Fix indents.

This commit is contained in:
Jeffrey Seyfried 2016-09-22 22:44:59 +00:00
parent 1e1804db18
commit 2c85733521

View File

@ -1198,88 +1198,86 @@ impl<'a> Parser<'a> {
};
(ident, TraitItemKind::Const(ty, default))
} else if self.token.is_path_start() {
// trait item macro.
// code copied from parse_macro_use_or_failure... abstraction!
let lo = self.span.lo;
let pth = self.parse_path(PathStyle::Mod)?;
self.expect(&token::Not)?;
// trait item macro.
// code copied from parse_macro_use_or_failure... abstraction!
let lo = self.span.lo;
let pth = self.parse_path(PathStyle::Mod)?;
self.expect(&token::Not)?;
// eat a matched-delimiter token tree:
let delim = self.expect_open_delim()?;
let tts = self.parse_seq_to_end(&token::CloseDelim(delim),
SeqSep::none(),
|pp| pp.parse_token_tree())?;
if delim != token::Brace {
self.expect(&token::Semi)?
}
// eat a matched-delimiter token tree:
let delim = self.expect_open_delim()?;
let tts = self.parse_seq_to_end(&token::CloseDelim(delim),
SeqSep::none(),
|pp| pp.parse_token_tree())?;
if delim != token::Brace {
self.expect(&token::Semi)?
}
let mac = spanned(lo, self.last_span.hi, Mac_ { path: pth, tts: tts });
(keywords::Invalid.ident(), ast::TraitItemKind::Macro(mac))
} else {
let (constness, unsafety, abi) = match self.parse_fn_front_matter() {
Ok(cua) => cua,
Err(e) => {
loop {
match self.token {
token::Eof => break,
token::CloseDelim(token::Brace) |
token::Semi => {
self.bump();
break;
}
token::OpenDelim(token::Brace) => {
self.parse_token_tree()?;
break;
}
_ => self.bump()
let mac = spanned(lo, self.last_span.hi, Mac_ { path: pth, tts: tts });
(keywords::Invalid.ident(), ast::TraitItemKind::Macro(mac))
} else {
let (constness, unsafety, abi) = match self.parse_fn_front_matter() {
Ok(cua) => cua,
Err(e) => {
loop {
match self.token {
token::Eof => break,
token::CloseDelim(token::Brace) |
token::Semi => {
self.bump();
break;
}
token::OpenDelim(token::Brace) => {
self.parse_token_tree()?;
break;
}
_ => self.bump(),
}
return Err(e);
}
};
let ident = self.parse_ident()?;
let mut generics = self.parse_generics()?;
let d = self.parse_fn_decl_with_self(|p: &mut Parser<'a>|{
// This is somewhat dubious; We don't want to allow
// argument names to be left off if there is a
// definition...
p.parse_arg_general(false)
})?;
generics.where_clause = self.parse_where_clause()?;
let sig = ast::MethodSig {
unsafety: unsafety,
constness: constness,
decl: d,
generics: generics,
abi: abi,
};
let body = match self.token {
token::Semi => {
self.bump();
debug!("parse_trait_methods(): parsing required method");
None
}
token::OpenDelim(token::Brace) => {
debug!("parse_trait_methods(): parsing provided method");
let (inner_attrs, body) =
self.parse_inner_attrs_and_block()?;
attrs.extend(inner_attrs.iter().cloned());
Some(body)
}
_ => {
let token_str = self.this_token_to_string();
return Err(self.fatal(&format!("expected `;` or `{{`, found `{}`",
token_str)[..]))
