CHECK_IO(SafeRead(v,read,up,&len,sizeof(SQInteger))); - _CHECK_IO(SafeRead(v,read,up,_ss(v)->GetScratchPad(rsl(len)),rsl(len))); - o=SQString::Create(_ss(v),_ss(v)->GetScratchPad(-1),len); - } - break; - case OT_INTEGER:{ - SQInteger i; - _CHECK_IO(SafeRead(v,read,up,&i,sizeof(SQInteger))); o = i; break; - } - case OT_FLOAT:{ - SQFloat f; - _CHECK_IO(SafeRead(v,read,up,&f,sizeof(SQFloat))); o = f; break; - } - case OT_NULL: - o.Null(); - break; - default: - v->Raise_Error(_SC("cannot serialize a %s"),IdType2Name(t)); - return false; - } - return true; -} - -bool SQClosure::Save(SQVM *v,SQUserPointer up,SQWRITEFUNC write) -{ - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_HEAD)); - _CHECK_IO(WriteTag(v,write,up,sizeof(SQChar))); - _CHECK_IO(WriteTag(v,write,up,sizeof(SQInteger))); - _CHECK_IO(WriteTag(v,write,up,sizeof(SQFloat))); - _CHECK_IO(_function->Save(v,up,write)); - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_TAIL)); - return true; -} - -bool SQClosure::Load(SQVM *v,SQUserPointer up,SQREADFUNC read,SQObjectPtr &ret) -{ - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_HEAD)); - _CHECK_IO(CheckTag(v,read,up,sizeof(SQChar))); - _CHECK_IO(CheckTag(v,read,up,sizeof(SQInteger))); - _CHECK_IO(CheckTag(v,read,up,sizeof(SQFloat))); - SQObjectPtr func; - _CHECK_IO(SQFunctionProto::Load(v,up,read,func)); - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_TAIL)); - ret = SQClosure::Create(_ss(v),_funcproto(func)); - return true; -} - -SQFunctionProto::SQFunctionProto(SQSharedState *ss) -{ - _stacksize=0; - _bgenerator=false; - INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this); -} - -SQFunctionProto::~SQFunctionProto() -{ - REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this); -} - -bool SQFunctionProto::Save(SQVM *v,SQUserPointer up,SQWRITEFUNC write) -{ - SQInteger i,nliterals = _nliterals,nparameters = _nparameters; - SQInteger noutervalues = _noutervalues,nlocalvarinfos = _nlocalvarinfos; - SQInteger nlineinfos=_nlineinfos,ninstructions = _ninstructions,nfunctions=_nfunctions; - SQInteger ndefaultparams = _ndefaultparams; - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART)); - _CHECK_IO(WriteObject(v,up,write,_sourcename)); - _CHECK_IO(WriteObject(v,up,write,_name)); - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART)); - _CHECK_IO(SafeWrite(v,write,up,&nliterals,sizeof(nliterals))); - _CHECK_IO(SafeWrite(v,write,up,&nparameters,sizeof(nparameters))); - _CHECK_IO(SafeWrite(v,write,up,&noutervalues,sizeof(noutervalues))); - _CHECK_IO(SafeWrite(v,write,up,&nlocalvarinfos,sizeof(nlocalvarinfos))); - _CHECK_IO(SafeWrite(v,write,up,&nlineinfos,sizeof(nlineinfos))); - _CHECK_IO(SafeWrite(v,write,up,&ndefaultparams,sizeof(ndefaultparams))); - _CHECK_IO(SafeWrite(v,write,up,&ninstructions,sizeof(ninstructions))); - _CHECK_IO(SafeWrite(v,write,up,&nfunctions,sizeof(nfunctions))); - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART)); - for(i=0;i<nliterals;i++){ - _CHECK_IO(WriteObject(v,up,write,_literals[i])); - } - - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART)); - for(i=0;i<nparameters;i++){ - _CHECK_IO(WriteObject(v,up,write,_parameters[i])); - } - - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART)); - for(i=0;i<noutervalues;i++){ - _CHECK_IO(SafeWrite(v,write,up,&_outervalues[i]._type,sizeof(SQUnsignedInteger))); - _CHECK_IO(WriteObject(v,up,write,_outervalues[i]._src)); - _CHECK_IO(WriteObject(v,up,write,_outervalues[i]._name)); - } - - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART)); - for(i=0;i<nlocalvarinfos;i++){ - SQLocalVarInfo &lvi=_localvarinfos[i]; - _CHECK_IO(WriteObject(v,up,write,lvi._name)); - _CHECK_IO(SafeWrite(v,write,up,&lvi._pos,sizeof(SQUnsignedInteger))); - _CHECK_IO(SafeWrite(v,write,up,&lvi._start_op,sizeof(SQUnsignedInteger))); - _CHECK_IO(SafeWrite(v,write,up,&lvi._end_op,sizeof(SQUnsignedInteger))); - } - - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART)); - _CHECK_IO(SafeWrite(v,write,up,_lineinfos,sizeof(SQLineInfo)*nlineinfos)); - - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART)); - _CHECK_IO(SafeWrite(v,write,up,_defaultparams,sizeof(SQInteger)*ndefaultparams)); - - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART)); - _CHECK_IO(SafeWrite(v,write,up,_instructions,sizeof(SQInstruction)*ninstructions)); - - _CHECK_IO(WriteTag(v,write,up,SQ_CLOSURESTREAM_PART)); - for(i=0;i<nfunctions;i++){ - _CHECK_IO(_funcproto(_functions[i])->Save(v,up,write)); - } - _CHECK_IO(SafeWrite(v,write,up,&_stacksize,sizeof(_stacksize))); - _CHECK_IO(SafeWrite(v,write,up,&_bgenerator,sizeof(_bgenerator))); - _CHECK_IO(SafeWrite(v,write,up,&_varparams,sizeof(_varparams))); - return true; -} - -bool SQFunctionProto::Load(SQVM *v,SQUserPointer up,SQREADFUNC read,SQObjectPtr &ret) -{ - SQInteger i, nliterals,nparameters; - SQInteger noutervalues ,nlocalvarinfos ; - SQInteger nlineinfos,ninstructions ,nfunctions,ndefaultparams ; - SQObjectPtr sourcename, name; - SQObjectPtr o; - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART)); - _CHECK_IO(ReadObject(v, up, read, sourcename)); - _CHECK_IO(ReadObject(v, up, read, name)); - - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART)); - _CHECK_IO(SafeRead(v,read,up, &nliterals, sizeof(nliterals))); - _CHECK_IO(SafeRead(v,read,up, &nparameters, sizeof(nparameters))); - _CHECK_IO(SafeRead(v,read,up, &noutervalues, sizeof(noutervalues))); - _CHECK_IO(SafeRead(v,read,up, &nlocalvarinfos, sizeof(nlocalvarinfos))); - _CHECK_IO(SafeRead(v,read,up, &nlineinfos, sizeof(nlineinfos))); - _CHECK_IO(SafeRead(v,read,up, &ndefaultparams, sizeof(ndefaultparams))); - _CHECK_IO(SafeRead(v,read,up, &ninstructions, sizeof(ninstructions))); - _CHECK_IO(SafeRead(v,read,up, &nfunctions, sizeof(nfunctions))); - - - SQFunctionProto *f = SQFunctionProto::Create(_opt_ss(v),ninstructions,nliterals,nparameters, - nfunctions,noutervalues,nlineinfos,nlocalvarinfos,ndefaultparams); - SQObjectPtr proto = f; //gets a ref in case of failure - f->_sourcename = sourcename; - f->_name = name; - - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART)); - - for(i = 0;i < nliterals; i++){ - _CHECK_IO(ReadObject(v, up, read, o)); - f->_literals[i] = o; - } - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART)); - - for(i = 0; i < nparameters; i++){ - _CHECK_IO(ReadObject(v, up, read, o)); - f->_parameters[i] = o; - } - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART)); - - for(i = 0; i < noutervalues; i++){ - SQUnsignedInteger type; - SQObjectPtr name; - _CHECK_IO(SafeRead(v,read,up, &type, sizeof(SQUnsignedInteger))); - _CHECK_IO(ReadObject(v, up, read, o)); - _CHECK_IO(ReadObject(v, up, read, name)); - f->_outervalues[i] = SQOuterVar(name,o, (SQOuterType)type); - } - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART)); - - for(i = 0; i < nlocalvarinfos; i++){ - SQLocalVarInfo lvi; - _CHECK_IO(ReadObject(v, up, read, lvi._name)); - _CHECK_IO(SafeRead(v,read,up, &lvi._pos, sizeof(SQUnsignedInteger))); - _CHECK_IO(SafeRead(v,read,up, &lvi._start_op, sizeof(SQUnsignedInteger))); - _CHECK_IO(SafeRead(v,read,up, &lvi._end_op, sizeof(SQUnsignedInteger))); - f->_localvarinfos[i] = lvi; - } - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART)); - _CHECK_IO(SafeRead(v,read,up, f->_lineinfos, sizeof(SQLineInfo)*nlineinfos)); - - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART)); - _CHECK_IO(SafeRead(v,read,up, f->_defaultparams, sizeof(SQInteger)*ndefaultparams)); - - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART)); - _CHECK_IO(SafeRead(v,read,up, f->_instructions, sizeof(SQInstruction)*ninstructions)); - - _CHECK_IO(CheckTag(v,read,up,SQ_CLOSURESTREAM_PART)); - for(i = 0; i < nfunctions; i++){ - _CHECK_IO(_funcproto(o)->Load(v, up, read, o)); - f->_functions[i] = o; - } - _CHECK_IO(SafeRead(v,read,up, &f->_stacksize, sizeof(f->_stacksize))); - _CHECK_IO(SafeRead(v,read,up, &f->_bgenerator, sizeof(f->_bgenerator))); - _CHECK_IO(SafeRead(v,read,up, &f->_varparams, sizeof(f->_varparams))); - - ret = f; - return true; -} - -#ifndef NO_GARBAGE_COLLECTOR - -#define START_MARK() if(!(_uiRef&MARK_FLAG)){ \ - _uiRef|=MARK_FLAG; - -#define END_MARK() RemoveFromChain(&_sharedstate->_gc_chain, this); \ - AddToChain(chain, this); } - -void SQVM::Mark(SQCollectable **chain) -{ - START_MARK() - SQSharedState::MarkObject(_lasterror,chain); - SQSharedState::MarkObject(_errorhandler,chain); - SQSharedState::MarkObject(_debughook_closure,chain); - SQSharedState::MarkObject(_roottable, chain); - SQSharedState::MarkObject(temp_reg, chain); - for(SQUnsignedInteger i = 0; i < _stack.size(); i++) SQSharedState::MarkObject(_stack[i], chain); - for(SQInteger k = 0; k < _callsstacksize; k++) SQSharedState::MarkObject(_callsstack[k]._closure, chain); - END_MARK() -} - -void SQArray::Mark(SQCollectable **chain) -{ - START_MARK() - SQInteger len = _values.size(); - for(SQInteger i = 0;i < len; i++) SQSharedState::MarkObject(_values[i], chain); - END_MARK() -} -void SQTable::Mark(SQCollectable **chain) -{ - START_MARK() - if(_delegate) _delegate->Mark(chain); - SQInteger len = _numofnodes; - for(SQInteger i = 0; i < len; i++){ - SQSharedState::MarkObject(_nodes[i].key, chain); - SQSharedState::MarkObject(_nodes[i].val, chain); - } - END_MARK() -} - -void SQClass::Mark(SQCollectable **chain) -{ - START_MARK() - _members->Mark(chain); - if(_base) _base->Mark(chain); - SQSharedState::MarkObject(_attributes, chain); - for(SQUnsignedInteger i =0; i< _defaultvalues.size(); i++) { - SQSharedState::MarkObject(_defaultvalues[i].val, chain); - SQSharedState::MarkObject(_defaultvalues[i].attrs, chain); - } - for(SQUnsignedInteger j =0; j< _methods.size(); j++) { - SQSharedState::MarkObject(_methods[j].val, chain); - SQSharedState::MarkObject(_methods[j].attrs, chain); - } - for(SQUnsignedInteger k =0; k< MT_LAST; k++) { - SQSharedState::MarkObject(_metamethods[k], chain); - } - END_MARK() -} - -void SQInstance::Mark(SQCollectable **chain) -{ - START_MARK() - _class->Mark(chain); - SQUnsignedInteger nvalues = _class->_defaultvalues.size(); - for(SQUnsignedInteger i =0; i< nvalues; i++) { - SQSharedState::MarkObject(_values[i], chain); - } - END_MARK() -} - -void SQGenerator::Mark(SQCollectable **chain) -{ - START_MARK() - for(SQUnsignedInteger i = 0; i < _stack.size(); i++) SQSharedState::MarkObject(_stack[i], chain); - SQSharedState::MarkObject(_closure, chain); - END_MARK() -} - -void SQFunctionProto::Mark(SQCollectable **chain) -{ - START_MARK() - for(SQInteger i = 0; i < _nliterals; i++) SQSharedState::MarkObject(_literals[i], chain); - for(SQInteger k = 0; k < _nfunctions; k++) SQSharedState::MarkObject(_functions[k], chain); - END_MARK() -} - -void SQClosure::Mark(SQCollectable **chain) -{ - START_MARK() - if(_base) _base->Mark(chain); - SQFunctionProto *fp = _function; - fp->Mark(chain); - for(SQInteger i = 0; i < fp->_noutervalues; i++) SQSharedState::MarkObject(_outervalues[i], chain); - for(SQInteger k = 0; k < fp->_ndefaultparams; k++) SQSharedState::MarkObject(_defaultparams[k], chain); - END_MARK() -} - -void SQNativeClosure::Mark(SQCollectable **chain) -{ - START_MARK() - for(SQUnsignedInteger i = 0; i < _noutervalues; i++) SQSharedState::MarkObject(_outervalues[i], chain); - END_MARK() -} - -void SQOuter::Mark(SQCollectable **chain) -{ - START_MARK() - /* If the valptr points to a closed value, that value is alive */ - if(_valptr == &_value) { - SQSharedState::MarkObject(_value, chain); - } - END_MARK() -} - -void SQUserData::Mark(SQCollectable **chain){ - START_MARK() - if(_delegate) _delegate->Mark(chain); - END_MARK() -} - -void SQCollectable::UnMark() { _uiRef&=~MARK_FLAG; } - -#endif - diff --git a/squirrel_3_0_1_stable/squirrel/sqobject.h b/squirrel_3_0_1_stable/squirrel/sqobject.h deleted file mode 100644 index 2b85e24c3..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqobject.h +++ /dev/null @@ -1,354 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQOBJECT_H_ -#define _SQOBJECT_H_ - -#include "squtils.h" - -#ifdef _SQ64 -#define UINT_MINUS_ONE (0xFFFFFFFFFFFFFFFF) -#else -#define UINT_MINUS_ONE (0xFFFFFFFF) -#endif - -#define SQ_CLOSURESTREAM_HEAD (('S'<<24)|('Q'<<16)|('I'<<8)|('R')) -#define SQ_CLOSURESTREAM_PART (('P'<<24)|('A'<<16)|('R'<<8)|('T')) -#define SQ_CLOSURESTREAM_TAIL (('T'<<24)|('A'<<16)|('I'<<8)|('L')) - -struct SQSharedState; - -enum SQMetaMethod{ - MT_ADD=0, - MT_SUB=1, - MT_MUL=2, - MT_DIV=3, - MT_UNM=4, - MT_MODULO=5, - MT_SET=6, - MT_GET=7, - MT_TYPEOF=8, - MT_NEXTI=9, - MT_CMP=10, - MT_CALL=11, - MT_CLONED=12, - MT_NEWSLOT=13, - MT_DELSLOT=14, - MT_TOSTRING=15, - MT_NEWMEMBER=16, - MT_INHERITED=17, - MT_LAST = 18 -}; - -#define MM_ADD _SC("_add") -#define MM_SUB _SC("_sub") -#define MM_MUL _SC("_mul") -#define MM_DIV _SC("_div") -#define MM_UNM _SC("_unm") -#define MM_MODULO _SC("_modulo") -#define MM_SET _SC("_set") -#define MM_GET _SC("_get") -#define MM_TYPEOF _SC("_typeof") -#define MM_NEXTI _SC("_nexti") -#define MM_CMP _SC("_cmp") -#define MM_CALL _SC("_call") -#define MM_CLONED _SC("_cloned") -#define MM_NEWSLOT _SC("_newslot") -#define MM_DELSLOT _SC("_delslot") -#define MM_TOSTRING _SC("_tostring") -#define MM_NEWMEMBER _SC("_newmember") -#define MM_INHERITED _SC("_inherited") - - -#define _CONSTRUCT_VECTOR(type,size,ptr) { \ - for(SQInteger n = 0; n < ((SQInteger)size); n++) { \ - new (&ptr[n]) type(); \ - } \ -} - -#define _DESTRUCT_VECTOR(type,size,ptr) { \ - for(SQInteger nl = 0; nl < ((SQInteger)size); nl++) { \ - ptr[nl].~type(); \ - } \ -} - -#define _COPY_VECTOR(dest,src,size) { \ - for(SQInteger _n_ = 0; _n_ < ((SQInteger)size); _n_++) { \ - dest[_n_] = src[_n_]; \ - } \ -} - -#define _NULL_SQOBJECT_VECTOR(vec,size) { \ - for(SQInteger _n_ = 0; _n_ < ((SQInteger)size); _n_++) { \ - vec[_n_].Null(); \ - } \ -} - -#define MINPOWER2 4 - -struct SQRefCounted -{ - SQUnsignedInteger _uiRef; - struct SQWeakRef *_weakref; - SQRefCounted() { _uiRef = 0; _weakref = NULL; } - virtual ~SQRefCounted(); - SQWeakRef *GetWeakRef(SQObjectType type); - virtual void Release()=0; - -}; - -struct SQWeakRef : SQRefCounted -{ - void Release(); - SQObject _obj; -}; - -#define _realval(o) (type((o)) != OT_WEAKREF?