WebSVN – tendra.SVN – Diff – /trunk/src/tools/tcc/main.c

+/*
+ * Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of The TenDRA Project nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific, prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS
+ * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id$
+ */
 /*
     		 Crown Copyright (c) 1997
     This TenDRA(r) Computer Program is subject to Copyright
     owned by the United Kingdom Secretary of State for Defence
     acting through the Defence Evaluation and Research Agency
     (DERA).  It is made available to Recipients with a
     royalty-free licence for its use, reproduction, transfer
     to other parties and amendment for any purpose not excluding
     product development provided that any such use et cetera
     shall be deemed to be acceptance of the following conditions:-
         (1) Its Recipients shall ensure that this Notice is
         reproduced upon any copies or amended versions of it;
         (2) Any amended version of it shall be clearly marked to
         show both the nature of and the organisation responsible
         for the relevant amendment or amendments;
         (3) Its onward transfer from a recipient to another
         party shall be deemed to be that party's acceptance of
         these conditions;
         (4) DERA gives no warranty or assurance as to its
         quality or suitability for any purpose and DERA accepts
         no liability whatsoever in relation to any use to which
         it may be put.
 */
 #include "config.h"
 #include "release.h"
 #include "external.h"
 #include "filename.h"
 #include "list.h"
+#include "environ.h"
 #include "execute.h"
 #include "flags.h"
 #include "compile.h"
 #include "main.h"
 #include "options.h"
 #include "suffix.h"
 #include "utility.h"
 /*
-    CURRENT VERSION NUMBER
+ * CURRENT VERSION NUMBER
+ *
-    Version 4.0 of tcc is a complete rewrite from version 3.x.  The
+ * Version 4.0 of tcc is a complete rewrite from version 3.x. The revision
-    revision number is automatically generated from the RCS revision
+ * number is automatically generated from the RCS revision and is stored in
-    and is stored in version.h.
+ * version.h.
-*/
+ */
 #define VERSION_STRING		"Version: 4.0"
 #ifndef RELEASE
 #define RELEASE 		"unknown"
 #endif
 /*
-    PRINT THE CURRENT VERSION
+ * PRINT THE CURRENT VERSION
+ *
-    This routine prints the version number.
+ * This routine prints the version number.
-*/
+ */
-void print_version
+void
-    PROTO_Z ()
+print_version(void)
 {
-    error ( INFO, "%s%s, Machine: %s, Release: %s", VERSION_STRING,
+	error(INFO, "%s%s, Machine: %s, Release: %s", VERSION_STRING,
-	    ( checker ? " (checker)" : "" ), machine_name, RELEASE ) ;
+	      (checker ? " (checker)" : ""), machine_name, RELEASE);
-    flag_no_files = 1 ;
+	flag_no_files = 1;
-    return ;
+	return;
 }
 /*
-    ENVIRONMENT
+ * ENVIRONMENT
+ *
-    This variable given the array of environmental variables which is
+ * This variable given the array of environmental variables which is passed as
-    passed as the third argument to main.
+ * the third argument to main.
-*/
+ */
-char **environment = null ;
+char **environment = null;
 /*
-    SIGNAL HANDLER
+ * SIGNAL HANDLER
+ *
-    This routine is the main signal handler.  It reports any interesting
+ * This routine is the main signal handler. It reports any interesting signals
-    signals and then cleans up.
+ * and then cleans up.
-*/
+ */
-void handler
+void
-    PROTO_N ( ( sig ) )
-    PROTO_T ( int sig )
+handler(int sig)
 {
-    IGNORE signal ( SIGINT, SIG_IGN ) ;
+	IGNORE signal(SIGINT, SIG_IGN);
+	if (verbose) {
-    if ( verbose ) comment ( 1, "\n" ) ;
+		comment(1, "\n");
+	}
-    if ( sig != SIGINT ) {
+	if (sig != SIGINT) {
-	char *cmd = ( last_command ? last_command : "unknown" ) ;
+		char *cmd = (last_command ? last_command : "unknown");
-	error ( SERIOUS, "Caught signal %d in '%s'", sig, cmd ) ;
+		error(SERIOUS, "Caught signal %d in '%s'", sig, cmd);
-	if ( !flag_keep_err && ( remove ( "core" ) == 0 ) ) {
+		if (!flag_keep_err && (remove("core") == 0)) {
-	    error ( WARNING, "Removed core" ) ;
+			error(WARNING, "Removed core");
-	}
+		}
-    }
+	}
-    exit_status = EXIT_FAILURE ;
+	exit_status = EXIT_FAILURE;
-    main_end () ;
+	main_end();
-    return ;
+	return;
 }
-/*
-    TEMPORARY DIRECTORY FLAG
-    This flag is true to indicate that the temporary directory needs
-    removing.
