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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "lex.h"
#include "parse.h"
#include "instruction.h"
#include "output/output_bin.h"
//#define DEBUG
#include "debug.h"
void print_help(const char *argv0)
{
fprintf(stderr, "Syntax: %s <in.asm> <out.bin>\n", argv0);
}
int main(int argc, char **argv)
{
int error_ret = 1;
int ret = 0;
const char *path_in = NULL;
const char *path_out = NULL;
FILE *fin = NULL;
FILE *fout = NULL;
if (argc < 3) {
print_help(argv[0]);
return 1;
}
if (strcmp(argv[1], "-q") == 0) {
if (argc != 4) {
print_help(argv[0]);
return 0;
}
error_ret = 0;
path_in = argv[2];
path_out = argv[3];
} else {
path_in = argv[1];
path_out = argv[2];
}
if ((fin = fopen(path_in, "r")) == NULL) {
fprintf(stderr, "Error opening %s: ", path_in);
perror("fopen");
return error_ret;
}
debug("Opened fin\n");
if ((fout = fopen(path_out, "wb")) == NULL) {
fprintf(stderr, "Error opening %s: ", path_out);
perror("fopen");
return error_ret;
}
debug("Opened fout\n");
/****/
struct token *tokens = NULL;
size_t tok_count = 0;
if ((tokens = lex(path_in, fin, &tok_count)) == NULL)
return error_ret;
fclose(fin);
debug("Lexed.\n");
/* FIXME package these things into `tok_result`, `parse_result` etc */
struct instruction *insts;
size_t insts_count;
struct label *labels;
size_t labels_count;
if ((ret = parse(path_in, fin, &labels, &labels_count, tokens, tok_count, &insts, &insts_count)))
return error_ret && ret;
debug("Parsed.\n");
/* FIXME insert pass for sanity checking identifiers, sizes of values */
/* FIXME insert optional pass for optimisation */
if ((ret = output_bin(fout, labels, labels_count, insts, insts_count)))
return error_ret && ret;
parse_free(insts, insts_count, labels, labels_count);
lex_free(tokens, tok_count);
fclose(fout);
debug("Output.\n");
return 0;
}
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