Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-ty/src/diagnostics/decl_check.rs')
-rw-r--r--crates/hir-ty/src/diagnostics/decl_check.rs717
1 files changed, 314 insertions, 403 deletions
diff --git a/crates/hir-ty/src/diagnostics/decl_check.rs b/crates/hir-ty/src/diagnostics/decl_check.rs
index 78f2005e67..38eb3371e3 100644
--- a/crates/hir-ty/src/diagnostics/decl_check.rs
+++ b/crates/hir-ty/src/diagnostics/decl_check.rs
@@ -16,11 +16,9 @@ mod case_conv;
use std::fmt;
use hir_def::{
- data::adt::VariantData,
- hir::{Pat, PatId},
- src::HasSource,
- AdtId, AttrDefId, ConstId, EnumId, FunctionId, ItemContainerId, Lookup, ModuleDefId, ModuleId,
- StaticId, StructId,
+ data::adt::VariantData, db::DefDatabase, hir::Pat, src::HasSource, AdtId, AttrDefId, ConstId,
+ EnumId, FunctionId, ItemContainerId, Lookup, ModuleDefId, ModuleId, StaticId, StructId,
+ TraitId, TypeAliasId,
};
use hir_expand::{
name::{AsName, Name},
@@ -79,12 +77,14 @@ pub enum IdentType {
Enum,
Field,
Function,
+ Module,
Parameter,
StaticVariable,
Structure,
+ Trait,
+ TypeAlias,
Variable,
Variant,
- Module,
}
impl fmt::Display for IdentType {
@@ -94,12 +94,14 @@ impl fmt::Display for IdentType {
IdentType::Enum => "Enum",
IdentType::Field => "Field",
IdentType::Function => "Function",
+ IdentType::Module => "Module",
IdentType::Parameter => "Parameter",
IdentType::StaticVariable => "Static variable",
IdentType::Structure => "Structure",
+ IdentType::Trait => "Trait",
+ IdentType::TypeAlias => "Type alias",
IdentType::Variable => "Variable",
IdentType::Variant => "Variant",
- IdentType::Module => "Module",
};
repr.fmt(f)
@@ -136,10 +138,12 @@ impl<'a> DeclValidator<'a> {
pub(super) fn validate_item(&mut self, item: ModuleDefId) {
match item {
ModuleDefId::ModuleId(module_id) => self.validate_module(module_id),
+ ModuleDefId::TraitId(trait_id) => self.validate_trait(trait_id),
ModuleDefId::FunctionId(func) => self.validate_func(func),
ModuleDefId::AdtId(adt) => self.validate_adt(adt),
ModuleDefId::ConstId(const_id) => self.validate_const(const_id),
ModuleDefId::StaticId(static_id) => self.validate_static(static_id),
+ ModuleDefId::TypeAliasId(type_alias_id) => self.validate_type_alias(type_alias_id),
_ => (),
}
}
@@ -242,50 +246,46 @@ impl<'a> DeclValidator<'a> {
// Check the module name.
let Some(module_name) = module_id.name(self.db.upcast()) else { return };
- let module_name_replacement =
+ let Some(module_name_replacement) =
module_name.as_str().and_then(to_lower_snake_case).map(|new_name| Replacement {
current_name: module_name,
suggested_text: new_name,
expected_case: CaseType::LowerSnakeCase,
- });
-
- if let Some(module_name_replacement) = module_name_replacement {
- let module_data = &module_id.def_map(self.db.upcast())[module_id.local_id];
- let module_src = module_data.declaration_source(self.db.upcast());
-
- if let Some(module_src) = module_src {
- let ast_ptr = match module_src.value.name() {
- Some(name) => name,
- None => {
- never!(
- "Replacement ({:?}) was generated for a module without a name: {:?}",
- module_name_replacement,
- module_src
- );
- return;
- }
- };
-
- let diagnostic = IncorrectCase {
- file: module_src.file_id,
- ident_type: IdentType::Module,
- ident: AstPtr::new(&ast_ptr),
- expected_case: module_name_replacement.expected_case,
- ident_text: module_name_replacement
- .current_name
- .display(self.db.upcast())
- .to_string(),
- suggested_text: module_name_replacement.suggested_text,
- };
-
- self.sink.push(diagnostic);
- }
+ })
+ else {
+ return;
+ };
+ let module_data = &module_id.def_map(self.db.upcast())[module_id.local_id];
+ let Some(module_src) = module_data.declaration_source(self.db.upcast()) else {
+ return;
+ };
+ self.create_incorrect_case_diagnostic_for_ast_node(
+ module_name_replacement,
+ module_src.file_id,
+ &module_src.value,
+ IdentType::Module,
+ );
+ }
+
+ fn validate_trait(&mut self, trait_id: TraitId) {
+ // Check whether non-snake case identifiers are allowed for this trait.
