Remove old code generator.

runtime/vm/code_generator.cc

Index: runtime/vm/code_generator.cc
===================================================================
--- runtime/vm/code_generator.cc	(revision 9088)
+++ runtime/vm/code_generator.cc	(working copy)
@@ -5,6 +5,7 @@
 #include "vm/code_generator.h"
 
 #include "vm/assembler_macros.h"
+#include "vm/ast.h"
 #include "vm/code_patcher.h"
 #include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
@@ -35,64 +36,6 @@
 DEFINE_FLAG(charp, optimization_filter, NULL, "Optimize only named function");
 
 
-bool CodeGenerator::CanOptimize() {
-  return
-      !FLAG_report_usage_count &&
-      (FLAG_optimization_counter_threshold >= 0) &&
-      !Isolate::Current()->debugger()->IsActive();
-}
-
-
-const Array& CodeGenerator::ArgumentsDescriptor(
-    int num_arguments,
-    const Array& optional_arguments_names) {
-  const intptr_t num_named_args =
-      optional_arguments_names.IsNull() ? 0 : optional_arguments_names.Length();
-  const intptr_t num_pos_args = num_arguments - num_named_args;
-
-  // Build the argument descriptor array, which consists of the total number of
-  // arguments, the number of positional arguments, alphabetically sorted
-  // pairs of name/position, and a terminating null.
-  const int descriptor_len = 3 + (2 * num_named_args);
-  Array& descriptor = Array::ZoneHandle(Array::New(descriptor_len, Heap::kOld));
-
-  // Set total number of passed arguments.
-  descriptor.SetAt(0, Smi::Handle(Smi::New(num_arguments)));
-  // Set number of positional arguments.
-  descriptor.SetAt(1, Smi::Handle(Smi::New(num_pos_args)));
-  // Set alphabetically sorted pairs of name/position for named arguments.
-  String& name = String::Handle();
-  Smi& pos = Smi::Handle();
-  for (int i = 0; i < num_named_args; i++) {
-    name ^= optional_arguments_names.At(i);
-    pos = Smi::New(num_pos_args + i);
-    int j = i;
-    // Shift already inserted pairs with "larger" names.
-    String& name_j = String::Handle();
-    Smi& pos_j = Smi::Handle();
-    while (--j >= 0) {
-      name_j ^= descriptor.At(2 + (2 * j));
-      const intptr_t result = name.CompareTo(name_j);
-      ASSERT(result != 0);  // Duplicate argument names checked in parser.
-      if (result > 0) break;
-      pos_j ^= descriptor.At(3 + (2 * j));
-      descriptor.SetAt(2 + (2 * (j + 1)), name_j);
-      descriptor.SetAt(3 + (2 * (j + 1)), pos_j);
-    }
-    // Insert pair in descriptor array.
-    descriptor.SetAt(2 + (2 * (j + 1)), name);
-    descriptor.SetAt(3 + (2 * (j + 1)), pos);
-  }
-  // Set terminating null.
-  descriptor.SetAt(descriptor_len - 1, Object::Handle());
-
-  // Share the immutable descriptor when possible by canonicalizing it.
-  descriptor.MakeImmutable();
-  descriptor ^= descriptor.Canonicalize();
-  return descriptor;
-}
-
-
 DEFINE_RUNTIME_ENTRY(TraceFunctionEntry, 1) {
   ASSERT(arguments.Count() == kTraceFunctionEntryRuntimeEntry.argument_count());
   const Function& function = Function::CheckedHandle(arguments.At(0));