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Florian Rival
60 lines
2.4 KiB
C++
60 lines
2.4 KiB
C++
/*
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* GDevelop Core
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* Copyright 2008-2015 Florian Rival (Florian.Rival@gmail.com). All rights reserved.
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* This project is released under the MIT License.
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*/
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#ifndef EXPRESSIONSCODEGENERATION_H
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#define EXPRESSIONSCODEGENERATION_H
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#include <vector>
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#include "GDCore/String.h"
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#include "GDCore/Events/Parsers/ExpressionParser.h"
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namespace gd { class ExpressionMetadata; }
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namespace gd { class Expression; }
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namespace gd { class Project; }
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namespace gd { class Layout; }
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namespace gd { class Layout; }
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namespace gd { class EventsCodeGenerationContext; }
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namespace gd { class EventsCodeGenerator; }
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namespace gd
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{
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/**
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* \brief Used to generate code from expressions.
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*
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* Usage example :
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* \code
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* gd::String expressionOutputCppCode;
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*
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* CallbacksForGeneratingExpressionCode callbacks(expressionOutputCppCode, codeGenerator, context);
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* gd::ExpressionParser parser(theOriginalGameDevelopExpression);
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* parser.ParseStringExpression(platform, project, scene, callbacks);
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*
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* if (expressionOutputCppCode.empty()) expressionOutputCppCode = "\"\""; //If generation failed, we make sure output code is not empty.
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* \endcode
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* \see EventsCodeGenerator
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*/
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class GD_CORE_API CallbacksForGeneratingExpressionCode : public gd::ParserCallbacks
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{
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public:
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CallbacksForGeneratingExpressionCode(gd::String & output, EventsCodeGenerator & codeGenerator_, EventsCodeGenerationContext & context_);
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virtual ~CallbacksForGeneratingExpressionCode() {};
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void OnConstantToken(gd::String text);
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void OnStaticFunction(gd::String functionName, const std::vector<gd::Expression> & parameters, const gd::ExpressionMetadata & expressionInfo);
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void OnObjectFunction(gd::String functionName, const std::vector<gd::Expression> & parameters, const gd::ExpressionMetadata & expressionInfo);
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void OnObjectBehaviorFunction(gd::String functionName, const std::vector<gd::Expression> & parameters, const gd::ExpressionMetadata & expressionInfo);
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bool OnSubMathExpression(const gd::Platform & platform, const gd::Project & project, const gd::Layout & layout, gd::Expression & expression);
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bool OnSubTextExpression(const gd::Platform & platform, const gd::Project & project, const gd::Layout & layout, gd::Expression & expression);
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private:
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gd::String & plainExpression;
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EventsCodeGenerator & codeGenerator;
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EventsCodeGenerationContext & context;
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};
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}
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#endif // EXPRESSIONSCODEGENERATION_H
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