Improve error message for undef ccall return type

Liozou · Oct 2, 2015 · ceb3b9d · ceb3b9d
1 parent 26b58c6
commit ceb3b9d
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/ccall.cpp b/src/ccall.cpp
@@ -998,6 +998,14 @@ static jl_cgval_t emit_ccall(jl_value_t **args, size_t nargs, jl_codectx_t *ctx)
  static_rt = true;
  }
  }
+ if (jl_exception_in_transit && jl_typeis(jl_exception_in_transit,
+ jl_undefvarerror_type)) {
+ std::string msg = "ccall return type undefined: " +
+ std::string(((jl_sym_t*)args[2])->name );
+ emit_error(msg.c_str(), ctx);
+ JL_GC_POP();
+ return jl_cgval_t();
+ }
  if (rt == NULL) {
  emit_error("error interpreting ccall return type", ctx);
  JL_GC_POP();