Add include path and line directives.

ivlpp/main.c

@@ -1,6 +1,6 @@
+const char COPYRIGHT[] =
+          "Copyright (c) 1999 Stephen Williams ([email protected])";
 /*
- * Copyright (c) 1999 Stephen Williams ([email protected])
- *
  *    This source code is free software; you can redistribute it
  *    and/or modify it in source code form under the terms of the GNU
  *    General Public License as published by the Free Software
@@ -17,28 +17,127 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #if !defined(WINNT)
-#ident "$Id: main.c,v 1.1 1999/07/03 17:24:11 steve Exp $"
+#ident "$Id: main.c,v 1.2 1999/07/03 20:03:47 steve Exp $"
 #endif
 
-# include  <stdio.h>
+const char NOTICE[] =
+"  This program is free software; you can redistribute it and/or modify\n"
+"  it under the terms of the GNU General Public License as published by\n"
+"  the Free Software Foundation; either version 2 of the License, or\n"
+"  (at your option) any later version.\n"
+"\n"
+"  This program is distributed in the hope that it will be useful,\n"
+"  but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+"  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
+"  GNU General Public License for more details.\n"
+"\n"
+"  You should have received a copy of the GNU General Public License\n"
+"  along with this program; if not, write to the Free Software\n"
+"  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA\n"
+;
 
-extern void reset_lexor(const char*);
-extern int yylex();
+const char VERSION[] = "$Name:  $ $State: Exp $";
+
+# include  <stdio.h>
+# include  <malloc.h>
+# include  <unistd.h>
+# include  <string.h>
+# include  "globals.h"
+
+char**include_dir = 0;
+unsigned include_cnt = 0;
+
+int line_direct_flag = 0;
 
 int main(int argc, char*argv[])
 {
-      if (argc != 2) {
-	    fprintf(stderr, "Usage: %s <file>\n", argv[0]);
-	    return 1;
+      int opt;
+      unsigned flag_errors = 0;
+      char*out_path = 0;
+      FILE*out;
+
+      include_dir = malloc(sizeof(char*));
+      include_dir[0] = strdup(".");
+      include_cnt = 1;
+
+      while ((opt = getopt(argc, argv, "D:I:Lo:v")) != EOF) switch (opt) {
+
+	  case 'D': {
+		char*tmp = strdup(optarg);
+		char*val = strchr(tmp, '=');
+		if (val)
+		      *val++ = 0;
+		else
+		      val = "1";
+
+		define_macro(tmp, val);
+		free(tmp);
+		break;
+	  }
+
+	  case 'I':
+	    include_dir = realloc(include_dir, (include_cnt+1)*sizeof(char*));
+	    include_dir[include_cnt] = strdup(optarg);
+	    include_cnt += 1;
+	    break;
+
+	  case 'L':
+	    line_direct_flag = 1;
+	    break;
+
+	  case 'o':
+	    if (out_path) {
+		  fprintf(stderr, "duplicate -o flag.\n");
+	    } else {
+		  out_path = optarg;
+	    }
+	    break;
+
+	  case 'v':
+	    fprintf(stderr, "Icarus Verilog Preprocessor version %s\n",
+		    VERSION);
+	    fprintf(stderr, "%s\n", COPYRIGHT);
+	    fputs(NOTICE, stderr);
+	    break;
+
+	  default:
+	    flag_errors += 1;
+	    break;
       }
 
-      reset_lexor(argv[1]);
+      if (optind == argc)
+	    flag_errors += 1;
 
+      if (flag_errors) {
+	    fprintf(stderr, "\nUsage: %s [-v][-L][-I<dir>][-D<def>] <file>\n"
+		    "    -D<def> - Predefine a value.\n"
+		    "    -I<dir> - Add an include file search directory\n"
+		    "    -L      - Emit line number directives\n"
+		    "    -o<fil> - Send the output to <fil>\n"
+		    "    -v      - Print version information\n",
+		    argv[0]);
+	    return flag_errors;
+      }
+
+      if (out_path) {
+	    out = fopen(out_path, "w");
+	    if (out == 0) {
+		  perror(out_path);
+		  exit(1);
+	    }
+      } else {
+	    out = stdout;
+      }
+
+      reset_lexor(out, argv[optind]);
       return yyparse();
 }
 
 /*
  * $Log: main.c,v $
+ * Revision 1.2  1999/07/03 20:03:47  steve
+ *  Add include path and line directives.
+ *
  * Revision 1.1  1999/07/03 17:24:11  steve
  *  Add a preprocessor.
  *