WebSVN – tendra.SVN – Diff – /trunk/src/utilities/calculus/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 "write.h"
 #include "xalloc.h"
 /*
-    ACTIONS
+ * ACTIONS
+ *
-    These macros are used to describe the various actions which the
+ * These macros are used to describe the various actions which the
-    program can perform.
+ * program can perform.
-*/
+ */
 #define ACTION_C		0
 #define ACTION_TOKEN		1
 #define ACTION_DISK		2
 #define ACTION_PRETTY		3
 #define ACTION_LIST		6
 #define ACTION_TEMPL		7
 /*
-    LIST ACTION
+ * LIST ACTION
+ *
+ * This is the trivial action which just prints a list of all the types
+ * in the algebra.
+ */
-    This is the trivial action which just prints a list of all the types
-    in the algebra.
-*/
-static void list_action
+static void
-    PROTO_N ( ( nm ) )
-    PROTO_T ( char *nm )
+list_action(char *nm)
+{
-    if ( streq ( nm, "." ) ) {
+    if (streq(nm, ".")) {
-	output_file = stdout ;
+	output_file = stdout;
     } else {
-	output_file = fopen ( nm, "w" ) ;
+	output_file = fopen(nm, "w");
-	if ( output_file == NULL ) {
+	if (output_file == NULL) {
-	    error ( ERROR_SERIOUS, "Can't open output file, '%s'", nm ) ;
+	    error(ERROR_SERIOUS, "Can't open output file, '%s'", nm);
-	    return ;
+	    return;
 	}
     }
-    LOOP_TYPE output ( "%TT ;\n", CRT_TYPE ) ;
+    LOOP_TYPE output("%TT ;\n", CRT_TYPE);
-    flush_output () ;
+    flush_output();
-    if ( output_file != stdout ) fclose_v ( output_file ) ;
+    if (output_file != stdout) {
+	    fclose_v(output_file);
+    }
-    return ;
+    return;
+}
 /*
-    MAIN ROUTINE
+ * MAIN ROUTINE
+ *
+ * This is the main routine.  It processes the command-line options,
+ * reads the input file, and writes the output files.
+ */
-    This is the main routine.  It processes the command-line options,
-    reads the input file, and writes the output files.
-*/
-int main
+int
-    PROTO_N ( ( argc, argv ) )
-    PROTO_T ( int argc X char **argv )
+main(int argc, char **argv)
+{
-    int a ;
+    int a;
-    int text = 1 ;
+    int text = 1;
-    int no_args = 0 ;
+    int no_args = 0;
-    int last_arg = 0 ;
+    int last_arg = 0;
-    int need_alg = 1 ;
+    int need_alg = 1;
-    char *in = NULL ;
+    char *in = NULL;
-    char *alg = NULL ;
+    char *alg = NULL;
-    int act = ACTION_C ;
+    int act = ACTION_C;
     /* Scan arguments */
-    set_progname ( argv [0], "1.2" ) ;
+    set_progname(argv[0], "1.2");
-    for ( a = 1 ; a < argc ; a++ ) {
+    for (a = 1; a < argc; a++) {
-	char *arg = argv [a] ;
+	char *arg = argv[a];
-	if ( arg [0] != '-' ) {
+	if (arg[0]!= '-') {
-	    last_arg = a ;
+	    last_arg = a;
-	    no_args++ ;
+	    no_args++;
 	}
     }
-    if ( no_args == 1 ) last_arg = 0 ;
+    if (no_args == 1) {
+	    last_arg = 0;
+    }
     /* Process arguments */
-    for ( a = 1 ; a < argc ; a++ ) {
+    for (a = 1; a < argc; a++) {
-	char *arg = argv [a] ;
+	char *arg = argv[a];
-	if ( arg [0] == '-' ) {
+	if (arg[0] == '-') {
-	    int known ;
+	    int known;
-	    if ( arg [1] && arg [2] ) {
+	    if (arg[1] && arg[2]) {
 		/* Multi-character options */
-		known = 0 ;
+		known = 0;
-		switch ( arg [1] ) {
+		switch (arg[1]) {
-		    case 'A' : {
+		    case 'A': {
 			/* Output algebra name */
-			alg = arg + 2 ;
+			alg = arg + 2;
-			known = 1 ;
+			known = 1;
-			break ;
+			break;
+		    }
-		    case 'E' : {
+		    case 'E': {
 			/* File containing extra types */
+			if (need_alg) {
-			if ( need_alg ) new_algebra () ;
+				new_algebra();
+			}
-			process_file ( arg + 2, 0 ) ;
+			process_file(arg + 2, 0);
-			need_alg = 0 ;
+			need_alg = 0;
-			known = 1 ;
+			known = 1;
-			break ;
+			break;
+		    }
-		    case 'T' : {
+		    case 'T': {
 			/* Template file */
-			if ( act == ACTION_TOKEN ) token_cond = 1 ;
+			if (act == ACTION_TOKEN) {
+				token_cond = 1;
+			}
-			in = arg + 2 ;
+			in = arg + 2;
-			act = ACTION_TEMPL ;
+			act = ACTION_TEMPL;
-			known = 1 ;
+			known = 1;
-			break ;
+			break;
+		    }
+		}
 	    } else {
 		/* Single character options */
-		known = 1 ;
+		known = 1;
-		switch ( arg [1] ) {
+		switch (arg[1]) {
 		    /* Input flags */
-		    case 'r' : text = 0 ; break ;
+		    case 'r': text = 0; break;
