source: EcnlProtoTool/trunk/mruby-1.2.0/include/mruby/throw.h@ 270

Last change on this file since 270 was 270, checked in by coas-nagasima, 7 years ago

mruby版ECNLプロトタイピング・ツールを追加
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File size: 832 bytes
Line 
1/*
2** mruby/throw.h - mruby exception throwing handler
3**
4** See Copyright Notice in mruby.h
5*/
6
7#ifndef MRB_THROW_H
8#define MRB_THROW_H
9
10#ifdef MRB_ENABLE_CXX_EXCEPTION
11
12#define MRB_TRY(buf) do { try {
13#define MRB_CATCH(buf) } catch(mrb_jmpbuf_impl e) { if (e != (buf)->impl) { throw e; }
14#define MRB_END_EXC(buf) } } while(0)
15
16#define MRB_THROW(buf) throw((buf)->impl)
17typedef mrb_int mrb_jmpbuf_impl;
18
19#else
20
21#include <setjmp.h>
22
23#define MRB_TRY(buf) do { if (setjmp((buf)->impl) == 0) {
24#define MRB_CATCH(buf) } else {
25#define MRB_END_EXC(buf) } } while(0)
26
27#define MRB_THROW(buf) longjmp((buf)->impl, 1);
28#define mrb_jmpbuf_impl jmp_buf
29
30#endif
31
32struct mrb_jmpbuf {
33 mrb_jmpbuf_impl impl;
34
35#ifdef MRB_ENABLE_CXX_EXCEPTION
36 static mrb_int jmpbuf_id;
37 mrb_jmpbuf() : impl(jmpbuf_id++) {}
38#endif
39};
40
41#endif /* MRB_THROW_H */
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