diff --git a/src/etc/htmldocck.py b/src/etc/htmldocck.py index a930a0d083367..a5449b748dd5e 100644 --- a/src/etc/htmldocck.py +++ b/src/etc/htmldocck.py @@ -117,6 +117,7 @@ from htmlentitydefs import entitydefs entitydefs['larrb'] = u'\u21e4' entitydefs['rarrb'] = u'\u21e5' +entitydefs['nbsp'] = ' ' # "void elements" (no closing tag) from the HTML Standard section 12.1.2 VOID_ELEMENTS = set(['area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'keygen', diff --git a/src/librustc_driver/driver.rs b/src/librustc_driver/driver.rs index a8ddc7e7bdab0..d6d944fde5f5e 100644 --- a/src/librustc_driver/driver.rs +++ b/src/librustc_driver/driver.rs @@ -63,7 +63,7 @@ use syntax_ext; #[derive(Clone)] pub struct Resolutions { - pub def_map: RefCell, + pub def_map: DefMap, pub freevars: FreevarMap, pub trait_map: TraitMap, pub maybe_unused_trait_imports: NodeSet, @@ -818,7 +818,7 @@ pub fn lower_and_resolve<'a>(sess: &Session, name: &id, glob_map: if resolver.make_glob_map { Some(resolver.glob_map) } else { None }, }, Resolutions { - def_map: RefCell::new(resolver.def_map), + def_map: resolver.def_map, freevars: resolver.freevars, trait_map: resolver.trait_map, maybe_unused_trait_imports: resolver.maybe_unused_trait_imports, @@ -866,7 +866,7 @@ pub fn phase_3_run_analysis_passes<'tcx, F, R>(sess: &'tcx Session, "lifetime resolution", || middle::resolve_lifetime::krate(sess, &hir_map, - &resolutions.def_map.borrow()))?; + &resolutions.def_map))?; time(time_passes, "looking for entry point", @@ -886,14 +886,14 @@ pub fn phase_3_run_analysis_passes<'tcx, F, R>(sess: &'tcx Session, time(time_passes, "static item recursion checking", - || static_recursion::check_crate(sess, &resolutions.def_map.borrow(), &hir_map))?; + || static_recursion::check_crate(sess, &resolutions.def_map, &hir_map))?; let index = stability::Index::new(&hir_map); let trait_map = resolutions.trait_map; TyCtxt::create_and_enter(sess, arenas, - resolutions.def_map, + RefCell::new(resolutions.def_map), named_region_map, hir_map, resolutions.freevars, diff --git a/src/librustc_driver/test.rs b/src/librustc_driver/test.rs index e0d693c423096..b1df80403c063 100644 --- a/src/librustc_driver/test.rs +++ b/src/librustc_driver/test.rs @@ -29,6 +29,7 @@ use rustc_metadata::cstore::CStore; use rustc_metadata::creader::read_local_crates; use rustc::hir::map as hir_map; use rustc::session::{self, config}; +use std::cell::RefCell; use std::rc::Rc; use syntax::ast; use syntax::abi::Abi; @@ -134,12 +135,12 @@ fn test_env(source_string: &str, // run just enough stuff to build a tcx: let lang_items = lang_items::collect_language_items(&sess, &ast_map); - let named_region_map = resolve_lifetime::krate(&sess, &ast_map, &resolutions.def_map.borrow()); + let named_region_map = resolve_lifetime::krate(&sess, &ast_map, &resolutions.def_map); let region_map = region::resolve_crate(&sess, &ast_map); let index = stability::Index::new(&ast_map); TyCtxt::create_and_enter(&sess, &arenas, - resolutions.def_map, + RefCell::new(resolutions.def_map), named_region_map.unwrap(), ast_map, resolutions.freevars, diff --git a/src/librustc_llvm/archive_ro.rs b/src/librustc_llvm/archive_ro.rs index be7f0ed6a0298..b3f5f8e536052 100644 --- a/src/librustc_llvm/archive_ro.rs +++ b/src/librustc_llvm/archive_ro.rs @@ -18,7 +18,9 @@ use std::path::Path; use std::slice; use std::str; -pub struct ArchiveRO { ptr: ArchiveRef } +pub struct ArchiveRO { + ptr: ArchiveRef, +} pub struct Iter<'a> { archive: &'a ArchiveRO, @@ -61,11 +63,16 @@ impl ArchiveRO { } } - pub fn raw(&self) -> ArchiveRef { self.ptr } + pub fn raw(&self) -> ArchiveRef { + self.ptr + } pub fn iter(&self) -> Iter { unsafe { - Iter { ptr: ::LLVMRustArchiveIteratorNew(self.ptr), archive: self } + Iter { + ptr: ::LLVMRustArchiveIteratorNew(self.ptr), + archive: self, + } } } } @@ -86,7 +93,10 @@ impl<'a> Iterator for Iter<'a> { if ptr.is_null() { ::last_error().map(Err) } else { - Some(Ok(Child { ptr: ptr, _data: marker::PhantomData })) + Some(Ok(Child { + ptr: ptr, + _data: marker::PhantomData, + })) } } } @@ -107,8 +117,7 @@ impl<'a> Child<'a> { if name_ptr.is_null() { None } else { - let name = slice::from_raw_parts(name_ptr as *const u8, - name_len as usize); + let name = slice::from_raw_parts(name_ptr as *const u8, name_len as usize); str::from_utf8(name).ok().map(|s| s.trim()) } } @@ -125,11 +134,15 @@ impl<'a> Child<'a> { } } - pub fn raw(&self) -> ::ArchiveChildRef { self.ptr } + pub fn raw(&self) -> ::ArchiveChildRef { + self.ptr + } } impl<'a> Drop for Child<'a> { fn drop(&mut self) { - unsafe { ::LLVMRustArchiveChildFree(self.ptr); } + unsafe { + ::LLVMRustArchiveChildFree(self.ptr); + } } } diff --git a/src/librustc_llvm/build.rs b/src/librustc_llvm/build.rs index 0c6db2cb8ba8d..250aafd77a826 100644 --- a/src/librustc_llvm/build.rs +++ b/src/librustc_llvm/build.rs @@ -21,20 +21,25 @@ fn main() { println!("cargo:rustc-cfg=cargobuild"); let target = env::var("TARGET").unwrap(); - let llvm_config = env::var_os("LLVM_CONFIG").map(PathBuf::from) - .unwrap_or_else(|| { - match env::var_os("CARGO_TARGET_DIR").map(PathBuf::from) { - Some(dir) => { - let to_test = dir.parent().unwrap().parent().unwrap() - .join(&target).join("llvm/bin/llvm-config"); - if Command::new(&to_test).output().is_ok() { - return to_test - } - } - None => {} - } - PathBuf::from("llvm-config") - }); + let llvm_config = env::var_os("LLVM_CONFIG") + .map(PathBuf::from) + .unwrap_or_else(|| { + match env::var_os("CARGO_TARGET_DIR").map(PathBuf::from) { + Some(dir) => { + let to_test = dir.parent() + .unwrap() + .parent() + .unwrap() + .join(&target) + .join("llvm/bin/llvm-config"); + if Command::new(&to_test).output().is_ok() { + return to_test; + } + } + None => {} + } + PathBuf::from("llvm-config") + }); println!("cargo:rerun-if-changed={}", llvm_config.display()); @@ -63,20 +68,22 @@ fn main() { let host = env::var("HOST").unwrap(); let is_crossed = target != host; - let optional_components = ["x86", "arm", "aarch64", "mips", "powerpc", - "pnacl"]; + let optional_components = ["x86", "arm", "aarch64", "mips", "powerpc", "pnacl"]; // FIXME: surely we don't need all these components, right? Stuff like mcjit // or interpreter the compiler itself never uses. - let required_components = &["ipo", "bitreader", "bitwriter", "linker", - "asmparser", "mcjit", "interpreter", + let required_components = &["ipo", + "bitreader", + "bitwriter", + "linker", + "asmparser", + "mcjit", + "interpreter", "instrumentation"]; let components = output(Command::new(&llvm_config).arg("--components")); let mut components = components.split_whitespace().collect::>(); - components.retain(|c| { - optional_components.contains(c) || required_components.contains(c) - }); + components.retain(|c| optional_components.contains(c) || required_components.contains(c)); for component in required_components { if !components.contains(component) { @@ -96,7 +103,7 @@ fn main() { for flag in cxxflags.split_whitespace() { // Ignore flags like `-m64` when we're doing a cross build if is_crossed && flag.starts_with("-m") { - continue + continue; } cfg.flag(flag); } @@ -131,7 +138,7 @@ fn main() { } else if lib.starts_with("-") { &lib[1..] } else { - continue + continue; }; // Don't need or want this library, but LLVM's CMake build system @@ -140,10 +147,14 @@ fn main() { // library and it otherwise may just pull in extra dependencies on // libedit which we don't want if name == "LLVMLineEditor" { - continue + continue; } - let kind = if name.starts_with("LLVM") {"static"} else {"dylib"}; + let kind = if name.starts_with("LLVM") { + "static" + } else { + "dylib" + }; println!