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92 lines
3.3 KiB
C++
92 lines
3.3 KiB
C++
/* see copyright notice in squirrel.h */
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#ifndef _SQFUNCSTATE_H_
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#define _SQFUNCSTATE_H_
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///////////////////////////////////
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#include "squtils.h"
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struct SQFuncState
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{
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SQFuncState(SQSharedState *ss,SQFuncState *parent,CompilerErrorFunc efunc,void *ed);
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~SQFuncState();
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#ifdef _DEBUG_DUMP
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void Dump(SQFunctionProto *func);
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#endif
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void Error(const SQChar *err);
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SQFuncState *PushChildState(SQSharedState *ss);
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void PopChildState();
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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);}
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void AddInstruction(SQInstruction &i);
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void SetIntructionParams(SQInteger pos,SQInteger arg0,SQInteger arg1,SQInteger arg2=0,SQInteger arg3=0);
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void SetIntructionParam(SQInteger pos,SQInteger arg,SQInteger val);
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SQInstruction &GetInstruction(SQInteger pos){return _instructions[pos];}
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void PopInstructions(SQInteger size){for(SQInteger i=0;i<size;i++)_instructions.pop_back();}
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void SetStackSize(SQInteger n);
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SQInteger CountOuters(SQInteger stacksize);
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void SnoozeOpt(){_optimization=false;}
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void AddDefaultParam(SQInteger trg) { _defaultparams.push_back(trg); }
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SQInteger GetDefaultParamCount() { return _defaultparams.size(); }
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SQInteger GetCurrentPos(){return _instructions.size()-1;}
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SQInteger GetNumericConstant(const SQInteger cons);
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SQInteger GetNumericConstant(const SQFloat cons);
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SQInteger PushLocalVariable(const SQObject &name);
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void AddParameter(const SQObject &name);
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//void AddOuterValue(const SQObject &name);
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SQInteger GetLocalVariable(const SQObject &name);
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void MarkLocalAsOuter(SQInteger pos);
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SQInteger GetOuterVariable(const SQObject &name);
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SQInteger GenerateCode();
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SQInteger GetStackSize();
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SQInteger CalcStackFrameSize();
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void AddLineInfos(SQInteger line,bool lineop,bool force=false);
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SQFunctionProto *BuildProto();
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SQInteger AllocStackPos();
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SQInteger PushTarget(SQInteger n=-1);
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SQInteger PopTarget();
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SQInteger TopTarget();
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SQInteger GetUpTarget(SQInteger n);
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void DiscardTarget();
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bool IsLocal(SQUnsignedInteger stkpos);
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SQObject CreateString(const SQChar *s,SQInteger len = -1);
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SQObject CreateTable();
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bool IsConstant(const SQObject &name,SQObject &e);
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SQInteger _returnexp;
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SQLocalVarInfoVec _vlocals;
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SQIntVec _targetstack;
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SQInteger _stacksize;
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bool _varparams;
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bool _bgenerator;
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SQIntVec _unresolvedbreaks;
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SQIntVec _unresolvedcontinues;
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SQObjectPtrVec _functions;
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SQObjectPtrVec _parameters;
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SQOuterVarVec _outervalues;
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SQInstructionVec _instructions;
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SQLocalVarInfoVec _localvarinfos;
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SQObjectPtr _literals;
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SQObjectPtr _strings;
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SQObjectPtr _name;
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SQObjectPtr _sourcename;
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SQInteger _nliterals;
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SQLineInfoVec _lineinfos;
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SQFuncState *_parent;
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SQIntVec _scope_blocks;
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SQIntVec _breaktargets;
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SQIntVec _continuetargets;
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SQIntVec _defaultparams;
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SQInteger _lastline;
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SQInteger _traps; //contains number of nested exception traps
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SQInteger _outers;
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bool _optimization;
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SQSharedState *_sharedstate;
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sqvector<SQFuncState*> _childstates;
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SQInteger GetConstant(const SQObject &cons);
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private:
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CompilerErrorFunc _errfunc;
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void *_errtarget;
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SQSharedState *_ss;
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};
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#endif //_SQFUNCSTATE_H_
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