(SQObject)o:_weakref(o)->_obj) - -struct SQObjectPtr; - -#define __AddRef(type,unval) if(ISREFCOUNTED(type)) \ - { \ - unval.pRefCounted->_uiRef++; \ - } - -#define __Release(type,unval) if(ISREFCOUNTED(type) && ((--unval.pRefCounted->_uiRef)==0)) \ - { \ - unval.pRefCounted->Release(); \ - } - -#define __ObjRelease(obj) { \ - if((obj)) { \ - (obj)->_uiRef--; \ - if((obj)->_uiRef == 0) \ - (obj)->Release(); \ - (obj) = NULL; \ - } \ -} - -#define __ObjAddRef(obj) { \ - (obj)->_uiRef++; \ -} - -#define type(obj) ((obj)._type) -#define is_delegable(t) (type(t)&SQOBJECT_DELEGABLE) -#define raw_type(obj) _RAW_TYPE((obj)._type) - -#define _integer(obj) ((obj)._unVal.nInteger) -#define _float(obj) ((obj)._unVal.fFloat) -#define _string(obj) ((obj)._unVal.pString) -#define _table(obj) ((obj)._unVal.pTable) -#define _array(obj) ((obj)._unVal.pArray) -#define _closure(obj) ((obj)._unVal.pClosure) -#define _generator(obj) ((obj)._unVal.pGenerator) -#define _nativeclosure(obj) ((obj)._unVal.pNativeClosure) -#define _userdata(obj) ((obj)._unVal.pUserData) -#define _userpointer(obj) ((obj)._unVal.pUserPointer) -#define _thread(obj) ((obj)._unVal.pThread) -#define _funcproto(obj) ((obj)._unVal.pFunctionProto) -#define _class(obj) ((obj)._unVal.pClass) -#define _instance(obj) ((obj)._unVal.pInstance) -#define _delegable(obj) ((SQDelegable *)(obj)._unVal.pDelegable) -#define _weakref(obj) ((obj)._unVal.pWeakRef) -#define _outer(obj) ((obj)._unVal.pOuter) -#define _refcounted(obj) ((obj)._unVal.pRefCounted) -#define _rawval(obj) ((obj)._unVal.raw) - -#define _stringval(obj) (obj)._unVal.pString->_val -#define _userdataval(obj) ((SQUserPointer)sq_aligning((obj)._unVal.pUserData + 1)) - -#define tofloat(num) ((type(num)==OT_INTEGER)?(SQFloat)_integer(num):_float(num)) -#define tointeger(num) ((type(num)==OT_FLOAT)?(SQInteger)_float(num):_integer(num)) -///////////////////////////////////////////////////////////////////////////////////// -///////////////////////////////////////////////////////////////////////////////////// -#if defined(SQUSEDOUBLE) && !defined(_SQ64) || !defined(SQUSEDOUBLE) && defined(_SQ64) -#define SQ_REFOBJECT_INIT() SQ_OBJECT_RAWINIT() -#else -#define SQ_REFOBJECT_INIT() -#endif - -#define _REF_TYPE_DECL(type,_class,sym) \ - SQObjectPtr(_class * x) \ - { \ - SQ_OBJECT_RAWINIT() \ - _type=type; \ - _unVal.sym = x; \ - assert(_unVal.pTable); \ - _unVal.pRefCounted->_uiRef++; \ - } \ - inline SQObjectPtr& operator=(_class *x) \ - { \ - SQObjectType tOldType; \ - SQObjectValue unOldVal; \ - tOldType=_type; \ - unOldVal=_unVal; \ - _type = type; \ - SQ_REFOBJECT_INIT() \ - _unVal.sym = x; \ - _unVal.pRefCounted->_uiRef++; \ - __Release(tOldType,unOldVal); \ - return *this; \ - } - -#define _SCALAR_TYPE_DECL(type,_class,sym) \ - SQObjectPtr(_class x) \ - { \ - SQ_OBJECT_RAWINIT() \ - _type=type; \ - _unVal.sym = x; \ - } \ - inline SQObjectPtr& operator=(_class x) \ - { \ - __Release(_type,_unVal); \ - _type = type; \ - SQ_OBJECT_RAWINIT() \ - _unVal.sym = x; \ - return *this; \ - } -struct SQObjectPtr : public SQObject -{ - SQObjectPtr() - { - SQ_OBJECT_RAWINIT() - _type=OT_NULL; - _unVal.pUserPointer=NULL; - } - SQObjectPtr(const SQObjectPtr &o) - { - //SQ_OBJECT_RAWINIT() - _type=o._type; - _unVal=o._unVal; - __AddRef(_type,_unVal); - } - SQObjectPtr(const SQObject &o) - { - //SQ_OBJECT_RAWINIT() - _type=o._type; - _unVal=o._unVal; - __AddRef(_type,_unVal); - } - _REF_TYPE_DECL(OT_TABLE,SQTable,pTable) - _REF_TYPE_DECL(OT_CLASS,SQClass,pClass) - _REF_TYPE_DECL(OT_INSTANCE,SQInstance,pInstance) - _REF_TYPE_DECL(OT_ARRAY,SQArray,pArray) - _REF_TYPE_DECL(OT_CLOSURE,SQClosure,pClosure) - _REF_TYPE_DECL(OT_NATIVECLOSURE,SQNativeClosure,pNativeClosure) - _REF_TYPE_DECL(OT_OUTER,SQOuter,pOuter) - _REF_TYPE_DECL(OT_GENERATOR,SQGenerator,pGenerator) - _REF_TYPE_DECL(OT_STRING,SQString,pString) - _REF_TYPE_DECL(OT_USERDATA,SQUserData,pUserData) - _REF_TYPE_DECL(OT_WEAKREF,SQWeakRef,pWeakRef) - _REF_TYPE_DECL(OT_THREAD,SQVM,pThread) - _REF_TYPE_DECL(OT_FUNCPROTO,SQFunctionProto,pFunctionProto) - - _SCALAR_TYPE_DECL(OT_INTEGER,SQInteger,nInteger) - _SCALAR_TYPE_DECL(OT_FLOAT,SQFloat,fFloat) - _SCALAR_TYPE_DECL(OT_USERPOINTER,SQUserPointer,pUserPointer) - - SQObjectPtr(bool bBool) - { - SQ_OBJECT_RAWINIT() - _type = OT_BOOL; - _unVal.nInteger = bBool?1:0; - } - inline SQObjectPtr& operator=(bool b) - { - __Release(_type,_unVal); - SQ_OBJECT_RAWINIT() - _type = OT_BOOL; - _unVal.nInteger = b?1:0; - return *this; - } - - ~SQObjectPtr() - { - __Release(_type,_unVal); - } - - inline SQObjectPtr& operator=(const SQObjectPtr& obj) - { - SQObjectType tOldType; - SQObjectValue unOldVal; - tOldType=_type; - unOldVal=_unVal; - _unVal = obj._unVal; - _type = obj._type; - __AddRef(_type,_unVal); - __Release(tOldType,unOldVal); - return *this; - } - inline SQObjectPtr& operator=(const SQObject& obj) - { - SQObjectType tOldType; - SQObjectValue unOldVal; - tOldType=_type; - unOldVal=_unVal; - _unVal = obj._unVal; - _type = obj._type; - __AddRef(_type,_unVal); - __Release(tOldType,unOldVal); - return *this; - } - inline void Null() - { - __Release(_type ,_unVal); - _type = OT_NULL; - _unVal.raw = NULL; - } - private: - SQObjectPtr(const SQChar *){} //safety -}; - - -inline void _Swap(SQObject &a,SQObject &b) -{ - SQObjectType tOldType = a._type; - SQObjectValue unOldVal = a._unVal; - a._type = b._type; - a._unVal = b._unVal; - b._type = tOldType; - b._unVal = unOldVal; -} - -///////////////////////////////////////////////////////////////////////////////////// -#ifndef NO_GARBAGE_COLLECTOR -#define MARK_FLAG 0x80000000 -struct SQCollectable : public SQRefCounted { - SQCollectable *_next; - SQCollectable *_prev; - SQSharedState *_sharedstate; - virtual SQObjectType GetType()=0; - virtual void Release()=0; - virtual void Mark(SQCollectable **chain)=0; - void UnMark(); - virtual void Finalize()=0; - static void AddToChain(SQCollectable **chain,SQCollectable *c); - static void RemoveFromChain(SQCollectable **chain,SQCollectable *c); -}; - - -#define ADD_TO_CHAIN(chain,obj) AddToChain(chain,obj) -#define REMOVE_FROM_CHAIN(chain,obj) {if(!(_uiRef&MARK_FLAG))RemoveFromChain(chain,obj);} -#define CHAINABLE_OBJ SQCollectable -#define INIT_CHAIN() {_next=NULL;_prev=NULL;_sharedstate=ss;} -#else - -#define ADD_TO_CHAIN(chain,obj) ((void)0) -#define REMOVE_FROM_CHAIN(chain,obj) ((void)0) -#define CHAINABLE_OBJ SQRefCounted -#define INIT_CHAIN() ((void)0) -#endif - -struct SQDelegable : public CHAINABLE_OBJ { - bool SetDelegate(SQTable *m); - virtual bool GetMetaMethod(SQVM *v,SQMetaMethod mm,SQObjectPtr &res); - SQTable *_delegate; -}; - -SQUnsignedInteger TranslateIndex(const SQObjectPtr &idx); -typedef sqvector<SQObjectPtr> SQObjectPtrVec; -typedef sqvector<SQInteger> SQIntVec; -const SQChar *GetTypeName(const SQObjectPtr &obj1); -const SQChar *IdType2Name(SQObjectType type); - - - -#endif //_SQOBJECT_H_ diff --git a/squirrel_3_0_1_stable/squirrel/sqopcodes.h b/squirrel_3_0_1_stable/squirrel/sqopcodes.h deleted file mode 100644 index f5f5697c9..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqopcodes.h +++ /dev/null @@ -1,132 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQOPCODES_H_ -#define _SQOPCODES_H_ - -#define MAX_FUNC_STACKSIZE 0xFF -#define MAX_LITERALS ((SQInteger)0x7FFFFFFF) - -enum BitWiseOP { - BW_AND = 0, - BW_OR = 2, - BW_XOR = 3, - BW_SHIFTL = 4, - BW_SHIFTR = 5, - BW_USHIFTR = 6 -}; - -enum CmpOP { - CMP_G = 0, - CMP_GE = 2, - CMP_L = 3, - CMP_LE = 4, - CMP_3W = 5 -}; - -enum NewObjectType { - NOT_TABLE = 0, - NOT_ARRAY = 1, - NOT_CLASS = 2 -}; - -enum AppendArrayType { - AAT_STACK = 0, - AAT_LITERAL = 1, - AAT_INT = 2, - AAT_FLOAT = 3, - AAT_BOOL = 4 -}; - -enum SQOpcode -{ - _OP_LINE= 0x00, - _OP_LOAD= 0x01, - _OP_LOADINT= 0x02, - _OP_LOADFLOAT= 0x03, - _OP_DLOAD= 0x04, - _OP_TAILCALL= 0x05, - _OP_CALL= 0x06, - _OP_PREPCALL= 0x07, - _OP_PREPCALLK= 0x08, - _OP_GETK= 0x09, - _OP_MOVE= 0x0A, - _OP_NEWSLOT= 0x0B, - _OP_DELETE= 0x0C, - _OP_SET= 0x0D, - _OP_GET= 0x0E, - _OP_EQ= 0x0F, - _OP_NE= 0x10, - _OP_ADD= 0x11, - _OP_SUB= 0x12, - _OP_MUL= 0x13, - _OP_DIV= 0x14, - _OP_MOD= 0x15, - _OP_BITW= 0x16, - _OP_RETURN= 0x17, - _OP_LOADNULLS= 0x18, - _OP_LOADROOT= 0x19, - _OP_LOADBOOL= 0x1A, - _OP_DMOVE= 0x1B, - _OP_JMP= 0x1C, - //_OP_JNZ= 0x1D, - _OP_JCMP= 0x1D, - _OP_JZ= 0x1E, - _OP_SETOUTER= 0x1F, - _OP_GETOUTER= 0x20, - _OP_NEWOBJ= 0x21, - _OP_APPENDARRAY= 0x22, - _OP_COMPARITH= 0x23, - _OP_INC= 0x24, - _OP_INCL= 0x25, - _OP_PINC= 0x26, - _OP_PINCL= 0x27, - _OP_CMP= 0x28, - _OP_EXISTS= 0x29, - _OP_INSTANCEOF= 0x2A, - _OP_AND= 0x2B, - _OP_OR= 0x2C, - _OP_NEG= 0x2D, - _OP_NOT= 0x2E, - _OP_BWNOT= 0x2F, - _OP_CLOSURE= 0x30, - _OP_YIELD= 0x31, - _OP_RESUME= 0x32, - _OP_FOREACH= 0x33, - _OP_POSTFOREACH= 0x34, - _OP_CLONE= 0x35, - _OP_TYPEOF= 0x36, - _OP_PUSHTRAP= 0x37, - _OP_POPTRAP= 0x38, - _OP_THROW= 0x39, - _OP_NEWSLOTA= 0x3A, - _OP_GETBASE= 0x3B, - _OP_CLOSE= 0x3C, -}; - -struct SQInstructionDesc { - const SQChar *name; -}; - -struct SQInstruction -{ - SQInstruction(){}; - SQInstruction(SQOpcode _op,SQInteger a0=0,SQInteger a1=0,SQInteger a2=0,SQInteger a3=0) - { op = _op; - _arg0 = (unsigned char)a0;_arg1 = (SQInt32)a1; - _arg2 = (unsigned char)a2;_arg3 = (unsigned char)a3; - } - - - SQInt32 _arg1; - unsigned char op; - unsigned char _arg0; - unsigned char _arg2; - unsigned char _arg3; -}; - -#include "squtils.h" -typedef sqvector<SQInstruction> SQInstructionVec; - -#define NEW_SLOT_ATTRIBUTES_FLAG 0x01 -#define NEW_SLOT_STATIC_FLAG 0x02 - -#endif // _SQOPCODES_H_ diff --git a/squirrel_3_0_1_stable/squirrel/sqpcheader.h b/squirrel_3_0_1_stable/squirrel/sqpcheader.h deleted file mode 100644 index a3fb037e4..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqpcheader.h +++ /dev/null @@ -1,19 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQPCHEADER_H_ -#define _SQPCHEADER_H_ - -#if defined(_MSC_VER) && defined(_DEBUG) -#include <crtdbg.h> -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <new> -//squirrel stuff -#include <squirrel.h> -#include "sqobject.h" -#include "sqstate.h" - -#endif //_SQPCHEADER_H_ diff --git a/squirrel_3_0_1_stable/squirrel/sqstate.cpp b/squirrel_3_0_1_stable/squirrel/sqstate.cpp deleted file mode 100644 index 8e77900f3..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqstate.cpp +++ /dev/null @@ -1,648 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#include "sqopcodes.h" -#include "sqvm.h" -#include "sqfuncproto.h" -#include "sqclosure.h" -#include "sqstring.h" -#include "sqtable.h" -#include "sqarray.h" -#include "squserdata.h" -#include "sqclass.h" - -//SQObjectPtr _null_; -//SQObjectPtr _true_(true); -//SQObjectPtr _false_(false); -//SQObjectPtr _one_((SQInteger)1); -//SQObjectPtr _minusone_((SQInteger)-1); - -SQSharedState::SQSharedState() -{ - _compilererrorhandler = NULL; - _printfunc = NULL; - _errorfunc = NULL; - _debuginfo = false; - _notifyallexceptions = false; -} - -#define newsysstring(s) { \ - _systemstrings->push_back(SQString::Create(this,s)); \ - } - -#define newmetamethod(s) { \ - _metamethods->push_back(SQString::Create(this,s)); \ - _table(_metamethodsmap)->NewSlot(_metamethods->back(),(SQInteger)(_metamethods->size()-1)); \ - } - -bool CompileTypemask(SQIntVec &res,const SQChar *typemask) -{ - SQInteger i = 0; - - SQInteger mask = 0; - while(typemask[i] != 0) { - - switch(typemask[i]){ - case 'o': mask |= _RT_NULL; break; - case 'i': mask |= _RT_INTEGER; break; - case 'f': mask |= _RT_FLOAT; break; - case 'n': mask |= (_RT_FLOAT | _RT_INTEGER); break; - case 's': mask |= _RT_STRING; break; - case 't': mask |= _RT_TABLE; break; - case 'a': mask |= _RT_ARRAY; break; - case 'u': mask |= _RT_USERDATA; break; - case 'c': mask |= (_RT_CLOSURE | _RT_NATIVECLOSURE); break; - case 'b': mask |= _RT_BOOL; break; - case 'g': mask |= _RT_GENERATOR; break; - case 'p': mask |= _RT_USERPOINTER; break; - case 'v': mask |= _RT_THREAD; break; - case 'x': mask |= _RT_INSTANCE; break; - case 'y': mask |= _RT_CLASS; break; - case 'r': mask |= _RT_WEAKREF; break; - case '.': mask = -1; res.push_back(mask); i++; mask = 0; continue; - case ' ': i++; continue; //ignores spaces - default: - return false; - } - i++; - if(typemask[i] == '|') { - i++; - if(typemask[i] == 0) - return false; - continue; - } - res.push_back(mask); - mask = 0; - - } - return true; -} - -SQTable *CreateDefaultDelegate(SQSharedState *ss,SQRegFunction *funcz) -{ - SQInteger i=0; - SQTable *t=SQTable::Create(ss,0); - while(funcz[i].name!=0){ - SQNativeClosure *nc = SQNativeClosure::Create(ss,funcz[i].f,0); - nc->_nparamscheck = funcz[i].nparamscheck; - nc->_name = SQString::Create(ss,funcz[i].name); - if(funcz[i].typemask && !CompileTypemask(nc->_typecheck,funcz[i].typemask)) - return NULL; - t->NewSlot(SQString::Create(ss,funcz[i].name),nc); - i++; - } - return t; -} - -void SQSharedState::Init() -{ - _scratchpad=NULL; - _scratchpadsize=0; -#ifndef NO_GARBAGE_COLLECTOR - _gc_chain=NULL; -#endif - _stringtable = (SQStringTable*)SQ_MALLOC(sizeof(SQStringTable)); - new (_stringtable) SQStringTable(this); - sq_new(_metamethods,SQObjectPtrVec); - sq_new(_systemstrings,SQObjectPtrVec); - sq_new(_types,SQObjectPtrVec); - _metamethodsmap = SQTable::Create(this,MT_LAST-1); - //adding type strings to avoid memory trashing - //types names - newsysstring(_SC("null")); - newsysstring(_SC("table")); - newsysstring(_SC("array")); - newsysstring(_SC("closure")); - newsysstring(_SC("string")); - newsysstring(_SC("userdata")); - newsysstring(_SC("integer")); - newsysstring(_SC("float")); - newsysstring(_SC("userpointer")); - newsysstring(_SC("function")); - newsysstring(_SC("generator")); - newsysstring(_SC("thread")); - newsysstring(_SC("class")); - newsysstring(_SC("instance")); - newsysstring(_SC("bool")); - //meta methods - newmetamethod(MM_ADD); - newmetamethod(MM_SUB); - newmetamethod(MM_MUL); - newmetamethod(MM_DIV); - newmetamethod(MM_UNM); - newmetamethod(MM_MODULO); - newmetamethod(MM_SET); - newmetamethod(MM_GET); - newmetamethod(MM_TYPEOF); - newmetamethod(MM_NEXTI); - newmetamethod(MM_CMP); - newmetamethod(MM_CALL); - newmetamethod(MM_CLONED); - newmetamethod(MM_NEWSLOT); - newmetamethod(MM_DELSLOT); - newmetamethod(MM_TOSTRING); - newmetamethod(MM_NEWMEMBER); - newmetamethod(MM_INHERITED); - - _constructoridx = SQString::Create(this,_SC("constructor")); - _registry = SQTable::Create(this,0); - _consts = SQTable::Create(this,0); - _table_default_delegate = CreateDefaultDelegate(this,_table_default_delegate_funcz); - _array_default_delegate = CreateDefaultDelegate(this,_array_default_delegate_funcz); - _string_default_delegate = CreateDefaultDelegate(this,_string_default_delegate_funcz); - _number_default_delegate = CreateDefaultDelegate(this,_number_default_delegate_funcz); - _closure_default_delegate = CreateDefaultDelegate(this,_closure_default_delegate_funcz); - _generator_default_delegate = CreateDefaultDelegate(this,_generator_default_delegate_funcz); - _thread_default_delegate = CreateDefaultDelegate(this,_thread_default_delegate_funcz); - _class_default_delegate = CreateDefaultDelegate(this,_class_default_delegate_funcz); - _instance_default_delegate = CreateDefaultDelegate(this,_instance_default_delegate_funcz); - _weakref_default_delegate = CreateDefaultDelegate(this,_weakref_default_delegate_funcz); - -} - -SQSharedState::~SQSharedState() -{ - _constructoridx.Null(); - _table(_registry)->Finalize(); - _table(_consts)->Finalize(); - _table(_metamethodsmap)->Finalize(); - _registry.Null(); - _consts.Null(); - _metamethodsmap.Null(); - while(!