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18e8020bf5
* Actions, conditions and expressions related to opacity, size (width/height), scale, animations and other common features are now visible only once when you search for them in actions/conditions (instead of being shown once for every type of object supporting them). This reduces the risk of confusion for new or existing users, notably when multiple versions of the same action were returned by the search and was making it difficult to choose the proper one. * Internally, this works thanks to default, built-in behaviors that are supported by the objects.
300 lines
10 KiB
C++
300 lines
10 KiB
C++
/*
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* GDevelop Core
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* Copyright 2008-2016 Florian Rival (Florian.Rival@gmail.com). All rights
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* reserved. This project is released under the MIT License.
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*/
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#ifndef METADATAPROVIDER_H
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#define METADATAPROVIDER_H
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#include "GDCore/Extensions/Metadata/InstructionMetadata.h"
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#include "GDCore/String.h"
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namespace gd {
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class BehaviorMetadata;
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class ObjectMetadata;
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class EffectMetadata;
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class ExpressionMetadata;
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class ExpressionMetadata;
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class Platform;
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class PlatformExtension;
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struct FunctionCallNode;
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struct ExpressionNode;
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} // namespace gd
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namespace gd {
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/**
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* \brief A container for metadata about an
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* object/behavior/instruction/expression and its associated extension.
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*/
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template <class T>
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class ExtensionAndMetadata {
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public:
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ExtensionAndMetadata(const gd::PlatformExtension& extension_,
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const T& metadata_)
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: extension(&extension_), metadata(&metadata_){};
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/**
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* \brief Default constructor, only here to satisfy Emscripten bindings.
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* \warning Please do not use.
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* \private
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*/
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ExtensionAndMetadata() : extension(nullptr), metadata(nullptr){};
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/**
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* \brief Get the associated extension.
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*/
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const gd::PlatformExtension& GetExtension() { return *extension; };
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/**
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* \brief Get the metadata.
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*/
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const T& GetMetadata() { return *metadata; };
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private:
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const gd::PlatformExtension* extension;
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const T* metadata;
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};
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/**
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* \brief Allow to easily get metadata for instructions (i.e actions and
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* conditions), expressions, objects and behaviors.
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*
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* \ingroup PlatformDefinition
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*/
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class GD_CORE_API MetadataProvider {
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public:
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/**
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* Get the metadata about a behavior, and its associated extension.
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*/
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static ExtensionAndMetadata<BehaviorMetadata> GetExtensionAndBehaviorMetadata(
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const gd::Platform& platform, gd::String behaviorType);
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/**
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* Get the metadata about an object, and its associated extension.
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*/
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static ExtensionAndMetadata<ObjectMetadata> GetExtensionAndObjectMetadata(
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const gd::Platform& platform, gd::String type);
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/**
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* Get the metadata about an effect, and its associated extension.
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*/
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static ExtensionAndMetadata<EffectMetadata> GetExtensionAndEffectMetadata(
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const gd::Platform& platform, gd::String type);
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/**
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* Get the metadata of an action, and its associated extension.
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* Works for object, behaviors and static actions.
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*/
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static ExtensionAndMetadata<InstructionMetadata>
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GetExtensionAndActionMetadata(const gd::Platform& platform,
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gd::String actionType);
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/**
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* Get the metadata of a condition, and its associated extension.
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* Works for object, behaviors and static conditions.
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*/
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static ExtensionAndMetadata<InstructionMetadata>
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GetExtensionAndConditionMetadata(const gd::Platform& platform,
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gd::String conditionType);
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/**
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* Get information about an expression, and its associated extension.
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* Works for free expressions.
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*/
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static ExtensionAndMetadata<ExpressionMetadata>
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GetExtensionAndExpressionMetadata(const gd::Platform& platform,
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gd::String exprType);
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/**
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* Get information about an expression, and its associated extension.
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* Works for object expressions.
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*/
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static ExtensionAndMetadata<ExpressionMetadata>
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GetExtensionAndObjectExpressionMetadata(const gd::Platform& platform,
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gd::String objectType,
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gd::String exprType);
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/**
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* Get information about an expression, and its associated extension.
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* Works for behavior expressions.
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*/
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static ExtensionAndMetadata<ExpressionMetadata>
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GetExtensionAndBehaviorExpressionMetadata(const gd::Platform& platform,
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gd::String autoType,
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gd::String exprType);
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/**
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* Get information about a string expression, and its associated extension.
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* Works for free expressions.
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*/
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static ExtensionAndMetadata<ExpressionMetadata>
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GetExtensionAndStrExpressionMetadata(const gd::Platform& platform,
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gd::String exprType);
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/**
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* Get information about a string expression, and its associated extension.
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* Works for object expressions.
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*/
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static ExtensionAndMetadata<ExpressionMetadata>
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GetExtensionAndObjectStrExpressionMetadata(const gd::Platform& platform,
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gd::String objectType,
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gd::String exprType);
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/**
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* Get information about a string expression, and its associated extension.
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* Works for behavior expressions.
