org.eclipse.jdt.internal.compiler.ExtraFlags.java Source code

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

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/*******************************************************************************
 * Copyright (c) 2009 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.compiler;

import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileReader;
import org.eclipse.jdt.internal.compiler.env.IBinaryNestedType;

public final class ExtraFlags {
    public final static int HasNonPrivateStaticMemberTypes = 0x0001;
    public final static int IsMemberType = 0x0002;
    public final static int IsLocalType = 0x0004;

    //internal flags
    public final static int ParameterTypesStoredAsSignature = 0x0010;

    public static int getExtraFlags(ClassFileReader reader) {
        int extraFlags = 0;

        if (reader.isNestedType()) {
            extraFlags |= ExtraFlags.IsMemberType;
        }

        if (reader.isLocal()) {
            extraFlags |= ExtraFlags.IsLocalType;
        }

        IBinaryNestedType[] memberTypes = reader.getMemberTypes();
        int memberTypeCounter = memberTypes == null ? 0 : memberTypes.length;
        if (memberTypeCounter > 0) {
            done: for (int i = 0; i < memberTypeCounter; i++) {
                int modifiers = memberTypes[i].getModifiers();
                // if the member type is static and not private
                if ((modifiers & ClassFileConstants.AccStatic) != 0
                        && (modifiers & ClassFileConstants.AccPrivate) == 0) {
                    extraFlags |= ExtraFlags.HasNonPrivateStaticMemberTypes;
                    break done;
                }
            }

        }

        return extraFlags;
    }

    public static int getExtraFlags(IType type) throws JavaModelException {
        int extraFlags = 0;

        if (type.isMember()) {
            extraFlags |= ExtraFlags.IsMemberType;
        }

        if (type.isLocal()) {
            extraFlags |= ExtraFlags.IsLocalType;
        }

        IType[] memberTypes = type.getTypes();
        int memberTypeCounter = memberTypes == null ? 0 : memberTypes.length;
        if (memberTypeCounter > 0) {
            done: for (int i = 0; i < memberTypeCounter; i++) {
                int flags = memberTypes[i].getFlags();
                // if the member type is static and not private
                if ((flags & ClassFileConstants.AccStatic) != 0 && (flags & ClassFileConstants.AccPrivate) == 0) {
                    extraFlags |= ExtraFlags.HasNonPrivateStaticMemberTypes;
                    break done;
                }
            }
        }

        return extraFlags;
    }

    public static int getExtraFlags(TypeDeclaration typeDeclaration) {
        int extraFlags = 0;

        if (typeDeclaration.enclosingType != null) {
            extraFlags |= ExtraFlags.IsMemberType;
        }
        TypeDeclaration[] memberTypes = typeDeclaration.memberTypes;
        int memberTypeCounter = memberTypes == null ? 0 : memberTypes.length;
        if (memberTypeCounter > 0) {
            done: for (int i = 0; i < memberTypeCounter; i++) {
                int modifiers = memberTypes[i].modifiers;
                // if the member type is static and not private
                if ((modifiers & ClassFileConstants.AccStatic) != 0
                        && (modifiers & ClassFileConstants.AccPrivate) == 0) {
                    extraFlags |= ExtraFlags.HasNonPrivateStaticMemberTypes;
                    break done;
                }
            }
        }

        return extraFlags;
    }
}