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|
%{
/* 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 --never-interactive --batch -DFLEXINT_H --noline --header-file=cmCommandArgumentLexer.h -ocmCommandArgumentLexer.cxx cmCommandArgumentLexer.in.l
Modify cmCommandArgumentLexer.cxx:
- remove trailing whitespace: sed -i 's/\s*$//' cmCommandArgumentLexer.h cmCommandArgumentLexer.cxx
- remove blank lines at end of file: sed -i '${/^$/d;}' cmCommandArgumentLexer.h cmCommandArgumentLexer.cxx
- #include "cmStandardLexer.h" at the top: sed -i '1i#include "cmStandardLexer.h"' cmCommandArgumentLexer.cxx
*/
/* IWYU pragma: no_forward_declare yyguts_t */
#ifndef __clang_analyzer__ /* Suppress clang-analyzer warnings */
#include "cmCommandArgumentParserHelper.h"
#define YY_USER_ACTION yyextra->UpdateInputPosition(yyleng);
/* Include the set of tokens from the parser. */
#include "cmCommandArgumentParserTokens.h"
static const char *DCURLYVariable = "${";
static const char *RCURLYVariable = "}";
static const char *ATVariable = "@";
static const char *DOLLARVariable = "$";
static const char *LCURLYVariable = "{";
static const char *BSLASHVariable = "\\";
/*--------------------------------------------------------------------------*/
%}
%option prefix="cmCommandArgument_yy"
%option reentrant
%option noyywrap
%option nounput
%pointer
%s ESCAPES
%s NOESCAPES
%%
\$ENV\{ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
return cal_ENVCURLY;
}
\$[A-Za-z0-9/_.+-]+\{ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
return cal_NCURLY;
}
@[A-Za-z0-9/_.+-]+@ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
yyextra->AllocateParserType(yylvalp, yytext+1, strlen(yytext)-2);
return cal_ATNAME;
}
"${" {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
yylvalp->str = DCURLYVariable;
return cal_DCURLY;
}
"}" {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
yylvalp->str = RCURLYVariable;
return cal_RCURLY;
}
"@" {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
yylvalp->str = ATVariable;
return cal_AT;
}
[A-Za-z0-9/_.+-]+ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
return cal_NAME;
}
<ESCAPES>\\. {
if ( !yyextra->HandleEscapeSymbol(yylvalp, *(yytext+1)) )
{
return cal_ERROR;
}
return cal_SYMBOL;
}
[^\${}\\@]+ {
//std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl;
yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
return cal_SYMBOL;
}
"$" {
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
yylvalp->str = DOLLARVariable;
return cal_DOLLAR;
}
"{" {
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
yylvalp->str = LCURLYVariable;
return cal_LCURLY;
}
<ESCAPES>"\\" {
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
yylvalp->str = BSLASHVariable;
return cal_BSLASH;
}
<NOESCAPES>"\\" {
//yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext));
yylvalp->str = BSLASHVariable;
return cal_SYMBOL;
}
%%
/*--------------------------------------------------------------------------*/
void cmCommandArgument_SetupEscapes(yyscan_t yyscanner, bool noEscapes)
{
/* Hack into the internal flex-generated scanner to set the state. */
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
if(noEscapes) {
BEGIN(NOESCAPES);
} else {
BEGIN(ESCAPES);
}
}
#endif /* __clang_analyzer__ */
|