+ if self.allowed(trait_id.into(), allow::NON_CAMEL_CASE_TYPES, false) {
+ return;
}
+
+ // Check the trait name.
+ let data = self.db.trait_data(trait_id);
+ self.create_incorrect_case_diagnostic_for_item_name(
+ trait_id,
+ &data.name,
+ CaseType::UpperCamelCase,
+ IdentType::Trait,
+ );
}
fn validate_func(&mut self, func: FunctionId) {
- let data = self.db.function_data(func);
- if matches!(func.lookup(self.db.upcast()).container, ItemContainerId::ExternBlockId(_)) {
+ let container = func.lookup(self.db.upcast()).container;
+ if matches!(container, ItemContainerId::ExternBlockId(_)) {
cov_mark::hit!(extern_func_incorrect_case_ignored);
return;
}
@@ -296,270 +296,173 @@ impl<'a> DeclValidator<'a> {
}
// Check the function name.
- let function_name = data.name.display(self.db.upcast()).to_string();
- let fn_name_replacement = to_lower_snake_case(&function_name).map(|new_name| Replacement {
- current_name: data.name.clone(),
- suggested_text: new_name,
- expected_case: CaseType::LowerSnakeCase,
- });
-
- let body = self.db.body(func.into());
+ // Skipped if function is an associated item of a trait implementation.
+ if !self.is_trait_impl_container(container) {
+ let data = self.db.function_data(func);
+ self.create_incorrect_case_diagnostic_for_item_name(
+ func,
+ &data.name,
+ CaseType::LowerSnakeCase,
+ IdentType::Function,
+ );
+ } else {
+ cov_mark::hit!(trait_impl_assoc_func_name_incorrect_case_ignored);
+ }
// Check the patterns inside the function body.
- // This includes function parameters.
- let pats_replacements = body
+ self.validate_func_body(func);
+ }
+
+ /// Check incorrect names for patterns inside the function body.
+ /// This includes function parameters except for trait implementation associated functions.
+ fn validate_func_body(&mut self, func: FunctionId) {
+ let body = self.db.body(func.into());
+ let mut pats_replacements = body
.pats
.iter()
.filter_map(|(pat_id, pat)| match pat {
- Pat::Bind { id, .. } => Some((pat_id, &body.bindings[*id].name)),
- _ => None,
- })
- .filter_map(|(id, bind_name)| {
- Some((
- id,
- Replacement {
+ Pat::Bind { id, .. } => {
+ let bind_name = &body.bindings[*id].name;
+ let replacement = Replacement {
current_name: bind_name.clone(),
- suggested_text: to_lower_snake_case(
- &bind_name.display(self.db.upcast()).to_string(),
- )?,
+ suggested_text: to_lower_snake_case(&bind_name.to_smol_str())?,
expected_case: CaseType::LowerSnakeCase,
- },
- ))
+ };
+ Some((pat_id, replacement))
+ }
+ _ => None,
})
- .collect();
+ .peekable();
- // If there is at least one element to spawn a warning on, go to the source map and generate a warning.
