66 lines
1.7 KiB
D
66 lines
1.7 KiB
D
// Copyright Brian Schott (Sir Alaran) 2014.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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module analysis.objectconst;
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import std.regex;
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import stdx.d.ast;
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import stdx.d.lexer;
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import analysis.base;
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/**
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* Checks for use of the deprecated "delete" keyword
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*/
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class ObjectConstCheck : BaseAnalyzer
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{
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alias visit = BaseAnalyzer.visit;
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this(string fileName)
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{
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super(fileName);
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}
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mixin visitTemplate!ClassDeclaration;
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mixin visitTemplate!InterfaceDeclaration;
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mixin visitTemplate!UnionDeclaration;
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mixin visitTemplate!StructDeclaration;
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override void visit(const Declaration d)
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{
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if (inAggregate && d.functionDeclaration !is null
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&& isInteresting(d.functionDeclaration.name.text)
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&& (!hasConst(d.attributes)
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&& !hasConst(d.functionDeclaration.memberFunctionAttributes)))
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{
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addErrorMessage(d.functionDeclaration.name.line,
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d.functionDeclaration.name.column, "opCmp, ToHash, opEquals,"
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~ " and toString should be declared const");
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}
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d.accept(this);
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}
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private static bool hasConst(const Attribute[] attributes)
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{
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import std.algorithm;
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return attributes.any!(a => a.attribute == tok!"const"
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|| (a.storageClass !is null && a.storageClass.token == tok!"const"));
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}
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private static bool hasConst(const MemberFunctionAttribute[] attributes)
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{
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import std.algorithm;
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return attributes.any!(a => a.tokenType == tok!"const");
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}
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private static bool isInteresting(string name)
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{
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return name == "opCmp" || name == "toHash" || name == "opEquals"
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|| name == "toString";
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}
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private bool looking = false;
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}
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