_systemstrings->empty()) { - _systemstrings->back().Null(); - _systemstrings->pop_back(); - } - _thread(_root_vm)->Finalize(); - _root_vm.Null(); - _table_default_delegate.Null(); - _array_default_delegate.Null(); - _string_default_delegate.Null(); - _number_default_delegate.Null(); - _closure_default_delegate.Null(); - _generator_default_delegate.Null(); - _thread_default_delegate.Null(); - _class_default_delegate.Null(); - _instance_default_delegate.Null(); - _weakref_default_delegate.Null(); - _refs_table.Finalize(); -#ifndef NO_GARBAGE_COLLECTOR - SQCollectable *t = _gc_chain; - SQCollectable *nx = NULL; - while(t) { - t->_uiRef++; - t->Finalize(); - nx = t->_next; - if(--t->_uiRef == 0) - t->Release(); - t=nx; - } - assert(_gc_chain==NULL); //just to proove a theory - while(_gc_chain){ - _gc_chain->_uiRef++; - _gc_chain->Release(); - } -#endif - - sq_delete(_types,SQObjectPtrVec); - sq_delete(_systemstrings,SQObjectPtrVec); - sq_delete(_metamethods,SQObjectPtrVec); - sq_delete(_stringtable,SQStringTable); - if(_scratchpad)SQ_FREE(_scratchpad,_scratchpadsize); -} - - -SQInteger SQSharedState::GetMetaMethodIdxByName(const SQObjectPtr &name) -{ - if(type(name) != OT_STRING) - return -1; - SQObjectPtr ret; - if(_table(_metamethodsmap)->Get(name,ret)) { - return _integer(ret); - } - return -1; -} - -#ifndef NO_GARBAGE_COLLECTOR - -void SQSharedState::MarkObject(SQObjectPtr &o,SQCollectable **chain) -{ - switch(type(o)){ - case OT_TABLE:_table(o)->Mark(chain);break; - case OT_ARRAY:_array(o)->Mark(chain);break; - case OT_USERDATA:_userdata(o)->Mark(chain);break; - case OT_CLOSURE:_closure(o)->Mark(chain);break; - case OT_NATIVECLOSURE:_nativeclosure(o)->Mark(chain);break; - case OT_GENERATOR:_generator(o)->Mark(chain);break; - case OT_THREAD:_thread(o)->Mark(chain);break; - case OT_CLASS:_class(o)->Mark(chain);break; - case OT_INSTANCE:_instance(o)->Mark(chain);break; - case OT_OUTER:_outer(o)->Mark(chain);break; - case OT_FUNCPROTO:_funcproto(o)->Mark(chain);break; - default: break; //shutup compiler - } -} - - -void SQSharedState::RunMark(SQVM *vm,SQCollectable **tchain) -{ - SQVM *vms = _thread(_root_vm); - - vms->Mark(tchain); - - _refs_table.Mark(tchain); - MarkObject(_registry,tchain); - MarkObject(_consts,tchain); - MarkObject(_metamethodsmap,tchain); - MarkObject(_table_default_delegate,tchain); - MarkObject(_array_default_delegate,tchain); - MarkObject(_string_default_delegate,tchain); - MarkObject(_number_default_delegate,tchain); - MarkObject(_generator_default_delegate,tchain); - MarkObject(_thread_default_delegate,tchain); - MarkObject(_closure_default_delegate,tchain); - MarkObject(_class_default_delegate,tchain); - MarkObject(_instance_default_delegate,tchain); - MarkObject(_weakref_default_delegate,tchain); - -} - -SQInteger SQSharedState::ResurrectUnreachable(SQVM *vm) -{ - SQInteger n=0; - SQCollectable *tchain=NULL; - - RunMark(vm,&tchain); - - SQCollectable *resurrected = _gc_chain; - SQCollectable *t = resurrected; - //SQCollectable *nx = NULL; - - _gc_chain = tchain; - - SQArray *ret = NULL; - if(resurrected) { - ret = SQArray::Create(this,0); - SQCollectable *rlast = NULL; - while(t) { - rlast = t; - SQObjectType type = t->GetType(); - if(type != OT_FUNCPROTO && type != OT_OUTER) { - SQObject sqo; - sqo._type = type; - sqo._unVal.pRefCounted = t; - ret->Append(sqo); - } - t = t->_next; - n++; - } - - assert(rlast->_next == NULL); - rlast->_next = _gc_chain; - if(_gc_chain) - { - _gc_chain->_prev = rlast; - } - _gc_chain = resurrected; - } - - t = _gc_chain; - while(t) { - t->UnMark(); - t = t->_next; - } - - if(ret) { - SQObjectPtr temp = ret; - vm->Push(temp); - } - else { - vm->PushNull(); - } - return n; -} - -SQInteger SQSharedState::CollectGarbage(SQVM *vm) -{ - SQInteger n=0; - SQCollectable *tchain=NULL; - - RunMark(vm,&tchain); - - SQCollectable *t = _gc_chain; - SQCollectable *nx = NULL; - while(t) { - t->_uiRef++; - t->Finalize(); - nx = t->_next; - if(--t->_uiRef == 0) - t->Release(); - t = nx; - n++; - } - - t = tchain; - while(t) { - t->UnMark(); - t = t->_next; - } - _gc_chain = tchain; - - return n; -} -#endif - -#ifndef NO_GARBAGE_COLLECTOR -void SQCollectable::AddToChain(SQCollectable **chain,SQCollectable *c) -{ - c->_prev = NULL; - c->_next = *chain; - if(*chain) (*chain)->_prev = c; - *chain = c; -} - -void SQCollectable::RemoveFromChain(SQCollectable **chain,SQCollectable *c) -{ - if(c->_prev) c->_prev->_next = c->_next; - else *chain = c->_next; - if(c->_next) - c->_next->_prev = c->_prev; - c->_next = NULL; - c->_prev = NULL; -} -#endif - -SQChar* SQSharedState::GetScratchPad(SQInteger size) -{ - SQInteger newsize; - if(size>0) { - if(_scratchpadsize < size) { - newsize = size + (size>>1); - _scratchpad = (SQChar *)SQ_REALLOC(_scratchpad,_scratchpadsize,newsize); - _scratchpadsize = newsize; - - }else if(_scratchpadsize >= (size<<5)) { - newsize = _scratchpadsize >> 1; - _scratchpad = (SQChar *)SQ_REALLOC(_scratchpad,_scratchpadsize,newsize); - _scratchpadsize = newsize; - } - } - return _scratchpad; -} - -RefTable::RefTable() -{ - AllocNodes(4); -} - -void RefTable::Finalize() -{ - RefNode *nodes = _nodes; - for(SQUnsignedInteger n = 0; n < _numofslots; n++) { - nodes->obj.Null(); - nodes++; - } -} - -RefTable::~RefTable() -{ - SQ_FREE(_buckets,(_numofslots * sizeof(RefNode *)) + (_numofslots * sizeof(RefNode))); -} - -#ifndef NO_GARBAGE_COLLECTOR -void RefTable::Mark(SQCollectable **chain) -{ - RefNode *nodes = (RefNode *)_nodes; - for(SQUnsignedInteger n = 0; n < _numofslots; n++) { - if(type(nodes->obj) != OT_NULL) { - SQSharedState::MarkObject(nodes->obj,chain); - } - nodes++; - } -} -#endif - -void RefTable::AddRef(SQObject &obj) -{ - SQHash mainpos; - RefNode *prev; - RefNode *ref = Get(obj,mainpos,&prev,true); - ref->refs++; -} - -SQUnsignedInteger RefTable::GetRefCount(SQObject &obj) -{ - SQHash mainpos; - RefNode *prev; - RefNode *ref = Get(obj,mainpos,&prev,true); - return ref->refs; -} - - -SQBool RefTable::Release(SQObject &obj) -{ - SQHash mainpos; - RefNode *prev; - RefNode *ref = Get(obj,mainpos,&prev,false); - if(ref) { - if(--ref->refs == 0) { - SQObjectPtr o = ref->obj; - if(prev) { - prev->next = ref->next; - } - else { - _buckets[mainpos] = ref->next; - } - ref->next = _freelist; - _freelist = ref; - _slotused--; - ref->obj.Null(); - //<<FIXME>>test for shrink? - return SQTrue; - } - } - else { - assert(0); - } - return SQFalse; -} - -void RefTable::Resize(SQUnsignedInteger size) -{ - RefNode **oldbucks = _buckets; - RefNode *t = _nodes; - SQUnsignedInteger oldnumofslots = _numofslots; - AllocNodes(size); - //rehash - SQUnsignedInteger nfound = 0; - for(SQUnsignedInteger n = 0; n < oldnumofslots; n++) { - if(type(t->obj) != OT_NULL) { - //add back; - assert(t->refs != 0); - RefNode *nn = Add(::HashObj(t->obj)&(_numofslots-1),t->obj); - nn->refs = t->refs; - t->obj.Null(); - nfound++; - } - t++; - } - assert(nfound == oldnumofslots); - SQ_FREE(oldbucks,(oldnumofslots * sizeof(RefNode *)) + (oldnumofslots * sizeof(RefNode))); -} - -RefTable::RefNode *RefTable::Add(SQHash mainpos,SQObject &obj) -{ - RefNode *t = _buckets[mainpos]; - RefNode *newnode = _freelist; - newnode->obj = obj; - _buckets[mainpos] = newnode; - _freelist = _freelist->next; - newnode->next = t; - assert(newnode->refs == 0); - _slotused++; - return newnode; -} - -RefTable::RefNode *RefTable::Get(SQObject &obj,SQHash &mainpos,RefNode **prev,bool add) -{ - RefNode *ref; - mainpos = ::HashObj(obj)&(_numofslots-1); - *prev = NULL; - for (ref = _buckets[mainpos]; ref; ) { - if(_rawval(ref->obj) == _rawval(obj) && type(ref->obj) == type(obj)) - break; - *prev = ref; - ref = ref->next; - } - if(ref == NULL && add) { - if(_numofslots == _slotused) { - assert(_freelist == 0); - Resize(_numofslots*2); - mainpos = ::HashObj(obj)&(_numofslots-1); - } - ref = Add(mainpos,obj); - } - return ref; -} - -void RefTable::AllocNodes(SQUnsignedInteger size) -{ - RefNode **bucks; - RefNode *nodes; - bucks = (RefNode **)SQ_MALLOC((size * sizeof(RefNode *)) + (size * sizeof(RefNode))); - nodes = (RefNode *)&bucks[size]; - RefNode *temp = nodes; - SQUnsignedInteger n; - for(n = 0; n < size - 1; n++) { - bucks[n] = NULL; - temp->refs = 0; - new (&temp->obj) SQObjectPtr; - temp->next = temp+1; - temp++; - } - bucks[n] = NULL; - temp->refs = 0; - new (&temp->obj) SQObjectPtr; - temp->next = NULL; - _freelist = nodes; - _nodes = nodes; - _buckets = bucks; - _slotused = 0; - _numofslots = size; -} -////////////////////////////////////////////////////////////////////////// -//SQStringTable -/* -* The following code is based on Lua 4.0 (Copyright 1994-2002 Tecgraf, PUC-Rio.) -* http://www.lua.org/copyright.html#4 -* http://www.lua.org/source/4.0.1/src_lstring.c.html -*/ - -SQStringTable::SQStringTable(SQSharedState *ss) -{ - _sharedstate = ss; - AllocNodes(4); - _slotused = 0; -} - -SQStringTable::~SQStringTable() -{ - SQ_FREE(_strings,sizeof(SQString*)*_numofslots); - _strings = NULL; -} - -void SQStringTable::AllocNodes(SQInteger size) -{ - _numofslots = size; - _strings = (SQString**)SQ_MALLOC(sizeof(SQString*)*_numofslots); - memset(_strings,0,sizeof(SQString*)*_numofslots); -} - -SQString *SQStringTable::Add(const SQChar *news,SQInteger len) -{ - if(len<0) - len = (SQInteger)scstrlen(news); - SQHash h = ::_hashstr(news,len)&(_numofslots-1); - SQString *s; - for (s = _strings[h]; s; s = s->_next){ - if(s->_len == len && (!memcmp(news,s->_val,rsl(len)))) - return s; //found - } - - SQString *t=(SQString *)SQ_MALLOC(rsl(len)+sizeof(SQString)); - new (t) SQString; - t->_sharedstate = _sharedstate; - memcpy(t->_val,news,rsl(len)); - t->_val[len] = _SC('\0'); - t->_len = len; - t->_hash = ::_hashstr(news,len); - t->_next = _strings[h]; - _strings[h] = t; - _slotused++; - if (_slotused > _numofslots) /* too crowded? */ - Resize(_numofslots*2); - return t; -} - -void SQStringTable::Resize(SQInteger size) -{ - SQInteger oldsize=_numofslots; - SQString **oldtable=_strings; - AllocNodes(size); - for (SQInteger i=0; i<oldsize; i++){ - SQString *p = oldtable[i]; - while(p){ - SQString *next = p->_next; - SQHash h = p->_hash&(_numofslots-1); - p->_next = _strings[h]; - _strings[h] = p; - p = next; - } - } - SQ_FREE(oldtable,oldsize*sizeof(SQString*)); -} - -void SQStringTable::Remove(SQString *bs) -{ - SQString *s; - SQString *prev=NULL; - SQHash h = bs->_hash&(_numofslots - 1); - - for (s = _strings[h]; s; ){ - if(s == bs){ - if(prev) - prev->_next = s->_next; - else - _strings[h] = s->_next; - _slotused--; - SQInteger slen = s->_len; - s->~SQString(); - SQ_FREE(s,sizeof(SQString) + rsl(slen)); - return; - } - prev = s; - s = s->_next; - } - assert(0);//if this fail something is wrong -} diff --git a/squirrel_3_0_1_stable/squirrel/sqstate.h b/squirrel_3_0_1_stable/squirrel/sqstate.h deleted file mode 100644 index ee652e786..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqstate.h +++ /dev/null @@ -1,144 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQSTATE_H_ -#define _SQSTATE_H_ - -#include "squtils.h" -#include "sqobject.h" -struct SQString; -struct SQTable; -//max number of character for a printed number -#define NUMBER_MAX_CHAR 50 - -struct SQStringTable -{ - SQStringTable(SQSharedState*ss); - ~SQStringTable(); - SQString *Add(const SQChar *,SQInteger len); - void Remove(SQString *); -private: - void Resize(SQInteger size); - void AllocNodes(SQInteger size); - SQString **_strings; - SQUnsignedInteger _numofslots; - SQUnsignedInteger _slotused; - SQSharedState *_sharedstate; -}; - -struct RefTable { - struct RefNode { - SQObjectPtr obj; - SQUnsignedInteger refs; - struct RefNode *next; - }; - RefTable(); - ~RefTable(); - void AddRef(SQObject &obj); - SQBool Release(SQObject &obj); - SQUnsignedInteger GetRefCount(SQObject &obj); -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable **chain); -#endif - void Finalize(); -private: - RefNode *Get(SQObject &obj,SQHash &mainpos,RefNode **prev,bool add); - RefNode *Add(SQHash mainpos,SQObject &obj); - void Resize(SQUnsignedInteger size); - void AllocNodes(SQUnsignedInteger size); - SQUnsignedInteger _numofslots; - SQUnsignedInteger _slotused; - RefNode *_nodes; - RefNode *_freelist; - RefNode **_buckets; -}; - -#define ADD_STRING(ss,str,len) ss->_stringtable->Add(str,len) -#define REMOVE_STRING(ss,bstr) ss->_stringtable->Remove(bstr) - -struct SQObjectPtr; - -struct SQSharedState -{ - SQSharedState(); - ~SQSharedState(); - void Init(); -public: - SQChar* GetScratchPad(SQInteger size); - SQInteger GetMetaMethodIdxByName(const SQObjectPtr &name); -#ifndef NO_GARBAGE_COLLECTOR - SQInteger CollectGarbage(SQVM *vm); - void RunMark(SQVM *vm,SQCollectable **tchain); - SQInteger ResurrectUnreachable(SQVM *vm); - static void MarkObject(SQObjectPtr &o,SQCollectable **chain); -#endif - SQObjectPtrVec *_metamethods; - SQObjectPtr _metamethodsmap; - SQObjectPtrVec *_systemstrings; - SQObjectPtrVec *_types; - SQStringTable *_stringtable; - RefTable _refs_table; - SQObjectPtr _registry; - SQObjectPtr _consts; - SQObjectPtr _constructoridx; -#ifndef NO_GARBAGE_COLLECTOR - SQCollectable *_gc_chain; -#endif - SQObjectPtr _root_vm; - SQObjectPtr _table_default_delegate; - static SQRegFunction _table_default_delegate_funcz[]; - SQObjectPtr _array_default_delegate; - static SQRegFunction _array_default_delegate_funcz[]; - SQObjectPtr _string_default_delegate; - static