* Copyright (C) 1999,2000 the Free Software Foundation.
* Copyright (C) 2000 Eazel, Inc.
* Copyright (C) 2001-2011 George (Jiri) Lebl
- * Copyright © 2019-2020 Nick Bowler
+ * Copyright © 2019-2021 Nick Bowler
*
* Author: George (Jiri) Lebl
*
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
+#include <limits.h>
+#include <getopt.h>
#include "treefuncs.h"
#include "parse.h"
#include "main.h"
+enum {
+ SOPT_END = UCHAR_MAX,
+ LOPT_VERSION,
+ LOPT_NO_TOUCH,
+ LOPT_FILE_SEP,
+ LOPT_M4,
+ LOPT_M4_CLEAN,
+ LOPT_M4_DIR
+};
+
+static const char sopts[] = "wnho:";
+static const struct option lopts[] = {
+ { "help", 0, NULL, 'h' },
+ { "version", 0, NULL, LOPT_VERSION },
+ { "exit-on-warn", 0, NULL, 'w' },
+ { "no-exit-on-warn", 0, &exit_on_warn, FALSE },
+ { "for-cpp", 0, &for_cpp, TRUE },
+ { "no-extern-c", 0, &no_extern_c, TRUE },
+ { "no-gnu", 0, &no_gnu, TRUE },
+ { "no-touch", 0, NULL, LOPT_NO_TOUCH },
+ { "no-touch-headers", 0, &no_touch_headers, TRUE },
+ { "always-private-header", 0, &private_header, PRIVATE_HEADER_ALWAYS },
+ { "ondemand-private-header", 0, &private_header, PRIVATE_HEADER_ONDEMAND },
+ { "no-private-header", 0, &private_header, PRIVATE_HEADER_NEVER },
+ { "always-private-struct", 0, &always_private_struct, TRUE },
+ { "m4", 0, NULL, LOPT_M4 },
+ { "m4-clean", 0, NULL, LOPT_M4_CLEAN },
+ { "m4-dir", 0, NULL, LOPT_M4_DIR },
+ { "no-write", 0, NULL, 'n' },
+ { "no-lines", 0, &no_lines, TRUE },
+ { "no-self-alias", 0, &no_self_alias, TRUE },
+ { "no-kill-underscores", 0, NULL, 0 /* no-op */ },
+ { "output-dir", 1, NULL, 'o' },
+ { "file-sep", 2, NULL, LOPT_FILE_SEP },
+ { "gtk3", 0, >k3_ok, TRUE },
+ { 0 }
+};
+
char *filename = NULL;
int yyparse(void);
gboolean use_m4 = FALSE; /* preprocess sources with m4 */
-gboolean use_m4_clean = FALSE; /* preprocess sources with m4, no m4 flags */
char *m4_commandline = NULL;
#define M4_INCLUDE_DIR PKGDATADIR "/m4"
#define M4_BASE_FILENAME "gobm4.m4"
out_printf(out, "}\n\n");
}
+static void define_add_privates(Class *c)
+{
+ const char *addprivate = c->dynamic
+ ? "G_ADD_PRIVATE_DYNAMIC"
+ : "G_ADD_PRIVATE";
+
+ if (!privates)
+ return;
+
+ out_printf(out, "#ifdef %s\n"
+ "#define ___add_privates() %s(%s)\n"
+ "#else\n"
+ "#define ___add_privates()\n"
+ "#endif\n\n",
+ addprivate, addprivate, typebase);
+}
+
static void add_type_info(void)
{
out_printf(out, "\tstatic const GTypeInfo info = {\n"
Class *c = (Class *)class;
define_add_interfaces(c);
+ define_add_privates(c);
- out_printf(out, "GType %s_get_type(void)\n"
+ out_printf(out, "#ifdef G_DEFINE_TYPE_EXTENDED\n\n"
+ "G_DEFINE_TYPE_EXTENDED(%s, %s, %s,\n"
+ "\t(GTypeFlags)%s,\n",
+ typebase, funcbase, pmacrotype,
+ c->abstract ? "G_TYPE_FLAG_ABSTRACT" : "0");
+
+ if (privates)
+ out_printf(out, "\t___add_privates();\n");
+
+ if (c->interfaces)
+ out_printf(out, "\t___add_interfaces(g_define_type_id);\n");
+
+ /* Fallback for GLib < 2.4 */
+ out_printf(out, ");\n\n"
+ "#else\n\n"
+ "GType %s_get_type(void)\n"
"{\n"
"\tstatic GType type = 0;\n",
funcbase);
out_printf(out, "\t}\n\n"
"\treturn type;\n"
- "}\n\n");
+ "}\n\n"
+ "#endif\n\n");
}
static void
Class *c = (Class *)class;
define_dynamic_add_interfaces(c);
+ define_add_privates(c);
- out_printf(out, "static GType %s_type_id;\n\n"
+ /*
+ * G_DEFINE_DYNAMIC_TYPE_EXTENDED is usable if available, except for
+ * some reason it defines an xxx_register_type function with internal
+ * linkage. This is kind of weird so we have to work around that.
