M-Labs/nac3
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Err instead of panic for host object attribute error #288

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sb10q merged 1 commits from 281-host-obj-attribute-err into master 2022-05-18 06:36:08 +08:00
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2 changed files with 8 additions and 2 deletions
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5
nac3artiq/src/lib.rs
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@ -671,7 +671,10 @@ impl Nac3 {
&mut composer.unifier,
&self.primitive,
);
return Err(CompileError::new_err(msg.unwrap_or(e)));
return Err(CompileError::new_err(format!(
"compilation failed\n----------\n{}",
msg.unwrap_or(e)
)));
}
}
let top_level = Arc::new(composer.make_top_level_context());

5
nac3artiq/src/symbol_resolver.rs
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@ -670,7 +670,10 @@ impl InnerResolver {
if let TypeEnum::TFunc(..) = &*unifier.get_ty(field.1.0) {
continue;
} else {
let field_data = obj.getattr(&name)?;
let field_data = match obj.getattr(&name) {
Ok(d) => d,
Err(e) => return Ok(Err(format!("{}", e))),
};
let ty = match self
sb10q commented 2022-05-16 12:34:38 +08:00
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Why?

Why?
sb10q commented 2022-05-16 12:36:19 +08:00
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Won't other types of errors have the same issue? I don't see what's special about AttributeError. The default behavior of printing AttributeError("...") seems acceptable to me (for now) and should be simple enough.

Won't other types of errors have the same issue? I don't see what's special about AttributeError. The default behavior of printing ``AttributeError("...")`` seems acceptable to me (for now) and should be simple enough.
ychenfo commented 2022-05-17 01:05:39 +08:00
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Here I think that it should only catch AttributeError because we are using getattr to get the member of an object, so we are only expecting AttributeError to happen here. Other errors should not happen.

Here I think that it should only catch `AttributeError` because we are using `getattr` to get the member of an object, so we are only expecting `AttributeError` to happen here. Other errors should not happen.
ychenfo commented 2022-05-17 01:07:17 +08:00
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Hmm maybe it's better to use unreachable! to mark that internal error and panic here?

Hmm maybe it's better to use `unreachable!` to mark that internal error and panic here?
.get_obj_type(py, field_data, unifier, defs, primitives)?
{