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reimplement RocList and RocStr

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This commit is contained in:
Tom Dohrmann 2022-02-23 14:49:10 +01:00
parent 16e568be76
commit 788c8a6af2
19 changed files with 680 additions and 792 deletions
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8
compiler/test_gen/src/helpers/from_wasmer_memory.rs
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@ -1,5 +1,5 @@
use roc_gen_wasm::wasm32_sized::Wasm32Sized;
use roc_std::{RocDec, RocList, RocOrder, RocStr};
use roc_std::{ReferenceCount, RocDec, RocList, RocOrder, RocStr};
pub trait FromWasmerMemory: Wasm32Sized {
fn decode(memory: &wasmer::Memory, offset: u32) -> Self;
@ -61,19 +61,19 @@ impl FromWasmerMemory for RocStr {
let actual_length = (last_byte ^ 0b1000_0000) as usize;
let slice = &bytes.to_ne_bytes()[..actual_length as usize];
RocStr::from_slice(slice)
unsafe { RocStr::from_slice(slice) }
} else {
// this is a big string
let ptr: wasmer::WasmPtr<u8, wasmer::Array> = wasmer::WasmPtr::new(elements);
let foobar = (ptr.deref(memory, 0, length)).unwrap();
let wasm_slice = unsafe { std::mem::transmute(foobar) };
RocStr::from_slice(wasm_slice)
unsafe { RocStr::from_slice(wasm_slice) }
}
}
}
impl<T: FromWasmerMemory + Clone> FromWasmerMemory for RocList<T> {
impl<T: FromWasmerMemory + Clone + ReferenceCount> FromWasmerMemory for RocList<T> {
fn decode(memory: &wasmer::Memory, offset: u32) -> Self {
let bytes = <u64 as FromWasmerMemory>::decode(memory, offset);