| /* |
| * 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.editor.hints; |
| |
| import com.oracle.js.parser.Token; |
| import com.oracle.js.parser.TokenType; |
| import com.oracle.js.parser.ir.BinaryNode; |
| import com.oracle.js.parser.ir.ClassNode; |
| import com.oracle.js.parser.ir.ExportNode; |
| import com.oracle.js.parser.ir.Expression; |
| import com.oracle.js.parser.ir.FunctionNode; |
| import com.oracle.js.parser.ir.IdentNode; |
| import com.oracle.js.parser.ir.PropertyNode; |
| import com.oracle.js.parser.ir.UnaryNode; |
| import com.oracle.js.parser.ir.VarNode; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| import javax.swing.text.BadLocationException; |
| import org.netbeans.api.lexer.TokenSequence; |
| import org.netbeans.modules.csl.api.Hint; |
| import org.netbeans.modules.csl.api.HintsProvider; |
| import org.netbeans.modules.csl.api.OffsetRange; |
| import static org.netbeans.modules.javascript2.editor.JsVersion.ECMA7; |
| import org.netbeans.modules.javascript2.lexer.api.JsTokenId; |
| import org.netbeans.modules.javascript2.lexer.api.LexUtilities; |
| import org.netbeans.modules.javascript2.model.api.ModelUtils; |
| import org.netbeans.modules.javascript2.model.spi.PathNodeVisitor; |
| import org.openide.util.NbBundle; |
| |
| public class Ecma7Rule extends EcmaLevelRule { |
| |
| @Override |
| void computeHints(JsHintsProvider.JsRuleContext context, List<Hint> hints, int offset, HintsProvider.HintsManager manager) throws BadLocationException { |
| if (ecmaEditionProjectBelow(context, ECMA7)) { |
| Ecma7Visitor visitor = new Ecma7Visitor(); |
| visitor.process(context, hints); |
| } |
| } |
| |
| private void addHint(JsHintsProvider.JsRuleContext context, List<Hint> hints, OffsetRange range) { |
| addDocumenHint(context, hints, ModelUtils.documentOffsetRange(context.getJsParserResult(), |
| range.getStart(), range.getEnd())); |
| } |
| |
| private void addDocumenHint(JsHintsProvider.JsRuleContext context, List<Hint> hints, OffsetRange range) { |
| hints.add(new Hint(this, Bundle.Ecma7Desc(), |
| context.getJsParserResult().getSnapshot().getSource().getFileObject(), |
| range, Collections.singletonList( |
| new SwitchToEcmaXFix(context.getJsParserResult().getSnapshot(), ECMA7)), 600)); |
| } |
| |
| @Override |
| public Set<?> getKinds() { |
| return Collections.singleton(JsAstRule.JS_OTHER_HINTS); |
| } |
| |
| @Override |
| public String getId() { |
| return "ecma7.hint"; |
| } |
| |
| @NbBundle.Messages("Ecma7Desc=ECMA7 feature used in pre-ECMA7 source") |
| @Override |
| public String getDescription() { |
| return Bundle.Ecma7Desc(); |
| } |
| |
| @NbBundle.Messages("Ecma7DisplayName=ECMA7 feature used") |
| @Override |
| public String getDisplayName() { |
| return Bundle.Ecma7DisplayName(); |
| } |
| |
| private class Ecma7Visitor extends PathNodeVisitor { |
| |
| private List<Hint> hints; |
| |
| private JsHintsProvider.JsRuleContext context; |
| |
| public void process(JsHintsProvider.JsRuleContext context, List<Hint> hints) { |
| this.hints = hints; |
| this.context = context; |
| FunctionNode root = context.getJsParserResult().getRoot(); |
| if (root != null) { |
| context.getJsParserResult().getRoot().accept(this); |
| } |
| } |
| |
| @Override |
| public boolean enterFunctionNode(FunctionNode functionNode) { |
| if (functionNode.isModule()) { |
| functionNode.visitExports(this); |
| } |
| if (functionNode.isAsync()) { |
