123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180 |
- /* *******************************************************************
- * 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 Eclipse Public License v1.0
- * which accompanies this distribution and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * PARC initial implementation
- * ******************************************************************/
-
- package org.aspectj.weaver.patterns;
-
- import java.io.IOException;
- import java.util.Map;
-
- import org.aspectj.util.FuzzyBoolean;
- import org.aspectj.weaver.AjAttribute;
- import org.aspectj.weaver.CompressingDataOutputStream;
- import org.aspectj.weaver.ISourceContext;
- import org.aspectj.weaver.ResolvedType;
- import org.aspectj.weaver.UnresolvedType;
- import org.aspectj.weaver.VersionedDataInputStream;
- import org.aspectj.weaver.World;
-
- /**
- * !TypePattern
- *
- * <p>
- * any binding to formals is explicitly forbidden for any composite, ! is just the most obviously wrong case.
- *
- * @author Erik Hilsdale
- * @author Jim Hugunin
- */
- public class NotTypePattern extends TypePattern {
- private TypePattern negatedPattern;
- private boolean isBangVoid = false; // is this '!void'
- private boolean checked = false;
-
- public NotTypePattern(TypePattern pattern) {
- super(false, false); // ??? we override all methods that care about includeSubtypes
- this.negatedPattern = pattern;
- setLocation(pattern.getSourceContext(), pattern.getStart(), pattern.getEnd());
- }
-
- public TypePattern getNegatedPattern() {
- return negatedPattern;
- }
-
- @Override
- protected boolean couldEverMatchSameTypesAs(TypePattern other) {
- return true;
- }
-
- @Override
- public FuzzyBoolean matchesInstanceof(ResolvedType type) {
- return negatedPattern.matchesInstanceof(type).not();
- }
-
- @Override
- protected boolean matchesExactly(ResolvedType type) {
- return (!negatedPattern.matchesExactly(type) && annotationPattern.matches(type).alwaysTrue());
- }
-
- @Override
- protected boolean matchesExactly(ResolvedType type, ResolvedType annotatedType) {
- return (!negatedPattern.matchesExactly(type, annotatedType) && annotationPattern.matches(annotatedType).alwaysTrue());
- }
-
- @Override
- public boolean matchesStatically(ResolvedType type) {
- return !negatedPattern.matchesStatically(type);
- }
-
- @Override
- public void setAnnotationTypePattern(AnnotationTypePattern annPatt) {
- super.setAnnotationTypePattern(annPatt);
- }
-
- @Override
- public void setIsVarArgs(boolean isVarArgs) {
- negatedPattern.setIsVarArgs(isVarArgs);
- }
-
- @Override
- public void write(CompressingDataOutputStream s) throws IOException {
- s.writeByte(TypePattern.NOT);
- negatedPattern.write(s);
- annotationPattern.write(s);
- writeLocation(s);
- }
-
- public static TypePattern read(VersionedDataInputStream s, ISourceContext context) throws IOException {
- TypePattern ret = new NotTypePattern(TypePattern.read(s, context));
- if (s.getMajorVersion() >= AjAttribute.WeaverVersionInfo.WEAVER_VERSION_MAJOR_AJ150) {
- ret.annotationPattern = AnnotationTypePattern.read(s, context);
- }
- ret.readLocation(context, s);
- return ret;
- }
-
- @Override
- public TypePattern resolveBindings(IScope scope, Bindings bindings, boolean allowBinding, boolean requireExactType) {
- if (requireExactType) {
- return notExactType(scope);
- }
- negatedPattern = negatedPattern.resolveBindings(scope, bindings, false, false);
- return this;
- }
-
- @Override
- public boolean isBangVoid() {
- if (!checked) {
- isBangVoid = negatedPattern.getExactType().isVoid();
- checked = true;
- }
- return isBangVoid;
- }
-
- @Override
- public TypePattern parameterizeWith(Map<String,UnresolvedType> typeVariableMap, World w) {
- TypePattern newNegatedPattern = negatedPattern.parameterizeWith(typeVariableMap, w);
- NotTypePattern ret = new NotTypePattern(newNegatedPattern);
- ret.copyLocationFrom(this);
- return ret;
- }
-
- @Override
- public String toString() {
- StringBuffer buff = new StringBuffer();
- if (annotationPattern != AnnotationTypePattern.ANY) {
- buff.append('(');
- buff.append(annotationPattern.toString());
- buff.append(' ');
- }
- buff.append('!');
- buff.append(negatedPattern);
- if (annotationPattern != AnnotationTypePattern.ANY) {
- buff.append(')');
- }
- return buff.toString();
- }
-
- /*
- * (non-Javadoc)
- *
- * @see java.lang.Object#equals(java.lang.Object)
- */
- @Override
- public boolean equals(Object obj) {
- if (!(obj instanceof NotTypePattern)) {
- return false;
- }
- return (negatedPattern.equals(((NotTypePattern) obj).negatedPattern));
- }
-
- /*
- * (non-Javadoc)
- *
- * @see java.lang.Object#hashCode()
- */
- @Override
- public int hashCode() {
- return 17 + 37 * negatedPattern.hashCode();
- }
-
- @Override
- public Object accept(PatternNodeVisitor visitor, Object data) {
- return visitor.visit(this, data);
- }
-
- @Override
- public Object traverse(PatternNodeVisitor visitor, Object data) {
- Object ret = accept(visitor, data);
- negatedPattern.traverse(visitor, ret);
- return ret;
- }
-
- }
|