[Boost-commit] svn:boost r63568 - trunk/libs/asio/example/http/server4

Subject: [Boost-commit] svn:boost r63568 - trunk/libs/asio/example/http/server4
From: chris_at_[hidden]
Date: 2010-07-04 02:49:20

Author: chris_kohlhoff
Date: 2010-07-04 02:49:18 EDT (Sun, 04 Jul 2010)
New Revision: 63568
URL: http://svn.boost.org/trac/boost/changeset/63568

Log:
Fix coroutine macros to work with MSVC's edit-and-continue debug settings.

Text files modified: 
   trunk/libs/asio/example/http/server4/coroutine.hpp |    22 +++++++++++++++-------                  
   1 files changed, 15 insertions(+), 7 deletions(-)

Modified: trunk/libs/asio/example/http/server4/coroutine.hpp
==============================================================================
--- trunk/libs/asio/example/http/server4/coroutine.hpp	(original)
+++ trunk/libs/asio/example/http/server4/coroutine.hpp	2010-07-04 02:49:18 EDT (Sun, 04 Jul 2010)
@@ -50,11 +50,11 @@
     } \
     else case 0:
 
-#define CORO_YIELD \
-  for (_coro_value = __LINE__;;) \
+#define CORO_YIELD_IMPL(n) \
+  for (_coro_value = (n);;) \
     if (_coro_value == 0) \
     { \
-      case __LINE__: ; \
+      case (n): ; \
       break; \
     } \
     else \
@@ -67,13 +67,21 @@
               goto bail_out_of_coroutine; \
             else case 0:
 
-#define CORO_FORK \
-  for (_coro_value = -__LINE__;; _coro_value = __LINE__) \
-    if (_coro_value == __LINE__) \
+#define CORO_FORK_IMPL(n) \
+  for (_coro_value = -(n);; _coro_value = (n)) \
+    if (_coro_value == (n)) \
     { \
-      case -__LINE__: ; \
+      case -(n): ; \
       break; \
     } \
     else
 
+#if defined(_MSC_VER)
+# define CORO_YIELD CORO_YIELD_IMPL(__COUNTER__ + 1)
+# define CORO_FORK CORO_FORK_IMPL(__COUNTER__ + 1)
+#else // defined(_MSC_VER)
+# define CORO_YIELD CORO_YIELD_IMPL(__LINE__)
+# define CORO_FORK CORO_FORK_IMPL(__LINE__)
+#endif // defined(_MSC_VER)
+
 #endif // COROUTINE_HPP