("cargo:rustc-link-lib={}={}", kind, name); } diff --git a/src/librustc_llvm/diagnostic.rs b/src/librustc_llvm/diagnostic.rs index acb47516150cf..44e0156146402 100644 --- a/src/librustc_llvm/diagnostic.rs +++ b/src/librustc_llvm/diagnostic.rs @@ -16,7 +16,7 @@ pub use self::Diagnostic::*; use libc::{c_char, c_uint}; use std::ptr; -use {ValueRef, TwineRef, DebugLocRef, DiagnosticInfoRef}; +use {DebugLocRef, DiagnosticInfoRef, TwineRef, ValueRef}; #[derive(Copy, Clone)] pub enum OptimizationDiagnosticKind { @@ -46,8 +46,9 @@ pub struct OptimizationDiagnostic { } impl OptimizationDiagnostic { - unsafe fn unpack(kind: OptimizationDiagnosticKind, di: DiagnosticInfoRef) - -> OptimizationDiagnostic { + unsafe fn unpack(kind: OptimizationDiagnosticKind, + di: DiagnosticInfoRef) + -> OptimizationDiagnostic { let mut opt = OptimizationDiagnostic { kind: kind, @@ -58,10 +59,10 @@ impl OptimizationDiagnostic { }; super::LLVMUnpackOptimizationDiagnostic(di, - &mut opt.pass_name, - &mut opt.function, - &mut opt.debug_loc, - &mut opt.message); + &mut opt.pass_name, + &mut opt.function, + &mut opt.debug_loc, + &mut opt.message); opt } @@ -75,8 +76,7 @@ pub struct InlineAsmDiagnostic { } impl InlineAsmDiagnostic { - unsafe fn unpack(di: DiagnosticInfoRef) - -> InlineAsmDiagnostic { + unsafe fn unpack(di: DiagnosticInfoRef) -> InlineAsmDiagnostic { let mut opt = InlineAsmDiagnostic { cookie: 0, @@ -85,9 +85,9 @@ impl InlineAsmDiagnostic { }; super::LLVMUnpackInlineAsmDiagnostic(di, - &mut opt.cookie, - &mut opt.message, - &mut opt.instruction); + &mut opt.cookie, + &mut opt.message, + &mut opt.instruction); opt } @@ -106,22 +106,25 @@ impl Diagnostic { let kind = super::LLVMGetDiagInfoKind(di); match kind { - super::DK_InlineAsm - => InlineAsm(InlineAsmDiagnostic::unpack(di)), + super::DK_InlineAsm => InlineAsm(InlineAsmDiagnostic::unpack(di)), - super::DK_OptimizationRemark - => Optimization(OptimizationDiagnostic::unpack(OptimizationRemark, di)), + super::DK_OptimizationRemark => { + Optimization(OptimizationDiagnostic::unpack(OptimizationRemark, di)) + } - super::DK_OptimizationRemarkMissed - => Optimization(OptimizationDiagnostic::unpack(OptimizationMissed, di)), + super::DK_OptimizationRemarkMissed => { + Optimization(OptimizationDiagnostic::unpack(OptimizationMissed, di)) + } - super::DK_OptimizationRemarkAnalysis - => Optimization(OptimizationDiagnostic::unpack(OptimizationAnalysis, di)), + super::DK_OptimizationRemarkAnalysis => { + Optimization(OptimizationDiagnostic::unpack(OptimizationAnalysis, di)) + } - super::DK_OptimizationFailure - => Optimization(OptimizationDiagnostic::unpack(OptimizationFailure, di)), + super::DK_OptimizationFailure => { + Optimization(OptimizationDiagnostic::unpack(OptimizationFailure, di)) + } - _ => UnknownDiagnostic(di) + _ => UnknownDiagnostic(di), } } } diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index d4fdafea88ade..92401a5c55ffd 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -111,27 +111,27 @@ impl fmt::Display for clean::Generics { for (i, life) in self.lifetimes.iter().enumerate() { if i > 0 { - f.write_str(", ")?; + f.write_str(", ")?; } write!(f, "{}", *life)?; } if !self.type_params.is_empty() { if !self.lifetimes.is_empty() { - f.write_str(", ")?; + f.write_str(", ")?; } for (i, tp) in self.type_params.iter().enumerate() { if i > 0 { - f.write_str(", ")? + f.write_str(", ")? } f.write_str(&tp.name)?; if !tp.bounds.is_empty() { - write!