Feng Xiao | e841bac | 2015-12-11 17:09:20 -0800 | [diff] [blame] | 1 | // Protocol Buffers - Google's data interchange format |
| 2 | // Copyright 2008 Google Inc. All rights reserved. |
| 3 | // https://developers.google.com/protocol-buffers/ |
| 4 | // |
| 5 | // Redistribution and use in source and binary forms, with or without |
| 6 | // modification, are permitted provided that the following conditions are |
| 7 | // met: |
| 8 | // |
| 9 | // * Redistributions of source code must retain the above copyright |
| 10 | // notice, this list of conditions and the following disclaimer. |
| 11 | // * Redistributions in binary form must reproduce the above |
| 12 | // copyright notice, this list of conditions and the following disclaimer |
| 13 | // in the documentation and/or other materials provided with the |
| 14 | // distribution. |
| 15 | // * Neither the name of Google Inc. nor the names of its |
| 16 | // contributors may be used to endorse or promote products derived from |
| 17 | // this software without specific prior written permission. |
| 18 | // |
| 19 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 22 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 23 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 24 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 25 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 29 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | |
| 31 | #ifndef GOOGLE_PROTOBUF_COMPILER_JS_GENERATOR_H__ |
| 32 | #define GOOGLE_PROTOBUF_COMPILER_JS_GENERATOR_H__ |
| 33 | |
| 34 | #include <string> |
| 35 | #include <set> |
| 36 | |
| 37 | #include <google/protobuf/compiler/code_generator.h> |
| 38 | |
| 39 | namespace google { |
| 40 | namespace protobuf { |
| 41 | |
| 42 | class Descriptor; |
| 43 | class EnumDescriptor; |
| 44 | class FieldDescriptor; |
| 45 | class OneofDescriptor; |
| 46 | class FileDescriptor; |
| 47 | |
| 48 | namespace io { class Printer; } |
| 49 | |
| 50 | namespace compiler { |
| 51 | namespace js { |
| 52 | |
| 53 | struct GeneratorOptions { |
| 54 | // Add a `goog.requires()` call for each enum type used. If not set, a forward |
| 55 | // declaration with `goog.forwardDeclare` is produced instead. |
| 56 | bool add_require_for_enums; |
| 57 | // Set this as a test-only module via `goog.setTestOnly();`. |
| 58 | bool testonly; |
| 59 | // Output path. |
| 60 | string output_dir; |
| 61 | // Namespace prefix. |
| 62 | string namespace_prefix; |
| 63 | // Create a library with name <name>_lib.js rather than a separate .js file |
| 64 | // per type? |
| 65 | string library; |
| 66 | // Error if there are two types that would generate the same output file? |
| 67 | bool error_on_name_conflict; |
| 68 | // Enable binary-format support? |
| 69 | bool binary; |
Josh Haberman | 55cc3aa | 2016-02-02 15:18:34 -0800 | [diff] [blame] | 70 | // What style of imports should be used. |
| 71 | enum ImportStyle { |
| 72 | IMPORT_CLOSURE, // goog.require() |
| 73 | IMPORT_COMMONJS, // require() |
| 74 | IMPORT_BROWSER, // no import statements |
| 75 | IMPORT_ES6, // import { member } from '' |
| 76 | } import_style; |
Feng Xiao | e841bac | 2015-12-11 17:09:20 -0800 | [diff] [blame] | 77 | |
| 78 | GeneratorOptions() |
| 79 | : add_require_for_enums(false), |
| 80 | testonly(false), |
| 81 | output_dir("."), |
| 82 | namespace_prefix(""), |
| 83 | library(""), |
| 84 | error_on_name_conflict(false), |
Josh Haberman | 55cc3aa | 2016-02-02 15:18:34 -0800 | [diff] [blame] | 85 | binary(false), |
| 86 | import_style(IMPORT_CLOSURE) {} |
Feng Xiao | e841bac | 2015-12-11 17:09:20 -0800 | [diff] [blame] | 87 | |
| 88 | bool ParseFromOptions( |
| 89 | const vector< pair< string, string > >& options, |
| 90 | string* error); |
| 91 | }; |
| 92 | |
| 93 | class LIBPROTOC_EXPORT Generator : public CodeGenerator { |
| 94 | public: |
| 95 | Generator() {} |
| 96 | virtual ~Generator() {} |
| 97 | |
| 98 | virtual bool Generate(const FileDescriptor* file, |
| 99 | const string& parameter, |
| 100 | GeneratorContext* context, |
| 101 | string* error) const { |
| 102 | *error = "Unimplemented Generate() method. Call GenerateAll() instead."; |
| 103 | return false; |
| 104 | } |
| 105 | |
