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1 # Copyright 2013 The Chromium Authors. All rights reserved. | 1 # Copyright 2013 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 """Generates JavaScript source files from a mojom.Module.""" | 5 """Generates JavaScript source files from a mojom.Module.""" |
6 | 6 |
7 import mojom.generate.generator as generator | 7 import mojom.generate.generator as generator |
8 import mojom.generate.module as mojom | 8 import mojom.generate.module as mojom |
9 import mojom.generate.pack as pack | 9 import mojom.generate.pack as pack |
10 import os | 10 import os |
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88 return expected_dimension_sizes | 88 return expected_dimension_sizes |
89 | 89 |
90 | 90 |
91 def GetRelativePath(module, base_module): | 91 def GetRelativePath(module, base_module): |
92 return os.path.relpath(module.path, os.path.dirname(base_module.path)) | 92 return os.path.relpath(module.path, os.path.dirname(base_module.path)) |
93 | 93 |
94 | 94 |
95 class Generator(generator.Generator): | 95 class Generator(generator.Generator): |
96 def _GetParameters(self): | 96 def _GetParameters(self): |
97 return { | 97 return { |
98 "namespace": self.module.namespace, | 98 "enums": self.module.enums, |
99 "imports": self._GetImports(), | 99 "imports": self.module.imports, |
| 100 "interfaces": self.module.interfaces, |
100 "kinds": self.module.kinds, | 101 "kinds": self.module.kinds, |
101 "enums": self.module.enums, | |
102 "module": self.module, | 102 "module": self.module, |
103 "structs": self.GetStructs() + self.GetStructsFromMethods(), | 103 "structs": self.module.structs + self._GetStructsFromMethods(), |
104 "unions": self.GetUnions(), | 104 "unions": self.module.unions, |
105 "use_new_js_bindings": self.use_new_js_bindings, | 105 "use_new_js_bindings": self.use_new_js_bindings, |
106 "interfaces": self.GetInterfaces(), | |
107 "imported_interfaces": self._GetImportedInterfaces(), | |
108 } | 106 } |
109 | 107 |
110 @staticmethod | 108 @staticmethod |
111 def GetTemplatePrefix(): | 109 def GetTemplatePrefix(): |
112 return "js_templates" | 110 return "js_templates" |
113 | 111 |
114 def GetFilters(self): | 112 def GetFilters(self): |
115 js_filters = { | 113 js_filters = { |
116 "decode_snippet": self._JavaScriptDecodeSnippet, | 114 "decode_snippet": self._JavaScriptDecodeSnippet, |
117 "default_value": self._JavaScriptDefaultValue, | 115 "default_value": self._JavaScriptDefaultValue, |
118 "encode_snippet": self._JavaScriptEncodeSnippet, | 116 "encode_snippet": self._JavaScriptEncodeSnippet, |
119 "expression_to_text": self._ExpressionToText, | 117 "expression_to_text": self._ExpressionToText, |
120 "field_offset": JavaScriptFieldOffset, | 118 "field_offset": JavaScriptFieldOffset, |
| 119 "get_relative_path": GetRelativePath, |
121 "has_callbacks": mojom.HasCallbacks, | 120 "has_callbacks": mojom.HasCallbacks, |
122 "is_any_handle_or_interface_kind": mojom.IsAnyHandleOrInterfaceKind, | 121 "is_any_handle_or_interface_kind": mojom.IsAnyHandleOrInterfaceKind, |
123 "is_array_kind": mojom.IsArrayKind, | 122 "is_array_kind": mojom.IsArrayKind, |
124 "is_associated_interface_kind": mojom.IsAssociatedInterfaceKind, | 123 "is_associated_interface_kind": mojom.IsAssociatedInterfaceKind, |
125 "is_associated_interface_request_kind": | 124 "is_associated_interface_request_kind": |
126 mojom.IsAssociatedInterfaceRequestKind, | 125 mojom.IsAssociatedInterfaceRequestKind, |
127 "is_bool_kind": mojom.IsBoolKind, | 126 "is_bool_kind": mojom.IsBoolKind, |
128 "is_enum_kind": mojom.IsEnumKind, | 127 "is_enum_kind": mojom.IsEnumKind, |
129 "is_any_handle_kind": mojom.IsAnyHandleKind, | 128 "is_any_handle_kind": mojom.IsAnyHandleKind, |
130 "is_interface_kind": mojom.IsInterfaceKind, | 129 "is_interface_kind": mojom.IsInterfaceKind, |
131 "is_interface_request_kind": mojom.IsInterfaceRequestKind, | 130 "is_interface_request_kind": mojom.IsInterfaceRequestKind, |
132 "is_map_kind": mojom.IsMapKind, | 131 "is_map_kind": mojom.IsMapKind, |
133 "is_object_kind": mojom.IsObjectKind, | 132 "is_object_kind": mojom.IsObjectKind, |
134 "is_string_kind": mojom.IsStringKind, | 133 "is_string_kind": mojom.IsStringKind, |
135 "is_struct_kind": mojom.IsStructKind, | 134 "is_struct_kind": mojom.IsStructKind, |
136 "is_union_kind": mojom.IsUnionKind, | 135 "is_union_kind": mojom.IsUnionKind, |
137 "js_type": self._JavaScriptType, | 136 "js_type": self._JavaScriptType, |
138 "method_passes_associated_kinds": mojom.MethodPassesAssociatedKinds, | 137 "method_passes_associated_kinds": mojom.MethodPassesAssociatedKinds, |
139 "payload_size": JavaScriptPayloadSize, | 138 "payload_size": JavaScriptPayloadSize, |
140 "get_relative_path": GetRelativePath, | 139 "stylize_method": lambda x: generator.ToCamel(x, lower_initial=True), |
141 "stylize_method": generator.StudlyCapsToCamel, | 140 "to_camel": generator.ToCamel, |
142 "union_decode_snippet": self._JavaScriptUnionDecodeSnippet, | 141 "union_decode_snippet": self._JavaScriptUnionDecodeSnippet, |