(f, ": {}", TyParamBounds(&tp.bounds))?; + write!(f, ": {}", TyParamBounds(&tp.bounds))?; } match tp.default { - Some(ref ty) => { write!(f, " = {}", ty)?; }, + Some(ref ty) => { write!(f, " = {}", ty)?; }, None => {} }; } @@ -229,21 +229,21 @@ impl fmt::Display for clean::PathParameters { let mut comma = false; for lifetime in lifetimes { if comma { - f.write_str(", ")?; + f.write_str(", ")?; } comma = true; write!(f, "{}", *lifetime)?; } for ty in types { if comma { - f.write_str(", ")?; + f.write_str(", ")?; } comma = true; write!(f, "{}", *ty)?; } for binding in bindings { if comma { - f.write_str(", ")?; + f.write_str(", ")?; } comma = true; write!(f, "{}", *binding)?; diff --git a/src/librustdoc/html/render.rs b/src/librustdoc/html/render.rs index 7357ff3abac13..396f71173f834 100644 --- a/src/librustdoc/html/render.rs +++ b/src/librustdoc/html/render.rs @@ -2243,26 +2243,24 @@ fn item_struct(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item, write!(w, "")?; document(w, cx, it)?; - let mut fields = s.fields.iter().filter(|f| { + let mut fields = s.fields.iter().filter_map(|f| { match f.inner { - clean::StructFieldItem(..) => true, - _ => false, + clean::StructFieldItem(ref ty) => Some((f, ty)), + _ => None, } }).peekable(); if let doctree::Plain = s.struct_type { if fields.peek().is_some() { - write!(w, "

Fields

\n")?; - for field in fields { - write!(w, " - ")?; } - write!(w, "
\ - {name}", + write!(w, "

Fields

")?; + for (field, ty) in fields { + write!(w, "{name}: {ty} + ", shortty = ItemType::StructField, stab = field.stability_class(), - name = field.name.as_ref().unwrap())?; + name = field.name.as_ref().unwrap(), + ty = ty)?; document(w, cx, field)?; - write!(w, "
")?; } } render_assoc_items(w, cx, it, it.def_id, AssocItemRender::All) @@ -2292,7 +2290,7 @@ fn item_enum(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item, write!(w, "{}(", name)?; for (i, ty) in tys.iter().enumerate() { if i > 0 { - write!(w, ", ")? + write!(w, ", ")? } write!(w, "{}", *ty)?; } @@ -2324,40 +2322,47 @@ fn item_enum(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item, document(w, cx, it)?; if !e.variants.is_empty() { - write!(w, "

Variants

\n")?; + write!(w, "

Variants

\n")?; for variant in &e.variants { - write!(w, "")?; } - write!(w, "
{name}", + write!(w, "{name}", shortty = ItemType::Variant, name = variant.name.as_ref().unwrap())?; + if let clean::VariantItem(ref var) = variant.inner { + if let clean::TupleVariant(ref tys) = var.kind { + write!(w, "(")?; + for (i, ty) in tys.iter().enumerate() { + if i > 0 { + write!(w, ", ")?; + } + write!(w, "{}", *ty)?; + } + write!(w, ")")?; + } + } + write!(w, "")?; document(w, cx, variant)?; use clean::{Variant, StructVariant}; if let clean::VariantItem( Variant { kind: StructVariant(ref s) } ) = variant.inner { - let fields = s.fields.iter().filter(|f| { - match f.inner { - clean::StructFieldItem(..) => true, - _ => false, - } - }); write!(w, "

Fields

\n ")?; - for field in fields { - write!(w, "")?; + for field in &s.fields { + use clean::StructFieldItem; + if let StructFieldItem(ref ty) = field.inner { + write!(w, "")?; + } } write!(w, "
\ - {f}", - shortty = ItemType::Variant, - v = variant.name.as_ref().unwrap(), - f = field.name.as_ref().unwrap())?; - document(w, cx, field)?; - write!(w, "
\ + {f}: {t}", + v = variant.name.as_ref().unwrap(), + f = field.name.as_ref().unwrap(), + t = *ty)?; + document(w, cx, field)?; + write!(w, "
")?; } - write!(w, "		")?; render_stability_since(w, variant, it)?; - write!(w, "
