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Apply De Morgan's to simplify negations

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This commit is contained in:
Yoshi Askharoun
2025-07-24 22:59:49 -05:00
parent 6c679f7a0f
commit 0e71917f34
2 changed files with 14 additions and 3 deletions
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libs/UIX.DecompXml/Decompiler.Script.cs
+13 -2
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@@ -418,7 +418,9 @@ partial class Decompiler
goto defaultCase;
SyntaxKind notOperatorToken;
switch (binaryExpression.OperatorToken.Kind())
var operatorToken = binaryExpression.OperatorToken.Kind();
switch (operatorToken)
{
case SyntaxKind.EqualsEqualsToken:
notOperatorToken = SyntaxKind.ExclamationEqualsToken;
@@ -440,6 +442,15 @@ partial class Decompiler
notOperatorToken = SyntaxKind.LessThanToken;
break;
case SyntaxKind.AmpersandAmpersandToken:
case SyntaxKind.BarBarToken:
// Apply De Morgan's laws
notOperatorToken = operatorToken is SyntaxKind.AmpersandAmpersandToken
? SyntaxKind.LogicalOrExpression : SyntaxKind.LogicalAndExpression;
return BinaryExpression(notOperatorToken,
LogicalNotOf(binaryExpression.Left),
LogicalNotOf(binaryExpression.Right));
default:
goto defaultCase;
}
@@ -447,7 +458,7 @@ partial class Decompiler
return binaryExpression.WithOperatorToken(Token(notOperatorToken));
defaultCase:
return PrefixUnaryExpression(SyntaxKind.LogicalNotExpression, originalExpression);
return PrefixUnaryExpression(SyntaxKind.LogicalNotExpression, ParenthesizedExpression(originalExpression));
}
private static SyntaxKind OperationToSyntaxKind(OperationType operation)