lang/ir.h

79 lines
988 B
C

#ifndef __IR_H__
#define __IR_H__
#include "tok.h"
enum IRInstr {
IRSet,
IRNeg,
IRAdd,
IRSub,
IRMul,
IRDiv,
IRPrint,
IRJnz,
IRInstrEnumSize,
};
typedef enum IRInstr IRInstr;
extern const char *irinstr_str[IRInstrEnumSize];
typedef struct IRParam {
enum {
IRParamNull = 0,
IRParamLiteral,
IRParamAddr,
} kind;
union {
Value Literal;
size_t Addr;
};
} IRParam;
typedef struct IRArgs {
struct IRArgs *next;
IRParam param;
} IRArgs;
typedef struct IRTok {
size_t ln, col;
IRInstr instr;
union {
struct {
size_t addr;
IRParam val;
} Unary;
struct {
size_t addr;
IRParam lhs, rhs;
} Arith;
struct {
IRArgs *args;
size_t args_size;
} Print;
struct {
size_t iaddr;
IRParam condition;
} CJmp;
};
} IRTok;
typedef struct IRToks {
size_t len, cap;
IRTok *toks;
} IRToks;
void irtoks_init(IRToks *v);
void irtoks_term(IRToks *v);
void irtoks_app(IRToks *v, IRTok t);
void print_ir(IRToks *v);
#endif /* IR_H */