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Parse and infer tuple indices

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robojumper
2019-04-05 22:34:45 +02:00
parent 0372eca5b2
commit ca40ca93a5
13 changed files with 210 additions and 14 deletions
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13
crates/ra_parser/src/grammar/expressions.rs
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@@ -379,6 +379,14 @@ fn method_call_expr(p: &mut Parser, lhs: CompletedMarker) -> CompletedMarker {
// fn foo() {
// x.foo;
// x.0.bar;
// x.0();
// }
// test_err bad_tuple_index_expr
// fn foo() {
// x.0.;
// x.1i32;
// x.0x01;
// }
fn field_expr(p: &mut Parser, lhs: CompletedMarker) -> CompletedMarker {
assert!(p.at(DOT));
@@ -387,7 +395,10 @@ fn field_expr(p: &mut Parser, lhs: CompletedMarker) -> CompletedMarker {
if p.at(IDENT) {
name_ref(p)
} else if p.at(INT_NUMBER) {
p.bump()
p.bump();
} else if p.at(FLOAT_NUMBER) {
// FIXME: How to recover and instead parse INT + DOT?
p.bump();
} else {
p.error("expected field name or number")
}