Merge pull request #644 from ds5678/fix-is-type-infinite-recursion

tannergooding · web-flow · commit 53dbe1148bb7 · 2025-11-10T19:23:48.000-08:00
Fix infinite recursion in IsType&lt;T&gt;
diff --git a/sources/ClangSharp.PInvokeGenerator/PInvokeGenerator.cs b/sources/ClangSharp.PInvokeGenerator/PInvokeGenerator.cs
@@ -5521,7 +5521,8 @@ private static bool IsType<T>(Cursor? cursor, Type type, [MaybeNullWhen(false)]
             }
             else if (templateSpecializationType.TemplateName.AsTemplateDecl is TemplateDecl templateDecl)
             {
-                if (templateDecl.TemplatedDecl is TypeDecl typeDecl)
+                // We exclude InjectedClassNameType here to avoid infinite recursion.
+                if ((templateDecl.TemplatedDecl is TypeDecl typeDecl) && (typeDecl.TypeForDecl is not InjectedClassNameType ))
                 {
                     return IsType(cursor, typeDecl.TypeForDecl, out value);
                 }

Original file line number	Diff line number	Diff line change
`@@ -5521,7 +5521,8 @@ private static bool IsType<T>(Cursor? cursor, Type type, [MaybeNullWhen(false)]`
`5521`	`5521`	`}`
`5522`	`5522`	`else if (templateSpecializationType.TemplateName.AsTemplateDecl is TemplateDecl templateDecl)`
`5523`	`5523`	`{`
`5524`		`- if (templateDecl.TemplatedDecl is TypeDecl typeDecl)`
	`5524`	`+ // We exclude InjectedClassNameType here to avoid infinite recursion.`
	`5525`	`+ if ((templateDecl.TemplatedDecl is TypeDecl typeDecl) && (typeDecl.TypeForDecl is not InjectedClassNameType ))`
`5525`	`5526`	`{`
`5526`	`5527`	`return IsType(cursor, typeDecl.TypeForDecl, out value);`
`5527`	`5528`	`}`