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|
// Simply gives a rough count of the number of nodes in an AST.
use rustc_ast::visit::*;
use rustc_ast::*;
use rustc_span::symbol::Ident;
use rustc_span::Span;
pub struct NodeCounter {
pub count: usize,
}
impl NodeCounter {
pub fn new() -> NodeCounter {
NodeCounter { count: 0 }
}
}
impl<'ast> Visitor<'ast> for NodeCounter {
fn visit_ident(&mut self, _ident: Ident) {
self.count += 1;
}
fn visit_foreign_item(&mut self, i: &ForeignItem) {
self.count += 1;
walk_foreign_item(self, i)
}
fn visit_item(&mut self, i: &Item) {
self.count += 1;
walk_item(self, i)
}
fn visit_local(&mut self, l: &Local) {
self.count += 1;
walk_local(self, l)
}
fn visit_block(&mut self, b: &Block) {
self.count += 1;
walk_block(self, b)
}
fn visit_stmt(&mut self, s: &Stmt) {
self.count += 1;
walk_stmt(self, s)
}
fn visit_arm(&mut self, a: &Arm) {
self.count += 1;
walk_arm(self, a)
}
fn visit_pat(&mut self, p: &Pat) {
self.count += 1;
walk_pat(self, p)
}
fn visit_expr(&mut self, ex: &Expr) {
self.count += 1;
walk_expr(self, ex)
}
fn visit_ty(&mut self, t: &Ty) {
self.count += 1;
walk_ty(self, t)
}
fn visit_generic_param(&mut self, param: &GenericParam) {
self.count += 1;
walk_generic_param(self, param)
}
fn visit_generics(&mut self, g: &Generics) {
self.count += 1;
walk_generics(self, g)
}
fn visit_fn(&mut self, fk: visit::FnKind<'_>, s: Span, _: NodeId) {
self.count += 1;
walk_fn(self, fk, s)
}
fn visit_assoc_item(&mut self, ti: &AssocItem, ctxt: AssocCtxt) {
self.count += 1;
walk_assoc_item(self, ti, ctxt);
}
fn visit_trait_ref(&mut self, t: &TraitRef) {
self.count += 1;
walk_trait_ref(self, t)
}
fn visit_param_bound(&mut self, bounds: &GenericBound, _ctxt: BoundKind) {
self.count += 1;
walk_param_bound(self, bounds)
}
fn visit_poly_trait_ref(&mut self, t: &PolyTraitRef, m: &TraitBoundModifier) {
self.count += 1;
walk_poly_trait_ref(self, t, m)
}
fn visit_variant_data(&mut self, s: &VariantData) {
self.count += 1;
walk_struct_def(self, s)
}
fn visit_field_def(&mut self, s: &FieldDef) {
self.count += 1;
walk_field_def(self, s)
}
fn visit_enum_def(
&mut self,
enum_definition: &EnumDef,
generics: &Generics,
item_id: NodeId,
_: Span,
) {
self.count += 1;
walk_enum_def(self, enum_definition, generics, item_id)
}
fn visit_variant(&mut self, v: &Variant) {
self.count += 1;
walk_variant(self, v)
}
fn visit_lifetime(&mut self, lifetime: &Lifetime, _: visit::LifetimeCtxt) {
self.count += 1;
walk_lifetime(self, lifetime)
}
fn visit_mac_call(&mut self, mac: &MacCall) {
self.count += 1;
walk_mac(self, mac)
}
fn visit_path(&mut self, path: &Path, _id: NodeId) {
self.count += 1;
walk_path(self, path)
}
fn visit_use_tree(&mut self, use_tree: &UseTree, id: NodeId, _nested: bool) {
self.count += 1;
walk_use_tree(self, use_tree, id)
}
fn visit_generic_args(&mut self, path_span: Span, generic_args: &GenericArgs) {
self.count += 1;
walk_generic_args(self, path_span, generic_args)
}
fn visit_assoc_constraint(&mut self, constraint: &AssocConstraint) {
self.count += 1;
walk_assoc_constraint(self, constraint)
}
fn visit_attribute(&mut self, _attr: &Attribute) {
self.count += 1;
}
}
|
