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161
ide/languages.hcl/src/org/netbeans/modules/languages/hcl/HCLSemanticAnalyzer.java
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| /* | ||
| * 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.languages.hcl; | ||
|
|
||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
| import org.netbeans.modules.csl.api.ColoringAttributes; | ||
| import org.netbeans.modules.csl.api.OffsetRange; | ||
| import org.netbeans.modules.csl.api.SemanticAnalyzer; | ||
| import org.netbeans.modules.languages.hcl.ast.HCLAttribute; | ||
| import org.netbeans.modules.languages.hcl.ast.HCLBlock; | ||
| import org.netbeans.modules.languages.hcl.ast.HCLCollection; | ||
| import org.netbeans.modules.languages.hcl.ast.HCLDocument; | ||
| import org.netbeans.modules.languages.hcl.ast.HCLElement; | ||
| import org.netbeans.modules.languages.hcl.ast.HCLExpression; | ||
| import org.netbeans.modules.languages.hcl.ast.HCLFunction; | ||
| import org.netbeans.modules.languages.hcl.ast.HCLIdentifier; | ||
| import org.netbeans.modules.languages.hcl.ast.HCLVariable; | ||
| import org.netbeans.modules.parsing.spi.Scheduler; | ||
| import org.netbeans.modules.parsing.spi.SchedulerEvent; | ||
|
|
||
| /** | ||
| * | ||
| * @author lkishalmi | ||
| */ | ||
| public class HCLSemanticAnalyzer extends SemanticAnalyzer<HCLParserResult> { | ||
| private volatile boolean cancelled; | ||
| private Map<OffsetRange, Set<ColoringAttributes>> highlights = Collections.emptyMap(); | ||
|
|
||
| @Override | ||
| public Map<OffsetRange, Set<ColoringAttributes>> getHighlights() { | ||
| return highlights; | ||
| } | ||
|
|
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| protected final synchronized boolean isCancelled() { | ||
| return cancelled; | ||
| } | ||
|
|
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| protected final synchronized void resume() { | ||
| cancelled = false; | ||
| } | ||
|
|
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| @Override | ||
| public final void run(HCLParserResult result, SchedulerEvent event) { | ||
| resume(); | ||
|
|
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| Highlighter h = createHighlighter(result); | ||
| result.getDocument().accept(h); | ||
| highlights = h.work; | ||
| } | ||
|
|
||
| protected Highlighter createHighlighter(HCLParserResult result) { | ||
| return new DefaultHighlighter(result.getReferences()); | ||
| } | ||
|
|
||
| @Override | ||
| public int getPriority() { | ||
| return 0; | ||
| } | ||
|
|
||
| @Override | ||
| public Class<? extends Scheduler> getSchedulerClass() { | ||
| return Scheduler.EDITOR_SENSITIVE_TASK_SCHEDULER; | ||
| } | ||
|
|
||
| @Override | ||
| public void cancel() { | ||
| cancelled = true; | ||
| } | ||
|
|
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| protected abstract class Highlighter extends HCLElement.BAEVisitor { | ||
| protected final Map<OffsetRange, Set<ColoringAttributes>> work = new HashMap<>(); | ||
|
|
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| protected final SourceRef refs; | ||
| protected Highlighter(SourceRef refs) { | ||
| this.refs = refs; | ||
| } | ||
|
|
||
| @Override | ||
| public final boolean visit(HCLElement e) { | ||
| if (isCancelled()) { | ||
| return true; | ||
| } | ||
| return super.visit(e); | ||
| } | ||
|
|
||
| protected final void mark(HCLElement e, Set<ColoringAttributes> attrs) { | ||
| refs.getOffsetRange(e).ifPresent((range) -> work.put(range, attrs)); | ||
| } | ||
| } | ||
|
|
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| protected class DefaultHighlighter extends Highlighter { | ||
|
|
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| public DefaultHighlighter(SourceRef refs) { | ||
| super(refs); | ||
| } | ||
|
|
||
| @Override | ||
| protected boolean visitBlock(HCLBlock block) { | ||
| if (block.getParent() instanceof HCLDocument) { | ||
| List<HCLIdentifier> decl = block.getDeclaration(); | ||
| HCLIdentifier type = decl.get(0); | ||
|
|
||
| mark(type, ColoringAttributes.CLASS_SET); | ||
| if (decl.size() > 1) { | ||
| for (int i = 1; i < decl.size(); i++) { | ||
| HCLIdentifier id = decl.get(i); | ||
| mark(id, ColoringAttributes.CONSTRUCTOR_SET); | ||
| } | ||
| } | ||
| } else { | ||
| //TODO: Handle nested Blocks... | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| @Override | ||
| protected boolean visitAttribute(HCLAttribute attr) { | ||
| mark(attr.getName(), ColoringAttributes.FIELD_SET); | ||
| return false; | ||
| } | ||
|
|
||
| @Override | ||
| protected boolean visitExpression(HCLExpression expr) { | ||
| if (expr instanceof HCLFunction) { | ||
| HCLFunction func = (HCLFunction) expr; | ||
| mark(func.getName(), ColoringAttributes.CONSTRUCTOR_SET); | ||
| } | ||
|
|
||
| if (expr instanceof HCLCollection.Object) { | ||
| HCLCollection.Object obj = (HCLCollection.Object) expr; | ||
| for (HCLExpression key : obj.getKeys()) { | ||
| if (key instanceof HCLVariable) { | ||
| mark(key, ColoringAttributes.FIELD_SET); | ||
| } | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| } | ||
| } |
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