Initial split of precompilation code from compiler.cc

runtime/vm/compiler.h

 // 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.
 
 #ifndef VM_COMPILER_H_
 #define VM_COMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/growable_array.h"
 #include "vm/runtime_entry.h"
 #include "vm/thread_pool.h"
 
 namespace dart {
 
 // Forward declarations.
 class BackgroundCompilationQueue;
 class Class;
 class Code;
 class CompilationWorkQueue;
+class FlowGraph;
 class Function;
+class IndirectGotoInstr;
 class Library;
 class ParsedFunction;
 class QueueElement;
 class RawInstance;
 class Script;
 class SequenceNode;
 
 
+class CompilationPipeline : public ZoneAllocated {
+ public:
+  static CompilationPipeline* New(Zone* zone, const Function& function);
+
+  virtual void ParseFunction(ParsedFunction* parsed_function) = 0;
+  virtual FlowGraph* BuildFlowGraph(
+      Zone* zone,
+      ParsedFunction* parsed_function,
+      const ZoneGrowableArray<const ICData*>& ic_data_array,
+      intptr_t osr_id) = 0;
+  virtual void FinalizeCompilation() = 0;
+  virtual ~CompilationPipeline() { }
+};
+
+
+class DartCompilationPipeline : public CompilationPipeline {
+ public:
+  virtual void ParseFunction(ParsedFunction* parsed_function);
+
+  virtual FlowGraph* BuildFlowGraph(
+      Zone* zone,
+      ParsedFunction* parsed_function,
+      const ZoneGrowableArray<const ICData*>& ic_data_array,
+      intptr_t osr_id);
+
+  virtual void FinalizeCompilation();
+};
+
+
+class IrregexpCompilationPipeline : public CompilationPipeline {
+ public:
+  IrregexpCompilationPipeline() : backtrack_goto_(NULL) { }
+
+  virtual void ParseFunction(ParsedFunction* parsed_function);
+
+  virtual FlowGraph* BuildFlowGraph(
+      Zone* zone,
+      ParsedFunction* parsed_function,
+      const ZoneGrowableArray<const ICData*>& ic_data_array,
+      intptr_t osr_id);
+
+  virtual void FinalizeCompilation();
+
+ private:
+  IndirectGotoInstr* backtrack_goto_;
+};
+
+
 class Compiler : public AllStatic {
  public:
   static const intptr_t kNoOSRDeoptId = Thread::kNoDeoptId;
 
   static bool IsBackgroundCompilation();
 
   // Extracts top level entities from the script and populates
   // the class dictionary of the library.
   //
   // Returns Error::null() if there is no compilation error.
@@ skipping 36 matching lines @@
   //
   // The return value is either a RawInstance on success or a RawError
   // on compilation failure.
   static RawObject* ExecuteOnce(SequenceNode* fragment);
 
   // Evaluates the initializer expression of the given static field.
   //
   // The return value is either a RawInstance on success or a RawError
   // on compilation failure.
   static RawObject* EvaluateStaticInitializer(const Field& field);
-  static void CompileStaticInitializer(const Field& field);
 
   // Generates local var descriptors and sets it in 'code'. Do not call if the
   // local var descriptor already exists.
   static void ComputeLocalVarDescriptors(const Code& code);
 
   // Eagerly compiles all functions in a class.
   //
   // Returns Error::null() if there is no compilation error.
   static RawError* CompileAllFunctions(const Class& cls);
 
-  static bool always_optimize();
-
   // Notify the compiler that background (optimized) compilation has failed
   // because the mutator thread changed the state (e.g., deoptimization,
   // deferred loading). The background compilation may retry to compile
   // the same function later.
   static void AbortBackgroundCompilation(intptr_t deopt_id);
 };
 
 
 // Class to run optimizing compilation in a background thread.
 // Current implementation: one task per isolate, it dies with the owning
@@ skipping 25 matching lines @@
   Monitor* done_monitor_;   // Notify/wait that the thread is done.
 
   BackgroundCompilationQueue* function_queue_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(BackgroundCompiler);
 };
 
 }  // namespace dart
 
 #endif  // VM_COMPILER_H_