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Emits loc, and node count - before and after expansion. E.g., ``` rustc: x86_64-unknown-linux-gnu/stage2/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore Lines of code: 32060 Pre-expansion node count: 120205 Post-expansion node count: 482749 ```
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT | ||
| // file at the top-level directory of this distribution and at | ||
| // http://rust-lang.org/COPYRIGHT. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
| // option. This file may not be copied, modified, or distributed | ||
| // except according to those terms. | ||
|
|
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| // Simply gives a rought count of the number of nodes in an AST. | ||
|
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| use visit::*; | ||
| use ast::*; | ||
| use codemap::Span; | ||
|
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| pub struct NodeCounter { | ||
| pub count: usize, | ||
| } | ||
|
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| impl NodeCounter { | ||
| pub fn new() -> NodeCounter { | ||
| NodeCounter { | ||
| count: 0, | ||
| } | ||
| } | ||
| } | ||
|
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| impl<'v> Visitor<'v> for NodeCounter { | ||
| fn visit_ident(&mut self, span: Span, ident: Ident) { | ||
| self.count += 1; | ||
| walk_ident(self, span, ident); | ||
| } | ||
| fn visit_mod(&mut self, m: &'v Mod, _s: Span, _n: NodeId) { | ||
| self.count += 1; | ||
| walk_mod(self, m) | ||
| } | ||
| fn visit_foreign_item(&mut self, i: &'v ForeignItem) { | ||
| self.count += 1; | ||
| walk_foreign_item(self, i) | ||
| } | ||
| fn visit_item(&mut self, i: &'v Item) { | ||
| self.count += 1; | ||
| walk_item(self, i) | ||
| } | ||
| fn visit_local(&mut self, l: &'v Local) { | ||
| self.count += 1; | ||
| walk_local(self, l) | ||
| } | ||
| fn visit_block(&mut self, b: &'v Block) { | ||
| self.count += 1; | ||
| walk_block(self, b) | ||
| } | ||
| fn visit_stmt(&mut self, s: &'v Stmt) { | ||
| self.count += 1; | ||
| walk_stmt(self, s) | ||
| } | ||
| fn visit_arm(&mut self, a: &'v Arm) { | ||
| self.count += 1; | ||
| walk_arm(self, a) | ||
| } | ||
| fn visit_pat(&mut self, p: &'v Pat) { | ||
| self.count += 1; | ||
| walk_pat(self, p) | ||
| } | ||
| fn visit_decl(&mut self, d: &'v Decl) { | ||
| self.count += 1; | ||
| walk_decl(self, d) | ||
| } | ||
| fn visit_expr(&mut self, ex: &'v Expr) { | ||
| self.count += 1; | ||
| walk_expr(self, ex) | ||
| } | ||
| fn visit_ty(&mut self, t: &'v Ty) { | ||
| self.count += 1; | ||
| walk_ty(self, t) | ||
| } | ||
| fn visit_generics(&mut self, g: &'v Generics) { | ||
| self.count += 1; | ||
| walk_generics(self, g) | ||
| } | ||
| fn visit_fn(&mut self, fk: FnKind<'v>, fd: &'v FnDecl, b: &'v Block, s: Span, _: NodeId) { | ||
| self.count += 1; | ||
| walk_fn(self, fk, fd, b, s) | ||
| } | ||
| fn visit_trait_item(&mut self, ti: &'v TraitItem) { | ||
| self.count += 1; | ||
| walk_trait_item(self, ti) | ||
| } | ||
| fn visit_impl_item(&mut self, ii: &'v ImplItem) { | ||
| self.count += 1; | ||
| walk_impl_item(self, ii) | ||
| } | ||
| fn visit_trait_ref(&mut self, t: &'v TraitRef) { | ||
| self.count += 1; | ||
| walk_trait_ref(self, t) | ||
| } | ||
| fn visit_ty_param_bound(&mut self, bounds: &'v TyParamBound) { | ||
| self.count += 1; | ||
| walk_ty_param_bound(self, bounds) | ||
| } | ||
| fn visit_poly_trait_ref(&mut self, t: &'v PolyTraitRef, m: &'v TraitBoundModifier) { | ||
| self.count += 1; | ||
| walk_poly_trait_ref(self, t, m) | ||
| } | ||
| fn visit_variant_data(&mut self, s: &'v VariantData, _: Ident, | ||
| _: &'v Generics, _: NodeId, _: Span) { | ||
| self.count += 1; | ||
| walk_struct_def(self, s) | ||
| } | ||
| fn visit_struct_field(&mut self, s: &'v StructField) { | ||
| self.count += 1; | ||
| walk_struct_field(self, s) | ||
| } | ||
| fn visit_enum_def(&mut self, enum_definition: &'v EnumDef, | ||
| generics: &'v Generics, item_id: NodeId, _: Span) { | ||
| self.count += 1; | ||
| walk_enum_def(self, enum_definition, generics, item_id) | ||
| } | ||
| fn visit_variant(&mut self, v: &'v Variant, g: &'v Generics, item_id: NodeId) { | ||
| self.count += 1; | ||
| walk_variant(self, v, g, item_id) | ||
| } | ||
| fn visit_lifetime(&mut self, lifetime: &'v Lifetime) { | ||
| self.count += 1; | ||
| walk_lifetime(self, lifetime) | ||
| } | ||
| fn visit_lifetime_def(&mut self, lifetime: &'v LifetimeDef) { | ||
| self.count += 1; | ||
| walk_lifetime_def(self, lifetime) | ||
| } | ||
| fn visit_explicit_self(&mut self, es: &'v ExplicitSelf) { | ||
| self.count += 1; | ||
| walk_explicit_self(self, es) | ||
| } | ||
| fn visit_mac(&mut self, _mac: &'v Mac) { | ||
| self.count += 1; | ||
| walk_mac(self, _mac) | ||
| } | ||
| fn visit_path(&mut self, path: &'v Path, _id: NodeId) { | ||
| self.count += 1; | ||
| walk_path(self, path) | ||
| } | ||
| fn visit_path_list_item(&mut self, prefix: &'v Path, item: &'v PathListItem) { | ||
| self.count += 1; | ||
| walk_path_list_item(self, prefix, item) | ||
| } | ||
| fn visit_path_parameters(&mut self, path_span: Span, path_parameters: &'v PathParameters) { | ||
| self.count += 1; | ||
| walk_path_parameters(self, path_span, path_parameters) | ||
| } | ||
| fn visit_assoc_type_binding(&mut self, type_binding: &'v TypeBinding) { | ||
| self.count += 1; | ||
| walk_assoc_type_binding(self, type_binding) | ||
| } | ||
| fn visit_attribute(&mut self, _attr: &'v Attribute) { | ||
| self.count += 1; | ||
| } | ||
| fn visit_macro_def(&mut self, macro_def: &'v MacroDef) { | ||
| self.count += 1; | ||
| walk_macro_def(self, macro_def) | ||
| } | ||
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|
||
| } |