xref: /netbsd-src/external/bsd/flex/dist/doc/flex.info (revision 463ae347b383ca644b1399e7e5228310d0bdf969)

This is flex.info, produced by makeinfo version 6.1 from flex.texi.

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


Indirect:
flex.info-1: 1622
flex.info-2: 318745

Tag Table:
(Indirect)
Node: Top1622
Node: Copyright9414
Node: Reporting Bugs10933
Node: Introduction11189
Node: Simple Examples12018
Node: Format15304
Node: Definitions Section15759
Ref: Definitions Section-Footnote-118017
Node: Rules Section18085
Node: User Code Section19243
Node: Comments in the Input19681
Node: Patterns21051
Ref: case and character ranges27883
Node: Matching31886
Node: Actions35171
Node: Generated Scanner44133
Node: Start Conditions49136
Node: Multiple Input Buffers59678
Ref: Scanning Strings66221
Node: EOF67850
Node: Misc Macros69436
Node: User Values72290
Node: Yacc74615
Node: Scanner Options75510
Node: Options for Specifying Filenames78299
Ref: option-header78525
Ref: option-outfile79239
Ref: option-stdout79564
Node: Options Affecting Scanner Behavior80547
Ref: option-case-insensitive80788
Ref: option-lex-compat81221
Ref: option-batch81753
Ref: option-interactive82272
Ref: option-7bit83626
Ref: option-8bit84930
Ref: option-default85342
Ref: option-always-interactive85406
Ref: option-posix86010
Ref: option-stack87157
Ref: option-stdinit87265
Ref: option-yylineno87744
Ref: option-yywrap88187
Node: Code-Level And API Options88454
Ref: option-ansi-definitions88681
Ref: option-ansi-prototypes88756
Ref: option-bison-bridge88829
Ref: option-bison-locations89170
Ref: option-noline89430
Ref: option-reentrant89944
Ref: option-c++90556
Ref: option-array90682
Ref: option-pointer90780
Ref: option-prefix90907
Ref: option-main92435
Ref: option-nounistd92619
Ref: option-yyclass93130
Node: Options for Scanner Speed and Size93614
Ref: option-align94164
Ref: option-ecs94666
Ref: option-meta-ecs95705
Ref: option-read96193
Ref: option-full98076
Ref: option-fast98271
Node: Debugging Options99195
Ref: option-backup99382
Ref: option-debug99927
Ref: option-perf-report100649
Ref: option-nodefault101275
Ref: option-trace101593
Ref: option-nowarn101884
Ref: option-verbose101952
Ref: option-warn102381
Node: Miscellaneous Options102600
Node: Performance103056
Node: Cxx113303
Node: Reentrant121395
Node: Reentrant Uses122129
Node: Reentrant Overview123691
Node: Reentrant Example124491
Node: Reentrant Detail125264
Node: Specify Reentrant125768
Node: Extra Reentrant Argument126418
Node: Global Replacement127670
Node: Init and Destroy Functions128905
Node: Accessor Methods131426
Node: Extra Data132773
Node: About yyscan_t135040
Node: Reentrant Functions135437
Ref: bison-functions136921
Node: Lex and Posix137660
Node: Memory Management145007
Ref: memory-management145153
Node: The Default Memory Management145387
Ref: The Default Memory Management-Footnote-1149207
Node: Overriding The Default Memory Management149360
Ref: Overriding The Default Memory Management-Footnote-1151774
Node: A Note About yytext And Memory151938
Node: Serialized Tables153178
Ref: serialization153322
Node: Creating Serialized Tables154102
Node: Loading and Unloading Serialized Tables155717
Node: Tables File Format157490
Node: Diagnostics164515
Node: Limitations167924
Node: Bibliography169872
Node: FAQ170542
Node: When was flex born?175705
Node: How do I expand backslash-escape sequences in C-style quoted strings?176082
Node: Why do flex scanners call fileno if it is not ANSI compatible?177385
Node: Does flex support recursive pattern definitions?178182
Node: How do I skip huge chunks of input (tens of megabytes) while using flex?179029
Node: Flex is not matching my patterns in the same order that I defined them.179496
Node: My actions are executing out of order or sometimes not at all.181242
Node: How can I have multiple input sources feed into the same scanner at the same time?182015
Node: Can I build nested parsers that work with the same input file?184000
Node: How can I match text only at the end of a file?185007
Node: How can I make REJECT cascade across start condition boundaries?185811
Node: Why cant I use fast or full tables with interactive mode?186825
Node: How much faster is -F or -f than -C?188082
Node: If I have a simple grammar cant I just parse it with flex?188394
Node: Why doesn't yyrestart() set the start state back to INITIAL?188876
Node: How can I match C-style comments?189503
