Michael Fabian 'Xaymar' Dirks
c4947bd12a
compiler is blitzcc, what I previously called compiler is now compiler_lib
93 lines
1.7 KiB
C++
93 lines
1.7 KiB
C++
#pragma once
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#include <string>
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#include <ostream>
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enum {
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IR_JUMP,
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IR_JUMPT,
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IR_JUMPF,
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IR_JUMPGE,
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IR_SEQ,
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IR_MOVE,
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IR_MEM,
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IR_LOCAL,
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IR_GLOBAL,
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IR_ARG,
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IR_CONST,
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IR_JSR,
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IR_RET,
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IR_AND,
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IR_OR,
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IR_XOR,
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IR_SHL,
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IR_SHR,
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IR_SAR,
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IR_CALL,
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IR_RETURN,
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IR_CAST,
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IR_NEG,
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IR_ADD,
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IR_SUB,
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IR_MUL,
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IR_DIV,
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IR_SETEQ,
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IR_SETNE,
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IR_SETLT,
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IR_SETGT,
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IR_SETLE,
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IR_SETGE,
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IR_FCALL,
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IR_FRETURN,
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IR_FCAST,
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IR_FNEG,
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IR_FADD,
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IR_FSUB,
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IR_FMUL,
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IR_FDIV,
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IR_FSETEQ,
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IR_FSETNE,
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IR_FSETLT,
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IR_FSETGT,
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IR_FSETLE,
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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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std::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 std::string& s) : op(op), l(l), r(r), iconst(0), sconst(s) {}
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~TNode()
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{
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delete l;
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delete r;
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}
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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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std::ostream& out;
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bool debug;
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Codegen(std::ostream& out, bool debug) : out(out), debug(debug) {}
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virtual void enter(const std::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 std::string& l) = 0;
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virtual void i_data(int i, const std::string& l = "") = 0;
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virtual void s_data(const std::string& s, const std::string& l = "") = 0;
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virtual void p_data(const std::string& p, const std::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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