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*/
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static ExtensionAndMetadata<ExpressionMetadata>
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GetExtensionAndBehaviorStrExpressionMetadata(const gd::Platform& platform,
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gd::String autoType,
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gd::String exprType);
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/**
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* Get the metadata about a behavior.
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*/
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static const BehaviorMetadata& GetBehaviorMetadata(
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const gd::Platform& platform, gd::String behaviorType);
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/**
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* Get the metadata about an object.
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*/
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static const ObjectMetadata& GetObjectMetadata(const gd::Platform& platform,
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gd::String type);
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/**
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* Get the metadata about an effect.
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*/
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static const EffectMetadata& GetEffectMetadata(const gd::Platform& platform,
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gd::String type);
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/**
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* Get the metadata of an action.
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* Works for object, behaviors and static actions.
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*/
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static const gd::InstructionMetadata& GetActionMetadata(
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const gd::Platform& platform, gd::String actionType);
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/**
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* Get the metadata of a condition.
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* Works for object, behaviors and static conditions.
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*/
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static const gd::InstructionMetadata& GetConditionMetadata(
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const gd::Platform& platform, gd::String conditionType);
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/**
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* Get information about an expression from its type
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* Works for free expressions.
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*/
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static const gd::ExpressionMetadata& GetExpressionMetadata(
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const gd::Platform& platform, gd::String exprType);
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/**
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* Get information about an expression from its type
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* Works for object expressions.
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*/
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static const gd::ExpressionMetadata& GetObjectExpressionMetadata(
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const gd::Platform& platform, gd::String objectType, gd::String exprType);
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/**
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* Get information about an expression from its type
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* Works for behavior expressions.
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*/
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static const gd::ExpressionMetadata& GetBehaviorExpressionMetadata(
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const gd::Platform& platform, gd::String autoType, gd::String exprType);
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/**
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* Get information about a string expression from its type
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* Works for free expressions.
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*/
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static const gd::ExpressionMetadata& GetStrExpressionMetadata(
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const gd::Platform& platform, gd::String exprType);
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/**
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* Get information about a string expression from its type
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* Works for object expressions.
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*/
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static const gd::ExpressionMetadata& GetObjectStrExpressionMetadata(
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const gd::Platform& platform, gd::String objectType, gd::String exprType);
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/**
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* Get information about a string expression from its type
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* Works for behavior expressions.
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*/
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static const gd::ExpressionMetadata& GetBehaviorStrExpressionMetadata(
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const gd::Platform& platform, gd::String autoType, gd::String exprType);
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/**
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* Get information about an expression from its type.
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* Works for free expressions.
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*/
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static const gd::ExpressionMetadata& GetAnyExpressionMetadata(
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const gd::Platform& platform, gd::String exprType);
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/**
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* Get information about an expression from its type.
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* Works for object expressions.
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*/
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static const gd::ExpressionMetadata& GetObjectAnyExpressionMetadata(
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const gd::Platform& platform, gd::String objectType, gd::String exprType);
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static const gd::ExpressionMetadata& GetFunctionCallMetadata(
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const gd::Platform& platform,
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const gd::ObjectsContainer &globalObjectsContainer,
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const gd::ObjectsContainer &objectsContainer,
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FunctionCallNode& node);
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static const gd::ParameterMetadata* GetFunctionCallParameterMetadata(
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const gd::Platform& platform,
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const gd::ObjectsContainer &globalObjectsContainer,
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const gd::ObjectsContainer &objectsContainer,
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FunctionCallNode& functionCall,
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ExpressionNode& parameter);
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static const gd::ParameterMetadata* GetFunctionCallParameterMetadata(
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const gd::Platform& platform,
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const gd::ObjectsContainer &globalObjectsContainer,
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const gd::ObjectsContainer &objectsContainer,
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FunctionCallNode& functionCall,
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int parameterIndex);
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/**
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* Get information about an expression from its type.
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* Works for behavior expressions.
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*/
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static const gd::ExpressionMetadata& GetBehaviorAnyExpressionMetadata(
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const gd::Platform& platform, gd::String autoType, gd::String exprType);
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static bool IsBadExpressionMetadata(const gd::ExpressionMetadata& metadata) {
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return &metadata == &badExpressionMetadata;
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}
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static bool IsBadInstructionMetadata(const gd::InstructionMetadata& metadata) {
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return &metadata == &badInstructionMetadata;
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}
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static bool IsBadBehaviorMetadata(const gd::BehaviorMetadata& metadata) {
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return &metadata == &badBehaviorMetadata;
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}
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static bool IsBadObjectMetadata(const gd::ObjectMetadata& metadata) {
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return &metadata == &badObjectInfo;
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}
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virtual ~MetadataProvider();
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private:
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MetadataProvider();
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static PlatformExtension badExtension;
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static BehaviorMetadata badBehaviorMetadata;
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static ObjectMetadata badObjectInfo;
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static EffectMetadata badEffectMetadata;
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static gd::InstructionMetadata badInstructionMetadata;
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static gd::ExpressionMetadata badExpressionMetadata;
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int useless; // Useless member to avoid emscripten "must have a positive
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// integer typeid pointer" runtime error.
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};
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} // namespace gd
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#endif // METADATAPROVIDER_H
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