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Convert state_hash()

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This commit is contained in:
Eryn Wells 2016-12-27 11:52:25 -07:00
parent 59a8804fd8
commit c3113742a3
1 changed files with 6 additions and 5 deletions
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11
src/lexer/mod.rs
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@ -206,14 +206,14 @@ impl Lexer {
Ok(None)
}
fn state_hash(&mut self, c: char, token: &mut Option<Token>) {
fn state_hash(&mut self, c: char) -> StateResult {
if c.is_boolean_true() || c.is_boolean_false() {
*token = Some(Token::Boolean(c.is_boolean_true()));
self.advance();
return self.token_result(Token::Boolean(c.is_boolean_true()));
}
else if c.is_left_paren() {
*token = Some(Token::LeftVectorParen);
self.advance();
return self.token_result(Token::LeftVectorParen);
}
else if let Some(radix) = Radix::from_char(c) {
self.number_builder.radix(radix);
@ -226,8 +226,9 @@ impl Lexer {
self.advance();
}
else {
assert!(false, "Invalid token character: '{}'", c);
self.generic_error(c);
}
Ok(None)
}
fn state_number(&mut self, c: char, token: &mut Option<Token>) {
@ -377,7 +378,7 @@ impl Iterator for Lexer {
State::Initial => self.state_initial(c),
State::Identifier => self.state_identifier(c),
State::Dot => self.state_dot(c),
State::Hash => self.state_hash(c, &mut token),
State::Hash => self.state_hash(c),
State::Number => self.state_number(c, &mut token),
State::NumberExactness => self.state_number_exactness(c, &mut token),
State::NumberDecimal => self.state_number_decimal(c, &mut token),