use rustc_middle::ty::{self, TyCtxt};
use rustc_span::hygiene::MacroKind;
use rustc_span::symbol::{kw, sym, Symbol};
-use rustc_span::Span;
use crate::clean::{
- self, Attributes, AttributesExt, FakeDefId, GetDefId, NestedAttributesExt, ToSource, Type,
+ self, utils, Attributes, AttributesExt, FakeDefId, GetDefId, NestedAttributesExt, Type,
};
use crate::core::DocContext;
use crate::formats::item_type::ItemType;
let imported_from = cx.tcx.crate_name(did.krate);
match cx.enter_resolver(|r| r.cstore().load_macro_untracked(did, cx.sess())) {
LoadedMacro::MacroDef(def, _) => {
- let matchers: Vec<Span> = if let ast::ItemKind::MacroDef(ref def) = def.kind {
+ if let ast::ItemKind::MacroDef(ref def) = def.kind {
let tts: Vec<_> = def.body.inner_tokens().into_trees().collect();
- tts.chunks(4).map(|arm| arm[0].span()).collect()
- } else {
- unreachable!()
- };
+ let matchers = tts.chunks(4).map(|arm| &arm[0]);
- let source = format!(
- "macro_rules! {} {{\n{}}}",
- name.clean(cx),
- matchers
- .iter()
- .map(|span| { format!(" {} => {{ ... }};\n", span.to_src(cx)) })
- .collect::<String>()
- );
+ let source = format!(
+ "macro_rules! {} {{\n{}}}",
+ name.clean(cx),
+ utils::render_macro_arms(matchers, ";")
+ );
- clean::MacroItem(clean::Macro { source, imported_from: Some(imported_from) })
+ clean::MacroItem(clean::Macro { source, imported_from: Some(imported_from) })
+ } else {
+ unreachable!()
+ }
}
LoadedMacro::ProcMacro(ext) => clean::ProcMacroItem(clean::ProcMacro {
kind: ext.macro_kind(),