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zcc.c
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zcc.c
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/***
* ZCC - a study purpose compiler for C programming language
* By keren. [email protected]
*/
#include "zcc.h"
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
/* =---- Others ----= */
void init(int argc, char **argv) {
lex_init();
}
void test_lex(const char *filename) {
lex_load_file(filename);
while(1) {
int n = lex_next();
if(n != 0) return;
lex_print_token(&lex_token);
}
}
void test_binary(char *filename) {
lex_load_file(filename);
lex_next();
prs_init();
prs_expr();
}
void test_stmt(char *filename) {
lex_load_file(filename);
lex_next();
prs_init();
prs_stmt();
}
void test_decl(char *filename) {
lex_load_file(filename);
lex_next();
prs_init();
prs_decl();
}
void test_decls(char *filename) {
lex_load_file(filename);
lex_next();
prs_init();
prs_decls();
}
void test_ir(char *filename) {
lex_load_file(filename);
lex_next();
prs_init();
sym_init();
prs_decls();
fprintf(stderr, "Parse done.\n");
list_st *funcs = context.funcs;
/* start from 1 to skip wrap function */
int i = 1;
fprintf(stderr, "Read %d funcs.\n", funcs->len);
for(; i < funcs->len; i++) {
printf("\n");
gen_print_func_ir(funcs->elems[i]);
}
}
void test_asm(char *filename) {
lex_load_file(filename);
lex_next();
prs_init();
sym_init();
prs_decls();
fprintf(stderr, "Parse done.\n");
list_st *funcs = context.funcs;
fprintf(stderr, "Read %d funcs.\n", funcs->len);
gen_assembly(stdout);
}
void to_asm(char *infile, char *outfile) {
lex_load_file(infile);
lex_next();
prs_init();
sym_init();
//fprintf(stderr, "sym_init\n");
prs_decls();
fprintf(stderr, "Parse done.\n");
list_st *funcs = context.funcs;
fprintf(stderr, "Read %d funcs.\n", funcs->len);
FILE *fp = fopen(outfile, "w");
gen_assembly(fp);
}
int main(int argc, char **argv)
{
init(argc, argv);
if(argc == 3 && strcmp("-l", argv[1]) == 0)
test_lex(argv[2]);
if(argc == 3 && strcmp("-b", argv[1]) == 0)
test_binary(argv[2]);
if(argc == 3 && strcmp("-s", argv[1]) == 0)
test_stmt(argv[2]);
if(argc == 3 && strcmp("-d", argv[1]) == 0)
test_decl(argv[2]);
if(argc == 3 && strcmp("-ds", argv[1]) == 0)
test_decls(argv[2]);
if(argc == 3 && strcmp("-ir", argv[1]) == 0)
test_ir(argv[2]);
if(argc == 3 && strcmp("-a" , argv[1]) == 0)
test_asm(argv[2]);
if(argc == 5 && strcmp("-a" , argv[1]) == 0 && strcmp("-o", argv[3]) == 0) {
to_asm(argv[2], argv[4]);
}
}