")?; } render_assoc_items(w, cx, it, it.def_id, AssocItemRender::All)?; Ok(()) diff --git a/src/librustdoc/html/static/rustdoc.css b/src/librustdoc/html/static/rustdoc.css index 8e4245d4ebf12..bfe3f7b8dd69d 100644 --- a/src/librustdoc/html/static/rustdoc.css +++ b/src/librustdoc/html/static/rustdoc.css @@ -265,6 +265,10 @@ nav.sub { .docblock h2 { font-size: 1.15em; } .docblock h3, .docblock h4, .docblock h5 { font-size: 1em; } +.docblock { + margin-left: 24px; +} + .content .out-of-band { font-size: 23px; margin: 0px; @@ -640,6 +644,21 @@ span.since { margin-right: 5px; } +.enum > .toggle-wrapper > .collapse-toggle, .struct > .toggle-wrapper > .collapse-toggle { + left: 0; + margin-top: 5px; +} + +.enum > .toggle-wrapper + .docblock, .struct > .toggle-wrapper + .docblock { + margin-left: 30px; + margin-bottom: 20px; + margin-top: 5px; +} + +.enum > .collapsed, .struct > .collapsed { + margin-bottom: 25px; +} + :target > code { background: #FDFFD3; } diff --git a/src/libstd/fs.rs b/src/libstd/fs.rs index 125170bd47bc9..734f774043d6d 100644 --- a/src/libstd/fs.rs +++ b/src/libstd/fs.rs @@ -1338,10 +1338,10 @@ pub fn remove_dir_all>(path: P) -> io::Result<()> { /// /// // one possible implementation of walking a directory only visiting files /// fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry)) -> io::Result<()> { -/// if try!(fs::metadata(dir)).is_dir() { +/// if dir.is_dir() { /// for entry in try!(fs::read_dir(dir)) { /// let entry = try!(entry); -/// if try!(fs::metadata(entry.path())).is_dir() { +/// if try!(entry.file_type()).is_dir() { /// try!(visit_dirs(&entry.path(), cb)); /// } else { /// cb(&entry); diff --git a/src/libsyntax_ext/deriving/generic/mod.rs b/src/libsyntax_ext/deriving/generic/mod.rs index 9095230df630a..d6adec84e8440 100644 --- a/src/libsyntax_ext/deriving/generic/mod.rs +++ b/src/libsyntax_ext/deriving/generic/mod.rs @@ -201,7 +201,7 @@ use syntax::codemap::{self, respan, DUMMY_SP}; use syntax::codemap::Span; use syntax::errors::Handler; use syntax::util::move_map::MoveMap; -use syntax::parse::token::{intern, keywords, InternedString}; +use syntax::parse::token::{keywords, InternedString}; use syntax::ptr::P; use self::ty::{LifetimeBounds, Path, Ptr, PtrTy, Self_, Ty}; @@ -1420,31 +1420,13 @@ impl<'a> MethodDef<'a> { // general helper methods. impl<'a> TraitDef<'a> { - fn set_expn_info(&self, - cx: &mut ExtCtxt, - mut to_set: Span) -> Span { - let trait_name = match self.path.path.last() { - None => cx.span_bug(self.span, "trait with empty path in generic `derive`"), - Some(name) => *name - }; - to_set.expn_id = cx.codemap().record_expansion(codemap::ExpnInfo { - call_site: to_set, - callee: codemap::NameAndSpan { - format: codemap::MacroAttribute(intern(&format!("derive({})", trait_name))), - span: Some(self.span), - allow_internal_unstable: false, - } - }); - to_set - } - fn summarise_struct(&self, cx: &mut ExtCtxt, struct_def: &VariantData) -> StaticFields { let mut named_idents = Vec::new(); let mut just_spans = Vec::new(); for field in struct_def.fields(){ - let sp = self.set_expn_info(cx, field.span); + let sp = Span { expn_id: self.span.expn_id, ..field.span }; match field.ident { Some(ident) => named_idents.push((ident, sp)), _ => just_spans.push(sp), @@ -1486,7 +1468,7 @@ impl<'a> TraitDef<'a> { let mut paths = Vec::new(); let mut ident_exprs = Vec::new(); for (i, struct_field) in struct_def.fields().iter().enumerate() { - let sp = self.set_expn_info(cx, struct_field.span); + let sp = Span { expn_id: self.span.expn_id, ..struct_field.span }; let ident = cx.ident_of(&format!