[pypy-commit] pypy default: implement debug_flush and debug_offset for the CLI backend; fixes test_debug_print_start_stop

[antocuni]

Author: Antonio Cuni <anto.cuni at gmail.com>
Branch: 
Changeset: r44530:2f018cf95032
Date: 2011-05-27 10:46 +0200
http://bitbucket.org/pypy/pypy/changeset/2f018cf95032/

Log:	implement debug_flush and debug_offset for the CLI backend; fixes
	test_debug_print_start_stop

diff --git a/pypy/translator/cli/opcodes.py b/pypy/translator/cli/opcodes.py
--- a/pypy/translator/cli/opcodes.py
+++ b/pypy/translator/cli/opcodes.py
@@ -84,6 +84,8 @@
     'debug_reraise_traceback':  Ignore,
     'debug_print_traceback':    Ignore,
     'debug_print':              [DebugPrint],
+    'debug_flush':              [PushAllArgs, 'call void [pypylib]pypy.runtime.DebugPrint::DEBUG_FLUSH()'],
+    'debug_offset':             [PushAllArgs, 'call int32 [pypylib]pypy.runtime.DebugPrint::DEBUG_OFFSET()'],
     'debug_start':              [PushAllArgs, 'call void [pypylib]pypy.runtime.DebugPrint::DEBUG_START(string)'],
     'debug_stop':               [PushAllArgs, 'call void [pypylib]pypy.runtime.DebugPrint::DEBUG_STOP(string)'],
     'have_debug_prints':        [PushAllArgs, 'call bool [pypylib]pypy.runtime.DebugPrint::HAVE_DEBUG_PRINTS()'],
diff --git a/pypy/translator/cli/src/debug.cs b/pypy/translator/cli/src/debug.cs
--- a/pypy/translator/cli/src/debug.cs
+++ b/pypy/translator/cli/src/debug.cs
@@ -38,6 +38,20 @@
             return false;
         }
 
+        public static void DEBUG_FLUSH()
+        {
+            if (debug_file != null)
+                debug_file.Flush();
+        }
+
+        public static int DEBUG_OFFSET()
+        {
+            StreamWriter sw = debug_file as StreamWriter;
+            if (sw == null)
+                return -1;
+            return (int)sw.BaseStream.Position; // XXX: the cast might be incorrect
+        }
+
         public static bool HAVE_DEBUG_PRINTS()
         {
             if ((have_debug_prints & 1) != 0) {