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5f30a56f29
b581be0Genex: Don't segfault on $<FOO,>07749e3Genex: Ensure that $<0:...> has a parameter.ee96dc7Genex: Extract a method to parse parameters.
135 lines
3.6 KiB
C++
135 lines
3.6 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2012 Stephen Kelly <steveire@gmail.com>
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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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#ifndef cmGeneratorExpressionEvaluator_h
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#define cmGeneratorExpressionEvaluator_h
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#include <vector>
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#include <string>
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#include "cmListFileCache.h"
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class cmTarget;
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//----------------------------------------------------------------------------
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struct cmGeneratorExpressionContext
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{
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cmListFileBacktrace Backtrace;
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std::set<cmTarget*> Targets;
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cmMakefile *Makefile;
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const char *Config;
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cmTarget *Target;
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bool Quiet;
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bool HadError;
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};
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struct cmGeneratorExpressionDAGChecker;
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struct cmGeneratorExpressionNode;
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//----------------------------------------------------------------------------
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struct cmGeneratorExpressionEvaluator
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{
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cmGeneratorExpressionEvaluator() {}
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virtual ~cmGeneratorExpressionEvaluator() {}
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enum Type
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{
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Text,
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Generator
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};
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virtual Type GetType() const = 0;
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virtual std::string Evaluate(cmGeneratorExpressionContext *context,
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cmGeneratorExpressionDAGChecker *) const = 0;
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private:
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cmGeneratorExpressionEvaluator(const cmGeneratorExpressionEvaluator &);
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void operator=(const cmGeneratorExpressionEvaluator &);
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};
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struct TextContent : public cmGeneratorExpressionEvaluator
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{
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TextContent(const char *start, unsigned int length)
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: Content(start), Length(length)
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{
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}
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std::string Evaluate(cmGeneratorExpressionContext *,
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cmGeneratorExpressionDAGChecker *) const
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{
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return std::string(this->Content, this->Length);
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}
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Type GetType() const
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{
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return cmGeneratorExpressionEvaluator::Text;
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}
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void Extend(unsigned int length)
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{
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this->Length += length;
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}
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unsigned int GetLength()
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{
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return this->Length;
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}
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private:
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const char *Content;
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unsigned int Length;
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};
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//----------------------------------------------------------------------------
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struct GeneratorExpressionContent : public cmGeneratorExpressionEvaluator
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{
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GeneratorExpressionContent(const char *startContent, unsigned int length);
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void SetIdentifier(std::vector<cmGeneratorExpressionEvaluator*> identifier)
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{
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this->IdentifierChildren = identifier;
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}
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void SetParameters(
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std::vector<std::vector<cmGeneratorExpressionEvaluator*> > parameters)
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{
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this->ParamChildren = parameters;
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}
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Type GetType() const
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{
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return cmGeneratorExpressionEvaluator::Generator;
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}
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std::string Evaluate(cmGeneratorExpressionContext *context,
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cmGeneratorExpressionDAGChecker *) const;
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std::string GetOriginalExpression() const;
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~GeneratorExpressionContent();
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private:
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std::string EvaluateParameters(const cmGeneratorExpressionNode *node,
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const std::string &identifier,
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cmGeneratorExpressionContext *context,
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cmGeneratorExpressionDAGChecker *dagChecker,
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std::vector<std::string> ¶meters) const;
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private:
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std::vector<cmGeneratorExpressionEvaluator*> IdentifierChildren;
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std::vector<std::vector<cmGeneratorExpressionEvaluator*> > ParamChildren;
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const char *StartContent;
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unsigned int ContentLength;
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};
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#endif
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