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keep track of offset in expect repl

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Folkert 2022-07-23 15:43:22 +02:00
parent 63b2b060c9
commit 02e842cda7
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2 changed files with 15 additions and 11 deletions
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21
crates/repl_expect/src/lib.rs
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@ -26,7 +26,10 @@ pub fn get_values<'a>(
) -> Result<Vec<Expr<'a>>, ToAstProblem> {
let mut result = Vec::with_capacity(variables.len());
let memory = ExpectMemory { start };
let memory = ExpectMemory {
start,
bytes_read: RefCell::new(0),
};
let app = ExpectReplApp {
memory: arena.alloc(memory),
@ -70,9 +73,9 @@ pub fn get_values<'a>(
Ok(result)
}
#[derive(Clone)]
struct ExpectMemory {
start: *const u8,
bytes_read: RefCell<usize>,
}
macro_rules! deref_number {
@ -80,6 +83,7 @@ macro_rules! deref_number {
fn $name(&self, addr: usize) -> $t {
// dbg!(std::any::type_name::<$t>(), self.start, addr);
let ptr = unsafe { self.start.add(addr) } as *const _;
*self.bytes_read.borrow_mut() += std::mem::size_of::<$t>();
unsafe { std::ptr::read_unaligned(ptr) }
}
};
@ -158,7 +162,13 @@ impl<'a> ReplApp<'a> for ExpectReplApp<'a> {
self.offset += std::mem::size_of::<Return>();
transform(self.memory, result)
*self.memory.bytes_read.borrow_mut() = 0;
let transformed = transform(self.memory, result);
self.offset += *self.memory.bytes_read.borrow();
transformed
}
fn call_function_returns_roc_list<F>(&mut self, main_fn_name: &str, transform: F) -> Expr<'a>
@ -166,10 +176,7 @@ impl<'a> ReplApp<'a> for ExpectReplApp<'a> {
F: Fn(&'a Self::Memory, (usize, usize, usize)) -> Expr<'a>,
Self::Memory: 'a,
{
let result = self.call_function(main_fn_name, transform);
dbg!(self.offset);
self.offset += 8;
result
self.call_function(main_fn_name, transform)
}
fn call_function_returns_roc_str<T, F>(