diff options
author | Will Estes <wlestes@users.sourceforge.net> | 2009-03-31 14:01:22 +0000 |
---|---|---|
committer | Will Estes <wlestes@users.sourceforge.net> | 2009-03-31 14:01:22 +0000 |
commit | d5c24bbc2fb2eb48ac4087ae1c76c8aacce27618 (patch) | |
tree | c1cd444d6e96ccecf05fdc1d405827d8baba8d7b /doc | |
parent | 606586db7531ce5198bcc66a6be27646e4e60f23 (diff) |
Include version.texi after @setfilename,
so that @set values are correctly evaluated.
(Start Conditions, Performance, Lex and Posix): Fix some
markup errors.
(Cxx): Likewise. Also, fix C++ example to actually be
compilable. Patch from Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Diffstat (limited to 'doc')
-rw-r--r-- | doc/flex.texi | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/doc/flex.texi b/doc/flex.texi index 7b64f33..2adb726 100644 --- a/doc/flex.texi +++ b/doc/flex.texi @@ -1,7 +1,7 @@ \input texinfo.tex @c -*-texinfo-*- @c %**start of header -@include version.texi @setfilename flex.info +@include version.texi @settitle Lexical Analysis With Flex, for Flex @value{@version} @set authors Vern Paxson, Will Estes and John Millaway @c "Macro Hooks" index @@ -1756,7 +1756,7 @@ treat it as a single token, the floating-point number @samp{123.456}: %% expect-floats BEGIN(expect); - <expect>[0-9]+@samp{.}[0-9]+ { + <expect>[0-9]+.[0-9]+ { printf( "found a float, = %f\n", atof( yytext ) ); } @@ -3401,7 +3401,7 @@ which degrade performance. These are, from most expensive to least: %option interactive %option always-interactive - @samp{^} beginning-of-line operator + ^ beginning-of-line operator yymore() @end verbatim @end example @@ -3886,12 +3886,16 @@ Here is an example of a simple C++ scanner: @cindex C++ scanners, use of @example @verbatim - // An example of using the flex C++ scanner class. + // An example of using the flex C++ scanner class. %{ + #include <iostream> + using namespace std; int mylineno = 0; %} + %option noyywrap + string \"[^\n"]+\" ws [ \t]+ @@ -3915,7 +3919,7 @@ Here is an example of a simple C++ scanner: if(c == '\n') ++mylineno; - else if(c == @samp{*}) + else if(c == '*') { if((c = yyinput()) == '/') break; @@ -3925,23 +3929,23 @@ Here is an example of a simple C++ scanner: } } - {number} cout "number " YYText() '\n'; + {number} cout << "number " << YYText() << '\n'; \n mylineno++; - {name} cout "name " YYText() '\n'; + {name} cout << "name " << YYText() << '\n'; - {string} cout "string " YYText() '\n'; + {string} cout << "string " << YYText() << '\n'; %% int main( int /* argc */, char** /* argv */ ) - { - @code{flex}Lexer* lexer = new yyFlexLexer; + { + FlexLexer* lexer = new yyFlexLexer; while(lexer->yylex() != 0) ; return 0; - } + } @end verbatim @end example @@ -4564,7 +4568,7 @@ called again, you may get the following message: @cindex error messages, end of buffer missed @example @verbatim - fatal @code{flex} scanner internal error--end of buffer missed + fatal flex scanner internal error--end of buffer missed @end verbatim @end example |