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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 #include "src/runtime/runtime-utils.h" | |
6 | |
7 #include "src/arguments.h" | |
8 #include "src/isolate-inl.h" | |
9 | |
10 namespace v8 { | |
11 namespace internal { | |
12 | |
13 | |
14 static Object* MaybeBooleanHelper(Isolate* isolate, Maybe<bool> result, | |
15 bool negate = false) { | |
16 if (result.IsJust()) { | |
17 return isolate->heap()->ToBoolean(result.FromJust() ^ negate); | |
18 } else { | |
19 UNIMPLEMENTED(); | |
20 return nullptr; | |
21 } | |
22 } | |
23 | |
24 | |
25 RUNTIME_FUNCTION(Runtime_InterpreterEquals) { | |
26 HandleScope scope(isolate); | |
27 DCHECK_EQ(2, args.length()); | |
28 CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); | |
29 CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); | |
30 return MaybeBooleanHelper(isolate, Object::Equals(x, y)); | |
Benedikt Meurer
2015/09/28 10:19:52
Please avoid this indirection and the bit flipping
| |
31 } | |
32 | |
33 | |
34 RUNTIME_FUNCTION(Runtime_InterpreterNotEquals) { | |
35 HandleScope scope(isolate); | |
36 DCHECK_EQ(2, args.length()); | |
37 CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); | |
38 CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); | |
39 return MaybeBooleanHelper(isolate, Object::Equals(x, y), true); | |
40 } | |
41 | |
42 | |
43 RUNTIME_FUNCTION(Runtime_InterpreterLessThan) { | |
44 HandleScope scope(isolate); | |
45 DCHECK_EQ(2, args.length()); | |
46 CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); | |
47 CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); | |
48 return MaybeBooleanHelper(isolate, Object::LessThan(x, y)); | |
49 } | |
50 | |
51 | |
52 RUNTIME_FUNCTION(Runtime_InterpreterGreaterThan) { | |
53 HandleScope scope(isolate); | |
54 DCHECK_EQ(2, args.length()); | |
55 CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); | |
56 CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); | |
57 return MaybeBooleanHelper(isolate, Object::GreaterThan(x, y)); | |
58 } | |
59 | |
60 | |
61 RUNTIME_FUNCTION(Runtime_InterpreterLessThanOrEqual) { | |
62 HandleScope scope(isolate); | |
63 DCHECK_EQ(2, args.length()); | |
64 CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); | |
65 CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); | |
66 return MaybeBooleanHelper(isolate, Object::LessThanOrEqual(x, y)); | |
67 } | |
68 | |
69 | |
70 RUNTIME_FUNCTION(Runtime_InterpreterGreaterThanOrEqual) { | |
71 HandleScope scope(isolate); | |
72 DCHECK_EQ(2, args.length()); | |
73 CONVERT_ARG_HANDLE_CHECKED(Object, x, 0); | |
74 CONVERT_ARG_HANDLE_CHECKED(Object, y, 1); | |
75 return MaybeBooleanHelper(isolate, Object::GreaterThanOrEqual(x, y)); | |
76 } | |
77 | |
78 | |
79 RUNTIME_FUNCTION(Runtime_InterpreterStrictEquals) { | |
80 SealHandleScope scope(isolate); | |
81 DCHECK_EQ(2, args.length()); | |
82 CONVERT_ARG_CHECKED(Object, x, 0); | |
83 CONVERT_ARG_CHECKED(Object, y, 1); | |
84 return isolate->heap()->ToBoolean(x->StrictEquals(y)); | |
85 } | |
86 | |
87 | |
88 RUNTIME_FUNCTION(Runtime_InterpreterStrictNotEquals) { | |
89 SealHandleScope scope(isolate); | |
90 DCHECK_EQ(2, args.length()); | |
91 CONVERT_ARG_CHECKED(Object, x, 0); | |
92 CONVERT_ARG_CHECKED(Object, y, 1); | |
93 return isolate->heap()->ToBoolean(!x->StrictEquals(y)); | |
94 } | |
95 | |
96 | |
97 RUNTIME_FUNCTION(Runtime_InterpreterCastToBoolean) { | |
98 SealHandleScope scope(isolate); | |
99 DCHECK_EQ(1, args.length()); | |
100 CONVERT_ARG_CHECKED(Object, x, 0); | |
101 return isolate->heap()->ToBoolean(x->BooleanValue()); | |
102 } | |
103 | |
104 | |
105 } // namespace internal | |
106 } // namespace v8 | |
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