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89 changes: 89 additions & 0 deletions
89
pkgs/swift2objc/lib/src/parser/parsers/declaration_parsers/parse_property_declaration.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| import '../../../ast/_core/interfaces/declaration.dart'; | ||
| import '../../../ast/_core/shared/referred_type.dart'; | ||
| import '../../../ast/declarations/compounds/class_declaration.dart'; | ||
| import '../../_core/json.dart'; | ||
| import '../../_core/parsed_symbolgraph.dart'; | ||
| import '../../_core/utils.dart'; | ||
| import '../parse_declarations.dart'; | ||
|
|
||
| ClassPropertyDeclaration parsePropertyDeclaration( | ||
| Json propertySymbolJson, | ||
| ParsedSymbolgraph symbolgraph, | ||
| ) { | ||
| return ClassPropertyDeclaration( | ||
| id: parseSymbolId(propertySymbolJson), | ||
| name: parseSymbolName(propertySymbolJson), | ||
| type: _parsePropertyType(propertySymbolJson, symbolgraph), | ||
| hasObjCAnnotation: symbolHasObjcAnnotation(propertySymbolJson), | ||
| hasSetter: _propertyHasSetter(propertySymbolJson), | ||
| ); | ||
| } | ||
|
|
||
| ReferredType _parsePropertyType( | ||
| Json propertySymbolJson, | ||
| ParsedSymbolgraph symbolgraph, | ||
| ) { | ||
| final subHeadings = propertySymbolJson['names']['subHeading']; | ||
|
|
||
| final typeSymbolJson = | ||
| subHeadings.firstJsonWhereKey('kind', 'typeIdentifier'); | ||
| final typeSymbolId = typeSymbolJson['preciseIdentifier'].get<String>(); | ||
| final typeSymbol = symbolgraph.symbols[typeSymbolId]; | ||
|
|
||
| if (typeSymbol == null) { | ||
| throw Exception( | ||
| 'The property at path "${propertySymbolJson.path}" has a return type ' | ||
| 'that does not exist among parsed symbols.', | ||
| ); | ||
| } | ||
|
|
||
| final typeDeclaration = parseDeclaration( | ||
| typeSymbol, | ||
| symbolgraph, | ||
| ); | ||
|
|
||
| return typeDeclaration.asDeclaredType; | ||
| } | ||
|
|
||
| bool _propertyHasSetter(Json propertySymbolJson) { | ||
| final fragmentsJson = propertySymbolJson['declarationFragments']; | ||
|
|
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| final declarationKeywordJson = fragmentsJson.firstWhere( | ||
| (json) { | ||
| if (json['kind'].get<String>() != 'keyword') return false; | ||
|
|
||
| final keyword = json['spelling'].get<String>(); | ||
| if (keyword != 'var' && keyword != 'let') return false; | ||
|
|
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| return true; | ||
| }, | ||
| orElse: () => throw ArgumentError( | ||
| 'Invalid property declaration fragments at path: ${fragmentsJson.path}. ' | ||
| 'Expected to find "var" or "let" as a keyword, found none', | ||
| ), | ||
| ); | ||
|
|
||
| final declarationKeyword = declarationKeywordJson['spelling'].get<String>(); | ||
|
|
||
| if (declarationKeyword == 'var') { | ||
| final hasExplicitSetter = fragmentsJson.any( | ||
| (json) => json['spelling'].get<String>() == 'set', | ||
| ); | ||
|
|
||
| final hasExplicitGetter = fragmentsJson.any( | ||
| (json) => json['spelling'].get<String>() == 'get', | ||
| ); | ||
|
|
||
| if (hasExplicitGetter) { | ||
| if (hasExplicitSetter) { | ||
| return true; | ||
| } else { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| return true; | ||
| } | ||
|
|
||
| return false; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| import '../../ast/_core/interfaces/declaration.dart'; | ||
| import '../../ast/_core/shared/referred_type.dart'; | ||
| import '../../ast/declarations/compounds/class_declaration.dart'; | ||
| import '../transform.dart'; | ||
| import 'unique_namer.dart'; | ||
|
|
||
| (String value, ReferredType type) maybeWrapValue( | ||
| ReferredType type, | ||
| String valueIdentifier, | ||
| UniqueNamer globalNamer, | ||
| TransformationMap transformationMap, | ||
| ) { | ||
| if (type is GenericType) { | ||
| throw UnimplementedError('Generic types are not implemented yet'); | ||
| } | ||
|
|
||
| type as DeclaredType; | ||
|
|
||
| if (type.isObjCRepresentable) { | ||
| return (valueIdentifier, type); | ||
| } | ||
|
|
||
| final transformedTypeDeclaration = transformDeclaration( | ||
| type.declaration, | ||
| globalNamer, | ||
| transformationMap, | ||
| ); | ||
|
|
||
| return ( | ||
| '${transformedTypeDeclaration.name}($valueIdentifier)', | ||
| transformedTypeDeclaration.asDeclaredType | ||
| ); | ||
| } | ||
|
|
||
| (String value, ReferredType type) maybeUnwrapValue( | ||
| ReferredType type, | ||
| String valueIdentifier, | ||
| ) { | ||
| if (type is GenericType) { | ||
| throw UnimplementedError('Generic types are not implemented yet'); | ||
| } | ||
|
|
||
| final declaration = (type as DeclaredType).declaration; | ||
|
|
||
| if (declaration is ClassDeclaration && declaration.wrappedInstance != null) { | ||
| final wrappedInstance = declaration.wrappedInstance; | ||
| return ('$valueIdentifier.${wrappedInstance!.name}', wrappedInstance.type); | ||
| } else { | ||
| return (valueIdentifier, type); | ||
| } | ||
| } |
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