-*/
-static boolean made_tempdir = 0 ;
 /*
-    MAIN INITIALISATION ROUTINE
+ * TEMPORARY DIRECTORY FLAG
+ *
+ * This flag is true to indicate that the temporary directory needs removing.
+ */
+static boolean made_tempdir = 0;
-    This is the initialisation routine called at the very start of the
-    program.  The signals SIGINT, SIGSEGV, SIGTERM and SIGFPE are all
-    in ANSI.
-*/
+/*
-static void main_start
+ * MAIN INITIALISATION ROUTINE
+ *
+ * This is the initialisation routine called at the very start of the program.
-    PROTO_N ( ( prog, envp ) )
+ * The signals SIGINT, SIGSEGV, SIGTERM and SIGFPE are all in ANSI.
+ */
+static void
-    PROTO_T ( char *prog X char **envp )
+main_start(char *prog, char **envp)
+{
-    environment = envp ;
+	environment = envp;
-    buffer = alloc_nof ( char, buffer_size ) ;
+	buffer = alloc_nof(char, buffer_size);
-    progname = find_basename ( prog ) ;
+	progname = find_basename(prog);
-    IGNORE signal ( SIGINT, handler ) ;
+	IGNORE signal(SIGINT, handler);
-    IGNORE signal ( SIGSEGV, handler ) ;
+	IGNORE signal(SIGSEGV, handler);
-    IGNORE signal ( SIGTERM, handler ) ;
+	IGNORE signal(SIGTERM, handler);
 #ifdef SIGFPE
-    IGNORE signal ( SIGFPE, handler ) ;
+	IGNORE signal(SIGFPE, handler);
 #endif
-    initialise_options () ;
+	initialise_options();
-    return ;
+	return;
-}
-/*
-    MAIN CONSOLIDATION ROUTINE
-    This routine is called after all the command-line arguments have
-    been processed, but before any actual compilation takes place.
-*/
-static void main_middle
-    PROTO_Z ()
-{
-    char *s = temp_name ( temporary_dir, progname ) ;
-    tempdir = string_copy ( s ) ;
-    cmd_list ( exec_mkdir ) ;
-    cmd_string ( tempdir ) ;
-    IGNORE execute ( no_filename, no_filename ) ;
-    if ( last_return ) {
-	error ( FATAL, "Can't create temporary directory" ) ;
-    }
-    made_tempdir = 1 ;
-    return ;
 }
 /*
-    MAIN CLEAN UP ROUTINE
+ * MAIN CONSOLIDATION ROUTINE
+ *
+ * This routine is called after all the command-line arguments have been
+ * processed, but before any actual compilation takes place.
+ */
+static void
+main_middle(void)
+{
+	char *s = temp_name(temporary_dir, progname);
+	tempdir = string_copy(s);
+	cmd_list(exec_mkdir);
+	cmd_string(tempdir);
+	IGNORE execute(no_filename, no_filename);
+	if (last_return) {
+		error(FATAL, "Can't create temporary directory");
+	}
+	made_tempdir = 1;
+	return;
+}
-    This routine always used to exit the program, except when an
-    exec fails in the child process.  It cleans up the temporary
-    directory etc. and returns exit_status to the calling process.
-*/
+/*
+ * MAIN CLEAN UP ROUTINE
+ *
+ * This routine always used to exit the program, except when an exec fails in
+ * the child process. It cleans up the temporary directory etc. and returns
+ * exit_status to the calling process.