- if let Some(fn_name_replacement) = fn_name_replacement {
- self.create_incorrect_case_diagnostic_for_func(func, fn_name_replacement);
- }
-
- self.create_incorrect_case_diagnostic_for_variables(func, pats_replacements);
- }
-
- /// Given the information about incorrect names in the function declaration, looks up into the source code
- /// for exact locations and adds diagnostics into the sink.
- fn create_incorrect_case_diagnostic_for_func(
- &mut self,
- func: FunctionId,
- fn_name_replacement: Replacement,
- ) {
- let fn_loc = func.lookup(self.db.upcast());
- let fn_src = fn_loc.source(self.db.upcast());
-
- // Diagnostic for function name.
- let ast_ptr = match fn_src.value.name() {
- Some(name) => name,
- None => {
- never!(
- "Replacement ({:?}) was generated for a function without a name: {:?}",
- fn_name_replacement,
- fn_src
- );
- return;
- }
- };
-
- let diagnostic = IncorrectCase {
- file: fn_src.file_id,
- ident_type: IdentType::Function,
- ident: AstPtr::new(&ast_ptr),
- expected_case: fn_name_replacement.expected_case,
- ident_text: fn_name_replacement.current_name.display(self.db.upcast()).to_string(),
- suggested_text: fn_name_replacement.suggested_text,
- };
-
- self.sink.push(diagnostic);
- }
-
- /// Given the information about incorrect variable names, looks up into the source code
- /// for exact locations and adds diagnostics into the sink.
- fn create_incorrect_case_diagnostic_for_variables(
- &mut self,
- func: FunctionId,
- pats_replacements: Vec<(PatId, Replacement)>,
- ) {
// XXX: only look at source_map if we do have missing fields
- if pats_replacements.is_empty() {
+ if pats_replacements.peek().is_none() {
return;
}
let (_, source_map) = self.db.body_with_source_map(func.into());
-
for (id, replacement) in pats_replacements {
- if let Ok(source_ptr) = source_map.pat_syntax(id) {
- if let Some(ptr) = source_ptr.value.cast::<ast::IdentPat>() {
- let root = source_ptr.file_syntax(self.db.upcast());
- 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());
-
- // 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 Ok(source_ptr) = source_map.pat_syntax(id) else {
+ continue;
+ };
+ let Some(ptr) = source_ptr.value.cast::<ast::IdentPat>() else {
+ continue;
+ };
+ let root = source_ptr.file_syntax(self.db.upcast());
+ let ident_pat = ptr.to_node(&root);
+ let Some(parent) = ident_pat.syntax().parent() else {
+ continue;
+ };
- let ident_type =
- if is_param { IdentType::Parameter } else { IdentType::Variable };
+ 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 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,
- };
+ let ident_type = if is_param { IdentType::Parameter } else { IdentType::Variable };
- self.sink.push(diagnostic);
- }
- }
+ self.create_incorrect_case_diagnostic_for_ast_node(
+ replacement,
+ source_ptr.file_id,
+ &ident_pat,
+ ident_type,
+ );
}
}
fn validate_struct(&mut self, struct_id: StructId) {
- let data = self.db.struct_data(struct_id);
-
+ // Check the structure name.
let non_camel_case_allowed =
self.allowed(struct_id.into(), allow::NON_CAMEL_CASE_TYPES, false);
- let non_snake_case_allowed = self.allowed(struct_id.into(), allow::NON_SNAKE_CASE, false);
-
- // Check the structure name.
- let struct_name = data.name.display(self.db.upcast()).to_string();
- let struct_name_replacement = if !non_camel_case_allowed {
- to_camel_case(&struct_name).map(|new_name| Replacement {
- current_name: data.name.clone(),
- suggested_text: new_name,
- expected_case: CaseType::UpperCamelCase,
- })
- } else {
- None
- };
+ if !non_camel_case_allowed {
+ let data = self.db.struct_data(struct_id);
+ self.create_incorrect_case_diagnostic_for_item_name(
+ struct_id,
+ &data.name,
+ CaseType::UpperCamelCase,
+ IdentType::Structure,
+ );
+ }
// Check the field names.
