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// Generate traits for synchronous bindings.
//
// Note that this is only done for interfaces which can block, or those which
// have some functions in `only_imports` below for being async.
pub mod sync {
mod generated {
use crate::{FsError, StreamError};
wasmtime::component::bindgen!({
path: "wit",
world: "wasi:cli/command",
tracing: true,
trappable_error_type: {
"wasi:io/streams/stream-error" => StreamError,
"wasi:filesystem/types/error-code" => FsError,
},
trappable_imports: true,
with: {
// These interfaces come from the outer module, as it's
// sync/async agnostic.
"wasi:clocks": crate::bindings::clocks,
"wasi:random": crate::bindings::random,
"wasi:sockets": crate::bindings::sockets,
"wasi:cli": crate::bindings::cli,
"wasi:io/error": crate::bindings::io::error,
"wasi:filesystem/preopens": crate::bindings::filesystem::preopens,
// Configure the resource types of the bound interfaces here
// to be the same as the async versions of the resources, that
// way everything has the same type.
"wasi:filesystem/types/descriptor": super::super::filesystem::types::Descriptor,
"wasi:filesystem/types/directory-entry-stream": super::super::filesystem::types::DirectoryEntryStream,
"wasi:io/poll/pollable": super::super::io::poll::Pollable,
"wasi:io/streams/input-stream": super::super::io::streams::InputStream,
"wasi:io/streams/output-stream": super::super::io::streams::OutputStream,
},
skip_mut_forwarding_impls: true,
});
}
pub use self::generated::exports;
pub use self::generated::wasi::{filesystem, io};
/// Synchronous bindings to execute and run a `wasi:cli/command`.
///
/// This structure is automatically generated by `bindgen!` and is intended
/// to be used with [`Config::async_support(false)`][async]. For the
/// asynchronous version see [`bindings::Command`](super::Command).
///
/// This can be used for a more "typed" view of executing a command
/// component through the [`Command::wasi_cli_run`] method plus
/// [`Guest::call_run`](exports::wasi::cli::run::Guest::call_run).
///
/// [async]: wasmtime::Config::async_support
/// [`wasmtime_wasi::add_to_linker_sync`]: crate::add_to_linker_sync
///
/// # Examples
///
/// ```no_run
/// use wasmtime::{Engine, Result, Store, Config};
/// use wasmtime::component::{ResourceTable, Linker, Component};
/// use wasmtime_wasi::{WasiCtx, WasiView, WasiCtxBuilder};
/// use wasmtime_wasi::bindings::sync::Command;
///
/// // This example is an example shim of executing a component based on the
/// // command line arguments provided to this program.
/// fn main() -> Result<()> {
/// let args = std::env::args().skip(1).collect::<Vec<_>>();
///
/// // Configure and create `Engine`
/// let engine = Engine::default();
///
/// // Configure a `Linker` with WASI, compile a component based on
/// // command line arguments, and then pre-instantiate it.
/// let mut linker = Linker::<MyState>::new(&engine);
/// wasmtime_wasi::add_to_linker_async(&mut linker)?;
/// let component = Component::from_file(&engine, &args[0])?;
/// let pre = linker.instantiate_pre(&component)?;
///
///
/// // Configure a `WasiCtx` based on this program's environment. Then
/// // build a `Store` to instantiate into.
/// let mut builder = WasiCtxBuilder::new();
/// builder.inherit_stdio().inherit_env().args(&args);
/// let mut store = Store::new(
/// &engine,
/// MyState {
/// ctx: builder.build(),
/// table: ResourceTable::new(),
/// },
/// );
///
/// // Instantiate the component and we're off to the races.
/// let (command, _instance) = Command::instantiate_pre(&mut store, &pre)?;
/// let program_result = command.wasi_cli_run().call_run(&mut store)?;
/// match program_result {
/// Ok(()) => Ok(()),
/// Err(()) => std::process::exit(1),
/// }
/// }
///
/// struct MyState {
/// ctx: WasiCtx,
/// table: ResourceTable,
/// }
///
/// impl WasiView for MyState {
/// fn ctx(&mut self) -> &mut WasiCtx { &mut self.ctx }
/// fn table(&mut self) -> &mut ResourceTable { &mut self.table }
/// }
/// ```
pub use self::generated::Command;
}
mod async_io {
wasmtime::component::bindgen!({
path: "wit",
world: "wasi:cli/command",
tracing: true,
trappable_imports: true,
async: {
// Only these functions are `async` and everything else is sync
// meaning that it basically doesn't need to block. These functions
// are the only ones that need to block.
//
// Note that at this time `only_imports` works on function names
// which in theory can be shared across interfaces, so this may
// need fancier syntax in the future.
