Forbid ExtensionFunctionType on functional types without parameters

#KT-43527 Fixed
2022-01-11 16:42:35 +03:00
parent beb2957726
commit d0fa3eb1d3
14 changed files with 86 additions and 13 deletions
@@ -373,17 +373,21 @@ internal class DescriptorRendererImpl(

        append("(")

-        val parameterTypes = type.getValueParameterTypesFromFunctionType()
-        for ((index, typeProjection) in parameterTypes.withIndex()) {
-            if (index > 0) append(", ")
+        if (type.isBuiltinExtensionFunctionalType && type.arguments.size <= 1) {
+            append("???")
+        } else {
+            val parameterTypes = type.getValueParameterTypesFromFunctionType()
+            for ((index, typeProjection) in parameterTypes.withIndex()) {
+                if (index > 0) append(", ")

-            val name = if (parameterNamesInFunctionalTypes) typeProjection.type.extractParameterNameFromFunctionTypeArgument() else null
-            if (name != null) {
-                append(renderName(name, false))
-                append(": ")
+                val name = if (parameterNamesInFunctionalTypes) typeProjection.type.extractParameterNameFromFunctionTypeArgument() else null
+                if (name != null) {
+                    append(renderName(name, false))
+                    append(": ")
+                }
+
+                append(renderTypeProjection(typeProjection))
            }
-
-            append(renderTypeProjection(typeProjection))
        }

        append(") ").append(arrow()).append(" ")