| %{ |
| /*============================================================================ |
| CMake - Cross Platform Makefile Generator |
| Copyright 2000-2009 Kitware, Inc., Insight Software Consortium |
| |
| Distributed under the OSI-approved BSD License (the "License"); |
| see accompanying file Copyright.txt for details. |
| |
| This software is distributed WITHOUT ANY WARRANTY; without even the |
| implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the License for more information. |
| ============================================================================*/ |
| /* |
| |
| This file must be translated to C and modified to build everywhere. |
| |
| Run flex like this: |
| |
| flex --prefix=cmCommandArgument_yy --header-file=cmCommandArgumentLexer.h -ocmCommandArgumentLexer.cxx cmCommandArgumentLexer.in.l |
| |
| Modify cmCommandArgumentLexer.cxx: |
| - add #include "cmStandardIncludes.h" to top of file |
| - put header block at top of file |
| - remove TABs |
| - remove use of the 'register' storage class specifier |
| - remove "yyscanner" argument from these methods: |
| yy_fatal_error, cmCommandArgument_yyalloc, cmCommandArgument_yyrealloc, cmCommandArgument_yyfree |
| - remove all YY_BREAK lines occurring right after return statements |
| - change while ( 1 ) to for(;;) |
| - add "return 0;" to end of cmCommandArgument_yylex |
| |
| Modify cmCommandArgumentLexer.h: |
| - remove TABs |
| - remove the yy_init_globals function |
| - remove the block that includes unistd.h |
| - remove #line directives (avoids bogus warning on old Sun) |
| |
| */ |
| |
| #include "cmStandardLexer.h" |
| |
| #include "cmCommandArgumentParserHelper.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 "cmCommandArgumentParserTokens.h" |
| |
| /*--------------------------------------------------------------------------*/ |
| %} |
| |
| %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; |
| } |
| |
| "${" { |
| //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; |
| //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); |
| yylvalp->str = yyextra->DCURLYVariable; |
| return cal_DCURLY; |
| } |
| |
| "}" { |
| //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; |
| //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); |
| yylvalp->str = yyextra->RCURLYVariable; |
| return cal_RCURLY; |
| } |
| |
| "@" { |
| //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; |
| //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); |
| yylvalp->str = yyextra->ATVariable; |
| return cal_AT; |
| } |
| |
| [A-Za-z0-9/_.+-]+ { |
| //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; |
| yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); |
| return cal_NAME; |
| } |
| |
| <ESCAPES>\\. { |
| if ( !yyextra->HandleEscapeSymbol(yylvalp, *(yytext+1)) ) |
| { |
| return cal_ERROR; |
| } |
| return cal_SYMBOL; |
| } |
| |
| [^\${}\\@]+ { |
| //std::cerr << __LINE__ << " here: [" << yytext << "]" << std::endl; |
| yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); |
| return cal_SYMBOL; |
| } |
| |
| "$" { |
| //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); |
| yylvalp->str = yyextra->DOLLARVariable; |
| return cal_DOLLAR; |
| } |
| |
| "{" { |
| //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); |
| yylvalp->str = yyextra->LCURLYVariable; |
| return cal_LCURLY; |
| } |
| |
| <ESCAPES>"\\" { |
| //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); |
| yylvalp->str = yyextra->BSLASHVariable; |
| return cal_BSLASH; |
| } |
| |
| <NOESCAPES>"\\" { |
| //yyextra->AllocateParserType(yylvalp, yytext, strlen(yytext)); |
| yylvalp->str = yyextra->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); |
| } |
| } |