bjoernager/rust
bjoernager/rust
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parser comments only

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This commit is contained in:
John Clements 2013-04-04 14:30:11 -07:00
parent c73a9c9cd0
commit 2b7f1a4f24
1 changed files with 6 additions and 0 deletions
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6
src/libsyntax/parse/parser.rs
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@ -763,6 +763,7 @@ pub impl Parser {
return ty_rptr(opt_lifetime, mt); return ty_rptr(opt_lifetime, mt);
} }
// parse an optional mode.
fn parse_arg_mode(&self) -> mode { fn parse_arg_mode(&self) -> mode {
if self.eat(&token::BINOP(token::MINUS)) { if self.eat(&token::BINOP(token::MINUS)) {
self.obsolete(*self.span, ObsoleteMode); self.obsolete(*self.span, ObsoleteMode);
@ -829,6 +830,7 @@ pub impl Parser {
ty: t, pat: pat, id: self.get_id() } ty: t, pat: pat, id: self.get_id() }
} }
// parse a single function argument
fn parse_arg(&self) -> arg_or_capture_item { fn parse_arg(&self) -> arg_or_capture_item {
either::Left(self.parse_arg_general(true)) either::Left(self.parse_arg_general(true))
} }
@ -2883,6 +2885,8 @@ pub impl Parser {
self.bump(); self.bump();
} }
// parse the argument list and result type of a function
// that may have a self type.
fn parse_fn_decl_with_self( fn parse_fn_decl_with_self(
&self, &self,
parse_arg_fn: parse_arg_fn:
@ -3056,6 +3060,7 @@ pub impl Parser {
} }
} }
// parse the name and optional generic types of a function header.
fn parse_fn_header(&self) -> (ident, ast::Generics) { fn parse_fn_header(&self) -> (ident, ast::Generics) {
let id = self.parse_ident(); let id = self.parse_ident();
let generics = self.parse_generics(); let generics = self.parse_generics();
@ -3073,6 +3078,7 @@ pub impl Parser {
span: mk_sp(lo, hi) } span: mk_sp(lo, hi) }
} }
// parse an item-position function declaration.
fn parse_item_fn(&self, purity: purity, abis: AbiSet) -> item_info { fn parse_item_fn(&self, purity: purity, abis: AbiSet) -> item_info {
let (ident, generics) = self.parse_fn_header(); let (ident, generics) = self.parse_fn_header();
let decl = self.parse_fn_decl(|p| p.parse_arg()); let decl = self.parse_fn_decl(|p| p.parse_arg());