1// Copyright 2015 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef V8_INTERPRETER_INTERPRETER_INTRINSICS_H_
6#define V8_INTERPRETER_INTERPRETER_INTRINSICS_H_
7
8#include "src/allocation.h"
9#include "src/builtins/builtins.h"
10#include "src/frames.h"
11#include "src/interpreter/bytecodes.h"
12#include "src/interpreter/interpreter-assembler.h"
13#include "src/runtime/runtime.h"
14
15namespace v8 {
16namespace internal {
17
18namespace compiler {
19class Node;
20}  // namespace compiler
21
22namespace interpreter {
23
24// List of supported intrisics, with upper case name, lower case name and
25// expected number of arguments (-1 denoting argument count is variable).
26#define INTRINSICS_LIST(V)                                           \
27  V(Call, call, -1)                                                  \
28  V(ClassOf, class_of, 1)                                            \
29  V(CreateIterResultObject, create_iter_result_object, 2)            \
30  V(CreateAsyncFromSyncIterator, create_async_from_sync_iterator, 1) \
31  V(HasProperty, has_property, 2)                                    \
32  V(IsArray, is_array, 1)                                            \
33  V(IsJSProxy, is_js_proxy, 1)                                       \
34  V(IsJSReceiver, is_js_receiver, 1)                                 \
35  V(IsSmi, is_smi, 1)                                                \
36  V(IsTypedArray, is_typed_array, 1)                                 \
37  V(SubString, sub_string, 3)                                        \
38  V(ToString, to_string, 1)                                          \
39  V(ToLength, to_length, 1)                                          \
40  V(ToInteger, to_integer, 1)                                        \
41  V(ToNumber, to_number, 1)                                          \
42  V(ToObject, to_object, 1)
43
44class IntrinsicsHelper {
45 public:
46  enum class IntrinsicId {
47#define DECLARE_INTRINSIC_ID(name, lower_case, count) k##name,
48    INTRINSICS_LIST(DECLARE_INTRINSIC_ID)
49#undef DECLARE_INTRINSIC_ID
50        kIdCount
51  };
52  STATIC_ASSERT(static_cast<uint32_t>(IntrinsicId::kIdCount) <= kMaxUInt8);
53
54  explicit IntrinsicsHelper(InterpreterAssembler* assembler);
55
56  compiler::Node* InvokeIntrinsic(compiler::Node* function_id,
57                                  compiler::Node* context,
58                                  compiler::Node* first_arg_reg,
59                                  compiler::Node* arg_count);
60
61  static bool IsSupported(Runtime::FunctionId function_id);
62  static IntrinsicId FromRuntimeId(Runtime::FunctionId function_id);
63  static Runtime::FunctionId ToRuntimeId(IntrinsicId intrinsic_id);
64
65 private:
66  enum InstanceTypeCompareMode {
67    kInstanceTypeEqual,
68    kInstanceTypeGreaterThanOrEqual
69  };
70
71  compiler::Node* IsInstanceType(compiler::Node* input, int type);
72  compiler::Node* CompareInstanceType(compiler::Node* map, int type,
73                                      InstanceTypeCompareMode mode);
74  compiler::Node* IntrinsicAsStubCall(compiler::Node* input,
75                                      compiler::Node* context,
76                                      Callable const& callable);
77  void AbortIfArgCountMismatch(int expected, compiler::Node* actual);
78
79#define DECLARE_INTRINSIC_HELPER(name, lower_case, count)                \
80  compiler::Node* name(compiler::Node* input, compiler::Node* arg_count, \
81                       compiler::Node* context);
82  INTRINSICS_LIST(DECLARE_INTRINSIC_HELPER)
83#undef DECLARE_INTRINSIC_HELPER
84
85  Isolate* isolate() { return isolate_; }
86  Zone* zone() { return zone_; }
87
88  Isolate* isolate_;
89  Zone* zone_;
90  InterpreterAssembler* assembler_;
91
92  DISALLOW_COPY_AND_ASSIGN(IntrinsicsHelper);
93};
94
95}  // namespace interpreter
96}  // namespace internal
97}  // namespace v8
98
99#endif
100