#ifndef _codegen_h_
#define _codegen_h_
#include <stdio.h> /* FILE */
#include <sys/types.h> /* for pid_t */

#include "pre.h"
#include "ast.h"
#include "state.h"
#include "cgBackends.h"

typedef struct {
	FILE *out; /* File where to output QBE IR */
	FILE *asm_out;

	i64 strlit_no;
	i64 internal_label;
	/* Hash map acting as a set, which contains all strings in a compilation
	 * unit. Strings get interned on this hash map to remove duplicates.
	 */
	HashMapStr(i64) *strings;
	pid_t ext_pid, ld_pid;
	enum CodegenBackends backend;
	Compiler *cctx;
} CodegenCtx;

void
spawn_with_iofp(const char *path, char *const *argv, pid_t *pid, FILE **in, FILE **out);
void
process_wait(pid_t pid);
CodegenCtx *
codegen_new(Compiler *cm, enum CodegenBackends backend);
void
codegen_destroy(CodegenCtx *cgctx);
void
codegen(CodegenCtx *cgctx, Ast *program);

#endif