mirror of
https://github.com/reactos/CMake.git
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96afb12087
This converts the CMake license to a pure 3-clause OSI-approved BSD License. We drop the previous license clause requiring modified versions to be plainly marked. We also update the CMake copyright to cover the full development time range.
119 lines
2.6 KiB
C++
119 lines
2.6 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmExprParserHelper.h"
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#include "cmSystemTools.h"
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#include "cmExprLexer.h"
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#include "cmMakefile.h"
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int cmExpr_yyparse( yyscan_t yyscanner );
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//
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cmExprParserHelper::cmExprParserHelper()
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{
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this->FileLine = -1;
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this->FileName = 0;
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}
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cmExprParserHelper::~cmExprParserHelper()
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{
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this->CleanupParser();
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}
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void cmExprParserHelper::SetLineFile(long line, const char* file)
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{
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this->FileLine = line;
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this->FileName = file;
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}
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int cmExprParserHelper::ParseString(const char* str, int verb)
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{
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if ( !str)
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{
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return 0;
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}
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//printf("Do some parsing: %s\n", str);
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this->Verbose = verb;
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this->InputBuffer = str;
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this->InputBufferPos = 0;
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this->CurrentLine = 0;
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this->Result = 0;
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yyscan_t yyscanner;
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cmExpr_yylex_init(&yyscanner);
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cmExpr_yyset_extra(this, yyscanner);
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int res = cmExpr_yyparse(yyscanner);
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cmExpr_yylex_destroy(yyscanner);
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if ( res != 0 )
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{
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//str << "CAL_Parser returned: " << res << std::endl;
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//std::cerr << "When parsing: [" << str << "]" << std::endl;
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return 0;
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}
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this->CleanupParser();
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if ( Verbose )
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{
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std::cerr << "Expanding [" << str << "] produced: ["
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<< this->Result << "]" << std::endl;
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}
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return 1;
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}
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void cmExprParserHelper::CleanupParser()
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{
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}
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int cmExprParserHelper::LexInput(char* buf, int maxlen)
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{
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//std::cout << "JPLexInput ";
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//std::cout.write(buf, maxlen);
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//std::cout << std::endl;
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if ( maxlen < 1 )
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{
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return 0;
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}
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if ( this->InputBufferPos < this->InputBuffer.size() )
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{
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buf[0] = this->InputBuffer[ this->InputBufferPos++ ];
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if ( buf[0] == '\n' )
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{
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this->CurrentLine ++;
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}
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return(1);
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}
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else
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{
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buf[0] = '\n';
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return( 0 );
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}
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}
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void cmExprParserHelper::Error(const char* str)
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{
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unsigned long pos = static_cast<unsigned long>(this->InputBufferPos);
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cmOStringStream ostr;
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ostr << str << " (" << pos << ")";
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this->ErrorString = ostr.str();
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}
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void cmExprParserHelper::SetResult(int value)
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{
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this->Result = value;
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}
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