("{}_{}", prefix, i)); paths.push(codemap::Spanned{span: sp, node: ident}); let val = cx.expr_deref(sp, cx.expr_path(cx.path_ident(sp,ident))); diff --git a/src/libsyntax_ext/deriving/mod.rs b/src/libsyntax_ext/deriving/mod.rs index 91c272c59c4a6..6fb6dee94ed35 100644 --- a/src/libsyntax_ext/deriving/mod.rs +++ b/src/libsyntax_ext/deriving/mod.rs @@ -16,7 +16,7 @@ use syntax::ext::base::{ExtCtxt, SyntaxEnv, Annotatable}; use syntax::ext::base::{MultiDecorator, MultiItemDecorator, MultiModifier}; use syntax::ext::build::AstBuilder; use syntax::feature_gate; -use syntax::codemap::Span; +use syntax::codemap::{self, Span}; use syntax::parse::token::{intern, intern_and_get_ident}; use syntax::ptr::P; @@ -94,37 +94,7 @@ fn expand_derive(cx: &mut ExtCtxt, } let mut found_partial_eq = false; - let mut found_eq = false; - - // This span is **very** sensitive and crucial to - // getting the stability behavior we want. What we are - // doing is marking the generated `#[derive_*]` with the - // span of the `#[deriving(...)]` attribute (the - // entire attribute, not just the `PartialEq` or `Eq` - // part), but with the current backtrace. The current - // backtrace will contain a topmost entry that IS this - // `#[deriving(...)]` attribute and with the - // "allow-unstable" flag set to true. - // - // Note that we do NOT use the span of the `Eq` - // text itself. You might think this is - // equivalent, because the `Eq` appears within the - // `#[deriving(Eq)]` attribute, and hence we would - // inherit the "allows unstable" from the - // backtrace. But in fact this is not always the - // case. The actual source text that led to - // deriving can be `#[$attr]`, for example, where - // `$attr == deriving(Eq)`. In that case, the - // "#[derive_*]" would be considered to - // originate not from the deriving call but from - // text outside the deriving call, and hence would - // be forbidden from using unstable - // content. - // - // See tests src/run-pass/rfc1445 for - // examples. --nmatsakis - let span = Span { expn_id: cx.backtrace(), .. span }; - assert!(cx.parse_sess.codemap().span_allows_unstable(span)); + let mut eq_span = None; for titem in traits.iter().rev() { let tname = match titem.node { @@ -144,8 +114,19 @@ fn expand_derive(cx: &mut ExtCtxt, continue; } + let span = Span { + expn_id: cx.codemap().record_expansion(codemap::ExpnInfo { + call_site: titem.span, + callee: codemap::NameAndSpan { + format: codemap::MacroAttribute(intern(&format!("derive({})", tname))), + span: Some(titem.span), + allow_internal_unstable: true, + }, + }), ..titem.span + }; + if &tname[..] == "Eq" { - found_eq = true; + eq_span = Some(span); } else if &tname[..] == "PartialEq" { found_partial_eq = true; } @@ -157,12 +138,13 @@ fn expand_derive(cx: &mut ExtCtxt, // RFC #1445. `#[derive(PartialEq, Eq)]` adds a (trusted) // `#[structural_match]` attribute. - if found_partial_eq && found_eq { - debug!("inserting structural_match with span {:?}", span); - let structural_match = intern_and_get_ident("structural_match"); - item.attrs.push(cx.attribute(span, - cx.meta_word(span, - structural_match))); + if let Some(eq_span) = eq_span { + if found_partial_eq { + let structural_match = intern_and_get_ident("structural_match"); + item.attrs.push(cx.attribute(eq_span, + cx.meta_word(eq_span, + structural_match))); + } } item diff --git a/src/test/compile-fail/issue-33571.rs b/src/test/compile-fail/issue-33571.rs new file mode 100644 index 0000000000000..5dfc41c8f4a48 --- /dev/null +++ b/src/test/compile-fail/issue-33571.rs @@ -0,0 +1,14 @@ +// Copyright 2016 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +#[derive(Clone, + Sync, //~ ERROR this unsafe trait should be implemented explicitly + Copy)] +enum Foo {}