rabbit/rabbit/FuncState.hpp

99 lines
3.7 KiB
C++

/**
* @author Alberto DEMICHELIS
* @author Edouard DUPIN
* @copyright 2018, Edouard DUPIN, all right reserved
* @copyright 2003-2017, Alberto DEMICHELIS, all right reserved
* @license MPL-2 (see license file)
*/
#pragma once
#include <etk/Vector.hpp>
#include <rabbit/LocalVarInfo.hpp>
#include <rabbit/OuterVar.hpp>
#include <rabbit/LineInfo.hpp>
#include <rabbit/Instruction.hpp>
namespace rabbit {
class FuncState {
public:
FuncState(rabbit::SharedState *ss,rabbit::FuncState *parent,compilererrorFunc efunc,void *ed);
~FuncState();
#ifdef _DEBUG_DUMP
void dump(rabbit::FunctionProto *func);
#endif
void error(const char *err);
FuncState *pushChildState(rabbit::SharedState *ss);
void popChildState();
void addInstruction(SQOpcode _op,int64_t arg0=0,int64_t arg1=0,int64_t arg2=0,int64_t arg3=0);
void addInstruction(rabbit::Instruction &i);
void setIntructionParams(int64_t pos,int64_t arg0,int64_t arg1,int64_t arg2=0,int64_t arg3=0);
void setIntructionParam(int64_t pos,int64_t arg,int64_t val);
rabbit::Instruction &getInstruction(int64_t pos){return _instructions[pos];}
void popInstructions(int64_t size){for(int64_t i=0;i<size;i++)_instructions.popBack();}
void setStacksize(int64_t n);
int64_t CountOuters(int64_t stacksize);
void snoozeOpt(){_optimization=false;}
void addDefaultParam(int64_t trg) { _defaultparams.pushBack(trg); }
int64_t getDefaultParamCount() { return _defaultparams.size(); }
int64_t getCurrentPos(){return _instructions.size()-1;}
int64_t getNumericConstant(const int64_t cons);
int64_t getNumericConstant(const float_t cons);
int64_t pushLocalVariable(const rabbit::Object &name);
void addParameter(const rabbit::Object &name);
//void addOuterValue(const rabbit::Object &name);
int64_t getLocalVariable(const rabbit::Object &name);
void markLocalAsOuter(int64_t pos);
int64_t getOuterVariable(const rabbit::Object &name);
int64_t generateCode();
int64_t getStacksize();
int64_t calcStackFramesize();
void addLineInfos(int64_t line,bool lineop,bool force=false);
rabbit::FunctionProto *buildProto();
int64_t allocStackPos();
int64_t pushTarget(int64_t n=-1);
int64_t popTarget();
int64_t topTarget();
int64_t getUpTarget(int64_t n);
void discardTarget();
bool isLocal(uint64_t stkpos);
rabbit::Object createString(const char *s,int64_t len = -1);
rabbit::Object createTable();
bool isConstant(const rabbit::Object &name,rabbit::Object &e);
int64_t _returnexp;
etk::Vector<rabbit::LocalVarInfo> _vlocals;
etk::Vector<int64_t> _targetstack;
int64_t _stacksize;
bool _varparams;
bool _bgenerator;
etk::Vector<int64_t> _unresolvedbreaks;
etk::Vector<int64_t> _unresolvedcontinues;
etk::Vector<rabbit::ObjectPtr> _functions;
etk::Vector<rabbit::ObjectPtr> _parameters;
etk::Vector<rabbit::OuterVar> _outervalues;
etk::Vector<rabbit::Instruction> _instructions;
etk::Vector<rabbit::LocalVarInfo> _localvarinfos;
rabbit::ObjectPtr _literals;
rabbit::ObjectPtr _strings;
rabbit::ObjectPtr _name;
rabbit::ObjectPtr _sourcename;
int64_t _nliterals;
etk::Vector<rabbit::LineInfo> _lineinfos;
FuncState *_parent;
etk::Vector<int64_t> _scope_blocks;
etk::Vector<int64_t> _breaktargets;
etk::Vector<int64_t> _continuetargets;
etk::Vector<int64_t> _defaultparams;
int64_t _lastline;
int64_t _traps; //contains number of nested exception traps
int64_t _outers;
bool _optimization;
rabbit::SharedState *_sharedstate;
etk::Vector<FuncState*> _childstates;
int64_t getConstant(const rabbit::Object &cons);
private:
compilererrorFunc _errfunc;
void *_errtarget;
rabbit::SharedState *_ss;
};
}