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1 # Copyright 2014 The Chromium Authors. All rights reserved. | 1 # Copyright 2014 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
| 5 import v8_types |
5 import v8_utilities | 6 import v8_utilities |
6 | 7 |
7 | 8 |
8 UNION_H_INCLUDES = frozenset([ | 9 UNION_H_INCLUDES = frozenset([ |
9 'bindings/core/v8/Dictionary.h', | 10 'bindings/core/v8/Dictionary.h', |
10 'bindings/core/v8/ExceptionState.h', | 11 'bindings/core/v8/ExceptionState.h', |
11 'bindings/core/v8/V8Binding.h', | 12 'bindings/core/v8/V8Binding.h', |
12 'platform/heap/Handle.h', | 13 'platform/heap/Handle.h', |
13 ]) | 14 ]) |
14 | 15 |
15 UNION_CPP_INCLUDES_BLACKLIST = frozenset([ | 16 UNION_HEADER_INCLUDES_BLACKLIST = frozenset([ |
16 # This header defines static functions needed to implement event handler | 17 # This header defines static functions needed to implement event handler |
17 # attributes in interfaces that implement GlobalEventHandlers. They are not | 18 # attributes in interfaces that implement GlobalEventHandlers. They are not |
18 # needed or used by UnionTypes*.cpp, so including the header causes | 19 # needed or used by UnionTypes*.cpp, so including the header causes |
19 # compilation errors. | 20 # compilation errors. |
20 # FIXME: We should solve this problem in a way that doesn't involve special- | 21 # FIXME: We should solve this problem in a way that doesn't involve special- |
21 # casing a header like this. | 22 # casing a header like this. |
22 'core/dom/GlobalEventHandlers.h', | 23 'core/dom/GlobalEventHandlers.h', |
23 ]) | 24 ]) |
24 | 25 |
25 | 26 |
26 cpp_includes = set() | 27 header_includes = set() |
27 header_forward_decls = set() | |
28 | |
29 | |
30 def union_context(union_types, interfaces_info): | |
31 cpp_includes.clear() | |
32 header_forward_decls.clear() | |
33 | |
34 # For container classes we strip nullable wrappers. For example, | |
35 # both (A or B)? and (A? or B) will become AOrB. This should be OK | |
36 # because container classes can handle null and it seems that | |
37 # distinguishing (A or B)? and (A? or B) doesn't make sense. | |
38 container_cpp_types = set() | |
39 union_types_for_containers = set() | |
40 nullable_cpp_types = set() | |
41 for union_type in union_types: | |
42 cpp_type = union_type.cpp_type | |
43 if cpp_type not in container_cpp_types: | |
44 union_types_for_containers.add(union_type) | |
45 container_cpp_types.add(cpp_type) | |
46 if union_type.includes_nullable_type: | |
47 nullable_cpp_types.add(cpp_type) | |
48 | |
49 union_types_for_containers = sorted(union_types_for_containers, | |
50 key=lambda union_type: union_type.cpp_ty
pe) | |
51 nullable_cpp_types = sorted(nullable_cpp_types) | |
52 | |
53 return { | |
54 'containers': [container_context(union_type, interfaces_info) | |
55 for union_type in union_types_for_containers], | |
56 'cpp_includes': sorted(cpp_includes - UNION_CPP_INCLUDES_BLACKLIST), | |
57 'header_forward_decls': sorted(header_forward_decls), | |
58 'header_includes': sorted(UNION_H_INCLUDES), | |
59 'nullable_cpp_types': nullable_cpp_types, | |
60 } | |
61 | 28 |
62 | 29 |
63 def container_context(union_type, interfaces_info): | 30 def container_context(union_type, interfaces_info): |
| 31 header_includes.clear() |
| 32 header_includes.update(UNION_H_INCLUDES) |
64 members = [] | 33 members = [] |
65 | 34 |
66 # These variables refer to member contexts if the given union type has | 35 # These variables refer to member contexts if the given union type has |
67 # corresponding types. They are used for V8 -> impl conversion. | 36 # corresponding types. They are used for V8 -> impl conversion. |
68 array_buffer_type = None | 37 array_buffer_type = None |
69 array_buffer_view_type = None | 38 array_buffer_view_type = None |
70 array_or_sequence_type = None | 39 array_or_sequence_type = None |
71 boolean_type = None | 40 boolean_type = None |
72 dictionary_type = None | 41 dictionary_type = None |
73 interface_types = [] | 42 interface_types = [] |
(...skipping 30 matching lines...) Expand all Loading... |
104 else: | 73 else: |
105 raise Exception('%s is not supported as an union member.' % member.n
ame) | 74 raise Exception('%s is not supported as an union member.' % member.n
ame) |
106 | 75 |
107 # Nullable restriction checks | 76 # Nullable restriction checks |
