Revision f2d250adf0c1740805480c7df4c6cbf565d2072a authored by Brad King on 13 March 2017, 14:33:44 UTC, committed by Brad King on 13 March 2017, 14:33:44 UTC
cmExprLexer.in.l
%{
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
/*
This file must be translated to C++ and modified to build everywhere.
Run flex >= 2.6 like this:
flex --nounistd -DFLEXINT_H --prefix=cmExpr_yy --header-file=cmExprLexer.h -ocmExprLexer.cxx cmExprLexer.in.l
Modify cmExprLexer.cxx:
- remove trailing whitespace: sed -i 's/\s*$//' cmExprLexer.h cmExprLexer.cxx
- remove blank lines at end of file
- #include "cmStandardLexer.h" at the top
- add cast in yy_scan_bytes for loop condition of _yybytes_len to size_t
*/
/* IWYU pragma: no_forward_declare yyguts_t */
#include "cmExprParserHelper.h"
/* Replace the lexer input function. */
#undef YY_INPUT
#define YY_INPUT(buf, result, max_size) \
{ result = yyextra->LexInput(buf, max_size); }
/* Include the set of tokens from the parser. */
#include "cmExprParserTokens.h"
/*--------------------------------------------------------------------------*/
%}
%option reentrant
%option noyywrap
%pointer
%%
[0-9][0-9]* { yylvalp->Number = atoi(yytext); return exp_NUMBER; }
"+" { return exp_PLUS; }
"-" { return exp_MINUS; }
"*" { return exp_TIMES; }
"/" { return exp_DIVIDE; }
"%" { return exp_MOD; }
"\|" { return exp_OR; }
"&" { return exp_AND; }
"^" { return exp_XOR; }
"~" { return exp_NOT; }
"<<" { return exp_SHIFTLEFT; }
">>" { return exp_SHIFTRIGHT; }
"(" { return exp_OPENPARENT; }
")" { return exp_CLOSEPARENT; }
%%
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