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wasm_interp: implement WASI random_get & refactor default imports

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Brian Carroll 2022-12-14 23:35:57 +00:00
parent eaa3f14fb0
commit b7fef386ee
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8 changed files with 112 additions and 31 deletions
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19
crates/wasm_interp/src/lib.rs
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@ -8,6 +8,7 @@ pub mod wasi;
pub use instance::Instance;
pub use wasi::WasiDispatcher;
use rand::prelude::*;
use roc_wasm_module::{Value, ValueType, WasmModule};
use value_stack::ValueStack;
@ -22,9 +23,16 @@ pub trait ImportDispatcher {
) -> Option<Value>;
}
pub const DEFAULT_IMPORTS: DefaultImportDispatcher = DefaultImportDispatcher {
wasi: WasiDispatcher { args: &[] },
};
impl Default for DefaultImportDispatcher<'_> {
fn default() -> Self {
DefaultImportDispatcher {
wasi: WasiDispatcher {
args: &[],
rng: thread_rng(),
},
}
}
}
pub struct DefaultImportDispatcher<'a> {
wasi: WasiDispatcher<'a>,
@ -33,7 +41,10 @@ pub struct DefaultImportDispatcher<'a> {
impl<'a> DefaultImportDispatcher<'a> {
pub fn new(args: &'a [&'a String]) -> Self {
DefaultImportDispatcher {
wasi: WasiDispatcher { args },
wasi: WasiDispatcher {
args,
rng: thread_rng(),
},
}
}
}