Partial ia32 implementation of optimized try/catch (by Kevin Millikin)

src/objects.cc

 // Copyright 2012 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 8245 matching lines @@
 
       switch (opcode) {
         case Translation::BEGIN:
           UNREACHABLE();
           break;
 
         case Translation::JS_FRAME: {
           int ast_id = iterator.Next();
           int function_id = iterator.Next();
           unsigned height = iterator.Next();
+          int handler_count = iterator.Next();
           PrintF(out, "{ast_id=%d, function=", ast_id);
           if (function_id != Translation::kSelfLiteralId) {
             Object* function = LiteralArray()->get(function_id);
             JSFunction::cast(function)->PrintName(out);
           } else {
             PrintF(out, "<self>");
           }
-          PrintF(out, ", height=%u}", height);
+          PrintF(out, ", height=%u, handlers=%d}", height, handler_count);
           break;
         }
 
         case Translation::ARGUMENTS_ADAPTOR_FRAME:
         case Translation::CONSTRUCT_STUB_FRAME: {
           int function_id = iterator.Next();
           JSFunction* function =
               JSFunction::cast(LiteralArray()->get(function_id));
           unsigned height = iterator.Next();
           PrintF(out, "{function=");
@@ skipping 4927 matching lines @@
   set_year(Smi::FromInt(year), SKIP_WRITE_BARRIER);
   set_month(Smi::FromInt(month), SKIP_WRITE_BARRIER);
   set_day(Smi::FromInt(day), SKIP_WRITE_BARRIER);
   set_weekday(Smi::FromInt(weekday), SKIP_WRITE_BARRIER);
   set_hour(Smi::FromInt(hour), SKIP_WRITE_BARRIER);
   set_min(Smi::FromInt(min), SKIP_WRITE_BARRIER);
   set_sec(Smi::FromInt(sec), SKIP_WRITE_BARRIER);
 }
 
 } }  // namespace v8::internal