SQRegFunction _string_default_delegate_funcz[]; - SQObjectPtr _number_default_delegate; - static SQRegFunction _number_default_delegate_funcz[]; - SQObjectPtr _generator_default_delegate; - static SQRegFunction _generator_default_delegate_funcz[]; - SQObjectPtr _closure_default_delegate; - static SQRegFunction _closure_default_delegate_funcz[]; - SQObjectPtr _thread_default_delegate; - static SQRegFunction _thread_default_delegate_funcz[]; - SQObjectPtr _class_default_delegate; - static SQRegFunction _class_default_delegate_funcz[]; - SQObjectPtr _instance_default_delegate; - static SQRegFunction _instance_default_delegate_funcz[]; - SQObjectPtr _weakref_default_delegate; - static SQRegFunction _weakref_default_delegate_funcz[]; - - SQCOMPILERERROR _compilererrorhandler; - SQPRINTFUNCTION _printfunc; - SQPRINTFUNCTION _errorfunc; - bool _debuginfo; - bool _notifyallexceptions; -private: - SQChar *_scratchpad; - SQInteger _scratchpadsize; -}; - -#define _sp(s) (_sharedstate->GetScratchPad(s)) -#define _spval (_sharedstate->GetScratchPad(-1)) - -#define _table_ddel _table(_sharedstate->_table_default_delegate) -#define _array_ddel _table(_sharedstate->_array_default_delegate) -#define _string_ddel _table(_sharedstate->_string_default_delegate) -#define _number_ddel _table(_sharedstate->_number_default_delegate) -#define _generator_ddel _table(_sharedstate->_generator_default_delegate) -#define _closure_ddel _table(_sharedstate->_closure_default_delegate) -#define _thread_ddel _table(_sharedstate->_thread_default_delegate) -#define _class_ddel _table(_sharedstate->_class_default_delegate) -#define _instance_ddel _table(_sharedstate->_instance_default_delegate) -#define _weakref_ddel _table(_sharedstate->_weakref_default_delegate) - -#ifdef SQUNICODE //rsl REAL STRING LEN -#define rsl(l) ((l)<<1) -#else -#define rsl(l) (l) -#endif - -//extern SQObjectPtr _null_; - -bool CompileTypemask(SQIntVec &res,const SQChar *typemask); - -void *sq_vm_malloc(SQUnsignedInteger size); -void *sq_vm_realloc(void *p,SQUnsignedInteger oldsize,SQUnsignedInteger size); -void sq_vm_free(void *p,SQUnsignedInteger size); -#endif //_SQSTATE_H_ diff --git a/squirrel_3_0_1_stable/squirrel/sqstring.h b/squirrel_3_0_1_stable/squirrel/sqstring.h deleted file mode 100644 index 14f09e1b0..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqstring.h +++ /dev/null @@ -1,31 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQSTRING_H_ -#define _SQSTRING_H_ - -inline SQHash _hashstr (const SQChar *s, size_t l) -{ - SQHash h = (SQHash)l; /* seed */ - size_t step = (l>>5)|1; /* if string is too long, don't hash all its chars */ - for (; l>=step; l-=step) - h = h ^ ((h<<5)+(h>>2)+(unsigned short)*(s++)); - return h; -} - -struct SQString : public SQRefCounted -{ - SQString(){} - ~SQString(){} -public: - static SQString *Create(SQSharedState *ss, const SQChar *, SQInteger len = -1 ); - SQInteger Next(const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval); - void Release(); - SQSharedState *_sharedstate; - SQString *_next; //chain for the string table - SQInteger _len; - SQHash _hash; - SQChar _val[1]; -}; - - - -#endif //_SQSTRING_H_ diff --git a/squirrel_3_0_1_stable/squirrel/sqtable.cpp b/squirrel_3_0_1_stable/squirrel/sqtable.cpp deleted file mode 100644 index bc43124a3..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqtable.cpp +++ /dev/null @@ -1,220 +0,0 @@ -/* -see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#include "sqvm.h" -#include "sqtable.h" -#include "sqfuncproto.h" -#include "sqclosure.h" - -SQTable::SQTable(SQSharedState *ss,SQInteger nInitialSize) -{ - SQInteger pow2size=MINPOWER2; - while(nInitialSize>pow2size)pow2size=pow2size<<1; - AllocNodes(pow2size); - _usednodes = 0; - _delegate = NULL; - INIT_CHAIN(); - ADD_TO_CHAIN(&_sharedstate->_gc_chain,this); -} - -void SQTable::Remove(const SQObjectPtr &key) -{ - - _HashNode *n = _Get(key, HashObj(key) & (_numofnodes - 1)); - if (n) { - n->val.Null(); - n->key.Null(); - _usednodes--; - Rehash(false); - } -} - -void SQTable::AllocNodes(SQInteger nSize) -{ - _HashNode *nodes=(_HashNode *)SQ_MALLOC(sizeof(_HashNode)*nSize); - for(SQInteger i=0;i<nSize;i++){ - _HashNode &n = nodes[i]; - new (&n) _HashNode; - n.next=NULL; - } - _numofnodes=nSize; - _nodes=nodes; - _firstfree=&_nodes[_numofnodes-1]; -} - -void SQTable::Rehash(bool force) -{ - SQInteger oldsize=_numofnodes; - //prevent problems with the integer division - if(oldsize<4)oldsize=4; - _HashNode *nold=_nodes; - SQInteger nelems=CountUsed(); - if (nelems >= oldsize-oldsize/4) /* using more than 3/4? */ - AllocNodes(oldsize*2); - else if (nelems <= oldsize/4 && /* less than 1/4? */ - oldsize > MINPOWER2) - AllocNodes(oldsize/2); - else if(force) - AllocNodes(oldsize); - else - return; - _usednodes = 0; - for (SQInteger i=0; i<oldsize; i++) { - _HashNode *old = nold+i; - if (type(old->key) != OT_NULL) - NewSlot(old->key,old->val); - } - for(SQInteger k=0;k<oldsize;k++) - nold[k].~_HashNode(); - SQ_FREE(nold,oldsize*sizeof(_HashNode)); -} - -SQTable *SQTable::Clone() -{ - SQTable *nt=Create(_opt_ss(this),_numofnodes); -#ifdef _FAST_CLONE - _HashNode *basesrc = _nodes; - _HashNode *basedst = nt->_nodes; - _HashNode *src = _nodes; - _HashNode *dst = nt->_nodes; - SQInteger n = 0; - for(n = 0; n < _numofnodes; n++) { - dst->key = src->key; - dst->val = src->val; - if(src->next) { - assert(src->next > basesrc); - dst->next = basedst + (src->next - basesrc); - assert(dst != dst->next); - } - dst++; - src++; - } - assert(_firstfree > basesrc); - assert(_firstfree != NULL); - nt->_firstfree = basedst + (_firstfree - basesrc); -#else - SQInteger ridx=0; - SQObjectPtr key,val; - while((ridx=Next(true,ridx,key,val))!=-1){ - nt->NewSlot(key,val); - } -#endif - nt->SetDelegate(_delegate); - return nt; -} - -bool SQTable::Get(const SQObjectPtr &key,SQObjectPtr &val) -{ - if(type(key) == OT_NULL) - return false; - _HashNode *n = _Get(key, HashObj(key) & (_numofnodes - 1)); - if (n) { - val = _realval(n->val); - return true; - } - return false; -} -bool SQTable::NewSlot(const SQObjectPtr &key,const SQObjectPtr &val) -{ - assert(type(key) != OT_NULL); - SQHash h = HashObj(key) & (_numofnodes - 1); - _HashNode *n = _Get(key, h); - if (n) { - n->val = val; - return false; - } - _HashNode *mp = &_nodes[h]; - n = mp; - - - //key not found I'll insert it - //main pos is not free - - if(type(mp->key) != OT_NULL) { - n = _firstfree; /* get a free place */ - SQHash mph = HashObj(mp->key) & (_numofnodes - 1); - _HashNode *othern; /* main position of colliding node */ - - if (mp > n && (othern = &_nodes[mph]) != mp){ - /* yes; move colliding node into free position */ - while (othern->next != mp){ - assert(othern->next != NULL); - othern = othern->next; /* find previous */ - } - othern->next = n; /* redo the chain with `n' in place of `mp' */ - n->key = mp->key; - n->val = mp->val;/* copy colliding node into free pos. (mp->next also goes) */ - n->next = mp->next; - mp->key.Null(); - mp->val.Null(); - mp->next = NULL; /* now `mp' is free */ - } - else{ - /* new node will go into free position */ - n->next = mp->next; /* chain new position */ - mp->next = n; - mp = n; - } - } - mp->key = key; - - for (;;) { /* correct `firstfree' */ - if (type(_firstfree->key) == OT_NULL && _firstfree->next == NULL) { - mp->val = val; - _usednodes++; - return true; /* OK; table still has a free place */ - } - else if (_firstfree == _nodes) break; /* cannot decrement from here */ - else (_firstfree)--; - } - Rehash(true); - return NewSlot(key, val); -} - -SQInteger SQTable::Next(bool getweakrefs,const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval) -{ - SQInteger idx = (SQInteger)TranslateIndex(refpos); - while (idx < _numofnodes) { - if(type(_nodes[idx].key) != OT_NULL) { - //first found - _HashNode &n = _nodes[idx]; - outkey = n.key; - outval = getweakrefs?(SQObject)n.val:_realval(n.val); - //return idx for the next iteration - return ++idx; - } - ++idx; - } - //nothing to iterate anymore - return -1; -} - - -bool SQTable::Set(const SQObjectPtr &key, const SQObjectPtr &val) -{ - _HashNode *n = _Get(key, HashObj(key) & (_numofnodes - 1)); - if (n) { - n->val = val; - return true; - } - return false; -} - -void SQTable::_ClearNodes() -{ - for(SQInteger i = 0;i < _numofnodes; i++) { _HashNode &n = _nodes[i]; n.key.Null(); n.val.Null(); } -} - -void SQTable::Finalize() -{ - _ClearNodes(); - SetDelegate(NULL); -} - -void SQTable::Clear() -{ - _ClearNodes(); - _usednodes = 0; - Rehash(true); -} diff --git a/squirrel_3_0_1_stable/squirrel/sqtable.h b/squirrel_3_0_1_stable/squirrel/sqtable.h deleted file mode 100644 index b2ba0ba98..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqtable.h +++ /dev/null @@ -1,92 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQTABLE_H_ -#define _SQTABLE_H_ -/* -* The following code is based on Lua 4.0 (Copyright 1994-2002 Tecgraf, PUC-Rio.) -* http://www.lua.org/copyright.html#4 -* http://www.lua.org/source/4.0.1/src_ltable.c.html -*/ - -#include "sqstring.h" - - -#define hashptr(p) ((SQHash)(((SQInteger)p) >> 3)) - -inline SQHash HashObj(const SQObjectPtr &key) -{ - switch(type(key)) { - case OT_STRING: return _string(key)->_hash; - case OT_FLOAT: return (SQHash)((SQInteger)_float(key)); - case OT_BOOL: case OT_INTEGER: return (SQHash)((SQInteger)_integer(key)); - default: return hashptr(key._unVal.pRefCounted); - } -} - -struct SQTable : public SQDelegable -{ -private: - struct _HashNode - { - _HashNode() { next = NULL; } - SQObjectPtr val; - SQObjectPtr key; - _HashNode *next; - }; - _HashNode *_firstfree; - _HashNode *_nodes; - SQInteger _numofnodes; - SQInteger _usednodes; - -/////////////////////////// - void AllocNodes(SQInteger nSize); - void Rehash(bool force); - SQTable(SQSharedState *ss, SQInteger nInitialSize); - void _ClearNodes(); -public: - static SQTable* Create(SQSharedState *ss,SQInteger nInitialSize) - { - SQTable *newtable = (SQTable*)SQ_MALLOC(sizeof(SQTable)); - new (newtable) SQTable(ss, nInitialSize); - newtable->_delegate = NULL; - return newtable; - } - void Finalize(); - SQTable *Clone(); - ~SQTable() - { - SetDelegate(NULL); - REMOVE_FROM_CHAIN(&_sharedstate->_gc_chain, this); - for (SQInteger i = 0; i < _numofnodes; i++) _nodes[i].~_HashNode(); - SQ_FREE(_nodes, _numofnodes * sizeof(_HashNode)); - } -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable **chain); - SQObjectType GetType() {return OT_TABLE;} -#endif - inline _HashNode *_Get(const SQObjectPtr &key,SQHash hash) - { - _HashNode *n = &_nodes[hash]; - do{ - if(_rawval(n->key) == _rawval(key) && type(n->key) == type(key)){ - return n; - } - }while((n = n->next)); - return NULL; - } - bool Get(const SQObjectPtr &key,SQObjectPtr &val); - void Remove(const SQObjectPtr &key); - bool Set(const SQObjectPtr &key, const SQObjectPtr &val); - //returns true if a new slot has been created false if it was already present - bool NewSlot(const SQObjectPtr &key,const SQObjectPtr &val); - SQInteger Next(bool getweakrefs,const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval); - - SQInteger CountUsed(){ return _usednodes;} - void Clear(); - void Release() - { - sq_delete(this, SQTable); - } - -}; - -#endif //_SQTABLE_H_ diff --git a/squirrel_3_0_1_stable/squirrel/squirrel.dsp b/squirrel_3_0_1_stable/squirrel/squirrel.dsp deleted file mode 100644 index 66a84f7dd..000000000 --- a/squirrel_3_0_1_stable/squirrel/squirrel.dsp +++ /dev/null @@ -1,302 +0,0 @@ -# Microsoft Developer Studio Project File - Name="squirrel" - Package Owner=<4> -# Microsoft Developer Studio Generated Build File, Format Version 6.00 -# ** DO NOT EDIT ** - -# TARGTYPE "Win32 (x86) Static Library" 0x0104 - -CFG=squirrel - Win32 Debug -!MESSAGE This is not a valid makefile. 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-SOURCE=.\squserdata.h -# End Source File -# Begin Source File - -SOURCE=.\squtils.h -# End Source File -# Begin Source File - -SOURCE=.\sqclass.h -# End Source File -# Begin Source File - -SOURCE=.\sqvm.h -# End Source File -# End Group -# End Target -# End Project diff --git a/squirrel_3_0_1_stable/squirrel/squserdata.h b/squirrel_3_0_1_stable/squirrel/squserdata.h deleted file mode 100644 index 2bf1b0709..000000000 --- a/squirrel_3_0_1_stable/squirrel/squserdata.h +++ /dev/null @@ -1,40 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQUSERDATA_H_ -#define _SQUSERDATA_H_ - -struct SQUserData : SQDelegable -{ - SQUserData(SQSharedState *ss){ _delegate = 0; _hook = NULL; INIT_CHAIN(); ADD_TO_CHAIN(&_ss(this)->_gc_chain, this); } - ~SQUserData() - { - REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain, this); - SetDelegate(NULL); - } - static SQUserData* Create(SQSharedState *ss, SQInteger size) - { - SQUserData* ud = (SQUserData*)SQ_MALLOC(sq_aligning(sizeof(SQUserData))+size); - new (ud) SQUserData(ss); - ud->_size = size; - ud->_typetag = 0; - return ud; - } -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable **chain); - void Finalize(){SetDelegate(NULL);} - SQObjectType GetType(){ return OT_USERDATA;} -#endif - void Release() { - if (_hook) _hook((SQUserPointer)sq_aligning(this + 1),_size); - SQInteger tsize = _size; - this->~SQUserData(); - SQ_FREE(this, sq_aligning(sizeof(SQUserData)) + tsize); - } - - - SQInteger _size; - SQRELEASEHOOK _hook; - SQUserPointer _typetag; - //SQChar _val[1]; -}; - -#endif //_SQUSERDATA_H_ diff --git a/squirrel_3_0_1_stable/squirrel/squtils.h b/squirrel_3_0_1_stable/squirrel/squtils.h deleted file mode 100644 index f3510beea..000000000 --- a/squirrel_3_0_1_stable/squirrel/squtils.h +++ /dev/null @@ -1,112 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQUTILS_H_ -#define _SQUTILS_H_ - -#define sq_new(__ptr,__type) {__ptr=(__type *)sq_vm_malloc(sizeof(__type));new (__ptr) __type;} -#define sq_delete(__ptr,__type) {__ptr->~__type();sq_vm_free(__ptr,sizeof(__type));} -#define SQ_MALLOC(__size) sq_vm_malloc((__size)); -#define SQ_FREE(__ptr,__size) sq_vm_free((__ptr),(__size)); -#define SQ_REALLOC(__ptr,__oldsize,__size) sq_vm_realloc((__ptr),(__oldsize),(__size)); - -#define sq_aligning(v) (((size_t)(v) + (SQ_ALIGNMENT-1)) & (~(SQ_ALIGNMENT-1))) - -//sqvector mini vector class, supports objects by value -template<typename T> class sqvector -{ -public: - sqvector() - { - _vals = NULL; - _size = 0; - _allocated = 0; - } - sqvector(const sqvector<T>& v) - { - copy(v); - } - void copy(const sqvector<T>& v) - { - if(_size) { - resize(0); //destroys all previous stuff - } - //resize(v._size); - if(v._size > _allocated) { - _realloc(v._size); - } - for(SQUnsignedInteger i = 0; i < v._size; i++) { - new ((void *)&_vals[i]) T(v._vals[i]); - } - _size = v._size; - } - ~sqvector() - { - if(_allocated) { - for(SQUnsignedInteger i = 0; i < _size; i++) - _vals[i].