64 lines
2.0 KiB
C++
64 lines
2.0 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 cmGeneratorExpressionNode_h
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#define cmGeneratorExpressionNode_h
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#include <cmConfigure.h> // IWYU pragma: keep
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#include <string>
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#include <vector>
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class cmGeneratorTarget;
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class cmLocalGenerator;
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struct GeneratorExpressionContent;
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struct cmGeneratorExpressionContext;
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struct cmGeneratorExpressionDAGChecker;
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struct cmGeneratorExpressionNode
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{
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enum
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{
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DynamicParameters = 0,
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OneOrMoreParameters = -1,
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OneOrZeroParameters = -2
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};
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virtual ~cmGeneratorExpressionNode() {}
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virtual bool GeneratesContent() const { return true; }
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virtual bool RequiresLiteralInput() const { return false; }
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virtual bool AcceptsArbitraryContentParameter() const { return false; }
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virtual int NumExpectedParameters() const { return 1; }
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virtual std::string Evaluate(
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const std::vector<std::string>& parameters,
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cmGeneratorExpressionContext* context,
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const GeneratorExpressionContent* content,
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cmGeneratorExpressionDAGChecker* dagChecker) const = 0;
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static std::string EvaluateDependentExpression(
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std::string const& prop, cmLocalGenerator* lg,
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cmGeneratorExpressionContext* context, const cmGeneratorTarget* headTarget,
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const cmGeneratorTarget* currentTarget,
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cmGeneratorExpressionDAGChecker* dagChecker);
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static const cmGeneratorExpressionNode* GetNode(
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const std::string& identifier);
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};
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void reportError(cmGeneratorExpressionContext* context,
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const std::string& expr, const std::string& result);
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#endif
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