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/**
* @file ir_machine.h
* @description A very basic intermediate representation storage.
*
* @note All intermediate reps are sizeof uint8_t
*/
#ifndef IRMACHINE_H
#define IRMACHINE_H
#include <stddef.h>
#include <stdint.h>
#include "sv.h"
#include "symtab.h"
// STMT
#define VAR_DECL (uint64_t)0x10000000
#define VAR_ASSIGN (uint64_t)0x01000000
// SYM
#define SYM (uint64_t)0x00100000
#define NUMBER64 (uint64_t)0
#define VAR_DECL_QWORD VAR_DECL | (uint64_t)0x1
#define VAR_DECL_DWORD VAR_DECL | (uint64_t)0x2
#define VAR_DECL_WORD VAR_DECL | (uint64_t)0x3
#define VAR_DECL_BYTE VAR_DECL | (uint64_t)0x4
#define STMT_DONE (uint64_t)5
#define SYM_VAR (uint64_t)6
#define SYM_FUNC (uint64_t)7
enum irm_state {
IRM_PANIC,
IRM_GRACEFUL
};
struct irm {
uint64_t *storage; // performance, easier to manage.
size_t size;
size_t curr_pos;
enum irm_state state;
struct symbol_table symtab;
size_t stackdepth;
size_t scopedepth;
};
void irm_init(struct irm *irm);
void irm_panic(struct irm *irm);
void irm_stmt_enter_scope(struct irm *irm);
void irm_stmt_leave_scope(struct irm *irm);
void irm_stmt_done(struct irm *irm);
void irm_push(struct irm *irm, uint64_t type);
void irm_push_64v(struct irm *irm, uint64_t type, uint64_t value);
void irm_push_lookup_sym(struct irm *irm, uint64_t type, struct string_view sym);
void irm_push_sym(struct irm *irm, uint64_t type, struct string_view sym);
#endif
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