language-servers/rust-analyzer
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Introduce TyLoweringContext

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This commit is contained in:
Florian Diebold 2020-01-24 14:32:47 +01:00
parent 5397f05bfe
commit 22a65b11b3
6 changed files with 144 additions and 152 deletions
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9
crates/ra_hir/src/source_analyzer.rs
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@ -178,6 +178,11 @@ impl SourceAnalyzer {
}
}
fn trait_env(&self, db: &impl HirDatabase) -> Arc<TraitEnvironment> {
let ctx = hir_ty::TyLoweringContext { db, resolver: &self.resolver };
TraitEnvironment::lower(&ctx)
}
pub fn type_of(&self, db: &impl HirDatabase, expr: &ast::Expr) -> Option<Type> {
let expr_id = if let Some(expr) = self.expand_expr(db, InFile::new(self.file_id, expr)) {
self.body_source_map.as_ref()?.node_expr(expr.as_ref())?
@ -186,14 +191,14 @@ impl SourceAnalyzer {
};
let ty = self.infer.as_ref()?[expr_id].clone();
let environment = TraitEnvironment::lower(db, &self.resolver);
let environment = self.trait_env(db);
Some(Type { krate: self.resolver.krate()?, ty: InEnvironment { value: ty, environment } })
}
pub fn type_of_pat(&self, db: &impl HirDatabase, pat: &ast::Pat) -> Option<Type> {
let pat_id = self.pat_id(pat)?;
let ty = self.infer.as_ref()?[pat_id].clone();
let environment = TraitEnvironment::lower(db, &self.resolver);
let environment = self.trait_env(db);
Some(Type { krate: self.resolver.krate()?, ty: InEnvironment { value: ty, environment } })
}