+ */
+ out_printf(out, "#ifdef G_DEFINE_DYNAMIC_TYPE_EXTENDED\n\n"
+ "static void %s_class_finalize(%sClass *c) { }\n\n"
+ "#define %s_register_type ___register_type\n",
+ funcbase, typebase, funcbase);
+
+ out_printf(out, "G_DEFINE_DYNAMIC_TYPE_EXTENDED(%s, %s, %s,\n"
+ "\t(GTypeFlags)%s,\n",
+ typebase, funcbase, pmacrotype,
+ c->abstract ? "G_TYPE_FLAG_ABSTRACT" : "0");
+
+ if (privates)
+ out_printf(out, "\t___add_privates();\n");
+
+ if (c->interfaces) {
+ out_printf(out, "\t___add_interfaces"
+ "(type_module, %s_type_id);\n", funcbase);
+ }
+
+ out_printf(out, ");\n"
+ "#undef %s_register_type\n\n"
+ "void %s_register_type(GTypeModule *type_module)\n"
+ "{\n"
+ "\t___register_type(type_module);\n"
+ "}\n\n",
+ funcbase, funcbase);
+
+ /* Fallback for GLib < 2.14 */
+ out_printf(out, "#else\n\n"
+ "static GType %s_type_id;\n\n"
"GType %s_get_type(void)\n"
"{\n"
"\treturn %s_type_id;\n"
funcbase);
}
- out_printf(out, "}\n\n");
+ out_printf(out, "}\n\n"
+ "#endif\n\n");
}
static void
out_addline_outfile(out);
}
+static void add_class_private(Class *c, Method *m)
+{
+ const char *dynamic = c->dynamic ? "_DYNAMIC" : "";
+
+ if (!privates)
+ return;
+
+ out_printf(out, "\n#if !defined(G_DEFINE%s_TYPE_EXTENDED)"
+ " || !defined(G_ADD_PRIVATE%s)\n"
+ "\tg_type_class_add_private(%s, sizeof(%sPrivate));\n"
+ "#endif\n",
+ dynamic, dynamic,
+ ((FuncArg *)m->args->data)->name, typebase);
+}
+
+static void get_instance_private(Class *c, Method *m)
+{
+ const char *self = ((FuncArg *)m->args->data)->name;
+ const char *dynamic = c->dynamic ? "_DYNAMIC" : "";
+
+ if (!privates) {
+ if (always_private_struct) {
+ out_printf(out, "\t%s->_priv = NULL;\n", self);
+ }
+
+ return;
+ }
+
+ out_printf(out, "\t%s->_priv = (%sPrivate *)\n"
+ "#if defined(G_DEFINE%s_TYPE_EXTENDED)"
+ " && defined(G_ADD_PRIVATE%s)\n"
+ "\t\t%s_get_instance_private(%s);\n"
+ "#else\n"
+ "\t\tG_TYPE_INSTANCE_GET_PRIVATE\n"
+ "\t\t\t( %s\n"
+ "\t\t\t, %s\n"
+ "\t\t\t, %sPrivate\n"
+ "\t\t\t);\n"
+ "#endif\n",
+ self, typebase,
+ dynamic, dynamic,
+ funcbase, self,
+ self, macrotype, typebase);
+}
+
static void
add_inits(Class *c)
{
out_printf(out,
"#define __GOB_FUNCTION__ \"%s::init\"\n",
c->otype);
- if (privates > 0) {
- out_printf(out, "\t%s->_priv = "
- "G_TYPE_INSTANCE_GET_PRIVATE(%s,%s,%sPrivate);\n",
- ((FuncArg *)m->args->data)->name,
- ((FuncArg *)m->args->data)->name,
- macrotype,
- typebase);
- } else if(always_private_struct) {
- out_printf(out, "\t%s->_priv = NULL;\n",
- ((FuncArg *)m->args->data)->name);
- }
+
+ get_instance_private(c, m);
+
if(initializers > 0) {
GList *li;
for(li = ((Class *)class)->nodes;
((FuncArg *)m->args->data)->name,
did_base_obj);
- if (privates > 0)
- out_printf (out,
- "\n\tg_type_class_add_private(%s,sizeof(%sPrivate));\n",
- ((FuncArg *)m->args->data)->name,
- typebase);
+ add_class_private(c, m);
if (initializers > 0) {
GList *li;
if (file_sep != 0)
sep[0] = file_sep;
outfilephbase = g_strconcat (fullfilebase, sep, "private.h", NULL);
