RFC: Switch to ast ids (instead of positions) for type feedback.

src/full-codegen.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 423 matching lines @@
   // Load a value from a named property.
   // The receiver is left on the stack by the IC.
   void EmitNamedPropertyLoad(Property* expr);
 
   // Load a value from a keyed property.
   // The receiver and the key is left on the stack by the IC.
   void EmitKeyedPropertyLoad(Property* expr);
 
   // Apply the compound assignment operator. Expects the left operand on top
   // of the stack and the right one in the accumulator.
-  void EmitBinaryOp(Token::Value op,
+  void EmitBinaryOp(BinaryOperation* expr,
+                    Token::Value op,
                     OverwriteMode mode);
 
   // Helper functions for generating inlined smi code for certain
   // binary operations.
-  void EmitInlineSmiBinaryOp(Expression* expr,
+  void EmitInlineSmiBinaryOp(BinaryOperation* expr,
                              Token::Value op,
                              OverwriteMode mode,
                              Expression* left,
                              Expression* right,
                              ConstantOperand constant);
 
-  void EmitConstantSmiBinaryOp(Expression* expr,
+  void EmitConstantSmiBinaryOp(BinaryOperation* expr,
                                Token::Value op,
                                OverwriteMode mode,
                                bool left_is_constant_smi,
                                Smi* value);
 
-  void EmitConstantSmiBitOp(Expression* expr,
+  void EmitConstantSmiBitOp(BinaryOperation* expr,
                             Token::Value op,
                             OverwriteMode mode,
                             Smi* value);
 
-  void EmitConstantSmiShiftOp(Expression* expr,
+  void EmitConstantSmiShiftOp(BinaryOperation* expr,
                               Token::Value op,
                               OverwriteMode mode,
                               Smi* value);
 
-  void EmitConstantSmiAdd(Expression* expr,
+  void EmitConstantSmiAdd(BinaryOperation* expr,
                           OverwriteMode mode,
                           bool left_is_constant_smi,
                           Smi* value);
 
-  void EmitConstantSmiSub(Expression* expr,
+  void EmitConstantSmiSub(BinaryOperation* expr,
                           OverwriteMode mode,
                           bool left_is_constant_smi,
                           Smi* value);
 
   // Assign to the given expression as if via '='. The right-hand-side value
   // is expected in the accumulator.
   void EmitAssignment(Expression* expr);
 
   // Complete a variable assignment.  The right-hand-side value is expected
   // in the accumulator.
@@ skipping 36 matching lines @@
 
   Handle<Script> script() { return info_->script(); }
   bool is_eval() { return info_->is_eval(); }
   FunctionLiteral* function() { return info_->function(); }
   Scope* scope() { return info_->scope(); }
 
   static Register result_register();
   static Register context_register();
 
   // Helper for calling an IC stub.
-  void EmitCallIC(Handle<Code> ic, RelocInfo::Mode mode);
+  void EmitCallIC(Handle<Code> ic,
+                  RelocInfo::Mode mode,
+                  AstId id = kNoAstId);
 
   // Set fields in the stack frame. Offsets are the frame pointer relative
   // offsets defined in, e.g., StandardFrameConstants.
   void StoreToFrameField(int frame_offset, Register value);
 
   // Load a value from the current context. Indices are defined as an enum
   // in v8::internal::Context.
   void LoadContextField(Register dst, int context_index);
 
   // AST node visit functions.
 #define DECLARE_VISIT(type) virtual void Visit##type(type* node);
   AST_NODE_LIST(DECLARE_VISIT)
 #undef DECLARE_VISIT
   // Handles the shortcutted logical binary operations in VisitBinaryOperation.
   void EmitLogicalOperation(BinaryOperation* expr);
 
   void VisitForTypeofValue(Expression* expr);
 
   struct BailoutEntry {
-    unsigned id;
+    AstId id;
     unsigned pc_and_state;
   };
 
 
   class ExpressionContext BASE_EMBEDDED {
    public:
     explicit ExpressionContext(FullCodeGenerator* codegen)
         : masm_(codegen->masm()), old_(codegen->context()), codegen_(codegen) {
       codegen->set_new_context(this);
     }
@@ skipping 191 matching lines @@
 
   friend class NestedStatement;
 
   DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FULL_CODEGEN_H_