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* AUTHORS, ChangeLog-2012, Makefile.am, NEWS, PACKAGING, README, * README-alpha, README-hacking, THANKS, TODO, bootstrap.conf, * build-aux/darwin11.4.0.valgrind, build-aux/local.mk, * build-aux/update-b4-copyright, * build-aux/update-package-copyright-year, cfg.mk, configure.ac, * data/README, data/bison.m4, data/c++-skel.m4, data/c++.m4, * data/c-like.m4, data/c-skel.m4, data/c.m4, data/glr.c, data/glr.cc, * data/java-skel.m4, data/java.m4, data/lalr1.cc, data/lalr1.java, * data/local.mk, data/location.cc, data/stack.hh, data/variant.hh, * data/xslt/bison.xsl, data/xslt/xml2dot.xsl, data/xslt/xml2text.xsl, * data/xslt/xml2xhtml.xsl, data/yacc.c, djgpp/Makefile.maint, * djgpp/README.in, djgpp/config.bat, djgpp/config.sed, * djgpp/config.site, djgpp/config_h.sed, djgpp/djunpack.bat, * djgpp/local.mk, djgpp/subpipe.c, djgpp/subpipe.h, * djgpp/testsuite.sed, doc/bison.texi, doc/local.mk, doc/refcard.tex, * etc/README, etc/bench.pl.in, etc/local.mk, * examples/calc++/calc++.test, examples/calc++/local.mk, * examples/extexi, examples/local.mk, examples/mfcalc/local.mk, * examples/mfcalc/mfcalc.test, examples/rpcalc/local.mk, * examples/rpcalc/rpcalc.test, examples/test, examples/variant.yy, * lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c, * lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h, * lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c, * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c, * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h, * lib/local.mk, lib/main.c, lib/timevar.c, lib/timevar.def, * lib/timevar.h, lib/vbitset.c, lib/vbitset.h, lib/yyerror.c, * m4/bison-i18n.m4, m4/c-working.m4, m4/cxx.m4, m4/flex.m4, * m4/timevar.m4, src/AnnotationList.c, src/AnnotationList.h, * src/InadequacyList.c, src/InadequacyList.h, src/LR0.c, src/LR0.h, * src/Sbitset.c, src/Sbitset.h, src/assoc.c, src/assoc.h, * src/closure.c, src/closure.h, src/complain.c, src/complain.h, * src/conflicts.c, src/conflicts.h, src/derives.c, src/derives.h, * src/files.c, src/files.h, src/flex-scanner.h, src/getargs.c, * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c, * src/graphviz.h, src/ielr.c, src/ielr.h, src/lalr.c, src/lalr.h, * src/local.mk, src/location.c, src/location.h, src/main.c, * src/muscle-tab.c, src/muscle-tab.h, src/named-ref.c, * src/named-ref.h, src/nullable.c, src/nullable.h, src/output.c, * src/output.h, src/parse-gram.c, src/parse-gram.y, src/print-xml.c, * src/print-xml.h, src/print.c, src/print.h, src/print_graph.c, * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c, * src/reduce.h, src/relation.c, src/relation.h, src/scan-code.h, * src/scan-code.l, src/scan-gram.h, src/scan-gram.l, src/scan-skel.h, * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c, * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h, * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h, * tests/actions.at, tests/atlocal.in, tests/bison.in, tests/c++.at, * tests/calc.at, tests/conflicts.at, tests/cxx-type.at, * tests/existing.at, tests/glr-regression.at, tests/headers.at, * tests/input.at, tests/java.at, tests/javapush.at, tests/local.at, * tests/local.mk, tests/named-refs.at, tests/output.at, tests/push.at, * tests/reduce.at, tests/regression.at, tests/sets.at, * tests/skeletons.at, tests/synclines.at, tests/testsuite.at, * tests/torture.at, tests/types.at: here.
89 lines
3.2 KiB
C
89 lines
3.2 KiB
C
/* Common parts between scan-code.l, scan-gram.l, and scan-skel.l.
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Copyright (C) 2006, 2009-2014 Free Software Foundation, Inc.
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This file is part of Bison, the GNU Compiler Compiler.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef FLEX_PREFIX
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# error "FLEX_PREFIX not defined"
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#endif
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/* Flex full version as a number. */
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#define FLEX_VERSION \
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((YY_FLEX_MAJOR_VERSION) * 1000000 \
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+ (YY_FLEX_MINOR_VERSION) * 1000 \
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+ (YY_FLEX_SUBMINOR_VERSION))
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/* Pacify "gcc -Wmissing-prototypes" when flex 2.5.31 is used. */
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#if FLEX_VERSION <= 2005031
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int FLEX_PREFIX (get_lineno) (void);
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FILE *FLEX_PREFIX (get_in) (void);
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FILE *FLEX_PREFIX (get_out) (void);
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int FLEX_PREFIX (get_leng) (void);
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char *FLEX_PREFIX (get_text) (void);
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void FLEX_PREFIX (set_lineno) (int);
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void FLEX_PREFIX (set_in) (FILE *);
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void FLEX_PREFIX (set_out) (FILE *);
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int FLEX_PREFIX (get_debug) (void);
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void FLEX_PREFIX (set_debug) (int);
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int FLEX_PREFIX (lex_destroy) (void);
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#endif
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#define last_string FLEX_PREFIX (last_string)
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/* It seems to be a nice "feature" of Flex that one cannot use yytext,
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yyleng etc. when a prefix is given, since there is no longer a
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#define, but rather the token is actually changed in the output.
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However, this is not true for Flex 2.5.4. */
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#ifndef yyleng
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# define yyleng FLEX_PREFIX (leng)
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#endif
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#ifndef yytext
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# define yytext FLEX_PREFIX (text)
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#endif
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/* Non-reentrant scanners generated by Flex 2.5.9 and later (and some earlier
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versions according to the Flex manual) leak memory if yylex_destroy is not
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invoked. However, yylex_destroy is not defined before Flex 2.5.9, so give
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an implementation here that at least appears to work with Flex 2.5.4. */
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#if FLEX_VERSION <= 2005009
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# define yylex_destroy() yy_delete_buffer (YY_CURRENT_BUFFER)
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#endif
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/* OBSTACK_FOR_STRING -- Used to store all the characters that we need to
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keep (to construct ID, STRINGS etc.). Use the following macros to
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use it.
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Use STRING_GROW to append what has just been matched, and
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STRING_FINISH to end the string (it puts the ending 0).
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STRING_FINISH also stores this string in LAST_STRING, which can be
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used, and which is used by STRING_FREE to free the last string. */
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#ifndef FLEX_NO_OBSTACK
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static struct obstack obstack_for_string;
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# define STRING_GROW \
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obstack_grow (&obstack_for_string, yytext, yyleng)
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# define STRING_FINISH \
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(last_string = obstack_finish0 (&obstack_for_string))
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# define STRING_FREE \
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obstack_free (&obstack_for_string, last_string)
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#endif
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