org.eclipse.jdt.internal.compiler.ast.AbstractVariableDeclaration.java Source code

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Here is the source code for org.eclipse.jdt.internal.compiler.ast.AbstractVariableDeclaration.java

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/*******************************************************************************
 * 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
 *     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;

    @Override
    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()
     */
    @Override
    public TypeBinding[] genericTypeArguments() {
        return null;
    }

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

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

    @Override
    public boolean isSuperAccess() {
        return false;
    }

    @Override
    public boolean isTypeAccess() {
        return false;
    }

    @Override
    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;
    }

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

    @Override
    public void setActualReceiverType(ReferenceBinding receiverType) {
        // do nothing by default
    }

    @Override
    public void setDepth(int depth) {

        this.hiddenVariableDepth = depth;
    }

    @Override
    public void setFieldIndex(int depth) {
        // do nothing by default
    }
}