/**

* (C) Copyright 2010. All rights reserved. Sotiris Karavarsamis and Panagiotis Tigas.

* Computer Science Department

* University of Ioannina

*

* icode generation main code

*/

#include <ctype.h>

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <string.h>

#include "lexer.h"

#include "syntax.h"

#include "st.h"

#include "ic.h"

#include "cg.h"

#include "cg_x86.h"

void help() {

char str[] = "Ciscal compiler.\n\

Usage: ciscal [options] ...\n\

Options:\n -f filename \t\t \

Compiles filename. \n -i \t\t\t \

Output icode to icode.txt \n \

-a [x86 or metasim] \t \

Output assembly to assembly.s. \

Default metasim.";

fprintf(stdout, "%s\n", str);

}

char *assembly = NULL;

int main(int argc, char *argv[]) {

int index;

int final = 0;

int icode = 0;

char *filename = NULL;

int c;

opterr = 0;

while ((c = getopt(argc, argv, "f:ia::h")) != -1) {

switch (c) {

case 'h':

help();

return 0;

case 'f':

filename = optarg;

in = fopen(filename, "r");

continue;

case 'i':

icode = 1;

continue;

case 'a':

final = 1;

assembly = optarg;

continue;

case '?':

if (optopt == 'a') {

fprintf (stderr, "Option -%c requires an argument.\n", optopt);

fprintf (stderr, "Setting to default assembly [metasym].\n");

assembly = strdup("metasim");

final = 1;

continue;

}

return 1;

default:

abort();

}

}

/* drop the extra arguments */

for (index = optind; index < argc; index++){

printf ("Non-option argument %s\n", argv[index]);

return 0;

}

/* start parsing */

parse();

/* print the icode quads */

if (icode) {

printquads();

}

/* print the final code */

if (final) {

if (!strcmp(assembly, "x86")) {

generate_final_x86();

print_machine_code_x86();

} else {

generate_final();

print_machine_code();

}

}

return 0;

}