+ */
-void main_end
+void
-    PROTO_Z ()
+main_end(void)
+{
-    IGNORE signal ( SIGINT, SIG_IGN ) ;
+	IGNORE signal(SIGINT, SIG_IGN);
-    remove_junk () ;
+	remove_junk();
-    remove_startup () ;
+	remove_startup();
-    if ( made_tempdir ) {
+	if (made_tempdir) {
-	made_tempdir = 0 ;
+		made_tempdir = 0;
-	cmd_string ( ( char * ) null ) ;
+		cmd_string((char *)null);
-	cmd_list ( exec_remove ) ;
+		cmd_list(exec_remove);
-	cmd_string ( tempdir ) ;
+		cmd_string(tempdir);
-	IGNORE execute ( no_filename, no_filename ) ;
+		IGNORE execute(no_filename, no_filename);
-    }
+	}
-    kill_stray () ;
+	kill_stray();
-    exit ( exit_status ) ;
+	exit(exit_status);
+}
 /*
-    MAIN ROUTINE
+ * MAIN ROUTINE
+ *
-    This is the main routine.
+ * This is the main routine.
-*/
+ */
-int main
-    PROTO_N ( ( argc, argv ) )
-    PROTO_T ( int argc X char **argv )
-{
-    int a ;
-    char *s ;
-    filename *output ;
-    list *opts = null ;
-    /* Initialisation */
-    main_start ( PROGNAME_TCC, environ ) ;
-    /* Check TCCOPTS options */
-    s = getenv ( TCCOPT_VAR ) ;
-    if ( s != null ) {
-    	opts = make_list ( s ) ;
-        process_options ( opts, main_optmap ) ;
-        free_list ( opts ) ;
-        opts = null ;
-    }
+int
+main(int argc, char **argv)
+{
+	int a;
+	char *s;
+	filename *output;
+	list *opts = null;
+	/* Initialisation */
+	main_start(PROGNAME_TCC, environ);
+	/* Check TCCOPTS options */
+	s = getenv(TCCOPT_VAR);
+	if (s != null) {
+		opts = make_list(s);
+		process_options(opts, main_optmap, 0);
+		free_list(opts);
+		opts = null;
+	}
-    /* Process command line options */
+	/* Process command line options */
-    for ( a = argc - 1 ; a >= 1 ; a-- ) {
+	for (a = argc - 1; a >= 1; a--) {
-	opts = insert_item ( argv [a], opts ) ;
+		opts = insert_item(argv[a], opts);
-    }
+	}
-    process_options ( opts, main_optmap ) ;
+	process_options(opts, main_optmap, 0);
-    update_options () ;
+	update_options();
+	reconcile_envopts();
-    free_list ( opts ) ;
+	free_list(opts);
+	/* Dump env information ? XXX: Where should this really be? */
+	if (env_dump) {
+		dump_env();
+		/* main_end(); XXX */
+		return (0);
+	}
-    /* Check for input files */
+	/* Check for input files */
-    if ( input_files == null ) {
+	if (input_files == null) {
-	if ( flag_no_files ) main_end () ;
+		if (flag_no_files) {
+			main_end();
+		}
-	error ( FATAL, "No input files specified" ) ;
+		error(FATAL, "No input files specified");
-    }
+	}
-    /* Apply compilation */
+	/* Apply compilation */
-    main_middle () ;
+	main_middle();
-    output = apply_all ( input_files ) ;
+	output = apply_all(input_files);
-    /* Check for unprocessed files */
+	/* Check for unprocessed files */
-    while ( output != null ) {
+	while (output != null) {
-	if ( output->storage == INPUT_FILE ) {
+		if (output->storage == INPUT_FILE) {
-	    error ( WARNING, "Input file '%s' not processed", output->name ) ;
+			error(WARNING, "Input file '%s' not processed",
+			      output->name);
+		}
+		output = output->next;
+	}
-	output = output->next ;
-    }
-    /* Exit from program */
+	/* Exit from program */
-    main_end () ;
+	main_end();
-    return ( 0 ) ;
+	return (0);
+}

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