Index: bison/src/bison/2.4.1/bison-2.4.1-src/src/flex-scanner.h |
=================================================================== |
--- bison/src/bison/2.4.1/bison-2.4.1-src/src/flex-scanner.h (revision 0) |
+++ bison/src/bison/2.4.1/bison-2.4.1-src/src/flex-scanner.h (revision 0) |
@@ -0,0 +1,88 @@ |
+/* Common parts between scan-code.l, scan-gram.l, and scan-skel.l. |
+ |
+ Copyright (C) 2006 Free Software Foundation, Inc. |
+ |
+ This file is part of Bison, the GNU Compiler Compiler. |
+ |
+ This program is free software: you can redistribute it and/or modify |
+ it under the terms of the GNU General Public License as published by |
+ the Free Software Foundation, either version 3 of the License, or |
+ (at your option) any later version. |
+ |
+ This program is distributed in the hope that it will be useful, |
+ but WITHOUT ANY WARRANTY; without even the implied warranty of |
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
+ GNU General Public License for more details. |
+ |
+ You should have received a copy of the GNU General Public License |
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
+ |
+#ifndef FLEX_PREFIX |
+# error "FLEX_PREFIX not defined" |
+#endif |
+ |
+/* Pacify "gcc -Wmissing-prototypes" when flex 2.5.31 is used. */ |
+int FLEX_PREFIX (get_lineno) (void); |
+FILE *FLEX_PREFIX (get_in) (void); |
+FILE *FLEX_PREFIX (get_out) (void); |
+int FLEX_PREFIX (get_leng) (void); |
+char *FLEX_PREFIX (get_text) (void); |
+void FLEX_PREFIX (set_lineno) (int); |
+void FLEX_PREFIX (set_in) (FILE *); |
+void FLEX_PREFIX (set_out) (FILE *); |
+int FLEX_PREFIX (get_debug) (void); |
+void FLEX_PREFIX (set_debug) (int); |
+int FLEX_PREFIX (lex_destroy) (void); |
+ |
+#define last_string FLEX_PREFIX (last_string) |
+ |
+/* It seems to be a nice "feature" of Flex that one cannot use yytext, |
+ yyleng etc. when a prefix is given, since there is no longer a |
+ #define, but rather the token is actually changed in the output. |
+ However, this is not true for Flex 2.5.4. */ |
+#ifndef yyleng |
+# define yyleng FLEX_PREFIX (leng) |
+#endif |
+#ifndef yytext |
+# define yytext FLEX_PREFIX (text) |
+#endif |
+ |
+/* Non-reentrant scanners generated by Flex 2.5.9 and later (and some earlier |
+ versions according to the Flex manual) leak memory if yylex_destroy is not |
+ invoked. However, yylex_destroy is not defined before Flex 2.5.9, so give |
+ an implementation here that at least appears to work with Flex 2.5.4. */ |
+#if !defined(YY_FLEX_MAJOR_VERSION) || YY_FLEX_MAJOR_VERSION < 2 \ |
+ || (YY_FLEX_MAJOR_VERSION == 2 \ |
+ && (!defined(YY_FLEX_MINOR_VERSION) || YY_FLEX_MINOR_VERSION < 5 \ |
+ || (YY_FLEX_MINOR_VERSION == 5 \ |
+ && (!defined(YY_FLEX_SUBMINOR_VERSION) \ |
+ || YY_FLEX_SUBMINOR_VERSION < 9)))) |
+# define yylex_destroy() yy_delete_buffer (YY_CURRENT_BUFFER) |
+#endif |
+ |
+/* OBSTACK_FOR_STRING -- Used to store all the characters that we need to |
+ keep (to construct ID, STRINGS etc.). Use the following macros to |
+ use it. |
+ |
+ Use STRING_GROW to append what has just been matched, and |
+ STRING_FINISH to end the string (it puts the ending 0). |
+ STRING_FINISH also stores this string in LAST_STRING, which can be |
+ used, and which is used by STRING_FREE to free the last string. */ |
+ |
+#ifndef FLEX_NO_OBSTACK |
+ |
+static struct obstack obstack_for_string; |
+ |
+#define STRING_GROW \ |
+ obstack_grow (&obstack_for_string, yytext, yyleng) |
+ |
+#define STRING_FINISH \ |
+ do { \ |
+ obstack_1grow (&obstack_for_string, '\0'); \ |
+ last_string = obstack_finish (&obstack_for_string); \ |
+ } while (0) |
+ |
+#define STRING_FREE \ |
+ obstack_free (&obstack_for_string, last_string) |
+ |
+#endif |
Property changes on: bison\src\bison\2.4.1\bison-2.4.1-src\src\flex-scanner.h |
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Added: svn:eol-style |
+ LF |