- let mut struct_fields_replacements = Vec::new();
-
- if !non_snake_case_allowed {
- if let VariantData::Record(fields) = data.variant_data.as_ref() {
- for (_, field) in fields.iter() {
- let field_name = field.name.display(self.db.upcast()).to_string();
- if let Some(new_name) = to_lower_snake_case(&field_name) {
- let replacement = Replacement {
- current_name: field.name.clone(),
- suggested_text: new_name,
- expected_case: CaseType::LowerSnakeCase,
- };
- struct_fields_replacements.push(replacement);
- }
- }
- }
+ self.validate_struct_fields(struct_id);
+ }
+
+ /// Check incorrect names for struct fields.
+ fn validate_struct_fields(&mut self, struct_id: StructId) {
+ if self.allowed(struct_id.into(), allow::NON_SNAKE_CASE, false) {
+ return;
}
- // If there is at least one element to spawn a warning on, go to the source map and generate a warning.
- self.create_incorrect_case_diagnostic_for_struct(
- struct_id,
- struct_name_replacement,
- struct_fields_replacements,
- );
- }
+ let data = self.db.struct_data(struct_id);
+ let VariantData::Record(fields) = data.variant_data.as_ref() else {
+ return;
+ };
+ let mut struct_fields_replacements = fields
+ .iter()
+ .filter_map(|(_, field)| {
+ to_lower_snake_case(&field.name.to_smol_str()).map(|new_name| Replacement {
+ current_name: field.name.clone(),
+ suggested_text: new_name,
+ expected_case: CaseType::LowerSnakeCase,
+ })
+ })
+ .peekable();
- /// Given the information about incorrect names in the struct declaration, looks up into the source code
- /// for exact locations and adds diagnostics into the sink.
- fn create_incorrect_case_diagnostic_for_struct(
- &mut self,
- struct_id: StructId,
- struct_name_replacement: Option<Replacement>,
- struct_fields_replacements: Vec<Replacement>,
- ) {
// XXX: Only look at sources if we do have incorrect names.
- if struct_name_replacement.is_none() && struct_fields_replacements.is_empty() {
+ if struct_fields_replacements.peek().is_none() {
return;
}
let struct_loc = struct_id.lookup(self.db.upcast());
let struct_src = struct_loc.source(self.db.upcast());
- if let Some(replacement) = struct_name_replacement {
- let ast_ptr = match struct_src.value.name() {
- Some(name) => name,
- None => {
- never!(
- "Replacement ({:?}) was generated for a structure without a name: {:?}",
- replacement,
- struct_src
- );
- return;
- }
- };
-
- let diagnostic = IncorrectCase {
- file: struct_src.file_id,
- ident_type: IdentType::Structure,
- ident: AstPtr::new(&ast_ptr),
- 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);
- }
-
- let struct_fields_list = match struct_src.value.field_list() {
- Some(ast::FieldList::RecordFieldList(fields)) => fields,
- _ => {
- always!(
- struct_fields_replacements.is_empty(),
- "Replacements ({:?}) were generated for a structure fields which had no fields list: {:?}",
- struct_fields_replacements,
- struct_src
- );
- return;
- }
+ let Some(ast::FieldList::RecordFieldList(struct_fields_list)) =
+ struct_src.value.field_list()
+ else {
+ always!(
+ struct_fields_replacements.peek().is_none(),
+ "Replacements ({:?}) were generated for a structure fields \
+ which had no fields list: {:?}",
+ struct_fields_replacements.collect::<Vec<_>>(),
+ struct_src
+ );
+ return;
};
let mut struct_fields_iter = struct_fields_list.fields();
- for field_to_rename in struct_fields_replacements {
+ for field_replacement in struct_fields_replacements {
// We assume that parameters in replacement are in the same order as in the
// actual params list, but just some of them (ones that named correctly) are skipped.
