example/simple/generated_bindings.dart

// AUTO GENERATED FILE, DO NOT EDIT.
//
// Generated by `package:ffigen`.
import 'dart:ffi' as ffi;

/// Bindings to `headers/example.h`.
class NativeLibrary {
  /// Holds the symbol lookup function.
  final ffi.Pointer<T> Function<T extends ffi.NativeType>(String symbolName)
      _lookup;

  /// The symbols are looked up in [dynamicLibrary].
  NativeLibrary(ffi.DynamicLibrary dynamicLibrary)
      : _lookup = dynamicLibrary.lookup;

  /// The symbols are looked up with [lookup].
  NativeLibrary.fromLookup(
      ffi.Pointer<T> Function<T extends ffi.NativeType>(String symbolName)
          lookup)
      : _lookup = lookup;

  /// Adds 2 integers.
  int sum(
    int a,
    int b,
  ) {
    return (_sum ??=
        _lookup<ffi.NativeFunction<_c_sum>>('sum').asFunction<_dart_sum>())(
      a,
      b,
    );
  }

  _dart_sum? _sum;

  /// Subtracts 2 integers.
  int subtract(
    ffi.Pointer<ffi.Int32> a,
    int b,
  ) {
    return (_subtract ??= _lookup<ffi.NativeFunction<_c_subtract>>('subtract')
        .asFunction<_dart_subtract>())(
      a,
      b,
    );
  }

  _dart_subtract? _subtract;

  /// Multiplies 2 integers, returns pointer to an integer,.
  ffi.Pointer<ffi.Int32> multiply(
    int a,
    int b,
  ) {
    return (_multiply ??= _lookup<ffi.NativeFunction<_c_multiply>>('multiply')
        .asFunction<_dart_multiply>())(
      a,
      b,
    );
  }

  _dart_multiply? _multiply;

  /// Divides 2 integers, returns pointer to a float.
  ffi.Pointer<ffi.Float> divide(
    int a,
    int b,
  ) {
    return (_divide ??= _lookup<ffi.NativeFunction<_c_divide>>('divide')
        .asFunction<_dart_divide>())(
      a,
      b,
    );
  }

  _dart_divide? _divide;

  /// Divides 2 floats, returns a pointer to double.
  ffi.Pointer<ffi.Double> dividePercision(
    ffi.Pointer<ffi.Float> a,
    ffi.Pointer<ffi.Float> b,
  ) {
    return (_dividePercision ??=
        _lookup<ffi.NativeFunction<_c_dividePercision>>('dividePercision')
            .asFunction<_dart_dividePercision>())(
      a,
      b,
    );
  }

  _dart_dividePercision? _dividePercision;
}

typedef _c_sum = ffi.Int32 Function(
  ffi.Int32 a,
  ffi.Int32 b,
);

typedef _dart_sum = int Function(
  int a,
  int b,
);

typedef _c_subtract = ffi.Int32 Function(
  ffi.Pointer<ffi.Int32> a,
  ffi.Int32 b,
);

typedef _dart_subtract = int Function(
  ffi.Pointer<ffi.Int32> a,
  int b,
);

typedef _c_multiply = ffi.Pointer<ffi.Int32> Function(
  ffi.Int32 a,
  ffi.Int32 b,
);

typedef _dart_multiply = ffi.Pointer<ffi.Int32> Function(
  int a,
  int b,
);

typedef _c_divide = ffi.Pointer<ffi.Float> Function(
  ffi.Int32 a,
  ffi.Int32 b,
);

typedef _dart_divide = ffi.Pointer<ffi.Float> Function(
  int a,
  int b,
);

typedef _c_dividePercision = ffi.Pointer<ffi.Double> Function(
  ffi.Pointer<ffi.Float> a,
  ffi.Pointer<ffi.Float> b,
);

typedef _dart_dividePercision = ffi.Pointer<ffi.Double> Function(
  ffi.Pointer<ffi.Float> a,
  ffi.Pointer<ffi.Float> b,
);