Fix varargs calls

examples/simple/src/simple.nimble

@@ -4,7 +4,7 @@ description   = "FPS Counter Sample"
 license       = "MIT"
 bin           = @["simple"]
 
-requires "https://github.com/pragmagic/godot-nim.git >= 0.2.2 & < 0.3.0"
+requires "https://github.com/pragmagic/godot-nim.git >= 0.2.3 & < 0.3.0"
 
 task make, "build":
   const archPostfix = when sizeof(int) == 8: "_64" else: "_32"

godot.nimble

@@ -1,4 +1,4 @@
-version = "0.2.2"
+version = "0.2.3"
 author = "Xored Software, Inc."
 description = "Godot Engine bindings"
 license = "MIT"

godot/apigen/apigen.nim

@@ -416,7 +416,7 @@ proc doGenerateMethod(tree: PNode, methodBindRegistry: var HashSet[string],
         raise newException(ValueError,
           "Non-standard type $# for varargs params of method $# of type $#" %
             [arg.typ, godotMethodName, typ.godotName])
-      if not isStandardType:
+      if not isStandardType and varargsName.isNil:
         if arg.typ == "string":
           argConversions.add(newNode(nkLetSection).addChain(
             newIdentDefs(ident("argToPassToGodot" & $idx), newEmptyNode(),
@@ -441,8 +441,9 @@ proc doGenerateMethod(tree: PNode, methodBindRegistry: var HashSet[string],
         argConversions.add(argLoop)
         argLoop.add(newInfix(ident("idx"), ident("<"), argLenNode)
         )
-        argLoop.add(argAsgn)
-        argLoop.add(newCommand(ident("inc"), ident("idx")))
+        argLoop.add(newNode(nkStmtList).addChain(
+          argAsgn,
+          newCommand(ident("inc"), ident("idx"))))
 
     let retName = if isVarargs: "callRet" else: "ptrCallRet"
     let theCall = newCall(

godot/core/godotcore.nim

@@ -24,7 +24,7 @@ proc ptrCall*(methodBind: ptr GodotMethodBind;
     importc: "godot_method_bind_ptrcall", header: "godot/gdnative.h".}
 proc call*(methodBind: ptr GodotMethodBind;
            instance: ptr GodotObject;
-           args: ptr array[MAX_ARG_COUNT, Variant]; argCount: cint;
+           args: var ptr array[MAX_ARG_COUNT, Variant]; argCount: cint;
            callError: var VariantCallError): Variant {.
     importc: "godot_method_bind_call", header: "godot/gdnative.h".}