gmqcc/main.c
2012-07-28 12:59:33 +02:00

265 lines
8.6 KiB
C

/*
* Copyright (C) 2012
* Dale Weiler
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "gmqcc.h"
uint32_t opt_flags[1 + (NUM_F_FLAGS / 32)];
uint32_t opt_O = 1;
const char *opt_output = "progs.dat";
int opt_standard = STD_DEF;
typedef struct { char *filename; int type; } argitem;
VECTOR_MAKE(argitem, items);
#define TYPE_QC 0
#define TYPE_ASM 1
#define TYPE_SRC 2
static const char *app_name;
static int usage() {
printf("usage: %s [options] [files...]", app_name);
printf("options:\n"
" -h, --help show this help message\n"
" -o, --output=file output file, defaults to progs.dat\n"
" -a filename add an asm file to be assembled\n"
" -s filename add a progs.src file to be used\n");
printf(" -fflag enable a flag\n"
" -fno-flag disable a flag\n"
" -std standard select one of the following standards\n"
" -std=qcc original QuakeC\n"
" -std=fteqcc fteqcc QuakeC\n"
" -std=gmqcc this compiler (default)\n");
printf("\n");
printf("flags:\n"
" -fdarkplaces-string-table-bug\n"
" patch the string table to work with some bugged darkplaces versions\n"
" -fomit-nullbytes\n"
" omits certain null-bytes for a smaller output - requires a patched engine\n"
);
return -1;
}
static bool options_setflag(const char *name, bool on) {
size_t i;
for (i = 0; i < opt_flag_list_count; ++i) {
if (!strcmp(name, opt_flag_list[i].name)) {
longbit lb = opt_flag_list[i].bit;
#if 0
if (on)
opt_flags[lb.idx] |= (1<<(lb.bit));
else
opt_flags[lb.idx] &= ~(1<<(lb.bit));
#else
if (on)
opt_flags[0] |= (1<<lb);
else
opt_flags[0] &= ~(1<<(lb));
#endif
return true;
}
}
return false;
}
static bool options_witharg(int *argc_, char ***argv_, char **out) {
int argc = *argc_;
char **argv = *argv_;
if (argv[0][2]) {
*out = argv[0]+2;
return true;
}
/* eat up the next */
if (argc < 2) /* no parameter was provided */
return false;
*out = argv[1];
--*argc_;
++*argv_;
return true;
}
static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
int argc = *argc_;
char **argv = *argv_;
size_t len = strlen(optname);
if (strncmp(argv[0]+ds, optname, len))
return false;
/* it's --optname, check how the parameter is supplied */
if (argv[0][ds+len] == '=') {
/* using --opt=param */
*out = argv[0]+ds+len+1;
return true;
}
if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
return false;
/* using --opt param */
*out = argv[1];
--*argc_;
++*argv_;
return true;
}
static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
}
static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
}
static bool options_parse(int argc, char **argv) {
bool argend = false;
while (!argend && argc > 1) {
char *argarg;
argitem item;
++argv;
--argc;
if (argv[0][0] == '-') {
/* All gcc-type long options */
if (options_long_gcc("std", &argc, &argv, &argarg)) {
if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default"))
opt_standard = STD_DEF;
else if (!strcmp(argarg, "qcc"))
opt_standard = STD_QCC;
else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc"))
opt_standard = STD_FTE;
else {
printf("Unknown standard: %s\n", argarg);
return false;
}
continue;
}
switch (argv[0][1]) {
/* -h, show usage but exit with 0 */
case 'h':
usage();
exit(0);
break;
/* handle all -fflags */
case 'f':
if (!strncmp(argv[0]+2, "no-", 3)) {
if (!options_setflag(argv[0]+5, false)) {
printf("unknown flag: %s\n", argv[0]+2);
return false;
}
}
else if (!options_setflag(argv[0]+2, true)) {
printf("unknown flag: %s\n", argv[0]+2);
return false;
}
break;
case 'O':
if (!options_witharg(&argc, &argv, &argarg)) {
printf("option -O requires a numerical argument\n");
return false;
}
opt_O = atoi(argarg);
break;
case 'o':
if (!options_witharg(&argc, &argv, &argarg)) {
printf("option -o requires an argument: the output file name\n");
return false;
}
opt_output = argarg;
break;
case 'a':
case 's':
item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
if (!options_witharg(&argc, &argv, &argarg)) {
printf("option -a requires a filename %s\n",
(argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
return false;
}
item.filename = argarg;
items_add(item);
break;
case '-':
if (!argv[0][2]) {
/* anything following -- is considered a non-option argument */
argend = true;
break;
}
/* All long options without arguments */
else if (!strcmp(argv[0]+2, "help")) {
usage();
exit(0);
}
else {
/* All long options with arguments */
if (options_long_witharg("output", &argc, &argv, &argarg))
opt_output = argarg;
else
{
printf("Unknown parameter: %s\n", argv[0]);
return false;
}
}
break;
default:
printf("Unknown parameter: %s\n", argv[0]);
return false;
}
}
else
{
/* it's a QC filename */
argitem item;
item.filename = argv[0];
item.type = TYPE_QC;
items_add(item);
}
}
return true;
}
int main(int argc, char **argv) {
app_name = argv[0];
if (!options_parse(argc, argv)) {
return usage();
}
util_debug("COM", "starting ...\n");
/* stuff */
util_debug("COM", "cleaning ...\n");
util_meminfo();
return 0;
}