58 lines
1.5 KiB
D
58 lines
1.5 KiB
D
// Copyright Brian Schott (Hackerpilot) 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 dscanner.analysis.enumarrayliteral;
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import dparse.ast;
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import dparse.lexer;
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import dscanner.analysis.base;
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import std.algorithm : canFind, map;
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import dsymbol.scope_ : Scope;
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void doNothing(string, size_t, size_t, string, bool)
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{
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}
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final class EnumArrayLiteralCheck : BaseAnalyzer
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{
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alias visit = BaseAnalyzer.visit;
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mixin AnalyzerInfo!"enum_array_literal_check";
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this(string fileName, const(Scope)* sc, bool skipTests = false)
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{
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super(fileName, sc, skipTests);
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}
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bool looking;
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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 AutoDeclaration autoDec)
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{
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if (autoDec.storageClasses.canFind!(a => a.token == tok!"enum"))
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{
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foreach (part; autoDec.parts)
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{
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if (part.initializer is null)
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continue;
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if (part.initializer.nonVoidInitializer is null)
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continue;
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if (part.initializer.nonVoidInitializer.arrayInitializer is null)
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continue;
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addErrorMessage(part.identifier.line, part.identifier.column,
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"dscanner.performance.enum_array_literal",
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"This enum may lead to unnecessary allocation at run-time."
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~ " Use 'static immutable "
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~ part.identifier.text ~ " = [ ...' instead.");
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}
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}
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autoDec.accept(this);
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}
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}
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