Debugger: prepare code for debugging on a per-function basis.

src/objects.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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 6650 matching lines @@
   inline void set_num_literals(int value);
 
   // [start_position_and_type]: Field used to store both the source code
   // position, whether or not the function is a function expression,
   // and whether or not the function is a toplevel function. The two
   // least significants bit indicates whether the function is an
   // expression and the rest contains the source code position.
   inline int start_position_and_type() const;
   inline void set_start_position_and_type(int value);
 
+  // The function is subject to debugging if a debug info is attached.
+  inline bool HasDebugInfo();
+  inline DebugInfo* GetDebugInfo();
+
+  // A function has debug code if the compiled code has debug break slots.
+  inline bool HasDebugCode();
+
   // [debug info]: Debug information.
   DECL_ACCESSORS(debug_info, Object)
 
   // [inferred name]: Name inferred from variable or property
   // assignment of this function. Used to facilitate debugging and
   // profiling of JavaScript code written in OO style, where almost
   // all functions are anonymous but are assigned to object
   // properties.
   DECL_ACCESSORS(inferred_name, String)
 
@@ skipping 565 matching lines @@
   // [[Call]] and [[Construct]] description in ECMA-262, section
   // 8.6.2, page 27.
   inline Code* code();
   inline void set_code(Code* code);
   inline void set_code_no_write_barrier(Code* code);
   inline void ReplaceCode(Code* code);
 
   // Tells whether this function is builtin.
   inline bool IsBuiltin();
 
+  // Tells whether this function inlines the given shared function info.
+  bool Inlines(SharedFunctionInfo* candidate);
+
   // Tells whether this function should be subject to debugging.
   inline bool IsSubjectToDebugging();
 
   // Tells whether or not the function needs arguments adaption.
   inline bool NeedsArgumentsAdaption();
 
   // Tells whether or not this function has been optimized.
   inline bool IsOptimized();
 
   // Mark this function for lazy recompilation. The function will be
@@ skipping 3519 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_