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-rw-r--r--src/librustc_save_analysis/data.rs12
-rw-r--r--src/librustc_save_analysis/dump_visitor.rs14
-rw-r--r--src/librustc_save_analysis/external_data.rs118
-rw-r--r--src/librustc_save_analysis/json_dumper.rs12
-rw-r--r--src/librustc_save_analysis/lib.rs21
5 files changed, 171 insertions, 6 deletions
diff --git a/src/librustc_save_analysis/data.rs b/src/librustc_save_analysis/data.rs
index 0a6281bf8c5..6caf81380e4 100644
--- a/src/librustc_save_analysis/data.rs
+++ b/src/librustc_save_analysis/data.rs
@@ -15,7 +15,7 @@
 
 use rustc::hir;
 use rustc::hir::def_id::{CrateNum, DefId};
-use syntax::ast::{self, NodeId};
+use syntax::ast::{self, Attribute, NodeId};
 use syntax_pos::Span;
 
 pub struct CrateData {
@@ -136,6 +136,7 @@ pub struct EnumData {
     pub visibility: Visibility,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 /// Data for extern crates.
@@ -171,6 +172,7 @@ pub struct FunctionData {
     pub parent: Option<DefId>,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 /// Data about a function call.
@@ -256,6 +258,7 @@ pub struct MethodData {
     pub visibility: Visibility,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 /// Data for modules.
@@ -271,6 +274,7 @@ pub struct ModData {
     pub visibility: Visibility,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 /// Data for a reference to a module.
@@ -295,6 +299,7 @@ pub struct StructData {
     pub visibility: Visibility,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 #[derive(Debug, RustcEncodable)]
@@ -309,6 +314,7 @@ pub struct StructVariantData {
     pub parent: Option<DefId>,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 #[derive(Debug, RustcEncodable)]
@@ -323,6 +329,7 @@ pub struct TraitData {
     pub visibility: Visibility,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 #[derive(Debug, RustcEncodable)]
@@ -337,6 +344,7 @@ pub struct TupleVariantData {
     pub parent: Option<DefId>,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 /// Data for a typedef.
@@ -351,6 +359,7 @@ pub struct TypeDefData {
     pub parent: Option<DefId>,
     pub docs: String,
     pub sig: Option<Signature>,
+    pub attributes: Vec<Attribute>,
 }
 
 /// Data for a reference to a type or trait.
@@ -396,6 +405,7 @@ pub struct VariableData {
     pub visibility: Visibility,
     pub docs: String,
     pub sig: Option<Signature>,
+    pub attributes: Vec<Attribute>,
 }
 
 #[derive(Debug, RustcEncodable)]
diff --git a/src/librustc_save_analysis/dump_visitor.rs b/src/librustc_save_analysis/dump_visitor.rs
index 3c275e0996d..54069775418 100644
--- a/src/librustc_save_analysis/dump_visitor.rs
+++ b/src/librustc_save_analysis/dump_visitor.rs
@@ -47,7 +47,8 @@ use syntax::ptr::P;
 use syntax::codemap::Spanned;
 use syntax_pos::*;
 
-use super::{escape, generated_code, SaveContext, PathCollector, docs_for_attrs};
+use super::{escape, generated_code, SaveContext, PathCollector, docs_for_attrs,
+            remove_docs_from_attrs};
 use super::data::*;
 use super::dump::Dump;
 use super::external_data::{Lower, make_def_id};
@@ -373,6 +374,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> {
                         visibility: Visibility::Inherited,
                         docs: String::new(),
                         sig: None,
+                        attributes: vec![],
                     }.lower(self.tcx));
                 }
             }
@@ -448,6 +450,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> {
                     visibility: vis,
                     docs: docs_for_attrs(attrs),
                     sig: method_data.sig,
+                    attributes: remove_docs_from_attrs(attrs),
                 }.lower(self.tcx));
             }
 
@@ -519,6 +522,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> {
                     parent: None,
                     docs: String::new(),
                     sig: None,
+                    attributes: vec![],
                 }.lower(self.tcx));
             }
         }
@@ -592,6 +596,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> {
                 visibility: vis,
                 docs: docs_for_attrs(attrs),
                 sig: None,
+                attributes: remove_docs_from_attrs(attrs),
             }.lower(self.tcx));
         }
 
@@ -636,6 +641,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> {
                 visibility: From::from(&item.vis),
                 docs: docs_for_attrs(&item.attrs),
                 sig: self.save_ctxt.sig_base(item),
+                attributes: remove_docs_from_attrs(&item.attrs),
             }.lower(self.tcx));
         }
 
