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Change ast::Visibility to Spanned type
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topecongiro committed Feb 17, 2018
1 parent 0bddba9 commit d6bdf29
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Showing 24 changed files with 153 additions and 127 deletions.
10 changes: 5 additions & 5 deletions src/librustc/hir/lowering.rs
Expand Up @@ -3362,10 +3362,10 @@ impl<'a> LoweringContext<'a> {
v: &Visibility,
explicit_owner: Option<NodeId>)
-> hir::Visibility {
match *v {
Visibility::Public => hir::Public,
Visibility::Crate(..) => hir::Visibility::Crate,
Visibility::Restricted { ref path, id, .. } => {
match v.node {
VisibilityKind::Public => hir::Public,
VisibilityKind::Crate(..) => hir::Visibility::Crate,
VisibilityKind::Restricted { ref path, id, .. } => {
hir::Visibility::Restricted {
path: P(self.lower_path(id, path, ParamMode::Explicit, true)),
id: if let Some(owner) = explicit_owner {
Expand All @@ -3375,7 +3375,7 @@ impl<'a> LoweringContext<'a> {
}
}
}
Visibility::Inherited => hir::Inherited,
VisibilityKind::Inherited => hir::Inherited,
}
}

Expand Down
4 changes: 2 additions & 2 deletions src/librustc_allocator/expand.rs
Expand Up @@ -13,7 +13,7 @@ use rustc_errors;
use syntax::abi::Abi;
use syntax::ast::{Crate, Attribute, LitKind, StrStyle, ExprKind};
use syntax::ast::{Unsafety, Constness, Generics, Mutability, Ty, Mac, Arg};
use syntax::ast::{self, Ident, Item, ItemKind, TyKind, Visibility, Expr};
use syntax::ast::{self, Ident, Item, ItemKind, TyKind, VisibilityKind, Expr};
use syntax::attr;
use syntax::codemap::dummy_spanned;
use syntax::codemap::{ExpnInfo, NameAndSpan, MacroAttribute};
Expand Down Expand Up @@ -97,7 +97,7 @@ impl<'a> Folder for ExpandAllocatorDirectives<'a> {
]);
let mut items = vec![
f.cx.item_extern_crate(f.span, f.alloc),
f.cx.item_use_simple(f.span, Visibility::Inherited, super_path),
f.cx.item_use_simple(f.span, dummy_spanned(VisibilityKind::Inherited), super_path),
];
for method in ALLOCATOR_METHODS {
items.push(f.allocator_fn(method));
Expand Down
3 changes: 2 additions & 1 deletion src/librustc_metadata/cstore_impl.rs
Expand Up @@ -34,6 +34,7 @@ use std::rc::Rc;

use syntax::ast;
use syntax::attr;
use syntax::codemap;
use syntax::ext::base::SyntaxExtension;
use syntax::parse::filemap_to_stream;
use syntax::symbol::Symbol;
Expand Down Expand Up @@ -496,7 +497,7 @@ impl CrateStore for cstore::CStore {
tokens: body.into(),
legacy: def.legacy,
}),
vis: ast::Visibility::Inherited,
vis: codemap::dummy_spanned(ast::VisibilityKind::Inherited),
tokens: None,
})
}
Expand Down
29 changes: 14 additions & 15 deletions src/librustc_passes/ast_validation.rs
Expand Up @@ -58,14 +58,14 @@ impl<'a> AstValidator<'a> {
}
}