- outfileph = g_strconcat (outfilephbase, no_touch ? "#gob#" : "", NULL);
+ outfileph = g_strconcat (outfilephbase, no_touch_headers ? "#gob#" : "", NULL);
} else {
outfilephbase = NULL;
outfileph = NULL;
}
-
+
if ( ! no_write) {
out = fopen (outfile, "w");
if (out == NULL) {
" * Public methods\n"
" */\n");
- if (!overrode_get_type) {
+ if (!overrode_get_type && !no_gnu) {
/*
* For ordinary "static" types it should be safe to mark the
* get_type implementation as const, since the get_type
g_free (str);
out_printf (outh, "%s_get_type()\n", funcprefix);
- out_printf (outh, "GType %s_get_type (void) G_GNUC_CONST;\n\n", funcprefix);
+ out_printf (outh, "GType %s_get_type (void)%s;\n\n",
+ funcprefix, no_gnu ? "": " G_GNUC_CONST");
out_printf (out,
"GType\n%s_get_type (void)\n"
g_free (str);
out_printf (outh, "%s_get_type()\n", funcprefix);
- out_printf (outh, "GType %s_get_type (void) G_GNUC_CONST;\n\n", funcprefix);
+ out_printf (outh, "GType %s_get_type (void)%s;\n\n",
+ funcprefix, no_gnu ? "" : " G_GNUC_CONST");
out_printf (out,
"GType\n%s_get_type (void)\n"
g_free (str);
out_printf (outh, "%s_get_type ()\n", funcprefix);
- out_printf (outh, "GType %s_get_type (void) G_GNUC_CONST;\n\n", funcprefix);
+ out_printf (outh, "GType %s_get_type (void)%s;\n\n",
+ funcprefix, no_gnu ? "" : " G_GNUC_CONST");
out_printf (out,
"GType\n%s_get_type (void)\n"
print_header_postfixes();
}
+static void print_version(void)
+{
+ printf("%s (%s) %s\n", PACKAGE_NAME, PACKAGE_TARNAME, PACKAGE_VERSION);
+ putchar('\n');
+ puts("Copyright (C) 2013 George (Jiri) Lebl et al.");
+ puts("Copyright (C) 2020 Nick Bowler");
+ puts("License GPLv2+: GNU GPL version 2 or later <https://gnu.org/licenses/gpl.html>.");
+ puts("This is free software: you are free to change and redistribute it.");
+ puts("There is NO WARRANTY, to the extent permitted by law.");
+
+}
+
+static void print_usage(FILE *f)
+{
+ fprintf(f, "Usage: %s [options] file.gob\n", g_get_prgname());
+ if (f == stderr) {
+ fprintf(f, "Try '%s --help' for more information.\n",
+ g_get_prgname());
+ }
+}
+
static void
print_help(void)
{
- fprintf(stderr, "Gob version %s\n\n", VERSION);
- fprintf(stderr, "gob [options] file.gob\n\n");
- fprintf(stderr, "Options:\n"
- "\t--help,-h,-? Display this help\n"
- "\t--version Display version\n"
- "\t--exit-on-warn,-w Exit with an error on warnings\n"
- "\t--no-exit-on-warn Don't exit on warnings [default]\n"
- "\t--for-cpp Create C++ files\n"
- "\t--no-extern-c Never print extern \"C\" into the "
- "header\n"
- "\t--no-gnu Never use GNU extentions\n"
- "\t--no-touch Don't touch output files unless they "
- "really\n"
- "\t changed (implies --no-touch-headers)\n"
- "\t--no-touch-headers Don't touch headers unless they "
- "really changed\n"
- "\t--always-private-header Always create a private header "
- "file,\n"
- "\t even if it would be empty\n"
- "\t--ondemand-private-header Create private header only when "
- "needed\n"
- "\t [default]\n"
- "\t--no-private-header Don't create a private header, "
- "put private\n"
