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root / trunk / compiler / cppAst / ast / expressions / ValueExpression.hpp @ 3

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/**
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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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#pragma once
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#include <ast/expressions/LeafExpression.hpp>
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#include <cstdint>
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#include <ast/IAstVisitor.hpp>
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namespace Ast {
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template <class T>
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class ValueExpression
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        : public LeafExpression
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{
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protected:
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        T m_value;
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        ValueExpression(LeafTypeEnum type, ExpressionKind k):
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                LeafExpression(type, k),
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                m_value ()
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        {};
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        ValueExpression(const ValueExpression &toCopy):
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                LeafExpression(toCopy),
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                m_value(toCopy.m_value)
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        {};
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public:
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        T value() {return m_value;};
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};
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class BoolValueExpression final
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        : public ValueExpression<bool>
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{
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protected:
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        BoolValueExpression():
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                ValueExpression(LeafTypeEnum::_bool, ExpressionKind::Value_Bool)
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        {};
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        BoolValueExpression(const BoolValueExpression& toCopy):
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                ValueExpression(toCopy)
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        {};
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        static BoolValueExpression* create(ExpressionKind) {return new BoolValueExpression();}
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        static BoolValueExpression* createCopy(const BoolValueExpression& toCopy) {return new BoolValueExpression(toCopy);}
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public:
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        friend class Ast;
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        friend class Expression;
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        void init(std::int32_t line, std::int32_t pos, Type* typeRef,
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                        IdentifierList* callTargetsIdentifierListRef, SymbolTable* symbTabRef, bool value)
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        {
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                Expression::init(line,pos,typeRef,callTargetsIdentifierListRef, symbTabRef);
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                m_value = value;
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        }
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        void accept(IAstVisitor& visitor) override {visitor.visit(this);};
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};
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class IntValueExpression final
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        : public ValueExpression<std::int64_t>
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{
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protected:
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        IntValueExpression():
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                ValueExpression(LeafTypeEnum::integer, ExpressionKind::Value_Integer)
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        {};
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        IntValueExpression(const IntValueExpression& toCopy):
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                ValueExpression(toCopy)
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        {};
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        static IntValueExpression* create(ExpressionKind) {return new IntValueExpression();}
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        static IntValueExpression* createCopy(const IntValueExpression& toCopy) {return new IntValueExpression(toCopy);}
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public:
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        friend class Ast;
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        friend class Expression;
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        void init(std::int32_t line, std::int32_t pos,
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                        Type* typeRef,IdentifierList* callTargetsIdentifierListRef,
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                                SymbolTable* symbTabRef, std::int64_t value)
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        {
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                Expression::init(line,pos,typeRef,callTargetsIdentifierListRef, symbTabRef);
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                m_value = value;
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        }
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        void accept(IAstVisitor& visitor) override {visitor.visit(this);};
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};
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class RefValueExpression final
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        : public ValueExpression<void*>
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{
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protected:
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        RefValueExpression():
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                ValueExpression(LeafTypeEnum::reference, ExpressionKind::Value_Reference)
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        {};
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        RefValueExpression(const RefValueExpression& toCopy):
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                ValueExpression(toCopy)
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        {};
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        static RefValueExpression* create(ExpressionKind) {return new RefValueExpression();}
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        static RefValueExpression* createCopy(const RefValueExpression& toCopy) {return new RefValueExpression(toCopy);}
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public:
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        friend class Ast;
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        friend class Expression;
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        void init(std::int32_t line, std::int32_t pos, Type* typeRef,
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                        IdentifierList* callTargetsIdentifierListRef, SymbolTable* symbTabRef, void* value)
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        {
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                Expression::init(line,pos,typeRef,callTargetsIdentifierListRef, symbTabRef);
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                m_value = value;
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        }
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        void accept(IAstVisitor& visitor) override {visitor.visit(this);};
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};
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// skip:
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// LeafTypeEnum::real;
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// LeafTypeEnum::chr;
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}