com.github._1c_syntax.bsl.languageserver.diagnostics.ThisObjectAssignDiagnostic Maven / Gradle / Ivy

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/*
 * 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.diagnostics.metadata.DiagnosticCompatibilityMode;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticMetadata;
import com.github._1c_syntax.bsl.languageserver.diagnostics.metadata.DiagnosticScope;
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.parser.BSLParser;
import com.github._1c_syntax.bsl.types.ModuleType;
import com.github._1c_syntax.utils.CaseInsensitivePattern;
import org.antlr.v4.runtime.tree.ParseTree;
import org.antlr.v4.runtime.tree.TerminalNode;

import java.util.regex.Pattern;

@DiagnosticMetadata(
  type = DiagnosticType.ERROR,
  severity = DiagnosticSeverity.BLOCKER,
  scope = DiagnosticScope.BSL,
  modules = {
    ModuleType.CommonModule,
    ModuleType.FormModule
  },
  minutesToFix = 1,
  compatibilityMode = DiagnosticCompatibilityMode.COMPATIBILITY_MODE_8_3_3,
  tags = {
    DiagnosticTag.ERROR
  }

)
public class ThisObjectAssignDiagnostic extends AbstractVisitorDiagnostic {

  private static final Pattern thisObjectPattern = CaseInsensitivePattern.compile(
    "(этотобъект|thisobject)"
  );

  @Override
  public ParseTree visitLValue(BSLParser.LValueContext ctx) {

    TerminalNode identifier = ctx.IDENTIFIER();

    if (identifier == null
      || ctx.acceptor() != null) {
      return ctx;
    }

    if (!thisObjectPattern.matcher(identifier.getText()).matches()) {
      return ctx;
    }

    diagnosticStorage.addDiagnostic(identifier);

    return ctx;
  }
}