[Interpreter] Add support for JS runtime calls.

src/interpreter/bytecode-array-builder.h

 // Copyright 2015 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_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_
 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_
 
 #include <vector>
 
 #include "src/ast.h"
@@ skipping 131 matching lines @@
   // applied to the constructor.
   BytecodeArrayBuilder& New(Register constructor, Register first_arg,
                             size_t arg_count);
 
   // Call the runtime function with |function_id|. The first argument should be
   // in |first_arg| and all subsequent arguments should be in registers
   // <first_arg + 1> to <first_arg + 1 + arg_count>.
   BytecodeArrayBuilder& CallRuntime(Runtime::FunctionId function_id,
                                     Register first_arg, size_t arg_count);
 
+  // Call the JS runtime function with |context_index|. The the receiver should
+  // be in |receiver| and all subsequent arguments should be in registers
+  // <receiver + 1> to <receiver + 1 + arg_count>.
+  BytecodeArrayBuilder& CallJSRuntime(int context_index, Register receiver,
+                                      size_t arg_count);
+
   // Operators (register holds the lhs value, accumulator holds the rhs value).
   BytecodeArrayBuilder& BinaryOperation(Token::Value binop, Register reg,
                                         Strength strength);
 
   // Count Operators (value stored in accumulator).
   BytecodeArrayBuilder& CountOperation(Token::Value op, Strength strength);
 
   // Unary Operators.
   BytecodeArrayBuilder& LogicalNot();
   BytecodeArrayBuilder& TypeOf();
@@ skipping 56 matching lines @@
 
   static bool FitsInIdx8Operand(int value);
   static bool FitsInIdx8Operand(size_t value);
   static bool FitsInImm8Operand(int value);
   static bool FitsInIdx16Operand(int value);
   static bool FitsInIdx16Operand(size_t value);
 
   static Bytecode GetJumpWithConstantOperand(Bytecode jump_with_smi8_operand);
   static Bytecode GetJumpWithToBoolean(Bytecode jump);
 
+  enum class RegisterValidityCheck { kCheckRegisters, kDontCheckRegisters };
+
   template <size_t N>
-  INLINE(void Output(Bytecode bytecode, uint32_t(&oprands)[N]));
+  INLINE(void Output(Bytecode bytecode, uint32_t(&oprands)[N],
+                     RegisterValidityCheck reg_check =
+                         RegisterValidityCheck::kCheckRegisters));
   void Output(Bytecode bytecode, uint32_t operand0, uint32_t operand1,
-              uint32_t operand2);
-  void Output(Bytecode bytecode, uint32_t operand0, uint32_t operand1);
-  void Output(Bytecode bytecode, uint32_t operand0);
+              uint32_t operand2, RegisterValidityCheck reg_check =
+                                     RegisterValidityCheck::kCheckRegisters);
+  void Output(
+      Bytecode bytecode, uint32_t operand0, uint32_t operand1,
+      RegisterValidityCheck reg_check = RegisterValidityCheck::kCheckRegisters);
+  void Output(
+      Bytecode bytecode, uint32_t operand0,
+      RegisterValidityCheck reg_check = RegisterValidityCheck::kCheckRegisters);
   void Output(Bytecode bytecode);
 
   BytecodeArrayBuilder& OutputJump(Bytecode jump_bytecode,
                                    BytecodeLabel* label);
   void PatchJump(const ZoneVector<uint8_t>::iterator& jump_target,
                  ZoneVector<uint8_t>::iterator jump_location);
 
   void EnsureReturn();
 
   bool OperandIsValid(Bytecode bytecode, int operand_index,
-                      uint32_t operand_value) const;
+                      uint32_t operand_value,
+                      RegisterValidityCheck reg_check) const;
   bool LastBytecodeInSameBlock() const;
 
   bool NeedToBooleanCast();
 
   int BorrowTemporaryRegister();
   void ReturnTemporaryRegister(int reg_index);
   int PrepareForConsecutiveTemporaryRegisters(size_t count);
   void BorrowConsecutiveTemporaryRegister(int reg_index);
   bool TemporaryRegisterIsLive(Register reg) const;
 
@@ skipping 89 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(TemporaryRegisterScope);
 };
 
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_