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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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187 | 187 |
188 private: | 188 private: |
189 friend class AstValueFactory; | 189 friend class AstValueFactory; |
190 | 190 |
191 enum Type { | 191 enum Type { |
192 STRING, | 192 STRING, |
193 SYMBOL, | 193 SYMBOL, |
194 NUMBER, | 194 NUMBER, |
195 SMI, | 195 SMI, |
196 BOOLEAN, | 196 BOOLEAN, |
197 STRING_ARRAY, | |
198 NULL_TYPE, | 197 NULL_TYPE, |
199 UNDEFINED, | 198 UNDEFINED, |
200 THE_HOLE | 199 THE_HOLE |
201 }; | 200 }; |
202 | 201 |
203 explicit AstValue(const AstRawString* s) : type_(STRING) { string_ = s; } | 202 explicit AstValue(const AstRawString* s) : type_(STRING) { string_ = s; } |
204 | 203 |
205 explicit AstValue(const char* name) : type_(SYMBOL) { symbol_name_ = name; } | 204 explicit AstValue(const char* name) : type_(SYMBOL) { symbol_name_ = name; } |
206 | 205 |
207 explicit AstValue(double n) : type_(NUMBER) { number_ = n; } | 206 explicit AstValue(double n) : type_(NUMBER) { number_ = n; } |
208 | 207 |
209 AstValue(Type t, int i) : type_(t) { | 208 AstValue(Type t, int i) : type_(t) { |
210 DCHECK(type_ == SMI); | 209 DCHECK(type_ == SMI); |
211 smi_ = i; | 210 smi_ = i; |
212 } | 211 } |
213 | 212 |
214 explicit AstValue(bool b) : type_(BOOLEAN) { bool_ = b; } | 213 explicit AstValue(bool b) : type_(BOOLEAN) { bool_ = b; } |
215 | 214 |
216 explicit AstValue(ZoneList<const AstRawString*>* s) : type_(STRING_ARRAY) { | |
217 strings_ = s; | |
218 } | |
219 | |
220 explicit AstValue(Type t) : type_(t) { | 215 explicit AstValue(Type t) : type_(t) { |
221 DCHECK(t == NULL_TYPE || t == UNDEFINED || t == THE_HOLE); | 216 DCHECK(t == NULL_TYPE || t == UNDEFINED || t == THE_HOLE); |
222 } | 217 } |
223 | 218 |
224 Type type_; | 219 Type type_; |
225 | 220 |
226 // Uninternalized value. | 221 // Uninternalized value. |
227 union { | 222 union { |
228 const AstRawString* string_; | 223 const AstRawString* string_; |
229 double number_; | 224 double number_; |
230 int smi_; | 225 int smi_; |
231 bool bool_; | 226 bool bool_; |
232 ZoneList<const AstRawString*>* strings_; | 227 ZoneList<const AstRawString*>* strings_; |
233 const char* symbol_name_; | 228 const char* symbol_name_; |
234 }; | 229 }; |
235 | 230 |
236 // Internalized value (empty before internalized). | 231 // Internalized value (empty before internalized). |
237 Handle<Object> value_; | 232 Handle<Object> value_; |
238 }; | 233 }; |
239 | 234 |
240 | 235 |
241 // For generating constants. | 236 // For generating constants. |
242 #define STRING_CONSTANTS(F) \ | 237 #define STRING_CONSTANTS(F) \ |
243 F(anonymous_function, "(anonymous function)") \ | 238 F(anonymous_function, "(anonymous function)") \ |
244 F(arguments, "arguments") \ | 239 F(arguments, "arguments") \ |
245 F(constructor, "constructor") \ | 240 F(constructor, "constructor") \ |
246 F(done, "done") \ | 241 F(done, "done") \ |
247 F(dot, ".") \ | 242 F(dot, ".") \ |
248 F(dot_for, ".for") \ | 243 F(dot_for, ".for") \ |
249 F(dot_generator, ".generator") \ | 244 F(dot_generator, ".generator") \ |
250 F(dot_generator_object, ".generator_object") \ | 245 F(dot_generator_object, ".generator_object") \ |
251 F(dot_iterator, ".iterator") \ | 246 F(dot_iterator, ".iterator") \ |
252 F(dot_module, ".module") \ | 247 F(dot_module, ".module") \ |
253 F(dot_result, ".result") \ | 248 F(dot_result, ".result") \ |
254 F(empty, "") \ | 249 F(empty, "") \ |
255 F(eval, "eval") \ | 250 F(eval, "eval") \ |
256 F(initialize_const_global, "initializeConstGlobal") \ | 251 F(initialize_const_global, "initializeConstGlobal") \ |
257 F(initialize_var_global, "initializeVarGlobal") \ | 252 F(initialize_var_global, "initializeVarGlobal") \ |
258 F(make_reference_error, "MakeReferenceError") \ | 253 F(make_reference_error, "MakeReferenceErrorEmbedded") \ |
259 F(make_syntax_error, "MakeSyntaxError") \ | 254 F(make_syntax_error, "MakeSyntaxErrorEmbedded") \ |
260 F(make_type_error, "MakeTypeError") \ | 255 F(make_type_error, "MakeTypeErrorEmbedded") \ |
261 F(module, "module") \ | 256 F(module, "module") \ |
262 F(native, "native") \ | 257 F(native, "native") \ |
263 F(next, "next") \ | 258 F(next, "next") \ |
264 F(proto, "__proto__") \ | 259 F(proto, "__proto__") \ |
265 F(prototype, "prototype") \ | 260 F(prototype, "prototype") \ |
266 F(this, "this") \ | 261 F(this, "this") \ |
267 F(use_asm, "use asm") \ | 262 F(use_asm, "use asm") \ |
268 F(use_strict, "use strict") \ | 263 F(use_strict, "use strict") \ |
269 F(value, "value") | 264 F(value, "value") |
270 | 265 |
271 #define OTHER_CONSTANTS(F) \ | 266 #define OTHER_CONSTANTS(F) \ |
272 F(true_value) \ | 267 F(true_value) \ |
273 F(false_value) \ | 268 F(false_value) \ |
274 F(null_value) \ | 269 F(null_value) \ |
275 F(undefined_value) \ | 270 F(undefined_value) \ |
276 F(the_hole_value) | 271 F(the_hole_value) |
277 | 272 |
278 class AstValueFactory { | 273 class AstValueFactory { |
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358 | 353 |
359 bool AstRawString::IsArguments(AstValueFactory* ast_value_factory) const { | 354 bool AstRawString::IsArguments(AstValueFactory* ast_value_factory) const { |
360 return ast_value_factory->arguments_string() == this; | 355 return ast_value_factory->arguments_string() == this; |
361 } | 356 } |
362 } } // namespace v8::internal | 357 } } // namespace v8::internal |
363 | 358 |
364 #undef STRING_CONSTANTS | 359 #undef STRING_CONSTANTS |
365 #undef OTHER_CONSTANTS | 360 #undef OTHER_CONSTANTS |
366 | 361 |
367 #endif // V8_AST_VALUE_FACTORY_H_ | 362 #endif // V8_AST_VALUE_FACTORY_H_ |
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