bjoernager/rust
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Change ast::Visibility to Spanned type

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This commit is contained in:
Seiichi Uchida 2018-01-29 14:12:09 +09:00
parent 0bddba9248
commit d6bdf296a4
24 changed files with 153 additions and 127 deletions
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50
src/libsyntax/parse/parser.rs
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@ -36,7 +36,7 @@ use ast::StrStyle;
use ast::SelfKind;
use ast::{TraitItem, TraitRef, TraitObjectSyntax};
use ast::{Ty, TyKind, TypeBinding, TyParam, TyParamBounds};
use ast::{Visibility, WhereClause, CrateSugar};
use ast::{Visibility, VisibilityKind, WhereClause, CrateSugar};
use ast::{UseTree, UseTreeKind};
use ast::{BinOpKind, UnOp};
use ast::{RangeEnd, RangeSyntax};
@ -4132,7 +4132,7 @@ impl<'a> Parser<'a> {
token::Ident(ident) if ident.name == "macro_rules" &&
self.look_ahead(1, |t| *t == token::Not) => {
let prev_span = self.prev_span;
self.complain_if_pub_macro(vis, prev_span);
self.complain_if_pub_macro(&vis.node, prev_span);
self.bump();
self.bump();
@ -4169,7 +4169,11 @@ impl<'a> Parser<'a> {
node: StmtKind::Local(self.parse_local(attrs.into())?),
span: lo.to(self.prev_span),
}
} else if let Some(macro_def) = self.eat_macro_def(&attrs, &Visibility::Inherited, lo)? {
} else if let Some(macro_def) = self.eat_macro_def(
&attrs,
&codemap::respan(lo, VisibilityKind::Inherited),
lo,
)? {
Stmt {
id: ast::DUMMY_NODE_ID,
node: StmtKind::Item(macro_def),
@ -4296,7 +4300,7 @@ impl<'a> Parser<'a> {
self.mk_item(
span, id /*id is good here*/,
ItemKind::Mac(respan(span, Mac_ { path: pth, tts: tts })),
Visibility::Inherited,
respan(lo, VisibilityKind::Inherited),
attrs)
}),
}
@ -5213,15 +5217,15 @@ impl<'a> Parser<'a> {
})
}
fn complain_if_pub_macro(&mut self, vis: &Visibility, sp: Span) {
fn complain_if_pub_macro(&mut self, vis: &VisibilityKind, sp: Span) {
if let Err(mut err) = self.complain_if_pub_macro_diag(vis, sp) {
err.emit();
}
}
fn complain_if_pub_macro_diag(&mut self, vis: &Visibility, sp: Span) -> PResult<'a, ()> {
fn complain_if_pub_macro_diag(&mut self, vis: &VisibilityKind, sp: Span) -> PResult<'a, ()> {
match *vis {
Visibility::Inherited => Ok(()),
VisibilityKind::Inherited => Ok(()),
_ => {
let is_macro_rules: bool = match self.token {
token::Ident(sid) => sid.name == Symbol::intern("macro_rules"),
@ -5283,7 +5287,7 @@ impl<'a> Parser<'a> {
self.expect(&token::Not)?;
}
self.complain_if_pub_macro(vis, prev_span);
self.complain_if_pub_macro(&vis.node, prev_span);
// eat a matched-delimiter token tree:
*at_end = true;
@ -5686,12 +5690,13 @@ impl<'a> Parser<'a> {
self.expected_tokens.push(TokenType::Keyword(keywords::Crate));
if self.is_crate_vis() {
self.bump(); // `crate`
return Ok(Visibility::Crate(self.prev_span, CrateSugar::JustCrate));
return Ok(respan(self.prev_span, VisibilityKind::Crate(CrateSugar::JustCrate)));
}
if !self.eat_keyword(keywords::Pub) {
return Ok(Visibility::Inherited)
return Ok(respan(self.prev_span, VisibilityKind::Inherited))
}
let lo = self.prev_span;
if self.check(&token::OpenDelim(token::Paren)) {
// We don't `self.bump()` the `(` yet because this might be a struct definition where
@ -5703,7 +5708,10 @@ impl<'a> Parser<'a> {
self.bump(); // `(`
self.bump(); // `crate`
self.expect(&token::CloseDelim(token::Paren))?; // `)`
let vis = Visibility::Crate(self.prev_span, CrateSugar::PubCrate);
let vis = respan(
lo.to(self.prev_span),
VisibilityKind::Crate(CrateSugar::PubCrate),
);
return Ok(vis)
} else if self.look_ahead(1, |t| t.is_keyword(keywords::In)) {
// `pub(in path)`
@ -5711,11 +5719,10 @@ impl<'a> Parser<'a> {
self.bump(); // `in`
let path = self.parse_path(PathStyle::Mod)?.default_to_global(); // `path`
self.expect(&token::CloseDelim(token::Paren))?; // `)`
let vis = Visibility::Restricted {
let vis = respan(lo.to(self.prev_span), VisibilityKind::Restricted {
path: P(path),
id: ast::DUMMY_NODE_ID,
span: self.prev_span,
};
});
return Ok(vis)
} else if self.look_ahead(2, |t| t == &token::CloseDelim(token::Paren)) &&
self.look_ahead(1, |t| t.is_keyword(keywords::Super) ||
@ -5725,11 +5732,10 @@ impl<'a> Parser<'a> {
self.bump(); // `(`
let path = self.parse_path(PathStyle::Mod)?.default_to_global(); // `super`/`self`
self.expect(&token::CloseDelim(token::Paren))?; // `)`
let vis = Visibility::Restricted {
let vis = respan(lo.to(self.prev_span), VisibilityKind::Restricted {
path: P(path),
id: ast::DUMMY_NODE_ID,
span: self.prev_span,
};
});
return Ok(vis)
} else if !can_take_tuple { // Provide this diagnostic if this is not a tuple struct
// `pub(something) fn ...` or `struct X { pub(something) y: Z }`
@ -5749,7 +5755,7 @@ impl<'a> Parser<'a> {
}
}
Ok(Visibility::Public)
Ok(respan(lo, VisibilityKind::Public))
}
/// Parse defaultness: `default` or nothing.
@ -6582,7 +6588,7 @@ impl<'a> Parser<'a> {
// Verify wether we have encountered a struct or method definition where the user forgot to
// add the `struct` or `fn` keyword after writing `pub`: `pub S {}`
if visibility == Visibility::Public &&
if visibility.node == VisibilityKind::Public &&
self.check_ident() &&
self.look_ahead(1, |t| *t != token::Not)
{
@ -6690,7 +6696,7 @@ impl<'a> Parser<'a> {
// MACRO INVOCATION ITEM
let prev_span = self.prev_span;
self.complain_if_pub_macro(&visibility, prev_span);
self.complain_if_pub_macro(&visibility.node, prev_span);
let mac_lo = self.span;
@ -6724,8 +6730,8 @@ impl<'a> Parser<'a> {
}
// FAILURE TO PARSE ITEM
match visibility {
Visibility::Inherited => {}
match visibility.node {
VisibilityKind::Inherited => {}
_ => {
return Err(self.span_fatal(self.prev_span, "unmatched visibility `pub`"));
}