- "\t structure and protected "
- "prototypes inside c file\n"
- "\t--always-private-struct Always create a private pointer "
- "in\n"
- "\t the object structure\n"
- "\t--m4 Preprocess source with m4. "
- "Following args will\n"
- "\t be passed to m4\n"
- "\t--m4-dir Print directory that will be "
- "searched for m4\n"
- "\t files\n"
- "\t--no-write,-n Don't write output files, just "
- "check syntax\n"
- "\t--no-lines Don't print '#line' to output\n"
- "\t--no-self-alias Don't create self type and macro "
- "aliases\n"
- "\t--no-kill-underscores Ignored for compatibility\n"
- "\t-o,--output-dir The directory where output "
- "should be placed\n"
- "\t--file-sep[=c] replace default \'-\' file "
- "name separator\n\n"
- "\t--gtk3 Use gtk+3\n"
- );
- fprintf(stderr, "End world hunger, donate to the World Food Programme, http://www.wfp.org\n");
+ print_usage(stdout);
+
+ puts(
+"This is \"GObject Builder\": a simple preprocessor to help with\n"
+"implementing GObject types in C.\n"
+ );
+
+ puts("Options:");
+ puts(" --help,-h,-? Display this help\n"
+ " --version Display version\n"
+ " --exit-on-warn,-w Exit with an error on warnings\n"
+ " --no-exit-on-warn Don't exit on warnings [default]\n"
+ " --for-cpp Create C++ files\n"
+ " --no-extern-c Never print extern \"C\" into the "
+ "header\n"
+ " --no-gnu Never use GNU extentions\n"
+ " --no-touch Don't touch output files unless they "
+ "really\n"
+ " changed (implies --no-touch-headers)\n"
+ " --no-touch-headers Don't touch headers unless they "
+ "really changed\n"
+ " --always-private-header Always create a private header "
+ "file,\n"
+ " even if it would be empty\n"
+ " --ondemand-private-header Create private header only when "
+ "needed\n"
+ " [default]\n"
+ " --no-private-header Don't create a private header, "
+ "put private\n"
+ " structure and protected "
+ "prototypes inside c file\n"
+ " --always-private-struct Always create a private pointer "
+ "in\n"
+ " the object structure\n"
+ " --m4 Preprocess source with m4. "
+ "Following args will\n"
+ " be passed to m4\n"
+ " --m4-dir Print directory that will be "
+ "searched for m4\n"
+ " files\n"
+ " --no-write,-n Don't write output files, just "
+ "check syntax\n"
+ " --no-lines Don't print '#line' to output\n"
+ " --no-self-alias Don't create self type and macro "
+ "aliases\n"
+ " --no-kill-underscores Ignored for compatibility\n"
+ " -o,--output-dir The directory where output "
+ "should be placed\n"
+ " --file-sep[=c] replace default \'-\' file "
+ "name separator\n\n"
+ " --gtk3 Use gtk+3\n"
+ );
+
+ puts("End world hunger, donate to the World Food Programme: https://www.wfp.org/");
}
-static void
-parse_options(int argc, char *argv[])
+/*
+ * Called after getopt_long receives an --m4 argument. Immediately stop
+ * processing options. Then all non-option arguments seen so far together
+ * with all remaining arguments are appended to M4_COMMANDLINE. If m4_clean
+ * is false, then M4_FLAGS is inserted before the first non-option argument,
+ * if any.
