Add inferred function name to the json protocol

test/mjsunit/debug-backtrace.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --expose-debug-as debug
 // The functions used for testing backtraces. They are at the top to make the
 // testing of source line/column easier.
 function f(x, y) {
   a=1;
 };
 
+var m = function() {
+  new f(1);
+};
+
 function g() {
-  new f(1);
+ m();
 };
 
 
 // Get the Debug object exposed from the debug context global object.
 Debug = debug.Debug
 
 listenerCalled = false;
 exception = false;
 
 
@@ skipping 36 matching lines @@
     var backtrace;
     var frame;
     var source;
     
     // Get the debug command processor.
     var dcp = exec_state.debugCommandProcessor();
 
     // Get the backtrace.
     var json;
     json = '{"seq":0,"type":"request","command":"backtrace"}'
-    response = new ParsedResponse(dcp.processDebugJSONRequest(json));
+    var resp = dcp.processDebugJSONRequest(json);
+    response = new ParsedResponse(resp);
     backtrace = response.body();
     assertEquals(0, backtrace.fromFrame);
-    assertEquals(3, backtrace.toFrame);
-    assertEquals(3, backtrace.totalFrames);
+    assertEquals(4, backtrace.toFrame);
+    assertEquals(4, backtrace.totalFrames);
     var frames = backtrace.frames;
-    assertEquals(3, frames.length);
+    assertEquals(4, frames.length);
     for (var i = 0; i < frames.length; i++) {
       assertEquals('frame', frames[i].type);
     }
     assertEquals(0, frames[0].index);
     assertEquals("f", response.lookup(frames[0].func.ref).name);
     assertEquals(1, frames[1].index);
-    assertEquals("g", response.lookup(frames[1].func.ref).name);
+    assertEquals("", response.lookup(frames[1].func.ref).name);
+    assertEquals("m", response.lookup(frames[1].func.ref).inferredName);
     assertEquals(2, frames[2].index);
-    assertEquals("", response.lookup(frames[2].func.ref).name);
+    assertEquals("g", response.lookup(frames[2].func.ref).name);
+    assertEquals(3, frames[3].index);
+    assertEquals("", response.lookup(frames[3].func.ref).name);
 
     // Get backtrace with two frames.
     json = '{"seq":0,"type":"request","command":"backtrace","arguments":{"fromFrame":1,"toFrame":3}}'
     response = new ParsedResponse(dcp.processDebugJSONRequest(json));
     backtrace = response.body();
     assertEquals(1, backtrace.fromFrame);
     assertEquals(3, backtrace.toFrame);
-    assertEquals(3, backtrace.totalFrames);
+    assertEquals(4, backtrace.totalFrames);
     var frames = backtrace.frames;
     assertEquals(2, frames.length);
     for (var i = 0; i < frames.length; i++) {
       assertEquals('frame', frames[i].type);
     }
     assertEquals(1, frames[0].index);
-    assertEquals("g", response.lookup(frames[0].func.ref).name);
+    assertEquals("", response.lookup(frames[0].func.ref).name);
+    assertEquals("m", response.lookup(frames[0].func.ref).inferredName);
     assertEquals(2, frames[1].index);
-    assertEquals("", response.lookup(frames[1].func.ref).name);
+    assertEquals("g", response.lookup(frames[1].func.ref).name);
 
     // Get the individual frames.
     json = '{"seq":0,"type":"request","command":"frame"}'
     response = new ParsedResponse(dcp.processDebugJSONRequest(json));
     frame = response.body();
     assertEquals(0, frame.index);
     assertEquals("f", response.lookup(frame.func.ref).name);
     assertTrue(frame.constructCall);
     assertEquals(31, frame.line);
     assertEquals(3, frame.column);
@@ skipping 15 matching lines @@
     assertEquals('x', frame.arguments[0].name);
     assertEquals('number', response.lookup(frame.arguments[0].value.ref).type);
     assertEquals(1, response.lookup(frame.arguments[0].value.ref).value);
     assertEquals('y', frame.arguments[1].name);
     assertEquals('undefined', response.lookup(frame.arguments[1].value.ref).type);
 
     json = '{"seq":0,"type":"request","command":"frame","arguments":{"number":1}}'
     response = new ParsedResponse(dcp.processDebugJSONRequest(json));
     frame = response.body();
     assertEquals(1, frame.index);
-    assertEquals("g", response.lookup(frame.func.ref).name);
+    assertEquals("", response.lookup(frame.func.ref).name);
+    assertEquals("m", response.lookup(frame.func.ref).inferredName);
     assertFalse(frame.constructCall);
     assertEquals(35, frame.line);
     assertEquals(2, frame.column);
     assertEquals(0, frame.arguments.length);
 
-    json = '{"seq":0,"type":"request","command":"frame","arguments":{"number":2}}'
+    json = '{"seq":0,"type":"request","command":"frame","arguments":{"number":3}}'
     response = new ParsedResponse(dcp.processDebugJSONRequest(json));
     frame = response.body();
-    assertEquals(2, frame.index);
+    assertEquals(3, frame.index);
     assertEquals("", response.lookup(frame.func.ref).name);
 
     // Source slices for the individual frames (they all refer to this script).
     json = '{"seq":0,"type":"request","command":"source",' +
             '"arguments":{"frame":0,"fromLine":30,"toLine":32}}'
     response = new ParsedResponse(dcp.processDebugJSONRequest(json));
     source = response.body();
     assertEquals("function f(x, y) {", source.source.substring(0, 18));
     assertEquals(30, source.fromLine);
     assertEquals(32, source.toLine);
@@ skipping 37 matching lines @@
 Debug.setListener(listener);
 
 // Set a break point and call to invoke the debug event listener.
 Debug.setBreakPoint(f, 0, 0);
 g();
 
 // Make sure that the debug event listener vas invoked.
 assertFalse(exception, "exception in listener");
 assertTrue(listenerCalled);