| /* |
| * 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.ClassNode; |
| import com.oracle.js.parser.ir.FunctionNode; |
| import com.oracle.js.parser.ir.IdentNode; |
| import com.oracle.js.parser.ir.LiteralNode; |
| import com.oracle.js.parser.ir.PropertyNode; |
| import com.oracle.js.parser.ir.UnaryNode; |
| import com.oracle.js.parser.ir.VarNode; |
| import java.util.Arrays; |
| 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.ECMA6; |
| import static org.netbeans.modules.javascript2.editor.hints.EcmaLevelRule.ecmaEditionProjectBelow; |
| 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.netbeans.modules.parsing.api.Snapshot; |
| import org.openide.util.NbBundle; |
| |
| public class Ecma6Rule extends EcmaLevelRule { |
| |
| private static final List<JsTokenId> ECMA6LIST = Arrays.asList( |
| JsTokenId.TEMPLATE_BEGIN, |
| JsTokenId.TEMPLATE, |
| JsTokenId.TEMPLATE_END, |
| JsTokenId.TEMPLATE_EXP_BEGIN, |
| JsTokenId.TEMPLATE_EXP_END, |
| JsTokenId.KEYWORD_EXPORT, |
| JsTokenId.KEYWORD_IMPORT |
| ); |
| |
| @Override |
| void computeHints(JsHintsProvider.JsRuleContext context, List<Hint> hints, int offset, HintsProvider.HintsManager manager) throws BadLocationException { |
| if (ecmaEditionProjectBelow(context, ECMA6)) { |
| Snapshot snapshot = context.getJsParserResult().getSnapshot(); |
| TokenSequence<? extends JsTokenId> ts = LexUtilities.getJsTokenSequence(snapshot, context.lexOffset); |
| OffsetRange returnOffsetRange; |
| if (ts != null) { |
| while (ts.moveNext()) { |
| org.netbeans.api.lexer.Token<? extends JsTokenId> token = LexUtilities.findNextIncluding(ts, ECMA6LIST); |
| if (token != null && token.length() >= 1 && ECMA6LIST.contains(token.id())) { |
| returnOffsetRange = new OffsetRange(ts.offset(), ts.offset() + token.length()); |
| addHint(context, hints, returnOffsetRange); |
| } |
| } |
| } |
| |
| Ecma6Visitor visitor = new Ecma6Visitor(); |
| 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.Ecma6Desc(), |
| context.getJsParserResult().getSnapshot().getSource().getFileObject(), |
| range, Collections.singletonList( |
| new SwitchToEcmaXFix(context.getJsParserResult().getSnapshot(), ECMA6)), 600)); |
| } |
| |
| @Override |
| public Set<?> getKinds() { |
| return Collections.singleton(JsAstRule.JS_OTHER_HINTS); |
| } |
| |
| @Override |
| public String getId() { |
| return "ecma6.hint"; |
| } |
| |
| @NbBundle.Messages("Ecma6Desc=ECMA6 feature used in pre-ECMA6 source") |
| @Override |
| public String getDescription() { |
| return Bundle.Ecma6Desc(); |
| } |
| |
| @NbBundle.Messages("Ecma6DisplayName=ECMA6 feature used") |
| @Override |
| public String getDisplayName() { |
| return Bundle.Ecma6DisplayName(); |
| } |
| |
| private class Ecma6Visitor 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.getKind() == FunctionNode.Kind.ARROW) { |
| addHint(context, hints, new OffsetRange(Token.descPosition(functionNode.getFirstToken()), functionNode.getFinish())); |
| } |
| if (functionNode.getKind() == FunctionNode.Kind.NORMAL) { |
| for (IdentNode param : functionNode.getParameters()) { |
| if (param.isDefaultParameter() || param.isRestParameter()) { |
| addHint(context, hints, new OffsetRange(param.getStart(), param.getFinish())); |
| } |
| } |
| } |
| return super.enterFunctionNode(functionNode); |
| } |
| |
| @Override |
| public boolean enterClassNode(ClassNode classNode) { |
| int headEnd = findToken(classNode.getStart(), JsTokenId.BRACKET_LEFT_CURLY); |
| addHint(context, hints, new OffsetRange(classNode.getStart(), headEnd)); |
| return super.enterClassNode(classNode); |
| } |
| |
| @Override |
| public boolean enterVarNode(VarNode varNode) { |
| long token = varNode.getToken(); |
| TokenType type = Token.descType(token); |
| |
| if (TokenType.LET == type || TokenType.CONST == type) { |
| addHint(context, hints, new OffsetRange(varNode.getStart(), varNode.getFinish())); |
| } |
| |
| return super.enterVarNode(varNode); |
| } |
| |
| @Override |
| public boolean enterLiteralNode(LiteralNode literalNode) { |
| if (literalNode instanceof LiteralNode.ArrayLiteralNode && ((LiteralNode.ArrayLiteralNode) literalNode).hasSpread()) { |
| addHint(context, hints, new OffsetRange(literalNode.getStart(), literalNode.getFinish())); |
| } |
| |
| return super.enterLiteralNode(literalNode); |
| } |
| |
| @Override |
| public boolean enterPropertyNode(PropertyNode propertyNode) { |
| if (propertyNode.isComputed()) { |
| addHint(context, hints, new OffsetRange(propertyNode.getStart(), propertyNode.getFinish())); |
| } |
| return super.enterPropertyNode(propertyNode); |
| } |
| |
| @Override |
| public boolean enterUnaryNode(UnaryNode unaryNode) { |
| if (unaryNode.isTokenType(TokenType.AWAIT) || unaryNode.isTokenType(TokenType.YIELD)) { |
| long token = unaryNode.getToken(); |
| int position = Token.descPosition(token); |
| addHint(context, hints, new OffsetRange(position, position + Token.descLength(token))); |
| } |
| return super.enterUnaryNode(unaryNode); |
| } |
| |
| private int findToken(int offset, JsTokenId tokenId) { |
| 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) { |
| while (ts.moveNext()) { |
| org.netbeans.api.lexer.Token<? extends JsTokenId> next = LexUtilities.findNextNonWsNonComment(ts); |
| if (next != null && next.id() == tokenId) { |
| org.netbeans.api.lexer.Token<? extends JsTokenId> prev = LexUtilities.findPrevious(ts, Arrays.asList(JsTokenId.WHITESPACE, JsTokenId.EOL, JsTokenId.LINE_COMMENT, JsTokenId.BLOCK_COMMENT, JsTokenId.DOC_COMMENT, tokenId)); |
| if (prev != null) { |
| return ts.offset() + prev.length(); |
| } |
| } |
| } |
| |
| } |
| } |
| return -1; |
| } |
| } |
| } |
