fix forward type issue, now "compiles" hello world but output c is br…

…oken

compiler/ccgtypes.nim

@@ -926,6 +926,7 @@ proc getTypeDescAux(m: BModule; origTyp: PType, check: var IntSet; kind: TypeDes
         let name = getTypeForward(m, et, hashType(et, m.config))
         result = wrapStar(name)
         m.typeCache[sig] = result
+        pushType(m, et)
     of tySequence:
       if optSeqDestructors in m.config.globalOptions:
         result = wrapStar(getTypeDescWeak(m, et, check, kind))

compiler/cgen.nim

@@ -1655,10 +1655,9 @@ proc getSomeInitName(m: BModule, suffix: string): Rope =
 proc getInitName(m: BModule): Rope =
   if sfMainModule in m.module.flags:
     # generate constant name for main module, for "easy" debugging.
-    result = rope(m.config.nimMainPrefix) & rope"NimMainModule"
+    result = cSymbol(rope(m.config.nimMainPrefix) & rope"NimMainModule")
   else:
     result = getSomeInitName(m, "Init000")
-  result = cSymbol(result)
 
 proc getDatInitName(m: BModule): Rope = getSomeInitName(m, "DatInit000")
 proc getHcrInitName(m: BModule): Rope = getSomeInitName(m, "HcrInit000")

compiler/condsyms.nim

@@ -173,3 +173,5 @@ proc initDefines*(symbols: StringTableRef) =
   defineSymbol("nimHasXorSet")
 
   defineSymbol("nimHasLegacyNoStrictDefs")
+  when defined(nimCompileToNifc):
+    defineSymbol("nifc")

lib/system.nim

@@ -1720,11 +1720,16 @@ when not defined(nimscript):
 when not declared(sysFatal):
   include "system/fatal"
 
+when defined(nifc):
+  {.pragma: tframe, compilerproc.}
+else:
+  {.pragma: tframe, importc, nodecl.}
+
 type
   PFrame* = ptr TFrame  ## Represents a runtime frame of the call stack;
                         ## part of the debugger API.
   # keep in sync with nimbase.h `struct TFrame_`
-  TFrame* {.importc, nodecl, final.} = object ## The frame itself.
+  TFrame* {.tframe, final.} = object ## The frame itself.
     prev*: PFrame       ## Previous frame; used for chaining the call stack.
     procname*: cstring  ## Name of the proc that is currently executing.
     line*: int          ## Line number of the proc that is currently executing.