8000 C++-backend: use a comparer when sorting in IncludeResolver (beta-3.0) by mortend · Pull Request #461 · fuse-open/uno · GitHub
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C++-backend: use a comparer when sorting in IncludeResolver (beta-3.0) #461

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Merged
merged 1 commit into from
Apr 4, 2023
Merged

C++-backend: use a comparer when sorting in IncludeResolver (beta-3.0) #461

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22 changes: 22 additions & 0 deletions src/compiler/backend/cpp/DeclarationComparer.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
using System.Collections.Generic;

namespace Uno.Compiler.Backends.CPlusPlus
{
/** A comparer that makes strings starting with '#' come out first. */
public class DeclarationComparer : IComparer<string>
{
public static readonly DeclarationComparer Singleton = new DeclarationComparer();

public int Compare(string x, string y)
{
var xIsDirective = x.Length > 0 && x[0] == '#';
var yIsDirective = y.Length > 0 && y[0] == '#';

return xIsDirective && !yIsDirective
? -1
: !xIsDirective && yIsDirective
? 1
: x.CompareTo(y);
}
}
}
8 changes: 4 additions & 4 deletions src/compiler/backend/cpp/IncludeResolver.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ public string[] GetIncludes(Function f)
includes.Add(_backend.GetIncludeFilename(t));

var result = includes.ToArray();
Array.Sort(result);
Array.Sort(result, DeclarationComparer.Singleton);
return result;
}

Expand Down Expand Up @@ -141,9 +141,9 @@ public Declarations GetDeclarations(DataType dt, CppType type)
Inline = inlineDeclarations,
};

Array.Sort(result.Header);
Array.Sort(result.Source);
Array.Sort(result.Inline);
Array.Sort(result.Header, DeclarationComparer.Singleton);
Array.Sort(result.Source, DeclarationComparer.Singleton);
Array.Sort(result.Inline, DeclarationComparer.Singleton);
return result;
}

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0