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Fix error blocks

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This commit is contained in:
Aleksey Kladov 2018-08-27 21:10:02 +03:00
parent 7f4b07a907
commit b79c8b6d8a
6 changed files with 20 additions and 1 deletions
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4
crates/libsyntax2/src/grammar/expressions/atom.rs
View file

@ -269,6 +269,10 @@ fn match_arm_list(p: &mut Parser) {
let m = p.start();
p.eat(L_CURLY);
while !p.at(EOF) && !p.at(R_CURLY) {
if p.at(L_CURLY) {
error_block(p, "expected match arm");
continue;
}
// test match_arms_commas
// fn foo() {
// match () {

1
crates/libsyntax2/src/grammar/expressions/mod.rs
View file

@ -433,6 +433,7 @@ fn named_field_list(p: &mut Parser) {
p.bump();
expr(p);
}
L_CURLY => error_block(p, "expected a field"),
_ => p.err_and_bump("expected identifier"),
}
if !p.at(R_CURLY) {

4
crates/libsyntax2/src/grammar/items/structs.rs
View file

@ -56,6 +56,10 @@ fn enum_variant_list(p: &mut Parser) {
let m = p.start();
p.bump();
while !p.at(EOF) && !p.at(R_CURLY) {
if p.at(L_CURLY) {
error_block(p, "expected enum variant");
continue;
}
let var = p.start();
attributes::outer_attributes(p);
if p.at(IDENT) {

8
crates/libsyntax2/src/grammar/items/traits.rs
View file

@ -30,6 +30,10 @@ fn trait_item_list(p: &mut Parser) {
let m = p.start();
p.bump();
while !p.at(EOF) && !p.at(R_CURLY) {
if p.at(L_CURLY) {
error_block(p, "expected an item");
continue;
}
item_or_macro(p, true, ItemFlavor::Trait);
}
p.expect(R_CURLY);
@ -76,6 +80,10 @@ fn impl_item_list(p: &mut Parser) {
p.bump();
while !p.at(EOF) && !p.at(R_CURLY) {
if p.at(L_CURLY) {
error_block(p, "expected an item");
continue;
}
item_or_macro(p, true, ItemFlavor::Mod);
}
p.expect(R_CURLY);