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wip: wrap last block in interpret with guard

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This commit is contained in:
Matthew LeVan 2024-02-08 17:36:10 -05:00
parent 99b6a97493
commit 4035867ea0
1 changed files with 25 additions and 20 deletions
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45
rust/ares/src/interpreter.rs
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@ -569,6 +569,23 @@ pub fn interpret(context: &mut Context, mut subject: Noun, formula: Noun) -> Res
*((*context).stack.push()) = NockWork::Done; *((*context).stack.push()) = NockWork::Done;
}; };
let low_f = &mut |context_p: *mut c_void| {
let bounds_ctx = unsafe { &mut *(context_p as *mut Context) };
if bounds_ctx.stack.is_west() {
bounds_ctx.stack.get_stack_pointer() as *const c_ulonglong
} else {
bounds_ctx.stack.get_alloc_pointer() as *const c_ulonglong
}
};
let high_f = &mut |context_p: *mut c_void| {
let bounds_ctx = unsafe { &mut *(context_p as *mut Context) };
if bounds_ctx.stack.is_west() {
bounds_ctx.stack.get_alloc_pointer() as *const c_ulonglong
} else {
bounds_ctx.stack.get_stack_pointer() as *const c_ulonglong
}
};
// DO NOT REMOVE THIS ASSERTION // DO NOT REMOVE THIS ASSERTION
// //
// If you need to allocate for debugging, wrap the debugging code in // If you need to allocate for debugging, wrap the debugging code in
@ -582,22 +599,6 @@ pub fn interpret(context: &mut Context, mut subject: Noun, formula: Noun) -> Res
// (See https://docs.rs/assert_no_alloc/latest/assert_no_alloc/#advanced-use) // (See https://docs.rs/assert_no_alloc/latest/assert_no_alloc/#advanced-use)
let nock = assert_no_alloc(|| { let nock = assert_no_alloc(|| {
ensure_alloc_counters(|| { ensure_alloc_counters(|| {
let low_f = &mut |context_p: *mut c_void| {
let bounds_ctx = unsafe { &mut *(context_p as *mut Context) };
if bounds_ctx.stack.is_west() {
bounds_ctx.stack.get_stack_pointer() as *const c_ulonglong
} else {
bounds_ctx.stack.get_alloc_pointer() as *const c_ulonglong
}
};
let high_f = &mut |context_p: *mut c_void| {
let bounds_ctx = unsafe { &mut *(context_p as *mut Context) };
if bounds_ctx.stack.is_west() {
bounds_ctx.stack.get_alloc_pointer() as *const c_ulonglong
} else {
bounds_ctx.stack.get_stack_pointer() as *const c_ulonglong
}
};
let work_f = &mut |context_p: *mut c_void| unsafe { let work_f = &mut |context_p: *mut c_void| unsafe {
let work_ctx = &mut *(context_p as *mut Context); let work_ctx = &mut *(context_p as *mut Context);
push_formula(&mut work_ctx.stack, formula, true)?; push_formula(&mut work_ctx.stack, formula, true)?;
@ -1152,10 +1153,14 @@ pub fn interpret(context: &mut Context, mut subject: Noun, formula: Noun) -> Res
}) })
}); });
match nock { let match_f = &mut |context_p: *mut c_void| unsafe {
Ok(res) => Ok(res), let match_ctx = &mut *(context_p as *mut Context);
Err(err) => Err(exit(context, &snapshot, virtual_frame, err)), match nock {
} Ok(res) => Ok(res),
Err(err) => Err(exit(match_ctx, &snapshot, virtual_frame, err)),
}
};
call_with_guard(match_f, low_f, high_f, context as *mut Context)
} }
fn push_formula(stack: &mut NockStack, formula: Noun, tail: bool) -> Result { fn push_formula(stack: &mut NockStack, formula: Noun, tail: bool) -> Result {