@@ -701,6 +707,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> {
                             parent: Some(make_def_id(item.id, &self.tcx.hir)),
                             docs: docs_for_attrs(&variant.node.attrs),
                             sig: sig,
+                            attributes: remove_docs_from_attrs(&variant.node.attrs),
                         }.lower(self.tcx));
                     }
                 }
@@ -727,6 +734,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> {
                             parent: Some(make_def_id(item.id, &self.tcx.hir)),
                             docs: docs_for_attrs(&variant.node.attrs),
                             sig: sig,
+                            attributes: remove_docs_from_attrs(&variant.node.attrs),
                         }.lower(self.tcx));
                     }
                 }
@@ -798,6 +806,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> {
                 visibility: From::from(&item.vis),
                 docs: docs_for_attrs(&item.attrs),
                 sig: self.save_ctxt.sig_base(item),
+                attributes: remove_docs_from_attrs(&item.attrs),
             }.lower(self.tcx));
         }
 
@@ -1064,6 +1073,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump + 'll> DumpVisitor<'l, 'tcx, 'll, D> {
                     visibility: Visibility::Inherited,
                     docs: String::new(),
                     sig: None,
+                    attributes: vec![],
                 }.lower(self.tcx));
             }
         }
@@ -1305,6 +1315,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump +'ll> Visitor<'l> for DumpVisitor<'l, 'tcx, 'll,
                         parent: None,
                         docs: docs_for_attrs(&item.attrs),
                         sig: Some(self.save_ctxt.sig_base(item)),
+                        attributes: remove_docs_from_attrs(&item.attrs),
                     }.lower(self.tcx));
                 }
 
@@ -1527,6 +1538,7 @@ impl<'l, 'tcx: 'l, 'll, D: Dump +'ll> Visitor<'l> for DumpVisitor<'l, 'tcx, 'll,
                             visibility: Visibility::Inherited,
                             docs: String::new(),
                             sig: None,
+                            attributes: vec![],
                         }.lower(self.tcx));
                     }
                 }
diff --git a/src/librustc_save_analysis/external_data.rs b/src/librustc_save_analysis/external_data.rs
index fccb56e88b3..0cfa71a3499 100644
--- a/src/librustc_save_analysis/external_data.rs
+++ b/src/librustc_save_analysis/external_data.rs
@@ -11,7 +11,7 @@
 use rustc::hir::def_id::{CrateNum, DefId, DefIndex};
 use rustc::hir::map::Map;
 use rustc::ty::TyCtxt;
-use syntax::ast::NodeId;
+use syntax::ast::{self, LitKind, NodeId, StrStyle};
 use syntax::codemap::CodeMap;
 use syntax_pos::Span;
 
