llvm/test/Bindings/OCaml/diagnostic_handler.ml
Jeroen Ketema 828014932b [OCaml] Expose the LLVM diagnostic handler
Differential Revision: http://reviews.llvm.org/D18891


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265897 91177308-0d34-0410-b5e6-96231b3b80d8
2016-04-10 13:55:53 +00:00

49 lines
1.4 KiB
OCaml

(* RUN: cp %s %T/diagnostic_handler.ml
* RUN: %ocamlc -g -w +A -package llvm.bitreader -linkpkg %T/diagnostic_handler.ml -o %t
* RUN: %t %t.bc | FileCheck %s
* RUN: %ocamlopt -g -w +A -package llvm.bitreader -linkpkg %T/diagnostic_handler.ml -o %t
* RUN: %t %t.bc | FileCheck %s
* XFAIL: vg_leak
*)
let context = Llvm.global_context ()
let diagnostic_handler d =
Printf.printf
"Diagnostic handler called: %s\n" (Llvm.Diagnostic.description d);
match Llvm.Diagnostic.severity d with
| Error -> Printf.printf "Diagnostic severity is Error\n"
| Warning -> Printf.printf "Diagnostic severity is Warning\n"
| Remark -> Printf.printf "Diagnostic severity is Remark\n"
| Note -> Printf.printf "Diagnostic severity is Note\n"
let test x = if not x then exit 1 else ()
let _ =
Llvm.set_diagnostic_handler context (Some diagnostic_handler);
(* corrupt the bitcode *)
let fn = Sys.argv.(1) ^ ".txt" in
begin let oc = open_out fn in
output_string oc "not a bitcode file\n";
close_out oc
end;
test begin
try
let mb = Llvm.MemoryBuffer.of_file fn in
let m = begin try
(* CHECK: Diagnostic handler called: Invalid bitcode signature
* CHECK: Diagnostic severity is Error
*)
Llvm_bitreader.get_module context mb
with x ->
Llvm.MemoryBuffer.dispose mb;
raise x
end in
Llvm.dispose_module m;
false
with Llvm_bitreader.Error _ ->
true
end