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run rustfmt on librustc_passes folder
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@srinivasreddy
srinivasreddy committed Aug 4, 2016
1 parent e804a3c commit a6c9404
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Showing 6 changed files with 200 additions and 173 deletions.
101 changes: 60 additions & 41 deletions src/librustc_passes/ast_validation.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -38,16 +38,18 @@ impl<'a> AstValidator<'a> {
self.err_handler().span_err(span, &format!("invalid label name `{}`", label.name));
}
if label.name.as_str() == "'_" {
self.session.add_lint(
lint::builtin::LIFETIME_UNDERSCORE, id, span,
format!("invalid label name `{}`", label.name)
);
self.session.add_lint(lint::builtin::LIFETIME_UNDERSCORE,
id,
span,
format!("invalid label name `{}`", label.name));
}
}

fn invalid_visibility(&self, vis: &Visibility, span: Span, note: Option<&str>) {
if vis != &Visibility::Inherited {
let mut err = struct_span_err!(self.session, span, E0449,
let mut err = struct_span_err!(self.session,
span,
E0449,
"unnecessary visibility qualifier");
if let Some(note) = note {
err.span_note(span, note);
Expand All @@ -71,20 +73,23 @@ impl<'a> AstValidator<'a> {
impl<'a> Visitor for AstValidator<'a> {
fn visit_lifetime(&mut self, lt: &Lifetime) {
if lt.name.as_str() == "'_" {
self.session.add_lint(
lint::builtin::LIFETIME_UNDERSCORE, lt.id, lt.span,
format!("invalid lifetime name `{}`", lt.name)
);
self.session.add_lint(lint::builtin::LIFETIME_UNDERSCORE,
lt.id,
lt.span,
format!("invalid lifetime name `{}`", lt.name));
}

visit::walk_lifetime(self, lt)
}

fn visit_expr(&mut self, expr: &Expr) {
match expr.node {
ExprKind::While(_, _, Some(ident)) | ExprKind::Loop(_, Some(ident)) |
ExprKind::WhileLet(_, _, _, Some(ident)) | ExprKind::ForLoop(_, _, _, Some(ident)) |
ExprKind::Break(Some(ident)) | ExprKind::Continue(Some(ident)) => {
ExprKind::While(_, _, Some(ident)) |
ExprKind::Loop(_, Some(ident)) |
ExprKind::WhileLet(_, _, _, Some(ident)) |
ExprKind::ForLoop(_, _, _, Some(ident)) |
ExprKind::Break(Some(ident)) |
ExprKind::Continue(Some(ident)) => {
self.check_label(ident.node, ident.span, expr.id);
}
_ => {}
Expand All @@ -97,10 +102,13 @@ impl<'a> Visitor for AstValidator<'a> {
match ty.node {
TyKind::BareFn(ref bfty) => {
self.check_decl_no_pat(&bfty.decl, |span, _| {
let mut err = struct_span_err!(self.session, span, E0561,
"patterns aren't allowed in function pointer types");
err.span_note(span, "this is a recent error, see \
issue #35203 for more details");
let mut err = struct_span_err!(self.session,
span,
E0561,
"patterns aren't allowed in function pointer \
types");
err.span_note(span,
"this is a recent error, see issue #35203 for more details");
err.emit();
});
}
Expand All @@ -114,10 +122,10 @@ impl<'a> Visitor for AstValidator<'a> {
if path.global && path.segments.len() > 0 {
let ident = path.segments[0].identifier;
if token::Ident(ident).is_path_segment_keyword() {
self.session.add_lint(
lint::builtin::SUPER_OR_SELF_IN_GLOBAL_PATH, id, path.span,
format!("global paths cannot start with `{}`", ident)
);
self.session.add_lint(lint::builtin::SUPER_OR_SELF_IN_GLOBAL_PATH,
id,
path.span,
format!("global paths cannot start with `{}`", ident));
}
}

Expand All @@ -129,8 +137,8 @@ impl<'a> Visitor for AstValidator<'a> {
ItemKind::Use(ref view_path) => {
let path = view_path.node.path();
if !path.segments.iter().all(|segment| segment.parameters.is_empty()) {
self.err_handler().span_err(path.span, "type or lifetime parameters \
in import path");
self.err_handler()
.span_err(path.span, "type or lifetime parameters in import path");
}
}
ItemKind::Impl(_, _, _, Some(..), _, ref impl_items) => {
Expand All @@ -140,15 +148,18 @@ impl<'a> Visitor for AstValidator<'a> {
}
}
ItemKind::Impl(_, _, _, None, _, _) => {
self.invalid_visibility(&item.vis, item.span, Some("place qualifiers on individual \
impl items instead"));
self.invalid_visibility(&item.vis,
item.span,
Some("place qualifiers on individual impl items instead"));
}
ItemKind::DefaultImpl(..) => {
self.invalid_visibility(&item.vis, item.span, None);
}
ItemKind::ForeignMod(..) => {
self.invalid_visibility(&item.vis, item.span, Some("place qualifiers on individual \
foreign items instead"));
self.invalid_visibility(&item.vis,
item.span,
Some("place qualifiers on individual foreign items \
instead"));
}
ItemKind::Enum(ref def, _) => {
for variant in &def.variants {
Expand All @@ -167,11 +178,14 @@ impl<'a> Visitor for AstValidator<'a> {
match fi.node {
ForeignItemKind::Fn(ref decl, _) => {
self.check_decl_no_pat(decl, |span, is_recent| {
let mut err = struct_span_err!(self.session, span, E0130,
"patterns aren't allowed in foreign function declarations");
let mut err = struct_span_err!(self.session,
span,
E0130,
"patterns aren't allowed in foreign function \
declarations");
if is_recent {
err.span_note(span, "this is a recent error, see \
issue #35203 for more details");
err.span_note(span,
"this is a recent error, see issue #35203 for more details");
}
err.emit();
});
Expand All @@ -182,16 +196,21 @@ impl<'a> Visitor for AstValidator<'a> {
visit::walk_foreign_item(self, fi)
}

fn visit_variant_data(&mut self, vdata: &VariantData, _: Ident,
_: &Generics, _: NodeId, span: Span) {
fn visit_variant_data(&mut self,
vdata: &VariantData,
_: Ident,
_: &Generics,
_: NodeId,
span: Span) {
if vdata.fields().is_empty() {
if vdata.is_tuple() {
self.err_handler().struct_span_err(span, "empty tuple structs and enum variants \
are not allowed, use unit structs and \
enum variants instead")
.span_help(span, "remove trailing `()` to make a unit \
struct or unit enum variant")
.emit();
self.err_handler()
.struct_span_err(span,
"empty tuple structs and enum variants are not allowed, use \
unit structs and enum variants instead")
.span_help(span,
"remove trailing `()` to make a unit struct or unit enum variant")
.emit();
}
}

Expand All @@ -200,10 +219,10 @@ impl<'a> Visitor for AstValidator<'a> {

fn visit_vis(&mut self, vis: &Visibility) {
match *vis {
Visibility::Restricted{ref path, ..} => {
Visibility::Restricted { ref path, .. } => {
if !path.segments.iter().all(|segment| segment.parameters.is_empty()) {
self.err_handler().span_err(path.span, "type or lifetime parameters \
in visibility path");
self.err_handler()
.span_err(path.span, "type or lifetime parameters in visibility path");
}
}
_ => {}
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