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Show pattern mismatch diagnostics

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This commit is contained in:
Lukas Wirth 2023-02-28 15:13:45 +01:00
parent 9b441b9c67
commit fc2b395e00
8 changed files with 117 additions and 71 deletions
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29
crates/hir-ty/src/tests.rs
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@ -191,30 +191,11 @@ fn check_impl(ra_fixture: &str, allow_none: bool, only_types: bool, display_sour
}
}
for (pat, mismatch) in inference_result.pat_type_mismatches() {
let node = match pat_node(&body_source_map, pat, &db) {
Some(value) => value,
None => continue,
};
let range = node.as_ref().original_file_range(&db);
let actual = format!(
"expected {}, got {}",
mismatch.expected.display_test(&db),
mismatch.actual.display_test(&db)
);
match mismatches.remove(&range) {
Some(annotation) => assert_eq!(actual, annotation),
None => format_to!(unexpected_type_mismatches, "{:?}: {}\n", range.range, actual),
}
}
for (expr, mismatch) in inference_result.expr_type_mismatches() {
let node = match body_source_map.expr_syntax(expr) {
Ok(sp) => {
let root = db.parse_or_expand(sp.file_id).unwrap();
sp.map(|ptr| ptr.to_node(&root).syntax().clone())
}
Err(SyntheticSyntax) => continue,
};
for (expr_or_pat, mismatch) in inference_result.type_mismatches() {
let Some(node) = (match expr_or_pat {
hir_def::expr::ExprOrPatId::ExprId(expr) => expr_node(&body_source_map, expr, &db),
hir_def::expr::ExprOrPatId::PatId(pat) => pat_node(&body_source_map, pat, &db),
}) else { continue; };
let range = node.as_ref().original_file_range(&db);
let actual = format!(
"expected {}, got {}",