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Wrap floats in token trees in FLOAT_LITERAL node

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This commit is contained in:
Jonas Schievink 2022-05-04 19:25:32 +02:00
parent 90bd99f1bb
commit 34dc8e9383
6 changed files with 33 additions and 22 deletions
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24
crates/parser/src/grammar/expressions/atom.rs
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@ -30,16 +30,7 @@ pub(crate) fn literal(p: &mut Parser) -> Option<CompletedMarker> {
}
let m = p.start();
if p.at(FLOAT_NUMBER_PART) {
// Floats can be up to 3 tokens: 2 `FLOAT_NUMBER_PART`s separated by 1 `DOT`
let f = p.start();
p.bump(FLOAT_NUMBER_PART);
if p.at(DOT) {
p.bump(DOT);
if p.at(FLOAT_NUMBER_PART) {
p.bump(FLOAT_NUMBER_PART);
}
}
f.complete(p, FLOAT_LITERAL);
float_literal(p);
} else {
// Everything else is just one token.
p.bump_any();
@ -47,6 +38,19 @@ pub(crate) fn literal(p: &mut Parser) -> Option<CompletedMarker> {
Some(m.complete(p, LITERAL))
}
pub(crate) fn float_literal(p: &mut Parser) {
// Floats can be up to 3 tokens: 2 `FLOAT_NUMBER_PART`s separated by 1 `DOT`
let f = p.start();
p.bump(FLOAT_NUMBER_PART);
if p.at(DOT) {
p.bump(DOT);
if p.at(FLOAT_NUMBER_PART) {
p.bump(FLOAT_NUMBER_PART);
}
}
f.complete(p, FLOAT_LITERAL);
}
// E.g. for after the break in `if break {}`, this should not match
pub(super) const ATOM_EXPR_FIRST: TokenSet =
LITERAL_FIRST.union(paths::PATH_FIRST).union(TokenSet::new(&[