@@ -64,6 +64,102 @@ impl SpanData {
     }
 }
 
+/// Represent an arbitrary attribute on a code element
+#[derive(Clone, Debug, RustcEncodable)]
+pub struct Attribute {
+    value: AttributeItem,
+    span: SpanData,
+}
+
+impl Lower for ast::Attribute {
+    type Target = Attribute;
+
+    fn lower(self, tcx: TyCtxt) -> Attribute {
+        Attribute {
+            value: self.value.lower(tcx),
+            span: SpanData::from_span(self.span, tcx.sess.codemap()),
+        }
+    }
+}
+
+impl Lower for Vec<ast::Attribute> {
+    type Target = Vec<Attribute>;
+
+    fn lower(self, tcx: TyCtxt) -> Vec<Attribute> {
+        self.into_iter().map(|x| x.lower(tcx)).collect()
+    }
+}
+
+/// A single item as part of an attribute
+#[derive(Clone, Debug, RustcEncodable)]
+pub struct AttributeItem {
+    name: LitKind,
+    kind: AttributeItemKind,
+    span: SpanData,
+}
+
+impl Lower for ast::MetaItem {
+    type Target = AttributeItem;
+
+    fn lower(self, tcx: TyCtxt) -> AttributeItem {
+        AttributeItem {
+            name: LitKind::Str(self.name, StrStyle::Cooked),
+            kind: self.node.lower(tcx),
+            span: SpanData::from_span(self.span, tcx.sess.codemap()),
+        }
+    }
+}
+
+impl Lower for ast::NestedMetaItem {
+    type Target = AttributeItem;
+
+    fn lower(self, tcx: TyCtxt) -> AttributeItem {
+        match self.node {
+            ast::NestedMetaItemKind::MetaItem(item) => item.lower(tcx),
+            ast::NestedMetaItemKind::Literal(lit) => {
+                AttributeItem {
+                    name: lit.node,
+                    kind: AttributeItemKind::Literal,
+                    span: SpanData::from_span(lit.span, tcx.sess.codemap()),
+                }
+            }
+        }
+    }
+}
+
+#[derive(Clone, Debug, RustcEncodable)]
+pub enum AttributeItemKind {
+    /// Word meta item.
+    ///
+    /// E.g. `test` as in `#[test]`
+    Literal,
+    /// Name value meta item.
+    ///
+    /// E.g. `feature = "foo"` as in `#[feature = "foo"]`
+    NameValue(LitKind, SpanData),
+    /// List meta item.
+    ///
+    /// E.g. the `derive(..)` as in `#[derive(..)]`
+    List(Vec<AttributeItem>),
+}
+
+impl Lower for ast::MetaItemKind {
+    type Target = AttributeItemKind;
+
+    fn lower(self, tcx: TyCtxt) -> AttributeItemKind {
+        match self {
+            ast::MetaItemKind::Word => AttributeItemKind::Literal,
+            ast::MetaItemKind::List(items) => {
+                AttributeItemKind::List(items.into_iter().map(|x| x.lower(tcx)).collect())
+            }
+            ast::MetaItemKind::NameValue(lit) => {
+                let span = SpanData::from_span(lit.span, tcx.sess.codemap());
+                AttributeItemKind::NameValue(lit.node, span)
+            }
+        }
+    }
+}
+
 #[derive(Debug, RustcEncodable)]
 pub struct CratePreludeData {
     pub crate_name: String,
@@ -98,6 +194,7 @@ pub struct EnumData {
     pub visibility: Visibility,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 impl Lower for data::EnumData {
@@ -115,6 +212,7 @@ impl Lower for data::EnumData {
             visibility: self.visibility,
             docs: self.docs,
             sig: self.sig.lower(tcx),
+            attributes: self.attributes.lower(tcx),
         }
     }
 }
@@ -179,6 +277,7 @@ pub struct FunctionData {
     pub parent: Option<DefId>,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 impl Lower for data::FunctionData {
@@ -197,6 +296,7 @@ impl Lower for data::FunctionData {
             parent: self.parent,
             docs: self.docs,
             sig: self.sig.lower(tcx),
+            attributes: self.attributes.lower(tcx),
         }
     }
 }
@@ -346,6 +446,7 @@ pub struct MethodData {
     pub parent: Option<DefId>,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 impl Lower for data::MethodData {
@@ -364,6 +465,7 @@ impl Lower for data::MethodData {
             parent: self.parent,
             docs: self.docs,
             sig: self.sig.lower(tcx),
+            attributes: self.attributes.lower(tcx),
         }
     }
 }
@@ -381,6 +483,7 @@ pub struct ModData {
     pub visibility: Visibility,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 impl Lower for data::ModData {
@@ -398,6 +501,7 @@ impl Lower for data::ModData {
             visibility: self.visibility,
             docs: self.docs,
             sig: self.sig.lower(tcx),
+            attributes: self.attributes.lower(tcx),
         }
     }
 }
@@ -437,6 +541,7 @@ pub struct StructData {
     pub visibility: Visibility,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 impl Lower for data::StructData {
@@ -455,6 +560,7 @@ impl Lower for data::StructData {
             visibility: self.visibility,
             docs: self.docs,
             sig: self.sig.lower(tcx),
+            attributes: self.attributes.lower(tcx),
         }
     }
 }
@@ -471,6 +577,7 @@ pub struct StructVariantData {
     pub parent: Option<DefId>,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 impl Lower for data::StructVariantData {
@@ -488,6 +595,7 @@ impl Lower for data::StructVariantData {
             parent: self.parent,
             docs: self.docs,
             sig: self.sig.lower(tcx),
+            attributes: self.attributes.lower(tcx),
         }
     }
 }
@@ -504,6 +612,7 @@ pub struct TraitData {
     pub visibility: Visibility,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 impl Lower for data::TraitData {
@@ -521,6 +630,7 @@ impl Lower for data::TraitData {
             visibility: self.visibility,
             docs: self.docs,
             sig: self.sig.lower(tcx),
+            attributes: self.attributes.lower(tcx),
         }
     }
 }
@@ -537,6 +647,7 @@ pub struct TupleVariantData {
     pub parent: Option<DefId>,
     pub docs: String,
     pub sig: Signature,
+    pub attributes: Vec<Attribute>,
 }
 
