64 lines
1.8 KiB
D
64 lines
1.8 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.fish;
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import std.stdio;
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import std.d.ast;
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import std.d.lexer;
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import analysis.base;
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import analysis.helpers;
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/**
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* Checks for use of the deprecated floating point comparison operators.
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*/
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class FloatOperatorCheck : 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(const RelExpression r)
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{
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if (r.operator == tok!"<>"
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|| r.operator == tok!"<>="
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|| r.operator == tok!"!<>"
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|| r.operator == tok!"!>"
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|| r.operator == tok!"!<"
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|| r.operator == tok!"!<>="
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|| r.operator == tok!"!>="
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|| r.operator == tok!"!<=")
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{
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addErrorMessage(r.line, r.column, "Avoid using the deprecated floating-point operators");
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}
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r.accept(this);
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}
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}
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unittest
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{
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shouldWarn(q{
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void testFish()
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{
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float z = 1.5f;
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bool a;
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a = z !<>= z; // [warn]: Avoid using the deprecated floating-point operators
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a = z !<> z; // [warn]: Avoid using the deprecated floating-point operators
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a = z <> z; // [warn]: Avoid using the deprecated floating-point operators
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a = z <>= z; // [warn]: Avoid using the deprecated floating-point operators
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a = z !> z; // [warn]: Avoid using the deprecated floating-point operators
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a = z !>= z; // [warn]: Avoid using the deprecated floating-point operators
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a = z !< z; // [warn]: Avoid using the deprecated floating-point operators
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a = z !<= z; // [warn]: Avoid using the deprecated floating-point operators
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}
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}c, analysis.run.AnalyzerCheck.float_operator_check);
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stderr.writeln("Unittest for FloatOperatorCheck passed.");
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}
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