/*******************************************************************************
* Copyright (c) 2011 Bruno Medeiros and other Contributors.
* 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:
* Bruno Medeiros - initial API and implementation
*******************************************************************************/
package dtool.ast.definitions;
import static melnorme.utilbox.core.Assert.AssertNamespace.assertTrue;
import melnorme.lang.tooling.ast.CommonASTNode;
import melnorme.lang.tooling.ast.IASTNode;
import melnorme.lang.tooling.ast.IASTVisitor;
import melnorme.lang.tooling.ast.util.ASTCodePrinter;
import melnorme.lang.tooling.ast.util.NodeVector;
import melnorme.lang.tooling.ast_actual.ASTNodeTypes;
import melnorme.lang.tooling.engine.PickedElement;
import melnorme.lang.tooling.engine.scoping.INonScopedContainer;
import melnorme.utilbox.collections.ArrayView;
import dtool.ast.declarations.IDeclaration;
import dtool.ast.expressions.IInitializer;
import dtool.ast.references.Reference;
import dtool.ast.statements.IStatement;
import dtool.engine.analysis.CommonDefVarSemantics;
import dtool.engine.analysis.IVarDefinitionLike;
import dtool.parser.common.Token;
/**
* A variable definition.
* Optionally has multiple variables defined with the multi-identifier syntax.
*/
public class DefinitionVariable extends CommonDefinition
implements IDeclaration, IStatement, INonScopedContainer, IVarDefinitionLike {
public static final ArrayView<DefVarFragment> NO_FRAGMENTS = ArrayView.create(new DefVarFragment[0]);
public final Reference type; // Can be null
public final NodeVector<ITemplateParameter> tplParams;
public final Reference cstyleSuffix;
public final IInitializer initializer;
protected final NodeVector<DefVarFragment> fragments;
public DefinitionVariable(Token[] comments, DefSymbol defName, Reference type,
NodeVector<ITemplateParameter> tplParams, Reference cstyleSuffix,
IInitializer initializer, NodeVector<DefVarFragment> fragments)
{
super(comments, defName);
this.type = parentize(type);
this.tplParams = parentize(tplParams);
this.cstyleSuffix = parentize(cstyleSuffix);
this.initializer = parentize(initializer);
this.fragments = parentize(fragments);
assertTrue(fragments == null || fragments.size() > 0);
assertTrue(cstyleSuffix == null || tplParams == null);
}
@Override
public ASTNodeTypes getNodeType() {
return ASTNodeTypes.DEFINITION_VARIABLE;
}
@Override
public void visitChildren(IASTVisitor visitor) {
acceptVisitor(visitor, type);
acceptVisitor(visitor, defName);
acceptVisitor(visitor, tplParams);
acceptVisitor(visitor, cstyleSuffix);
acceptVisitor(visitor, initializer);
acceptVisitor(visitor, fragments);
}
@Override
protected CommonASTNode doCloneTree() {
return new DefinitionVariable(comments, clone(defName), clone(type), clone(tplParams), clone(cstyleSuffix),
clone(initializer), clone(fragments));
}
@Override
public void toStringAsCode(ASTCodePrinter cp) {
cp.append(type, " ");
cp.append(defName);
cp.appendList("(", tplParams, ",", ") ");
cp.append(cstyleSuffix);
cp.append(" = ", initializer);
cp.appendList(", ", fragments, ", ", "");
cp.append(";");
}
@Override
public EArcheType getArcheType() {
return EArcheType.Variable;
}
public ArrayView<DefVarFragment> getFragments() {
return fragments == null ? NO_FRAGMENTS : fragments;
}
@Override
public Iterable<? extends IASTNode> getMembersIterable() {
return getFragments();
}
@Override
public Reference getDeclaredType() {
return type;
}
@Override
public IInitializer getDeclaredInitializer() {
return initializer;
}
/* ----------------- ----------------- */
@Override
protected CommonDefVarSemantics doCreateSemantics(PickedElement<?> pickedElement) {
return new CommonDefVarSemantics(this, pickedElement);
}
/* ----------------- ----------------- */
public static class DefinitionAutoVariable extends DefinitionVariable {
public DefinitionAutoVariable(Token[] comments, DefSymbol defName, NodeVector<ITemplateParameter> tplParams,
IInitializer initializer, NodeVector<DefVarFragment> fragments) {
super(comments, defName, null, tplParams, null, initializer, fragments);
}
@Override
public ASTNodeTypes getNodeType() {
return ASTNodeTypes.DEFINITION_AUTO_VARIABLE;
}
@Override
protected CommonASTNode doCloneTree() {
return new DefinitionAutoVariable(comments, clone(defName), clone(tplParams), clone(initializer),
clone(fragments));
}
}
}