Add CompileInfo::GetDebugName()

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.h"
 #include "src/bailout-reason.h"
@@ skipping 117 matching lines @@
     kDisableFutureOptimization = 1 << 12,
     kSplittingEnabled = 1 << 13,
     kTypeFeedbackEnabled = 1 << 14,
     kDeoptimizationEnabled = 1 << 15,
     kSourcePositionsEnabled = 1 << 16,
     kFirstCompile = 1 << 17,
   };
 
   explicit CompilationInfo(ParseInfo* parse_info);
   CompilationInfo(CodeStub* stub, Isolate* isolate, Zone* zone);
+  CompilationInfo(const char* code_stub_debug_name, Isolate* isolate,
+                  Zone* zone);
   virtual ~CompilationInfo();
 
   ParseInfo* parse_info() const { return parse_info_; }
 
   // -----------------------------------------------------------
   // TODO(titzer): inline and delete accessors of ParseInfo
   // -----------------------------------------------------------
   Handle<Script> script() const;
   bool is_eval() const;
   bool is_native() const;
@@ skipping 151 matching lines @@
     osr_ast_id_ = osr_ast_id;
     unoptimized_code_ = unoptimized;
     optimization_id_ = isolate()->NextOptimizationId();
   }
 
   void SetFunctionType(Type::FunctionType* function_type) {
     function_type_ = function_type;
   }
   Type::FunctionType* function_type() const { return function_type_; }
 
-  void SetStub(CodeStub* code_stub) {
-    SetMode(STUB);
-    code_stub_ = code_stub;
-  }
+  void SetStub(CodeStub* code_stub);
 
   // Deoptimization support.
   bool HasDeoptimizationSupport() const {
     return GetFlag(kDeoptimizationSupport);
   }
   void EnableDeoptimizationSupport() {
     DCHECK_EQ(BASE, mode_);
     SetFlag(kDeoptimizationSupport);
   }
+  bool ShouldEnsureSpaceForLazyDeopt() { return !IsStub(); }
 
   // Determines whether or not to insert a self-optimization header.
   bool ShouldSelfOptimize();
 
   void set_deferred_handles(DeferredHandles* deferred_handles) {
     DCHECK(deferred_handles_ == NULL);
     deferred_handles_ = deferred_handles;
   }
 
   void ReopenHandlesInNewHandleScope() {
@@ skipping 73 matching lines @@
   Handle<Code> GenerateCodeStub();
 
   typedef std::vector<Handle<SharedFunctionInfo>> InlinedFunctionList;
   InlinedFunctionList const& inlined_functions() const {
     return inlined_functions_;
   }
   void AddInlinedFunction(Handle<SharedFunctionInfo> inlined_function) {
     inlined_functions_.push_back(inlined_function);
   }
 
+  base::SmartArrayPointer<char> GetDebugName() const;
+
  protected:
   ParseInfo* parse_info_;
 
   void DisableFutureOptimization() {
     if (GetFlag(kDisableFutureOptimization) && has_shared_info()) {
       shared_info()->DisableOptimization(bailout_reason());
     }
   }
 
  private:
   // Compilation mode.
   // BASE is generated by the full codegen, optionally prepared for bailouts.
   // OPTIMIZE is optimized code generated by the Hydrogen-based backend.
   enum Mode {
     BASE,
     OPTIMIZE,
     STUB
   };
 
-  CompilationInfo(ParseInfo* parse_info, CodeStub* code_stub, Mode mode,
-                  Isolate* isolate, Zone* zone);
+  CompilationInfo(ParseInfo* parse_info, CodeStub* code_stub,
+                  const char* code_stub_debug_name, Mode mode, Isolate* isolate,
+                  Zone* zone);
 
   Isolate* isolate_;
 
   void SetMode(Mode mode) {
     mode_ = mode;
   }
 
   void SetFlag(Flag flag) { flags_ |= flag; }
 
   void SetFlag(Flag flag, bool value) {
@@ skipping 48 matching lines @@
 
   int optimization_id_;
 
   int osr_expr_stack_height_;
 
   // The current OSR frame for specialization or {nullptr}.
   JavaScriptFrame* osr_frame_ = nullptr;
 
   Type::FunctionType* function_type_;
 
+  const char* code_stub_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)
@@ skipping 185 matching lines @@
   Zone zone_;
   size_t info_zone_start_allocation_size_;
   base::ElapsedTimer timer_;
 
   DISALLOW_COPY_AND_ASSIGN(CompilationPhase);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_COMPILER_H_