| /******************************************************************************* |
| * Copyright (c) 2012 NumberFour AG |
| * |
| * 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: |
| * NumberFour AG - initial API and Implementation (Alex Panchenko) |
| *******************************************************************************/ |
| package org.eclipse.dltk.javascript.structure; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.dltk.compiler.IElementRequestor.FieldInfo; |
| import org.eclipse.dltk.internal.javascript.parser.JSModifiers; |
| import org.eclipse.dltk.javascript.ast.FunctionStatement; |
| import org.eclipse.dltk.javascript.ast.NewExpression; |
| import org.eclipse.dltk.javascript.ast.VariableDeclaration; |
| import org.eclipse.dltk.javascript.typeinference.ReferenceLocation; |
| import org.eclipse.dltk.javascript.typeinfo.IModelBuilder.IVariable; |
| import org.eclipse.dltk.javascript.typeinfo.model.JSType; |
| |
| public class VariableNode extends ParentNode implements IDeclaration { |
| |
| private final IVariable variable; |
| private final VariableDeclaration declaration; |
| |
| private IStructureNode value; |
| |
| public VariableNode(IParentNode parent, VariableDeclaration declaration, |
| IVariable variable) { |
| super(parent); |
| this.declaration = declaration; |
| this.variable = variable; |
| } |
| |
| public String getName() { |
| return declaration.getVariableName(); |
| } |
| |
| public JSType getType() { |
| return variable.getType(); |
| } |
| |
| public ReferenceLocation getLocation() { |
| return variable.getLocation(); |
| } |
| |
| public int start() { |
| return getLocation().getDeclarationStart(); |
| } |
| |
| public IStructureNode getValue() { |
| return value; |
| } |
| |
| public void setValue(IStructureNode value) { |
| this.value = value; |
| } |
| |
| @Override |
| public List<? extends IStructureNode> getChildren() { |
| // if value is set and a result of "new function() {} |
| // then just return the children of that function object. |
| if (value != null |
| && declaration.getInitializer() instanceof NewExpression |
| && ((NewExpression) declaration.getInitializer()) |
| .getObjectClass() instanceof FunctionStatement) { |
| return value.getChildren(); |
| } |
| |
| return value != null ? Collections.singletonList(value) : Collections |
| .<IStructureNode> emptyList(); |
| } |
| |
| @Override |
| public String toString() { |
| final StringBuilder sb = new StringBuilder(); |
| sb.append(getName()); |
| sb.append(":variable"); |
| if (value != null) { |
| sb.append("="); |
| sb.append(value); |
| } |
| return sb.toString(); |
| } |
| |
| public void reportStructure(IStructureRequestor requestor, |
| IStructureContext context) { |
| final boolean isField = context.allow(IStructureContext.FIELD); |
| if (isField) { |
| final FieldInfo info = new FieldInfo(); |
| info.declarationStart = declaration.start(); |
| info.name = getName(); |
| info.nameSourceStart = declaration.getIdentifier().start(); |
| info.nameSourceEnd = declaration.getIdentifier().end() - 1; |
| info.type = typeToModel(variable.getType()); |
| if (variable.getVisibility() != null) { |
| info.modifiers |= variable.getVisibility().getFlags(); |
| } |
| if (variable.isDeprecated()) { |
| info.modifiers |= JSModifiers.DEPRECATED; |
| } |
| requestor.enterField(info, declaration.getIdentifier(), |
| variable.getType(), false); |
| } else { |
| requestor.enterLocal(declaration.getIdentifier(), |
| variable.getType()); |
| } |
| reportChildrenStructure(requestor, context); |
| if (isField) { |
| requestor.exitField(declaration.end() - 1); |
| } else { |
| requestor.exitLocal(declaration.end() - 1); |
| } |
| } |
| |
| } |