Maaru - token work
This commit is contained in:
parent
815f2b8242
commit
840e093bc4
@ -19,6 +19,7 @@ pub struct MaaruEvaluator {
|
|||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
pub enum Token {
|
pub enum Token {
|
||||||
StrLiteral(String),
|
StrLiteral(String),
|
||||||
|
Backtick,
|
||||||
Newline,
|
Newline,
|
||||||
LParen,
|
LParen,
|
||||||
RParen,
|
RParen,
|
||||||
@ -26,7 +27,11 @@ pub enum Token {
|
|||||||
RBracket,
|
RBracket,
|
||||||
LBrace,
|
LBrace,
|
||||||
RBrace,
|
RBrace,
|
||||||
|
Period,
|
||||||
Comma,
|
Comma,
|
||||||
|
Colon,
|
||||||
|
Semicolon,
|
||||||
|
SingleQuote,
|
||||||
Identifier(String),
|
Identifier(String),
|
||||||
Operator(String),
|
Operator(String),
|
||||||
NumLiteral(Number),
|
NumLiteral(Number),
|
||||||
@ -34,7 +39,8 @@ pub enum Token {
|
|||||||
|
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
pub enum Number {
|
pub enum Number {
|
||||||
Integer(u64),
|
IntegerRep(String),
|
||||||
|
FloatRep(String)
|
||||||
}
|
}
|
||||||
|
|
||||||
#[derive(Debug)]
|
#[derive(Debug)]
|
||||||
@ -72,13 +78,51 @@ impl ProgrammingLanguage for Maaru {
|
|||||||
'{' => LBrace,
|
'{' => LBrace,
|
||||||
'}' => RBrace,
|
'}' => RBrace,
|
||||||
',' => Comma,
|
',' => Comma,
|
||||||
|
':' => Colon,
|
||||||
|
';' => Semicolon,
|
||||||
|
'.' => Period,
|
||||||
|
'`' => Backtick,
|
||||||
|
'\'' => SingleQuote,
|
||||||
|
'"' => {
|
||||||
|
let mut buffer = String::new();
|
||||||
|
loop {
|
||||||
|
match iter.next() {
|
||||||
|
Some(x) if x == '"' => break,
|
||||||
|
Some(x) => buffer.push(x),
|
||||||
|
None => return Err(TokenError::new("Unclosed quote")),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
StrLiteral(buffer)
|
||||||
|
}
|
||||||
|
c if c.is_digit(10) => {
|
||||||
|
let mut integer = true;
|
||||||
|
let mut buffer = String::new();
|
||||||
|
buffer.push(c);
|
||||||
|
buffer.extend(iter.peeking_take_while(|x| x.is_digit(10)));
|
||||||
|
if let Some(&'.') = iter.peek() {
|
||||||
|
buffer.push(iter.next().unwrap());
|
||||||
|
integer = false;
|
||||||
|
}
|
||||||
|
buffer.extend(iter.peeking_take_while(|x| x.is_digit(10)));
|
||||||
|
let inner = if integer {
|
||||||
|
Number::IntegerRep(buffer)
|
||||||
|
} else {
|
||||||
|
Number::FloatRep(buffer)
|
||||||
|
};
|
||||||
|
NumLiteral(inner)
|
||||||
|
},
|
||||||
c if char::is_alphanumeric(c) => {
|
c if char::is_alphanumeric(c) => {
|
||||||
let mut buffer = String::new();
|
let mut buffer = String::new();
|
||||||
buffer.push(c);
|
buffer.push(c);
|
||||||
buffer.extend(iter.peeking_take_while(|x| char::is_whitespace(*x)));
|
buffer.extend(iter.peeking_take_while(|x| char::is_alphanumeric(*x)));
|
||||||
Identifier(buffer)
|
Identifier(buffer)
|
||||||
},
|
},
|
||||||
_ => unimplemented!(),
|
c => {
|
||||||
|
let mut buffer = String::new();
|
||||||
|
buffer.push(c);
|
||||||
|
buffer.extend(iter.peeking_take_while(|x| !char::is_whitespace(*x)));
|
||||||
|
Operator(buffer)
|
||||||
|
}
|
||||||
};
|
};
|
||||||
tokens.push(cur_tok);
|
tokens.push(cur_tok);
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user