Michael Fabian 'Xaymar' Dirks
55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
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#ifndef CODEGEN_H
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#define CODEGEN_H
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#include "std.hpp"
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enum{
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IR_JUMP,IR_JUMPT,IR_JUMPF,IR_JUMPGE,
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IR_SEQ,IR_MOVE,IR_MEM,IR_LOCAL,IR_GLOBAL,IR_ARG,IR_CONST,
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IR_JSR,IR_RET,IR_AND,IR_OR,IR_XOR,IR_SHL,IR_SHR,IR_SAR,
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IR_CALL,IR_RETURN,IR_CAST,
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IR_NEG,IR_ADD,IR_SUB,IR_MUL,IR_DIV,
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IR_SETEQ,IR_SETNE,IR_SETLT,IR_SETGT,IR_SETLE,IR_SETGE,
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IR_FCALL,IR_FRETURN,IR_FCAST,
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IR_FNEG,IR_FADD,IR_FSUB,IR_FMUL,IR_FDIV,
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IR_FSETEQ,IR_FSETNE,IR_FSETLT,IR_FSETGT,IR_FSETLE,IR_FSETGE,
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};
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struct TNode{
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int op; //opcode
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TNode *l,*r; //args
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int iconst; //for CONST type_int
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string sconst; //for CONST type_string
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TNode( int op,TNode *l=0,TNode *r=0 ):op(op),l(l),r(r),iconst(0){}
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TNode( int op,TNode *l,TNode *r,int i ):op(op),l(l),r(r),iconst(i){}
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TNode( int op,TNode *l,TNode *r,const string &s ):op(op),l(l),r(r),iconst(0),sconst(s){}
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~TNode(){ delete l;delete r; }
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void log();
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};
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class Codegen{
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public:
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ostream &out;
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bool debug;
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Codegen( ostream &out,bool debug ):out( out ),debug( debug ){}
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virtual void enter( const string &l,int frameSize )=0;
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virtual void code( TNode *code )=0;
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virtual void leave( TNode *cleanup,int pop_sz )=0;
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virtual void label( const string &l )=0;
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virtual void i_data( int i,const string &l="" )=0;
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virtual void s_data( const string &s,const string &l="" )=0;
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virtual void p_data( const string &p,const string &l="" )=0;
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virtual void align_data( int n )=0;
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virtual void flush()=0;
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};
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#endif |