| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.netbeans.modules.javascript2.prototypejs.model; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.regex.Pattern; |
| import org.netbeans.api.lexer.Token; |
| import org.netbeans.api.lexer.TokenHierarchy; |
| import org.netbeans.api.lexer.TokenSequence; |
| import org.netbeans.modules.javascript2.lexer.api.JsTokenId; |
| import org.netbeans.modules.javascript2.lexer.api.LexUtilities; |
| import org.netbeans.modules.javascript2.types.api.DeclarationScope; |
| import org.netbeans.modules.javascript2.types.api.Identifier; |
| import org.netbeans.modules.javascript2.model.api.JsFunction; |
| import org.netbeans.modules.javascript2.model.api.JsObject; |
| import org.netbeans.modules.javascript2.model.api.Occurrence; |
| import org.netbeans.modules.javascript2.types.api.TypeUsage; |
| import org.netbeans.modules.javascript2.model.spi.FunctionArgument; |
| import org.netbeans.modules.javascript2.model.spi.FunctionInterceptor; |
| import org.netbeans.modules.javascript2.model.spi.ModelElementFactory; |
| import org.netbeans.modules.parsing.api.Snapshot; |
| import org.netbeans.modules.parsing.api.Source; |
| import org.openide.filesystems.FileObject; |
| |
| /** |
| * |
| * @author Petr Pisl |
| */ |
| @FunctionInterceptor.Registration(priority = 360) |
| public class CreateInterceptor implements FunctionInterceptor { |
| |
| private static final Pattern PATTERN = Pattern.compile("Class\\.create"); //NOI18N |
| private static final String CLASS = "Class"; //NOI18N |
| private static final String INITIALIZE_METHOD_NAME = "initialize"; //NOI18N |
| |
| @Override |
| public Pattern getNamePattern() { |
| return PATTERN; |
| } |
| |
| @Override |
| public Collection<TypeUsage> intercept(Snapshot snapshot, String name, JsObject globalObject, DeclarationScope scope, ModelElementFactory factory, Collection<FunctionArgument> args) { |
| FunctionArgument fArg = null; |
| for (FunctionArgument farg : args) { |
| if (farg.getKind() == FunctionArgument.Kind.ANONYMOUS_OBJECT) { |
| fArg = farg; |
| break; |
| } |
| } |
| if (fArg != null && fArg.getValue() instanceof JsObject) { |
| JsObject configObject = (JsObject) fArg.getValue(); |
| String objectName = findTheName(configObject); |
| if (objectName != null && !objectName.isEmpty()) { |
| JsObject newObject = ((JsObject) scope).getProperty(objectName); |
| if (newObject != null) { |
| JsObject constructor = configObject.getProperty(INITIALIZE_METHOD_NAME); |
| if (constructor != null && constructor instanceof JsFunction) { |
| // we need to replace the original object with this constructor |
| List<Identifier> paramNames = new ArrayList<>(); |
| for (JsObject param : ((JsFunction) constructor).getParameters()) { |
| paramNames.add(param.getDeclarationName()); |
| } |
| JsObject newConstructor = factory.newFunction(scope, newObject.getParent(), newObject.getDeclarationName(), paramNames, constructor.getOffsetRange()); |
| for (JsObject param : ((JsFunction) constructor).getParameters()) { |
| JsObject newParam = ((JsFunction)newConstructor).getParameter(param.getName()); |
| // add assignments to know the types from js doc |
| for (TypeUsage type : param.getAssignments()) { |
| newParam.addAssignment(type, type.getOffset()); |
| } |
| // coppy occurrences |
| for (Occurrence occurrence : param.getOccurrences()) { |
| newParam.addOccurrence(occurrence.getOffsetRange()); |
| } |
| } |
| for (JsObject property : constructor.getProperties().values()) { |
| String propertyName = property.getName(); |
| JsObject reference = factory.newReference(newConstructor, propertyName, property.getOffsetRange(), property, property.isDeprecated(), property.getModifiers()); |
| newConstructor.addProperty(propertyName, reference); |
| if (newObject.getProperty(propertyName) != null) { |
| for (Occurrence occurrence : newObject.getProperty(propertyName).getOccurrences()) { |
| reference.addOccurrence(occurrence.getOffsetRange()); |
| } |
| } |
| } |
| newObject.getParent().addProperty(objectName, newConstructor); |
| // copy all occurrences |
| for (Occurrence occurrence : newObject.getOccurrences()) { |
| newConstructor.addOccurrence(occurrence.getOffsetRange()); |
| } |
| newObject = newConstructor; |
| } |
| for (JsObject property : configObject.getProperties().values()) { |
| String propertyName = property.getName(); |
| if (!INITIALIZE_METHOD_NAME.equals(propertyName)) { |
| JsObject reference = factory.newReference(newObject, propertyName, property.getDeclarationName().getOffsetRange(), property, true, property.getModifiers()); |
| newObject.addProperty(propertyName, reference); |
| } |
| } |
| } |
| } |
| } |
| return Collections.emptyList(); |
| } |
| |
| private String findTheName(JsObject configObject) { |
| String name = null; |
| FileObject fo = configObject.getFileObject(); |
| Source source = Source.create(fo); |
| TokenHierarchy<?> th = source.createSnapshot().getTokenHierarchy(); |
| if (th == null) { |
| return null; |
| } |
| TokenSequence<? extends JsTokenId> ts = LexUtilities.getJsTokenSequence(th, configObject.getOffset()); |
| Token<? extends JsTokenId> token; |
| if (ts == null) { |
| return null; |
| } |
| ts.move(configObject.getOffset()); |
| if (!ts.moveNext()) { |
| return null; |
| } |
| token = LexUtilities.findPreviousToken(ts, Arrays.asList(JsTokenId.IDENTIFIER)); |
| while (!(token.id() == JsTokenId.IDENTIFIER && CLASS.equals(token.text().toString())) && ts.movePrevious()) { |
| token = ts.token(); |
| } |
| |
| if (token.id() == JsTokenId.IDENTIFIER && CLASS.equals(token.text().toString()) && ts.movePrevious()) { |
| // we are at ^Class.create(...) |
| // now we need to find = and the identifier after = |
| List<JsTokenId> skipTokens = Arrays.asList(JsTokenId.WHITESPACE, JsTokenId.EOL, JsTokenId.BLOCK_COMMENT, JsTokenId.LINE_COMMENT); |
| token = LexUtilities.findPrevious(ts, skipTokens); |
| if (token.id() == JsTokenId.OPERATOR_ASSIGNMENT && ts.movePrevious()) { |
| token = LexUtilities.findPrevious(ts, skipTokens); |
| if (token.id() == JsTokenId.IDENTIFIER) { |
| name = token.text().toString(); |
| } |
| } |
| |
| } |
| return name; |
| } |
| |
| } |