mbed I/F binding for mruby
Dependents: mruby_mbed_web mirb_mbed
mbed-mruby
How to use
Class
Diff: src/mrb_throw.h
- Revision:
- 0:158c61bb030f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/mrb_throw.h Wed Mar 25 17:36:16 2015 +0000 @@ -0,0 +1,42 @@ +/* +** mrb_throw.h - mruby exception throwing handler +** +** See Copyright Notice in mruby.h +*/ + +#ifndef MRB_THROW_H +#define MRB_THROW_H + +#ifdef MRB_ENABLE_CXX_EXCEPTION + +#define MRB_TRY(buf) do { try { +#define MRB_CATCH(buf) } catch(mrb_jmpbuf_impl e) { if (e != (buf)->impl) { throw e; } +#define MRB_END_EXC(buf) } } while(0) + +#define MRB_THROW(buf) throw((buf)->impl) +typedef mrb_int mrb_jmpbuf_impl; + +#else + +#include <setjmp.h> + +#define MRB_TRY(buf) do { if (setjmp((buf)->impl) == 0) { +#define MRB_CATCH(buf) } else { +#define MRB_END_EXC(buf) } } while(0) + +#define MRB_THROW(buf) longjmp((buf)->impl, 1); +#define mrb_jmpbuf_impl jmp_buf + +#endif + +struct mrb_jmpbuf { + mrb_jmpbuf_impl impl; + +#ifdef MRB_ENABLE_CXX_EXCEPTION + static mrb_int jmpbuf_id; + mrb_jmpbuf() : impl(jmpbuf_id++) {} +#endif +}; + +#endif /* MRB_THROW_H */ +