| /******************************************************************************* |
| * 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.core.search.matching; |
| |
| import org.eclipse.jdt.core.compiler.CharOperation; |
| import org.eclipse.jdt.core.search.SearchPattern; |
| import org.eclipse.jdt.internal.compiler.ExtraFlags; |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
| |
| public class ConstructorDeclarationPattern extends ConstructorPattern { |
| public int extraFlags; |
| |
| public int declaringTypeModifiers; |
| public char[] declaringPackageName; |
| |
| public int modifiers; |
| public char[] signature; |
| public char[][] parameterTypes; |
| public char[][] parameterNames; |
| |
| public ConstructorDeclarationPattern(char[] declaringPackageName, char[] declaringSimpleName, int matchRule) { |
| this(matchRule); |
| this.declaringSimpleName = (this.isCaseSensitive || this.isCamelCase) ? declaringSimpleName : CharOperation.toLowerCase(declaringSimpleName); |
| this.declaringPackageName = declaringPackageName; |
| this.findDeclarations = true; |
| this.findReferences = false; |
| this.parameterCount = -1; |
| this.mustResolve = false; |
| } |
| |
| ConstructorDeclarationPattern(int matchRule) { |
| super(matchRule); |
| } |
| @Override |
| public void decodeIndexKey(char[] key) { |
| int last = key.length - 1; |
| int slash = CharOperation.indexOf(SEPARATOR, key, 0); |
| this.declaringSimpleName = CharOperation.subarray(key, 0, slash); |
| |
| int start = slash + 1; |
| slash = CharOperation.indexOf(SEPARATOR, key, start); |
| last = slash - 1; |
| |
| boolean isDefaultConstructor = key[last] == '#'; |
| if (isDefaultConstructor) { |
| this.parameterCount = -1; |
| } else { |
| this.parameterCount = 0; |
| int power = 1; |
| for (int i = last; i >= start; i--) { |
| if (i == last) { |
| this.parameterCount = key[i] - '0'; |
| } else { |
| power *= 10; |
| this.parameterCount += power * (key[i] - '0'); |
| } |
| } |
| } |
| |
| slash = slash + 3; |
| last = slash - 1; |
| |
| int typeModifiersWithExtraFlags = key[last-1] + (key[last]<<16); |
| this.declaringTypeModifiers = decodeModifers(typeModifiersWithExtraFlags); |
| this.extraFlags = decodeExtraFlags(typeModifiersWithExtraFlags); |
| |
| // initialize optional fields |
| this.declaringPackageName = null; |
| this.modifiers = 0; |
| this.signature = null; |
| this.parameterTypes = null; |
| this.parameterNames = null; |
| |
| boolean isMemberType = (this.extraFlags & ExtraFlags.IsMemberType) != 0; |
| |
| if (!isMemberType) { |
| start = slash + 1; |
| if (this.parameterCount == -1) { |
| slash = key.length; |
| last = slash - 1; |
| } else { |
| slash = CharOperation.indexOf(SEPARATOR, key, start); |
| } |
| last = slash - 1; |
| |
| this.declaringPackageName = CharOperation.subarray(key, start, slash); |
| |
| start = slash + 1; |
| if (this.parameterCount == 0) { |
| slash = slash + 3; |
| last = slash - 1; |
| |
| this.modifiers = key[last-1] + (key[last]<<16); |
| } else if (this.parameterCount > 0){ |
| slash = CharOperation.indexOf(SEPARATOR, key, start); |
| last = slash - 1; |
| |
| boolean hasParameterStoredAsSignature = (this.extraFlags & ExtraFlags.ParameterTypesStoredAsSignature) != 0; |
| if (hasParameterStoredAsSignature) { |
| this.signature = CharOperation.subarray(key, start, slash); |
| CharOperation.replace(this.signature , '\\', SEPARATOR); |
| } else { |
| this.parameterTypes = CharOperation.splitOn(PARAMETER_SEPARATOR, key, start, slash); |
| } |
| start = slash + 1; |
| slash = CharOperation.indexOf(SEPARATOR, key, start); |
| last = slash - 1; |
| |
| if (slash != start) { |
| this.parameterNames = CharOperation.splitOn(PARAMETER_SEPARATOR, key, start, slash); |
| } |
| |
| slash = slash + 3; |
| last = slash - 1; |
| |
| this.modifiers = key[last-1] + (key[last]<<16); |
| } else { |
| this.modifiers = ClassFileConstants.AccPublic; |
| } |
| } |
| |
| removeInternalFlags(); // remove internal flags |
| } |
| |
| @Override |
| public SearchPattern getBlankPattern() { |
| return new ConstructorDeclarationPattern(R_EXACT_MATCH | R_CASE_SENSITIVE); |
| } |
| @Override |
| public char[][] getIndexCategories() { |
| return DECL_CATEGORIES; |
| } |
| @Override |
| public boolean matchesDecodedKey(SearchPattern decodedPattern) { |
| ConstructorDeclarationPattern pattern = (ConstructorDeclarationPattern) decodedPattern; |
| |
| // only top level types |
| if ((pattern.extraFlags & ExtraFlags.IsMemberType) != 0) return false; |
| |
| // check package - exact match only |
| if (this.declaringPackageName != null && !CharOperation.equals(this.declaringPackageName, pattern.declaringPackageName, true)) |
| return false; |
| |
| return (this.parameterCount == pattern.parameterCount || this.parameterCount == -1 || this.varargs) |
| && matchesName(this.declaringSimpleName, pattern.declaringSimpleName); |
| } |
| private void removeInternalFlags() { |
| this.extraFlags = this.extraFlags & ~ExtraFlags.ParameterTypesStoredAsSignature; // ParameterTypesStoredAsSignature is an internal flags only used to decode key |
| } |
| } |