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Report missing params

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Agus Zubiaga 2024-07-02 02:59:39 -03:00
parent bc6a84a215
commit 922b1c44ef
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16 changed files with 286 additions and 93 deletions
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46
crates/compiler/solve/src/solve.rs
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@ -1401,24 +1401,20 @@ fn solve(
}
}
}
ImportParams(type_index, module_id, _region) => {
let actual = either_type_index_to_var(
env,
rank,
problems,
abilities_store,
obligation_cache,
&mut can_types,
aliases,
*type_index,
);
ImportParams(opt_provided, module_id, region) => {
match (module_params_vars.get(module_id), opt_provided) {
(Some(expected), Some(provided)) => {
let actual = either_type_index_to_var(
env,
rank,
problems,
abilities_store,
obligation_cache,
&mut can_types,
aliases,
*provided,
);
match module_params_vars.get(module_id) {
None => {
// Module does not expect params. This will be reported by can.
state
}
Some(expected) => {
match unify(
&mut env.uenv(),
actual,
@ -1444,6 +1440,22 @@ fn solve(
}
}
}
(Some(expected), None) => {
let err_type = env.uenv().var_to_error_type(*expected, Polarity::Neg);
problems.push(TypeError::MissingImportParams {
module_id: *module_id,
region: *region,
expected: err_type,
});
state
}
(None, Some(_)) | (None, None) => {
// Module does not expect params.
// If provided still, canonicalization will produce a warning.
state
}
}
}
};