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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 // Class for intrinsifying functions. | 4 // Class for intrinsifying functions. |
5 | 5 |
6 #include "vm/intrinsifier.h" | 6 #include "vm/intrinsifier.h" |
7 #include "vm/flags.h" | 7 #include "vm/flags.h" |
8 #include "vm/object.h" | 8 #include "vm/object.h" |
9 | 9 |
10 namespace dart { | 10 namespace dart { |
11 | 11 |
12 DEFINE_FLAG(bool, intrinsify, true, "Instrinsify when possible"); | 12 DEFINE_FLAG(bool, intrinsify, true, "Instrinsify when possible"); |
13 | 13 |
14 | 14 |
15 static bool CompareNames(const char* test_name, const char* name) { | 15 static bool CompareNames(const char* test_name, const char* name) { |
16 if (strcmp(test_name, name) == 0) { | 16 if (strcmp(test_name, name) == 0) { |
17 return true; | 17 return true; |
18 } | 18 } |
19 if ((name[0] == '_') && (test_name[0] == '_')) { | 19 if ((name[0] == '_') && (test_name[0] == '_')) { |
20 // Check if the private class is member of core, coreimpl or | 20 // Check if the private class is member of core or scalarlist and matches |
21 // scalarlist and matches the test_class_name. | 21 // the test_class_name. |
22 const Library& core_lib = Library::Handle(Library::CoreLibrary()); | 22 const Library& core_lib = Library::Handle(Library::CoreLibrary()); |
23 const Library& core_impl_lib = Library::Handle(Library::CoreImplLibrary()); | |
24 const Library& scalarlist_lib = | 23 const Library& scalarlist_lib = |
25 Library::Handle(Library::ScalarlistLibrary()); | 24 Library::Handle(Library::ScalarlistLibrary()); |
26 String& test_str = String::Handle(String::New(test_name)); | 25 String& test_str = String::Handle(String::New(test_name)); |
27 String& test_str_with_key = String::Handle(); | 26 String& test_str_with_key = String::Handle(); |
28 test_str_with_key = | 27 test_str_with_key = |
29 String::Concat(test_str, String::Handle(core_lib.private_key())); | 28 String::Concat(test_str, String::Handle(core_lib.private_key())); |
30 if (strcmp(test_str_with_key.ToCString(), name) == 0) { | 29 if (strcmp(test_str_with_key.ToCString(), name) == 0) { |
31 return true; | 30 return true; |
32 } | 31 } |
33 test_str_with_key = | 32 test_str_with_key = |
34 String::Concat(test_str, String::Handle(core_impl_lib.private_key())); | |
35 if (strcmp(test_str_with_key.ToCString(), name) == 0) { | |
36 return true; | |
37 } | |
38 test_str_with_key = | |
39 String::Concat(test_str, String::Handle(scalarlist_lib.private_key())); | 33 String::Concat(test_str, String::Handle(scalarlist_lib.private_key())); |
40 if (strcmp(test_str_with_key.ToCString(), name) == 0) { | 34 if (strcmp(test_str_with_key.ToCString(), name) == 0) { |
41 return true; | 35 return true; |
42 } | 36 } |
43 } | 37 } |
44 return false; | 38 return false; |
Ivan Posva
2012/11/13 18:26:28
How does this differ from the code above?
Anders Johnsen
2012/11/13 18:40:26
Bad merge.
| |
45 } | 39 } |
46 | 40 |
47 | 41 |
48 // Returns true if the function matches function_name and class_name, with | 42 // Returns true if the function matches function_name and class_name, with |
49 // special recognition of corelib private classes. | 43 // special recognition of corelib private classes. |
50 static bool TestFunction(const Function& function, | 44 static bool TestFunction(const Function& function, |
51 const char* function_class_name, | 45 const char* function_class_name, |
52 const char* function_name, | 46 const char* function_name, |
53 const char* test_class_name, | 47 const char* test_class_name, |
54 const char* test_function_name) { | 48 const char* test_function_name) { |
(...skipping 16 matching lines...) Expand all Loading... | |
71 if (!FLAG_intrinsify) return false; | 65 if (!FLAG_intrinsify) return false; |
72 if (function.IsClosureFunction()) return false; | 66 if (function.IsClosureFunction()) return false; |
73 // Intrinsic kind is set lazily below. | 67 // Intrinsic kind is set lazily below. |
74 if (function.intrinsic_kind() == Function::kIsIntrinsic) return true; | 68 if (function.intrinsic_kind() == Function::kIsIntrinsic) return true; |
75 if (function.intrinsic_kind() == Function::kIsNotIntrinsic) return false; | 69 if (function.intrinsic_kind() == Function::kIsNotIntrinsic) return false; |
76 // Closure functions may have different arguments. | 70 // Closure functions may have different arguments. |
77 const char* function_name = String::Handle(function.name()).ToCString(); | 71 const char* function_name = String::Handle(function.name()).ToCString(); |
78 const Class& function_class = Class::Handle(function.Owner()); | 72 const Class& function_class = Class::Handle(function.Owner()); |
79 // Only core, math and scalarlist library methods can be intrinsified. | 73 // Only core, math and scalarlist library methods can be intrinsified. |
80 if ((function_class.library() != Library::CoreLibrary()) && | 74 if ((function_class.library() != Library::CoreLibrary()) && |
81 (function_class.library() != Library::CoreImplLibrary()) && | |
82 (function_class.library() != Library::MathLibrary()) && | 75 (function_class.library() != Library::MathLibrary()) && |
83 (function_class.library() != Library::ScalarlistLibrary())) { | 76 (function_class.library() != Library::ScalarlistLibrary())) { |
84 return false; | 77 return false; |
85 } | 78 } |
86 const char* class_name = String::Handle(function_class.Name()).ToCString(); | 79 const char* class_name = String::Handle(function_class.Name()).ToCString(); |
87 #define FIND_INTRINSICS(test_class_name, test_function_name, destination) \ | 80 #define FIND_INTRINSICS(test_class_name, test_function_name, destination) \ |
88 if (TestFunction(function, \ | 81 if (TestFunction(function, \ |
89 class_name, function_name, \ | 82 class_name, function_name, \ |
90 #test_class_name, #test_function_name)) { \ | 83 #test_class_name, #test_function_name)) { \ |
91 function.set_intrinsic_kind(Function::kIsIntrinsic); \ | 84 function.set_intrinsic_kind(Function::kIsIntrinsic); \ |
(...skipping 17 matching lines...) Expand all Loading... | |
109 #test_class_name, #test_function_name)) { \ | 102 #test_class_name, #test_function_name)) { \ |
110 return destination(assembler); \ | 103 return destination(assembler); \ |
111 } \ | 104 } \ |
112 | 105 |
113 INTRINSIC_LIST(FIND_INTRINSICS); | 106 INTRINSIC_LIST(FIND_INTRINSICS); |
114 #undef FIND_INTRINSICS | 107 #undef FIND_INTRINSICS |
115 return false; | 108 return false; |
116 } | 109 } |
117 | 110 |
118 } // namespace dart | 111 } // namespace dart |
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