}
};
(ident, ast::TraitItemKind::Method(sig, body))
return Err(e);
}
};
let ident = self.parse_ident()?;
let mut generics = self.parse_generics()?;
let d = self.parse_fn_decl_with_self(|p: &mut Parser<'a>|{
// This is somewhat dubious; We don't want to allow
// argument names to be left off if there is a
// definition...
p.parse_arg_general(false)
})?;
generics.where_clause = self.parse_where_clause()?;
let sig = ast::MethodSig {
unsafety: unsafety,
constness: constness,
decl: d,
generics: generics,
abi: abi,
};
let body = match self.token {
token::Semi => {
self.bump();
debug!("parse_trait_methods(): parsing required method");
None
}
token::OpenDelim(token::Brace) => {
debug!("parse_trait_methods(): parsing provided method");
let (inner_attrs, body) = self.parse_inner_attrs_and_block()?;
attrs.extend(inner_attrs.iter().cloned());
Some(body)
}
_ => {
let token_str = self.this_token_to_string();
return Err(self.fatal(&format!("expected `;` or `{{`, found `{}`", token_str)));
}
};
(ident, ast::TraitItemKind::Method(sig, body))
};
Ok(TraitItem {
id: ast::DUMMY_NODE_ID,
ident: name,
@ -3562,39 +3560,37 @@ impl<'a> Parser<'a> {
let lo = self.span.lo;
let pat;
match self.token {
token::Underscore => {
// Parse _
self.bump();
pat = PatKind::Wild;
}
token::BinOp(token::And) | token::AndAnd => {
// Parse &pat / &mut pat
self.expect_and()?;
let mutbl = self.parse_mutability()?;
if let token::Lifetime(ident) = self.token {
return Err(self.fatal(&format!("unexpected lifetime `{}` in pattern", ident)));
token::Underscore => {
// Parse _
self.bump();
pat = PatKind::Wild;
}
token::BinOp(token::And) | token::AndAnd => {
// Parse &pat / &mut pat
self.expect_and()?;
let mutbl = self.parse_mutability()?;
if let token::Lifetime(ident) = self.token {
return Err(self.fatal(&format!("unexpected lifetime `{}` in pattern", ident)));
}
let subpat = self.parse_pat()?;
pat = PatKind::Ref(subpat, mutbl);
}
token::OpenDelim(token::Paren) => {
// Parse (pat,pat,pat,...) as tuple pattern
self.bump();
let (fields, ddpos) = self.parse_pat_tuple_elements(true)?;
self.expect(&token::CloseDelim(token::Paren))?;
pat = PatKind::Tuple(fields, ddpos);
}
token::OpenDelim(token::Bracket) => {
// Parse [pat,pat,...] as slice pattern
self.bump();
let (before, slice, after) = self.parse_pat_vec_elements()?;
self.expect(&token::CloseDelim(token::Bracket))?;
pat = PatKind::Vec(before, slice, after);
}
let subpat = self.parse_pat()?;
pat = PatKind::Ref(subpat, mutbl);
}
token::OpenDelim(token::Paren) => {
// Parse (pat,pat,pat,...) as tuple pattern
self.bump();
let (fields, ddpos) = self.parse_pat_tuple_elements(true)?;
self.expect(&token::CloseDelim(token::Paren))?;
pat = PatKind::Tuple(fields, ddpos);
}
token::OpenDelim(token::Bracket) => {
// Parse [pat,pat,...] as slice pattern
self.bump();
let (before, slice, after) = self.parse_pat_vec_elements()?;
self.expect(&token::CloseDelim(token::Bracket))?;
pat = PatKind::Vec(before, slice, after);
}
_ => {
// At this point, token != _, &, &&, (, [
if self.eat_keyword(keywords::Mut) {
_ => if self.eat_keyword(keywords::Mut) {
// Parse mut ident @ pat
pat = self.parse_pat_ident(BindingMode::ByValue(Mutability::Mutable))?;
} else if self.eat_keyword(keywords::Ref) {
@ -3605,41 +3601,39 @@ impl<'a> Parser<'a> {