fn invalid_visibility(&self, vis: &Visibility, span: Span, note: Option<&str>) {
if vis != &Visibility::Inherited {
fn invalid_visibility(&self, vis: &Visibility, note: Option<&str>) {
if vis.node != VisibilityKind::Inherited {
let mut err = struct_span_err!(self.session,
span,
vis.span,
E0449,
"unnecessary visibility qualifier");
if vis == &Visibility::Public {
err.span_label(span, "`pub` not needed here");
if vis.node == VisibilityKind::Public {
err.span_label(vis.span, "`pub` not needed here");
}
if let Some(note) = note {
err.note(note);
Expand Down Expand Up @@ -216,7 +216,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
fn visit_item(&mut self, item: &'a Item) {
match item.node {
ItemKind::Impl(unsafety, polarity, _, _, Some(..), ref ty, ref impl_items) => {
self.invalid_visibility(&item.vis, item.span, None);
self.invalid_visibility(&item.vis, None);
if ty.node == TyKind::Err {
self.err_handler()
.struct_span_err(item.span, "`impl Trait for .. {}` is an obsolete syntax")
Expand All @@ -226,15 +226,14 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
span_err!(self.session, item.span, E0198, "negative impls cannot be unsafe");
}
for impl_item in impl_items {
self.invalid_visibility(&impl_item.vis, impl_item.span, None);
self.invalid_visibility(&impl_item.vis, None);
if let ImplItemKind::Method(ref sig, _) = impl_item.node {
self.check_trait_fn_not_const(sig.constness);
}
}
}
ItemKind::Impl(unsafety, polarity, defaultness, _, None, _, _) => {
self.invalid_visibility(&item.vis,
item.span,
Some("place qualifiers on individual impl items instead"));
if unsafety == Unsafety::Unsafe {
span_err!(self.session, item.span, E0197, "inherent impls cannot be unsafe");
Expand All @@ -247,16 +246,16 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
}
}
ItemKind::ForeignMod(..) => {
self.invalid_visibility(&item.vis,
item.span,
Some("place qualifiers on individual foreign items \
instead"));
self.invalid_visibility(
&item.vis,
Some("place qualifiers on individual foreign items instead"),
);
}
ItemKind::Enum(ref def, _) => {
for variant in &def.variants {
self.invalid_non_exhaustive_attribute(variant);
for field in variant.node.data.fields() {
self.invalid_visibility(&field.vis, field.span, None);
self.invalid_visibility(&field.vis, None);
}
}
}
Expand Down Expand Up @@ -359,8 +358,8 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
}

fn visit_vis(&mut self, vis: &'a Visibility) {
match *vis {
Visibility::Restricted { ref path, .. } => {
match vis.node {
VisibilityKind::Restricted { ref path, .. } => {
path.segments.iter().find(|segment| segment.parameters.is_some()).map(|segment| {
self.err_handler().span_err(segment.parameters.as_ref().unwrap().span(),
"generic arguments in visibility path");
Expand Down
2 changes: 1 addition & 1 deletion src/librustc_resolve/check_unused.rs
Expand Up @@ -86,7 +86,7 @@ impl<'a, 'b> Visitor<'a> for UnusedImportCheckVisitor<'a, 'b> {
// because this means that they were generated in some fashion by the
// compiler and we don't need to consider them.
if let ast::ItemKind::Use(..) = item.node {
if item.vis == ast::Visibility::Public || item.span.source_equal(&DUMMY_SP) {
if item.vis.node == ast::VisibilityKind::Public || item.span.source_equal(&DUMMY_SP) {
return;
}
}
Expand Down
12 changes: 7 additions & 5 deletions src/librustc_resolve/lib.rs
Expand Up @@ -3796,13 +3796,15 @@ impl<'a> Resolver<'a> {
}

fn resolve_visibility(&mut self, vis: &ast::Visibility) -> ty::Visibility {
match *vis {
ast::Visibility::Public => ty::Visibility::Public,
ast::Visibility::Crate(..) => ty::Visibility::Restricted(DefId::local(CRATE_DEF_INDEX)),
ast::Visibility::Inherited => {
match vis.node {
ast::VisibilityKind::Public => ty::Visibility::Public,
ast::VisibilityKind::Crate(..) => {
ty::Visibility::Restricted(DefId::local(CRATE_DEF_INDEX))
}
ast::VisibilityKind::Inherited => {
ty::Visibility::Restricted(self.current_module.normal_ancestor_id)
}
ast::Visibility::Restricted { ref path, id, .. } => {
ast::VisibilityKind::Restricted { ref path, id, .. } => {
let def = self.smart_resolve_path(id, None, path,
PathSource::Visibility).base_def();
if def == Def::Err {
Expand Down
36 changes: 16 additions & 20 deletions src/librustc_save_analysis/dump_visitor.rs
Expand Up @@ -43,7 +43,7 @@ use syntax::print::pprust::{
ty_to_string
};
use syntax::ptr::P;
use syntax::codemap::{Spanned, DUMMY_SP};
use syntax::codemap::{Spanned, DUMMY_SP, dummy_spanned};
use syntax_pos::*;

use {escape, generated_code, lower_attributes, PathCollector, SaveContext};
Expand All @@ -65,12 +65,19 @@ macro_rules! down_cast_data {
}

macro_rules! access_from {
($save_ctxt:expr, $vis:expr, $id:expr) => {
Access {
public: $vis.node == ast::VisibilityKind::Public,
reachable: $save_ctxt.analysis.access_levels.is_reachable($id),
}
};