 impl Lower for data::TupleVariantData {
@@ -554,6 +665,7 @@ impl Lower for data::TupleVariantData {
             parent: self.parent,
             docs: self.docs,
             sig: self.sig.lower(tcx),
+            attributes: self.attributes.lower(tcx),
         }
     }
 }
@@ -570,6 +682,7 @@ pub struct TypeDefData {
     pub parent: Option<DefId>,
     pub docs: String,
     pub sig: Option<Signature>,
+    pub attributes: Vec<Attribute>,
 }
 
 impl Lower for data::TypeDefData {
@@ -586,6 +699,7 @@ impl Lower for data::TypeDefData {
             parent: self.parent,
             docs: self.docs,
             sig: self.sig.map(|s| s.lower(tcx)),
+            attributes: self.attributes.lower(tcx),
         }
     }
 }
@@ -675,6 +789,7 @@ pub struct VariableData {
     pub visibility: Visibility,
     pub docs: String,
     pub sig: Option<Signature>,
+    pub attributes: Vec<Attribute>,
 }
 
 impl Lower for data::VariableData {
@@ -694,6 +809,7 @@ impl Lower for data::VariableData {
             visibility: self.visibility,
             docs: self.docs,
             sig: self.sig.map(|s| s.lower(tcx)),
+            attributes: self.attributes.lower(tcx),
         }
     }
 }
diff --git a/src/librustc_save_analysis/json_dumper.rs b/src/librustc_save_analysis/json_dumper.rs
index 09752994290..1b72489f83c 100644
--- a/src/librustc_save_analysis/json_dumper.rs
+++ b/src/librustc_save_analysis/json_dumper.rs
@@ -87,6 +87,7 @@ impl<'b, W: Write + 'b> Dump for JsonDumper<'b, W> {
             decl_id: None,
             docs: data.docs,
             sig: Some(From::from(data.sig)),
+            attributes: data.attributes,
         };
         if def.span.file_name != def.value {
             // If the module is an out-of-line defintion, then we'll make the
@@ -232,6 +233,7 @@ struct Def {
     decl_id: Option<Id>,
     docs: String,
     sig: Option<JsonSignature>,
+    attributes: Vec<Attribute>,
 }
 
