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Add check_generic_arg early pass

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This commit is contained in:
Santiago Pastorino 2020-10-09 19:20:06 -03:00
parent 27411d6d2b
commit 03defb627c
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GPG Key ID: 8131A24E0C79EFAF
3 changed files with 19 additions and 5 deletions
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17
compiler/rustc_ast/src/visit.rs
View File

@ -200,11 +200,7 @@ pub trait Visitor<'ast>: Sized {
walk_generic_args(self, path_span, generic_args)
}
fn visit_generic_arg(&mut self, generic_arg: &'ast GenericArg) {
match generic_arg {
GenericArg::Lifetime(lt) => self.visit_lifetime(lt),
GenericArg::Type(ty) => self.visit_ty(ty),
GenericArg::Const(ct) => self.visit_anon_const(ct),
}
walk_generic_arg(self, generic_arg)
}
fn visit_assoc_ty_constraint(&mut self, constraint: &'ast AssocTyConstraint) {
walk_assoc_ty_constraint(self, constraint)
@ -486,6 +482,17 @@ where
}
}
pub fn walk_generic_arg<'a, V>(visitor: &mut V, generic_arg: &'a GenericArg)
where
V: Visitor<'a>,
{
match generic_arg {
GenericArg::Lifetime(lt) => visitor.visit_lifetime(lt),
GenericArg::Type(ty) => visitor.visit_ty(ty),
GenericArg::Const(ct) => visitor.visit_anon_const(ct),
}
}
pub fn walk_assoc_ty_constraint<'a, V: Visitor<'a>>(
visitor: &mut V,
constraint: &'a AssocTyConstraint,

5
compiler/rustc_lint/src/early.rs
View File

@ -195,6 +195,11 @@ impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T>
run_early_pass!(self, check_expr_post, e);
}
fn visit_generic_arg(&mut self, arg: &'a ast::GenericArg) {
run_early_pass!(self, check_generic_arg, arg);
ast_visit::walk_generic_arg(self, arg);
}
fn visit_generic_param(&mut self, param: &'a ast::GenericParam) {
run_early_pass!(self, check_generic_param, param);
ast_visit::walk_generic_param(self, param);

2
compiler/rustc_lint/src/passes.rs
View File

@ -33,6 +33,7 @@ macro_rules! late_lint_methods {
fn check_expr(a: &$hir hir::Expr<$hir>);
fn check_expr_post(a: &$hir hir::Expr<$hir>);
fn check_ty(a: &$hir hir::Ty<$hir>);
fn check_generic_arg(a: &$hir hir::GenericArg<$hir>);
fn check_generic_param(a: &$hir hir::GenericParam<$hir>);
fn check_generics(a: &$hir hir::Generics<$hir>);
fn check_where_predicate(a: &$hir hir::WherePredicate<$hir>);
@ -176,6 +177,7 @@ macro_rules! early_lint_methods {
fn check_expr(a: &ast::Expr);
fn check_expr_post(a: &ast::Expr);
fn check_ty(a: &ast::Ty);
fn check_generic_arg(a: &ast::GenericArg);
fn check_generic_param(a: &ast::GenericParam);
fn check_generics(a: &ast::Generics);
fn check_where_predicate(a: &ast::WherePredicate);