com.github._1c_syntax.bsl.languageserver.diagnostics.DeletingCollectionItemDiagnostic 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.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.utils.Trees;
import com.github._1c_syntax.bsl.parser.BSLParser;
import com.github._1c_syntax.bsl.parser.BSLParser.CallStatementContext;
import com.github._1c_syntax.bsl.parser.BSLParser.MethodCallContext;
import com.github._1c_syntax.utils.CaseInsensitivePattern;
import org.antlr.v4.runtime.tree.ParseTree;
import java.util.Locale;
import java.util.function.Predicate;
import java.util.regex.Pattern;
@DiagnosticMetadata(
type = DiagnosticType.ERROR,
severity = DiagnosticSeverity.MAJOR,
minutesToFix = 5,
tags = {
DiagnosticTag.STANDARD,
DiagnosticTag.ERROR
}
)
public class DeletingCollectionItemDiagnostic extends AbstractVisitorDiagnostic {
private static final Pattern DELETE_CALL_PATTERN = CaseInsensitivePattern.compile(
"(удалить|delete)"
);
private static final Predicate MATCH_METHOD_CALL_DELETE
= e -> DELETE_CALL_PATTERN.matcher(e.methodName().getText()).matches();
private static boolean namesEqual(CallStatementContext callStatement, String collectionExpression) {
String callStatementText = callStatement.getText().toLowerCase(Locale.getDefault());
String prefix = collectionExpression.toLowerCase(Locale.getDefault())
+ "."
+ callStatement.accessCall().methodCall().methodName().getText().toLowerCase(Locale.getDefault())
+ "(";
return callStatementText.startsWith(prefix);
}
@Override
public ParseTree visitForEachStatement(BSLParser.ForEachStatementContext ctx) {
String collectionExpression = ctx.expression().getText();
Trees.findAllRuleNodes(ctx.codeBlock(), BSLParser.RULE_methodCall)
.stream()
.filter(MethodCallContext.class::isInstance)
.map(MethodCallContext.class::cast)
.filter(MATCH_METHOD_CALL_DELETE)
.map(node -> node.getParent().getParent())
.filter(CallStatementContext.class::isInstance)
.map(CallStatementContext.class::cast)
.filter(callStatement -> namesEqual(callStatement, collectionExpression))
.forEach(callStatement -> diagnosticStorage.addDiagnostic(
callStatement, info.getMessage(collectionExpression))
);
return super.visitForEachStatement(ctx);
}
}