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Fix error priority for function arguments

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Errors about superfluous arguments are now thrown before errors of the function execution itself.

Fixes #1367
This commit is contained in:
Laurenz 2023-10-27 15:37:00 +02:00
parent cbfd9884a9
commit 24a0bd8cfb
2 changed files with 8 additions and 0 deletions
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4
crates/typst-macros/src/func.rs
View file

@ -307,6 +307,9 @@ fn create_wrapper_closure(func: &Func) -> TokenStream {
}
};
// Throws errors about unexpected arguments.
let finish = (!func.special.args).then(|| quote! { args.take().finish()?; });
// This is the actual function call.
let call = {
let self_ = func
@ -332,6 +335,7 @@ fn create_wrapper_closure(func: &Func) -> TokenStream {
|vm, args| {
let __typst_func = #parent #ident;
#handlers
#finish
let output = #call;
::typst::eval::IntoResult::into_result(output, args.span)
}

4
tests/typ/compiler/array.typ
View file

@ -313,6 +313,10 @@
// Error: 2-26 cannot compare 3em with 2pt
#(1pt, 2pt, 3em).sorted()
---
// Error: 42-52 unexpected argument
#((k: "a", v: 2), (k: "b", v: 1)).sorted(it => it.v)
---
// Error: 2-18 array index out of bounds (index: -4, len: 3) and no default value was specified
#(1, 2, 3).at(-4)