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.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.40.11. |
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.TH FLEX "1" "March 2014" "flex 2.5.39" "User Commands" |
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.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.47.3. |
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.TH FLEX "1" "May 2017" "The Flex Project" "Programming" |
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.SH NAME |
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flex \- the fast lexical analyser generator |
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.SH SYNOPSIS |
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.B flex |
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[\fIOPTIONS\fR] [\fIFILE\fR]... |
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[\fI\,OPTIONS\/\fR] [\fI\,FILE\/\fR]... |
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.SH DESCRIPTION |
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Generates programs that perform pattern\-matching on text. |
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.SS "Table Compression:" |
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.TP |
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\fB\-v\fR, \fB\-\-verbose\fR |
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write summary of scanner statistics to stdout |
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.TP |
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\fB\-\-hex\fR |
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use hexadecimal numbers instead of octal in debug outputs |
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.SH FILES |
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.TP |
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\fB\-o\fR, \fB\-\-outfile\fR=\fIFILE\fR |
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\fB\-o\fR, \fB\-\-outfile\fR=\fI\,FILE\/\fR |
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specify output filename |
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.TP |
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\fB\-S\fR, \fB\-\-skel\fR=\fIFILE\fR |
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\fB\-S\fR, \fB\-\-skel\fR=\fI\,FILE\/\fR |
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specify skeleton file |
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.TP |
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\fB\-t\fR, \fB\-\-stdout\fR |
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write scanner on stdout instead of lex.yy.c |
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.TP |
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\fB\-\-yyclass\fR=\fINAME\fR |
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\fB\-\-yyclass\fR=\fI\,NAME\/\fR |
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name of C++ class |
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.TP |
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\fB\-\-header\-file\fR=\fIFILE\fR |
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\fB\-\-header\-file\fR=\fI\,FILE\/\fR |
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create a C header file in addition to the scanner |
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.HP |
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\fB\-\-tables\-file\fR[=\fIFILE\fR] write tables to FILE |
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\fB\-\-tables\-file\fR[=\fI\,FILE\/\fR] write tables to FILE |
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.SS "Scanner behavior:" |
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.TP |
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\fB\-7\fR, \fB\-\-7bit\fR |
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\-+, \fB\-\-c\fR++ |
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generate C++ scanner class |
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.TP |
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\fB\-Dmacro\fR[=\fIdefn\fR] |
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\fB\-Dmacro\fR[=\fI\,defn\/\fR] |
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#define macro defn (default defn is '1') |
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.TP |
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\fB\-L\fR, \fB\-\-noline\fR |
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suppress #line directives in scanner |
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.TP |
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\fB\-P\fR, \fB\-\-prefix\fR=\fISTRING\fR |
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\fB\-P\fR, \fB\-\-prefix\fR=\fI\,STRING\/\fR |
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use STRING as prefix instead of "yy" |
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.TP |
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\fB\-R\fR, \fB\-\-reentrant\fR |
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.TP |
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\fB\-\-stdinit\fR |
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initialize yyin/yyout to stdin/stdout |
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.HP |
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\fB\-\-noansi\-definitions\fR old\-style function definitions |
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.TP |
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\fB\-\-noansi\-prototypes\fR |
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empty parameter list in prototypes |
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.TP |
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\fB\-\-nounistd\fR |
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do not include <unistd.h> |