143 "union_encode_snippet": self._JavaScriptUnionEncodeSnippet, | 142 "union_encode_snippet": self._JavaScriptUnionEncodeSnippet, |
144 "validate_array_params": self._JavaScriptValidateArrayParams, | 143 "validate_array_params": self._JavaScriptValidateArrayParams, |
145 "validate_enum_params": self._JavaScriptValidateEnumParams, | 144 "validate_enum_params": self._JavaScriptValidateEnumParams, |
146 "validate_map_params": self._JavaScriptValidateMapParams, | 145 "validate_map_params": self._JavaScriptValidateMapParams, |
147 "validate_nullable_params": self._JavaScriptNullableParam, | 146 "validate_nullable_params": self._JavaScriptNullableParam, |
148 "validate_struct_params": self._JavaScriptValidateStructParams, | 147 "validate_struct_params": self._JavaScriptValidateStructParams, |
149 "validate_union_params": self._JavaScriptValidateUnionParams, | 148 "validate_union_params": self._JavaScriptValidateUnionParams, |
150 } | 149 } |
151 return js_filters | 150 return js_filters |
152 | 151 |
153 @UseJinja("module.amd.tmpl") | 152 @UseJinja("module.amd.tmpl") |
154 def _GenerateAMDModule(self): | 153 def _GenerateAMDModule(self): |
155 return self._GetParameters() | 154 return self._GetParameters() |
156 | 155 |
157 def GenerateFiles(self, args): | 156 def GenerateFiles(self, args): |
158 if self.variant: | 157 if self.variant: |
159 raise Exception("Variants not supported in JavaScript bindings.") | 158 raise Exception("Variants not supported in JavaScript bindings.") |
160 | 159 |
| 160 # TODO(yzshen): Remove this method once the old JS bindings go away. |
| 161 self._SetUniqueNameForImports() |
| 162 |
161 self.Write(self._GenerateAMDModule(), | 163 self.Write(self._GenerateAMDModule(), |
162 self.MatchMojomFilePath("%s.js" % self.module.name)) | 164 self.MatchMojomFilePath("%s.js" % self.module.name)) |
163 | 165 |
164 def _GetImports(self): | 166 def _SetUniqueNameForImports(self): |
165 # TODO(yzshen): Remove this method once the old JS bindings go away. | |
166 used_names = set() | 167 used_names = set() |
167 for each_import in self.module.imports: | 168 for each_import in self.module.imports: |
168 simple_name = each_import.name.split(".")[0] | 169 simple_name = each_import.name.split(".")[0] |
169 | 170 |
170 # Since each import is assigned a variable in JS, they need to have unique | 171 # Since each import is assigned a variable in JS, they need to have unique |
171 # names. | 172 # names. |
172 unique_name = simple_name | 173 unique_name = simple_name |
173 counter = 0 | 174 counter = 0 |
174 while unique_name in used_names: | 175 while unique_name in used_names: |
175 counter += 1 | 176 counter += 1 |
176 unique_name = simple_name + str(counter) | 177 unique_name = simple_name + str(counter) |
177 | 178 |
178 used_names.add(unique_name) | 179 used_names.add(unique_name) |
179 each_import.unique_name = unique_name + "$" | 180 each_import.unique_name = unique_name + "$" |
180 counter += 1 | 181 counter += 1 |
181 return self.module.imports | |
182 | |
183 def _GetImportedInterfaces(self): | |
184 interface_to_import = {}; | |
185 for each_import in self.module.imports: | |
186 for each_interface in each_import.interfaces: | |
187 name = each_interface.name | |
188 interface_to_import[name] = each_import.unique_name + "." + name | |
189 return interface_to_import; | |
190 | 182 |
191 def _JavaScriptType(self, kind): | 183 def _JavaScriptType(self, kind): |
192 name = [] | 184 name = [] |
193 if kind.module and kind.module.path != self.module.path: | 185 if kind.module and kind.module.path != self.module.path: |
194 name.append(kind.module.unique_name) | 186 name.append(kind.module.unique_name) |
195 if kind.parent_kind: | 187 if kind.parent_kind: |
196 name.append(kind.parent_kind.name) | 188 name.append(kind.parent_kind.name) |
197 name.append(kind.name) | 189 name.append(kind.name) |
198 return ".".join(name) | 190 return ".".join(name) |
199 | 191 |
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374 token.value == "float.NEGATIVE_INFINITY": | 366 token.value == "float.NEGATIVE_INFINITY": |
375 return "-Infinity"; | 367 return "-Infinity"; |
376 if token.value == "double.NAN" or token.value == "float.NAN": | 368 if token.value == "double.NAN" or token.value == "float.NAN": |
377 return "NaN"; | 369 return "NaN"; |
378 | 370 |
379 return token | 371 return token |
380 | 372 |
381 def _ExpressionToText(self, value): | 373 def _ExpressionToText(self, value): |
382 return self._TranslateConstants(value) | 374 return self._TranslateConstants(value) |
383 | 375 |
| 376 def _GetStructsFromMethods(self): |
| 377 result = [] |
| 378 for interface in self.module.interfaces: |
| 379 for method in interface.methods: |
| 380 result.append(method.param_struct) |
| 381 if method.response_param_struct is not None: |
| 382 result.append(method.response_param_struct) |
| 383 return result |
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