/*******************************************************************************
* 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
*******************************************************************************/
package org.eclipse.jdt.internal.core.search.matching;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.search.SearchMatch;
import org.eclipse.jdt.core.search.SearchPattern;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.ast.Annotation;
import org.eclipse.jdt.internal.compiler.ast.ConstructorDeclaration;
import org.eclipse.jdt.internal.compiler.ast.Expression;
import org.eclipse.jdt.internal.compiler.ast.FieldDeclaration;
import org.eclipse.jdt.internal.compiler.ast.ImportReference;
import org.eclipse.jdt.internal.compiler.ast.LambdaExpression;
import org.eclipse.jdt.internal.compiler.ast.LocalDeclaration;
import org.eclipse.jdt.internal.compiler.ast.MemberValuePair;
import org.eclipse.jdt.internal.compiler.ast.MessageSend;
import org.eclipse.jdt.internal.compiler.ast.MethodDeclaration;
import org.eclipse.jdt.internal.compiler.ast.QualifiedTypeReference;
import org.eclipse.jdt.internal.compiler.ast.Reference;
import org.eclipse.jdt.internal.compiler.ast.ReferenceExpression;
import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration;
import org.eclipse.jdt.internal.compiler.ast.TypeParameter;
import org.eclipse.jdt.internal.compiler.ast.TypeReference;
import org.eclipse.jdt.internal.compiler.lookup.Binding;
import org.eclipse.jdt.internal.compiler.lookup.FieldBinding;
import org.eclipse.jdt.internal.compiler.lookup.MemberTypeBinding;
import org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
public class OrLocator extends PatternLocator {
protected PatternLocator[] patternLocators;
public OrLocator(OrPattern pattern) {
super(pattern);
SearchPattern[] patterns = pattern.patterns;
int length = patterns.length;
this.patternLocators = new PatternLocator[length];
for (int i = 0; i < length; i++)
this.patternLocators[i] = PatternLocator.patternLocator(patterns[i]);
}
public void initializePolymorphicSearch(MatchLocator locator) {
for (int i = 0, length = this.patternLocators.length; i < length; i++)
this.patternLocators[i].initializePolymorphicSearch(locator);
}
public int match(Annotation node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(ASTNode node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(ConstructorDeclaration node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(Expression node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(FieldDeclaration node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(LambdaExpression node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(LocalDeclaration node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(MethodDeclaration node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(MemberValuePair node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(MessageSend node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(Reference node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(ReferenceExpression node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(TypeDeclaration node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(TypeParameter node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
public int match(TypeReference node, MatchingNodeSet nodeSet) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].match(node, nodeSet);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel;
}
}
return level;
}
protected int matchContainer() {
int result = 0;
for (int i = 0, length = this.patternLocators.length; i < length; i++)
result |= this.patternLocators[i].matchContainer();
return result;
}
protected void matchLevelAndReportImportRef(ImportReference importRef, Binding binding, MatchLocator locator) throws CoreException {
// for static import, binding can be a field binding or a member type binding
// verify that in this case binding is static and use declaring class for fields
Binding refBinding = binding;
if (importRef.isStatic()) {
if (binding instanceof FieldBinding) {
FieldBinding fieldBinding = (FieldBinding) binding;
if (!fieldBinding.isStatic()) return;
refBinding = fieldBinding.declaringClass;
} else if (binding instanceof MethodBinding) {
MethodBinding methodBinding = (MethodBinding) binding;
if (!methodBinding.isStatic()) return;
refBinding = methodBinding.declaringClass;
} else if (binding instanceof MemberTypeBinding) {
MemberTypeBinding memberBinding = (MemberTypeBinding) binding;
if (!memberBinding.isStatic()) return;
}
}
// Look for closest pattern
PatternLocator closestPattern = null;
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
PatternLocator patternLocator = this.patternLocators[i];
int newLevel = patternLocator.referenceType() == 0 ? IMPOSSIBLE_MATCH : patternLocator.resolveLevel(refBinding);
if (newLevel > level) {
closestPattern = patternLocator;
if (newLevel == ACCURATE_MATCH) break;
level = newLevel;
}
}
if (closestPattern != null) {
closestPattern.matchLevelAndReportImportRef(importRef, binding, locator);
}
}
protected void matchReportImportRef(ImportReference importRef, Binding binding, IJavaElement element, int accuracy, MatchLocator locator) throws CoreException {
PatternLocator closestPattern = null;
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].matchLevel(importRef);
if (newLevel > level) {
closestPattern = this.patternLocators[i];
if (newLevel == ACCURATE_MATCH) break;
level = newLevel;
}
}
if (closestPattern != null)
closestPattern.matchReportImportRef(importRef, binding, element, accuracy, locator);
}
protected void matchReportReference(ASTNode reference, IJavaElement element, IJavaElement localElement, IJavaElement[] otherElements, Binding elementBinding, int accuracy, MatchLocator locator) throws CoreException {
PatternLocator closestPattern = null;
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
PatternLocator patternLocator = this.patternLocators[i];
int newLevel = patternLocator.referenceType() == 0 ? IMPOSSIBLE_MATCH : patternLocator.resolveLevel(reference);
if (newLevel > level) {
closestPattern = patternLocator;
if (newLevel == ACCURATE_MATCH) break;
level = newLevel;
}
}
if (closestPattern != null)
closestPattern.matchReportReference(reference, element, localElement, otherElements, elementBinding, accuracy, locator);
}
protected void matchReportReference(ASTNode reference, IJavaElement element, Binding elementBinding, int accuracy, MatchLocator locator) throws CoreException {
matchReportReference(reference, element, null, null, elementBinding, accuracy, locator);
}
public SearchMatch newDeclarationMatch(ASTNode reference, IJavaElement element, Binding elementBinding, int accuracy, int length, MatchLocator locator) {
PatternLocator closestPattern = null;
int level = IMPOSSIBLE_MATCH;
for (int i = 0, pl = this.patternLocators.length; i < pl; i++) {
PatternLocator patternLocator = this.patternLocators[i];
int newLevel = patternLocator.referenceType() == 0 ? IMPOSSIBLE_MATCH : patternLocator.resolveLevel(reference);
if (newLevel > level) {
closestPattern = patternLocator;
if (newLevel == ACCURATE_MATCH) break;
level = newLevel;
}
}
if (closestPattern != null) {
return closestPattern.newDeclarationMatch(reference, element, elementBinding, accuracy, length, locator);
}
// super implementation...
return locator.newDeclarationMatch(element, elementBinding, accuracy, reference.sourceStart, length);
}
public int resolveLevel(ASTNode node) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].resolveLevel(node);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel; // want to answer the stronger match
}
}
return level;
}
public int resolveLevel(Binding binding) {
int level = IMPOSSIBLE_MATCH;
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
int newLevel = this.patternLocators[i].resolveLevel(binding);
if (newLevel > level) {
if (newLevel == ACCURATE_MATCH) return ACCURATE_MATCH;
level = newLevel; // want to answer the stronger match
}
}
return level;
}
/* (non-Javadoc)
* @see org.eclipse.jdt.internal.core.search.matching.PatternLocator#setFlavors(int)
*/
void setFlavors(int flavors) {
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
this.patternLocators[i].setFlavors(flavors);
}
}
public void recordResolution(QualifiedTypeReference typeReference, TypeBinding resolution) {
for (int i = 0, length = this.patternLocators.length; i < length; i++) {
this.patternLocators[i].recordResolution(typeReference, resolution);
}
}
}