108 nullable_members = union_type.number_of_nullable_member_types | 77 nullable_members = union_type.number_of_nullable_member_types |
109 if nullable_members > 1: | 78 if nullable_members > 1: |
110 raise Exception('%s contains more than one nullable members' % union_typ
e.name) | 79 raise Exception('%s contains more than one nullable members' % union_typ
e.name) |
111 if dictionary_type and nullable_members == 1: | 80 if dictionary_type and nullable_members == 1: |
112 raise Exception('%s has a dictionary and a nullable member' % union_type
.name) | 81 raise Exception('%s has a dictionary and a nullable member' % union_type
.name) |
113 | 82 |
| 83 cpp_class = union_type.cpp_type |
114 return { | 84 return { |
115 'array_buffer_type': array_buffer_type, | 85 'array_buffer_type': array_buffer_type, |
116 'array_buffer_view_type': array_buffer_view_type, | 86 'array_buffer_view_type': array_buffer_view_type, |
117 'array_or_sequence_type': array_or_sequence_type, | 87 'array_or_sequence_type': array_or_sequence_type, |
118 'boolean_type': boolean_type, | 88 'boolean_type': boolean_type, |
119 'cpp_class': union_type.cpp_type, | 89 'cpp_class': cpp_class, |
120 'dictionary_type': dictionary_type, | 90 'dictionary_type': dictionary_type, |
| 91 'header_includes': sorted(header_includes - UNION_HEADER_INCLUDES_BLACKL
IST), |
121 'includes_nullable_type': union_type.includes_nullable_type, | 92 'includes_nullable_type': union_type.includes_nullable_type, |
122 'interface_types': interface_types, | 93 'interface_types': interface_types, |
123 'members': members, | 94 'members': members, |
124 'needs_trace': any(member['is_traceable'] for member in members), | 95 'needs_trace': any(member['is_traceable'] for member in members), |
125 'numeric_type': numeric_type, | 96 'numeric_type': numeric_type, |
126 'string_type': string_type, | 97 'string_type': string_type, |
127 'type_string': str(union_type), | 98 'type_string': str(union_type), |
| 99 'v8_class': v8_types.v8_type(cpp_class), |
128 } | 100 } |
129 | 101 |
130 | 102 |
131 def member_context(member, interfaces_info): | 103 def member_context(member, interfaces_info): |
132 cpp_includes.update(member.includes_for_type) | 104 header_includes.update(member.includes_for_type) |
133 interface_info = interfaces_info.get(member.name, None) | 105 interface_info = interfaces_info.get(member.name, None) |
134 if interface_info: | 106 if interface_info: |
135 cpp_includes.update(interface_info.get('dependencies_include_paths', [])
) | 107 header_includes.update(interface_info.get('dependencies_include_paths',
[])) |
136 header_forward_decls.add(member.implemented_as) | |
137 if member.is_nullable: | 108 if member.is_nullable: |
138 member = member.inner_type | 109 member = member.inner_type |
139 return { | 110 return { |
140 'cpp_name': v8_utilities.uncapitalize(member.name), | 111 'cpp_name': v8_utilities.uncapitalize(member.name), |
141 'cpp_type': member.cpp_type_args(used_in_cpp_sequence=True), | 112 'cpp_type': member.cpp_type_args(used_in_cpp_sequence=True), |
142 'cpp_local_type': member.cpp_type, | 113 'cpp_local_type': member.cpp_type, |
143 'cpp_value_to_v8_value': member.cpp_value_to_v8_value( | 114 'cpp_value_to_v8_value': member.cpp_value_to_v8_value( |
144 cpp_value='impl.getAs%s()' % member.name, isolate='isolate', | 115 cpp_value='impl.getAs%s()' % member.name, isolate='isolate', |
145 creation_context='creationContext'), | 116 creation_context='creationContext'), |
146 'enum_validation_expression': member.enum_validation_expression, | 117 'enum_validation_expression': member.enum_validation_expression, |
147 'is_traceable': member.is_traceable, | 118 'is_traceable': member.is_traceable, |
148 'rvalue_cpp_type': member.cpp_type_args(used_as_rvalue_type=True), | 119 'rvalue_cpp_type': member.cpp_type_args(used_as_rvalue_type=True), |
149 'specific_type_enum': 'SpecificType' + member.name, | 120 'specific_type_enum': 'SpecificType' + member.name, |
150 'type_name': member.name, | 121 'type_name': member.name, |
151 'v8_value_to_local_cpp_value': member.v8_value_to_local_cpp_value( | 122 'v8_value_to_local_cpp_value': member.v8_value_to_local_cpp_value( |
152 {}, 'v8Value', 'cppValue', isolate='isolate', | 123 {}, 'v8Value', 'cppValue', isolate='isolate', |
153 needs_exception_state_for_string=True, restricted_float=True), | 124 needs_exception_state_for_string=True, restricted_float=True), |
154 } | 125 } |
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