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(HasProperty, has_property, 2)                       \
30  V(IsArray, is_array, 1)                               \
31  V(IsJSProxy, is_js_proxy, 1)                          \
32  V(IsJSReceiver, is_js_receiver, 1)                    \
33  V(IsRegExp, is_regexp, 1)                             \
34  V(IsSmi, is_smi, 1)                                   \
35  V(IsTypedArray, is_typed_array, 1)                    \
36  V(NewObject, new_object, 2)                           \
37  V(NumberToString, number_to_string, 1)                \
38  V(RegExpExec, reg_exp_exec, 4)                        \
39  V(SubString, sub_string, 3)                           \
40  V(ToString, to_string, 1)                             \
41  V(ToLength, to_length, 1)                             \
42  V(ToInteger, to_integer, 1)                           \
43  V(ToNumber, to_number, 1)                             \
44  V(ToObject, to_object, 1)                             \
45  V(ValueOf, value_of, 1)
46
47class IntrinsicsHelper {
48 public:
49  enum class IntrinsicId {
50#define DECLARE_INTRINSIC_ID(name, lower_case, count) k##name,
51    INTRINSICS_LIST(DECLARE_INTRINSIC_ID)
52#undef DECLARE_INTRINSIC_ID
53        kIdCount
54  };
55  STATIC_ASSERT(static_cast<uint32_t>(IntrinsicId::kIdCount) <= kMaxUInt8);
56
57  explicit IntrinsicsHelper(InterpreterAssembler* assembler);
58
59  compiler::Node* InvokeIntrinsic(compiler::Node* function_id,
60                                  compiler::Node* context,
61                                  compiler::Node* first_arg_reg,
62                                  compiler::Node* arg_count);
63
64  static bool IsSupported(Runtime::FunctionId function_id);
65  static IntrinsicId FromRuntimeId(Runtime::FunctionId function_id);
66  static Runtime::FunctionId ToRuntimeId(IntrinsicId intrinsic_id);
67
68 private:
69  enum InstanceTypeCompareMode {
70    kInstanceTypeEqual,
71    kInstanceTypeGreaterThanOrEqual
72  };
73
74  compiler::Node* IsInstanceType(compiler::Node* input, int type);
75  compiler::Node* CompareInstanceType(compiler::Node* map, int type,
76                                      InstanceTypeCompareMode mode);
77  compiler::Node* IntrinsicAsStubCall(compiler::Node* input,
78                                      compiler::Node* context,
79                                      Callable const& callable);
80  void AbortIfArgCountMismatch(int expected, compiler::Node* actual);
81
82#define DECLARE_INTRINSIC_HELPER(name, lower_case, count)                \
83  compiler::Node* name(compiler::Node* input, compiler::Node* arg_count, \
84                       compiler::Node* context);
85  INTRINSICS_LIST(DECLARE_INTRINSIC_HELPER)
86#undef DECLARE_INTRINSIC_HELPER
87
88  Isolate* isolate() { return isolate_; }
89  Zone* zone() { return zone_; }
90
91  Isolate* isolate_;
92  Zone* zone_;
93  InterpreterAssembler* assembler_;
94
95  DISALLOW_COPY_AND_ASSIGN(IntrinsicsHelper);
96};
97
98}  // namespace interpreter
99}  // namespace internal
100}  // namespace v8
101
102#endif
103