preparations for Nimble NimScript integrations; minor cleanups

compiler/modules.nim

@@ -92,7 +92,6 @@ proc resetAllModulesHard* =
   magicsys.resetSysTypes()
   # XXX
   #gOwners = @[]
-  #rangeDestructorProc = nil
 
 proc checkDepMem(fileIdx: int32): TNeedRecompile =
   template markDirty =

compiler/nim.cfg

@@ -17,5 +17,4 @@ define:useStdoutAsStdmsg
 
 cs:partial
 #define:useNodeIds
-symbol:nimfix
 #gc:markAndSweep

compiler/scriptconfig.nim

@@ -25,7 +25,8 @@ proc listDirs(a: VmArgs, filter: set[PathComponent]) =
     if kind in filter: result.add path
   setResult(a, result)
 
-proc setupVM(module: PSym; scriptName: string): PEvalContext =
+proc setupVM*(module: PSym; scriptName: string): PEvalContext =
+  # For Nimble we need to export 'setupVM'.
   result = newCtx(module)
   result.mode = emRepl
   registerAdditionalOps(result)

compiler/vm.nim

@@ -1401,6 +1401,10 @@ proc evalExpr*(c: PCtx, n: PNode): PNode =
   assert c.code[start].opcode != opcEof
   result = execute(c, start)
 
+proc getGlobalValue*(c: PCtx; s: PSym): PNode =
+  internalAssert s.kind in {skLet, skVar} and sfGlobal in s.flags
+  result = c.globals.sons[s.position-1]
+
 include vmops
 
 # for now we share the 'globals' environment. XXX Coming soon: An API for