root / trunk / compiler / ooasCompiler / src / org / momut / ooas / ast / expressions / ValueExpression.java @ 9
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/**
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*
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* OOAS Compiler
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*
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* Copyright 2015, AIT Austrian Institute of Technology.
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* This code is based on the C# Version of the OOAS Compiler, which is
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* copyright 2015 by the Institute of Software Technology, Graz University
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* of Technology with portions copyright by the AIT Austrian Institute of
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* Technology. 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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* Markus Demetz (AIT)
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* Christoph Czurda (AIT)
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*
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*/
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package org.momut.ooas.ast.expressions; |
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import org.momut.ooas.ast.IAstVisitor; |
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import org.momut.ooas.utils.exceptions.ArgumentException; |
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///////////////////////////////////////////////
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/// Some constant bool, int, float, char,
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/// qval or nil value
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///
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public final class ValueExpression<T> extends LeafExpression |
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{ |
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private final T m_value; |
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public T value() { return m_value; } |
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public final Class<T> m_clazz; |
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public ValueExpression(T aValue, int line, int pos, Class<T> clazz) |
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{ |
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super(LeafTypeEnum.unset, ExpressionKind.Value, line, pos);
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m_value = aValue; |
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if (Integer.class.isAssignableFrom(clazz)) |
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m_valueType = LeafTypeEnum.integer; |
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else if (Boolean.class.isAssignableFrom(clazz)) |
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m_valueType = LeafTypeEnum.bool; |
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else if (Double.class.isAssignableFrom(clazz)) |
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m_valueType = LeafTypeEnum.real; |
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else if (Character.class.isAssignableFrom(clazz)) |
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m_valueType = LeafTypeEnum.chr; |
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else if (Object.class.isAssignableFrom(clazz)) |
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m_valueType = LeafTypeEnum.reference; |
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else
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throw new ArgumentException(); |
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m_clazz = clazz; |
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} |
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public ValueExpression(ValueExpression<T> toCopy)
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{ |
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super(toCopy);
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m_value = toCopy.m_value; |
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m_clazz = toCopy.m_clazz; |
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} |
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@Override
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public /*override*/ Expression Clone() |
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{ |
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return new ValueExpression<T>(this); |
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} |
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@Override
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public /*override*/ void Accept(IAstVisitor visitor) |
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{ |
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visitor.visit(this);
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} |
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} |