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Shrink PatPtr by swapping its AstPtr and Either wrap order

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This commit is contained in:
Lukas Wirth 2023-10-06 12:32:37 +02:00
parent a158670432
commit 88a00bf49d
15 changed files with 164 additions and 190 deletions
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72
crates/hir-ty/src/diagnostics/decl_check.rs
View file

@ -336,48 +336,44 @@ impl<'a> DeclValidator<'a> {
for (id, replacement) in pats_replacements {
if let Ok(source_ptr) = source_map.pat_syntax(id) {
if let Some(expr) = source_ptr.value.as_ref().left() {
if let Some(ptr) = source_ptr.value.clone().cast::<ast::IdentPat>() {
let root = source_ptr.file_syntax(self.db.upcast());
if let ast::Pat::IdentPat(ident_pat) = expr.to_node(&root) {
let parent = match ident_pat.syntax().parent() {
Some(parent) => parent,
None => continue,
};
let name_ast = match ident_pat.name() {
Some(name_ast) => name_ast,
None => continue,
};
let ident_pat = ptr.to_node(&root);
let parent = match ident_pat.syntax().parent() {
Some(parent) => parent,
None => continue,
};
let name_ast = match ident_pat.name() {
Some(name_ast) => name_ast,
None => continue,
};
let is_param = ast::Param::can_cast(parent.kind());
let is_param = ast::Param::can_cast(parent.kind());
// We have to check that it's either `let var = ...` or `var @ Variant(_)` statement,
// because e.g. match arms are patterns as well.
// In other words, we check that it's a named variable binding.
let is_binding = ast::LetStmt::can_cast(parent.kind())
|| (ast::MatchArm::can_cast(parent.kind())
&& ident_pat.at_token().is_some());
if !(is_param || is_binding) {
// This pattern is not an actual variable declaration, e.g. `Some(val) => {..}` match arm.
continue;
}
let ident_type =
if is_param { IdentType::Parameter } else { IdentType::Variable };
let diagnostic = IncorrectCase {
file: source_ptr.file_id,
ident_type,
ident: AstPtr::new(&name_ast),
expected_case: replacement.expected_case,
ident_text: replacement
.current_name
.display(self.db.upcast())
.to_string(),
suggested_text: replacement.suggested_text,
};
self.sink.push(diagnostic);
// We have to check that it's either `let var = ...` or `var @ Variant(_)` statement,
// because e.g. match arms are patterns as well.
// In other words, we check that it's a named variable binding.
let is_binding = ast::LetStmt::can_cast(parent.kind())
|| (ast::MatchArm::can_cast(parent.kind())
&& ident_pat.at_token().is_some());
if !(is_param || is_binding) {
// This pattern is not an actual variable declaration, e.g. `Some(val) => {..}` match arm.
continue;
}
let ident_type =
if is_param { IdentType::Parameter } else { IdentType::Variable };
let diagnostic = IncorrectCase {
file: source_ptr.file_id,
ident_type,
ident: AstPtr::new(&name_ast),
expected_case: replacement.expected_case,
ident_text: replacement.current_name.display(self.db.upcast()).to_string(),
suggested_text: replacement.suggested_text,
};
self.sink.push(diagnostic);
}
}
}

5
crates/hir-ty/src/mir/eval.rs
View file

@ -375,10 +375,7 @@ impl MirEvalError {
Err(_) => continue,
},
MirSpan::PatId(p) => match source_map.pat_syntax(*p) {
Ok(s) => s.map(|it| match it {
Either::Left(e) => e.into(),
Either::Right(e) => e.into(),
}),
Ok(s) => s.map(|it| it.syntax_node_ptr()),
Err(_) => continue,
},
MirSpan::Unknown => continue,

14
crates/hir-ty/src/tests.rs
View file

@ -269,12 +269,7 @@ fn pat_node(
Some(match body_source_map.pat_syntax(pat) {
Ok(sp) => {
let root = db.parse_or_expand(sp.file_id);
sp.map(|ptr| {
ptr.either(
|it| it.to_node(&root).syntax().clone(),
|it| it.to_node(&root).syntax().clone(),
)
})
sp.map(|ptr| ptr.to_node(&root).syntax().clone())
}
Err(SyntheticSyntax) => return None,
})
@ -303,12 +298,7 @@ fn infer_with_mismatches(content: &str, include_mismatches: bool) -> String {
let syntax_ptr = match body_source_map.pat_syntax(pat) {
Ok(sp) => {
let root = db.parse_or_expand(sp.file_id);
sp.map(|ptr| {
ptr.either(
|it| it.to_node(&root).syntax().clone(),
|it| it.to_node(&root).syntax().clone(),
)
})
sp.map(|ptr| ptr.to_node(&root).syntax().clone())
}
Err(SyntheticSyntax) => continue,
};