58 lines
954 B
C
58 lines
954 B
C
#pragma once
|
|
|
|
#include<stdint.h>
|
|
#include<stdio.h>
|
|
#include<stdlib.h>
|
|
#include"str.h"
|
|
#include"tok.h"
|
|
|
|
// Data types
|
|
typedef enum{I8,I16,I32,I64,U8,U16,U32,U64,U8P,U16P,U32P,U64P,STR}VTYPE;
|
|
|
|
// Memory location
|
|
// "Where do I look to find this value?"
|
|
// REG: Register
|
|
// STACK: On stack
|
|
// HEAP: Dynamically allocated
|
|
// IMM: Immediate/constant value
|
|
typedef enum{REG,STACK,HEAP,IMM}VLOC;
|
|
|
|
// Generic memory location
|
|
typedef union Mem
|
|
{
|
|
uint64_t*u64p;
|
|
uint32_t*u32p;
|
|
uint16_t*u16p;
|
|
uint8_t*u8p;
|
|
|
|
uint64_t u64;
|
|
uint32_t u32;
|
|
uint16_t u16;
|
|
uint8_t u8;
|
|
|
|
int64_t i64;
|
|
int32_t i32;
|
|
int16_t i16;
|
|
int8_t i8;
|
|
} Mem;
|
|
|
|
// Variable descriptor
|
|
typedef struct Var
|
|
{
|
|
char*name;
|
|
VTYPE type;
|
|
bool is_arg; // Remember to move arg register to stack
|
|
int32_t stackloc; // STACK: rsp-???
|
|
} Var;
|
|
|
|
// Function descriptor
|
|
typedef struct Func
|
|
{
|
|
char*name;
|
|
size_t no_args;
|
|
} Func;
|
|
|
|
Var var_new(void);
|
|
void var_free(Var*v);
|
|
void var_set_fromtoken(Var*v,Tok*t);
|