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// Copyright (c) 2022, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'package:ffigen/src/code_generator.dart';
import 'writer.dart';
enum SupportedNativeType {
Void,
Char,
Int8,
Int16,
Int32,
Int64,
Uint8,
Uint16,
Uint32,
Uint64,
Float,
Double,
IntPtr,
UintPtr,
}
/// Represents a primitive native type, such as float.
class NativeType extends Type {
static const _primitives = <SupportedNativeType, NativeType>{
SupportedNativeType.Void: NativeType._('Void', 'void', null),
SupportedNativeType.Char: NativeType._('Uint8', 'int', '0'),
SupportedNativeType.Int8: NativeType._('Int8', 'int', '0'),
SupportedNativeType.Int16: NativeType._('Int16', 'int', '0'),
SupportedNativeType.Int32: NativeType._('Int32', 'int', '0'),
SupportedNativeType.Int64: NativeType._('Int64', 'int', '0'),
SupportedNativeType.Uint8: NativeType._('Uint8', 'int', '0'),
SupportedNativeType.Uint16: NativeType._('Uint16', 'int', '0'),
SupportedNativeType.Uint32: NativeType._('Uint32', 'int', '0'),
SupportedNativeType.Uint64: NativeType._('Uint64', 'int', '0'),
SupportedNativeType.Float: NativeType._('Float', 'double', '0.0'),
SupportedNativeType.Double: NativeType._('Double', 'double', '0.0'),
SupportedNativeType.IntPtr: NativeType._('IntPtr', 'int', '0'),
SupportedNativeType.UintPtr: NativeType._('UintPtr', 'int', '0'),
};
final String _cType;
final String _dartType;
final String? _defaultValue;
const NativeType._(this._cType, this._dartType, this._defaultValue);
factory NativeType(SupportedNativeType type) => _primitives[type]!;
@override
String getCType(Writer w) => '${w.ffiLibraryPrefix}.$_cType';
@override
String getFfiDartType(Writer w) => _dartType;
@override
bool get sameFfiDartAndCType => _cType == _dartType;
@override
String toString() => _cType;
@override
String cacheKey() => _cType;
@override
String? getDefaultValue(Writer w, String nativeLib) => _defaultValue;
}
class BooleanType extends NativeType {
const BooleanType._() : super._('Bool', 'bool', 'false');
static const _boolean = BooleanType._();
factory BooleanType() => _boolean;
@override
String toString() => 'bool';
@override
String cacheKey() => 'bool';
}