only_imports: [
"[method]descriptor.access-at",
"[method]descriptor.advise",
"[method]descriptor.change-directory-permissions-at",
"[method]descriptor.change-file-permissions-at",
"[method]descriptor.create-directory-at",
"[method]descriptor.get-flags",
"[method]descriptor.get-type",
"[method]descriptor.is-same-object",
"[method]descriptor.link-at",
"[method]descriptor.lock-exclusive",
"[method]descriptor.lock-shared",
"[method]descriptor.metadata-hash",
"[method]descriptor.metadata-hash-at",
"[method]descriptor.open-at",
"[method]descriptor.read",
"[method]descriptor.read-directory",
"[method]descriptor.readlink-at",
"[method]descriptor.remove-directory-at",
"[method]descriptor.rename-at",
"[method]descriptor.set-size",
"[method]descriptor.set-times",
"[method]descriptor.set-times-at",
"[method]descriptor.stat",
"[method]descriptor.stat-at",
"[method]descriptor.symlink-at",
"[method]descriptor.sync",
"[method]descriptor.sync-data",
"[method]descriptor.try-lock-exclusive",
"[method]descriptor.try-lock-shared",
"[method]descriptor.unlink-file-at",
"[method]descriptor.unlock",
"[method]descriptor.write",
"[method]input-stream.read",
"[method]input-stream.blocking-read",
"[method]input-stream.blocking-skip",
"[method]input-stream.skip",
"[method]output-stream.forward",
"[method]output-stream.splice",
"[method]output-stream.blocking-splice",
"[method]output-stream.blocking-flush",
"[method]output-stream.blocking-write",
"[method]output-stream.blocking-write-and-flush",
"[method]output-stream.blocking-write-zeroes-and-flush",
"[method]directory-entry-stream.read-directory-entry",
"poll",
"[method]pollable.block",
"[method]pollable.ready",
],
},
trappable_error_type: {
"wasi:io/streams/stream-error" => crate::StreamError,
"wasi:filesystem/types/error-code" => crate::FsError,
"wasi:sockets/network/error-code" => crate::SocketError,
},
with: {
// Configure all resources to be concrete types defined in this crate,
// so that way we get to use nice typed helper methods with
// `ResourceTable`.
"wasi:sockets/network/network": crate::network::Network,
"wasi:sockets/tcp/tcp-socket": crate::tcp::TcpSocket,
"wasi:sockets/udp/udp-socket": crate::udp::UdpSocket,
"wasi:sockets/udp/incoming-datagram-stream": crate::udp::IncomingDatagramStream,
"wasi:sockets/udp/outgoing-datagram-stream": crate::udp::OutgoingDatagramStream,
"wasi:sockets/ip-name-lookup/resolve-address-stream": crate::ip_name_lookup::ResolveAddressStream,
"wasi:filesystem/types/directory-entry-stream": crate::filesystem::ReaddirIterator,
"wasi:filesystem/types/descriptor": crate::filesystem::Descriptor,
"wasi:io/streams/input-stream": crate::stream::InputStream,
"wasi:io/streams/output-stream": crate::stream::OutputStream,
"wasi:io/error/error": crate::stream::Error,
"wasi:io/poll/pollable": crate::poll::Pollable,
"wasi:cli/terminal-input/terminal-input": crate::stdio::TerminalInput,
"wasi:cli/terminal-output/terminal-output": crate::stdio::TerminalOutput,
},
skip_mut_forwarding_impls: true,
});
}
pub use self::async_io::exports;
pub use self::async_io::wasi::*;
/// Asynchronous bindings to execute and run a `wasi:cli/command`.
///
/// This structure is automatically generated by `bindgen!` and is intended to
/// be used with [`Config::async_support(true)`][async]. For the synchronous
/// version see [`binidngs::sync::Command`](sync::Command).
///
/// This can be used for a more "typed" view of executing a command component
/// through the [`Command::wasi_cli_run`] method plus
/// [`Guest::call_run`](exports::wasi::cli::run::Guest::call_run).
///
/// [async]: wasmtime::Config::async_support
/// [`wasmtime_wasi::add_to_linker_async`]: crate::add_to_linker_async
///
/// # Examples
///
/// ```no_run
/// use wasmtime::{Engine, Result, Store, Config};
/// use wasmtime::component::{ResourceTable, Linker, Component};
/// use wasmtime_wasi::{WasiCtx, WasiView, WasiCtxBuilder};
/// use wasmtime_wasi::bindings::Command;
///
/// // This example is an example shim of executing a component based on the
/// // command line arguments provided to this program.
/// #[tokio::main]
/// async fn main() -> Result<()> {
/// let args = std::env::args().skip(1).collect::<Vec<_>>();
///
/// // Configure and create `Engine`
/// let mut config = Config::new();
/// config.async_support(true);
/// let engine = Engine::new(&config)?;
///
/// // Configure a `Linker` with WASI, compile a component based on
/// // command line arguments, and then pre-instantiate it.
/// let mut linker = Linker::<MyState>::new(&engine);
/// wasmtime_wasi::add_to_linker_async(&mut linker)?;
/// let component = Component::from_file(&engine, &args[0])?;
/// let pre = linker.instantiate_pre(&component)?;
///
///
/// // Configure a `WasiCtx` based on this program's environment. Then
/// // build a `Store` to instantiate into.
/// let mut builder = WasiCtxBuilder::new();
/// builder.inherit_stdio().inherit_env().args(&args);
/// let mut store = Store::new(
/// &engine,
/// MyState {
/// ctx: builder.build(),
/// table: ResourceTable::new(),
/// },
/// );
///
/// // Instantiate the component and we're off to the races.
/// let (command, _instance) = Command::instantiate_pre(&mut store, &pre).await?;
/// let program_result = command.wasi_cli_run().call_run(&mut store).await?;
/// match program_result {
/// Ok(()) => Ok(()),
/// Err(()) => std::process::exit(1),
/// }
/// }
///
/// struct MyState {
/// ctx: WasiCtx,
/// table: ResourceTable,
/// }
///
/// impl WasiView for MyState {
/// fn ctx(&mut self) -> &mut WasiCtx { &mut self.ctx }
/// fn table(&mut self) -> &mut ResourceTable { &mut self.table }
/// }
/// ```
pub use self::async_io::Command;