path: root/doc/flex.info

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.


Indirect:
flex.info-1: 1627
flex.info-2: 288420

Tag Table:
(Indirect)
Node: Top1627
Node: Copyright7695
Node: Reporting Bugs9214
Node: Introduction9519
Node: Simple Examples10347
Node: Format13634
Node: Definitions Section14047
Ref: Definitions Section-Footnote-116305
Node: Rules Section16373
Node: User Code Section17530
Node: Comments in the Input17968
Node: Patterns19335
Ref: case and character ranges26159
Node: Matching30170
Node: Actions33454
Node: Generated Scanner42423
Node: Start Conditions47438
Node: Multiple Input Buffers57975
Ref: Scanning Strings64511
Node: EOF66141
Node: Misc Macros67727
Node: User Values70579
Node: Yacc72910
Node: Scanner Options73805
Node: Options for Specifying Filenames76561
Ref: option-header76787
Ref: option-outfile77499
Ref: option-stdout77824
Node: Options Affecting Scanner Behavior78806
Ref: option-case-insensitive79047
Ref: option-lex-compat79480
Ref: option-batch80012
Ref: option-interactive80536
Ref: option-7bit81890
Ref: option-8bit83194
Ref: option-default83606
Ref: option-always-interactive83670
Ref: option-posix84274
Ref: option-stack85421
Ref: option-stdinit85529
Ref: option-yylineno86007
Ref: option-yywrap86450
Node: Code-Level And API Options86718
Ref: option-ansi-definitions86945
Ref: option-ansi-prototypes87197
Ref: option-bison-bridge87444
Ref: option-bison-locations87783
Ref: option-noline88043
Ref: option-reentrant88557
Ref: option-c++89168
Ref: option-array89294
Ref: option-pointer89392
Ref: option-prefix89520
Ref: option-main91048
Ref: option-nounistd91232
Ref: option-yyclass91740
Node: Options for Scanner Speed and Size92226
Ref: option-align92775
Ref: option-ecs93276
Ref: option-meta-ecs94312
Ref: option-read94799
Ref: option-full96681
Ref: option-fast96876
Node: Debugging Options97801
Ref: option-backup97988
Ref: option-debug98533
Ref: option-perf-report99255
Ref: option-nodefault99881
Ref: option-trace100199
Ref: option-nowarn100490
Ref: option-verbose100558
Ref: option-warn100987
Node: Miscellaneous Options101206
Node: Performance101663
Node: Cxx111905
Node: Reentrant119507
Node: Reentrant Uses120184
Node: Reentrant Overview121745
Node: Reentrant Example122544
Node: Reentrant Detail123318
Node: Specify Reentrant123751
Node: Extra Reentrant Argument124398
Node: Global Replacement125649
Node: Init and Destroy Functions126877
Node: Accessor Methods129394
Node: Extra Data130736
Node: About yyscan_t133001
Node: Reentrant Functions133396
Ref: bison-functions134878
Node: Lex and Posix135617
Node: Memory Management142988
Ref: memory-management143134
Node: The Default Memory Management143362
Ref: The Default Memory Management-Footnote-1147168
Node: Overriding The Default Memory Management147321
Ref: Overriding The Default Memory Management-Footnote-1149718
Node: A Note About yytext And Memory149882
Node: Serialized Tables151115
Ref: serialization151259
Node: Creating Serialized Tables152024
Node: Loading and Unloading Serialized Tables153632
Node: Tables File Format155400
Node: Diagnostics162414
Node: Limitations165823
Node: Bibliography167771
Node: FAQ168444
Node: When was flex born?172684
Node: How do I expand backslash-escape sequences in C-style quoted strings?173061
Node: Why do flex scanners call fileno if it is not ANSI compatible?174365
Node: Does flex support recursive pattern definitions?175160
Node: How do I skip huge chunks of input (tens of megabytes) while using flex?176006
Node: Flex is not matching my patterns in the same order that I defined them.176473
Node: My actions are executing out of order or sometimes not at all.178218
Node: How can I have multiple input sources feed into the same scanner at the same time?178991
Node: Can I build nested parsers that work with the same input file?180979
Node: How can I match text only at the end of a file?181985
Node: How can I make REJECT cascade across start condition boundaries?182789
Node: Why cant I use fast or full tables with interactive mode?183803
Node: How much faster is -F or -f than -C?185061
Node: If I have a simple grammar cant I just parse it with flex?185373
Node: Why doesn't yyrestart() set the start state back to INITIAL?185854
Node: How can I match C-style comments?186481
Node: The period isn't working the way I expected.187291
