Struct netcorehost::hostfxr::AssemblyDelegateLoader

pub struct AssemblyDelegateLoader<'a, A: AsRef<PdCStr>> { /* private fields */ }

A struct for loading pointers to managed functions for a given HostfxrContext which automatically loads the assembly from the given path on the first access.

Implementations

impl<'a, A: AsRef<PdCStr>> AssemblyDelegateLoader<'a, A>

pub fn new(loader: DelegateLoader<'a>, assembly_path: A) -> Self

Creates a new AssemblyDelegateLoader wrapping the given DelegateLoader loading the assembly from the given path on the first access.

pub fn get_function_pointer(
    &'a self,
    type_name: impl AsRef<PdCStr>,
    method_name: impl AsRef<PdCStr>,
    delegate_type_name: impl AsRef<PdCStr>
) -> Result<MethodWithUnknownSignature, GetFunctionPointerError>

If this is the first loaded function pointer, calling this function will load the specified assembly in isolation (into its own AssemblyLoadContext) and it will use AssemblyDependencyResolver on it to provide dependency resolution. Otherwise or once loaded it will find the specified type and method and return a native function pointer to that method. Calling this function will find the specified type and method and return a native function pointer to that method.

Arguments

• type_name: Assembly qualified type name to find
• method_name: Name of the method on the type_name to find. The method must be static and must match the signature of delegate_type_name.
• delegate_type_name: Assembly qualified delegate type name for the method signature.

pub fn get_function_pointer_with_default_signature(
    &'a self,
    type_name: impl AsRef<PdCStr>,
    method_name: impl AsRef<PdCStr>
) -> Result<MethodWithDefaultSignature, GetFunctionPointerError>

If this is the first loaded function pointer, calling this function will load the specified assembly in isolation (into its own AssemblyLoadContext) and it will use AssemblyDependencyResolver on it to provide dependency resolution. Otherwise or once loaded it will find the specified type and method and return a native function pointer to that method. Calling this function will find the specified type and method and return a native function pointer to that method.

Arguments

• type_name: Assembly qualified type name to find
• method_name: Name of the method on the type_name to find. The method must be static and must match the following signature: public delegate int ComponentEntryPoint(IntPtr args, int sizeBytes);

pub fn get_function_pointer_for_unmanaged_callers_only_method(
    &'a self,
    type_name: impl AsRef<PdCStr>,
    method_name: impl AsRef<PdCStr>
) -> Result<MethodWithUnknownSignature, GetFunctionPointerError>

If this is the first loaded function pointer, calling this function will load the specified assembly in isolation (into its own AssemblyLoadContext) and it will use AssemblyDependencyResolver on it to provide dependency resolution. Otherwise or once loaded it will find the specified type and method and return a native function pointer to that method. Calling this function will find the specified type and method and return a native function pointer to that method.

Arguments

• type_name: Assembly qualified type name to find
• method_name: Name of the method on the type_name to find. The method must be static and must match be annotated with UnmanagedCallersOnly.