| 106 | virtual bool HasGenerateAll() const { return true; } |
| 107 | |
| 108 | virtual bool GenerateAll(const vector<const FileDescriptor*>& files, |
| 109 | const string& parameter, |
| 110 | GeneratorContext* context, |
| 111 | string* error) const; |
| 112 | |
| 113 | private: |
| 114 | void GenerateHeader(const GeneratorOptions& options, |
| 115 | io::Printer* printer) const; |
| 116 | |
| 117 | // Generate goog.provides() calls. |
| 118 | void FindProvides(const GeneratorOptions& options, |
| 119 | io::Printer* printer, |
| 120 | const vector<const FileDescriptor*>& file, |
| 121 | std::set<string>* provided) const; |
Josh Haberman | 55cc3aa | 2016-02-02 15:18:34 -0800 | [diff] [blame] | 122 | void FindProvidesForFile(const GeneratorOptions& options, |
| 123 | io::Printer* printer, |
| 124 | const FileDescriptor* file, |
| 125 | std::set<string>* provided) const; |
Feng Xiao | e841bac | 2015-12-11 17:09:20 -0800 | [diff] [blame] | 126 | void FindProvidesForMessage(const GeneratorOptions& options, |
| 127 | io::Printer* printer, |
| 128 | const Descriptor* desc, |
| 129 | std::set<string>* provided) const; |
| 130 | void FindProvidesForEnum(const GeneratorOptions& options, |
| 131 | io::Printer* printer, |
| 132 | const EnumDescriptor* enumdesc, |
| 133 | std::set<string>* provided) const; |
| 134 | // For extension fields at file scope. |
| 135 | void FindProvidesForFields(const GeneratorOptions& options, |
| 136 | io::Printer* printer, |
| 137 | const vector<const FieldDescriptor*>& fields, |
| 138 | std::set<string>* provided) const; |
| 139 | // Print the goog.provides() found by the methods above. |
| 140 | void GenerateProvides(const GeneratorOptions& options, |
| 141 | io::Printer* printer, |
| 142 | std::set<string>* provided) const; |
| 143 | |
| 144 | // Generate goog.setTestOnly() if indicated. |
| 145 | void GenerateTestOnly(const GeneratorOptions& options, |
| 146 | io::Printer* printer) const; |
| 147 | |
| 148 | // Generate goog.requires() calls. |
Jisi Liu | 3b3c8ab | 2016-03-30 11:39:59 -0700 | [diff] [blame] | 149 | void GenerateRequiresForLibrary(const GeneratorOptions& options, |
| 150 | io::Printer* printer, |
| 151 | const vector<const FileDescriptor*>& files, |
| 152 | std::set<string>* provided) const; |
| 153 | void GenerateRequiresForMessage(const GeneratorOptions& options, |
Feng Xiao | e841bac | 2015-12-11 17:09:20 -0800 | [diff] [blame] | 154 | io::Printer* printer, |
| 155 | const Descriptor* desc, |
| 156 | std::set<string>* provided) const; |
| 157 | // For extension fields at file scope. |
Jisi Liu | 3b3c8ab | 2016-03-30 11:39:59 -0700 | [diff] [blame] | 158 | void GenerateRequiresForExtensions( |
| 159 | const GeneratorOptions& options, io::Printer* printer, |
| 160 | const vector<const FieldDescriptor*>& fields, |
| 161 | std::set<string>* provided) const; |
Feng Xiao | e841bac | 2015-12-11 17:09:20 -0800 | [diff] [blame] | 162 | void GenerateRequiresImpl(const GeneratorOptions& options, |
| 163 | io::Printer* printer, |
| 164 | std::set<string>* required, |
| 165 | std::set<string>* forwards, |
| 166 | std::set<string>* provided, |
| 167 | bool require_jspb, |
| 168 | bool require_extension) const; |
| 169 | void FindRequiresForMessage(const GeneratorOptions& options, |
| 170 | const Descriptor* desc, |
| 171 | std::set<string>* required, |
| 172 | std::set<string>* forwards, |
| 173 | bool* have_message) const; |
| 174 | void FindRequiresForField(const GeneratorOptions& options, |
| 175 | const FieldDescriptor* field, |
| 176 | std::set<string>* required, |
| 177 | std::set<string>* forwards) const; |
| 178 | void FindRequiresForExtension(const GeneratorOptions& options, |
| 179 | const FieldDescriptor* field, |
| 180 | std::set<string>* required, |
| 181 | std::set<string>* forwards) const; |
| 182 | |
Josh Haberman | 55cc3aa | 2016-02-02 15:18:34 -0800 | [diff] [blame] | 183 | void GenerateFile(const GeneratorOptions& options, |
| 184 | io::Printer* printer, |
| 185 | const FileDescriptor* file) const; |
| 186 | |
Feng Xiao | e841bac | 2015-12-11 17:09:20 -0800 | [diff] [blame] | 187 | // Generate definitions for all message classes and enums in all files, |
| 188 | // processing the files in dependence order. |
