40 lines
950 B
D
40 lines
950 B
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.numbers;
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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 NumberStyleCheck : 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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override void visit(Token t)
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{
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import std.algorithm;
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if (isNumberLiteral(t.type) && !t.text.startsWith("0x")
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&& ((t.text.startsWith("0b") && t.text.matchFirst(badBinaryRegex))
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|| t.text.matchFirst(badDecimalRegex)))
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{
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addErrorMessage(t.line, t.column,
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"Use underscores to improve number constant readability");
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}
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}
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auto badBinaryRegex = ctRegex!(`0b[01]{9,}`);
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auto badDecimalRegex = ctRegex!(`\d{5,}`);
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}
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