org.eclipse.jdt.internal.compiler.ast.AbstractVariableDeclaration Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of ecj Show documentation
This is Eclipse JDT Core Batch Compiler used by Scout SDK
The newest version!
/*******************************************************************************
 * Copyright (c) 2000, 2014 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
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Stephan Herrmann - Contribution for
 *								Bug 400874 - [1.8][compiler] Inference infrastructure should evolve to meet JLS8 18.x (Part G of JSR335 spec)
 *								Bug 427438 - [1.8][compiler] NPE at org.eclipse.jdt.internal.compiler.ast.ConditionalExpression.generateCode(ConditionalExpression.java:280)
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.ast;

import org.eclipse.jdt.internal.compiler.flow.FlowContext;
import org.eclipse.jdt.internal.compiler.flow.FlowInfo;
import org.eclipse.jdt.internal.compiler.lookup.BlockScope;
import org.eclipse.jdt.internal.compiler.lookup.InferenceContext18;
import org.eclipse.jdt.internal.compiler.lookup.InvocationSite;
import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
import org.eclipse.jdt.internal.compiler.lookup.Scope;
import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;

public abstract class AbstractVariableDeclaration extends Statement implements InvocationSite {
	public int declarationEnd;
	/**
	 * For local declarations (outside of for statement initialization) and field declarations,
	 * the declarationSourceEnd covers multiple locals if any.
	 * For local declarations inside for statement initialization, this is not the case.
	 */
	public int declarationSourceEnd;
	public int declarationSourceStart;
	public int hiddenVariableDepth; // used to diagnose hiding scenarii
	public Expression initialization;
	public int modifiers;
	public int modifiersSourceStart;
	public Annotation[] annotations;

	public char[] name;

	public TypeReference type;

	public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo) {
		return flowInfo;
	}

	public static final int FIELD = 1;
	public static final int INITIALIZER = 2;
	public static final int ENUM_CONSTANT = 3;
	public static final int LOCAL_VARIABLE = 4;
	public static final int PARAMETER = 5;
	public static final int TYPE_PARAMETER = 6;


	/**
	 * @see org.eclipse.jdt.internal.compiler.lookup.InvocationSite#genericTypeArguments()
	 */
	public TypeBinding[] genericTypeArguments() {
		return null;
	}

	/**
	 * Returns the constant kind of this variable declaration
	 */
	public abstract int getKind();

	public InferenceContext18 freshInferenceContext(Scope scope) {
		return null;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jdt.internal.compiler.lookup.InvocationSite#isSuperAccess()
	 */
	public boolean isSuperAccess() {
		return false;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jdt.internal.compiler.lookup.InvocationSite#isTypeAccess()
	 */
	public boolean isTypeAccess() {
		return false;
	}

	public StringBuffer printStatement(int indent, StringBuffer output) {
		printAsExpression(indent, output);
		switch(getKind()) {
			case ENUM_CONSTANT:
				return output.append(',');
			default:
				return output.append(';');
		}
	}

	public StringBuffer printAsExpression(int indent, StringBuffer output) {
		printIndent(indent, output);
		printModifiers(this.modifiers, output);
		if (this.annotations != null) {
			printAnnotations(this.annotations, output);
			output.append(' ');
		}

		if (this.type != null) {
			this.type.print(0, output).append(' ');
		}
		output.append(this.name);
		switch(getKind()) {
			case ENUM_CONSTANT:
				if (this.initialization != null) {
					this.initialization.printExpression(indent, output);
				}
				break;
			default:
				if (this.initialization != null) {
					output.append(" = "); //$NON-NLS-1$
					this.initialization.printExpression(indent, output);
				}
		}
		return output;
	}

	public void resolve(BlockScope scope) {
		// do nothing by default (redefined for local variables)
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jdt.internal.compiler.lookup.InvocationSite#setActualReceiverType(org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding)
	 */
	public void setActualReceiverType(ReferenceBinding receiverType) {
		// do nothing by default
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jdt.internal.compiler.lookup.InvocationSite#setDepth(int)
	 */
	public void setDepth(int depth) {

		this.hiddenVariableDepth = depth;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.jdt.internal.compiler.lookup.InvocationSite#setFieldIndex(int)
	 */
	public void setFieldIndex(int depth) {
		// do nothing by default
	}
}