forked from AbleOS/holey-bytes
slight improvement
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@ -66,6 +66,21 @@ add_one := fn(x: int): int {
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}
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```
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#### comments
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```hb
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// commant is an item
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main := fn(): int {
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// comment is a statement
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foo(/* comment is an exprression /* if you are crazy */ */);
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return 0;
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}
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foo := fn(comment: void): void
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return /* comment evaluates to void */;
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// comments might be formatted in the future
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```
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#### if_statements
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```hb
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main := fn(): int {
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@ -109,6 +109,8 @@ pub enum TokenKind {
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Que = b'?',
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Directive = b'@',
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Comment,
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Ident,
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Number,
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Eof,
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@ -296,15 +298,33 @@ impl<'a> Lexer<'a> {
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let ident = &self.bytes[start as usize..self.pos as usize];
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T::from_ident(ident)
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}
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b'"' | b'\'' => {
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while let Some(nc) = self.advance() {
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match nc {
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b'\\' => _ = self.advance(),
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nc if nc == c => break,
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b'"' | b'\'' => loop {
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match self.advance() {
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Some(b'\\') => _ = self.advance(),
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Some(nc) if nc == c => break identity(c),
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Some(_) => {}
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None => break T::Eof,
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}
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},
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b'/' if self.advance_if(b'/') => {
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while let Some(l) = self.advance()
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&& l != b'\n'
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{}
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T::Comment
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}
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b'/' if self.advance_if(b'*') => {
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let mut depth = 1;
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while let Some(l) = self.advance() {
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match l {
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b'/' if self.advance_if(b'*') => depth += 1,
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b'*' if self.advance_if(b'/') => match depth {
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1 => break,
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_ => depth -= 1,
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},
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_ => {}
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}
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}
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identity(c)
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T::Comment
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}
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b'.' if self.advance_if(b'{') => T::Ctor,
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b'.' if self.advance_if(b'(') => T::Tupl,
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