Initial revision

util/cpp/main.c

@@ -0,0 +1,65 @@
+/* MAIN PROGRAM */
+
+#include "file_info.h"
+#include "idfsize.h"
+
+extern struct tokenname tkidf[], tkkey[];
+extern char *symbol2str();
+extern char *inctable[];
+extern int err_occurred;
+int idfsize = IDFSIZE;
+
+int ifval;
+
+char *prog_name;
+
+main(argc, argv)
+	char *argv[];
+{
+	/* parse and interpret the command line options	*/
+	prog_name = argv[0];
+
+	init_idf();
+	init_pp();	/* initialise the preprocessor macros	*/
+
+	/*	Note: source file "-" indicates that the source is supplied
+		as standard input.  This is only allowed if INP_READ_IN_ONE is
+		not defined!
+	*/
+	while (argc > 1 && *argv[1] == '-' && argv[1][1] != '\0')	{
+		char *par = &argv[1][1];
+
+		if (*par == '-')
+			par++;
+		do_option(par);
+		argc--, argv++;
+	}
+	compile(argc - 1, &argv[1]);
+	return err_occurred;
+}
+
+compile(argc, argv)
+	char *argv[];
+{
+	register char *source = 0;
+	char *dummy;
+
+	switch (argc) {
+	case 1:
+		source = argv[0];
+		FileName = source;
+		break;
+	case 0:
+		FileName = "";
+		break;
+	default:
+		fatal("use: %s [options] [source]", prog_name);
+		break;
+	}
+	WorkingDir = inctable[0];
+
+	if (!InsertFile(source, (char **) 0, &dummy)) /* read the source file	*/
+		fatal("%s: no source file %s\n", prog_name, 
+			source ? source : "stdin");
+	preprocess(source);
+}