- let ast_ptr = loop {
- match struct_fields_iter.next().and_then(|field| field.name()) {
- Some(field_name) => {
- if field_name.as_name() == field_to_rename.current_name {
- break field_name;
- }
- }
- None => {
- never!(
- "Replacement ({:?}) was generated for a structure field which was not found: {:?}",
- field_to_rename, struct_src
- );
- return;
+ let field = loop {
+ if let Some(field) = struct_fields_iter.next() {
+ let Some(field_name) = field.name() else {
+ continue;
+ };
+ if field_name.as_name() == field_replacement.current_name {
+ break field;
}
+ } else {
+ never!(
+ "Replacement ({:?}) was generated for a structure field \
+ which was not found: {:?}",
+ field_replacement,
+ struct_src
+ );
+ return;
}
};
- let diagnostic = IncorrectCase {
- file: struct_src.file_id,
- ident_type: IdentType::Field,
- ident: AstPtr::new(&ast_ptr),
- expected_case: field_to_rename.expected_case,
- ident_text: field_to_rename.current_name.display(self.db.upcast()).to_string(),
- suggested_text: field_to_rename.suggested_text,
- };
-
- self.sink.push(diagnostic);
+ self.create_incorrect_case_diagnostic_for_ast_node(
+ field_replacement,
+ struct_src.file_id,
+ &field,
+ IdentType::Field,
+ );
}
}
@@ -572,163 +475,103 @@ impl<'a> DeclValidator<'a> {
}
// Check the enum name.
- let enum_name = data.name.display(self.db.upcast()).to_string();
- let enum_name_replacement = to_camel_case(&enum_name).map(|new_name| Replacement {
- current_name: data.name.clone(),
- suggested_text: new_name,
- expected_case: CaseType::UpperCamelCase,
- });
+ self.create_incorrect_case_diagnostic_for_item_name(
+ enum_id,
+ &data.name,
+ CaseType::UpperCamelCase,
+ IdentType::Enum,
+ );
- // Check the field names.
- let enum_fields_replacements = data
+ // Check the variant names.
+ self.validate_enum_variants(enum_id)
+ }
+
+ /// Check incorrect names for enum variants.
+ fn validate_enum_variants(&mut self, enum_id: EnumId) {
+ let data = self.db.enum_data(enum_id);
+ let mut enum_variants_replacements = data
.variants
.iter()
.filter_map(|(_, name)| {
- Some(Replacement {
+ to_camel_case(&name.to_smol_str()).map(|new_name| Replacement {
current_name: name.clone(),
- suggested_text: to_camel_case(&name.to_smol_str())?,
+ suggested_text: new_name,
expected_case: CaseType::UpperCamelCase,
})
})
- .collect();
-
- // If there is at least one element to spawn a warning on, go to the source map and generate a warning.
- self.create_incorrect_case_diagnostic_for_enum(
- enum_id,
- enum_name_replacement,
- enum_fields_replacements,
- )
- }
+ .peekable();
- /// Given the information about incorrect names in the struct declaration, looks up into the source code
- /// for exact locations and adds diagnostics into the sink.
- fn create_incorrect_case_diagnostic_for_enum(
- &mut self,
- enum_id: EnumId,
- enum_name_replacement: Option<Replacement>,
- enum_variants_replacements: Vec<Replacement>,
- ) {
// XXX: only look at sources if we do have incorrect names
- if enum_name_replacement.is_none() && enum_variants_replacements.is_empty() {
+ if enum_variants_replacements.peek().is_none() {
return;
}
let enum_loc = enum_id.lookup(self.db.upcast());
let enum_src = enum_loc.source(self.db.upcast());
- if let Some(replacement) = enum_name_replacement {
- let ast_ptr = match enum_src.value.name() {
- Some(name) => name,
- None => {
- never!(
- "Replacement ({:?}) was generated for a enum without a name: {:?}",
- replacement,
- enum_src
- );
- return;
- }
- };
-
- let diagnostic = IncorrectCase {
- file: enum_src.file_id,
- ident_type: IdentType::Enum,
- ident: AstPtr::new(&ast_ptr),
- 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);
- }
-
- let enum_variants_list = match enum_src.value.variant_list() {
- Some(variants) => variants,
- _ => {
- always!(
- enum_variants_replacements.is_empty(),
- "Replacements ({:?}) were generated for a enum variants which had no fields list: {:?}",
- enum_variants_replacements,
- enum_src
- );
- return;
- }
+ let Some(enum_variants_list) = enum_src.value.variant_list() else {
+ always!(
+ enum_variants_replacements.peek().is_none(),
+ "Replacements ({:?}) were generated for enum variants \
+ which had no fields list: {:?}",
+ enum_variants_replacements,
+ enum_src
+ );
+ return;
};
let mut enum_variants_iter = enum_variants_list.variants();
- for variant_to_rename in enum_variants_replacements {
+ for variant_replacement in enum_variants_replacements {
// We assume that parameters in replacement are in the same order as in the
// actual params list, but just some of them (ones that named correctly) are skipped.
