Upload Tizen:Base source

1 files changed, 211 insertions, 0 deletions

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+/* yylex - scanner front-end for flex */
+
+/*  Copyright (c) 1990 The Regents of the University of California. */
+/*  All rights reserved. */
+
+/*  This code is derived from software contributed to Berkeley by */
+/*  Vern Paxson. */
+
+/*  The United States Government has rights in this work pursuant */
+/*  to contract no. DE-AC03-76SF00098 between the United States */
+/*  Department of Energy and the University of California. */
+
+/*  This file is part of flex. */
+
+/*  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. */
+
+/*  Neither the name of the University 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR */
+/*  IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED */
+/*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */
+/*  PURPOSE. */
+
+#include <ctype.h>
+#include "flexdef.h"
+#include "parse.h"
+
+
+/* yylex - scan for a regular expression token */
+
+int     yylex ()
+{
+	int     toktype;
+	static int beglin = false;
+	extern char *yytext;
+
+	if (eofseen)
+		toktype = EOF;
+	else
+		toktype = flexscan ();
+
+	if (toktype == EOF || toktype == 0) {
+		eofseen = 1;
+
+		if (sectnum == 1) {
+			synerr (_("premature EOF"));
+			sectnum = 2;
+			toktype = SECTEND;
+		}
+
+		else
+			toktype = 0;
+	}
+
+	if (trace) {
+		if (beglin) {
+			fprintf (stderr, "%d\t", num_rules + 1);
+			beglin = 0;
+		}
+
+		switch (toktype) {
+		case '<':
+		case '>':
+		case '^':
+		case '$':
+		case '"':
+		case '[':
+		case ']':
+		case '{':
+		case '}':
+		case '|':
+		case '(':
+		case ')':
+		case '-':
+		case '/':
+		case '\\':
+		case '?':
+		case '.':
+		case '*':
+		case '+':
+		case ',':
+			(void) putc (toktype, stderr);
+			break;
+
+		case '\n':
+			(void) putc ('\n', stderr);
+
+			if (sectnum == 2)
+				beglin = 1;
+
+			break;
+
+		case SCDECL:
+			fputs ("%s", stderr);
+			break;
+
+		case XSCDECL:
+			fputs ("%x", stderr);
+			break;
+
+		case SECTEND:
+			fputs ("%%\n", stderr);
+
+			/* We set beglin to be true so we'll start
+			 * writing out numbers as we echo rules.
+			 * flexscan() has already assigned sectnum.
+			 */
+			if (sectnum == 2)
+				beglin = 1;
+
+			break;
+
+		case NAME:
+			fprintf (stderr, "'%s'", nmstr);
+			break;
+
+		case CHAR:
+			switch (yylval) {
+			case '<':
+			case '>':
+			case '^':
+			case '$':
+			case '"':
+			case '[':
+			case ']':
+			case '{':
+			case '}':
+			case '|':
+			case '(':
+			case ')':
+			case '-':
+			case '/':
+			case '\\':
+			case '?':
+			case '.':
+			case '*':
+			case '+':
+			case ',':
+				fprintf (stderr, "\\%c", yylval);
+				break;
+
+			default:
+				if (!isascii (yylval) || !isprint (yylval))
+					fprintf (stderr,
+						 "\\%.3o",
+						 (unsigned int) yylval);
+				else
+					(void) putc (yylval, stderr);
+				break;
+			}
+
+			break;
+
+		case NUMBER:
+			fprintf (stderr, "%d", yylval);
+			break;
+
+		case PREVCCL:
+			fprintf (stderr, "[%d]", yylval);
+			break;
+
+		case EOF_OP:
+			fprintf (stderr, "<<EOF>>");
+			break;
+
+		case OPTION_OP:
+			fprintf (stderr, "%s ", yytext);
+			break;
+
+		case OPT_OUTFILE:
+		case OPT_PREFIX:
+		case CCE_ALNUM:
+		case CCE_ALPHA:
+		case CCE_BLANK:
+		case CCE_CNTRL:
+		case CCE_DIGIT:
+		case CCE_GRAPH:
+		case CCE_LOWER:
+		case CCE_PRINT:
+		case CCE_PUNCT:
+		case CCE_SPACE:
+		case CCE_UPPER:
+		case CCE_XDIGIT:
+			fprintf (stderr, "%s", yytext);
+			break;
+
+		case 0:
+			fprintf (stderr, _("End Marker\n"));
+			break;
+
+		default:
+			fprintf (stderr,
+				 _
+				 ("*Something Weird* - tok: %d val: %d\n"),
+				 toktype, yylval);
+			break;
+		}
+	}
+
+	return toktype;
+}