C#: Make synthetic ToString calls in string interpolation expressions.

michaelnebel · michaelnebel · commit 5f539c5515ed · 2025-01-14T17:13:50.000+01:00
diff --git a/csharp/extractor/Semmle.Extraction.CSharp/Entities/Expressions/InterpolatedString.cs b/csharp/extractor/Semmle.Extraction.CSharp/Entities/Expressions/InterpolatedString.cs
@@ -20,7 +20,7 @@ protected override void PopulateExpression(TextWriter trapFile)
                 {
                     case SyntaxKind.Interpolation:
                         var interpolation = (InterpolationSyntax)c;
-                        Create(Context, interpolation.Expression, this, child++);
+                        ImplicitToString.Create(Context, interpolation.Expression, this, child++);
                         break;
                     case SyntaxKind.InterpolatedStringText:
                         // Create a string literal

Original file line number	Diff line number	Diff line change
`@@ -20,7 +20,7 @@ protected override void PopulateExpression(TextWriter trapFile)`
`20`	`20`	`{`
`21`	`21`	`case SyntaxKind.Interpolation:`
`22`	`22`	`var interpolation = (InterpolationSyntax)c;`
`23`		`- Create(Context, interpolation.Expression, this, child++);`
	`23`	`+ ImplicitToString.Create(Context, interpolation.Expression, this, child++);`
`24`	`24`	`break;`
`25`	`25`	`case SyntaxKind.InterpolatedStringText:`
`26`	`26`	`// Create a string literal`