| addHint(context, hints, new OffsetRange(Token.descPosition(functionNode.getFirstToken()), functionNode.getStart())); |
| } |
| List<IdentNode> params = functionNode.getParameters(); |
| if (params != null && !params.isEmpty()) { |
| IdentNode last = params.get(params.size() - 1); |
| checkTrailingComma(last.getFinish()); |
| } |
| return super.enterFunctionNode(functionNode); |
| } |
| |
| @Override |
| public boolean enterExportNode(ExportNode exportNode) { |
| // the complex export nodes are included in top level function body anyway |
| // so we do not want to to visit further |
| if (exportNode.isDefault()) { |
| return super.enterExportNode(exportNode); |
| } |
| return false; |
| } |
| |
| @Override |
| public boolean enterVarNode(VarNode varNode) { |
| if (varNode.isExport() || varNode.isDestructuring()) { |
| return false; |
| } |
| return super.enterVarNode(varNode); |
| } |
| |
| @Override |
| public boolean enterClassNode(ClassNode classNode) { |
| for (Expression decorator : classNode.getDecorators()) { |
| addHint(context, hints, new OffsetRange(decorator.getStart(), decorator.getFinish())); |
| } |
| return super.enterClassNode(classNode); |
| } |
| |
| @Override |
| public boolean enterPropertyNode(PropertyNode propertyNode) { |
| for (Expression decorator : propertyNode.getDecorators()) { |
| addHint(context, hints, new OffsetRange(decorator.getStart(), decorator.getFinish())); |
| } |
| Expression key = propertyNode.getKey(); |
| if (key.isTokenType(TokenType.SPREAD_OBJECT)) { |
| long token = key.getToken(); |
| int position = Token.descPosition(token); |
| addHint(context, hints, new OffsetRange(position, position + Token.descLength(token))); |
| key.accept(this); |
| return false; |
| } |
| return super.enterPropertyNode(propertyNode); |
| } |
| |
| @Override |
| public boolean enterBinaryNode(BinaryNode binaryNode) { |
| long token = binaryNode.getToken(); |
| TokenType type = Token.descType(token); |
| if (TokenType.ASSIGN_EXP == type || TokenType.EXP == type) { |
| int position = Token.descPosition(token); |
| addHint(context, hints, new OffsetRange(position, position + Token.descLength(token))); |
| } else if (TokenType.COMMARIGHT == type) { |
| Expression rhs = binaryNode.rhs(); |
| if (!rhs.isTokenType(TokenType.COMMARIGHT)) { |
| checkTrailingComma(rhs.getFinish()); |
| } |
| } |
| return super.enterBinaryNode(binaryNode); |
| } |
| |
| @Override |
| public boolean enterUnaryNode(UnaryNode unaryNode) { |
| if (unaryNode.isTokenType(TokenType.AWAIT)) { |
| long token = unaryNode.getToken(); |
| int position = Token.descPosition(token); |
| addHint(context, hints, new OffsetRange(position, position + Token.descLength(token))); |
| } |
| return super.enterUnaryNode(unaryNode); |
| } |
| |
| private void checkTrailingComma(int offset) { |
| int fileOffset = context.parserResult.getSnapshot().getOriginalOffset(offset); |
| if (fileOffset >= 0) { |
| TokenSequence<? extends JsTokenId> ts = LexUtilities.getPositionedSequence( |
| context.parserResult.getSnapshot(), offset, JsTokenId.javascriptLanguage()); |
| if (ts != null) { |
| org.netbeans.api.lexer.Token<? extends JsTokenId> next = LexUtilities.findNextNonWsNonComment(ts); |
| if (next != null && next.id() == JsTokenId.OPERATOR_COMMA) { |
| addDocumenHint(context, hints, new OffsetRange(ts.offset(), ts.offset() + next.length())); |
| } |
| } |
| } |
| } |
| } |
| } |