// Copyright Brian Schott (Hackerpilot) 2014. // Distributed under the Boost Software License, Version 1.0. // (See accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) module analysis.del; import std.stdio; import dparse.ast; import dparse.lexer; import analysis.base; import dsymbol.scope_; /** * Checks for use of the deprecated 'delete' keyword */ class DeleteCheck : BaseAnalyzer { alias visit = BaseAnalyzer.visit; this(string fileName, const(Scope)* sc) { super(fileName, sc); } override void visit(const DeleteExpression d) { addErrorMessage(d.line, d.column, "dscanner.deprecated.delete_keyword", "Avoid using the 'delete' keyword."); d.accept(this); } } unittest { import analysis.config : StaticAnalysisConfig; import analysis.helpers : assertAnalyzerWarnings; StaticAnalysisConfig sac; sac.delete_check = true; assertAnalyzerWarnings(q{ void testDelete() { int[int] data = [1 : 2]; delete data[1]; // [warn]: Avoid using the 'delete' keyword. auto a = new Class(); delete a; // [warn]: Avoid using the 'delete' keyword. } }}, sac); stderr.writeln("Unittest for DeleteCheck passed."); }