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wasm_interp: simplified ImportDispatcher

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We don't really need a trait for the 'import module' concept.
This commit is contained in:
Brian Carroll 2022-12-01 08:47:32 +00:00
parent ec8950816a
commit b10ac827f1
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2 changed files with 67 additions and 85 deletions
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20
crates/wasm_interp/src/lib.rs
View File

@ -2,9 +2,25 @@ mod call_stack;
mod instance;
pub mod test_utils;
mod value_stack;
mod wasi;
pub mod wasi;
// Main external interface
pub use instance::Instance;
// Exposed for testing only. Should eventually become private.
pub use call_stack::CallStack;
pub use instance::{Action, Instance};
pub use instance::Action;
pub use value_stack::ValueStack;
use roc_wasm_module::Value;
pub trait ImportDispatcher {
/// Dispatch a call from WebAssembly to your own code, based on module and function name.
fn dispatch(
&mut self,
module_name: &str,
function_name: &str,
arguments: &[Value],
memory: &mut [u8],
) -> Option<Value>;
}

132
crates/wasm_interp/src/wasi.rs
View File

@ -1,88 +1,54 @@
use roc_wasm_module::Value;
pub trait ImportDispatcher {
/// Dispatch a call from WebAssembly to your own code, based on module and function name.
/// The call arguments are passed in, along with a mutable pointer to WebAssembly memory.
fn dispatch(
&mut self,
module_name: &str,
function_name: &str,
arguments: &[Value],
memory: &mut [u8],
) -> Option<Value>;
}
pub const MODULE_NAME: &'static str = "wasi_snapshot_preview1";
pub trait ImportDispatcherModule {
const NAME: &'static str;
/// Dispatch a call from WebAssembly to your own code, based on the function name.
/// The call arguments are passed in, along with a mutable pointer to WebAssembly memory.
fn dispatch(
&mut self,
function_name: &str,
arguments: &[Value],
memory: &mut [u8],
) -> Option<Value>;
}
pub struct WasiDispatcher {}
impl ImportDispatcherModule for WasiDispatcher {
const NAME: &'static str = "wasi_snapshot_preview1";
fn dispatch(
&mut self,
function_name: &str,
arguments: &[Value],
_memory: &mut [u8],
) -> Option<Value> {
match function_name {
"args_get" => todo!("WASI {}({:?})", function_name, arguments),
"args_sizes_get" => todo!("WASI {}({:?})", function_name, arguments),
"environ_get" => todo!("WASI {}({:?})", function_name, arguments),
"environ_sizes_get" => todo!("WASI {}({:?})", function_name, arguments),
"clock_res_get" => todo!("WASI {}({:?})", function_name, arguments),
"clock_time_get" => todo!("WASI {}({:?})", function_name, arguments),
"fd_advise" => todo!("WASI {}({:?})", function_name, arguments),
"fd_allocate" => todo!("WASI {}({:?})", function_name, arguments),
"fd_close" => todo!("WASI {}({:?})", function_name, arguments),
"fd_datasync" => todo!("WASI {}({:?})", function_name, arguments),
"fd_fdstat_get" => todo!("WASI {}({:?})", function_name, arguments),
"fd_fdstat_set_flags" => todo!("WASI {}({:?})", function_name, arguments),
"fd_fdstat_set_rights" => todo!("WASI {}({:?})", function_name, arguments),
"fd_filestat_get" => todo!("WASI {}({:?})", function_name, arguments),
"fd_filestat_set_size" => todo!("WASI {}({:?})", function_name, arguments),
"fd_filestat_set_times" => todo!("WASI {}({:?})", function_name, arguments),
"fd_pread" => todo!("WASI {}({:?})", function_name, arguments),
"fd_prestat_get" => todo!("WASI {}({:?})", function_name, arguments),
"fd_prestat_dir_name" => todo!("WASI {}({:?})", function_name, arguments),
"fd_pwrite" => todo!("WASI {}({:?})", function_name, arguments),
"fd_read" => todo!("WASI {}({:?})", function_name, arguments),
"fd_readdir" => todo!("WASI {}({:?})", function_name, arguments),
"fd_renumber" => todo!("WASI {}({:?})", function_name, arguments),
"fd_seek" => todo!("WASI {}({:?})", function_name, arguments),
"fd_sync" => todo!("WASI {}({:?})", function_name, arguments),
"fd_tell" => todo!("WASI {}({:?})", function_name, arguments),
"fd_write" => todo!("WASI {}({:?})", function_name, arguments),
"path_create_directory" => todo!("WASI {}({:?})", function_name, arguments),
"path_filestat_get" => todo!("WASI {}({:?})", function_name, arguments),
"path_filestat_set_times" => todo!("WASI {}({:?})", function_name, arguments),
