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- /* *******************************************************************
- * Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
- * All rights reserved.
- * This program and the accompanying materials are made available
- * under the terms of the Common Public License v1.0
- * which accompanies this distribution and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * Xerox/PARC initial implementation
- * ******************************************************************/
-
-
- package org.aspectj.weaver.patterns;
-
- import java.io.*;
-
- import org.aspectj.util.FuzzyBoolean;
- import org.aspectj.weaver.*;
- import org.aspectj.weaver.ResolvedTypeX;
-
- /**
- * left && right
- *
- * <p>any binding to formals is explicitly forbidden for any composite by the language
- *
- * @author Erik Hilsdale
- * @author Jim Hugunin
- */
- public class AndTypePattern extends TypePattern {
- private TypePattern left, right;
-
- public AndTypePattern(TypePattern left, TypePattern right) {
- super(false); //??? we override all methods that care about includeSubtypes
- this.left = left;
- this.right = right;
- setLocation(left.getSourceContext(), left.getStart(), right.getEnd());
- }
-
- public FuzzyBoolean matchesInstanceof(ResolvedTypeX type) {
- return left.matchesInstanceof(type).and(right.matchesInstanceof(type));
- }
-
- protected boolean matchesExactly(ResolvedTypeX type) {
- //??? if these had side-effects, this sort-circuit could be a mistake
- return left.matchesExactly(type) && right.matchesExactly(type);
- }
-
- public boolean matchesStatically(ResolvedTypeX type) {
- return left.matchesStatically(type) && right.matchesStatically(type);
- }
-
- public void write(DataOutputStream s) throws IOException {
- s.writeByte(TypePattern.AND);
- left.write(s);
- right.write(s);
- writeLocation(s);
- }
-
- public static TypePattern read(DataInputStream s, ISourceContext context) throws IOException {
- TypePattern ret = new AndTypePattern(TypePattern.read(s, context), TypePattern.read(s, context));
- ret.readLocation(context, s);
- return ret;
- }
-
- public TypePattern resolveBindings(
- IScope scope,
- Bindings bindings,
- boolean allowBinding, boolean requireExactType)
- {
- if (requireExactType) return notExactType(scope);
- left = left.resolveBindings(scope, bindings, false, false);
- right = right.resolveBindings(scope, bindings, false, false);
- return this;
- }
-
- public String toString() {
- return "(" + left.toString() + " && " + right.toString() + ")";
- }
-
- }
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