($save_ctxt:expr, $item:expr) => {
Access {
public: $item.vis == ast::Visibility::Public,
public: $item.vis.node == ast::VisibilityKind::Public,
reachable: $save_ctxt.analysis.access_levels.is_reachable($item.id),
}
}
};
}

pub struct DumpVisitor<'l, 'tcx: 'l, 'll, O: DumpOutput + 'll> {
Expand Down Expand Up @@ -405,12 +412,7 @@ impl<'l, 'tcx: 'l, 'll, O: DumpOutput + 'll> DumpVisitor<'l, 'tcx, 'll, O> {

method_data.value = sig_str;
method_data.sig = sig::method_signature(id, name, generics, sig, &self.save_ctxt);
self.dumper.dump_def(
&Access {
public: vis == ast::Visibility::Public,
reachable: self.save_ctxt.analysis.access_levels.is_reachable(id),
},
method_data);
self.dumper.dump_def(&access_from!(self.save_ctxt, vis, id), method_data);
}

// walk arg and return types
Expand Down Expand Up @@ -543,10 +545,7 @@ impl<'l, 'tcx: 'l, 'll, O: DumpOutput + 'll> DumpVisitor<'l, 'tcx, 'll, O> {
let span = self.span_from_span(sub_span.expect("No span found for variable"));

self.dumper.dump_def(
&Access {
public: vis == ast::Visibility::Public,
reachable: self.save_ctxt.analysis.access_levels.is_reachable(id),
},
&access_from!(self.save_ctxt, vis, id),
Def {
kind: DefKind::Const,
id: ::id_from_node_id(id, &self.save_ctxt),
Expand Down Expand Up @@ -597,7 +596,7 @@ impl<'l, 'tcx: 'l, 'll, O: DumpOutput + 'll> DumpVisitor<'l, 'tcx, 'll, O> {
.iter()
.enumerate()
.filter_map(|(i, f)| {
if include_priv_fields || f.vis == ast::Visibility::Public {
if include_priv_fields || f.vis.node == ast::VisibilityKind::Public {
f.ident
.map(|i| i.to_string())
.or_else(|| Some(i.to_string()))
Expand Down Expand Up @@ -1144,7 +1143,7 @@ impl<'l, 'tcx: 'l, 'll, O: DumpOutput + 'll> DumpVisitor<'l, 'tcx, 'll, O> {
&ty,
expr.as_ref().map(|e| &**e),
trait_id,
ast::Visibility::Public,
dummy_spanned(ast::VisibilityKind::Public),
&trait_item.attrs,
);
}
Expand All @@ -1155,7 +1154,7 @@ impl<'l, 'tcx: 'l, 'll, O: DumpOutput + 'll> DumpVisitor<'l, 'tcx, 'll, O> {
trait_item.id,
trait_item.ident,
&trait_item.generics,
ast::Visibility::Public,
dummy_spanned(ast::VisibilityKind::Public),
trait_item.span,
);
}
Expand Down Expand Up @@ -1259,10 +1258,7 @@ impl<'l, 'tcx: 'l, 'll, O: DumpOutput + 'll> DumpVisitor<'l, 'tcx, 'll, O> {

// The access is calculated using the current tree ID, but with the root tree's visibility
// (since nested trees don't have their own visibility).
let access = Access {
public: root_item.vis == ast::Visibility::Public,
reachable: self.save_ctxt.analysis.access_levels.is_reachable(id),
};
let access = access_from!(self.save_ctxt, root_item.vis, id);

// The parent def id of a given use tree is always the enclosing item.
let parent = self.save_ctxt.tcx.hir.opt_local_def_id(id)
Expand Down
8 changes: 5 additions & 3 deletions src/libsyntax/ast.rs
Expand Up @@ -1937,11 +1937,13 @@ pub enum CrateSugar {
JustCrate,
}

pub type Visibility = Spanned<VisibilityKind>;

#[derive(Clone, PartialEq, Eq, RustcEncodable, RustcDecodable, Hash, Debug)]
pub enum Visibility {
pub enum VisibilityKind {
Public,
Crate(Span, CrateSugar),
Restricted { path: P<Path>, id: NodeId, span: Span },
Crate(CrateSugar),
Restricted { path: P<Path>, id: NodeId },
Inherited,
}

