Add Throw and ReThrow nodes. Rethrow not yet tested (bailout with untested), since it needs the try…

runtime/vm/flow_graph_builder.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/flow_graph_builder.h"
 
 #include "vm/ast_printer.h"
 #include "vm/flags.h"
 #include "vm/intermediate_language.h"
 #include "vm/longjump.h"
@@ skipping 1257 matching lines @@
   Bailout("EffectGraphVisitor::VisitCatchClauseNode");
 }
 
 
 void EffectGraphVisitor::VisitTryCatchNode(TryCatchNode* node) {
   Bailout("EffectGraphVisitor::VisitTryCatchNode");
 }
 
 
 void EffectGraphVisitor::VisitThrowNode(ThrowNode* node) {
-  Bailout("EffectGraphVisitor::VisitThrowNode");
+  ValueGraphVisitor for_exception(owner(), temp_index());
+  node->exception()->Visit(&for_exception);
+  Append(for_exception);
+  if (node->stacktrace() == NULL) {
+    ThrowComp* comp =
+        new ThrowComp(node->id(), node->token_index(), for_exception.value());
+    AddInstruction(new DoInstr(comp));
+  } else {
+    ValueGraphVisitor for_stack_trace(owner(), temp_index() + 1);
+    node->stacktrace()->Visit(&for_stack_trace);
+    Append(for_stack_trace);
+    ReThrowComp* comp = new ReThrowComp(node->id(),
+                                        node->token_index(),
+                                        for_exception.value(),
+                                        for_stack_trace.value());
+    AddInstruction(new DoInstr(comp));
+  }
 }
 
 
 void EffectGraphVisitor::VisitInlinedFinallyNode(InlinedFinallyNode* node) {
   Bailout("EffectGraphVisitor::VisitInlinedFinallyNode");
 }
 
 
 // Graph printing.
 class FlowGraphPrinter : public FlowGraphVisitor {
@@ skipping 218 matching lines @@
   }
   OS::Print(")");
 }
 
 
 void FlowGraphPrinter::VisitCreateClosure(CreateClosureComp* comp) {
   OS::Print("CreateClosure(%s)", comp->function().ToCString());
 }
 
 
+void FlowGraphPrinter::VisitThrow(ThrowComp* comp) {
+  OS::Print("Throw(");
+  comp->exception()->Accept(this);
+  OS::Print(")");
+}
+
+
+void FlowGraphPrinter::VisitReThrow(ReThrowComp* comp) {
+  OS::Print("ReThrow(");
+  comp->exception()->Accept(this);
+  OS::Print(", ");
+  comp->stack_trace()->Accept(this);
+  OS::Print(")");
+}
+
+
 void FlowGraphPrinter::VisitNativeLoadField(NativeLoadFieldComp* comp) {
   OS::Print("NativeLoadField(");
   comp->value()->Accept(this);
   OS::Print(", %d)", comp->offset_in_bytes());
 }
 
 
 void FlowGraphPrinter::VisitExtractTypeArguments(
     ExtractTypeArgumentsComp* comp) {
   OS::Print("ExtractTypeArguments(");
@@ skipping 82 matching lines @@
   char* chars = reinterpret_cast<char*>(
       Isolate::Current()->current_zone()->Allocate(len));
   OS::SNPrint(chars, len, kFormat, function_name, reason);
   const Error& error = Error::Handle(
       LanguageError::New(String::Handle(String::New(chars))));
   Isolate::Current()->long_jump_base()->Jump(1, error);
 }
 
 
 }  // namespace dart