Provisional implementation of stack allocated catch variables.

src/hydrogen.cc

 // Copyright 2011 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 2615 matching lines @@
 
 
 void HGraphBuilder::VisitExitContextStatement(ExitContextStatement* stmt) {
   ASSERT(!HasStackOverflow());
   ASSERT(current_block() != NULL);
   ASSERT(current_block()->HasPredecessor());
   return Bailout("ExitContextStatement");
 }
 
 
+void HGraphBuilder::VisitExitScopedBlockStatement(
+    ExitScopedBlockStatement* stmt) {
+  ASSERT(!HasStackOverflow());
+  ASSERT(current_block() != NULL);
+  ASSERT(current_block()->HasPredecessor());
+  return Bailout("ExitScopedBlockStatement");
+}
+
+
 void HGraphBuilder::VisitSwitchStatement(SwitchStatement* stmt) {
   ASSERT(!HasStackOverflow());
   ASSERT(current_block() != NULL);
   ASSERT(current_block()->HasPredecessor());
   // We only optimize switch statements with smi-literal smi comparisons,
   // with a bounded number of clauses.
   const int kCaseClauseLimit = 128;
   ZoneList<CaseClause*>* clauses = stmt->cases();
   int clause_count = clauses->length();
   if (clause_count > kCaseClauseLimit) {
@@ skipping 3571 matching lines @@
     : closure_(closure),
       values_(0),
       assigned_variables_(4),
       parameter_count_(0),
       specials_count_(1),
       local_count_(0),
       outer_(outer),
       pop_count_(0),
       push_count_(0),
       ast_id_(AstNode::kNoNumber) {
-  Initialize(scope->num_parameters() + 1, scope->num_stack_slots(), 0);
+  Initialize(scope->num_parameters() + 1, scope->num_stack_allocs(), 0);
 }
 
 
 HEnvironment::HEnvironment(const HEnvironment* other)
     : values_(0),
       assigned_variables_(0),
       parameter_count_(0),
       specials_count_(1),
       local_count_(0),
       outer_(NULL),
@@ skipping 493 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify();
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal