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1 #!/usr/bin/env python | |
haraken
2017/05/20 19:10:02
Add a copyright.
peria
2017/05/30 08:25:44
Done.
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2 | |
3 # pylint: disable=relative-import | |
4 | |
5 import argparse | |
6 import os | |
7 import posixpath | |
8 | |
9 from code_generator import initialize_jinja_env | |
10 from idl_reader import IdlReader | |
11 from utilities import create_component_info_provider, write_file | |
12 import utilities | |
13 import v8_attributes | |
14 import v8_interface | |
15 import v8_types | |
16 import v8_utilities | |
17 | |
18 | |
19 INCLUDES = frozenset([ | |
20 'bindings/core/v8/GeneratedCodeHelper.h', | |
21 'bindings/core/v8/V8HTMLDocument.h', | |
22 'bindings/core/v8/V8Initializer.h', | |
23 'bindings/core/v8/V8Window.h', | |
24 'platform/bindings/DOMWrapperWorld.h', | |
25 'platform/bindings/V8ObjectConstructor.h', | |
26 'platform/bindings/V8PerIsolateData.h', | |
27 'platform/bindings/V8PrivateProperty.h', | |
28 'v8/include/v8.h']) | |
29 | |
30 | |
31 def parse_args(): | |
32 parser = argparse.ArgumentParser() | |
33 parser.add_argument('--idl-files-list', type=str, required=True, | |
34 help='file listing IDL files') | |
35 parser.add_argument('--info-dir', type=str, required=True, | |
36 help='directory contains component info') | |
37 parser.add_argument('--output-dir', type=str, required=True, | |
38 help='output directory') | |
39 parser.add_argument('--cache-dir', type=str, required=True, | |
40 help='cache directory') | |
41 parser.add_argument('--target-component', type=str, required=True, | |
42 help='target component') | |
43 return parser.parse_known_args() | |
44 | |
45 | |
46 class InterfaceTemplateContextBuilder(object): | |
47 # NOTE: This class is equivalent of v8_interface.py | |
48 def __init__(self, opts, info_provider): | |
49 self._opts = opts | |
50 self._info_provider = info_provider | |
51 | |
52 def create_interface_context(self, interface, interfaces): | |
53 attributes = [v8_attributes.attribute_context(interface, attribute, inte rfaces) | |
54 for attribute in interface.attributes] | |
55 methods, _ = v8_interface.methods_context(interface) | |
56 name = '%s%s' % (v8_utilities.cpp_name(interface), 'Partial' if interfac e.is_partial else '') | |
57 is_global = ('PrimaryGlobal' in interface.extended_attributes or | |
58 'Global' in interface.extended_attributes) | |
59 | |
60 named_property_getter = v8_interface.property_getter(interface.named_pro perty_getter, ['name']) | |
61 indexed_property_getter = v8_interface.property_getter(interface.indexed _property_getter, ['index']) | |
62 | |
63 has_origin_safe_method_setter = not interface.is_partial and is_global a nd any( | |
64 method['is_check_security_for_receiver'] and not method['is_unforgea ble'] | |
65 for method in methods) | |
66 has_cross_origin_named_getter = ( | |
67 any(attribute['has_cross_origin_getter'] for attribute in attributes ) or | |
68 any(method['is_cross_origin'] for method in methods)) | |
69 has_security_check = False | |
70 has_cross_origin_named_setter = False | |
71 has_cross_origin_named_enum = False | |
72 has_cross_origin_named_getter = False | |
73 has_cross_origin_indexed_getter = False | |
74 | |
75 if not interface.is_partial: | |
76 has_security_check = ('CheckSecurity' in interface.extended_attribut es and | |
77 interface.name != 'EventTarget') | |
78 has_cross_origin_named_setter = any(attribute['has_cross_origin_sett er'] for attribute in attributes) | |
79 has_cross_origin_named_enum = has_cross_origin_named_getter or has_c ross_origin_named_setter | |
80 has_cross_origin_named_getter = named_property_getter and named_prop erty_getter['is_cross_origin'] | |
81 has_cross_origin_indexed_getter = indexed_property_getter and indexe d_property_getter['is_cross_origin'] | |
82 | |
83 return { | |
84 'attributes': attributes, | |
85 'has_origin_safe_method_setter': has_origin_safe_method_setter, | |
86 'has_cross_origin_named_getter': has_cross_origin_named_getter, | |
87 'has_cross_origin_named_setter': has_cross_origin_named_setter, | |
