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feat: Support auto completion in dependencies closure (#970)
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142 changes: 142 additions & 0 deletions
142
gradle-language-server/src/main/java/com/microsoft/gradle/compile/CompletionVisitor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2021 Microsoft Corporation and others. | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License v1.0 | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| * | ||
| * Contributors: | ||
| * Microsoft Corporation - initial API and implementation | ||
| *******************************************************************************/ | ||
| package com.microsoft.gradle.compile; | ||
|
|
||
| import java.net.URI; | ||
| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| import com.microsoft.gradle.utils.LSPUtils; | ||
|
|
||
| import org.codehaus.groovy.ast.ClassCodeVisitorSupport; | ||
| import org.codehaus.groovy.ast.ModuleNode; | ||
| import org.codehaus.groovy.ast.expr.ArgumentListExpression; | ||
| import org.codehaus.groovy.ast.expr.ClosureExpression; | ||
| import org.codehaus.groovy.ast.expr.ConstantExpression; | ||
| import org.codehaus.groovy.ast.expr.Expression; | ||
| import org.codehaus.groovy.ast.expr.GStringExpression; | ||
| import org.codehaus.groovy.ast.expr.MethodCallExpression; | ||
| import org.codehaus.groovy.ast.stmt.BlockStatement; | ||
| import org.codehaus.groovy.ast.stmt.ExpressionStatement; | ||
| import org.codehaus.groovy.ast.stmt.Statement; | ||
| import org.codehaus.groovy.control.SourceUnit; | ||
| import org.eclipse.lsp4j.Range; | ||
|
|
||
| public class CompletionVisitor extends ClassCodeVisitorSupport { | ||
|
|
||
| public class DependencyItem { | ||
| private String text; | ||
| private Range range; | ||
|
|
||
| public DependencyItem(String text, Range range) { | ||
| this.text = text; | ||
| this.range = range; | ||
| } | ||
|
|
||
| public String getText() { | ||
| return this.text; | ||
| } | ||
|
|
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| public Range getRange() { | ||
| return this.range; | ||
| } | ||
| } | ||
|
|
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| private URI currentUri; | ||
| private Map<URI, List<DependencyItem>> dependencies = new HashMap<>(); | ||
|
|
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| public List<DependencyItem> getDependencies(URI uri) { | ||
| return this.dependencies.get(uri); | ||
| } | ||
|
|
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| public void visitCompilationUnit(URI uri, GradleCompilationUnit compilationUnit) { | ||
| this.currentUri = uri; | ||
| compilationUnit.iterator().forEachRemaining(unit -> visitSourceUnit(uri, unit)); | ||
| } | ||
|
|
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| public void visitSourceUnit(URI uri, SourceUnit unit) { | ||
| ModuleNode moduleNode = unit.getAST(); | ||
| if (moduleNode != null) { | ||
| this.dependencies.put(uri, new ArrayList<>()); | ||
| visitModule(moduleNode); | ||
| } | ||
| } | ||
|
|
||
| public void visitModule(ModuleNode node) { | ||
| node.getClasses().forEach(classNode -> { | ||
| super.visitClass(classNode); | ||
| }); | ||
| } | ||
|
|
||
| @Override | ||
| public void visitMethodCallExpression(MethodCallExpression node) { | ||
| if (node.getMethodAsString().equals("dependencies")) { | ||
| this.dependencies.put(currentUri, getDependencies(node)); | ||
| } | ||
| super.visitMethodCallExpression(node); | ||
| } | ||
|
|
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| private List<DependencyItem> getDependencies(MethodCallExpression expression) { | ||
| Expression argument = expression.getArguments(); | ||
| if (argument instanceof ArgumentListExpression) { | ||
| return getDependencies((ArgumentListExpression) argument); | ||
| } | ||
| return Collections.emptyList(); | ||
| } | ||
|
|
||
| private List<DependencyItem> getDependencies(ArgumentListExpression argumentListExpression) { | ||
