VM support for running Kernel binaries.

runtime/vm/parser.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/parser.h"
 #include "vm/flags.h"
 
 #ifndef DART_PRECOMPILED_RUNTIME
 
 #include "lib/invocation_mirror.h"
 #include "platform/utils.h"
 #include "vm/ast_transformer.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/compiler_stats.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
+#include "vm/kernel_to_il.h"
 #include "vm/growable_array.h"
 #include "vm/handles.h"
 #include "vm/hash_table.h"
 #include "vm/heap.h"
 #include "vm/isolate.h"
 #include "vm/longjump.h"
 #include "vm/native_arguments.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
@@ skipping 189 matching lines @@
                    function_.token_pos(),
                    Report::AtLocation,
                    "%s Bailout in %s: %s",
                    origin,
                    String::Handle(function_.name()).ToCString(),
                    reason);
   UNREACHABLE();
 }
 
 
+kernel::ScopeBuildingResult* ParsedFunction::EnsureKernelScopes() {
+  if (kernel_scopes_ == NULL) {
+    kernel::TreeNode* node = NULL;
+    if (function().kernel_function() != NULL) {
+      node = static_cast<kernel::TreeNode*>(function().kernel_function());
+    }
+    kernel::ScopeBuilder builder(this, node);
+    kernel_scopes_ = builder.BuildScopes();
+  }
+  return kernel_scopes_;
+}
+
+
 LocalVariable* ParsedFunction::EnsureExpressionTemp() {
   if (!has_expression_temp_var()) {
     LocalVariable* temp =
         new (Z) LocalVariable(function_.token_pos(),
                               Symbols::ExprTemp(),
                               Object::dynamic_type());
     ASSERT(temp != NULL);
     set_expression_temp_var(temp);
   }
   ASSERT(has_expression_temp_var());
@@ skipping 1347 matching lines @@
 
   const Function& parent = Function::Handle(func.parent_function());
   if (parent.IsImplicitSetterFunction()) {
     const TokenPosition ident_pos = func.token_pos();
     ASSERT(IsIdentifier());
     params.AddFinalParameter(ident_pos,
                              &Symbols::Value(),
                              &Object::dynamic_type());
     ASSERT(func.num_fixed_parameters() == 2);  // closure, value.
   } else if (!parent.IsGetterFunction() && !parent.IsImplicitGetterFunction()) {
-    const bool allow_explicit_default_values = true;
-    SkipFunctionPreamble();
-    ParseFormalParameterList(allow_explicit_default_values, false, &params);
-    SetupDefaultsForOptionalParams(params);
+    // NOTE: For the `kernel -> flowgraph` we don't use the parser.
+    if (parent.kernel_function() == NULL) {
+      const bool allow_explicit_default_values = true;
+      SkipFunctionPreamble();
+      ParseFormalParameterList(allow_explicit_default_values, false, &params);
+      SetupDefaultsForOptionalParams(params);
+    }
   }
 
   // Populate function scope with the formal parameters.
   LocalScope* scope = current_block_->scope;
   AddFormalParamsToScope(&params, scope);
 
   ArgumentListNode* func_args = new ArgumentListNode(token_pos);
   if (!func.is_static()) {
     func_args->Add(LoadReceiver(token_pos));
   }
@@ skipping 13399 matching lines @@
 #else  // DART_PRECOMPILED_RUNTIME
 
 
 namespace dart {
 
 void ParsedFunction::AddToGuardedFields(const Field* field) const {
   UNREACHABLE();
 }
 
 
+kernel::ScopeBuildingResult* ParsedFunction::EnsureKernelScopes() {
+  UNREACHABLE();
+  return NULL;
+}
+
+
 LocalVariable* ParsedFunction::EnsureExpressionTemp() {
   UNREACHABLE();
   return NULL;
 }
 
 
 void ParsedFunction::SetNodeSequence(SequenceNode* node_sequence) {
   UNREACHABLE();
 }
 
@@ skipping 66 matching lines @@
     const ArgumentListNode& function_args,
     const LocalVariable* temp_for_last_arg,
     bool is_super_invocation) {
   UNREACHABLE();
   return NULL;
 }
 
 }  // namespace dart
 
 #endif  // DART_PRECOMPILED_RUNTIME