88 'has_cross_origin_named_enumerator': has_cross_origin_named_enum, | |
89 'has_cross_origin_indexed_getter': has_cross_origin_indexed_getter, | |
90 'has_security_check': has_security_check, | |
91 'indexed_property_getter': indexed_property_getter, | |
92 'indexed_property_setter': v8_interface.property_setter(interface.in dexed_property_setter, interface), | |
93 'indexed_property_deleter': v8_interface.property_deleter(interface. indexed_property_deleter), | |
94 'is_array_buffer_or_view': interface.idl_type.is_array_buffer_or_vie w, | |
95 'is_callback': interface.is_callback, | |
96 'is_partial': interface.is_partial, | |
97 'methods': methods, | |
98 'name': name, | |
99 'named_constructor': v8_interface.named_constructor_context(interfac e), | |
100 'named_property_getter': named_property_getter, | |
101 'named_property_setter': v8_interface.property_setter(interface.name d_property_setter, interface), | |
102 'named_property_deleter': v8_interface.property_deleter(interface.na med_property_deleter), | |
103 'v8_name': v8_utilities.v8_class_name_or_partial(interface), | |
104 } | |
105 | |
106 | |
107 class SnapshotGenerator(object): | |
108 def __init__(self, opts, info_provider): | |
109 self._opts = opts | |
110 self._info_provider = info_provider | |
111 self._reader = IdlReader( | |
112 info_provider.interfaces_info, opts.cache_dir) | |
113 self._interface_contexts = {} | |
114 self._include_files = set(INCLUDES) | |
115 v8_types.set_component_dirs(info_provider.interfaces_info['component_dir s']) | |
116 | |
117 def process_idl_file(self, idl_filename): | |
118 definitions = self._reader.read_idl_definitions(idl_filename) | |
119 base_name, _ = os.path.splitext(os.path.basename(idl_filename)) | |
120 for component in definitions: | |
121 target_definitions = definitions[component] | |
122 interfaces = target_definitions.interfaces | |
123 if base_name in interfaces.keys(): | |
124 interface = interfaces[base_name] | |
125 self._process_interface(interface, component, interfaces) | |
126 | |
127 def _process_interface(self, interface, component, interfaces): | |
128 def has_impl(interface): | |
129 # Non legacy callback interface does not provide V8 callbacks. | |
130 if interface.is_callback: | |
131 return len(interface.constants) > 0 | |
132 return True | |
133 | |
134 if not has_impl(interface): | |
135 return | |
136 | |
137 context_builder = InterfaceTemplateContextBuilder(self._opts, self._info _provider) | |
138 context = context_builder.create_interface_context(interface, interfaces ) | |
139 name = '%s%s' % (interface.name, 'Partial' if interface.is_partial else '') | |
140 self._interface_contexts[name] = context | |
141 include_file = 'bindings/%s/v8/%s.h' % (component, context['v8_name']) | |
142 self._include_files.add(include_file) | |
143 | |
144 def _create_template_context(self): | |
145 interfaces = [] | |
146 for name in sorted(self._interface_contexts): | |
147 interfaces.append(self._interface_contexts[name]) | |
148 return { | |
149 'interfaces': interfaces, | |
150 'include_files': sorted(list(self._include_files)), | |
151 } | |
152 | |
153 def generate(self): | |
154 jinja_env = initialize_jinja_env(self._opts.cache_dir) | |
155 context = self._create_template_context() | |
156 cpp_template = jinja_env.get_template('snapshot.cpp.tmpl') | |
157 cpp_text = cpp_template.render(context) | |
158 cpp_path = posixpath.join(self._opts.output_dir, 'V8SnapshotReference.cp p') | |
159 return ( | |
160 (cpp_path, cpp_text), | |
161 ) | |
162 | |
163 | |
164 def main(): | |
165 opts, _ = parse_args() | |
166 info_provider = create_component_info_provider( | |
167 opts.info_dir, opts.target_component) | |
168 generator = SnapshotGenerator(opts, info_provider) | |
169 | |
170 idl_files = utilities.read_idl_files_list_from_file(opts.idl_files_list, Fal se) | |
171 for idl_file in idl_files: | |
172 generator.process_idl_file(idl_file) | |
173 outputs = generator.generate() | |
174 for output_path, output_code in outputs: | |
175 write_file(output_code, output_path) | |
176 | |
177 | |
178 if __name__ == '__main__': | |
179 main() | |
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