// Parse box pat
let subpat = self.parse_pat()?;
pat = PatKind::Box(subpat);
} else if self.token.is_ident() && self.token.is_path_start() &&
self.look_ahead(1, |t| match *t {
token::OpenDelim(token::Paren) | token::OpenDelim(token::Brace) |
token::DotDotDot | token::ModSep | token::Not => false,
_ => true,
}) {
// Parse ident @ pat
// This can give false positives and parse nullary enums,
// they are dealt with later in resolve
let binding_mode = BindingMode::ByValue(Mutability::Immutable);
pat = self.parse_pat_ident(binding_mode)?;
} else if self.token.is_path_start() {
// Parse pattern starting with a path
if self.token.is_ident() && self.look_ahead(1, |t| match *t {
token::OpenDelim(token::Paren) | token::OpenDelim(token::Brace) |
token::DotDotDot | token::ModSep | token::Not => false,
_ => true,
}) {
// Parse ident @ pat
// This can give false positives and parse nullary enums,
// they are dealt with later in resolve
let binding_mode = BindingMode::ByValue(Mutability::Immutable);
pat = self.parse_pat_ident(binding_mode)?;
let (qself, path) = if self.eat_lt() {
// Parse a qualified path
let (qself, path) = self.parse_qualified_path(PathStyle::Expr)?;
(Some(qself), path)
} else {
let (qself, path) = if self.eat_lt() {
// Parse a qualified path
let (qself, path) =
self.parse_qualified_path(PathStyle::Expr)?;
(Some(qself), path)
} else {
// Parse an unqualified path
(None, self.parse_path(PathStyle::Expr)?)
};
match self.token {
token::Not if qself.is_none() => {
// Parse an unqualified path
(None, self.parse_path(PathStyle::Expr)?)
};
match self.token {
token::Not if qself.is_none() => {
// Parse macro invocation
self.bump();
let delim = self.expect_open_delim()?;
let tts = self.parse_seq_to_end(
&token::CloseDelim(delim),
SeqSep::none(), |p| p.parse_token_tree())?;
let mac = Mac_ { path: path, tts: tts };
pat = PatKind::Mac(codemap::Spanned {node: mac,
span: mk_sp(lo, self.last_span.hi)});
}
token::DotDotDot => {
let tts = self.parse_seq_to_end(&token::CloseDelim(delim),
SeqSep::none(),
|p| p.parse_token_tree())?;
let mac = spanned(lo, self.last_span.hi, Mac_ { path: path, tts: tts });
pat = PatKind::Mac(mac);
}
token::DotDotDot => {
// Parse range
let hi = self.last_span.hi;
let begin =
@ -3647,9 +3641,9 @@ impl<'a> Parser<'a> {
self.bump();
let end = self.parse_pat_range_end()?;
pat = PatKind::Range(begin, end);
}
token::OpenDelim(token::Brace) => {
if qself.is_some() {
}
token::OpenDelim(token::Brace) => {
if qself.is_some() {
return Err(self.fatal("unexpected `{` after qualified path"));
}
// Parse struct pattern
@ -3661,8 +3655,8 @@ impl<'a> Parser<'a> {
});
self.bump();
pat = PatKind::Struct(path, fields, etc);
}
token::OpenDelim(token::Paren) => {
}
token::OpenDelim(token::Paren) => {
if qself.is_some() {
return Err(self.fatal("unexpected `(` after qualified path"));
}
@ -3671,11 +3665,8 @@ impl<'a> Parser<'a> {
let (fields, ddpos) = self.parse_pat_tuple_elements(false)?;
self.expect(&token::CloseDelim(token::Paren))?;
pat = PatKind::TupleStruct(path, fields, ddpos)
}
_ => {
pat = PatKind::Path(qself, path);
}
}
_ => pat = PatKind::Path(qself, path),
}
} else {
// Try to parse everything else as literal with optional minus
@ -3695,7 +3686,6 @@ impl<'a> Parser<'a> {
}
}
}
}
}
let hi = self.last_span.hi;