com.github._1c_syntax.bsl.languageserver.diagnostics.EmptyStatementDiagnostic Maven / Gradle / Ivy
/*
* This file is a part of BSL Language Server.
*
* Copyright (c) 2018-2022
* Alexey Sosnoviy , Nikita Fedkin and contributors
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*
* BSL Language Server is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* BSL Language Server is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with BSL Language Server.
*/
package com.github._1c_syntax.bsl.languageserver.diagnostics;
import com.github._1c_syntax.bsl.languageserver.context.DocumentContext;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticMetadata;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticSeverity;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticTag;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticType;
import com.github._1c_syntax.bsl.languageserver.providers.CodeActionProvider;
import com.github._1c_syntax.bsl.languageserver.utils.Trees;
import com.github._1c_syntax.bsl.parser.BSLParser;
import org.antlr.v4.runtime.tree.ParseTree;
import org.eclipse.lsp4j.CodeAction;
import org.eclipse.lsp4j.CodeActionParams;
import org.eclipse.lsp4j.Diagnostic;
import org.eclipse.lsp4j.Position;
import org.eclipse.lsp4j.Range;
import org.eclipse.lsp4j.TextEdit;
import java.util.ArrayList;
import java.util.List;
@DiagnosticMetadata(
type = DiagnosticType.CODE_SMELL,
severity = DiagnosticSeverity.INFO,
minutesToFix = 1,
tags = {
DiagnosticTag.BADPRACTICE
}
)
public class EmptyStatementDiagnostic extends AbstractVisitorDiagnostic implements QuickFixProvider {
@Override
public ParseTree visitStatement(BSLParser.StatementContext ctx) {
if (ctx.getChildCount() == 1
&& ctx.SEMICOLON() != null
&& !Trees.treeContainsErrors(
Trees.getPreviousNode(
Trees.getRootParent(ctx),
ctx,
BSLParser.RULE_statement))) {
diagnosticStorage.addDiagnostic(ctx);
}
return super.visitStatement(ctx);
}
@Override
public List getQuickFixes(
List diagnostics,
CodeActionParams params,
DocumentContext documentContext
) {
List textEdits = new ArrayList<>();
diagnostics.forEach((Diagnostic diagnostic) -> {
Position diagnosticRangeEnd = diagnostic.getRange().getEnd();
Position diagnosticRangeNewEnd = new Position(
diagnosticRangeEnd.getLine(),
diagnosticRangeEnd.getCharacter() - 1
);
Range range = new Range(diagnosticRangeNewEnd, diagnosticRangeEnd);
TextEdit textEdit = new TextEdit(range, "");
textEdits.add(textEdit);
});
return CodeActionProvider.createCodeActions(
textEdits,
info.getResourceString("quickFixMessage"),
documentContext.getUri(),
diagnostics
);
}
}