| /******************************************************************************* |
| * Copyright (c) 2004, 2014 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Andrew Niefer (IBM Corporation) - initial API and implementation |
| * Markus Schorn (Wind River Systems) |
| * Sergey Prigogin (Google) |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.dom.parser.cpp; |
| |
| import org.eclipse.cdt.core.dom.ast.ASTTypeUtil; |
| import org.eclipse.cdt.core.dom.ast.IASTExpression; |
| import org.eclipse.cdt.core.dom.ast.IArrayType; |
| import org.eclipse.cdt.core.dom.ast.IType; |
| import org.eclipse.cdt.core.dom.ast.ITypedef; |
| import org.eclipse.cdt.core.dom.ast.IValue; |
| import org.eclipse.cdt.core.parser.util.CharArrayUtils; |
| import org.eclipse.cdt.internal.core.dom.parser.ISerializableType; |
| import org.eclipse.cdt.internal.core.dom.parser.ITypeContainer; |
| import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer; |
| import org.eclipse.cdt.internal.core.dom.parser.IntegralValue; |
| import org.eclipse.cdt.internal.core.dom.parser.ValueFactory; |
| import org.eclipse.core.runtime.CoreException; |
| |
| public class CPPArrayType implements IArrayType, ITypeContainer, ISerializableType { |
| private IType type; |
| private IASTExpression sizeExpression; |
| private IValue value= IntegralValue.NOT_INITIALIZED; |
| |
| public CPPArrayType(IType type, IValue value) { |
| this.value= value; |
| setType(type); |
| } |
| |
| public CPPArrayType(IType type, IASTExpression sizeExp) { |
| this.sizeExpression = sizeExp; |
| setType(type); |
| } |
| |
| @Override |
| public IType getType() { |
| return type; |
| } |
| |
| @Override |
| public final void setType(IType t) { |
| assert t != null; |
| this.type = t; |
| } |
| |
| @Override |
| public boolean isSameType(IType obj) { |
| if (obj == this) |
| return true; |
| if (obj instanceof ITypedef) |
| return ((ITypedef) obj).isSameType(this); |
| |
| if (obj instanceof IArrayType) { |
| final IArrayType rhs = (IArrayType) obj; |
| IType objType = rhs.getType(); |
| if (objType != null) { |
| if (objType.isSameType(type)) { |
| IValue s1= getSize(); |
| IValue s2= rhs.getSize(); |
| if (s1 == s2) |
| return true; |
| if (s1 == null || s2 == null) |
| return false; |
| return CharArrayUtils.equals(s1.getSignature(), s2.getSignature()); |
| } |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public IValue getSize() { |
| if (value != IntegralValue.NOT_INITIALIZED) |
| return value; |
| |
| if (sizeExpression == null) |
| return value= null; |
| |
| return value= ValueFactory.create(sizeExpression); |
| } |
| |
| @Override |
| public boolean hasSize() { |
| return value == IntegralValue.NOT_INITIALIZED ? sizeExpression != null : value != null; |
| } |
| |
| @Override |
| @Deprecated |
| public IASTExpression getArraySizeExpression() { |
| return sizeExpression; |
| } |
| |
| @Override |
| public Object clone() { |
| IType t = null; |
| try { |
| t = (IType) super.clone(); |
| } catch (CloneNotSupportedException e) { |
| // Not going to happen |
| } |
| return t; |
| } |
| |
| @Override |
| public String toString() { |
| return ASTTypeUtil.getType(this); |
| } |
| |
| @Override |
| public void marshal(ITypeMarshalBuffer buffer) throws CoreException { |
| final short firstBytes = ITypeMarshalBuffer.ARRAY_TYPE; |
| |
| IValue val= getSize(); |
| if (val == null) { |
| buffer.putShort(firstBytes); |
| buffer.marshalType(getType()); |
| return; |
| } |
| |
| Number num= val.numberValue(); |
| if (num != null) { |
| long lnum= num.longValue(); |
| if (lnum >= 0) { |
| buffer.putShort((short) (firstBytes | ITypeMarshalBuffer.FLAG1)); |
| buffer.putLong(lnum); |
| buffer.marshalType(getType()); |
| return; |
| } |
| } |
| buffer.putShort((short) (firstBytes | ITypeMarshalBuffer.FLAG2)); |
| buffer.marshalValue(val); |
| buffer.marshalType(getType()); |
| } |
| |
| public static IType unmarshal(short firstBytes, ITypeMarshalBuffer buffer) throws CoreException { |
| IValue value= null; |
| if ((firstBytes & ITypeMarshalBuffer.FLAG1) != 0) { |
| value = IntegralValue.create(buffer.getLong()); |
| } else if ((firstBytes & ITypeMarshalBuffer.FLAG2) != 0) { |
| value = buffer.unmarshalValue(); |
| } |
| IType nested= buffer.unmarshalType(); |
| return new CPPArrayType(nested, value); |
| } |
| } |