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Split float literal tokens at the .

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This commit is contained in:
Jonas Schievink 2022-05-04 16:51:05 +02:00
parent 502c519e7d
commit 1bc3305d95
23 changed files with 157 additions and 72 deletions
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29
crates/mbe/src/syntax_bridge.rs
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@ -260,6 +260,35 @@ fn convert_tokens<C: TokenConvertor>(conv: &mut C) -> tt::Subtree {
IDENT => make_leaf!(Ident),
UNDERSCORE => make_leaf!(Ident),
k if k.is_keyword() => make_leaf!(Ident),
FLOAT_NUMBER_PART => {
// Reassemble a split-up float token.
let mut range = range;
let mut text = token.to_text(conv).to_string();
if let Some(dot) = conv.peek() {
if dot.kind(conv) == DOT {
let (_, dot_range) = conv.bump().unwrap();
text += &*dot.to_text(conv);
range = TextRange::new(range.start(), dot_range.end());
if let Some(tail) = conv.peek() {
if tail.kind(conv) == FLOAT_NUMBER_PART {
let (_, tail_range) = conv.bump().unwrap();
text += &*tail.to_text(conv);
range = TextRange::new(range.start(), tail_range.end());
}
}
}
}
result.push(
tt::Leaf::from(tt::Literal {
id: conv.id_alloc().alloc(range, synth_id),
text: text.into(),
})
.into(),
);
continue;
}
k if k.is_literal() => make_leaf!(Literal),
LIFETIME_IDENT => {
let char_unit = TextSize::of('\'');