+ *
+ * The resulting string is returned, which should be freed by the caller.
+ */
+static char *parse_m4_options(int argc, char **argv, gboolean m4_clean)
{
- int i;
- int got_file = FALSE;
- int no_opts = FALSE;
- int m4_opts = FALSE; /* if we are just passing on args to m4 */
-
- filename = NULL;
-
- for(i = 1 ; i < argc; i++) {
- if(m4_opts) {
- char *new_commandline;
- g_assert(m4_commandline!=NULL);
-
- /* check whether this one looks like the filename */
- if((!strcmp(argv[i],"-") || argv[i][0] != '-')
- && !got_file) {
- const gchar *m4_flags=use_m4_clean?"":M4_FLAGS;
- filename = argv[i];
- got_file = TRUE;
-
- /* insert flags before the filename */
- new_commandline=g_strconcat(m4_commandline,
- " ",
- m4_flags,
- " ",
- argv[i],
- NULL);
- }
+ char **nonopt = NULL, *save_argv0, *ret;
+ int opt;
- /* just an ordinary option */
- else
- new_commandline=g_strconcat(m4_commandline,
- " ",
- argv[i],
- NULL);
-
- /* free old commandline */
- g_free(m4_commandline);
- m4_commandline=new_commandline;
-
- } else if(no_opts ||
- argv[i][0] != '-') {
- /*must be a file*/
- if(got_file) {
- fprintf(stderr, "Specify only one file!\n");
- print_help();
- exit(1);
- }
- filename = argv[i];
- got_file = TRUE;
- } else if(strcmp(argv[i], "--help")==0) {
- print_help();
- exit(0);
- } else if(strcmp(argv[i], "--version")==0) {
- fprintf(stderr, "Gob version %s\n", VERSION);
- exit(0);
- } else if(strcmp(argv[i], "--exit-on-warn")==0) {
- exit_on_warn = TRUE;
- } else if(strcmp(argv[i], "--no-exit-on-warn")==0) {
- exit_on_warn = FALSE;
- } else if(strcmp(argv[i], "--for-cpp")==0) {
- for_cpp = TRUE;
- } else if(strcmp(argv[i], "--no-touch")==0) {
- no_touch = TRUE;
- no_touch_headers = TRUE;
- } else if(strcmp(argv[i], "--no-touch-headers")==0) {
- no_touch_headers = TRUE;
- } else if(strcmp(argv[i], "--ondemand-private-header")==0) {
- private_header = PRIVATE_HEADER_ONDEMAND;
- } else if(strcmp(argv[i], "--always-private-header")==0) {
- private_header = PRIVATE_HEADER_ALWAYS;
- } else if(strcmp(argv[i], "--no-private-header")==0) {
- private_header = PRIVATE_HEADER_NEVER;
- } else if(strcmp(argv[i], "--no-gnu")==0) {
- no_gnu = TRUE;
- } else if(strcmp(argv[i], "--no-extern-c")==0) {
- no_extern_c = TRUE;
- } else if(strcmp(argv[i], "--no-write")==0) {
+ /* First, conclude getopt run and reset with remaining args */
+ getopt_long(optind, argv, sopts, lopts, NULL);
+ argv += optind-1;
+ argc -= optind-1;
+ optind = 0;
+
+ save_argv0 = argv[0];
+ argv[0] = M4_COMMANDLINE;
+
+ if (m4_clean) {
+ ret = g_strjoinv(" ", argv);
+ argv[0] = save_argv0;
+ return ret;
+ }
+
+ /* Locate first non-option argument, if any. */
+ while ((opt = getopt_long(argc, argv, "-", NULL, NULL)) != -1) {
