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author | Anas Nashif <anas.nashif@intel.com> | 2013-02-13 18:21:12 -0800 |
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committer | Anas Nashif <anas.nashif@intel.com> | 2013-02-13 18:21:12 -0800 |
commit | ef8aa19c33e83ff019595fd7f8fdc29c35c336a3 (patch) | |
tree | 6501b44707b5c6a88fa5f817adee1a3ffcb0012d /Source/cmGeneratorExpressionLexer.cxx | |
parent | 035c7fabc3b82cbc9a346c11abe2e9462b4c0379 (diff) | |
download | cmake-ef8aa19c33e83ff019595fd7f8fdc29c35c336a3.tar.gz cmake-ef8aa19c33e83ff019595fd7f8fdc29c35c336a3.tar.bz2 cmake-ef8aa19c33e83ff019595fd7f8fdc29c35c336a3.zip |
Imported Upstream version 2.8.10.2upstream/2.8.10.2
Diffstat (limited to 'Source/cmGeneratorExpressionLexer.cxx')
-rw-r--r-- | Source/cmGeneratorExpressionLexer.cxx | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/Source/cmGeneratorExpressionLexer.cxx b/Source/cmGeneratorExpressionLexer.cxx new file mode 100644 index 000000000..cd71ec033 --- /dev/null +++ b/Source/cmGeneratorExpressionLexer.cxx @@ -0,0 +1,85 @@ +/*============================================================================ + CMake - Cross Platform Makefile Generator + Copyright 2012 Stephen Kelly <steveire@gmail.com> + + 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. +============================================================================*/ +#include "cmGeneratorExpressionLexer.h" + + +//---------------------------------------------------------------------------- +cmGeneratorExpressionLexer::cmGeneratorExpressionLexer() + : SawBeginExpression(false), SawGeneratorExpression(false) +{ + +} + +//---------------------------------------------------------------------------- +static void InsertText(const char *upto, const char *c, + std::vector<cmGeneratorExpressionToken> &result) +{ + if (upto != c) + { + result.push_back(cmGeneratorExpressionToken( + cmGeneratorExpressionToken::Text, upto, c - upto)); + } +} + +//---------------------------------------------------------------------------- +std::vector<cmGeneratorExpressionToken> +cmGeneratorExpressionLexer::Tokenize(const char *input) +{ + std::vector<cmGeneratorExpressionToken> result; + if (!input) + return result; + + const char *c = input; + const char *upto = c; + + for ( ; *c; ++c) + { + if(c[0] == '$' && c[1] == '<') + { + InsertText(upto, c, result); + upto = c; + result.push_back(cmGeneratorExpressionToken( + cmGeneratorExpressionToken::BeginExpression, upto, 2)); + upto = c + 2; + ++c; + SawBeginExpression = true; + } + else if(c[0] == '>') + { + InsertText(upto, c, result); + upto = c; + result.push_back(cmGeneratorExpressionToken( + cmGeneratorExpressionToken::EndExpression, upto, 1)); + upto = c + 1; + SawGeneratorExpression = SawBeginExpression; + } + else if(c[0] == ':') + { + InsertText(upto, c, result); + upto = c; + result.push_back(cmGeneratorExpressionToken( + cmGeneratorExpressionToken::ColonSeparator, upto, 1)); + upto = c + 1; + } + else if(c[0] == ',') + { + InsertText(upto, c, result); + upto = c; + result.push_back(cmGeneratorExpressionToken( + cmGeneratorExpressionToken::CommaSeparator, upto, 1)); + upto = c + 1; + } + } + InsertText(upto, c, result); + + return result; +} |