~T(); - SQ_FREE(_vals, (_allocated * sizeof(T))); - } - } - void reserve(SQUnsignedInteger newsize) { _realloc(newsize); } - void resize(SQUnsignedInteger newsize, const T& fill = T()) - { - if(newsize > _allocated) - _realloc(newsize); - if(newsize > _size) { - while(_size < newsize) { - new ((void *)&_vals[_size]) T(fill); - _size++; - } - } - else{ - for(SQUnsignedInteger i = newsize; i < _size; i++) { - _vals[i].~T(); - } - _size = newsize; - } - } - void shrinktofit() { if(_size > 4) { _realloc(_size); } } - T& top() const { return _vals[_size - 1]; } - inline SQUnsignedInteger size() const { return _size; } - bool empty() const { return (_size <= 0); } - inline T &push_back(const T& val = T()) - { - if(_allocated <= _size) - _realloc(_size * 2); - return *(new ((void *)&_vals[_size++]) T(val)); - } - inline void pop_back() - { - _size--; _vals[_size].~T(); - } - void insert(SQUnsignedInteger idx, const T& val) - { - resize(_size + 1); - for(SQUnsignedInteger i = _size - 1; i > idx; i--) { - _vals[i] = _vals[i - 1]; - } - _vals[idx] = val; - } - void remove(SQUnsignedInteger idx) - { - _vals[idx].~T(); - if(idx < (_size - 1)) { - memcpy(&_vals[idx], &_vals[idx+1], sizeof(T) * (_size - idx - 1)); - } - _size--; - } - SQUnsignedInteger capacity() { return _allocated; } - inline T &back() const { return _vals[_size - 1]; } - inline T& operator[](SQUnsignedInteger pos) const{ return _vals[pos]; } - T* _vals; -private: - void _realloc(SQUnsignedInteger newsize) - { - newsize = (newsize > 0)?newsize:4; - _vals = (T*)SQ_REALLOC(_vals, _allocated * sizeof(T), newsize * sizeof(T)); - _allocated = newsize; - } - SQUnsignedInteger _size; - SQUnsignedInteger _allocated; -}; - -#endif //_SQUTILS_H_ diff --git a/squirrel_3_0_1_stable/squirrel/sqvm.cpp b/squirrel_3_0_1_stable/squirrel/sqvm.cpp deleted file mode 100644 index b6ad21836..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqvm.cpp +++ /dev/null @@ -1,1714 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#include <math.h> -#include <stdlib.h> -#include "sqopcodes.h" -#include "sqvm.h" -#include "sqfuncproto.h" -#include "sqclosure.h" -#include "sqstring.h" -#include "sqtable.h" -#include "squserdata.h" -#include "sqarray.h" -#include "sqclass.h" - -#define TOP() (_stack._vals[_top-1]) - -bool SQVM::BW_OP(SQUnsignedInteger op,SQObjectPtr &trg,const SQObjectPtr &o1,const SQObjectPtr &o2) -{ - SQInteger res; - if((type(o1)|type(o2)) == OT_INTEGER) - { - SQInteger i1 = _integer(o1), i2 = _integer(o2); - switch(op) { - case BW_AND: res = i1 & i2; break; - case BW_OR: res = i1 | i2; break; - case BW_XOR: res = i1 ^ i2; break; - case BW_SHIFTL: res = i1 << i2; break; - case BW_SHIFTR: res = i1 >> i2; break; - case BW_USHIFTR:res = (SQInteger)(*((SQUnsignedInteger*)&i1) >> i2); break; - default: { Raise_Error(_SC("internal vm error bitwise op failed")); return false; } - } - } - else { Raise_Error(_SC("bitwise op between '%s' and '%s'"),GetTypeName(o1),GetTypeName(o2)); return false;} - trg = res; - return true; -} - -#define _ARITH_(op,trg,o1,o2) \ -{ \ - SQInteger tmask = type(o1)|type(o2); \ - switch(tmask) { \ - case OT_INTEGER: trg = _integer(o1) op _integer(o2);break; \ - case (OT_FLOAT|OT_INTEGER): \ - case (OT_FLOAT): trg = tofloat(o1) op tofloat(o2); break;\ - default: _GUARD(ARITH_OP((#op)[0],trg,o1,o2)); break;\ - } \ -} - -#define _ARITH_NOZERO(op,trg,o1,o2,err) \ -{ \ - SQInteger tmask = type(o1)|type(o2); \ - switch(tmask) { \ - case OT_INTEGER: { SQInteger i2 = _integer(o2); if(i2 == 0) { Raise_Error(err); SQ_THROW(); } trg = _integer(o1) op i2; } break;\ - case (OT_FLOAT|OT_INTEGER): \ - case (OT_FLOAT): trg = tofloat(o1) op tofloat(o2); break;\ - default: _GUARD(ARITH_OP((#op)[0],trg,o1,o2)); break;\ - } \ -} - -bool SQVM::ARITH_OP(SQUnsignedInteger op,SQObjectPtr &trg,const SQObjectPtr &o1,const SQObjectPtr &o2) -{ - SQInteger tmask = type(o1)|type(o2); - switch(tmask) { - case OT_INTEGER:{ - SQInteger res, i1 = _integer(o1), i2 = _integer(o2); - switch(op) { - case '+': res = i1 + i2; break; - case '-': res = i1 - i2; break; - case '/': if(i2 == 0) { Raise_Error(_SC("division by zero")); return false; } - res = i1 / i2; - break; - case '*': res = i1 * i2; break; - case '%': if(i2 == 0) { Raise_Error(_SC("modulo by zero")); return false; } - res = i1 % i2; - break; - default: res = 0xDEADBEEF; - } - trg = res; } - break; - case (OT_FLOAT|OT_INTEGER): - case (OT_FLOAT):{ - SQFloat res, f1 = tofloat(o1), f2 = tofloat(o2); - switch(op) { - case '+': res = f1 + f2; break; - case '-': res = f1 - f2; break; - case '/': res = f1 / f2; break; - case '*': res = f1 * f2; break; - case '%': res = SQFloat(fmod((double)f1,(double)f2)); break; - default: res = 0x0f; - } - trg = res; } - break; - default: - if(op == '+' && (tmask & _RT_STRING)){ - if(!StringCat(o1, o2, trg)) return false; - } - else if(!ArithMetaMethod(op,o1,o2,trg)) { - return false; - } - } - return true; -} - -SQVM::SQVM(SQSharedState *ss) -{ - _sharedstate=ss; - _suspended = SQFalse; - _suspended_target = -1; - _suspended_root = SQFalse; - _suspended_traps = -1; - _foreignptr = NULL; - _nnativecalls = 0; - _nmetamethodscall = 0; - _lasterror.Null(); - _errorhandler.Null(); - _debughook = false; - _debughook_native = NULL; - _debughook_closure.Null(); - _openouters = NULL; - ci = NULL; - INIT_CHAIN();ADD_TO_CHAIN(&_ss(this)->_gc_chain,this); -} - -void SQVM::Finalize() -{ - if(_openouters) CloseOuters(&_stack._vals[0]); - _roottable.Null(); - _lasterror.Null(); - _errorhandler.Null(); - _debughook = false; - _debughook_native = NULL; - _debughook_closure.Null(); - temp_reg.Null(); - _callstackdata.resize(0); - SQInteger size=_stack.size(); - for(SQInteger i=0;i<size;i++) - _stack[i].Null(); -} - -SQVM::~SQVM() -{ - Finalize(); - REMOVE_FROM_CHAIN(&_ss(this)->_gc_chain,this); -} - -bool SQVM::ArithMetaMethod(SQInteger op,const SQObjectPtr &o1,const SQObjectPtr &o2,SQObjectPtr &dest) -{ - SQMetaMethod mm; - switch(op){ - case _SC('+'): mm=MT_ADD; break; - case _SC('-'): mm=MT_SUB; break; - case _SC('/'): mm=MT_DIV; break; - case _SC('*'): mm=MT_MUL; break; - case _SC('%'): mm=MT_MODULO; break; - default: mm = MT_ADD; assert(0); break; //shutup compiler - } - if(is_delegable(o1) && _delegable(o1)->_delegate) { - - SQObjectPtr closure; - if(_delegable(o1)->GetMetaMethod(this, mm, closure)) { - Push(o1);Push(o2); - return CallMetaMethod(closure,mm,2,dest); - } - } - Raise_Error(_SC("arith op %c on between '%s' and '%s'"),op,GetTypeName(o1),GetTypeName(o2)); - return false; -} - -bool SQVM::NEG_OP(SQObjectPtr &trg,const SQObjectPtr &o) -{ - - switch(type(o)) { - case OT_INTEGER: - trg = -_integer(o); - return true; - case OT_FLOAT: - trg = -_float(o); - return true; - case OT_TABLE: - case OT_USERDATA: - case OT_INSTANCE: - if(_delegable(o)->_delegate) { - SQObjectPtr closure; - if(_delegable(o)->GetMetaMethod(this, MT_UNM, closure)) { - Push(o); - if(!CallMetaMethod(closure, MT_UNM, 1, temp_reg)) return false; - _Swap(trg,temp_reg); - return true; - - } - } - default:break; //shutup compiler - } - Raise_Error(_SC("attempt to negate a %s"), GetTypeName(o)); - return false; -} - -#define _RET_SUCCEED(exp) { result = (exp); return true; } -bool SQVM::ObjCmp(const SQObjectPtr &o1,const SQObjectPtr &o2,SQInteger &result) -{ - SQObjectType t1 = type(o1), t2 = type(o2); - if(t1 == t2){ - if(_rawval(o1)==_rawval(o2))_RET_SUCCEED(0); - SQObjectPtr res; - switch(t1){ - case OT_STRING: - _RET_SUCCEED(scstrcmp(_stringval(o1),_stringval(o2))); - case OT_INTEGER: - _RET_SUCCEED(_integer(o1)-_integer(o2)); - case OT_FLOAT: - _RET_SUCCEED((_float(o1)<_float(o2))?-1:1); - case OT_TABLE: - case OT_USERDATA: - case OT_INSTANCE: - if(_delegable(o1)->_delegate) { - SQObjectPtr closure; - if(_delegable(o1)->GetMetaMethod(this, MT_CMP, closure)) { - Push(o1);Push(o2); - if(!CallMetaMethod(closure,MT_CMP,2,res)) return false; - } - break; - } - //continues through (no break needed) - default: - _RET_SUCCEED( _userpointer(o1) < _userpointer(o2)?-1:1 ); - } - if(type(res)!=OT_INTEGER) { Raise_CompareError(o1,o2); return false; } - _RET_SUCCEED(_integer(res)); - - } - else{ - if(sq_isnumeric(o1) && sq_isnumeric(o2)){ - if((t1==OT_INTEGER) && (t2==OT_FLOAT)) { - if( _integer(o1)==_float(o2) ) { _RET_SUCCEED(0); } - else if( _integer(o1)<_float(o2) ) { _RET_SUCCEED(-1); } - _RET_SUCCEED(1); - } - else{ - if( _float(o1)==_integer(o2) ) { _RET_SUCCEED(0); } - else if( _float(o1)<_integer(o2) ) { _RET_SUCCEED(-1); } - _RET_SUCCEED(1); - } - } - else if(t1==OT_NULL) {_RET_SUCCEED(-1);} - else if(t2==OT_NULL) {_RET_SUCCEED(1);} - else { Raise_CompareError(o1,o2); return false; } - - } - assert(0); - _RET_SUCCEED(0); //cannot happen -} - -bool SQVM::CMP_OP(CmpOP op, const SQObjectPtr &o1,const SQObjectPtr &o2,SQObjectPtr &res) -{ - SQInteger r; - if(ObjCmp(o1,o2,r)) { - switch(op) { - case CMP_G: res = (r > 0); return true; - case CMP_GE: res = (r >= 0); return true; - case CMP_L: res = (r < 0); return true; - case CMP_LE: res = (r <= 0); return true; - case CMP_3W: res = r; return true; - } - assert(0); - } - return false; -} - -bool SQVM::ToString(const SQObjectPtr &o,SQObjectPtr &res) -{ - switch(type(o)) { - case OT_STRING: - res = o; - return true; - case OT_FLOAT: - scsprintf(_sp(rsl(NUMBER_MAX_CHAR+1)),_SC("%g"),_float(o)); - break; - case OT_INTEGER: - scsprintf(_sp(rsl(NUMBER_MAX_CHAR+1)),_PRINT_INT_FMT,_integer(o)); - break; - case OT_BOOL: - scsprintf(_sp(rsl(6)),_integer(o)?_SC("true"):_SC("false")); - break; - case OT_TABLE: - case OT_USERDATA: - case OT_INSTANCE: - if(_delegable(o)->_delegate) { - SQObjectPtr closure; - if(_delegable(o)->GetMetaMethod(this, MT_TOSTRING, closure)) { - Push(o); - if(CallMetaMethod(closure,MT_TOSTRING,1,res)) {; - if(type(res) == OT_STRING) - return true; - } - else { - return false; - } - } - } - default: - scsprintf(_sp(rsl(sizeof(void*)+20)),_SC("(%s : 0x%p)"),GetTypeName(o),(void*)_rawval(o)); - } - res = SQString::Create(_ss(this),_spval); - return true; -} - - -bool SQVM::StringCat(const SQObjectPtr &str,const SQObjectPtr &obj,SQObjectPtr &dest) -{ - SQObjectPtr a, b; - if(!ToString(str, a)) return false; - if(!ToString(obj, b)) return false; - SQInteger l = _string(a)->_len , ol = _string(b)->_len; - SQChar *s = _sp(rsl(l + ol + 1)); - memcpy(s, _stringval(a), rsl(l)); - memcpy(s + l, _stringval(b), rsl(ol)); - dest = SQString::Create(_ss(this), _spval, l + ol); - return true; -} - -bool SQVM::TypeOf(const SQObjectPtr &obj1,SQObjectPtr &dest) -{ - if(is_delegable(obj1) && _delegable(obj1)->_delegate) { - SQObjectPtr closure; - if(_delegable(obj1)->GetMetaMethod(this, MT_TYPEOF, closure)) { - Push(obj1); - return CallMetaMethod(closure,MT_TYPEOF,1,dest); - } - } - dest = SQString::Create(_ss(this),GetTypeName(obj1)); - return true; -} - -bool SQVM::Init(SQVM *friendvm, SQInteger stacksize) -{ - _stack.resize(stacksize); - _alloccallsstacksize = 4; - _callstackdata.resize(_alloccallsstacksize); - _callsstacksize = 0; - _callsstack = &_callstackdata[0]; - _stackbase = 0; - _top = 0; - if(!friendvm) - _roottable = SQTable::Create(_ss(this), 0); - else { - _roottable = friendvm->_roottable; - _errorhandler = friendvm->_errorhandler; - _debughook = friendvm->_debughook; - _debughook_native = friendvm->_debughook_native; - _debughook_closure = friendvm->_debughook_closure; - } - - sq_base_register(this); - return true; -} - - -bool SQVM::StartCall(SQClosure *closure,SQInteger target,SQInteger args,SQInteger stackbase,bool tailcall) -{ - SQFunctionProto *func = closure->_function; - - SQInteger paramssize = func->_nparameters; - const SQInteger newtop = stackbase + func->_stacksize; - SQInteger nargs = args; - if(func->_varparams) - { - paramssize--; - if (nargs < paramssize) { - Raise_Error(_SC("wrong number of parameters")); - return false; - } - - //dumpstack(stackbase); - SQInteger nvargs = nargs - paramssize; - SQArray *arr = SQArray::Create(_ss(this),nvargs); - SQInteger pbase = stackbase+paramssize; - for(SQInteger n = 0; n < nvargs; n++) { - arr->_values[n] = _stack._vals[pbase]; - _stack._vals[pbase].Null(); - pbase++; - - } - _stack._vals[stackbase+paramssize] = arr; - //dumpstack(stackbase); - } - else if (paramssize != nargs) { - SQInteger ndef = func->_ndefaultparams; - SQInteger diff; - if(ndef && nargs < paramssize && (diff = paramssize - nargs) <= ndef) { - for(SQInteger n = ndef - diff; n < ndef; n++) { - _stack._vals[stackbase + (nargs++)] = closure->_defaultparams[n]; - } - } - else { - Raise_Error(_SC("wrong number of parameters")); - return false; - } - } - - if(closure->_env) { - _stack._vals[stackbase] = closure->_env->_obj; - } - - if(!EnterFrame(stackbase, newtop, tailcall)) return false; - - ci->_closure = closure; - ci->_literals = func->_literals; - ci->_ip = func->_instructions; - ci->_target = (SQInt32)target; - - if (_debughook) { - CallDebugHook(_SC('c')); - } - - if (closure->_function->_bgenerator) { - SQFunctionProto *f = closure->_function; - SQGenerator *gen = SQGenerator::Create(_ss(this), closure); - if(!gen->Yield(this,f->_stacksize)) - return false; - SQObjectPtr temp; - Return(1, target, temp); - STK(target) = gen; - } - - - return true; -} - -bool SQVM::Return(SQInteger _arg0, SQInteger _arg1, SQObjectPtr &retval) -{ - SQBool _isroot = ci->_root; - SQInteger callerbase = _stackbase - ci->_prevstkbase; - - if (_debughook) { - for(SQInteger i=0; i<ci->_ncalls; i++) { - CallDebugHook(_SC('r')); - } - } - - SQObjectPtr *dest; - if (_isroot) { - dest = &(retval); - } else if (ci->_target == -1) { - dest = NULL; - } else { - dest = &_stack._vals[callerbase + ci->_target]; - } - if (dest) { - if(_arg0 != 0xFF) { - *dest = _stack._vals[_stackbase+_arg1]; - } - else { - dest->Null(); - } - //*dest = (_arg0 != 0xFF) ? _stack._vals[_stackbase+_arg1] : _null_; - } - LeaveFrame(); - return _isroot ? true : false; -} - -#define _RET_ON_FAIL(exp) { if(!exp) return false; } - -bool SQVM::PLOCAL_INC(SQInteger op,SQObjectPtr &target, SQObjectPtr &a, SQObjectPtr &incr) -{ - SQObjectPtr trg; - _RET_ON_FAIL(ARITH_OP( op , trg, a, incr)); - target = a; - a = trg; - return true; -} - -bool SQVM::DerefInc(SQInteger op,SQObjectPtr &target, SQObjectPtr &self, SQObjectPtr &key, SQObjectPtr &incr, bool postfix,SQInteger selfidx) -{ - SQObjectPtr tmp, tself = self, tkey = key; - if (!Get(tself, tkey, tmp, false, selfidx)) { return false; } - _RET_ON_FAIL(ARITH_OP( op , target, tmp, incr)) - if (!Set(tself, tkey, target,selfidx)) { return false; } - if (postfix) target = tmp; - return true; -} - -#define arg0 (_i_._arg0) -#define sarg0 ((SQInteger)*((signed char *)&_i_._arg0)) -#define arg1 (_i_._arg1) -#define sarg1 (*((SQInt32 *)&_i_._arg1)) -#define arg2 (_i_._arg2) -#define arg3 (_i_._arg3) -#define sarg3 ((SQInteger)*((signed char *)&_i_._arg3)) - -SQRESULT SQVM::Suspend() -{ - if (_suspended) - return sq_throwerror(this, _SC("cannot suspend an already suspended vm")); - if (_nnativecalls!