org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/ast/ArrayTypeReference.java

/*******************************************************************************
 * Copyright (c) 2000, 2012 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
 *
 * This is an implementation of an early-draft specification developed under the Java
 * Community Process (JCP) and is made available for testing and evaluation purposes
 * only. The code is not compatible with any specification of the JCP.
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.ast;

import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.internal.compiler.ASTVisitor;
import org.eclipse.jdt.internal.compiler.lookup.BlockScope;
import org.eclipse.jdt.internal.compiler.lookup.ClassScope;
import org.eclipse.jdt.internal.compiler.lookup.Scope;
import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;

public class ArrayTypeReference extends SingleTypeReference {
	public int dimensions;
	public Annotation[][] annotationsOnDimensions; // jsr308 style type annotations on dimensions.
	public int originalSourceEnd;

	/**
	 * ArrayTypeReference constructor comment.
	 * @param source char[]
	 * @param dimensions int
	 * @param pos int
	 */
	public ArrayTypeReference(char[] source, int dimensions, long pos) {

		super(source, pos);
		this.originalSourceEnd = this.sourceEnd;
		this.dimensions = dimensions ;
		this.annotationsOnDimensions = null;
	}

	public ArrayTypeReference(char[] source, int dimensions, Annotation[][] annotationsOnDimensions, long pos) {
		this(source, dimensions, pos);
		if (annotationsOnDimensions != null) {
			this.bits |= ASTNode.HasTypeAnnotations;
		}
		this.annotationsOnDimensions = annotationsOnDimensions;
	}

	public int dimensions() {

		return this.dimensions;
	}
	
	public Annotation[][] getAnnotationsOnDimensions() {
		return this.annotationsOnDimensions;
	}
	public void setAnnotationsOnDimensions(Annotation [][] annotationsOnDimensions) {
		this.annotationsOnDimensions = annotationsOnDimensions;
	}
	/**
	 * @return char[][]
	 */
	public char [][] getParameterizedTypeName(){
		int dim = this.dimensions;
		char[] dimChars = new char[dim*2];
		for (int i = 0; i < dim; i++) {
			int index = i*2;
			dimChars[index] = '[';
			dimChars[index+1] = ']';
		}
		return new char[][]{ CharOperation.concat(this.token, dimChars) };
	}
	protected TypeBinding getTypeBinding(Scope scope) {

		if (this.resolvedType != null) {
			return this.resolvedType;
		}
		if (this.dimensions > 255) {
			scope.problemReporter().tooManyDimensions(this);
		}
		TypeBinding leafComponentType = scope.getType(this.token);
		return scope.createArrayType(leafComponentType, this.dimensions);

	}

	public StringBuffer printExpression(int indent, StringBuffer output){

		super.printExpression(indent, output);
		if ((this.bits & IsVarArgs) != 0) {
			for (int i= 0 ; i < this.dimensions - 1; i++) {
				if (this.annotationsOnDimensions != null && this.annotationsOnDimensions[i] != null) {
					output.append(' ');
					printAnnotations(this.annotationsOnDimensions[i], output);
					output.append(' ');
				}
				output.append("[]"); //$NON-NLS-1$
			}
			if (this.annotationsOnDimensions != null && this.annotationsOnDimensions[this.dimensions - 1] != null) {
				output.append(' ');
				printAnnotations(this.annotationsOnDimensions[this.dimensions - 1], output);
				output.append(' ');
			}
			output.append("..."); //$NON-NLS-1$
		} else {
			for (int i= 0 ; i < this.dimensions; i++) {
				if (this.annotationsOnDimensions != null && this.annotationsOnDimensions[i] != null) {
					output.append(" "); //$NON-NLS-1$
					printAnnotations(this.annotationsOnDimensions[i], output);
					output.append(" "); //$NON-NLS-1$
				}
				output.append("[]"); //$NON-NLS-1$
			}
		}
		return output;
	}

	public void traverse(ASTVisitor visitor, BlockScope scope) {
		if (visitor.visit(this, scope)) {
			if (this.annotations != null) {
				Annotation [] typeAnnotations = this.annotations[0];
				for (int i = 0, length = typeAnnotations == null ? 0 : typeAnnotations.length; i < length; i++) {
					typeAnnotations[i].traverse(visitor, scope);
				}
			}
			if (this.annotationsOnDimensions != null) {
				for (int i = 0, max = this.annotationsOnDimensions.length; i < max; i++) {
					Annotation[] annotations2 = this.annotationsOnDimensions[i];
					if (annotations2 != null) {
						for (int j = 0, max2 = annotations2.length; j < max2; j++) {
							Annotation annotation = annotations2[j];
							annotation.traverse(visitor, scope);
						}
					}
				}
			}
		}
		visitor.endVisit(this, scope);
	}

	public void traverse(ASTVisitor visitor, ClassScope scope) {
		if (visitor.visit(this, scope)) {
			if (this.annotations != null) {
				Annotation [] typeAnnotations = this.annotations[0];
				for (int i = 0, length = typeAnnotations == null ? 0 : typeAnnotations.length; i < length; i++) {
					typeAnnotations[i].traverse(visitor, scope);
				}
			}
			if (this.annotationsOnDimensions != null) {
				for (int i = 0, max = this.annotationsOnDimensions.length; i < max; i++) {
					Annotation[] annotations2 = this.annotationsOnDimensions[i];
					if (annotations2 != null) {
						for (int j = 0, max2 = annotations2.length; j < max2; j++) {
							Annotation annotation = annotations2[j];
							annotation.traverse(visitor, scope);
						}
					}
				}
			}
		}
		visitor.endVisit(this, scope);
	}

	protected TypeBinding internalResolveType(Scope scope) {
		TypeBinding internalResolveType = super.internalResolveType(scope);
		return internalResolveType;
	}
}