This is flex.info, produced by makeinfo version 4.13 from flex.texi.

INFO-DIR-SECTION Programming
START-INFO-DIR-ENTRY
* flex: (flex).      Fast lexical analyzer generator (lex replacement).
END-INFO-DIR-ENTRY

   The flex manual is placed under the same licensing conditions as the
rest of flex:

   Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2012 The
Flex Project.

   Copyright (C) 1990, 1997 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.

   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.


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Tag Table:
(Indirect)
Node: Top1627
Node: Copyright7692
Node: Reporting Bugs9211
Node: Introduction9516
Node: Simple Examples10344
Node: Format13631
Node: Definitions Section14044
Ref: Definitions Section-Footnote-116302
Node: Rules Section16370
Node: User Code Section17527
Node: Comments in the Input17965
Node: Patterns19332
Ref: case and character ranges26156
Node: Matching30167
Node: Actions33451
Node: Generated Scanner42420
Node: Start Conditions47435
Node: Multiple Input Buffers57972
Ref: Scanning Strings64508
Node: EOF66138
Node: Misc Macros67724
Node: User Values70576
Node: Yacc72907
Node: Scanner Options73802
Node: Options for Specifying Filenames76558
Ref: option-header76784
Ref: option-outfile77496
Ref: option-stdout77821
Node: Options Affecting Scanner Behavior78803
Ref: option-case-insensitive79044
Ref: option-lex-compat79477
Ref: option-batch80009
Ref: option-interactive80533
Ref: option-7bit81887
Ref: option-8bit83191
Ref: option-default83603
Ref: option-always-interactive83667
Ref: option-posix84271
Ref: option-stack85418
Ref: option-stdinit85526
Ref: option-yylineno86004
Ref: option-yywrap86447
Node: Code-Level And API Options86715
Ref: option-ansi-definitions86942
Ref: option-ansi-prototypes87194
Ref: option-bison-bridge87441
Ref: option-bison-locations87780
Ref: option-noline88040
Ref: option-reentrant88554
Ref: option-c++89165
Ref: option-array89291
Ref: option-pointer89389
Ref: option-prefix89517
Ref: option-main91045
Ref: option-nounistd91229
Ref: option-yyclass91737
Node: Options for Scanner Speed and Size92223
Ref: option-align92772
Ref: option-ecs93273
Ref: option-meta-ecs94309
Ref: option-read94796
Ref: option-full96678
Ref: option-fast96873
Node: Debugging Options97798
Ref: option-backup97985
Ref: option-debug98530
Ref: option-perf-report99252
Ref: option-nodefault99878
Ref: option-trace100196
Ref: option-nowarn100487
Ref: option-verbose100555
Ref: option-warn100984
Node: Miscellaneous Options101203
Node: Performance101660
Node: Cxx111902
Node: Reentrant119504
Node: Reentrant Uses120181
Node: Reentrant Overview121742
Node: Reentrant Example122541
Node: Reentrant Detail123315
Node: Specify Reentrant123748
Node: Extra Reentrant Argument124395
Node: Global Replacement125646
Node: Init and Destroy Functions126874
Node: Accessor Methods129391
Node: Extra Data130733
Node: About yyscan_t132998
Node: Reentrant Functions133393
Ref: bison-functions134875
Node: Lex and Posix135614
Node: Memory Management142985
Ref: memory-management143131
Node: The Default Memory Management143359
Ref: The Default Memory Management-Footnote-1147165
Node: Overriding The Default Memory Management147318
Ref: Overriding The Default Memory Management-Footnote-1149715
Node: A Note About yytext And Memory149879
Node: Serialized Tables151112
Ref: serialization151256
Node: Creating Serialized Tables152021
Node: Loading and Unloading Serialized Tables153629
Node: Tables File Format155397
Node: Diagnostics162411
Node: Limitations165820
Node: Bibliography167768
Node: FAQ168441
Node: When was flex born?172681
Node: How do I expand backslash-escape sequences in C-style quoted strings?173058
Node: Why do flex scanners call fileno if it is not ANSI compatible?174362
Node: Does flex support recursive pattern definitions?175157
Node: How do I skip huge chunks of input (tens of megabytes) while using flex?176003
Node: Flex is not matching my patterns in the same order that I defined them.176470
Node: My actions are executing out of order or sometimes not at all.178215
Node: How can I have multiple input sources feed into the same scanner at the same time?178988
Node: Can I build nested parsers that work with the same input file?180976
Node: How can I match text only at the end of a file?181982
Node: How can I make REJECT cascade across start condition boundaries?182786
Node: Why cant I use fast or full tables with interactive mode?183800
Node: How much faster is -F or -f than -C?185058
Node: If I have a simple grammar cant I just parse it with flex?185370
