File: Test156.ML

package info (click to toggle)
polyml 5.6-8
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 31,892 kB
  • ctags: 34,453
  • sloc: cpp: 44,983; ansic: 24,520; asm: 14,850; sh: 11,730; makefile: 551; exp: 484; python: 253; awk: 91; sed: 9
file content (18 lines) | stat: -rw-r--r-- 598 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
(* Functions with free variables were turned into stack closures but these
   could not be called tail-recursively.
   This code sets the maximum stack to detect the problem early on but
   with large enough examples this can exhaust the memory. *)

PolyML.Compiler.maxInlineSize := 1;

fun f x =
let
   fun g y = if y = 0 then 0 else f (x-1) 
in
   g x
end;

Thread.Thread.setAttributes[Thread.Thread.MaximumMLStack (SOME 3000)];

f 10000000 handle exn => (Thread.Thread.setAttributes[Thread.Thread.MaximumMLStack NONE]; raise exn);
Thread.Thread.setAttributes[Thread.Thread.MaximumMLStack NONE];