OoasTools

/**

  *

  *                  OOAS Compiler - C++ AST

  *

  * Copyright 2015, AIT Austrian Institute of Technology.

  * All rights reserved.

  *

  * SEE THE "LICENSE" FILE FOR THE TERMS UNDER WHICH THIS FILE IS PROVIDED.

  *

  * If you modify the file please update the list of contributors below to in-

  * clude your name. Please also stick to the coding convention of using TABs

  * to do the basic (block-level) indentation and spaces for anything after

  * that. (Enable the display of special chars and it should be pretty obvious

  * what this means.) Also, remove all trailing whitespace.

  *

  * Contributors:

  *               Willibald Krenn (AIT)

  *               Stephan Zimmerer (AIT)

  *               Christoph Czurda (AIT)

  *

  */

#pragma once

#include <ast/statements/Statement.hpp>

#include <ast/IScope.hpp>

#include <ast/expressions/Expression.hpp>

#include <ast/statements/Block.hpp>

namespace Ast {

class GuardedCommand final

        : public Statement

        , public IScope

{

protected:

        Expression* m_guard;

        Statement* m_body;

        IScope* m_parentScope;

        GuardedCommand():

                Statement(StatementKind::GuardedCommand),

                m_guard (nullptr),

                m_body (nullptr),

                m_parentScope(nullptr)

        {}

        GuardedCommand(const GuardedCommand &toCopy):

                Statement(toCopy),

                m_guard (toCopy.m_guard),

                m_body (toCopy.m_body),

                m_parentScope(toCopy.m_parentScope)

        {}

        static GuardedCommand* create() {return new GuardedCommand();}

        static GuardedCommand* createCopy(const GuardedCommand& toCopy) {return new GuardedCommand(toCopy);}

public:

        friend class Ast;

        friend class Statement;

        void init(std::int32_t line, std::int32_t pos, IScope* scopeRef, Expression* guardExprRef,

                                Statement* bodyRef)

        {

                Statement::init(line,pos);

                m_guard = guardExprRef;

                m_body = bodyRef;

                m_parentScope = scopeRef;

        }

        Expression* guard() {return m_guard;};

        Statement* body() {return m_body;};

        void accept(IAstVisitor& visitor) override {visitor.visit(this);};

        void setGuard(Expression* newGuard) {m_guard = newGuard;};

        void setBody(Statement* newBody) {m_body = newBody;};

        Identifier* resolveIdentifier(const std::string& ) const override { return nullptr; };

        IScope* getParentScope() const override {return m_parentScope;};

        std::string getScopeName() const override {return "";}

        void setParentScope(IScope* parentScope) override {m_parentScope = parentScope;};

        void addIdentifier(Identifier*, void* ) override {throw new Base::NotImplementedException(); /*cannot add to guarded command!*/};

        IScope* asScope() final {return (IScope*) this;}

};

}