* 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 © 2019-2022 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 "out.h"
#include "util.h"
#include "checks.h"
+#include "help.h"
#include "main.h"
+#include "options.h"
+
+static const char sopts[] = SOPT_STRING;
+static const struct option lopts[] = {
+ LOPTS_INITIALIZER,
+ { 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"
"perhaps it was misspelled",
flag);
}
- g_string_sprintfa(gs, " | G_SIGNAL_%s", flag);
+ g_string_append_printf(gs, " | G_SIGNAL_%s", flag);
}
{
if(strcmp(argflags[i], flag)==0)
break;
}
- g_string_sprintfa(flags, " | %s%s", argflags[i] ? "G_PARAM_" : "", flag);
+ g_string_append_printf(flags, " | %s%s", argflags[i] ? "G_PARAM_" : "", flag);
}
g_string_append (flags, ")");
if(strcmp(argflags[i], flag)==0)
break;
}
- g_string_sprintfa(flags, " | %s%s", argflags[i] ? "G_PARAM_" : "", flag);
+ g_string_append_printf(flags, " | %s%s", argflags[i] ? "G_PARAM_" : "", flag);
}
g_string_append (flags, ")");
sep = "";
for(li=m->args;li;li=g_list_next(li)) {
FuncArg *arg = li->data;
- g_string_sprintfa (gs, "%s___%s", sep, arg->name);
+ g_string_append_printf(gs, "%s___%s", sep, arg->name);
sep = ",";
}
return g_string_free (gs, FALSE);
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("Copyright (C) 2022 Nick Bowler");
+ puts("License GPLv2+: GNU GPL version 2 or any later version");
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)
}
}
-static void
-print_help(void)
+static void print_help(void)
{
+ const struct option *opt;
+
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("This is \"GObject Builder\": a simple preprocessor to help with\n"
+ "implementing GObject types in C.");
+
+ puts("\nOptions:");
+ for (opt = lopts; opt->name; opt++) {
+ struct lopt_help help;
+
+ /* Don't display obsolete options that don't do anything */
+ if (!opt->flag && !opt->val)
+ continue;
+
+ if (!lopt_get_help(opt, &help))
+ continue;
+
+ help_print_option(opt, help.arg, help.desc, 20);
+ }
+ putchar('\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_usage(stderr);
- 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) {
- print_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_usage(stderr);
- 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_usage(stderr);
- 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;
+ }
+
+ if (show_m4_dir) {
+ printf("%s\n", M4_INCLUDE_DIR);
+ return 1;
}
-#endif
+
+ return 0;
}
static void
int
main(int argc, char *argv[])
{
+ int rc;
+
g_set_prgname(argc > 0 ? argv[0] : "gob2");
- parse_options(argc, argv);
+ 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");
projects / gob-dx.git / blobdiff