62 lines
1.1 KiB
C
62 lines
1.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "scan.h"
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#include "parse.h"
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#include "cg.h"
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#include "ast.h"
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#include "symbol.h"
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// Print out a usage if started incorrectly
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static void usage(char *prog) {
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fprintf(stderr, "ACC the C compiler. built on: %s.\n", __DATE__);
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fprintf(stderr, "Usage: %s target infile (outfile)\n", prog);
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exit(1);
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}
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//Do clean up job
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void unload(void) {
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cg_unload();
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symbol_unload();
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}
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int main(int argc, char *argv[]) {
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atexit(unload);
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if (argc < 3) {
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usage(argv[0]);
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}
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int outfile_opened = 0;
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if (argc >= 4) {
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open_outputfile(argv[3]);
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outfile_opened = 1;
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}
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int target;
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if (!strcmp(argv[1], "x86_64")) {
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target = CG_X64;
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if (!outfile_opened) {
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open_outputfile("out.s");
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}
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} else if (!strcmp(argv[1], "llvm")) {
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target = CG_LLVM;
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if (!outfile_opened) {
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open_outputfile("out.ll");
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}
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} else if (!strcmp(argv[1], "ast")) {
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target = CG_AST;
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if (!outfile_opened) {
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open_outputfile("out.txt");
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}
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} else {
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fprintf(stderr, "Unknow target %s.\n", argv[1]);
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exit(1);
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}
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symbol_init();
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struct ASTnode *rt = parse(argv[2]);
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cg_main(target, rt);
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ast_free(rt);
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return (0);
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}
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