- let ast_ptr = loop {
- match enum_variants_iter.next().and_then(|v| v.name()) {
- Some(variant_name) => {
- if variant_name.as_name() == variant_to_rename.current_name {
- break variant_name;
- }
- }
- None => {
- never!(
- "Replacement ({:?}) was generated for a enum variant which was not found: {:?}",
- variant_to_rename, enum_src
- );
- return;
+ let variant = loop {
+ if let Some(variant) = enum_variants_iter.next() {
+ let Some(variant_name) = variant.name() else {
+ continue;
+ };
+ if variant_name.as_name() == variant_replacement.current_name {
+ break variant;
}
+ } else {
+ never!(
+ "Replacement ({:?}) was generated for an enum variant \
+ which was not found: {:?}",
+ variant_replacement,
+ enum_src
+ );
+ return;
}
};
- let diagnostic = IncorrectCase {
- file: enum_src.file_id,
- ident_type: IdentType::Variant,
- ident: AstPtr::new(&ast_ptr),
- expected_case: variant_to_rename.expected_case,
- ident_text: variant_to_rename.current_name.display(self.db.upcast()).to_string(),
- suggested_text: variant_to_rename.suggested_text,
- };
-
- self.sink.push(diagnostic);
+ self.create_incorrect_case_diagnostic_for_ast_node(
+ variant_replacement,
+ enum_src.file_id,
+ &variant,
+ IdentType::Variant,
+ );
}
}
fn validate_const(&mut self, const_id: ConstId) {
- let data = self.db.const_data(const_id);
+ let container = const_id.lookup(self.db.upcast()).container;
+ if self.is_trait_impl_container(container) {
+ cov_mark::hit!(trait_impl_assoc_const_incorrect_case_ignored);
+ return;
+ }
if self.allowed(const_id.into(), allow::NON_UPPER_CASE_GLOBAL, false) {
return;
}
- let name = match &data.name {
- Some(name) => name,
- None => return,
- };
-
- let const_name = name.to_smol_str();
- let replacement = if let Some(new_name) = to_upper_snake_case(&const_name) {
- Replacement {
- current_name: name.clone(),
- suggested_text: new_name,
- expected_case: CaseType::UpperSnakeCase,
- }
- } else {
- // Nothing to do here.
+ let data = self.db.const_data(const_id);
+ let Some(name) = &data.name else {
return;
};
-
- let const_loc = const_id.lookup(self.db.upcast());
- let const_src = const_loc.source(self.db.upcast());
-
- let ast_ptr = match const_src.value.name() {
- Some(name) => name,
- None => return,
- };
-
- let diagnostic = IncorrectCase {
- file: const_src.file_id,
- ident_type: IdentType::Constant,
- ident: AstPtr::new(&ast_ptr),
- 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);
+ self.create_incorrect_case_diagnostic_for_item_name(
+ const_id,
+ name,
+ CaseType::UpperSnakeCase,
+ IdentType::Constant,
+ );
}
fn validate_static(&mut self, static_id: StaticId) {
@@ -742,32 +585,91 @@ impl<'a> DeclValidator<'a> {
return;
}
- let name = &data.name;
+ self.create_incorrect_case_diagnostic_for_item_name(
+ static_id,
+ &data.name,
+ CaseType::UpperSnakeCase,
+ IdentType::StaticVariable,
+ );
+ }
- let static_name = name.to_smol_str();
- let replacement = if let Some(new_name) = to_upper_snake_case(&static_name) {
- Replacement {
- current_name: name.clone(),
- suggested_text: new_name,
- expected_case: CaseType::UpperSnakeCase,
- }
- } else {
- // Nothing to do here.
