The war on abort_if_errors

This commit is contained in:
Nick Cameron 2016-01-20 22:07:33 +13:00
parent b1b6b33c6d
commit 0ac8915875
11 changed files with 72 additions and 73 deletions

View file

@ -98,7 +98,7 @@ pub fn parse_crate_from_source_str(name: String,
cfg,
name,
source);
maybe_aborted(panictry!(p.parse_crate_mod()),p)
panictry!(p.parse_crate_mod())
}
pub fn parse_crate_attrs_from_source_str(name: String,
@ -110,7 +110,7 @@ pub fn parse_crate_attrs_from_source_str(name: String,
cfg,
name,
source);
maybe_aborted(panictry!(p.parse_inner_attributes()), p)
panictry!(p.parse_inner_attributes())
}
pub fn parse_expr_from_source_str(name: String,
@ -119,7 +119,7 @@ pub fn parse_expr_from_source_str(name: String,
sess: &ParseSess)
-> P<ast::Expr> {
let mut p = new_parser_from_source_str(sess, cfg, name, source);
maybe_aborted(panictry!(p.parse_expr()), p)
panictry!(p.parse_expr())
}
pub fn parse_item_from_source_str(name: String,
@ -128,7 +128,7 @@ pub fn parse_item_from_source_str(name: String,
sess: &ParseSess)
-> Option<P<ast::Item>> {
let mut p = new_parser_from_source_str(sess, cfg, name, source);
maybe_aborted(panictry!(p.parse_item()), p)
panictry!(p.parse_item())
}
pub fn parse_meta_from_source_str(name: String,
@ -137,7 +137,7 @@ pub fn parse_meta_from_source_str(name: String,
sess: &ParseSess)
-> P<ast::MetaItem> {
let mut p = new_parser_from_source_str(sess, cfg, name, source);
maybe_aborted(panictry!(p.parse_meta_item()), p)
panictry!(p.parse_meta_item())
}
pub fn parse_stmt_from_source_str(name: String,
@ -151,7 +151,7 @@ pub fn parse_stmt_from_source_str(name: String,
name,
source
);
maybe_aborted(panictry!(p.parse_stmt()), p)
panictry!(p.parse_stmt())
}
// Warning: This parses with quote_depth > 0, which is not the default.
@ -168,7 +168,7 @@ pub fn parse_tts_from_source_str(name: String,
);
p.quote_depth += 1;
// right now this is re-creating the token trees from ... token trees.
maybe_aborted(panictry!(p.parse_all_token_trees()),p)
panictry!(p.parse_all_token_trees())
}
// Create a new parser from a source string
@ -265,16 +265,10 @@ pub fn tts_to_parser<'a>(sess: &'a ParseSess,
p
}
/// Abort if necessary
pub fn maybe_aborted<T>(result: T, p: Parser) -> T {
p.abort_if_errors();
result
}
fn abort_if_errors<'a, T>(result: PResult<'a, T>, p: &Parser) -> T {
match result {
Ok(c) => {
p.abort_if_errors();
c
}
Err(mut e) => {