| List<Expression> expressions = argumentListExpression.getExpressions(); | ||
| List<DependencyItem> symbols = new ArrayList<>(); | ||
| for (Expression expression : expressions) { | ||
| if (expression instanceof ClosureExpression) { | ||
| symbols.addAll(getDependencies((ClosureExpression) expression)); | ||
| } else if (expression instanceof GStringExpression || expression instanceof ConstantExpression) { | ||
| // GStringExp: implementation "org.gradle:gradle-tooling-api:${gradleToolingApi}" | ||
| // ConstantExp: implementation "org.gradle:gradle-tooling-api:6.8.0" | ||
| symbols.add(new DependencyItem(expression.getText(), LSPUtils.toDependencyRange(expression))); | ||
| } else if (expression instanceof MethodCallExpression) { | ||
| symbols.addAll(getDependencies((MethodCallExpression) expression)); | ||
| } | ||
| } | ||
| return symbols; | ||
| } | ||
|
|
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| private List<DependencyItem> getDependencies(ClosureExpression expression) { | ||
| Statement code = expression.getCode(); | ||
| if (code instanceof BlockStatement) { | ||
| return getDependencies((BlockStatement) code); | ||
| } | ||
| return Collections.emptyList(); | ||
| } | ||
|
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| private List<DependencyItem> getDependencies(BlockStatement blockStatement) { | ||
| List<Statement> statements = blockStatement.getStatements(); | ||
| List<DependencyItem> results = new ArrayList<>(); | ||
| for (Statement statement : statements) { | ||
| if (statement instanceof ExpressionStatement) { | ||
| results.addAll(getDependencies((ExpressionStatement) statement)); | ||
| } | ||
| } | ||
| return results; | ||
| } | ||
|
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| private List<DependencyItem> getDependencies(ExpressionStatement expressionStatement) { | ||
| Expression expression = expressionStatement.getExpression(); | ||
| if (expression instanceof MethodCallExpression) { | ||
| return getDependencies((MethodCallExpression) expression); | ||
| } | ||
| return Collections.emptyList(); | ||
| } | ||
| } |
132 changes: 132 additions & 0 deletions
132
...guage-server/src/main/java/com/microsoft/gradle/handlers/DependencyCompletionHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2021 Microsoft Corporation and others. | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License v1.0 | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/legal/epl-v10.html | ||
| * | ||
| * Contributors: | ||
| * Microsoft Corporation - initial API and implementation | ||
| *******************************************************************************/ | ||
| package com.microsoft.gradle.handlers; | ||
|
|
||
| import java.io.InputStreamReader; | ||
| import java.net.URL; | ||
| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
|
|
||
| import com.google.gson.Gson; | ||
| import com.google.gson.JsonArray; | ||
| import com.google.gson.JsonElement; | ||
| import com.google.gson.JsonObject; | ||
| import com.microsoft.gradle.compile.CompletionVisitor.DependencyItem; | ||
| import com.microsoft.gradle.utils.LSPUtils; | ||
|
|
||
| import org.eclipse.lsp4j.CompletionItem; | ||
| import org.eclipse.lsp4j.CompletionItemKind; | ||
| import org.eclipse.lsp4j.Position; | ||
| import org.eclipse.lsp4j.Range; | ||
| import org.eclipse.lsp4j.TextEdit; | ||
| import org.eclipse.lsp4j.jsonrpc.messages.Either; | ||
|
|
||
| public class DependencyCompletionHandler { | ||
| private DependencyItem dependency; | ||
| private Position position; | ||
| private static String URL_BASIC_SEARCH = "https://search.maven.org/solrsearch/select?q="; | ||
|
|
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| private enum DependencyCompletionKind { | ||
| ID, VERSION | ||
| } | ||
|
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| public List<CompletionItem> getDependencyCompletionItems(DependencyItem dependency, Position position) { | ||
