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Handle type formatting of Result<..., Box<EvalAltResult>>

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This commit is contained in:
Stephen Chung 2022-10-31 18:07:38 +08:00
parent 79ba80eeb3
commit 1282beabbb
1 changed files with 14 additions and 0 deletions
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14
src/api/type_names.rs
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@ -108,11 +108,15 @@ fn map_std_type_name(name: &str, shorthands: bool) -> &str {
/// Format a Rust type to be display-friendly.
///
/// * `rhai::` prefix is cleared.
/// * `()` is cleared.
/// * `&mut` is cleared.
/// * `INT` and `FLOAT` are expanded.
/// * [`RhaiResult`][crate::RhaiResult] and [`RhaiResultOf<T>`][crate::RhaiResultOf] are expanded.
#[cfg(feature = "metadata")]
pub fn format_type(typ: &str, is_return_type: bool) -> std::borrow::Cow<str> {
const RESULT_TYPE: &str = "Result<";
const ERROR_TYPE: &str = ",Box<EvalAltResult>>";
const RHAI_RESULT_TYPE: &str = "RhaiResult";
const RHAI_RESULT_TYPE_EXPAND: &str = "Result<Dynamic, Box<EvalAltResult>>";
const RHAI_RESULT_OF_TYPE: &str = "RhaiResultOf<";
@ -135,6 +139,10 @@ pub fn format_type(typ: &str, is_return_type: bool) -> std::borrow::Cow<str> {
} else {
format!("&mut {r}").into()
};
} else if typ.contains(" ") {
let typ = typ.replace(" ", "");
let r = format_type(&typ, is_return_type);
return r.into_owned().into();
}
match typ {
@ -167,6 +175,12 @@ pub fn format_type(typ: &str, is_return_type: bool) -> std::borrow::Cow<str> {
.replace("{}", format_type(inner, false).trim())
.into()
}
ty if ty.starts_with(RESULT_TYPE) && ty.ends_with(ERROR_TYPE) => {
let inner = &ty[RESULT_TYPE.len()..ty.len() - ERROR_TYPE.len()];
RHAI_RESULT_OF_TYPE_EXPAND
.replace("{}", format_type(inner, false).trim())
.into()
}
ty => ty.into(),
}
}