1 // Copyright 2018 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_INTL_SUPPORT 6 #error Internationalization is expected to be enabled. 7 #endif // V8_INTL_SUPPORT 8 9 #ifndef V8_OBJECTS_JS_LOCALE_H_ 10 #define V8_OBJECTS_JS_LOCALE_H_ 11 12 #include "src/global-handles.h" 13 #include "src/heap/factory.h" 14 #include "src/isolate.h" 15 #include "src/objects.h" 16 #include "unicode/unistr.h" 17 18 // Has to be the last include (doesn't have include guards): 19 #include "src/objects/object-macros.h" 20 21 namespace v8 { 22 namespace internal { 23 24 class JSLocale : public JSObject { 25 public: 26 // Initializes locale object with properties derived from input locale string 27 // and options. 28 static MaybeHandle<JSLocale> InitializeLocale(Isolate* isolate, 29 Handle<JSLocale> locale_holder, 30 Handle<String> locale, 31 Handle<JSReceiver> options); 32 static Handle<String> Maximize(Isolate* isolate, String* locale); 33 static Handle<String> Minimize(Isolate* isolate, String* locale); 34 35 DECL_CAST(JSLocale) 36 37 // Locale accessors. 38 DECL_ACCESSORS(language, Object) 39 DECL_ACCESSORS(script, Object) 40 DECL_ACCESSORS(region, Object) 41 DECL_ACCESSORS(base_name, Object) 42 DECL_ACCESSORS(locale, String) 43 44 // Unicode extension accessors. 45 DECL_ACCESSORS(calendar, Object) 46 DECL_ACCESSORS(case_first, Object) 47 DECL_ACCESSORS(collation, Object) 48 DECL_ACCESSORS(hour_cycle, Object) 49 DECL_ACCESSORS(numeric, Object) 50 DECL_ACCESSORS(numbering_system, Object) 51 52 DECL_PRINTER(JSLocale) 53 DECL_VERIFIER(JSLocale) 54 55 // Layout description. 56 static const int kJSLocaleOffset = JSObject::kHeaderSize; 57 // Locale fields. 58 static const int kLanguageOffset = kJSLocaleOffset + kPointerSize; 59 static const int kScriptOffset = kLanguageOffset + kPointerSize; 60 static const int kRegionOffset = kScriptOffset + kPointerSize; 61 static const int kBaseNameOffset = kRegionOffset + kPointerSize; 62 static const int kLocaleOffset = kBaseNameOffset + kPointerSize; 63 // Unicode extension fields. 64 static const int kCalendarOffset = kLocaleOffset + kPointerSize; 65 static const int kCaseFirstOffset = kCalendarOffset + kPointerSize; 66 static const int kCollationOffset = kCaseFirstOffset + kPointerSize; 67 static const int kHourCycleOffset = kCollationOffset + kPointerSize; 68 static const int kNumericOffset = kHourCycleOffset + kPointerSize; 69 static const int kNumberingSystemOffset = kNumericOffset + kPointerSize; 70 // Final size. 71 static const int kSize = kNumberingSystemOffset + kPointerSize; 72 73 private: 74 DISALLOW_IMPLICIT_CONSTRUCTORS(JSLocale); 75 }; 76 77 } // namespace internal 78 } // namespace v8 79 80 #include "src/objects/object-macros-undef.h" 81 82 #endif // V8_OBJECTS_JS_LOCALE_H_ 83