Node: Can I get the flex manual in another format?188538
Node: Does there exist a "faster" NDFA->DFA algorithm?189027
Node: How does flex compile the DFA so quickly?189537
Node: How can I use more than 8192 rules?190504
Node: How do I abandon a file in the middle of a scan and switch to a new file?191914
Node: How do I execute code only during initialization (only before the first scan)?192467
Node: How do I execute code at termination?193244
Node: Where else can I find help?193570
Node: Can I include comments in the "rules" section of the file?193943
Node: I get an error about undefined yywrap().194322
Node: How can I change the matching pattern at run time?194798
Node: How can I expand macros in the input?195160
Node: How can I build a two-pass scanner?196192
Node: How do I match any string not matched in the preceding rules?197108
Node: I am trying to port code from AT&T lex that uses yysptr and yysbuf.198017
Node: Is there a way to make flex treat NULL like a regular character?198812
Node: Whenever flex can not match the input it says "flex scanner jammed".199333
Node: Why doesn't flex have non-greedy operators like perl does?199976
Node: Memory leak - 16386 bytes allocated by malloc.201329
Ref: faq-memory-leak201627
Node: How do I track the byte offset for lseek()?202594
Node: How do I use my own I/O classes in a C++ scanner?204103
Node: How do I skip as many chars as possible?204946
Node: deleteme00206020
Node: Are certain equivalent patterns faster than others?206460
Node: Is backing up a big deal?209878
Node: Can I fake multi-byte character support?211784
Node: deleteme01213225
Node: Can you discuss some flex internals?214334
Node: unput() messes up yy_at_bol216578
Node: The | operator is not doing what I want217680
Node: Why can't flex understand this variable trailing context pattern?219226
Node: The ^ operator isn't working220475
Node: Trailing context is getting confused with trailing optional patterns221710
Node: Is flex GNU or not?222953
Node: ERASEME53224626
Node: I need to scan if-then-else blocks and while loops225396
Node: ERASEME55226595
Node: ERASEME56227693
Node: ERASEME57229051
Node: Is there a repository for flex scanners?230049
Node: How can I conditionally compile or preprocess my flex input file?230364
Node: Where can I find grammars for lex and yacc?230837
Node: I get an end-of-buffer message for each character scanned.231184
Node: unnamed-faq-62231779
Node: unnamed-faq-63232797
Node: unnamed-faq-64234094
Node: unnamed-faq-65235060
Node: unnamed-faq-66235846
Node: unnamed-faq-67236961
Node: unnamed-faq-68237948
Node: unnamed-faq-69239090
Node: unnamed-faq-70239803
Node: unnamed-faq-71240564
Node: unnamed-faq-72241773
Node: unnamed-faq-73242816
Node: unnamed-faq-74243740
Node: unnamed-faq-75244685
Node: unnamed-faq-76245817
Node: unnamed-faq-77246523
Node: unnamed-faq-78247416
Node: unnamed-faq-79248414
Node: unnamed-faq-80250114
Node: unnamed-faq-81251432
Node: unnamed-faq-82254232
Node: unnamed-faq-83255189
Node: unnamed-faq-84256969
Node: unnamed-faq-85258072
Node: unnamed-faq-86259079
Node: unnamed-faq-87260017
Node: unnamed-faq-88260663
Node: unnamed-faq-90261494
Node: unnamed-faq-91262757
Node: unnamed-faq-92265185
Node: unnamed-faq-93265684
Node: unnamed-faq-94266611
Node: unnamed-faq-95268023
Node: unnamed-faq-96269541
Node: unnamed-faq-97270300
Node: unnamed-faq-98270967
Node: unnamed-faq-99271632
Node: unnamed-faq-100272561
Node: unnamed-faq-101273271
Node: What is the difference between YYLEX_PARAM and YY_DECL?274084
Node: Why do I get "conflicting types for yylex" error?274605
Node: How do I access the values set in a Flex action from within a Bison action?275135
Node: Appendices275566
Node: Makefiles and Flex275775
Ref: Makefiles and Flex-Footnote-1278971
Ref: Makefiles and Flex-Footnote-2279088
Ref: Makefiles and Flex-Footnote-3279274
Node: Bison Bridge279325
Ref: Bison Bridge-Footnote-1281990
Node: M4 Dependency282182
Ref: M4 Dependency-Footnote-1283587
Node: Common Patterns283722
Node: Numbers284013
Node: Identifiers284990
Node: Quoted Constructs285817
Node: Addresses286869
Node: Indices288182
Node: Concept Index288420
Node: Index of Functions and Macros313703
Node: Index of Variables318599
Node: Index of Data Types320265
Node: Index of Hooks321153
Node: Index of Scanner Options321721

End Tag Table