mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-02 17:12:55 +00:00
6d5ffa9f8e
There's still some cleanup to do, but everything seems to be working nicely: `make -j` works, `make distcheck` passes. There is probably plenty of bitrot in the package directories (RPM, debian), though. The vc project files have been removed since those versions are way out of date and quakeforge is pretty much dependent on gcc now anyway. Most of the old Makefile.am files are now Makemodule.am. This should allow for new Makefile.am files that allow local building (to be added on an as-needed bases). The current remaining Makefile.am files are for standalone sub-projects.a The installable bins are currently built in the top-level build directory. This may change if the clutter gets to be too much. While this does make a noticeable difference in build times, the main reason for the switch was to take care of the growing dependency issues: now it's possible to build tools for code generation (eg, using qfcc and ruamoko programs for code-gen).
355 lines
7.6 KiB
C
355 lines
7.6 KiB
C
/*
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cpp.c
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cpp preprocessing support
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Copyright (C) 2002 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2002/06/04
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_SYS_WAIT_H
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# include <sys/wait.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_PROCESS_H
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# include <process.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#ifdef HAVE_IO_H
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#include <io.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include "QF/dstring.h"
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#include "tools/qfcc/include/cpp.h"
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#include "tools/qfcc/include/diagnostic.h"
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#include "tools/qfcc/include/options.h"
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typedef struct cpp_arg_s {
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struct cpp_arg_s *next;
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const char *arg;
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} cpp_arg_t;
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cpp_arg_t *cpp_arg_list;
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cpp_arg_t **cpp_arg_tail = &cpp_arg_list;
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cpp_arg_t *cpp_def_list;
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cpp_arg_t **cpp_def_tail = &cpp_def_list;
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cpp_arg_t *cpp_undef_list;
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cpp_arg_t **cpp_undef_tail = &cpp_undef_list;
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cpp_arg_t *cpp_sysinc_list;
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cpp_arg_t **cpp_sysinc_tail = &cpp_sysinc_list;
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const char **cpp_argv;
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const char *cpp_name = CPP_NAME;
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static int cpp_argc = 0;
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dstring_t *tempname;
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static const char **
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append_cpp_args (const char **arg, cpp_arg_t *arg_list)
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{
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cpp_arg_t *cpp_arg;
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for (cpp_arg = arg_list; cpp_arg; cpp_arg = cpp_arg->next)
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*arg++ = cpp_arg->arg;
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return arg;
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}
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static void
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add_cpp_arg (const char *arg)
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{
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cpp_arg_t *cpp_arg = malloc (sizeof (cpp_arg_t));
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cpp_arg->next = 0;
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cpp_arg->arg = arg;
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*cpp_arg_tail = cpp_arg;
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cpp_arg_tail = &(*cpp_arg_tail)->next;
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cpp_argc++;
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}
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void
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add_cpp_sysinc (const char *arg)
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{
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cpp_arg_t *cpp_arg = malloc (sizeof (cpp_arg_t));
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cpp_arg->next = 0;
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cpp_arg->arg = arg;
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*cpp_sysinc_tail = cpp_arg;
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cpp_sysinc_tail = &(*cpp_sysinc_tail)->next;
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cpp_argc++;
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}
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void
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add_cpp_undef (const char *arg)
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{
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cpp_arg_t *cpp_arg = malloc (sizeof (cpp_arg_t));
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cpp_arg->next = 0;
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cpp_arg->arg = arg;
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*cpp_undef_tail = cpp_arg;
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cpp_undef_tail = &(*cpp_undef_tail)->next;
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cpp_argc++;
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}
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void
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add_cpp_def (const char *arg)
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{
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cpp_arg_t *cpp_def = malloc (sizeof (cpp_arg_t));
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cpp_def->next = 0;
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cpp_def->arg = arg;
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*cpp_def_tail = cpp_def;
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cpp_def_tail = &(*cpp_def_tail)->next;
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cpp_argc++;
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}
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void
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parse_cpp_name (void)
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{
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char *n;
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if (!cpp_name)
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return;
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n = strdup (cpp_name);
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while (*n) {
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while (*n && *n == ' ')
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n++;
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add_cpp_arg (n);
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while (*n && *n != ' ')
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n++;
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if (*n)
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*n++ = 0;
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}
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}
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static void
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build_cpp_args (const char *in_name, const char *out_name)
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{
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cpp_arg_t *cpp_arg;
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const char **arg;
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if (cpp_argv)
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free (cpp_argv);
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cpp_argv = (const char **)malloc ((cpp_argc + 1) * sizeof (char *));
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for (arg = cpp_argv, cpp_arg = cpp_arg_list;
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cpp_arg;
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cpp_arg = cpp_arg->next) {
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if (!strcmp (cpp_arg->arg, "%u")) {
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arg = append_cpp_args (arg, cpp_undef_list);
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} else if (!strcmp (cpp_arg->arg, "%s")) {
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arg = append_cpp_args (arg, cpp_sysinc_list);
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} else if (!strcmp (cpp_arg->arg, "%d")) {
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arg = append_cpp_args (arg, cpp_def_list);
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} else if (!strcmp (cpp_arg->arg, "%i")) {
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*arg++ = in_name;
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} else if (!strcmp (cpp_arg->arg, "%o")) {
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if (!options.preprocess_only) {
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*arg++ = out_name;
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}
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} else {
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if (!options.preprocess_only || strcmp (cpp_arg->arg, "-o") != 0)
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*arg++ = cpp_arg->arg;
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}
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}
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*arg = 0;
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}
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//============================================================================
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void
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intermediate_file (dstring_t *ifile, const char *filename, const char *ext,
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int local)
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{
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if (options.save_temps) {
