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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "parser/qmljsastvisitor_p.h"
#include "qmljsdocument.h"
#include "qmljsscopechain.h"
namespace QmlJS {
class ValueOwner;
class Context;
class Value;
class ObjectValue;
class FunctionValue;
class QMLJS_EXPORT Evaluate: protected AST::Visitor
{
public:
Evaluate(const ScopeChain *scopeChain, ReferenceContext *referenceContext = nullptr);
~Evaluate();
// same as value()
const Value *operator()(AST::Node *ast);
// evaluate ast in the given context, resolving references
const Value *value(AST::Node *ast);
// evaluate, but stop when encountering a Reference
const Value *reference(AST::Node *ast);
protected:
void accept(AST::Node *node);
const Value *switchResult(const Value *result);
// Ui
bool visit(AST::UiProgram *ast) override;
bool visit(AST::UiHeaderItemList *ast) override;
bool visit(AST::UiPragma *ast) override;
bool visit(AST::UiImport *ast) override;
bool visit(AST::UiPublicMember *ast) override;
bool visit(AST::UiSourceElement *ast) override;
bool visit(AST::UiObjectDefinition *ast) override;
bool visit(AST::UiObjectInitializer *ast) override;
bool visit(AST::UiObjectBinding *ast) override;
bool visit(AST::UiScriptBinding *ast) override;
bool visit(AST::UiArrayBinding *ast) override;
bool visit(AST::UiObjectMemberList *ast) override;
bool visit(AST::UiArrayMemberList *ast) override;
bool visit(AST::UiQualifiedId *ast) override;
// QmlJS
bool visit(AST::TemplateLiteral *ast) override;
bool visit(AST::ThisExpression *ast) override;
bool visit(AST::IdentifierExpression *ast) override;
bool visit(AST::NullExpression *ast) override;
bool visit(AST::TrueLiteral *ast) override;
bool visit(AST::FalseLiteral *ast) override;
bool visit(AST::StringLiteral *ast) override;
bool visit(AST::NumericLiteral *ast) override;
bool visit(AST::RegExpLiteral *ast) override;
bool visit(AST::ArrayPattern *ast) override;
bool visit(AST::ObjectPattern *ast) override;
bool visit(AST::Elision *ast) override;
bool visit(AST::PatternElementList *ast) override;
bool visit(AST::PatternPropertyList *ast) override;
bool visit(AST::PatternProperty *ast) override;
bool visit(AST::NestedExpression *ast) override;
bool visit(AST::IdentifierPropertyName *ast) override;
bool visit(AST::StringLiteralPropertyName *ast) override;
bool visit(AST::NumericLiteralPropertyName *ast) override;
bool visit(AST::ArrayMemberExpression *ast) override;
bool visit(AST::FieldMemberExpression *ast) override;
bool visit(AST::NewMemberExpression *ast) override;
bool visit(AST::NewExpression *ast) override;
bool visit(AST::CallExpression *ast) override;
bool visit(AST::ArgumentList *ast) override;
bool visit(AST::PostIncrementExpression *ast) override;
bool visit(AST::PostDecrementExpression *ast) override;
bool visit(AST::DeleteExpression *ast) override;
bool visit(AST::VoidExpression *ast) override;
bool visit(AST::TypeOfExpression *ast) override;
bool visit(AST::PreIncrementExpression *ast) override;
bool visit(AST::PreDecrementExpression *ast) override;
bool visit(AST::UnaryPlusExpression *ast) override;
bool visit(AST::UnaryMinusExpression *ast) override;
bool visit(AST::TildeExpression *ast) override;
bool visit(AST::NotExpression *ast) override;
bool visit(AST::BinaryExpression *ast) override;
bool visit(AST::ConditionalExpression *ast) override;
bool visit(AST::Expression *ast) override;
bool visit(AST::Block *ast) override;
bool visit(AST::VariableStatement *ast) override;
bool visit(AST::VariableDeclarationList *ast) override;
bool visit(AST::PatternElement *ast) override;
bool visit(AST::EmptyStatement *ast) override;
bool visit(AST::ExpressionStatement *ast) override;
bool visit(AST::IfStatement *ast) override;
bool visit(AST::DoWhileStatement *ast) override;
bool visit(AST::WhileStatement *ast) override;
bool visit(AST::ForStatement *ast) override;
bool visit(AST::ForEachStatement *ast) override;
bool visit(AST::ContinueStatement *ast) override;
bool visit(AST::BreakStatement *ast) override;
bool visit(AST::ReturnStatement *ast) override;
bool visit(AST::WithStatement *ast) override;
bool visit(AST::SwitchStatement *ast) override;
bool visit(AST::CaseBlock *ast) override;
bool visit(AST::CaseClauses *ast) override;
bool visit(AST::CaseClause *ast) override;
bool visit(AST::DefaultClause *ast) override;
bool visit(AST::LabelledStatement *ast) override;
bool visit(AST::ThrowStatement *ast) override;
bool visit(AST::TryStatement *ast) override;
bool visit(AST::Catch *ast) override;
bool visit(AST::Finally *ast) override;
bool visit(AST::FunctionDeclaration *ast) override;
bool visit(AST::FunctionExpression *ast) override;
bool visit(AST::FormalParameterList *ast) override;
bool visit(AST::Program *ast) override;
bool visit(AST::StatementList *ast) override;
bool visit(AST::DebuggerStatement *ast) override;
void throwRecursionDepthError() override;
private:
QmlJS::Document::Ptr _doc;
ValueOwner *_valueOwner;
ContextPtr _context;
ReferenceContext *_referenceContext;
const ScopeChain *_scopeChain;
const Value *_result;
};
} // namespace Qml
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