| /******************************************************************************* |
| * Copyright (c) 2005, 2010 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: |
| * Devin Steffler (IBM Rational Software) - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.dom.parser.c; |
| |
| import org.eclipse.cdt.core.dom.ast.IASTCompositeTypeSpecifier; |
| import org.eclipse.cdt.core.dom.ast.IASTElaboratedTypeSpecifier; |
| import org.eclipse.cdt.core.dom.ast.IASTEnumerationSpecifier; |
| import org.eclipse.cdt.core.dom.ast.IBinding; |
| import org.eclipse.cdt.core.dom.ast.IProblemBinding; |
| import org.eclipse.cdt.core.dom.ast.ISemanticProblem; |
| import org.eclipse.cdt.core.dom.ast.IType; |
| import org.eclipse.cdt.core.dom.ast.ITypedef; |
| import org.eclipse.cdt.core.dom.ast.c.ICASTDeclSpecifier; |
| import org.eclipse.cdt.core.dom.ast.c.ICASTSimpleDeclSpecifier; |
| import org.eclipse.cdt.core.dom.ast.c.ICASTTypedefNameSpecifier; |
| import org.eclipse.cdt.core.dom.ast.c.ICQualifierType; |
| 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.ProblemType; |
| import org.eclipse.core.runtime.CoreException; |
| |
| public class CQualifierType implements ICQualifierType, ITypeContainer, ISerializableType { |
| private boolean isConst; |
| private boolean isVolatile; |
| private boolean isRestrict; |
| private IType type; |
| |
| /** |
| * CQualifierType has an IBasicType to keep track of the basic type information. |
| */ |
| public CQualifierType(ICASTDeclSpecifier declSpec) { |
| this.type = resolveType(declSpec); |
| this.isConst = declSpec.isConst(); |
| this.isVolatile = declSpec.isVolatile(); |
| this.isRestrict = declSpec.isRestrict(); |
| } |
| |
| public CQualifierType(IType type, boolean isConst, boolean isVolatile, boolean isRestrict) { |
| this.type = type; |
| this.isConst = isConst; |
| this.isVolatile = isVolatile; |
| this.isRestrict = isRestrict; |
| } |
| |
| @Override |
| public boolean isSameType(IType obj) { |
| if (obj == this) |
| return true; |
| if (obj instanceof ITypedef) |
| return obj.isSameType(this); |
| |
| if (obj instanceof ICQualifierType) { |
| ICQualifierType qt = (ICQualifierType) obj; |
| if (isConst() != qt.isConst()) return false; |
| if (isRestrict() != qt.isRestrict()) return false; |
| if (isVolatile() != qt.isVolatile()) return false; |
| |
| if (type == null) |
| return false; |
| return type.isSameType(qt.getType()); |
| } |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.cdt.core.dom.ast.IQualifierType#isConst() |
| */ |
| @Override |
| public boolean isConst() { |
| return isConst; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.cdt.core.dom.ast.IQualifierType#isVolatile() |
| */ |
| @Override |
| public boolean isVolatile() { |
| return isVolatile; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.cdt.core.dom.ast.c.ICQualifierType#isRestrict() |
| */ |
| @Override |
| public boolean isRestrict() { |
| return isRestrict; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.cdt.core.dom.ast.IQualifierType#getType() |
| */ |
| private IType resolveType(ICASTDeclSpecifier declSpec) { |
| IBinding b = null; |
| if (declSpec instanceof ICASTTypedefNameSpecifier) { |
| ICASTTypedefNameSpecifier nameSpec = (ICASTTypedefNameSpecifier) declSpec; |
| b = nameSpec.getName().resolveBinding(); |
| } else if (declSpec instanceof IASTElaboratedTypeSpecifier) { |
| IASTElaboratedTypeSpecifier elabTypeSpec = (IASTElaboratedTypeSpecifier) declSpec; |
| b = elabTypeSpec.getName().resolveBinding(); |
| } else if (declSpec instanceof IASTCompositeTypeSpecifier) { |
| IASTCompositeTypeSpecifier compTypeSpec = (IASTCompositeTypeSpecifier) declSpec; |
| b = compTypeSpec.getName().resolveBinding(); |
| } else if (declSpec instanceof IASTEnumerationSpecifier) { |
| return new CEnumeration(((IASTEnumerationSpecifier) declSpec).getName()); |
| } else { |
| return new CBasicType((ICASTSimpleDeclSpecifier) declSpec); |
| } |
| |
| if (b instanceof IType && !(b instanceof IProblemBinding)) |
| return (IType) b; |
| |
| return new ProblemType(ISemanticProblem.TYPE_UNRESOLVED_NAME); |
| } |
| |
| @Override |
| public IType getType() { |
| return type; |
| } |
| |
| @Override |
| public void setType(IType t) { |
| type = t; |
| } |
| |
| @Override |
| public Object clone() { |
| IType t = null; |
| try { |
| t = (IType) super.clone(); |
| } catch (CloneNotSupportedException e) { |
| //not going to happen |
| } |
| return t; |
| } |
| |
| @Override |
| public void marshal(ITypeMarshalBuffer buffer) throws CoreException { |
| int firstByte= ITypeMarshalBuffer.CVQUALIFIER_TYPE; |
| if (isConst()) firstByte |= ITypeMarshalBuffer.FLAG1; |
| if (isVolatile()) firstByte |= ITypeMarshalBuffer.FLAG2; |
| if (isRestrict()) firstByte |= ITypeMarshalBuffer.FLAG3; |
| buffer.putByte((byte) firstByte); |
| buffer.marshalType(getType()); |
| } |
| |
| public static IType unmarshal(int firstByte, ITypeMarshalBuffer buffer) throws CoreException { |
| IType nested= buffer.unmarshalType(); |
| return new CQualifierType(nested, (firstByte & ITypeMarshalBuffer.FLAG1) != 0, |
| (firstByte & ITypeMarshalBuffer.FLAG2) != 0, (firstByte & ITypeMarshalBuffer.FLAG3) != 0); |
| } |
| } |