diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs index a7d7c520755..d0988af1cb4 100644 --- a/src/librustdoc/clean/inline.rs +++ b/src/librustdoc/clean/inline.rs @@ -104,6 +104,10 @@ fn try_inline_def(cx: &DocContext, tcx: &ty::ctxt, record_extern_fqn(cx, did, clean::TypeStatic); clean::StaticItem(build_static(cx, tcx, did, mtbl)) } + def::DefConst(did) => { + record_extern_fqn(cx, did, clean::TypeConst); + clean::ConstantItem(build_const(cx, tcx, did)) + } _ => return None, }; let fqn = csearch::get_item_path(tcx, did); @@ -388,6 +392,24 @@ fn build_module(cx: &DocContext, tcx: &ty::ctxt, } } +fn build_const(cx: &DocContext, tcx: &ty::ctxt, + did: ast::DefId) -> clean::Constant { + use rustc::middle::const_eval; + use syntax::print::pprust; + + let expr = const_eval::lookup_const_by_id(tcx, did).unwrap_or_else(|| { + panic!("expected lookup_const_by_id to succeed for {}", did); + }); + debug!("converting constant expr {} to snippet", expr); + let sn = pprust::expr_to_string(expr); + debug!("got snippet {}", sn); + + clean::Constant { + type_: ty::lookup_item_type(tcx, did).ty.clean(cx), + expr: sn + } +} + fn build_static(cx: &DocContext, tcx: &ty::ctxt, did: ast::DefId, mutable: bool) -> clean::Static { diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 92184ce93de..1cfa0cbd37c 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -1201,6 +1201,7 @@ pub enum TypeKind { TypeEnum, TypeFunction, TypeModule, + TypeConst, TypeStatic, TypeStruct, TypeTrait, @@ -1841,7 +1842,7 @@ impl Clean for doctree::Static { } } -#[deriving(Clone, Encodable, Decodable)] +#[deriving(Clone, Encodable, Decodable, Show)] pub struct Constant { pub type_: Type, pub expr: String, diff --git a/src/librustdoc/html/item_type.rs b/src/librustdoc/html/item_type.rs index 86787e5c805..580b7fbe1a3 100644 --- a/src/librustdoc/html/item_type.rs +++ b/src/librustdoc/html/item_type.rs @@ -76,6 +76,7 @@ impl ItemType { clean::TypeTrait => ItemType::Trait, clean::TypeModule => ItemType::Module, clean::TypeStatic => ItemType::Static, + clean::TypeConst => ItemType::Constant, clean::TypeVariant => ItemType::Variant, clean::TypeTypedef => ItemType::Typedef, }