+ if (opt == 1) {
+ nonopt = &argv[optind-2];
+ break;
+ }
+ }
+
+ /* If there is a non-option but the above didn't see it, must be "--" */
+ if (!nonopt && argv[optind])
+ nonopt = &argv[optind-2];
+
+ if (nonopt) {
+ /* Found non-option, insert M4_FLAGS just before it. */
+ char *save_argv[3] = { nonopt[0], nonopt[1], nonopt[2] };
+
+ nonopt[1] = M4_FLAGS;
+ nonopt[2] = NULL;
+ nonopt[0] = g_strjoinv(" ", argv);
+
+ nonopt[1] = save_argv[1];
+ nonopt[2] = save_argv[2];
+ ret = g_strjoinv(" ", nonopt);
+
+ g_free(nonopt[0]);
+ nonopt[0] = save_argv[0];
+ } else {
+ /* Only options, not inserting M4_FLAGS. */
+ ret = g_strjoinv(" ", argv);
+ }
+
+ argv[0] = save_argv0;
+ return ret;
+}
+
+static int parse_options(int argc, char **argv)
+{
+ gboolean show_m4_dir = FALSE, m4_clean = FALSE;
+ char *raw_file_sep = "-";
+ int opt;
+
+ opterr = 0;
+ while ((opt = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
+ switch (opt) {
+ case 'n':
no_write = TRUE;
- } else if(strcmp(argv[i], "--no-lines")==0) {
- no_lines = TRUE;
- } else if(strcmp(argv[i], "--no-self-alias")==0) {
- no_self_alias = TRUE;
- } else if(strcmp(argv[i], "--no-kill-underscores")==0) {
- /* no op */;
- } else if(strcmp(argv[i], "--always-private-struct")==0) {
- always_private_struct = TRUE;
- } else if(strcmp(argv[i], "--m4-dir")==0) {
- printf("%s\n",M4_INCLUDE_DIR);
- exit(0);
- } else if(strcmp(argv[i], "--m4")==0) {
- use_m4 = TRUE;
- use_m4_clean=FALSE;
- m4_opts = TRUE;
- m4_commandline=g_strdup(M4_COMMANDLINE);
- } else if(strcmp(argv[i], "--m4-clean")==0) {
+ break;
+ case 'o':
+ output_dir = optarg;
+ break;
+ case 'w':
+ exit_on_warn = TRUE;
+ break;
+ case LOPT_FILE_SEP:
+ raw_file_sep = optarg ? optarg : "";
+ break;
+ case LOPT_M4_DIR:
+ show_m4_dir = TRUE;
+ break;
+ case LOPT_NO_TOUCH:
+ no_touch = no_touch_headers = TRUE;
+ break;
+ case LOPT_M4_CLEAN:
+ m4_clean = TRUE;
+ case LOPT_M4:
use_m4 = TRUE;
- use_m4_clean=TRUE;
- m4_opts = TRUE;
- m4_commandline=g_strdup(M4_COMMANDLINE);
- } else if (strcmp (argv[i], "-o") == 0 ||
- strcmp (argv[i], "--output-dir") == 0) {
- if (i+1 < argc) {
- output_dir = g_strdup (argv[i+1]);
- i++;
- } else {
- output_dir = NULL;
- }
- } else if (strncmp (argv[i], "-o=", strlen ("-o=")) == 0 ||
- strncmp (argv[i],
- "--output-dir=",
- strlen ("--output-dir=")) == 0) {
- char *p = strchr (argv[i], '=');
- g_assert (p != NULL);
- output_dir = g_strdup (p+1);
- } else if (strncmp (argv[i], "--file-sep=",
- strlen ("--file-sep=")) == 0) {
- char *p = strchr (argv[i], '=');
- g_assert (p != NULL);
- file_sep = *(p+1);
- } else if (strncmp (argv[i], "--file-sep",
- strlen ("--file-sep")) == 0) {
- if (i+1 < argc) {
