make addQuoted work on nimscript (#12717) [backport]

lib/system.nim

@@ -3827,11 +3827,6 @@ elif defined(JS):
   proc deallocShared(p: pointer) = discard
   proc reallocShared(p: pointer, newsize: Natural): pointer = discard
 
-  proc addInt*(result: var string; x: int64) =
-    result.add $x
-
-  proc addFloat*(result: var string; x: float) =
-    result.add $x
 
   when defined(JS) and not defined(nimscript):
     include "system/jssys"
@@ -3842,6 +3837,12 @@ elif defined(JS):
       if x < y: return -1
       return 1
 
+when defined(JS) or defined(nimscript):
+  proc addInt*(result: var string; x: int64) =
+    result.add $x
+
+  proc addFloat*(result: var string; x: float) =
+    result.add $x
 
 proc quit*(errormsg: string, errorcode = QuitFailure) {.noreturn.} =
   ## A shorthand for ``echo(errormsg); quit(errorcode)``.

tests/compilerapi/myscript.nim

@@ -1,7 +1,12 @@
 
 import exposed
 
+type NumberHolder = object
+  ival: int
+  fval: float
+
 echo "top level statements are executed!"
+echo NumberHolder(ival: 10, fval: 2.0)
 
 proc hostProgramRunsThis*(a, b: float): float =
   result = addFloats(a, b, 1.0)

tests/compilerapi/tcompilerapi.nim

@@ -1,5 +1,6 @@
 discard """
   output: '''top level statements are executed!
+(ival: 10, fval: 2.0)
 2.0
 my secret
 11