[compiler] Reduce number of entry points into compiler API.

src/compiler.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_H_
 #define V8_COMPILER_H_
 
 #include "src/allocation.h"
 #include "src/ast/ast.h"
 #include "src/bailout-reason.h"
@@ skipping 473 matching lines @@
 
   // The current OSR frame for specialization or {nullptr}.
   JavaScriptFrame* osr_frame_ = nullptr;
 
   const char* debug_name_;
 
   DISALLOW_COPY_AND_ASSIGN(CompilationInfo);
 };
 
 
-// A wrapper around a CompilationInfo that detaches the Handles from
-// the underlying DeferredHandleScope and stores them in info_ on
-// destruction.
-class CompilationHandleScope BASE_EMBEDDED {
- public:
-  explicit CompilationHandleScope(CompilationInfo* info)
-      : deferred_(info->isolate()), info_(info) {}
-  ~CompilationHandleScope() {
-    info_->set_deferred_handles(deferred_.Detach());
-  }
-
- private:
-  DeferredHandleScope deferred_;
-  CompilationInfo* info_;
-};
-
-
 class HGraph;
 class LChunk;
 
 // A helper class that calls the three compilation phases in
 // Crankshaft and keeps track of its state.  The three phases
 // CreateGraph, OptimizeGraph and GenerateAndInstallCode can either
 // fail, bail-out to the full code generator or succeed.  Apart from
 // their return value, the status of the phase last run can be checked
 // using last_status().
 class OptimizedCompileJob: public ZoneObject {
@@ skipping 74 matching lines @@
 // parameters which then can be executed. If the source code contains other
 // functions, they will be compiled and allocated as part of the compilation
 // of the source code.
 
 // Please note this interface returns shared function infos.  This means you
 // need to call Factory::NewFunctionFromSharedFunctionInfo before you have a
 // real function with a context.
 
 class Compiler : public AllStatic {
  public:
-  MUST_USE_RESULT static MaybeHandle<Code> GetUnoptimizedCode(
-      Handle<JSFunction> function);
-  MUST_USE_RESULT static MaybeHandle<Code> GetLazyCode(
-      Handle<JSFunction> function);
+  enum ConcurrencyMode { NOT_CONCURRENT, CONCURRENT };
 
   static bool Compile(Handle<JSFunction> function, ClearExceptionFlag flag);
+  static bool CompileOptimized(Handle<JSFunction> function, ConcurrencyMode);
   static bool CompileDebugCode(Handle<JSFunction> function);
   static bool CompileDebugCode(Handle<SharedFunctionInfo> shared);
   static void CompileForLiveEdit(Handle<Script> script);
 
   // Parser::Parse, then Compiler::Analyze.
   static bool ParseAndAnalyze(ParseInfo* info);
   // Rewrite, analyze scopes, and renumber.
   static bool Analyze(ParseInfo* info);
   // Adds deoptimization support, requires ParseAndAnalyze.
   static bool EnsureDeoptimizationSupport(CompilationInfo* info);
@@ skipping 20 matching lines @@
                                                           int source_length);
 
   // Create a shared function info object (the code may be lazily compiled).
   static Handle<SharedFunctionInfo> GetSharedFunctionInfo(
       FunctionLiteral* node, Handle<Script> script, CompilationInfo* outer);
 
   // Create a shared function info object for a native function literal.
   static Handle<SharedFunctionInfo> GetSharedFunctionInfoForNative(
       v8::Extension* extension, Handle<String> name);
 
-  enum ConcurrencyMode { NOT_CONCURRENT, CONCURRENT };
-
   // Generate and return optimized code or start a concurrent optimization job.
   // In the latter case, return the InOptimizationQueue builtin.  On failure,
   // return the empty handle.
   MUST_USE_RESULT static MaybeHandle<Code> GetOptimizedCode(
       Handle<JSFunction> function, ConcurrencyMode mode,
       BailoutId osr_ast_id = BailoutId::None(),
       JavaScriptFrame* osr_frame = nullptr);
 
   // Generate and return code from previously queued optimization job.
   // On failure, return the empty handle.
   MUST_USE_RESULT static MaybeHandle<Code> GetConcurrentlyOptimizedCode(
       OptimizedCompileJob* job);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_H_