| 189 | void GenerateFilesInDepOrder(const GeneratorOptions& options, |
| 190 | io::Printer* printer, |
| 191 | const vector<const FileDescriptor*>& file) const; |
| 192 | // Helper for above. |
| 193 | void GenerateFileAndDeps(const GeneratorOptions& options, |
| 194 | io::Printer* printer, |
| 195 | const FileDescriptor* root, |
| 196 | std::set<const FileDescriptor*>* all_files, |
| 197 | std::set<const FileDescriptor*>* generated) const; |
| 198 | |
| 199 | // Generate definitions for all message classes and enums. |
| 200 | void GenerateClassesAndEnums(const GeneratorOptions& options, |
| 201 | io::Printer* printer, |
| 202 | const FileDescriptor* file) const; |
| 203 | |
| 204 | // Generate definition for one class. |
| 205 | void GenerateClass(const GeneratorOptions& options, |
| 206 | io::Printer* printer, |
| 207 | const Descriptor* desc) const; |
| 208 | void GenerateClassConstructor(const GeneratorOptions& options, |
| 209 | io::Printer* printer, |
| 210 | const Descriptor* desc) const; |
| 211 | void GenerateClassFieldInfo(const GeneratorOptions& options, |
| 212 | io::Printer* printer, |
| 213 | const Descriptor* desc) const; |
| 214 | void GenerateClassXid(const GeneratorOptions& options, |
| 215 | io::Printer* printer, |
| 216 | const Descriptor* desc) const; |
| 217 | void GenerateOneofCaseDefinition(const GeneratorOptions& options, |
| 218 | io::Printer* printer, |
| 219 | const OneofDescriptor* oneof) const; |
| 220 | void GenerateClassToObject(const GeneratorOptions& options, |
| 221 | io::Printer* printer, |
| 222 | const Descriptor* desc) const; |
| 223 | void GenerateClassFieldToObject(const GeneratorOptions& options, |
| 224 | io::Printer* printer, |
| 225 | const FieldDescriptor* field) const; |
| 226 | void GenerateClassFromObject(const GeneratorOptions& options, |
| 227 | io::Printer* printer, |
| 228 | const Descriptor* desc) const; |
| 229 | void GenerateClassFieldFromObject(const GeneratorOptions& options, |
| 230 | io::Printer* printer, |
| 231 | const FieldDescriptor* field) const; |
| 232 | void GenerateClassClone(const GeneratorOptions& options, |
| 233 | io::Printer* printer, |
| 234 | const Descriptor* desc) const; |
| 235 | void GenerateClassRegistration(const GeneratorOptions& options, |
| 236 | io::Printer* printer, |
| 237 | const Descriptor* desc) const; |
| 238 | void GenerateClassFields(const GeneratorOptions& options, |
| 239 | io::Printer* printer, |
| 240 | const Descriptor* desc) const; |
| 241 | void GenerateClassField(const GeneratorOptions& options, |
| 242 | io::Printer* printer, |
| 243 | const FieldDescriptor* desc) const; |
| 244 | void GenerateClassExtensionFieldInfo(const GeneratorOptions& options, |
| 245 | io::Printer* printer, |
| 246 | const Descriptor* desc) const; |
| 247 | void GenerateClassDeserialize(const GeneratorOptions& options, |
| 248 | io::Printer* printer, |
| 249 | const Descriptor* desc) const; |
| 250 | void GenerateClassDeserializeBinary(const GeneratorOptions& options, |
| 251 | io::Printer* printer, |
| 252 | const Descriptor* desc) const; |
| 253 | void GenerateClassDeserializeBinaryField(const GeneratorOptions& options, |
| 254 | io::Printer* printer, |
| 255 | const FieldDescriptor* field) const; |
| 256 | void GenerateClassSerializeBinary(const GeneratorOptions& options, |
| 257 | io::Printer* printer, |
| 258 | const Descriptor* desc) const; |
| 259 | void GenerateClassSerializeBinaryField(const GeneratorOptions& options, |
| 260 | io::Printer* printer, |
| 261 | const FieldDescriptor* field) const; |
| 262 | |
| 263 | // Generate definition for one enum. |
| 264 | void GenerateEnum(const GeneratorOptions& options, |
| 265 | io::Printer* printer, |
| 266 | const EnumDescriptor* enumdesc) const; |
| 267 | |
| 268 | // Generate an extension definition. |
| 269 | void GenerateExtension(const GeneratorOptions& options, |
| 270 | io::Printer* printer, |
| 271 | const FieldDescriptor* field) const; |
| 272 | |
| 273 | GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Generator); |
| 274 | }; |
| 275 | |
| 276 | } // namespace js |
| 277 | } // namespace compiler |
| 278 | } // namespace protobuf |
| 279 | |
| 280 | } // namespace google |
| 281 | #endif // GOOGLE_PROTOBUF_COMPILER_JS_GENERATOR_H__ |