[promises] port NewPromiseCapability to TF

src/code-stub-assembler.h

 // Copyright 2016 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_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include <functional>
 
 #include "src/compiler/code-assembler.h"
@@ skipping 10 matching lines @@
 
 enum class PrimitiveType { kBoolean, kNumber, kString, kSymbol };
 
 #define HEAP_CONSTANT_LIST(V)                         \
   V(AccessorInfoMap, AccessorInfoMap)                 \
   V(AllocationSiteMap, AllocationSiteMap)             \
   V(BooleanMap, BooleanMap)                           \
   V(CodeMap, CodeMap)                                 \
   V(empty_string, EmptyString)                        \
   V(EmptyFixedArray, EmptyFixedArray)                 \
+  V(EmptyLiteralsArray, EmptyLiteralsArray)           \
   V(FalseValue, False)                                \
   V(FixedArrayMap, FixedArrayMap)                     \
   V(FixedCOWArrayMap, FixedCOWArrayMap)               \
   V(FixedDoubleArrayMap, FixedDoubleArrayMap)         \
   V(FunctionTemplateInfoMap, FunctionTemplateInfoMap) \
   V(HeapNumberMap, HeapNumberMap)                     \
   V(MinusZeroValue, MinusZero)                        \
   V(NanValue, Nan)                                    \
   V(NullValue, Null)                                  \
   V(SymbolMap, SymbolMap)                             \
@@ skipping 1156 matching lines @@
 
   CodeStubAssembler* assembler_;
   Node* argc_;
   Node* arguments_;
   Node* fp_;
 };
 
 #ifdef DEBUG
 #define CSA_ASSERT(csa, x) \
   (csa)->Assert([&] { return (x); }, #x, __FILE__, __LINE__)
+#define CSA_ASSERT_JS_ARGC_OP(csa, Op, op, expected)               \
+  (csa)->Assert(                                                   \
+      [&] {                                                        \
+        const CodeAssemblerState* state = (csa)->state();          \
+        int argc_index = state->parameter_count() - 2;             \

[Igor Sheludko, 2016/12/21 12:00:45]

Please add a comment:
  // See Linkage::GetJSCallDescriptor().

+        compiler::Node* const argc = (csa)->Parameter(argc_index); \
+        return (csa)->Op(argc, (csa)->Int32Constant(expected));    \
+      },                                                           \
+      "argc " #op " " #expected, __FILE__, __LINE__)
+
+#define CSA_ASSERT_JS_ARGC_EQ(csa, expected) \
+  CSA_ASSERT_JS_ARGC_OP(csa, Word32Equal, ==, expected)
+
 #else
 #define CSA_ASSERT(csa, x) ((void)0)
+#define CSA_ASSERT_JS_ARGC_EQ(csa, expected) ((void)0)
 #endif
 
 #ifdef ENABLE_SLOW_DCHECKS
 #define CSA_SLOW_ASSERT(csa, x)                                 \
   if (FLAG_enable_slow_asserts) {                               \
     (csa)->Assert([&] { return (x); }, #x, __FILE__, __LINE__); \
   }
 #else
 #define CSA_SLOW_ASSERT(csa, x) ((void)0)
 #endif
 
 DEFINE_OPERATORS_FOR_FLAGS(CodeStubAssembler::AllocationFlags);
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_CODE_STUB_ASSEMBLER_H_