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Unified Diff: bison/src/bison/2.4.1/bison-2.4.1-src/src/flex-scanner.h

Issue 10807020: Add native Windows binary for bison. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/
Patch Set: Created 8 years, 5 months ago
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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
___________________________________________________________________
Added: svn:eol-style
+ LF
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