dart:ffi library

Foreign Function Interface for interoperability with the C programming language.

For further details, please see: https://dart.dev/server/c-interop

Classes

Allocator

Manages memory on the native heap.

Dart_CObject

Opaque, not exposing it's members.

DartRepresentationOf

Double

Represents a native 64 bit double in C. [...]

DynamicLibrary

Represents a dynamically loaded C library.

Float

Represents a native 32 bit float in C. [...]

Handle

Represents Dart_Handle in C. [...]

Int8

Represents a native signed 8 bit integer in C. [...]

Int16

Represents a native signed 16 bit integer in C. [...]

Int32

Represents a native signed 32 bit integer in C. [...]

Int64

Represents a native signed 64 bit integer in C. [...]

IntPtr

Represents a native pointer-sized integer in C. [...]

NativeApi

Utilities for accessing the Dart VM API from Dart code or from C code via dart_api_dl.h.

NativeFunction<T extends Function>

Represents a function type in C. [...]

NativeType

NativeType's subtypes represent a native type in C. [...]

Opaque

Opaque's subtypes represent opaque types in C. [...]

Pointer<T extends NativeType>

Represents a pointer into the native C memory. Cannot be extended.

Struct

The supertype of all FFI struct types. [...]

Uint8

Represents a native unsigned 8 bit integer in C. [...]

Uint16

Represents a native unsigned 16 bit integer in C. [...]

Uint32

Represents a native unsigned 32 bit integer in C. [...]

Uint64

Represents a native unsigned 64 bit integer in C. [...]

Unsized

Void

Represents a void type in C. [...]

Extensions

AllocatorAlloc

Extension on Allocator to provide allocation with NativeType.

DoublePointer

Extension on Pointer specialized for the type argument Double.

DynamicLibraryExtension

Methods which cannot be invoked dynamically.

FloatPointer

Extension on Pointer specialized for the type argument Float.

Int8Pointer

Extension on Pointer specialized for the type argument Int8.

Int16Pointer

Extension on Pointer specialized for the type argument Int16.

Int32Pointer

Extension on Pointer specialized for the type argument Int32.

Int64Pointer

Extension on Pointer specialized for the type argument Int64.

IntPtrPointer

Extension on Pointer specialized for the type argument IntPtr.

NativeFunctionPointer

Extension on Pointer specialized for the type argument NativeFunction.

NativePort

Extension to retrieve the native Dart_Port from a SendPort.

PointerPointer

Extension on Pointer specialized for the type argument Pointer.

StructAddressOf

Extension on Struct specialized for its subtypes.

StructPointer

Extension on Pointer specialized for the type argument Struct.

Uint8Pointer

Extension on Pointer specialized for the type argument Uint8.

Uint16Pointer

Extension on Pointer specialized for the type argument Uint16.

Uint32Pointer

Extension on Pointer specialized for the type argument Uint32.

Uint64Pointer

Extension on Pointer specialized for the type argument Uint64.

Constants

unsized → const Unsized

This NativeType does not have predefined size. [...]

const Unsized()

Properties

nullptr → Pointer<Never>

final

Represents a pointer into the native C memory corresponding to "NULL", e.g. a pointer with address 0.

Functions

sizeOf<T extends NativeType>() → int

Number of bytes used by native type T. [...]

Typedefs

Dart_NativeMessageHandler(Int64, Pointer<Dart_CObject>) → Void