- file_sep = (argv[i+1])[0];
- i++;
- } else {
- file_sep = 0;
- }
- } else if(strcmp(argv[i], "--gtk3")==0) {
- gtk3_ok = TRUE;
- } else if(strcmp(argv[i], "--")==0) {
- /*further arguments are files*/
- no_opts = TRUE;
- } else if(strncmp(argv[i], "--", 2)==0) {
- /*unknown long option*/
- fprintf(stderr, "Unknown option '%s'!\n", argv[i]);
- print_help();
- exit(1);
- } else {
- /*by now we know we have a string starting with
- - which is a short option string*/
- char *p;
- for(p = argv[i] + 1; *p; p++) {
- switch(*p) {
- case 'w':
- exit_on_warn=TRUE;
- break;
- case 'n':
- no_write = TRUE;
- break;
- case 'h':
- case '?':
- print_help();
- exit(0);
- default:
- fprintf(stderr,
- "Unknown option '%c'!\n", *p);
- print_help();
- exit(1);
- }
+ m4_commandline = parse_m4_options(argc, argv, m4_clean);
+ goto out;
+ case LOPT_VERSION:
+ print_version();
+ return 1;
+ default:
+ if (optopt == '?') {
+ case 'h':
+ print_help();
+ return 1;
}
+
+ /* Rewind getopt to get internal error messages. */
+ optind = 0, opterr = 1;
+ while (getopt_long(argc, argv, sopts, lopts, NULL)
+ != opt);
+ return -1;
+ case 0: /* no-op or option set by flag */;
}
}
-#if 0
- /* if we are using m4, and got no filename, append m4 flags now */
- if(!got_file && use_m4 && !use_m4_clean) {
- char *new_commandline;
- new_commandline=g_strconcat(m4_commandline,
- " ",
- M4_FLAGS,
- NULL);
- g_free(m4_commandline);
- m4_commandline=new_commandline;
+ filename = argv[optind];
+ if (argc > optind+1) {
+ char *s = g_strjoinv(" ", argv+optind+1);
+ fprintf(stderr, "%s: Warning: excess arguments ignored: %s\n",
+ g_get_prgname(), s);
+ g_free(s);
+ if (exit_on_warn)
+ return -1;
+ }
+out:
+ file_sep = raw_file_sep[0];
+ if (raw_file_sep[0] && raw_file_sep[1]) {
+ fprintf(stderr, "%s: Warning: --file-sep characters beyond the first are ignored\n",
+ g_get_prgname());
+ if (exit_on_warn)
+ return -1;
}
-#endif
+
+ if (show_m4_dir) {
+ printf("%s\n", M4_INCLUDE_DIR);
+ return 1;
+ }
+
+ return 0;
}
static void
int
main(int argc, char *argv[])
{
- parse_options(argc, argv);
+ int rc;
+
+ g_set_prgname(argc > 0 ? argv[0] : "gob2");
+
+ rc = parse_options(argc, argv);
+ if (rc < 0) {
+ print_usage(stderr);
+ return EXIT_FAILURE;
+ } else if (rc > 0) {
+ return EXIT_SUCCESS;
+ }
if(use_m4) {
yyin = popen(m4_commandline, "r");
if (outph)
fclose (outph);
- if (! no_write) {
+ if (!no_write) {
if (no_touch) {
- compare_and_move (outfilebase);
+ compare_and_move(outfilebase);
+ }
+ if (no_touch_headers) {
+ compare_and_move(outfilehbase);
if (outfilephbase)
- compare_and_move (outfilephbase);
+ compare_and_move(outfilephbase);
}
- if (no_touch_headers)
- compare_and_move (outfilehbase);
}
-
+
return 0;
}