Copyright (c) 2000, 2017 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
    Stephan Herrmann - Contribution for
							Bug 429958 - [1.8][null] evaluate new DefaultLocation attribute of @NonNullByDefault
/*******************************************************************************
 * Copyright (c) 2000, 2017 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Stephan Herrmann - Contribution for
 *								Bug 429958 - [1.8][null] evaluate new DefaultLocation attribute of @NonNullByDefault
 *******************************************************************************/
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.*;
import org.eclipse.jdt.internal.compiler.problem.AbortCompilation;

public class ArrayQualifiedTypeReference extends QualifiedTypeReference {
	int dimensions;
	private Annotation[][] annotationsOnDimensions;  // jsr308 style type annotations on dimensions
	public int extendedDimensions;

	public ArrayQualifiedTypeReference(char[][] sources , int dim, long[] poss) {

		super( sources , poss);
		this.dimensions = dim ;
		this.annotationsOnDimensions = null; 
	}

	public ArrayQualifiedTypeReference(char[][] sources, int dim, Annotation[][] annotationsOnDimensions, long[] poss) {
		this(sources, dim, poss);
		this.annotationsOnDimensions = annotationsOnDimensions;
		if (annotationsOnDimensions != null)
			this.bits |= ASTNode.HasTypeAnnotations;
	}

	@Override
	public int dimensions() {

		return this.dimensions;
	}
	
	@Override
	public int extraDimensions() {
		return this.extendedDimensions;
	}

	
See Also:
getAnnotationsOnDimensions.getAnnotationsOnDimensions(boolean)/**
	 @see org.eclipse.jdt.internal.compiler.ast.TypeReference#getAnnotationsOnDimensions(boolean)
	*/
	@Override
	public Annotation[][] getAnnotationsOnDimensions(boolean useSourceOrder) {
		if (useSourceOrder || this.annotationsOnDimensions == null || this.annotationsOnDimensions.length == 0 || this.extendedDimensions == 0 || this.extendedDimensions == this.dimensions)
			return this.annotationsOnDimensions;
		Annotation [][] externalAnnotations = new Annotation[this.dimensions][];
		final int baseDimensions = this.dimensions - this.extendedDimensions;
		System.arraycopy(this.annotationsOnDimensions, baseDimensions, externalAnnotations, 0, this.extendedDimensions);
		System.arraycopy(this.annotationsOnDimensions, 0, externalAnnotations, this.extendedDimensions, baseDimensions);
		return externalAnnotations;
	}
	
	@Override
	public void setAnnotationsOnDimensions(Annotation [][] annotationsOnDimensions) {
		this.annotationsOnDimensions = annotationsOnDimensions;
	}

	
Returns:
char[][]/**
	 * @return char[][]
	 */
	@Override
	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] = ']';
		}
		int length = this.tokens.length;
		char[][] qParamName = new char[length][];
		System.arraycopy(this.tokens, 0, qParamName, 0, length-1);
		qParamName[length-1] = CharOperation.concat(this.tokens[length-1], dimChars);
		return qParamName;
	}

	@Override
	protected TypeBinding getTypeBinding(Scope scope) {

		if (this.resolvedType != null)
			return this.resolvedType;
		if (this.dimensions > 255) {
			scope.problemReporter().tooManyDimensions(this);
		}
		LookupEnvironment env = scope.environment();
		try {
			env.missingClassFileLocation = this;
			TypeBinding leafComponentType = super.getTypeBinding(scope);
			if (leafComponentType != null) {
				return this.resolvedType = scope.createArrayType(leafComponentType, this.dimensions);
			}
			return null;
		} catch (AbortCompilation e) {
			e.updateContext(this, scope.referenceCompilationUnit().compilationResult);
			throw e;
		} finally {
			env.missingClassFileLocation = null;
		}
	}

	@Override
	protected TypeBinding internalResolveType(Scope scope, int location) {
		TypeBinding internalResolveType = super.internalResolveType(scope, location);
		internalResolveType = ArrayTypeReference.maybeMarkArrayContentsNonNull(scope, internalResolveType, this.sourceStart, this.dimensions, null);

		return internalResolveType;
	}

	@Override
	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;
	}

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

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