root/trunk/compiler/cppAst/ast/DeepCloneVisitor.hpp
| 7 | krennw | /**
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*
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* OOAS Compiler - C++ AST
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*
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* Copyright 2015, AIT Austrian Institute of Technology.
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* All rights reserved.
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*
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* SEE THE "LICENSE" FILE FOR THE TERMS UNDER WHICH THIS FILE IS PROVIDED.
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*
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* If you modify the file please update the list of contributors below to in-
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* clude your name. Please also stick to the coding convention of using TABs
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* to do the basic (block-level) indentation and spaces for anything after
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* that. (Enable the display of special chars and it should be pretty obvious
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* what this means.) Also, remove all trailing whitespace.
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*
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* Contributors:
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* Willibald Krenn (AIT)
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* Stephan Zimmerer (AIT)
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* Christoph Czurda (AIT)
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*
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*/
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| 2 | krennw | ||
#pragma once
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#include <ast/CompleteAstTraversalVisitor.hpp>
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#include <ast/Ast.hpp>
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#include <unordered_map>
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#include <ast/expressions/Quantifier.hpp>
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namespace Ast {
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/**
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* Based on the OoaDeepCloneVisitor from the Java frontend. Takes a shallow
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* copy of an AST element and makes it a deep copy.
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*/
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class DeepCloneVisitor final :
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public CompleteAstTraversalVisitor
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{
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protected:
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Ast* m_cloneAst;
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std::unordered_map<void*, void*> m_mapping;
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Identifier* m_selfreplacement;
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bool m_allowLinksToNonClonedParents;
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bool m_quantifierState;
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void updateScope(IScope* aScope);
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void checkScope(IScope* aScope);
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Expression* eClone(Expression* anExpr);
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Statement* sClone(Statement* aStatement);
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void symTabClone(SymbolTable* aTable);
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void cloneBlock(Block* aBlock);
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void cloneQuantifier(Quantifier* qf);
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void cloneExpressionList(ExpressionList& aList);
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void error() {
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m_context->logError("Internal error: Cannot clone a type");
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abort();
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}
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public:
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DeepCloneVisitor(
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CallContext* context,
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Ast* cloneAst,
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bool linksToNonClonedParents = true,
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const std::unordered_map<void*, void*>* initMapping = nullptr,
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Identifier* selfreplace = nullptr)
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:
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CompleteAstTraversalVisitor( context, false),
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m_cloneAst (cloneAst),
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m_mapping(),
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m_selfreplacement (selfreplace),
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m_allowLinksToNonClonedParents (linksToNonClonedParents),
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m_quantifierState (false)
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{
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if (initMapping != nullptr)
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m_mapping.insert(initMapping->begin(), initMapping->end());
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}
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std::string returnVisitorName() override {return "DeepCloneVisitor";}
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void visit(BoolType* ) override { error(); }
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void visit(EnumType* ) override { error(); }
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void visit(FunctionType* ) override { error(); }
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void visit(IntType* ) override { error(); }
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void visit(ListType* ) override { error(); }
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void visit(NullType* ) override { error(); }
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void visit(ActionSystemType* ) override { error(); }
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void visit(TupleType* ) override { error(); }
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void visit(EnumIdentifier* ) override { error(); }
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void visit(ExpressionVariableIdentifier* ) override { error(); }
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void visit(LocalVariableIdentifier* ) override { error(); }
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void visit(MainModule* ) override { error(); }
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void visit(MethodIdentifier* ) override { error(); }
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void visit(Module* ) override { error(); }
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void visit(NondetIdentifierBlock* ) override{ error(); }
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void visit(ParameterIdentifier* ) override { error(); }
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void visit(PrioIdentifierBlock* ) override { error(); }
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void visit(SeqIdentifierBlock* ) override { error(); }
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void visit(TypeIdentifier* ) override { error(); }
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void visit(UnspecIdentifierBlock* ) override { error(); }
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void visit(NamedActionIdentifier* namedActionIdentifier) override;
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void visit(ObjectConstructor* objectConstructor) override;
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// void visit(AbortStatement* abortStatement) override { }
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void visit(BoolValueExpression* ) override {};
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void visit(IntValueExpression* ) override {};
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void visit(RefValueExpression* ) override {};
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void visit(Skip* ) override { }
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void visit(Break* ) override { error(); }
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void visit(TypeExpression* ) override { /*we do not clone types*/ }
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void visit(NondetBlock* nondetBlock) override;
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void visit(SeqBlock* seqBlock) override;
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void visit(PrioBlock* prioBlock) override;
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void visit(AccessExpression* accessExpression) override;
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void visit(BinaryOperator* binaryOperator) override;
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void visit(Assignment* assignment) override;
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void visit(AttributeIdentifier* attributeIdentifier) override;
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void visit(Call* call) override;
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void visit(CallExpression* callExpression) override;
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void visit(ExistsQuantifier* quantifier) override;
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void visit(ForallQuantifier* quantifier) override;
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void visit(GuardedCommand* guardedCommand) override;
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void visit(IdentifierExpression* identifierExpression) override;
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void visit(ListConstructor* listConstructor) override;
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void visit(SetConstructor* setConstructor) override;
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void visit(TernaryOperator* ternaryOperator) override;
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void visit(TupleConstructor* tupleConstructor) override;
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void visit(TupleMapAccessExpression* tupleMapAccessExpression) override;
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void visit(UnaryOperator* unaryOperator) override;
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};
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} /* namespace Ast */
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