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spans always come from real file

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This commit is contained in:
Lukas Wirth 2023-11-24 16:38:48 +01:00
parent 394d11b0fa
commit 30093a6d81
57 changed files with 1369 additions and 1224 deletions
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34
crates/hir/src/lib.rs
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@ -59,7 +59,7 @@ use hir_def::{
Lookup, MacroExpander, MacroId, ModuleId, StaticId, StructId, TraitAliasId, TraitId,
TypeAliasId, TypeOrConstParamId, TypeParamId, UnionId,
};
use hir_expand::{name::name, MacroCallKind};
use hir_expand::{name::name, InMacroFile, MacroCallKind};
use hir_ty::{
all_super_traits, autoderef, check_orphan_rules,
consteval::{try_const_usize, unknown_const_as_generic, ConstEvalError, ConstExt},
@ -3483,11 +3483,41 @@ impl Impl {
self.id.lookup(db.upcast()).container.into()
}
pub fn as_builtin_derive(self, db: &dyn HirDatabase) -> Option<InFile<ast::Attr>> {
pub fn as_builtin_derive_attr(self, db: &dyn HirDatabase) -> Option<InFile<ast::Attr>> {
let src = self.source(db)?;
src.file_id.as_builtin_derive_attr_node(db.upcast())
}
pub fn as_builtin_derive_path(self, db: &dyn HirDatabase) -> Option<InMacroFile<ast::Path>> {
let src = self.source(db)?;
let macro_file = src.file_id.macro_file()?;
let loc = db.lookup_intern_macro_call(macro_file.macro_call_id);
let (derive_attr, derive_index) = match loc.kind {
MacroCallKind::Derive { ast_id, derive_attr_index, derive_index } => {
let module_id = self.id.lookup(db.upcast()).container;
(
db.crate_def_map(module_id.krate())[module_id.local_id]
.scope
.derive_macro_invoc(ast_id, derive_attr_index)?,
derive_index,
)
}
_ => return None,
};
let file_id = MacroFile { macro_call_id: derive_attr };
let path = db
.parse_macro_expansion(file_id)
.value
.0
.syntax_node()
.children()
.nth(derive_index as usize)
.and_then(<ast::Attr as AstNode>::cast)
.and_then(|it| it.path())?;
Some(InMacroFile { file_id, value: path })
}
pub fn check_orphan_rules(self, db: &dyn HirDatabase) -> bool {
check_orphan_rules(db, self.id)
}