Node: The period isn't working the way I expected.190313
Node: Can I get the flex manual in another format?191558
Node: Does there exist a "faster" NDFA->DFA algorithm?192048
Node: How does flex compile the DFA so quickly?192558
Node: How can I use more than 8192 rules?193524
Node: How do I abandon a file in the middle of a scan and switch to a new file?194934
Node: How do I execute code only during initialization (only before the first scan)?195488
Node: How do I execute code at termination?196265
Node: Where else can I find help?196591
Node: Can I include comments in the "rules" section of the file?196965
Node: I get an error about undefined yywrap().197345
Node: How can I change the matching pattern at run time?197821
Node: How can I expand macros in the input?198183
Node: How can I build a two-pass scanner?199215
Node: How do I match any string not matched in the preceding rules?200133
Node: I am trying to port code from AT&T lex that uses yysptr and yysbuf.201042
Node: Is there a way to make flex treat NULL like a regular character?201837
Node: Whenever flex can not match the input it says "flex scanner jammed".202357
Node: Why doesn't flex have non-greedy operators like perl does?203000
Node: Memory leak - 16386 bytes allocated by malloc.204353
Ref: faq-memory-leak204651
Node: How do I track the byte offset for lseek()?205622
Node: How do I use my own I/O classes in a C++ scanner?207131
Node: How do I skip as many chars as possible?207974
Node: deleteme00209049
Node: Are certain equivalent patterns faster than others?209489
Node: Is backing up a big deal?212907
Node: Can I fake multi-byte character support?214813
Node: deleteme01216254
Node: Can you discuss some flex internals?217363
Node: unput() messes up yy_at_bol219607
Node: The | operator is not doing what I want220709
Node: Why can't flex understand this variable trailing context pattern?222255
Node: The ^ operator isn't working223504
Node: Trailing context is getting confused with trailing optional patterns224739
Node: Is flex GNU or not?225982
Node: ERASEME53227655
Node: I need to scan if-then-else blocks and while loops228425
Node: ERASEME55229624
Node: ERASEME56230722
Node: ERASEME57232080
Node: Is there a repository for flex scanners?233078
Node: How can I conditionally compile or preprocess my flex input file?233394
Node: Where can I find grammars for lex and yacc?233867
Node: I get an end-of-buffer message for each character scanned.234214
Node: unnamed-faq-62234809
Node: unnamed-faq-63235827
Node: unnamed-faq-64237124
Node: unnamed-faq-65238090
Node: unnamed-faq-66238876
Node: unnamed-faq-67239991
Node: unnamed-faq-68240978
Node: unnamed-faq-69242120
Node: unnamed-faq-70242833
Node: unnamed-faq-71243594
Node: unnamed-faq-72244803
Node: unnamed-faq-73245846
Node: unnamed-faq-74246770
Node: unnamed-faq-75247715
Node: unnamed-faq-76248847
Node: unnamed-faq-77249553
Node: unnamed-faq-78250446
Node: unnamed-faq-79251444
Node: unnamed-faq-80253144
Node: unnamed-faq-81254462
Node: unnamed-faq-82257262
Node: unnamed-faq-83258219
Node: unnamed-faq-84259999
Node: unnamed-faq-85261102
Node: unnamed-faq-86262109
Node: unnamed-faq-87263047
Node: unnamed-faq-88263693
Node: unnamed-faq-90264524
Node: unnamed-faq-91265787
Node: unnamed-faq-92268215
Node: unnamed-faq-93268714
Node: unnamed-faq-94269641
Node: unnamed-faq-95271053
Node: unnamed-faq-96272571
Node: unnamed-faq-97273330
Node: unnamed-faq-98273997
Node: unnamed-faq-99274662
Node: unnamed-faq-100275591
Node: unnamed-faq-101276301
Node: What is the difference between YYLEX_PARAM and YY_DECL?277114
Node: Why do I get "conflicting types for yylex" error?277638
Node: How do I access the values set in a Flex action from within a Bison action?278168
Node: Appendices278597
Node: Makefiles and Flex278862
Ref: Makefiles and Flex-Footnote-1282064
Ref: Makefiles and Flex-Footnote-2282181
Ref: Makefiles and Flex-Footnote-3282368
Node: Bison Bridge282419
Ref: Bison Bridge-Footnote-1285086
Node: M4 Dependency285278
Ref: M4 Dependency-Footnote-1286692
Node: Common Patterns286828
Node: Numbers287151
Node: Identifiers288127
Node: Quoted Constructs288954
Node: Addresses290008
Node: Indices291320
Node: Concept Index291612
Node: Index of Functions and Macros318745
Node: Index of Variables323714
Node: Index of Data Types325380
Node: Index of Hooks326268
Node: Index of Scanner Options326836

End Tag Table