=2) - return sq_throwerror(this, _SC("cannot suspend through native calls/metamethods")); - return SQ_SUSPEND_FLAG; -} - - -#define _FINISH(howmuchtojump) {jump = howmuchtojump; return true; } -bool SQVM::FOREACH_OP(SQObjectPtr &o1,SQObjectPtr &o2,SQObjectPtr -&o3,SQObjectPtr &o4,SQInteger arg_2,int exitpos,int &jump) -{ - SQInteger nrefidx; - switch(type(o1)) { - case OT_TABLE: - if((nrefidx = _table(o1)->Next(false,o4, o2, o3)) == -1) _FINISH(exitpos); - o4 = (SQInteger)nrefidx; _FINISH(1); - case OT_ARRAY: - if((nrefidx = _array(o1)->Next(o4, o2, o3)) == -1) _FINISH(exitpos); - o4 = (SQInteger) nrefidx; _FINISH(1); - case OT_STRING: - if((nrefidx = _string(o1)->Next(o4, o2, o3)) == -1)_FINISH(exitpos); - o4 = (SQInteger)nrefidx; _FINISH(1); - case OT_CLASS: - if((nrefidx = _class(o1)->Next(o4, o2, o3)) == -1)_FINISH(exitpos); - o4 = (SQInteger)nrefidx; _FINISH(1); - case OT_USERDATA: - case OT_INSTANCE: - if(_delegable(o1)->_delegate) { - SQObjectPtr itr; - SQObjectPtr closure; - if(_delegable(o1)->GetMetaMethod(this, MT_NEXTI, closure)) { - Push(o1); - Push(o4); - if(CallMetaMethod(closure, MT_NEXTI, 2, itr)) { - o4 = o2 = itr; - if(type(itr) == OT_NULL) _FINISH(exitpos); - if(!Get(o1, itr, o3, false, DONT_FALL_BACK)) { - Raise_Error(_SC("_nexti returned an invalid idx")); // cloud be changed - return false; - } - _FINISH(1); - } - else { - return false; - } - } - Raise_Error(_SC("_nexti failed")); - return false; - } - break; - case OT_GENERATOR: - if(_generator(o1)->_state == SQGenerator::eDead) _FINISH(exitpos); - if(_generator(o1)->_state == SQGenerator::eSuspended) { - SQInteger idx = 0; - if(type(o4) == OT_INTEGER) { - idx = _integer(o4) + 1; - } - o2 = idx; - o4 = idx; - _generator(o1)->Resume(this, o3); - _FINISH(0); - } - default: - Raise_Error(_SC("cannot iterate %s"), GetTypeName(o1)); - } - return false; //cannot be hit(just to avoid warnings) -} - -#define COND_LITERAL (arg3!=0?ci->_literals[arg1]:STK(arg1)) - -#define SQ_THROW() { goto exception_trap; } - -#define _GUARD(exp) { if(!exp) { SQ_THROW();} } - -bool SQVM::CLOSURE_OP(SQObjectPtr &target, SQFunctionProto *func) -{ - SQInteger nouters; - SQClosure *closure = SQClosure::Create(_ss(this), func); - if((nouters = func->_noutervalues)) { - for(SQInteger i = 0; i<nouters; i++) { - SQOuterVar &v = func->_outervalues[i]; - switch(v._type){ - case otLOCAL: - FindOuter(closure->_outervalues[i], &STK(_integer(v._src))); - break; - case otOUTER: - closure->_outervalues[i] = _closure(ci->_closure)->_outervalues[_integer(v._src)]; - break; - } - } - } - SQInteger ndefparams; - if((ndefparams = func->_ndefaultparams)) { - for(SQInteger i = 0; i < ndefparams; i++) { - SQInteger spos = func->_defaultparams[i]; - closure->_defaultparams[i] = _stack._vals[_stackbase + spos]; - } - } - target = closure; - return true; - -} - - -bool SQVM::CLASS_OP(SQObjectPtr &target,SQInteger baseclass,SQInteger attributes) -{ - SQClass *base = NULL; - SQObjectPtr attrs; - if(baseclass != -1) { - if(type(_stack._vals[_stackbase+baseclass]) != OT_CLASS) { Raise_Error(_SC("trying to inherit from a %s"),GetTypeName(_stack._vals[_stackbase+baseclass])); return false; } - base = _class(_stack._vals[_stackbase + baseclass]); - } - if(attributes != MAX_FUNC_STACKSIZE) { - attrs = _stack._vals[_stackbase+attributes]; - } - target = SQClass::Create(_ss(this),base); - if(type(_class(target)->_metamethods[MT_INHERITED]) != OT_NULL) { - int nparams = 2; - SQObjectPtr ret; - Push(target); Push(attrs); - Call(_class(target)->_metamethods[MT_INHERITED],nparams,_top - nparams, ret, false); - Pop(nparams); - } - _class(target)->_attributes = attrs; - return true; -} - -bool SQVM::IsEqual(const SQObjectPtr &o1,const SQObjectPtr &o2,bool &res) -{ - if(type(o1) == type(o2)) { - res = (_rawval(o1) == _rawval(o2)); - } - else { - if(sq_isnumeric(o1) && sq_isnumeric(o2)) { - res = (tofloat(o1) == tofloat(o2)); - } - else { - res = false; - } - } - return true; -} - -bool SQVM::IsFalse(SQObjectPtr &o) -{ - if(((type(o) & SQOBJECT_CANBEFALSE) - && ( ((type(o) == OT_FLOAT) && (_float(o) == SQFloat(0.0))) )) -#if !defined(SQUSEDOUBLE) || (defined(SQUSEDOUBLE) && defined(_SQ64)) - || (_integer(o) == 0) ) //OT_NULL|OT_INTEGER|OT_BOOL -#else - || (((type(o) != OT_FLOAT) && (_integer(o) == 0))) ) //OT_NULL|OT_INTEGER|OT_BOOL -#endif - { - return true; - } - return false; -} - -bool SQVM::Execute(SQObjectPtr &closure, SQInteger nargs, SQInteger stackbase,SQObjectPtr &outres, SQBool raiseerror,ExecutionType et) -{ - if ((_nnativecalls + 1) > MAX_NATIVE_CALLS) { Raise_Error(_SC("Native stack overflow")); return false; } - _nnativecalls++; - AutoDec ad(&_nnativecalls); - SQInteger traps = 0; - CallInfo *prevci = ci; - - switch(et) { - case ET_CALL: { - temp_reg = closure; - if(!StartCall(_closure(temp_reg), _top - nargs, nargs, stackbase, false)) { - //call the handler if there are no calls in the stack, if not relies on the previous node - if(ci == NULL) CallErrorHandler(_lasterror); - return false; - } - if(ci == prevci) { - outres = STK(_top-nargs); - return true; - } - ci->_root = SQTrue; - } - break; - case ET_RESUME_GENERATOR: _generator(closure)->Resume(this, outres); ci->_root = SQTrue; traps += ci->_etraps; break; - case ET_RESUME_VM: - case ET_RESUME_THROW_VM: - traps = _suspended_traps; - ci->_root = _suspended_root; - _suspended = SQFalse; - if(et == ET_RESUME_THROW_VM) { SQ_THROW(); } - break; - } - -exception_restore: - // - { - for(;;) - { - const SQInstruction &_i_ = *ci->_ip++; - //dumpstack(_stackbase); - //scprintf("\n[%d] %s %d %d %d %d\n",ci->_ip-ci->_iv->_vals,g_InstrDesc[_i_.op].name,arg0,arg1,arg2,arg3); - switch(_i_.op) - { - case _OP_LINE: if (_debughook) CallDebugHook(_SC('l'),arg1); continue; - case _OP_LOAD: TARGET = ci->_literals[arg1]; continue; - case _OP_LOADINT: -#ifndef _SQ64 - TARGET = (SQInteger)arg1; continue; -#else - TARGET = (SQInteger)((SQUnsignedInteger32)arg1); continue; -#endif - case _OP_LOADFLOAT: TARGET = *((SQFloat *)&arg1); continue; - case _OP_DLOAD: TARGET = ci->_literals[arg1]; STK(arg2) = ci->_literals[arg3];continue; - case _OP_TAILCALL:{ - SQObjectPtr &t = STK(arg1); - if (type(t) == OT_CLOSURE - && (!_closure(t)->_function->_bgenerator)){ - SQObjectPtr clo = t; - if(_openouters) CloseOuters(&(_stack._vals[_stackbase])); - for (SQInteger i = 0; i < arg3; i++) STK(i) = STK(arg2 + i); - _GUARD(StartCall(_closure(clo), ci->_target, arg3, _stackbase, true)); - continue; - } - } - case _OP_CALL: { - SQObjectPtr clo = STK(arg1); - switch (type(clo)) { - case OT_CLOSURE: - _GUARD(StartCall(_closure(clo), sarg0, arg3, _stackbase+arg2, false)); - continue; - case OT_NATIVECLOSURE: { - bool suspend; - _GUARD(CallNative(_nativeclosure(clo), arg3, _stackbase+arg2, clo,suspend)); - if(suspend){ - _suspended = SQTrue; - _suspended_target = sarg0; - _suspended_root = ci->_root; - _suspended_traps = traps; - outres = clo; - return true; - } - if(sarg0 != -1) { - STK(arg0) = clo; - } - } - continue; - case OT_CLASS:{ - SQObjectPtr inst; - _GUARD(CreateClassInstance(_class(clo),inst,clo)); - if(sarg0 != -1) { - STK(arg0) = inst; - } - SQInteger stkbase; - switch(type(clo)) { - case OT_CLOSURE: - stkbase = _stackbase+arg2; - _stack._vals[stkbase] = inst; - _GUARD(StartCall(_closure(clo), -1, arg3, stkbase, false)); - break; - case OT_NATIVECLOSURE: - bool suspend; - stkbase = _stackbase+arg2; - _stack._vals[stkbase] = inst; - _GUARD(CallNative(_nativeclosure(clo), arg3, stkbase, clo,suspend)); - break; - default: break; //shutup GCC 4.x - } - } - break; - case OT_TABLE: - case OT_USERDATA: - case OT_INSTANCE:{ - SQObjectPtr closure; - if(_delegable(clo)->_delegate && _delegable(clo)->GetMetaMethod(this,MT_CALL,closure)) { - Push(clo); - for (SQInteger i = 0; i < arg3; i++) Push(STK(arg2 + i)); - if(!CallMetaMethod(closure, MT_CALL, arg3+1, clo)) SQ_THROW(); - if(sarg0 != -1) { - STK(arg0) = clo; - } - break; - } - - //Raise_Error(_SC("attempt to call '%s'"), GetTypeName(clo)); - //SQ_THROW(); - } - default: - Raise_Error(_SC("attempt to call '%s'"), GetTypeName(clo)); - SQ_THROW(); - } - } - continue; - case _OP_PREPCALL: - case _OP_PREPCALLK: { - SQObjectPtr &key = _i_.op == _OP_PREPCALLK?(ci->_literals)[arg1]:STK(arg1); - SQObjectPtr &o = STK(arg2); - if (!Get(o, key, temp_reg,false,arg2)) { - SQ_THROW(); - } - STK(arg3) = o; - _Swap(TARGET,temp_reg);//TARGET = temp_reg; - } - continue; - case _OP_GETK: - if (!Get(STK(arg2), ci->_literals[arg1], temp_reg, false,arg2)) { SQ_THROW();} - _Swap(TARGET,temp_reg);//TARGET = temp_reg; - continue; - case _OP_MOVE: TARGET = STK(arg1); continue; - case _OP_NEWSLOT: - _GUARD(NewSlot(STK(arg1), STK(arg2), STK(arg3),false)); - if(arg0 != 0xFF) TARGET = STK(arg3); - continue; - case _OP_DELETE: _GUARD(DeleteSlot(STK(arg1), STK(arg2), TARGET)); continue; - case _OP_SET: - if (!Set(STK(arg1), STK(arg2), STK(arg3),arg1)) { SQ_THROW(); } - if (arg0 != 0xFF) TARGET = STK(arg3); - continue; - case _OP_GET: - if (!Get(STK(arg1), STK(arg2), temp_reg, false,arg1)) { SQ_THROW(); } - _Swap(TARGET,temp_reg);//TARGET = temp_reg; - continue; - case _OP_EQ:{ - bool res; - if(!IsEqual(STK(arg2),COND_LITERAL,res)) { SQ_THROW(); } - TARGET = res?true:false; - }continue; - case _OP_NE:{ - bool res; - if(!IsEqual(STK(arg2),COND_LITERAL,res)) { SQ_THROW(); } - TARGET = (!res)?true:false; - } continue; - case _OP_ADD: _ARITH_(+,TARGET,STK(arg2),STK(arg1)); continue; - case _OP_SUB: _ARITH_(-,TARGET,STK(arg2),STK(arg1)); continue; - case _OP_MUL: _ARITH_(*,TARGET,STK(arg2),STK(arg1)); continue; - case _OP_DIV: _ARITH_NOZERO(/,TARGET,STK(arg2),STK(arg1),_SC("division by zero")); continue; - case _OP_MOD: ARITH_OP('%',TARGET,STK(arg2),STK(arg1)); continue; - case _OP_BITW: _GUARD(BW_OP( arg3,TARGET,STK(arg2),STK(arg1))); continue; - case _OP_RETURN: - if((ci)->_generator) { - (ci)->_generator->Kill(); - } - if(Return(arg0, arg1, temp_reg)){ - assert(traps==0); - //outres = temp_reg; - _Swap(outres,temp_reg); - return true; - } - continue; - case _OP_LOADNULLS:{ for(SQInt32 n=0; n < arg1; n++) STK(arg0+n).Null(); }continue; - case _OP_LOADROOT: TARGET = _roottable; continue; - case _OP_LOADBOOL: TARGET = arg1?true:false; continue; - case _OP_DMOVE: STK(arg0) = STK(arg1); STK(arg2) = STK(arg3); continue; - case _OP_JMP: ci->_ip += (sarg1); continue; - //case _OP_JNZ: if(!IsFalse(STK(arg0))) ci->_ip+=(sarg1); continue; - case _OP_JCMP: - _GUARD(CMP_OP((CmpOP)arg3,STK(arg2),STK(arg0),temp_reg)); - if(IsFalse(temp_reg)) ci->_ip+=(sarg1); - continue; - case _OP_JZ: if(IsFalse(STK(arg0))) ci->_ip+=(sarg1); continue; - case _OP_GETOUTER: { - SQClosure *cur_cls = _closure(ci->_closure); - SQOuter *otr = _outer(cur_cls->_outervalues[arg1]); - TARGET = *(otr->_valptr); - } - continue; - case _OP_SETOUTER: { - SQClosure *cur_cls = _closure(ci->_closure); - SQOuter *otr = _outer(cur_cls->_outervalues[arg1]); - *(otr->_valptr) = STK(arg2); - if(arg0 != 0xFF) { - TARGET = STK(arg2); - } - } - continue; - case _OP_NEWOBJ: - switch(arg3) { - case NOT_TABLE: TARGET = SQTable::Create(_ss(this), arg1); continue; - case NOT_ARRAY: TARGET = SQArray::Create(_ss(this), 0); _array(TARGET)->Reserve(arg1); continue; - case NOT_CLASS: _GUARD(CLASS_OP(TARGET,arg1,arg2)); continue; - default: assert(0); continue; - } - case _OP_APPENDARRAY: - { - SQObject val; - val._unVal.raw = 0; - switch(arg2) { - case AAT_STACK: - val = STK(arg1); break; - case AAT_LITERAL: - val = ci->_literals[arg1]; break; - case AAT_INT: - val._type = OT_INTEGER; -#ifndef _SQ64 - val._unVal.nInteger = (SQInteger)arg1; -#else - val._unVal.nInteger = (SQInteger)((SQUnsignedInteger32)arg1); -#endif - break; - case AAT_FLOAT: - val._type = OT_FLOAT; - val._unVal.fFloat = *((SQFloat *)&arg1); - break; - case AAT_BOOL: - val._type = OT_BOOL; - val._unVal.nInteger = arg1; - break; - default: assert(0); break; - - } - _array(STK(arg0))->Append(val); continue; - } - case _OP_COMPARITH: { - SQInteger selfidx = (((SQUnsignedInteger)arg1&0xFFFF0000)>>16); - _GUARD(DerefInc(arg3, TARGET, STK(selfidx), STK(arg2), STK(arg1&0x0000FFFF), false, selfidx)); - } - continue; - case _OP_INC: {SQObjectPtr o(sarg3); _GUARD(DerefInc('+',TARGET, STK(arg1), STK(arg2), o, false, arg1));} continue; - case _OP_INCL: { - SQObjectPtr &a = STK(arg1); - if(type(a) == OT_INTEGER) { - a._unVal.nInteger = _integer(a) + sarg3; - } - else { - SQObjectPtr o(sarg3); //_GUARD(LOCAL_INC('+',TARGET, STK(arg1), o)); - _ARITH_(+,a,a,o); - } - } continue; - case _OP_PINC: {SQObjectPtr o(sarg3); _GUARD(DerefInc('+',TARGET, STK(arg1), STK(arg2), o, true, arg1));} continue; - case _OP_PINCL: { - SQObjectPtr &a = STK(arg1); - if(type(a) == OT_INTEGER) { - TARGET = a; - a._unVal.nInteger = _integer(a) + sarg3; - } - else { - SQObjectPtr o(sarg3); _GUARD(PLOCAL_INC('+',TARGET, STK(arg1), o)); - } - - } continue; - case _OP_CMP: _GUARD(CMP_OP((CmpOP)arg3,STK(arg2),STK(arg1),TARGET)) continue; - case _OP_EXISTS: TARGET = Get(STK(arg1), STK(arg2), temp_reg, true,DONT_FALL_BACK)?true:false;continue; - case _OP_INSTANCEOF: - if(type(STK(arg1)) != OT_CLASS) - {Raise_Error(_SC("cannot apply instanceof between a %s and a %s"),GetTypeName(STK(arg1)),GetTypeName(STK(arg2))); SQ_THROW();} - TARGET = (type(STK(arg2)) == OT_INSTANCE) ? (_instance(STK(arg2))->InstanceOf(_class(STK(arg1)))?true:false) : false; - continue; - case _OP_AND: - if(IsFalse(STK(arg2))) { - TARGET = STK(arg2); - ci->_ip += (sarg1); - } - continue; - case _OP_OR: - if(!IsFalse(STK(arg2))) { - TARGET = STK(arg2); - ci->_ip += (sarg1); - } - continue; - case _OP_NEG: _GUARD(NEG_OP(TARGET,STK(arg1))); continue; - case _OP_NOT: TARGET = IsFalse(STK(arg1)); continue; - case _OP_BWNOT: - if(type(STK(arg1)) == OT_INTEGER) { - SQInteger t = _integer(STK(arg1)); - TARGET = SQInteger(~t); - continue; - } - Raise_Error(_SC("attempt to perform a bitwise op on a %s"), GetTypeName(STK(arg1))); - SQ_THROW(); - case _OP_CLOSURE: { - SQClosure *c = ci->_closure._unVal.pClosure; - SQFunctionProto *fp = c->_function; - if(!CLOSURE_OP(TARGET,fp->_functions[arg1]._unVal.pFunctionProto)) { SQ_THROW(); } - continue; - } - case _OP_YIELD:{ - if(ci->_generator) { - if(sarg1 != MAX_FUNC_STACKSIZE) temp_reg = STK(arg1); - _GUARD(ci->_generator->Yield(this,arg2)); - traps -= ci->_etraps; - if(sarg1 != MAX_FUNC_STACKSIZE) _Swap(STK(arg1),temp_reg);//STK(arg1) = temp_reg; - } - else { Raise_Error(_SC("trying to yield a '%s',only genenerator can be yielded"), GetTypeName(ci->_generator)); SQ_THROW();} - if(Return(arg0, arg1, temp_reg)){ - assert(traps == 0); - outres = temp_reg; - return true; - } - - } - continue; - case _OP_RESUME: - if(type(STK(arg1)) != OT_GENERATOR){ Raise_Error(_SC("trying to resume a '%s',only genenerator can be resumed"), GetTypeName(STK(arg1))); SQ_THROW();} - _GUARD(_generator(STK(arg1))->Resume(this, TARGET)); - traps += ci->_etraps; - continue; - case _OP_FOREACH:{ int tojump; - _GUARD(FOREACH_OP(STK(arg0),STK(arg2),STK(arg2+1),STK(arg2+2),arg2,sarg1,tojump)); - ci->_ip += tojump; } - continue; - case _OP_POSTFOREACH: - assert(type(STK(arg0)) == OT_GENERATOR); - if(_generator(STK(arg0))->_state == SQGenerator::eDead) - ci->_ip += (sarg1 - 1); - continue; - case _OP_CLONE: _GUARD(Clone(STK(arg1), TARGET)); continue; - case _OP_TYPEOF: _GUARD(TypeOf(STK(arg1), TARGET)) continue; - case _OP_PUSHTRAP:{ - SQInstruction *_iv = _closure(ci->_closure)->_function->_instructions; - _etraps.push_back(SQExceptionTrap(_top,_stackbase, &_iv[(ci->_ip-_iv)+arg1], arg0)); traps++; - ci->_etraps++; - } - continue; - case _OP_POPTRAP: { - for(SQInteger i = 0; i < arg0; i++) { - _etraps.pop_back(); traps--; - ci->_etraps--; - } - } - continue; - case _OP_THROW: Raise_Error(TARGET); SQ_THROW(); continue; - case _OP_NEWSLOTA: { - bool bstatic = (arg0&NEW_SLOT_STATIC_FLAG)?true:false; - if(type(STK(arg1)) == OT_CLASS) { - if(type(_class(STK(arg1))->_metamethods[MT_NEWMEMBER]) != OT_NULL ) { - Push(STK(arg1)); Push(STK(arg2)); Push(STK(arg3)); - Push((arg0&NEW_SLOT_ATTRIBUTES_FLAG) ? STK(arg2-1) : SQObjectPtr()); - Push(bstatic); - int nparams = 5; - if(Call(_class(STK(arg1))->_metamethods[MT_NEWMEMBER], nparams, _top - nparams, temp_reg,SQFalse)) { - Pop(nparams); - continue; - } - else { - SQ_THROW(); - } - } - } - _GUARD(NewSlot(STK(arg1), STK(arg2), STK(arg3),bstatic)); - if((arg0&NEW_SLOT_ATTRIBUTES_FLAG)) { - _class(STK(arg1))->SetAttributes(STK(arg2),STK(arg2-1)); - } - } - continue; - case _OP_GETBASE:{ - SQClosure *clo = _closure(ci->_closure); - if(clo->_base) { - TARGET = clo->_base; - } - else { - TARGET.Null(); - } - continue; - } - case _OP_CLOSE: - if(_openouters) CloseOuters(&(STK(arg1))); - continue; - } - - } - } -exception_trap: - { - SQObjectPtr currerror = _lasterror; -// dumpstack(_stackbase); -// SQInteger n = 0; - SQInteger last_top = _top; - - if(_ss(this)->_notifyallexceptions || (!traps && raiseerror)) CallErrorHandler(currerror); - - while( ci ) { - if(ci->_etraps > 0) { - SQExceptionTrap &et = _etraps.top(); - ci->_ip = et._ip; - _top = et._stacksize; - _stackbase = et._stackbase; - _stack._vals[_stackbase + et._extarget] = currerror; - _etraps.pop_back(); traps--; ci->_etraps--; - while(last_top >= _top) _stack._vals[last_top--].Null(); - goto exception_restore; - } - else if (_debughook) { - //notify debugger of a "return" - //even if it really an exception unwinding the stack - for(SQInteger i = 0; i < ci->_ncalls; i++) { - CallDebugHook(_SC('r')); - } - } - if(ci->_generator) ci->_generator->Kill(); - bool mustbreak = ci && ci->_root; - LeaveFrame(); - if(mustbreak) break; - } - - _lasterror = currerror; - return false; - } - assert(0); -} - -bool SQVM::CreateClassInstance(SQClass *theclass, SQObjectPtr &inst, SQObjectPtr &constructor) -{ - inst = theclass->CreateInstance(); - if(!theclass->GetConstructor(constructor)) { - constructor.Null(); - } - return true; -} - -void SQVM::CallErrorHandler(SQObjectPtr &error) -{ - if(type(_errorhandler) != OT_NULL) { - SQObjectPtr out; - Push(_roottable); Push(error); - Call(_errorhandler, 2, _top-2, out,SQFalse); - Pop(2); - } -} - - -void SQVM::CallDebugHook(SQInteger type,SQInteger forcedline) -{ - _debughook = false; - SQFunctionProto *func=_closure(ci->_closure)->_function; - if(_debughook_native) { - const SQChar *src = type(func->_sourcename) == OT_STRING?_stringval(func->_sourcename):NULL; - const SQChar *fname = type(func->_name) == OT_STRING?_stringval(func->_name):NULL; - SQInteger line = forcedline?forcedline:func->GetLine(ci->_ip); - _debughook_native(this,type,src,line,fname); - } - else { - SQObjectPtr temp_reg; - SQInteger nparams=5; - Push(_roottable); Push(type); Push(func->_sourcename); Push(forcedline?forcedline:func->GetLine(ci->_ip)); Push(func->_name); - Call(_debughook_closure,nparams,_top-nparams,temp_reg,SQFalse); - Pop(nparams); - } - _debughook = true; -} - -bool SQVM::CallNative(SQNativeClosure *nclosure, SQInteger nargs, SQInteger newbase, SQObjectPtr &retval, bool &suspend) -{ - SQInteger nparamscheck = nclosure->_nparamscheck; - SQInteger newtop = newbase + nargs + nclosure->_noutervalues; - - if (_nnativecalls + 1 > MAX_NATIVE_CALLS) { - Raise_Error(_SC("Native stack overflow")); - return false; - } - - if(nparamscheck && (((nparamscheck > 0) && (nparamscheck != nargs)) || - ((nparamscheck < 0) && (nargs < (-nparamscheck))))) - { - Raise_Error(_SC("wrong number of parameters")); - return false; - } - - SQInteger tcs; - SQIntVec &tc = nclosure->_typecheck; - if((tcs = tc.size())) { - for(SQInteger i = 0; i < nargs && i < tcs; i++) { - if((tc._vals[i] != -1) && !(type(_stack._vals[newbase+i]) & tc._vals[i])) { - Raise_ParamTypeError(i,tc._vals[i],type(_stack._vals[newbase+i])); - return false; - } - } - } - - if(!EnterFrame(newbase, newtop, false)) return false; - ci->_closure = nclosure; - - SQInteger outers = nclosure->_noutervalues; - for (SQInteger i = 0; i < outers; i++) { - _stack._vals[newbase+nargs+i] = nclosure->_outervalues[i]; - } - if(nclosure->_env) { - _stack._vals[newbase] = nclosure->_env->_obj; - } - - _nnativecalls++; - SQInteger ret = (nclosure->_function)(this); - _nnativecalls--; - - suspend = false; - if (ret == SQ_SUSPEND_FLAG) { - suspend = true; - } - else if (ret < 0) { - LeaveFrame(); - Raise_Error(_lasterror); - return false; - } - if(ret) { - retval = _stack._vals[_top-1]; - } - else { - retval.Null(); - } - //retval = ret ? _stack._vals[_top-1] : _null_; - LeaveFrame(); - return true; -} - -#define FALLBACK_OK 0 -#define FALLBACK_NO_MATCH 1 -#define FALLBACK_ERROR 2 - -bool SQVM::Get(const SQObjectPtr &self,const SQObjectPtr &key,SQObjectPtr &dest,bool raw, SQInteger selfidx) -{ - switch(type(self)){ - case OT_TABLE: - if(_table(self)->Get(key,dest))return true; - break; - case OT_ARRAY: - if(sq_isnumeric(key)) { if(_array(self)->Get(tointeger(key),dest)) { return true; } Raise_IdxError(key); return false; } - break; - case OT_INSTANCE: - if(_instance(self)->Get(key,dest)) return true; - break; - case OT_CLASS: - if(_class(self)->Get(key,dest)) return true; - break; - case OT_STRING: - if(sq_isnumeric(key)){ - SQInteger n = tointeger(key); - if(abs((int)n) < _string(self)->_len) { - if(n < 0) n = _string(self)->_len - n; - dest = SQInteger(_stringval(self)[n]); - return true; - } - Raise_IdxError(key); - return false; - } - break; - default:break; //shut up compiler - } - if(!raw) { - switch(FallBackGet(self,key,dest)) { - case FALLBACK_OK: return true; //okie - case FALLBACK_NO_MATCH: break; //keep falling back - case FALLBACK_ERROR: return false; // the metamethod failed - } - if(InvokeDefaultDelegate(self,key,dest)) { - return true; - } - } -//#ifdef ROOT_FALLBACK - if(selfidx == 0) { - if(_table(_roottable)->Get(key,dest)) return true; - } -//#endif - Raise_IdxError(key); - return false; -} - -bool SQVM::InvokeDefaultDelegate(const SQObjectPtr &self,const SQObjectPtr &key,SQObjectPtr &dest) -{ - SQTable *ddel = NULL; - switch(type(self)) { - case OT_CLASS: ddel = _class_ddel; break; - case OT_TABLE: ddel = _table_ddel; break; - case OT_ARRAY: ddel = _array_ddel; break; - case OT_STRING: ddel = _string_ddel; break; - case OT_INSTANCE: ddel = _instance_ddel; break; - case OT_INTEGER:case OT_FLOAT:case OT_BOOL: ddel = _number_ddel; break; - case OT_GENERATOR: ddel = _generator_ddel; break; - case OT_CLOSURE: case OT_NATIVECLOSURE: ddel = _closure_ddel; break; - case OT_THREAD: ddel = _thread_ddel; break; - case OT_WEAKREF: ddel = _weakref_ddel; break; - default: return false; - } - return ddel->Get(key,dest); -} - - -SQInteger SQVM::FallBackGet(const SQObjectPtr &self,const SQObjectPtr &key,SQObjectPtr &dest) -{ - switch(type(self)){ - case OT_TABLE: - case OT_USERDATA: - //delegation - if(_delegable(self)->_delegate) { - if(Get(SQObjectPtr(_delegable(self)->_delegate),key,dest,false,DONT_FALL_BACK)) return FALLBACK_OK; - } - else { - return FALLBACK_NO_MATCH; - } - //go through - case OT_INSTANCE: { - SQObjectPtr closure; - if(_delegable(self)->GetMetaMethod(this, MT_GET, closure)) { - Push(self);Push(key); - _nmetamethodscall++; - AutoDec ad(&_nmetamethodscall); - if(Call(closure, 2, _top - 2, dest, SQFalse)) { - Pop(2); - return FALLBACK_OK; - } - else { - if(type(_lasterror) != OT_NULL) { //NULL means "clean failure" (not found) - //error - Pop(2); - return FALLBACK_ERROR; - } - } - } - } - break; - default: break;//shutup GCC 4.x - } - // no metamethod or no fallback type - return FALLBACK_NO_MATCH; -} - -bool SQVM::Set(const SQObjectPtr &self,const SQObjectPtr &key,const SQObjectPtr &val,SQInteger selfidx) -{ - switch(type(self)){ - case OT_TABLE: - if(_table(self)->Set(key,val)) return true; - break; - case OT_INSTANCE: - if(_instance(self)->Set(key,val)) return true; - break; - case OT_ARRAY: - if(!sq_isnumeric(key)) { Raise_Error(_SC("indexing %s with %s"),GetTypeName(self),GetTypeName(key)); return false; } - if(!_array(self)->Set(tointeger(key),val)) { - Raise_IdxError(key); - return false; - } - return true; - default: - Raise_Error(_SC("trying to set '%s'"),GetTypeName(self)); - return false; - } - - switch(FallBackSet(self,key,val)) { - case FALLBACK_OK: return true; //okie - case FALLBACK_NO_MATCH: break; //keep falling back - case FALLBACK_ERROR: return false; // the metamethod failed - } - if(selfidx == 0) { - if(_table(_roottable)->Set(key,val)) - return true; - } - Raise_IdxError(key); - return false; -} - -SQInteger SQVM::FallBackSet(const SQObjectPtr &self,const SQObjectPtr &key,const SQObjectPtr &val) -{ - switch(type(self)) { - case OT_TABLE: - if(_table(self)->_delegate) { - if(Set(_table(self)->_delegate,key,val,DONT_FALL_BACK)) return FALLBACK_OK; - } - //keps on going - case OT_INSTANCE: - case OT_USERDATA:{ - SQObjectPtr closure; - SQObjectPtr t; - if(_delegable(self)->GetMetaMethod(this, MT_SET, closure)) { - Push(self);Push(key);Push(val); - _nmetamethodscall++; - AutoDec ad(&_nmetamethodscall); - if(Call(closure, 3, _top - 3, t, SQFalse)) { - Pop(3); - return FALLBACK_OK; - } - else { - if(type(_lasterror) != OT_NULL) { //NULL means "clean failure" (not found) - //error - Pop(3); - return FALLBACK_ERROR; - } - } - } - } - break; - default: break;//shutup GCC 4.x - } - // no metamethod or no fallback type - return FALLBACK_NO_MATCH; -} - -bool SQVM::Clone(const SQObjectPtr &self,SQObjectPtr &target) -{ - SQObjectPtr temp_reg; - SQObjectPtr newobj; - switch(type(self)){ - case OT_TABLE: - newobj = _table(self)->Clone(); - goto cloned_mt; - case OT_INSTANCE: { - newobj = _instance(self)->Clone(_ss(this)); -cloned_mt: - SQObjectPtr closure; - if(_delegable(newobj)->_delegate && _delegable(newobj)->GetMetaMethod(this,MT_CLONED,closure)) { - Push(newobj); - Push(self); - if(!CallMetaMethod(closure,MT_CLONED,2,temp_reg)) - return false; - } - } - target = newobj; - return true; - case OT_ARRAY: - target = _array(self)->Clone(); - return true; - default: - Raise_Error(_SC("cloning a %s"), GetTypeName(self)); - return false; - } -} - -bool SQVM::NewSlot(const SQObjectPtr &self,const SQObjectPtr &key,const SQObjectPtr &val,bool bstatic) -{ - if(type(key) == OT_NULL) { Raise_Error(_SC("null cannot be used as index")); return false; } - switch(type(self)) { - case OT_TABLE: { - bool rawcall = true; - if(_table(self)->_delegate) { - SQObjectPtr res; - if(!_table(self)->Get(key,res)) { - SQObjectPtr closure; - if(_delegable(self)->_delegate && _delegable(self)->GetMetaMethod(this,MT_NEWSLOT,closure)) { - Push(self);Push(key);Push(val); - if(!CallMetaMethod(closure,MT_NEWSLOT,3,res)) { - return false; - } - rawcall = false; - } - else { - rawcall = true; - } - } - } - if(rawcall) _table(self)->NewSlot(key,val); //cannot fail - - break;} - case OT_INSTANCE: { - SQObjectPtr res; - SQObjectPtr closure; - if(_delegable(self)->_delegate && _delegable(self)->GetMetaMethod(this,MT_NEWSLOT,closure)) { - Push(self);Push(key);Push(val); - if(!CallMetaMethod(closure,MT_NEWSLOT,3,res)) { - return false; - } - break; - } - Raise_Error(_SC("class instances do not support the new slot operator")); - return false; - break;} - case OT_CLASS: - if(!