"path_link" => todo!("WASI {}({:?})", function_name, arguments),
"path_open" => todo!("WASI {}({:?})", function_name, arguments),
"path_readlink" => todo!("WASI {}({:?})", function_name, arguments),
"path_remove_directory" => todo!("WASI {}({:?})", function_name, arguments),
"path_rename" => todo!("WASI {}({:?})", function_name, arguments),
"path_symlink" => todo!("WASI {}({:?})", function_name, arguments),
"path_unlink_file" => todo!("WASI {}({:?})", function_name, arguments),
"poll_oneoff" => todo!("WASI {}({:?})", function_name, arguments),
"proc_exit" => todo!("WASI {}({:?})", function_name, arguments),
"proc_raise" => todo!("WASI {}({:?})", function_name, arguments),
"sched_yield" => todo!("WASI {}({:?})", function_name, arguments),
"random_get" => todo!("WASI {}({:?})", function_name, arguments),
"sock_recv" => todo!("WASI {}({:?})", function_name, arguments),
"sock_send" => todo!("WASI {}({:?})", function_name, arguments),
"sock_shutdown" => todo!("WASI {}({:?})", function_name, arguments),
_ => panic!("Unknown WASI function {}({:?})", function_name, arguments),
}
pub fn dispatch(function_name: &str, arguments: &[Value], _memory: &mut [u8]) -> Option<Value> {
match function_name {
"args_get" => todo!("WASI {}({:?})", function_name, arguments),
"args_sizes_get" => todo!("WASI {}({:?})", function_name, arguments),
"environ_get" => todo!("WASI {}({:?})", function_name, arguments),
"environ_sizes_get" => todo!("WASI {}({:?})", function_name, arguments),
"clock_res_get" => todo!("WASI {}({:?})", function_name, arguments),
"clock_time_get" => todo!("WASI {}({:?})", function_name, arguments),
"fd_advise" => todo!("WASI {}({:?})", function_name, arguments),
"fd_allocate" => todo!("WASI {}({:?})", function_name, arguments),
"fd_close" => todo!("WASI {}({:?})", function_name, arguments),
"fd_datasync" => todo!("WASI {}({:?})", function_name, arguments),
"fd_fdstat_get" => todo!("WASI {}({:?})", function_name, arguments),
"fd_fdstat_set_flags" => todo!("WASI {}({:?})", function_name, arguments),
"fd_fdstat_set_rights" => todo!("WASI {}({:?})", function_name, arguments),
"fd_filestat_get" => todo!("WASI {}({:?})", function_name, arguments),
"fd_filestat_set_size" => todo!("WASI {}({:?})", function_name, arguments),
"fd_filestat_set_times" => todo!("WASI {}({:?})", function_name, arguments),
"fd_pread" => todo!("WASI {}({:?})", function_name, arguments),
"fd_prestat_get" => todo!("WASI {}({:?})", function_name, arguments),
"fd_prestat_dir_name" => todo!("WASI {}({:?})", function_name, arguments),
"fd_pwrite" => todo!("WASI {}({:?})", function_name, arguments),
"fd_read" => todo!("WASI {}({:?})", function_name, arguments),
"fd_readdir" => todo!("WASI {}({:?})", function_name, arguments),
"fd_renumber" => todo!("WASI {}({:?})", function_name, arguments),
"fd_seek" => todo!("WASI {}({:?})", function_name, arguments),
"fd_sync" => todo!("WASI {}({:?})", function_name, arguments),
"fd_tell" => todo!("WASI {}({:?})", function_name, arguments),
"fd_write" => todo!("WASI {}({:?})", function_name, arguments),
"path_create_directory" => todo!("WASI {}({:?})", function_name, arguments),
"path_filestat_get" => todo!("WASI {}({:?})", function_name, arguments),
"path_filestat_set_times" => todo!("WASI {}({:?})", function_name, arguments),
"path_link" => todo!("WASI {}({:?})", function_name, arguments),
"path_open" => todo!("WASI {}({:?})", function_name, arguments),
"path_readlink" => todo!("WASI {}({:?})", function_name, arguments),
"path_remove_directory" => todo!("WASI {}({:?})", function_name, arguments),
"path_rename" => todo!("WASI {}({:?})", function_name, arguments),
"path_symlink" => todo!("WASI {}({:?})", function_name, arguments),
"path_unlink_file" => todo!("WASI {}({:?})", function_name, arguments),
"poll_oneoff" => todo!("WASI {}({:?})", function_name, arguments),
"proc_exit" => todo!("WASI {}({:?})", function_name, arguments),
"proc_raise" => todo!("WASI {}({:?})", function_name, arguments),
"sched_yield" => todo!("WASI {}({:?})", function_name, arguments),
"random_get" => todo!("WASI {}({:?})", function_name, arguments),
"sock_recv" => todo!("WASI {}({:?})", function_name, arguments),
"sock_send" => todo!("WASI {}({:?})", function_name, arguments),
"sock_shutdown" => todo!("WASI {}({:?})", function_name, arguments),
_ => panic!("Unknown WASI function {}({:?})", function_name, arguments),
}
}