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explicit macro to control use of _longjmp

This commit is contained in:
Roberto Ierusalimschy 2005-09-09 15:24:42 -03:00
parent 6dd3a73ca2
commit 7fbbf1adc6
1 changed files with 5 additions and 5 deletions
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10
luaconf.h
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@ -1,5 +1,5 @@
/*
** $Id: luaconf.h,v 1.63 2005/09/02 19:53:25 roberto Exp roberto $
** $Id: luaconf.h,v 1.64 2005/09/06 17:21:03 roberto Exp roberto $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/
@ -235,7 +235,7 @@
** CHANGE them if you want to improve this functionality (e.g., by using
** GNU readline and history facilities).
*/
#if !defined(LUA_ANSI) && defined(LUA_USE_READLINE)
#if defined(LUA_USE_READLINE)
#include <stdio.h>
#include <readline/readline.h>
#include <readline/history.h>
@ -554,8 +554,8 @@ union luai_Cast { double l_d; long l_l; };
** CHANGE them if you prefer to use longjmp/setjmp even with C++
** or if want/don't to use _longjmp/_setjmp instead of regular
** longjmp/setjmp. By default, Lua handles errors with exceptions when
** compiling as C++ code, with _longjmp/_setjmp when compiling as C code
** in some Unix systems, and with longjmp/setjmp otherwise.
** compiling as C++ code, with _longjmp/_setjmp when asked to use them,
** and with longjmp/setjmp otherwise.
*/
#if defined(__cplusplus)
/* C++ exceptions */
@ -564,7 +564,7 @@ union luai_Cast { double l_d; long l_l; };
{ if ((c)->status == 0) (c)->status = -1; }
#define luai_jmpbuf int /* dummy variable */
#elif !defined(LUA_ANSI) && (defined(__GLIBC__))
#elif defined(LUA_USE_ULONGJMP)
/* in Unix, try _longjmp/_setjmp (more efficient) */
#define LUAI_THROW(L,c) _longjmp((c)->b, 1)
#define LUAI_TRY(L,c,a) if (_setjmp((c)->b) == 0) { a }