_class(self)->NewSlot(_ss(this),key,val,bstatic)) { - if(_class(self)->_locked) { - Raise_Error(_SC("trying to modify a class that has already been instantiated")); - return false; - } - else { - SQObjectPtr oval = PrintObjVal(key); - Raise_Error(_SC("the property '%s' already exists"),_stringval(oval)); - return false; - } - } - break; - default: - Raise_Error(_SC("indexing %s with %s"),GetTypeName(self),GetTypeName(key)); - return false; - break; - } - return true; -} - - - -bool SQVM::DeleteSlot(const SQObjectPtr &self,const SQObjectPtr &key,SQObjectPtr &res) -{ - switch(type(self)) { - case OT_TABLE: - case OT_INSTANCE: - case OT_USERDATA: { - SQObjectPtr t; - //bool handled = false; - SQObjectPtr closure; - if(_delegable(self)->_delegate && _delegable(self)->GetMetaMethod(this,MT_DELSLOT,closure)) { - Push(self);Push(key); - return CallMetaMethod(closure,MT_DELSLOT,2,res); - } - else { - if(type(self) == OT_TABLE) { - if(_table(self)->Get(key,t)) { - _table(self)->Remove(key); - } - else { - Raise_IdxError((SQObject &)key); - return false; - } - } - else { - Raise_Error(_SC("cannot delete a slot from %s"),GetTypeName(self)); - return false; - } - } - res = t; - } - break; - default: - Raise_Error(_SC("attempt to delete a slot from a %s"),GetTypeName(self)); - return false; - } - return true; -} - -bool SQVM::Call(SQObjectPtr &closure,SQInteger nparams,SQInteger stackbase,SQObjectPtr &outres,SQBool raiseerror) -{ -#ifdef _DEBUG -SQInteger prevstackbase = _stackbase; -#endif - switch(type(closure)) { - case OT_CLOSURE: - return Execute(closure, nparams, stackbase, outres, raiseerror); - break; - case OT_NATIVECLOSURE:{ - bool suspend; - return CallNative(_nativeclosure(closure), nparams, stackbase, outres,suspend); - - } - break; - case OT_CLASS: { - SQObjectPtr constr; - SQObjectPtr temp; - CreateClassInstance(_class(closure),outres,constr); - if(type(constr) != OT_NULL) { - _stack[stackbase] = outres; - return Call(constr,nparams,stackbase,temp,raiseerror); - } - return true; - } - break; - default: - return false; - } -#ifdef _DEBUG - if(!_suspended) { - assert(_stackbase == prevstackbase); - } -#endif - return true; -} - -bool SQVM::CallMetaMethod(SQObjectPtr &closure,SQMetaMethod mm,SQInteger nparams,SQObjectPtr &outres) -{ - //SQObjectPtr closure; - - _nmetamethodscall++; - if(Call(closure, nparams, _top - nparams, outres, SQFalse)) { - _nmetamethodscall--; - Pop(nparams); - return true; - } - _nmetamethodscall--; - //} - Pop(nparams); - return false; -} - -void SQVM::FindOuter(SQObjectPtr &target, SQObjectPtr *stackindex) -{ - SQOuter **pp = &_openouters; - SQOuter *p; - SQOuter *otr; - - while ((p = *pp) != NULL && p->_valptr >= stackindex) { - if (p->_valptr == stackindex) { - target = SQObjectPtr(p); - return; - } - pp = &p->_next; - } - otr = SQOuter::Create(_ss(this), stackindex); - otr->_next = *pp; - otr->_idx = (stackindex - _stack._vals); - __ObjAddRef(otr); - *pp = otr; - target = SQObjectPtr(otr); -} - -bool SQVM::EnterFrame(SQInteger newbase, SQInteger newtop, bool tailcall) -{ - if( !tailcall ) { - if( _callsstacksize == _alloccallsstacksize ) { - GrowCallStack(); - } - ci = &_callsstack[_callsstacksize++]; - ci->_prevstkbase = (SQInt32)(newbase - _stackbase); - ci->_prevtop = (SQInt32)(_top - _stackbase); - ci->_etraps = 0; - ci->_ncalls = 1; - ci->_generator = NULL; - ci->_root = SQFalse; - } - else { - ci->_ncalls++; - } - - _stackbase = newbase; - _top = newtop; - if(newtop + MIN_STACK_OVERHEAD > (SQInteger)_stack.size()) { - if(_nmetamethodscall) { - Raise_Error(_SC("stack overflow, cannot resize stack while in a metamethod")); - return false; - } - _stack.resize(_stack.size() + (MIN_STACK_OVERHEAD << 2)); - RelocateOuters(); - } - return true; -} - -void SQVM::LeaveFrame() { - SQInteger last_top = _top; - SQInteger last_stackbase = _stackbase; - SQInteger css = --_callsstacksize; - - /* First clean out the call stack frame */ - ci->_closure.Null(); - _stackbase -= ci->_prevstkbase; - _top = _stackbase + ci->_prevtop; - ci = (css) ? &_callsstack[css-1] : NULL; - - if(_openouters) CloseOuters(&(_stack._vals[last_stackbase])); - while (last_top >= _top) { - _stack._vals[last_top--].Null(); - } -} - -void SQVM::RelocateOuters() -{ - SQOuter *p = _openouters; - while (p) { - p->_valptr = _stack._vals + p->_idx; - p = p->_next; - } -} - -void SQVM::CloseOuters(SQObjectPtr *stackindex) { - SQOuter *p; - while ((p = _openouters) != NULL && p->_valptr >= stackindex) { - p->_value = *(p->_valptr); - p->_valptr = &p->_value; - _openouters = p->_next; - __ObjRelease(p); - } -} - -void SQVM::Remove(SQInteger n) { - n = (n >= 0)?n + _stackbase - 1:_top + n; - for(SQInteger i = n; i < _top; i++){ - _stack[i] = _stack[i+1]; - } - _stack[_top].Null(); - _top--; -} - -void SQVM::Pop() { - _stack[--_top].Null(); -} - -void SQVM::Pop(SQInteger n) { - for(SQInteger i = 0; i < n; i++){ - _stack[--_top].Null(); - } -} - -void SQVM::PushNull() { _stack[_top++].Null(); } -void SQVM::Push(const SQObjectPtr &o) { _stack[_top++] = o; } -SQObjectPtr &SQVM::Top() { return _stack[_top-1]; } -SQObjectPtr &SQVM::PopGet() { return _stack[--_top]; } -SQObjectPtr &SQVM::GetUp(SQInteger n) { return _stack[_top+n]; } -SQObjectPtr &SQVM::GetAt(SQInteger n) { return _stack[n]; } - -#ifdef _DEBUG_DUMP -void SQVM::dumpstack(SQInteger stackbase,bool dumpall) -{ - SQInteger size=dumpall?_stack.size():_top; - SQInteger n=0; - scprintf(_SC("\n>>>>stack dump<<<<\n")); - CallInfo &ci=_callsstack[_callsstacksize-1]; - scprintf(_SC("IP: %p\n"),ci._ip); - scprintf(_SC("prev stack base: %d\n"),ci._prevstkbase); - scprintf(_SC("prev top: %d\n"),ci._prevtop); - for(SQInteger i=0;i<size;i++){ - SQObjectPtr &obj=_stack[i]; - if(stackbase==i)scprintf(_SC(">"));else scprintf(_SC(" ")); - scprintf(_SC("[%d]:"),n); - switch(type(obj)){ - case OT_FLOAT: scprintf(_SC("FLOAT %.3f"),_float(obj));break; - case OT_INTEGER: scprintf(_SC("INTEGER %d"),_integer(obj));break; - case OT_BOOL: scprintf(_SC("BOOL %s"),_integer(obj)?"true":"false");break; - case OT_STRING: scprintf(_SC("STRING %s"),_stringval(obj));break; - case OT_NULL: scprintf(_SC("NULL")); break; - case OT_TABLE: scprintf(_SC("TABLE %p[%p]"),_table(obj),_table(obj)->_delegate);break; - case OT_ARRAY: scprintf(_SC("ARRAY %p"),_array(obj));break; - case OT_CLOSURE: scprintf(_SC("CLOSURE [%p]"),_closure(obj));break; - case OT_NATIVECLOSURE: scprintf(_SC("NATIVECLOSURE"));break; - case OT_USERDATA: scprintf(_SC("USERDATA %p[%p]"),_userdataval(obj),_userdata(obj)->_delegate);break; - case OT_GENERATOR: scprintf(_SC("GENERATOR %p"),_generator(obj));break; - case OT_THREAD: scprintf(_SC("THREAD [%p]"),_thread(obj));break; - case OT_USERPOINTER: scprintf(_SC("USERPOINTER %p"),_userpointer(obj));break; - case OT_CLASS: scprintf(_SC("CLASS %p"),_class(obj));break; - case OT_INSTANCE: scprintf(_SC("INSTANCE %p"),_instance(obj));break; - case OT_WEAKREF: scprintf(_SC("WEAKERF %p"),_weakref(obj));break; - default: - assert(0); - break; - }; - scprintf(_SC("\n")); - ++n; - } -} - - - -#endif diff --git a/squirrel_3_0_1_stable/squirrel/sqvm.h b/squirrel_3_0_1_stable/squirrel/sqvm.h deleted file mode 100644 index a21be543d..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqvm.h +++ /dev/null @@ -1,208 +0,0 @@ -/* see copyright notice in squirrel.h */ -#ifndef _SQVM_H_ -#define _SQVM_H_ - -#include "sqopcodes.h" -#include "sqobject.h" -#define MAX_NATIVE_CALLS 100 -#define MIN_STACK_OVERHEAD 15 - -#define SQ_SUSPEND_FLAG -666 -#define DONT_FALL_BACK 666 -//base lib -void sq_base_register(HSQUIRRELVM v); - -struct SQExceptionTrap{ - SQExceptionTrap() {} - SQExceptionTrap(SQInteger ss, SQInteger stackbase,SQInstruction *ip, SQInteger ex_target){ _stacksize = ss; _stackbase = stackbase; _ip = ip; _extarget = ex_target;} - SQExceptionTrap(const SQExceptionTrap &et) { (*this) = et; } - SQInteger _stackbase; - SQInteger _stacksize; - SQInstruction *_ip; - SQInteger _extarget; -}; - -#define _INLINE - -#define STK(a) _stack._vals[_stackbase+(a)] -#define TARGET _stack._vals[_stackbase+arg0] - -typedef sqvector<SQExceptionTrap> ExceptionsTraps; - -struct SQVM : public CHAINABLE_OBJ -{ - struct CallInfo{ - //CallInfo() { _generator = NULL;} - SQInstruction *_ip; - SQObjectPtr *_literals; - SQObjectPtr _closure; - SQGenerator *_generator; - SQInt32 _etraps; - SQInt32 _prevstkbase; - SQInt32 _prevtop; - SQInt32 _target; - SQInt32 _ncalls; - SQBool _root; - }; - -typedef sqvector<CallInfo> CallInfoVec; -public: - void DebugHookProxy(SQInteger type, const SQChar * sourcename, SQInteger line, const SQChar * funcname); - static void _DebugHookProxy(HSQUIRRELVM v, SQInteger type, const SQChar * sourcename, SQInteger line, const SQChar * funcname); - enum ExecutionType { ET_CALL, ET_RESUME_GENERATOR, ET_RESUME_VM,ET_RESUME_THROW_VM }; - SQVM(SQSharedState *ss); - ~SQVM(); - bool Init(SQVM *friendvm, SQInteger stacksize); - bool Execute(SQObjectPtr &func, SQInteger nargs, SQInteger stackbase, SQObjectPtr &outres, SQBool raiseerror, ExecutionType et = ET_CALL); - //starts a native call return when the NATIVE closure returns - bool CallNative(SQNativeClosure *nclosure, SQInteger nargs, SQInteger newbase, SQObjectPtr &retval,bool &suspend); - //starts a SQUIRREL call in the same "Execution loop" - bool StartCall(SQClosure *closure, SQInteger target, SQInteger nargs, SQInteger stackbase, bool tailcall); - bool CreateClassInstance(SQClass *theclass, SQObjectPtr &inst, SQObjectPtr &constructor); - //call a generic closure pure SQUIRREL or NATIVE - bool Call(SQObjectPtr &closure, SQInteger nparams, SQInteger stackbase, SQObjectPtr &outres,SQBool raiseerror); - SQRESULT Suspend(); - - void CallDebugHook(SQInteger type,SQInteger forcedline=0); - void CallErrorHandler(SQObjectPtr &e); - bool Get(const SQObjectPtr &self, const SQObjectPtr &key, SQObjectPtr &dest, bool raw, SQInteger selfidx); - SQInteger FallBackGet(const SQObjectPtr &self,const SQObjectPtr &key,SQObjectPtr &dest); - bool InvokeDefaultDelegate(const SQObjectPtr &self,const SQObjectPtr &key,SQObjectPtr &dest); - bool Set(const SQObjectPtr &self, const SQObjectPtr &key, const SQObjectPtr &val, SQInteger selfidx); - SQInteger FallBackSet(const SQObjectPtr &self,const SQObjectPtr &key,const SQObjectPtr &val); - bool NewSlot(const SQObjectPtr &self, const SQObjectPtr &key, const SQObjectPtr &val,bool bstatic); - bool DeleteSlot(const SQObjectPtr &self, const SQObjectPtr &key, SQObjectPtr &res); - bool Clone(const SQObjectPtr &self, SQObjectPtr &target); - bool ObjCmp(const SQObjectPtr &o1, const SQObjectPtr &o2,SQInteger &res); - bool StringCat(const SQObjectPtr &str, const SQObjectPtr &obj, SQObjectPtr &dest); - static bool IsEqual(const SQObjectPtr &o1,const SQObjectPtr &o2,bool &res); - bool ToString(const SQObjectPtr &o,SQObjectPtr &res); - SQString *PrintObjVal(const SQObjectPtr &o); - - - void Raise_Error(const SQChar *s, ...); - void Raise_Error(const SQObjectPtr &desc); - void Raise_IdxError(const SQObjectPtr &o); - void Raise_CompareError(const SQObject &o1, const SQObject &o2); - void Raise_ParamTypeError(SQInteger nparam,SQInteger typemask,SQInteger type); - - void FindOuter(SQObjectPtr &target, SQObjectPtr *stackindex); - void RelocateOuters(); - void CloseOuters(SQObjectPtr *stackindex); - - bool TypeOf(const SQObjectPtr &obj1, SQObjectPtr &dest); - bool CallMetaMethod(SQObjectPtr &closure, SQMetaMethod mm, SQInteger nparams, SQObjectPtr &outres); - bool ArithMetaMethod(SQInteger op, const SQObjectPtr &o1, const SQObjectPtr &o2, SQObjectPtr &dest); - bool Return(SQInteger _arg0, SQInteger _arg1, SQObjectPtr &retval); - //new stuff - _INLINE bool ARITH_OP(SQUnsignedInteger op,SQObjectPtr &trg,const SQObjectPtr &o1,const SQObjectPtr &o2); - _INLINE bool BW_OP(SQUnsignedInteger op,SQObjectPtr &trg,const SQObjectPtr &o1,const SQObjectPtr &o2); - _INLINE bool NEG_OP(SQObjectPtr &trg,const SQObjectPtr &o1); - _INLINE bool CMP_OP(CmpOP op, const SQObjectPtr &o1,const SQObjectPtr &o2,SQObjectPtr &res); - bool CLOSURE_OP(SQObjectPtr &target, SQFunctionProto *func); - bool CLASS_OP(SQObjectPtr &target,SQInteger base,SQInteger attrs); - //return true if the loop is finished - bool FOREACH_OP(SQObjectPtr &o1,SQObjectPtr &o2,SQObjectPtr &o3,SQObjectPtr &o4,SQInteger arg_2,int exitpos,int &jump); - //_INLINE bool LOCAL_INC(SQInteger op,SQObjectPtr &target, SQObjectPtr &a, SQObjectPtr &incr); - _INLINE bool PLOCAL_INC(SQInteger op,SQObjectPtr &target, SQObjectPtr &a, SQObjectPtr &incr); - _INLINE bool DerefInc(SQInteger op,SQObjectPtr &target, SQObjectPtr &self, SQObjectPtr &key, SQObjectPtr &incr, bool postfix,SQInteger arg0); -#ifdef _DEBUG_DUMP - void dumpstack(SQInteger stackbase=-1, bool dumpall = false); -#endif - -#ifndef NO_GARBAGE_COLLECTOR - void Mark(SQCollectable **chain); - SQObjectType GetType() {return OT_THREAD;} -#endif - void Finalize(); - void GrowCallStack() { - SQInteger newsize = _alloccallsstacksize*2; - _callstackdata.resize(newsize); - _callsstack = &_callstackdata[0]; - _alloccallsstacksize = newsize; - } - bool EnterFrame(SQInteger newbase, SQInteger newtop, bool tailcall); - void LeaveFrame(); - void Release(){ sq_delete(this,SQVM); } -//////////////////////////////////////////////////////////////////////////// - //stack functions for the api - void Remove(SQInteger n); - - static bool IsFalse(SQObjectPtr &o); - - void Pop(); - void Pop(SQInteger n); - void Push(const SQObjectPtr &o); - void PushNull(); - SQObjectPtr &Top(); - SQObjectPtr &PopGet(); - SQObjectPtr &GetUp(SQInteger n); - SQObjectPtr &GetAt(SQInteger n); - - SQObjectPtrVec _stack; - - SQInteger _top; - SQInteger _stackbase; - SQOuter *_openouters; - SQObjectPtr _roottable; - SQObjectPtr _lasterror; - SQObjectPtr _errorhandler; - - bool _debughook; - SQDEBUGHOOK _debughook_native; - SQObjectPtr _debughook_closure; - - SQObjectPtr temp_reg; - - - CallInfo* _callsstack; - SQInteger _callsstacksize; - SQInteger _alloccallsstacksize; - sqvector<CallInfo> _callstackdata; - - ExceptionsTraps _etraps; - CallInfo *ci; - void *_foreignptr; - //VMs sharing the same state - SQSharedState *_sharedstate; - SQInteger _nnativecalls; - SQInteger _nmetamethodscall; - //suspend infos - SQBool _suspended; - SQBool _suspended_root; - SQInteger _suspended_target; - SQInteger _suspended_traps; -}; - -struct AutoDec{ - AutoDec(SQInteger *n) { _n = n; } - ~AutoDec() { (*_n)--; } - SQInteger *_n; -}; - -inline SQObjectPtr &stack_get(HSQUIRRELVM v,SQInteger idx){return ((idx>=0)?(v->GetAt(idx+v->_stackbase-1)):(v->GetUp(idx)));} - -#define _ss(_vm_) (_vm_)->_sharedstate - -#ifndef NO_GARBAGE_COLLECTOR -#define _opt_ss(_vm_) (_vm_)->_sharedstate -#else -#define _opt_ss(_vm_) NULL -#endif - -#define PUSH_CALLINFO(v,nci){ \ - SQInteger css = v->_callsstacksize; \ - if(css == v->_alloccallsstacksize) { \ - v->GrowCallStack(); \ - } \ - v->ci = &v->_callsstack[css]; \ - *(v->ci) = nci; \ - v->_callsstacksize++; \ -} - -#define POP_CALLINFO(v){ \ - SQInteger css = --v->_callsstacksize; \ - v->ci->_closure.Null(); \ - v->ci = css?&v->_callsstack[css-1]:NULL; \ -} -#endif //_SQVM_H_ |