Expand Down
3 changes: 2 additions & 1 deletion src/libsyntax/diagnostics/plugin.rs
Expand Up @@ -14,6 +14,7 @@ use std::env;

use ast;
use ast::{Ident, Name};
use codemap;
use syntax_pos::Span;
use ext::base::{ExtCtxt, MacEager, MacResult};
use ext::build::AstBuilder;
Expand Down Expand Up @@ -234,7 +235,7 @@ pub fn expand_build_diagnostic_array<'cx>(ecx: &'cx mut ExtCtxt,
ty,
expr,
),
vis: ast::Visibility::Public,
vis: codemap::dummy_spanned(ast::VisibilityKind::Public),
span,
tokens: None,
})
Expand Down
4 changes: 2 additions & 2 deletions src/libsyntax/ext/build.rs
Expand Up @@ -987,7 +987,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
attrs,
id: ast::DUMMY_NODE_ID,
node,
vis: ast::Visibility::Inherited,
vis: dummy_spanned(ast::VisibilityKind::Inherited),
span,
tokens: None,
})
Expand Down Expand Up @@ -1033,7 +1033,7 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
span: ty.span,
ty,
ident: None,
vis: ast::Visibility::Inherited,
vis: dummy_spanned(ast::VisibilityKind::Inherited),
attrs: Vec::new(),
id: ast::DUMMY_NODE_ID,
}
Expand Down
9 changes: 6 additions & 3 deletions src/libsyntax/ext/expand.rs
Expand Up @@ -11,7 +11,7 @@
use ast::{self, Block, Ident, NodeId, PatKind, Path};
use ast::{MacStmtStyle, StmtKind, ItemKind};
use attr::{self, HasAttrs};
use codemap::{ExpnInfo, NameAndSpan, MacroBang, MacroAttribute, dummy_spanned};
use codemap::{ExpnInfo, NameAndSpan, MacroBang, MacroAttribute, dummy_spanned, respan};
use config::{is_test_or_bench, StripUnconfigured};
use errors::FatalError;
use ext::base::*;
Expand Down Expand Up @@ -238,7 +238,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
node: ast::ItemKind::Mod(krate.module),
ident: keywords::Invalid.ident(),
id: ast::DUMMY_NODE_ID,
vis: ast::Visibility::Public,
vis: dummy_spanned(ast::VisibilityKind::Public),
tokens: None,
})));

Expand Down Expand Up @@ -1022,7 +1022,10 @@ impl<'a, 'b> Folder for InvocationCollector<'a, 'b> {
// Ensure that test functions are accessible from the test harness.
ast::ItemKind::Fn(..) if self.cx.ecfg.should_test => {
if item.attrs.iter().any(|attr| is_test_or_bench(attr)) {
item = item.map(|mut item| { item.vis = ast::Visibility::Public; item });
item = item.map(|mut item| {
item.vis = respan(item.vis.span, ast::VisibilityKind::Public);
item
});
}
noop_fold_item(item, self)
}
Expand Down
2 changes: 1 addition & 1 deletion src/libsyntax/ext/placeholders.rs
Expand Up @@ -33,7 +33,7 @@ pub fn placeholder(kind: ExpansionKind, id: ast::NodeId) -> Expansion {
let ident = keywords::Invalid.ident();
let attrs = Vec::new();
let generics = ast::Generics::default();
let vis = ast::Visibility::Inherited;
let vis = dummy_spanned(ast::VisibilityKind::Inherited);
let span = DUMMY_SP;
let expr_placeholder = || P(ast::Expr {
id, span,
Expand Down
8 changes: 7 additions & 1 deletion src/libsyntax/ext/quote.rs
Expand Up @@ -9,6 +9,7 @@
// except according to those terms.

use ast::{self, Arg, Arm, Block, Expr, Item, Pat, Stmt, Ty};
use codemap::dummy_spanned;
use syntax_pos::Span;
use ext::base::ExtCtxt;
use ext::base;
Expand Down Expand Up @@ -855,7 +856,12 @@ fn expand_wrapper(cx: &ExtCtxt,
let mut stmts = imports.iter().map(|path| {
// make item: `use ...;`
let path = path.iter().map(|s| s.to_string()).collect();
cx.stmt_item(sp, cx.item_use_glob(sp, ast::Visibility::Inherited, ids_ext(path)))
let use_item = cx.item_use_glob(
sp,
dummy_spanned(ast::VisibilityKind::Inherited),
ids_ext(path),
);
cx.stmt_item(sp, use_item)
}).chain(Some(stmt_let_ext_cx)).collect::<Vec<_>>();
stmts.push(cx.stmt_expr(expr));

Expand Down
4 changes: 2 additions & 2 deletions src/libsyntax/feature_gate.rs
Expand Up @@ -1816,8 +1816,8 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> {
}

fn visit_vis(&mut self, vis: &'a ast::Visibility) {
if let ast::Visibility::Crate(span, ast::CrateSugar::JustCrate) = *vis {
gate_feature_post!(&self, crate_visibility_modifier, span,
if let ast::VisibilityKind::Crate(ast::CrateSugar::JustCrate) = vis.node {
gate_feature_post!(&self, crate_visibility_modifier, vis.span,
"`crate` visibility modifier is experimental");
}
visit::walk_vis(self, vis);
Expand Down

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