Copyright (c) 2000, 2014 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
/*******************************************************************************
 * Copyright (c) 2000, 2014 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
 *******************************************************************************/
package org.eclipse.jdt.internal.codeassist.complete;

/*
 * Completion node build by the parser in any case it was intending to
 * reduce an allocation expression containing the cursor.
 * If the allocation expression is not qualified, the enclosingInstance field
 * is null.
 * e.g.
 *
 *	class X {
 *    void foo() {
 *      new Bar(1, 2, [cursor]
 *    }
 *  }
 *
 *	---> class X {
 *         void foo() {
 *           <CompleteOnAllocationExpression:new Bar(1, 2)>
 *         }
 *       }
 *
 * The source range is always of length 0.
 * The arguments of the allocation expression are all the arguments defined
 * before the cursor.
 */

import org.eclipse.jdt.internal.compiler.ast.*;
import org.eclipse.jdt.internal.compiler.lookup.*;

public class CompletionOnQualifiedAllocationExpression extends QualifiedAllocationExpression {
@Override
public TypeBinding resolveType(BlockScope scope) {
	this.argumentTypes = Binding.NO_PARAMETERS;
	if (this.arguments != null) {
		int argsLength = this.arguments.length;
		int length = this.arguments.length;
		this.argumentTypes = new TypeBinding[length];
		for (int a = argsLength; --a >= 0;) {
			this.argumentTypes[a] = this.arguments[a].resolveType(scope);
		}
	}
	final boolean isDiamond = this.type != null && (this.type.bits & ASTNode.IsDiamond) != 0;
	if (this.enclosingInstance != null) {
		TypeBinding enclosingType = this.enclosingInstance.resolveType(scope);
		if (enclosingType == null) {
			// try to propose something even if enclosing type cannot be resolved.
			// Eg.: new Test<>().new Test<>(#cursor#
			if (this.enclosingInstance instanceof AllocationExpression) {
				TypeReference enclosingInstanceType = ((AllocationExpression) this.enclosingInstance).type;
				if (enclosingInstanceType != null) {
					enclosingType = enclosingInstanceType.resolvedType;
				}
			}
		}
		if (enclosingType == null || !(enclosingType instanceof ReferenceBinding)) {
			throw new CompletionNodeFound();
		}
		this.resolvedType = ((SingleTypeReference) this.type).resolveTypeEnclosing(scope, (ReferenceBinding) enclosingType);
		if (isDiamond && (this.resolvedType instanceof ParameterizedTypeBinding)) {
			TypeBinding [] inferredTypes = inferElidedTypes(scope);
			if (inferredTypes != null) {
				this.resolvedType = this.type.resolvedType = scope.environment().createParameterizedType(((ParameterizedTypeBinding) this.resolvedType).genericType(), inferredTypes, this.resolvedType.enclosingType());
			} else {
				// inference failed. Resolved type will be of the form Test<>
				this.bits |= ASTNode.IsDiamond;
			}
	 	}
		if (!(this.resolvedType instanceof ReferenceBinding))
			throw new CompletionNodeFound(); // no need to continue if its an array or base type
		if (this.resolvedType.isInterface()) // handle the anonymous class definition case
			this.resolvedType = scope.getJavaLangObject();
	} else {
	 	this.resolvedType = this.type.resolveType(scope, true /* check bounds*/);
	 	if (isDiamond && (this.resolvedType instanceof ParameterizedTypeBinding)) {
			TypeBinding [] inferredTypes = inferElidedTypes(scope);
			if (inferredTypes != null) {
				this.resolvedType = this.type.resolvedType = scope.environment().createParameterizedType(((ParameterizedTypeBinding) this.resolvedType).genericType(), inferredTypes, this.resolvedType.enclosingType());
			} else {
				// inference failed. Resolved type will be of the form Test<>
				this.bits |= ASTNode.IsDiamond;
			}
	 	}
		if (!(this.resolvedType instanceof ReferenceBinding))
			throw new CompletionNodeFound(); // no need to continue if its an array or base type
	}

	throw new CompletionNodeFound(this, this.resolvedType, scope);
}
@Override
public StringBuffer printExpression(int indent, StringBuffer output) {
	if (this.enclosingInstance == null)
		output.append("<CompleteOnAllocationExpression:" );  //$NON-NLS-1$
	else
		output.append("<CompleteOnQualifiedAllocationExpression:");  //$NON-NLS-1$
	return super.printExpression(indent, output).append('>');
}
}