Revision: 5139
Author: [email protected]
Date: Tue Jul 27 07:23:04 2010
Log: Backport http://code.google.com/p/v8/source/detail?r=5131 to 2.2.
Review URL: http://codereview.chromium.org/3074004
http://code.google.com/p/v8/source/detail?r=5139

Modified:
 /branches/2.2/src/runtime.cc
 /branches/2.2/src/version.cc
 /branches/2.2/test/mjsunit/debug-setbreakpoint.js

=======================================
--- /branches/2.2/src/runtime.cc        Tue Jul 13 13:58:03 2010
+++ /branches/2.2/src/runtime.cc        Tue Jul 27 07:23:04 2010
@@ -9344,6 +9344,13 @@
     }
     Debug::SetBreakPoint(shared, break_point_object_arg, &position);
     position += shared->start_position();
+
+    // The result position may become beyond script source end.
+    // This is expected when the function is toplevel. This may become
+ // a problem later when actual position gets converted into line/column.
+    if (shared->is_toplevel() && position == shared->end_position()) {
+      position = shared->end_position() - 1;
+    }
     return Smi::FromInt(position);
   }
   return  Heap::undefined_value();
=======================================
--- /branches/2.2/src/version.cc        Fri Jul 23 05:48:36 2010
+++ /branches/2.2/src/version.cc        Tue Jul 27 07:23:04 2010
@@ -35,7 +35,7 @@
 #define MAJOR_VERSION     2
 #define MINOR_VERSION     2
 #define BUILD_NUMBER      24
-#define PATCH_LEVEL       4
+#define PATCH_LEVEL       5
 #define CANDIDATE_VERSION false

 // Define SONAME to have the SCons build the put a specific SONAME into the
=======================================
--- /branches/2.2/test/mjsunit/debug-setbreakpoint.js Wed Jun 30 02:09:34 2010 +++ /branches/2.2/test/mjsunit/debug-setbreakpoint.js Tue Jul 27 07:23:04 2010
@@ -192,3 +192,26 @@
 sourceUrlFunc();

assertTrue(breakListenerCalled, "Break listener not called on breakpoint set by sourceURL");
+
+
+// Breakpoint in a script with no statements test case. If breakpoint is set +// to the script body, its actual position is taken from the nearest statement
+// below or like in this case is reset to the very end of the script.
+// Unless some precautions made, this position becomes out-of-range and
+// we get an exception.
+
+// Gets a script of 'i1' function and sets the breakpoint at line #4 which
+// should be empty.
+function SetBreakpointInI1Script() {
+  var i_script = Debug.findScript(i1);
+  assertTrue(!!i_script, "invalid script for i1");
+  Debug.setScriptBreakPoint(Debug.ScriptBreakPointType.ScriptId,
+                            i_script.id, 4);
+}
+
+// Creates the eval script and tries to set the breakpoint.
+// The tricky part is that the script function must be strongly reachable at the +// moment. Since there's no way of simply getting the pointer to the function,
+// we run this code while the script function is being activated on stack.
+eval('SetBreakpointInI1Script()\nfunction i1(){}\n\n\n\nfunction i2(){}\n');
+

--
v8-dev mailing list
[email protected]
http://groups.google.com/group/v8-dev

Reply via email to