Merge pull request #2712 from nanoant/patch/macros-introduce-typenode-for-typedesc

Macros: Introduce typeNode(t: typedesc): NimNode

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/core/macros.nim b/lib/core/macros.nim
index 35f0f61c1..7e6e4ccc9 100644
--- a/lib/core/macros.nim
+++ b/lib/core/macros.nim
@@ -177,6 +177,12 @@ proc getType*(n: NimNode): NimNode {.magic: "NGetType", noSideEffect.}
   ## resolve recursive types, you have to call 'getType' again. To see what
   ## kind of type it is, call `typeKind` on getType's result.
 
+proc getType*(n: typedesc): NimNode {.magic: "NGetType", noSideEffect.}
+  ## Returns the Nim type node for given type. This can be used to turn macro
+  ## typedesc parameter into proper NimNode representing type, since typedesc
+  ## are an exception in macro calls - they are not mapped implicitly to
+  ## NimNode like any other arguments.
+
 proc typeKind*(n: NimNode): NimTypeKind {.magic: "NGetType", noSideEffect.}
   ## Returns the type kind of the node 'n' that should represent a type, that
   ## means the node should have been obtained via `getType`.