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115 lines
3.1 KiB
115 lines
3.1 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmGeneratorExpressionEvaluator_h
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#define cmGeneratorExpressionEvaluator_h
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#include <cmConfigure.h>
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#include <stddef.h>
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#include <string>
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#include <vector>
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struct cmGeneratorExpressionContext;
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struct cmGeneratorExpressionDAGChecker;
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struct cmGeneratorExpressionNode;
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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, size_t length)
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: Content(start)
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, Length(length)
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{
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}
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std::string Evaluate(cmGeneratorExpressionContext*,
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cmGeneratorExpressionDAGChecker*) const CM_OVERRIDE
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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 CM_OVERRIDE
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{
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return cmGeneratorExpressionEvaluator::Text;
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}
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void Extend(size_t length) { this->Length += length; }
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size_t GetLength() { return this->Length; }
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private:
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const char* Content;
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size_t Length;
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};
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struct GeneratorExpressionContent : public cmGeneratorExpressionEvaluator
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{
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GeneratorExpressionContent(const char* startContent, size_t length);
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void SetIdentifier(
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std::vector<cmGeneratorExpressionEvaluator*> const& 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*> > const&
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parameters)
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{
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this->ParamChildren = parameters;
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}
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Type GetType() const CM_OVERRIDE
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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 CM_OVERRIDE;
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std::string GetOriginalExpression() const;
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~GeneratorExpressionContent() CM_OVERRIDE;
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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>& parameters) const;
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std::string ProcessArbitraryContent(
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const cmGeneratorExpressionNode* node, const std::string& identifier,
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cmGeneratorExpressionContext* context,
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cmGeneratorExpressionDAGChecker* dagChecker,
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std::vector<std::vector<cmGeneratorExpressionEvaluator*> >::const_iterator
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pit) 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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size_t ContentLength;
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};
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#endif
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