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Add annotate_snippets for better parsing errors (#477)

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Adds nicer errors for Podlang code, using the `annotate_snippets` crate, the same crate used by the Rust compiler to generate contextual errors. This prints a short snippet of the code containing the error within the error message, highlighting the part that needs to be fixed.

It also includes a change to the `load_module` function, changing a `Vec` function argument to a slice.
This commit is contained in:
Rob Knight 2026-02-11 11:14:23 +01:00 • committed by GitHub
parent acab26e5c1
commit 09d67de989
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11 changed files with 612 additions and 40 deletions
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6
src/lang/module.rs
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@ -610,7 +610,7 @@ mod tests {
r#"is_equal(X, Y) = AND(Equal(X["val"], Y["val"]))"#,
"checks",
&params,
vec![],
&[],
)
.unwrap(),
);
@ -621,7 +621,7 @@ mod tests {
r#"is_less(X, Y) = AND(Lt(X["val"], Y["val"]))"#,
"ordering",
&params,
vec![],
&[],
)
.unwrap(),
);
@ -645,7 +645,7 @@ mod tests {
),
"combined",
&params,
vec![checks.clone(), ordering.clone()],
&[checks.clone(), ordering.clone()],
)
.unwrap();