-		    case 'i' : text = 1 ; break ;
+		    case 'i': text = 1; break;
 		    /* Output flags */
-		    case 'c' : act = ACTION_C ; break ;
+		    case 'c': act = ACTION_C; break;
-		    case 'd' : act = ACTION_DISK ; break ;
+		    case 'd': act = ACTION_DISK; break;
-		    case 'l' : act = ACTION_LIST ; break ;
+		    case 'l': act = ACTION_LIST; break;
-		    case 'o' : act = ACTION_PRETTY ; break ;
+		    case 'o': act = ACTION_PRETTY; break;
-		    case 'p' : act = ACTION_PRINT ; break ;
+		    case 'p': act = ACTION_PRINT; break;
-		    case 't' : act = ACTION_TOKEN ; break ;
+		    case 't': act = ACTION_TOKEN; break;
-		    case 'w' : act = ACTION_WRITE ; break ;
+		    case 'w': act = ACTION_WRITE; break;
 		    /* Output options */
-		    case 'a' : extra_asserts = 1 ; break ;
+		    case 'a': extra_asserts = 1; break;
-		    case 'e' : extra_headers = 1 ; break ;
+		    case 'e': extra_headers = 1; break;
-		    case 'm' : map_proto = 0 ; break ;
+		    case 'm': map_proto = 0; break;
-		    case 'n' : const_tokens = 0 ; break ;
+		    case 'n': const_tokens = 0; break;
-		    case 'x' : allow_vec = 0 ; break ;
+		    case 'x': allow_vec = 0; break;
-		    case 'z' : allow_stack = 0 ; break ;
+		    case 'z': allow_stack = 0; break;
 		    /* Other options */
-		    case 'q' : verbose_output = 0 ; break ;
+		    case 'q': verbose_output = 0; break;
-		    case 'v' : report_version () ; break ;
+		    case 'v': report_version(); break;
-		    default : known = 0 ; break ;
+		    default : known = 0; break;
+		}
+	    }
-	    if ( !known ) {
+	    if (!known) {
-		error ( ERROR_WARNING, "Unknown option, '%s'", arg ) ;
+		error(ERROR_WARNING, "Unknown option, '%s'", arg);
+	    }
-	} else if ( a != last_arg ) {
+	} else if (a != last_arg) {
+	    if (need_alg) {
-	    if ( need_alg ) new_algebra () ;
+		    new_algebra();
+	    }
-	    if ( text ) {
+	    if (text) {
-		process_file ( arg, 1 ) ;
+		process_file(arg, 1);
 	    } else {
-		read_file ( arg ) ;
+		read_file(arg);
+	    }
-	    check_types () ;
+	    check_types();
-	    check_names ( 0 ) ;
+	    check_names(0);
-	    need_alg = 1 ;
+	    need_alg = 1;
+	}
+    }
+    if (no_args == 0) {
-    if ( no_args == 0 ) error ( ERROR_FATAL, "Not enough arguments" ) ;
+	    error(ERROR_FATAL, "Not enough arguments");
+    }
+    if (!need_alg) {
-    if ( !need_alg ) error ( ERROR_SERIOUS, "Badly placed -E option" ) ;
+	    error(ERROR_SERIOUS, "Badly placed -E option");
+    }
     /* Look up output algebra */
-    if ( alg ) {
+    if (alg) {
-	ALGEBRA_DEFN *al = find_algebra ( alg ) ;
+	ALGEBRA_DEFN *al = find_algebra(alg);
-	if ( al == NULL ) {
+	if (al == NULL) {
-	    error ( ERROR_SERIOUS, "Algebra %s not defined", alg ) ;
+	    error(ERROR_SERIOUS, "Algebra %s not defined", alg);
 	} else {
-	    algebra = al ;
+	    algebra = al;
+	}
+    }
     /* Generate output */
-    if ( exit_status == EXIT_SUCCESS ) {
+    if (exit_status == EXIT_SUCCESS) {
-	char *out = ( last_arg ? argv [ last_arg ] : "." ) ;
+	char *out = (last_arg ? argv[last_arg]: ".");
-	switch ( act ) {
+	switch (act) {
-	    case ACTION_C : main_action_c ( out ) ; break ;
+	    case ACTION_C: main_action_c(out); break;
-	    case ACTION_TOKEN : main_action_tok ( out ) ; break ;
+	    case ACTION_TOKEN: main_action_tok(out); break;
-	    case ACTION_DISK : disk_action ( out ) ; break ;
+	    case ACTION_DISK: disk_action(out); break;
-	    case ACTION_PRETTY : pretty_file ( out ) ; break ;
+	    case ACTION_PRETTY: pretty_file(out); break;
-	    case ACTION_PRINT : print_action ( out ) ; break ;
+	    case ACTION_PRINT: print_action(out); break;
-	    case ACTION_WRITE : write_file ( out ) ; break ;
+	    case ACTION_WRITE: write_file(out); break;
-	    case ACTION_LIST : list_action ( out ) ; break ;
+	    case ACTION_LIST: list_action(out); break;
-	    case ACTION_TEMPL : template_file ( in, out ) ; break ;
+	    case ACTION_TEMPL: template_file(in, out); break;
+	}
     } else {
-	error ( ERROR_FATAL, "No output generated due to previous errors" ) ;
+	error(ERROR_FATAL, "No output generated due to previous errors");
+    }
-    return ( exit_status ) ;
+    return(exit_status);
+}

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