+ fn validate_type_alias(&mut self, type_alias_id: TypeAliasId) {
+ let container = type_alias_id.lookup(self.db.upcast()).container;
+ if self.is_trait_impl_container(container) {
+ cov_mark::hit!(trait_impl_assoc_type_incorrect_case_ignored);
+ return;
+ }
+
+ // Check whether non-snake case identifiers are allowed for this type alias.
+ if self.allowed(type_alias_id.into(), allow::NON_CAMEL_CASE_TYPES, false) {
+ return;
+ }
+
+ // Check the type alias name.
+ let data = self.db.type_alias_data(type_alias_id);
+ self.create_incorrect_case_diagnostic_for_item_name(
+ type_alias_id,
+ &data.name,
+ CaseType::UpperCamelCase,
+ IdentType::TypeAlias,
+ );
+ }
+
+ fn create_incorrect_case_diagnostic_for_item_name<N, S, L>(
+ &mut self,
+ item_id: L,
+ name: &Name,
+ expected_case: CaseType,
+ ident_type: IdentType,
+ ) where
+ N: AstNode + HasName + fmt::Debug,
+ S: HasSource<Value = N>,
+ L: Lookup<Data = S, Database<'a> = dyn DefDatabase + 'a>,
+ {
+ let to_expected_case_type = match expected_case {
+ CaseType::LowerSnakeCase => to_lower_snake_case,
+ CaseType::UpperSnakeCase => to_upper_snake_case,
+ CaseType::UpperCamelCase => to_camel_case,
+ };
+ let Some(replacement) = to_expected_case_type(&name.to_smol_str()).map(|new_name| {
+ Replacement { current_name: name.clone(), suggested_text: new_name, expected_case }
+ }) else {
return;
};
- let static_loc = static_id.lookup(self.db.upcast());
- let static_src = static_loc.source(self.db.upcast());
+ let item_loc = item_id.lookup(self.db.upcast());
+ let item_src = item_loc.source(self.db.upcast());
+ self.create_incorrect_case_diagnostic_for_ast_node(
+ replacement,
+ item_src.file_id,
+ &item_src.value,
+ ident_type,
+ );
+ }
- let ast_ptr = match static_src.value.name() {
- Some(name) => name,
- None => return,
+ fn create_incorrect_case_diagnostic_for_ast_node<T>(
+ &mut self,
+ replacement: Replacement,
+ file_id: HirFileId,
+ node: &T,
+ ident_type: IdentType,
+ ) where
+ T: AstNode + HasName + fmt::Debug,
+ {
+ let Some(name_ast) = node.name() else {
+ never!(
+ "Replacement ({:?}) was generated for a {:?} without a name: {:?}",
+ replacement,
+ ident_type,
+ node
+ );
+ return;
};
let diagnostic = IncorrectCase {
- file: static_src.file_id,
- ident_type: IdentType::StaticVariable,
- ident: AstPtr::new(&ast_ptr),
+ file: 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,
@@ -775,4 +677,13 @@ impl<'a> DeclValidator<'a> {
self.sink.push(diagnostic);
}
+
+ fn is_trait_impl_container(&self, container_id: ItemContainerId) -> bool {
+ if let ItemContainerId::ImplId(impl_id) = container_id {
+ if self.db.impl_trait(impl_id).is_some() {
+ return true;
+ }
+ }
+ false
+ }
}