quakeforge/tools/qfcc/source/pragma.c
Bill Currie 8a2788c267 [gamecode] Add PROG_V6P_VERSION and bump PROG_VERSION
This allows the VM to select the right execution loop and qfcc currently
still produces only the old IS (it doesn't know how to deal with the new
IS yet)
2022-01-03 13:56:43 +09:00

141 lines
3.2 KiB
C

/*
praga.c
pragma handling
Copyright (C) 2012 Bill Currie <bill@taniwha.org>
Author: Bill Currie <bill@taniwha.org>
Date: 2012/11/22
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <stdlib.h>
#include "QF/alloc.h"
#include "QF/pr_comp.h"
#include "tools/qfcc/include/diagnostic.h"
#include "tools/qfcc/include/opcodes.h"
#include "tools/qfcc/include/options.h"
#include "tools/qfcc/include/pragma.h"
#include "tools/qfcc/include/strpool.h"
#include "tools/qfcc/include/type.h"
typedef struct pragma_arg_s {
struct pragma_arg_s *next;
const char *arg;
} pragma_arg_t;
static pragma_arg_t *pragma_args_freelist;
static pragma_arg_t *pragma_args;
static pragma_arg_t **pragma_args_tail = &pragma_args;
static void
set_traditional (int traditional)
{
switch (traditional) {
case 0:
options.traditional = 0;
options.advanced = true;
options.code.progsversion = PROG_V6P_VERSION;
type_default = &type_integer;
break;
case 1:
options.traditional = 1;
options.advanced = false;
options.code.progsversion = PROG_ID_VERSION;
type_default = &type_float;
break;
case 2:
options.traditional = 2;
options.advanced = false;
options.code.progsversion = PROG_ID_VERSION;
type_default = &type_float;
break;
}
opcode_init (); // reset the opcode table
}
static void
set_bug (pragma_arg_t *args)
{
if (!args) {
warning (0, "missing bug flag");
return;
}
const char *flag = args->arg;
if (!strcmp (flag, "none")) {
options.bug.silent = true;
} else if (!strcmp (flag, "!none")) {
options.bug.silent = false;
} else if (!strcmp (flag, "die")) {
options.bug.promote = true;
} else if (!strcmp (flag, "!die")) {
options.bug.promote = false;
}
if (args->next) {
warning (0, "pragma bug: ignoring extra arguments");
}
}
void
pragma_process ()
{
if (!pragma_args) {
warning (0, "empty pragma");
return;
}
const char *id = pragma_args->arg;
if (!strcmp (id, "traditional")) {
set_traditional (2);
} else if (!strcmp (id, "extended")) {
set_traditional (1);
} else if (!strcmp (id, "advanced")) {
set_traditional (0);
} else if (!strcmp (id, "bug")) {
set_bug (pragma_args->next);
} else {
warning (0, "unknown pragma: '%s'", id);
}
*pragma_args_tail = pragma_args_freelist;
pragma_args_tail = &pragma_args;
pragma_args = 0;
}
void
pragma_add_arg (const char *id)
{
pragma_arg_t *arg;
ALLOC (16, pragma_arg_t, pragma_args, arg);
arg->arg = save_string (id);
*pragma_args_tail = arg;
pragma_args_tail = &arg->next;
}