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char *basename = strdup (filename);
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char *temp;
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temp = strrchr (basename, '/');
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if (!temp)
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temp = basename;
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temp = strrchr (temp, '.');
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if (temp)
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*temp = '\0'; // ignore the rest of the string
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temp = strrchr (basename, '/');
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if (!temp)
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temp = basename;
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else
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temp++;
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if (*sourcedir) {
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dsprintf (ifile, "%s%c%s.%s", sourcedir,
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PATH_SEPARATOR, temp, ext);
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} else {
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dsprintf (ifile, "%s.%s", temp, ext);
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}
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free (basename);
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} else if (local) {
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char *temp2 = strrchr (this_program, PATH_SEPARATOR);
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dsprintf (ifile, "%sXXXXXX", temp2 ? temp2 + 1 : this_program);
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} else {
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const char *temp1 = getenv ("TMPDIR");
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char *temp2 = strrchr (this_program, PATH_SEPARATOR);
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if ((!temp1) || (!temp1[0])) {
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temp1 = getenv ("TEMP");
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if ((!temp1) || (!temp1[0])) {
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temp1 = "/tmp";
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}
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}
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dsprintf (ifile, "%s%c%sXXXXXX", temp1,
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PATH_SEPARATOR, temp2 ? temp2 + 1 : this_program);
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}
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}
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FILE *
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preprocess_file (const char *filename, const char *ext)
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{
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#ifndef _WIN32
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pid_t pid;
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int tempfd = 0;
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#endif
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if (cpp_name) {
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intermediate_file (tempname, filename, ext ? ext : "p", 0);
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build_cpp_args (filename, tempname->str);
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if (!cpp_argv[0]) {
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internal_error(0, "cpp_argv[0] is null");
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}
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#ifdef _WIN32
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if (!options.save_temps && !options.preprocess_only)
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mktemp (tempname->str);
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{
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FILE *tmp = fopen (tempname->str, "wb");
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if (tmp == NULL) {
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fprintf (stderr, "%s: qfcc was unable to open\n",
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tempname->str);
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return 0;
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}
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fclose (tmp);
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}
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{
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int status;
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if (options.verbosity > 1) {
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const char **a;
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for (a = cpp_argv; *a; a++)
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printf ("%s ", *a);
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puts("");
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}
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#ifdef _WIN64
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status = spawnvp (_P_WAIT, cpp_argv[0], (char **) cpp_argv);
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#else
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status = spawnvp (_P_WAIT, cpp_argv[0], cpp_argv);
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#endif
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if (status) {
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fprintf (stderr, "%s: cpp returned error code %d\n",
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filename,
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status);
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return 0;
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}
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}
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if (options.preprocess_only)
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return 0;
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return fopen (tempname->str, "rb");
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#else
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if (!options.save_temps && !options.preprocess_only)
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tempfd = mkstemp (tempname->str);
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if ((pid = fork ()) == -1) {
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perror ("fork");
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return 0;
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}
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if (!pid) {
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// we're a child, check for abuse
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if (options.verbosity > 1) {
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const char **a;
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for (a = cpp_argv; *a; a++)
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printf ("%s ", *a);
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puts("");
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}
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#ifdef HAVE_EXECVP
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execvp (cpp_argv[0], (char **)cpp_argv);
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#else
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execve (cpp_argv[0], (char **)cpp_argv, environ);
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#endif
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perror (cpp_argv[0]);
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exit (1);
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} else {
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// give parental guidance (or bury it in the back yard)
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int status;
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pid_t rc;
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// printf ("pid = %d\n", pid);
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#ifdef HAVE_WAITPID
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rc = waitpid (0, &status, 0 | WUNTRACED);
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#else
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rc = wait (&status);
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#endif
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if ((rc) != pid) {
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if (rc == -1) {
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perror ("wait");
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return 0;
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}
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fprintf (stderr, "%s: The wrong child (%ld) died. Don't ask me, I don't know either.\n",
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this_program,
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(long) rc);
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return 0;
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}
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if (WIFEXITED (status)) {
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if (WEXITSTATUS (status)) {
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fprintf (stderr, "%s: cpp returned error code %d\n",
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filename,
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WEXITSTATUS (status));
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return 0;
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}
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} else {
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fprintf (stderr, "%s: cpp returned prematurely.\n", filename);
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return 0;
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}
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}
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if (options.preprocess_only)
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return 0;
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else if (options.save_temps)
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return fopen (tempname->str, "rb");
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else {
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return fdopen (tempfd, "rb");
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}
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#endif
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}
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return fopen (filename, "rb");
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}
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