 #[derive(Debug, RustcEncodable)]
@@ -274,6 +276,7 @@ impl From<EnumData> for Def {
             decl_id: None,
             docs: data.docs,
             sig: Some(From::from(data.sig)),
+            attributes: data.attributes,
         }
     }
 }
@@ -291,6 +294,7 @@ impl From<TupleVariantData> for Def {
             decl_id: None,
             docs: data.docs,
             sig: Some(From::from(data.sig)),
+            attributes: data.attributes,
         }
     }
 }
@@ -307,6 +311,7 @@ impl From<StructVariantData> for Def {
             decl_id: None,
             docs: data.docs,
             sig: Some(From::from(data.sig)),
+            attributes: data.attributes,
         }
     }
 }
@@ -323,6 +328,7 @@ impl From<StructData> for Def {
             decl_id: None,
             docs: data.docs,
             sig: Some(From::from(data.sig)),
+            attributes: data.attributes,
         }
     }
 }
@@ -339,6 +345,7 @@ impl From<TraitData> for Def {
             decl_id: None,
             docs: data.docs,
             sig: Some(From::from(data.sig)),
+            attributes: data.attributes,
         }
     }
 }
@@ -355,6 +362,7 @@ impl From<FunctionData> for Def {
             decl_id: None,
             docs: data.docs,
             sig: Some(From::from(data.sig)),
+            attributes: data.attributes,
         }
     }
 }
@@ -371,6 +379,7 @@ impl From<MethodData> for Def {
             decl_id: data.decl_id.map(|id| From::from(id)),
             docs: data.docs,
             sig: Some(From::from(data.sig)),
+            attributes: data.attributes,
         }
     }
 }
@@ -387,6 +396,7 @@ impl From<MacroData> for Def {
             decl_id: None,
             docs: data.docs,
             sig: None,
+            attributes: vec![],
         }
     }
 }
@@ -403,6 +413,7 @@ impl From<TypeDefData> for Def {
             decl_id: None,
             docs: String::new(),
             sig: data.sig.map(|s| From::from(s)),
+            attributes: data.attributes,
         }
     }
 }
@@ -424,6 +435,7 @@ impl From<VariableData> for Def {
             decl_id: None,
             docs: data.docs,
             sig: None,
+            attributes: data.attributes,
         }
     }
 }
diff --git a/src/librustc_save_analysis/lib.rs b/src/librustc_save_analysis/lib.rs
index b1e435dcc75..b650fe1024b 100644
--- a/src/librustc_save_analysis/lib.rs
+++ b/src/librustc_save_analysis/lib.rs
@@ -136,6 +136,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
                     parent: None,
                     docs: docs_for_attrs(&item.attrs),
                     sig: self.sig_base(item),
+                    attributes: remove_docs_from_attrs(&item.attrs),
                 }))
             }
             ast::ItemKind::Static(ref typ, mt, ref expr) => {
@@ -164,6 +165,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
                     visibility: From::from(&item.vis),
                     docs: docs_for_attrs(&item.attrs),
                     sig: Some(self.sig_base(item)),
+                    attributes: remove_docs_from_attrs(&item.attrs),
                 }))
             }
             ast::ItemKind::Const(ref typ, ref expr) => {
@@ -183,6 +185,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
                     visibility: From::from(&item.vis),
                     docs: docs_for_attrs(&item.attrs),
                     sig: Some(self.sig_base(item)),
+                    attributes: remove_docs_from_attrs(&item.attrs),
                 }))
             }
             ast::ItemKind::Mod(ref m) => {
@@ -205,6 +208,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
                     visibility: From::from(&item.vis),
                     docs: docs_for_attrs(&item.attrs),
                     sig: self.sig_base(item),
+                    attributes: remove_docs_from_attrs(&item.attrs),
                 }))
             }
             ast::ItemKind::Enum(ref def, _) => {
@@ -228,6 +232,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
                     visibility: From::from(&item.vis),
                     docs: docs_for_attrs(&item.attrs),
                     sig: self.sig_base(item),
+                    attributes: remove_docs_from_attrs(&item.attrs),
                 }))
             }
             ast::ItemKind::Impl(.., ref trait_ref, ref typ, _) => {
@@ -315,6 +320,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
                 visibility: From::from(&field.vis),
                 docs: docs_for_attrs(&field.attrs),
                 sig: Some(sig),
+                attributes: remove_docs_from_attrs(&field.attrs),
             })
         } else {
             None
@@ -327,7 +333,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
                            name: ast::Name, span: Span) -> Option<FunctionData> {
         // The qualname for a method is the trait name or name of the struct in an impl in
         // which the method is declared in, followed by the method's name.
-        let (qualname, parent_scope, decl_id, vis, docs) =
+        let (qualname, parent_scope, decl_id, vis, docs, attributes) =
           match self.tcx.impl_of_method(self.tcx.hir.local_def_id(id)) {
             Some(impl_id) => match self.tcx.hir.get_if_local(impl_id) {
                 Some(Node::NodeItem(item)) => {
@@ -349,7 +355,8 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
 
                             (result, trait_id, decl_id,
                              From::from(&item.vis),
-                             docs_for_attrs(&item.attrs))
+                             docs_for_attrs(&item.attrs),
+                             remove_docs_from_attrs(&item.attrs))
                         }
                         _ => {
                             span_bug!(span,
@@ -374,7 +381,8 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
                             (format!("::{}", self.tcx.item_path_str(def_id)),
                              Some(def_id), None,
                              From::from(&item.vis),
-                             docs_for_attrs(&item.attrs))
+                             docs_for_attrs(&item.attrs),
+                             remove_docs_from_attrs(&item.attrs))
                         }
                         r => {
                             span_bug!(span,
@@ -423,6 +431,7 @@ impl<'l, 'tcx: 'l> SaveContext<'l, 'tcx> {
             parent: parent_scope,
             docs: docs,
             sig: sig,
+            attributes: attributes,
         })
     }
 
@@ -836,6 +845,12 @@ fn docs_for_attrs(attrs: &[Attribute]) -> String {
     result
 }
 
+/// Remove all attributes which are docs
+fn remove_docs_from_attrs(attrs: &[Attribute]) -> Vec<Attribute> {
+    let doc = Symbol::intern("doc");
+    attrs.iter().cloned().filter(|attr| attr.name() != doc).collect()
+}
+
 #[derive(Clone, Copy, Debug, RustcEncodable)]
 pub enum Format {
     Csv,
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-04-27 14:38:02 +0000