| this.dependency = dependency; | ||
| this.position = position; | ||
| String validText = LSPUtils.getStringBeforePosition(dependency.getText(), dependency.getRange(), position); | ||
| String[] validTexts = validText.split(":", -1); | ||
| switch (validTexts.length) { | ||
| case 1: | ||
| return getDependenciesForInCompleteGroup(validTexts[0]); | ||
| case 2: | ||
| return getDependenciesForInCompleteArtifact(validTexts[0]); | ||
| case 3: | ||
| return getDependenciesForVersion(validTexts[0], validTexts[1]); | ||
| default: | ||
| return Collections.emptyList(); | ||
| } | ||
| } | ||
|
|
||
| private List<CompletionItem> getDependenciesForInCompleteGroup(String group) { | ||
| if (group.length() < 3) { | ||
| return Collections.emptyList(); | ||
| } | ||
| StringBuilder builder = new StringBuilder(); | ||
| builder.append(URL_BASIC_SEARCH); | ||
| builder.append(group); | ||
| builder.append("&rows=50&wt=json"); | ||
| return getDependenciesFromRestAPI(builder.toString(), DependencyCompletionKind.ID); | ||
| } | ||
|
|
||
| private List<CompletionItem> getDependenciesForInCompleteArtifact(String group) { | ||
| if (group.length() < 3) { | ||
| return Collections.emptyList(); | ||
| } | ||
| StringBuilder builder = new StringBuilder(); | ||
| builder.append(URL_BASIC_SEARCH); | ||
| builder.append("g:%22"); | ||
| builder.append(group); | ||
| builder.append("%22&rows=50&wt=json"); | ||
| return getDependenciesFromRestAPI(builder.toString(), DependencyCompletionKind.ID); | ||
| } | ||
|
|
||
| private List<CompletionItem> getDependenciesForVersion(String group, String artifact) { | ||
| if (group.length() < 3 || artifact.length() < 3) { | ||
| return Collections.emptyList(); | ||
| } | ||
| StringBuilder builder = new StringBuilder(); | ||
| builder.append(URL_BASIC_SEARCH); | ||
| builder.append("g:%22"); | ||
| builder.append(group); | ||
| builder.append("%22+AND+a:%22"); | ||
| builder.append(artifact); | ||
| builder.append("%22&core=gav&rows=50&wt=json"); | ||
| return getDependenciesFromRestAPI(builder.toString(), DependencyCompletionKind.VERSION); | ||
| } | ||
|
|
||
| private List<CompletionItem> getDependenciesFromRestAPI(String url, DependencyCompletionKind kind) { | ||
| try (InputStreamReader reader = new InputStreamReader(new URL(url).openStream())) { | ||
| JsonObject jsonResult = new Gson().fromJson(reader, JsonObject.class); | ||
| JsonObject response = jsonResult.getAsJsonObject("response"); | ||
| JsonArray docs = response.getAsJsonArray("docs"); | ||
| List<CompletionItem> completions = new ArrayList<>(); | ||
| for (int i = 0; i < docs.size(); i++) { | ||
| JsonElement element = docs.get(i); | ||
| if (element instanceof JsonObject) { | ||
| CompletionItem completionItem = new CompletionItem(); | ||
| JsonElement labelContent = ((JsonObject) element).get("id"); | ||
| String label = labelContent.getAsJsonPrimitive().getAsString(); | ||
| TextEdit textEdit = new TextEdit(new Range(this.dependency.getRange().getStart(), this.position), label); | ||
| completionItem.setTextEdit(Either.forLeft(textEdit)); | ||
| if (kind == DependencyCompletionKind.ID) { | ||
| completionItem.setLabel(label); | ||
| completionItem.setTextEdit(Either.forLeft(textEdit)); | ||
| completionItem.setKind(CompletionItemKind.Module); | ||
| completionItem.setDetail("mavenCentral"); | ||
| } else { | ||
| String version = ((JsonObject) element).get("v").getAsJsonPrimitive().getAsString(); | ||
| completionItem.setLabel(version); | ||
| completionItem.setFilterText(label + ":" + version); | ||
| completionItem.setKind(CompletionItemKind.Text); | ||
| completionItem.setDetail("version"); | ||
| } | ||
| completionItem.setSortText(String.valueOf(i)); | ||
| completions.add(completionItem); | ||
| } | ||
| } | ||
| return completions; | ||
| } catch (Exception e) { | ||
| // TODO | ||
| } | ||
| return Collections.emptyList(); | ||
| } | ||
| } |
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