Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir/src/source_analyzer.rs')
-rw-r--r--crates/hir/src/source_analyzer.rs26
1 files changed, 19 insertions, 7 deletions
diff --git a/crates/hir/src/source_analyzer.rs b/crates/hir/src/source_analyzer.rs
index 3da67ae23f..5e05fad8c3 100644
--- a/crates/hir/src/source_analyzer.rs
+++ b/crates/hir/src/source_analyzer.rs
@@ -7,6 +7,11 @@
//! purely for "IDE needs".
use std::iter::{self, once};
+use crate::{
+ db::HirDatabase, semantics::PathResolution, Adt, AssocItem, BindingMode, BuiltinAttr,
+ BuiltinType, Callable, Const, DeriveHelper, Field, Function, Local, Macro, ModuleDef, Static,
+ Struct, ToolModule, Trait, TraitAlias, TupleField, Type, TypeAlias, Variant,
+};
use either::Either;
use hir_def::{
body::{
@@ -21,7 +26,7 @@ use hir_def::{
resolver::{resolver_for_scope, Resolver, TypeNs, ValueNs},
type_ref::Mutability,
AsMacroCall, AssocItemId, ConstId, DefWithBodyId, FieldId, FunctionId, ItemContainerId,
- LocalFieldId, Lookup, ModuleDefId, TraitId, VariantId,
+ LocalFieldId, Lookup, ModuleDefId, StructId, TraitId, VariantId,
};
use hir_expand::{
mod_path::path,
@@ -40,18 +45,13 @@ use hir_ty::{
use intern::sym;
use itertools::Itertools;
use smallvec::SmallVec;
+use syntax::ast::{RangeItem, RangeOp};
use syntax::{
ast::{self, AstNode},
SyntaxKind, SyntaxNode, TextRange, TextSize,
};
use triomphe::Arc;
-use crate::{
- db::HirDatabase, semantics::PathResolution, Adt, AssocItem, BindingMode, BuiltinAttr,
- BuiltinType, Callable, Const, DeriveHelper, Field, Function, Local, Macro, ModuleDef, Static,
- Struct, ToolModule, Trait, TraitAlias, TupleField, Type, TypeAlias, Variant,
-};
-
/// `SourceAnalyzer` is a convenience wrapper which exposes HIR API in terms of
/// original source files. It should not be used inside the HIR itself.
#[derive(Debug)]
@@ -348,6 +348,18 @@ impl SourceAnalyzer {
}
}
+ pub(crate) fn resolve_range_expr(
+ &self,
+ db: &dyn HirDatabase,
+ range_expr: &ast::RangeExpr,
+ ) -> Option<StructId> {
+ let path = match range_expr.op_kind()? {
+ RangeOp::Exclusive => path![core::ops::Range],
+ RangeOp::Inclusive => path![core::ops::RangeInclusive],
+ };
+ self.resolver.resolve_known_struct(db.upcast(), &path)
+ }
+
pub(crate) fn resolve_await_to_poll(
&self,
db: &dyn HirDatabase,