Commit 502a4dc8 authored by sof's avatar sof
Browse files

[project @ 2001-11-25 03:56:39 by sof]

extend the scope of the doNothing() macro; can now be used in Stg headers
parent 61120c8b
/* ----------------------------------------------------------------------------- /* -----------------------------------------------------------------------------
* $Id: Rts.h,v 1.14 2001/10/29 11:33:37 simonmar Exp $ * $Id: Rts.h,v 1.15 2001/11/25 03:56:39 sof Exp $
* *
* (c) The GHC Team, 1998-1999 * (c) The GHC Team, 1998-1999
* *
...@@ -94,14 +94,6 @@ extern "C" { ...@@ -94,14 +94,6 @@ extern "C" {
Useful macros and inline functions Useful macros and inline functions
-------------------------------------------------------------------------- */ -------------------------------------------------------------------------- */
/*
* Use this on the RHS of macros which expand to nothing
* to make sure that the macro can be used in a context which
* demands a non-empty statement.
*/
#define doNothing() do { } while (0)
#define stg_min(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _a : _b; }) #define stg_min(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _a : _b; })
#define stg_max(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _b : _a; }) #define stg_max(a,b) ({typeof(a) _a = (a), _b = (b); _a <= _b ? _b : _a; })
......
/* ----------------------------------------------------------------------------- /* -----------------------------------------------------------------------------
* $Id: Stg.h,v 1.40 2001/11/22 14:25:11 simonmar Exp $ * $Id: Stg.h,v 1.41 2001/11/25 03:56:39 sof Exp $
* *
* (c) The GHC Team, 1998-1999 * (c) The GHC Team, 1998-1999
* *
...@@ -103,6 +103,14 @@ void _stgAssert (char *, unsigned int); ...@@ -103,6 +103,14 @@ void _stgAssert (char *, unsigned int);
_stgAssert(__FILE__, __LINE__) _stgAssert(__FILE__, __LINE__)
#endif /* DEBUG */ #endif /* DEBUG */
/*
* Use this on the RHS of macros which expand to nothing
* to make sure that the macro can be used in a context which
* demands a non-empty statement.
*/
#define doNothing() do { } while (0)
/* ----------------------------------------------------------------------------- /* -----------------------------------------------------------------------------
Global type definitions Global type definitions
-------------------------------------------------------------------------- */ -------------------------------------------------------------------------- */
......
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