Node: Why doesn't yyrestart() set the start state back to INITIAL?185851
Node: How can I match C-style comments?186478
Node: The period isn't working the way I expected.187288
Node: Can I get the flex manual in another format?188535
Node: Does there exist a "faster" NDFA->DFA algorithm?189024
Node: How does flex compile the DFA so quickly?189534
Node: How can I use more than 8192 rules?190501
Node: How do I abandon a file in the middle of a scan and switch to a new file?191911
Node: How do I execute code only during initialization (only before the first scan)?192464
Node: How do I execute code at termination?193241
Node: Where else can I find help?193567
Node: Can I include comments in the "rules" section of the file?193940
Node: I get an error about undefined yywrap().194319
Node: How can I change the matching pattern at run time?194795
Node: How can I expand macros in the input?195157
Node: How can I build a two-pass scanner?196189
Node: How do I match any string not matched in the preceding rules?197105
Node: I am trying to port code from AT&T lex that uses yysptr and yysbuf.198014
Node: Is there a way to make flex treat NULL like a regular character?198809
Node: Whenever flex can not match the input it says "flex scanner jammed".199330
Node: Why doesn't flex have non-greedy operators like perl does?199973
Node: Memory leak - 16386 bytes allocated by malloc.201326
Ref: faq-memory-leak201624
Node: How do I track the byte offset for lseek()?202591
Node: How do I use my own I/O classes in a C++ scanner?204100
Node: How do I skip as many chars as possible?204943
Node: deleteme00206017
Node: Are certain equivalent patterns faster than others?206457
Node: Is backing up a big deal?209875
Node: Can I fake multi-byte character support?211781
Node: deleteme01213222
Node: Can you discuss some flex internals?214331
Node: unput() messes up yy_at_bol216575
Node: The | operator is not doing what I want217677
Node: Why can't flex understand this variable trailing context pattern?219223
Node: The ^ operator isn't working220472
Node: Trailing context is getting confused with trailing optional patterns221707
Node: Is flex GNU or not?222950
Node: ERASEME53224623
Node: I need to scan if-then-else blocks and while loops225393
Node: ERASEME55226592
Node: ERASEME56227690
Node: ERASEME57229048
Node: Is there a repository for flex scanners?230046
Node: How can I conditionally compile or preprocess my flex input file?230361
Node: Where can I find grammars for lex and yacc?230834
Node: I get an end-of-buffer message for each character scanned.231181
Node: unnamed-faq-62231776
Node: unnamed-faq-63232794
Node: unnamed-faq-64234091
Node: unnamed-faq-65235057
Node: unnamed-faq-66235843
Node: unnamed-faq-67236958
Node: unnamed-faq-68237945
Node: unnamed-faq-69239087
Node: unnamed-faq-70239800
Node: unnamed-faq-71240561
Node: unnamed-faq-72241770
Node: unnamed-faq-73242813
Node: unnamed-faq-74243737
Node: unnamed-faq-75244682
Node: unnamed-faq-76245814
Node: unnamed-faq-77246520
Node: unnamed-faq-78247413
Node: unnamed-faq-79248411
Node: unnamed-faq-80250111
Node: unnamed-faq-81251429
Node: unnamed-faq-82254229
Node: unnamed-faq-83255186
Node: unnamed-faq-84256966
Node: unnamed-faq-85258069
Node: unnamed-faq-86259076
Node: unnamed-faq-87260014
Node: unnamed-faq-88260660
Node: unnamed-faq-90261491
Node: unnamed-faq-91262754
Node: unnamed-faq-92265182
Node: unnamed-faq-93265681
Node: unnamed-faq-94266608
Node: unnamed-faq-95268020
Node: unnamed-faq-96269538
Node: unnamed-faq-97270297
Node: unnamed-faq-98270964
Node: unnamed-faq-99271629
Node: unnamed-faq-100272558
Node: unnamed-faq-101273268
Node: What is the difference between YYLEX_PARAM and YY_DECL?274081
Node: Why do I get "conflicting types for yylex" error?274602
Node: How do I access the values set in a Flex action from within a Bison action?275132
Node: Appendices275563
Node: Makefiles and Flex275772
Ref: Makefiles and Flex-Footnote-1278968
Ref: Makefiles and Flex-Footnote-2279085
Ref: Makefiles and Flex-Footnote-3279271
Node: Bison Bridge279322
Ref: Bison Bridge-Footnote-1281987
Node: M4 Dependency282179
Ref: M4 Dependency-Footnote-1283584
Node: Common Patterns283719
Node: Numbers284010
Node: Identifiers284987
Node: Quoted Constructs285814
Node: Addresses286866
Node: Indices288179
Node: Concept Index288417
Node: Index of Functions and Macros313700
Node: Index of Variables318596
Node: Index of Data Types320262
Node: Index of Hooks321150
Node: Index of Scanner Options321718

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