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Add octal, binary and hexadecimal representation

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This commit is contained in:
Sofia 2025-07-24 21:33:03 +03:00
parent 25fb6bf0fd
commit 22160b0802
3 changed files with 46 additions and 4 deletions
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4
examples/arithmetic.reid
View File

@ -2,8 +2,8 @@
fn main() -> u32 {
let value = 6;
let other = 15;
let value = 0b110;
let other = 0o17;
return value * other + 7 * -value;
}

18
reid/src/ast/parse.rs
View File

@ -153,6 +153,24 @@ impl Parse for PrimaryExpression {
Expression(Kind::VariableName(v.clone()), stream.get_range().unwrap())
}
}
Token::BinaryValue(v) => {
stream.next(); // Consume octal
Expression(
Kind::Literal(Literal::Integer(
u128::from_str_radix(&v, 2).expect("Binary is not parseable as u128!"),
)),
stream.get_range().unwrap(),
)
}
Token::OctalValue(v) => {
stream.next(); // Consume octal
Expression(
Kind::Literal(Literal::Integer(
u128::from_str_radix(&v, 8).expect("Octal is not parseable as u128!"),
)),
stream.get_range().unwrap(),
)
}
Token::HexadecimalValue(v) => {
stream.next(); // Consume hexadecimal
Expression(

28
reid/src/lexer.rs
View File

@ -19,6 +19,10 @@ pub enum Token {
DecimalValue(String),
/// Integer number in the hexadecimal base
HexadecimalValue(String),
/// Integer number in the octal base
OctalValue(String),
/// Integer number in the binary base
BinaryValue(String),
/// Some character literal that was surrounded by 'single-quotes'.
CharLit(String),
/// Some string literal that was surrounded by "double-quotes".
@ -141,7 +145,9 @@ impl ToString for Token {
match &self {
Token::Identifier(ident) => ident.clone(),
Token::DecimalValue(val) => val.to_string(),
Token::HexadecimalValue(val) => val.to_string(),
Token::HexadecimalValue(val) => format!("0x{}", val),
Token::OctalValue(val) => format!("0o{}", val),
Token::BinaryValue(val) => format!("0b{}", val),
Token::CharLit(lit) => format!("\'{}\'", lit),
Token::StringLit(lit) => format!("\"{}\"", lit),
Token::LetKeyword => String::from("let"),
@ -370,6 +376,18 @@ pub fn tokenize<T: Into<String>>(to_tokenize: T) -> Result<Vec<FullToken>, Error
cursor.next();
value = NumberType::Hexadecimal(String::new());
numerics = HEXADECIMAL_NUMERICS;
} else if cursor.first() == Some('o')
&& OCTAL_NUMERICS.contains(&second.to_lowercase().next().unwrap_or('.'))
{
cursor.next();
value = NumberType::Octal(String::new());
numerics = OCTAL_NUMERICS;
} else if cursor.first() == Some('b')
&& BINARY_NUMERICS.contains(&second.to_lowercase().next().unwrap_or('.'))
{
cursor.next();
value = NumberType::Binary(String::new());
numerics = BINARY_NUMERICS;
}
}
while let Some(c) = cursor.first() {
@ -380,8 +398,10 @@ pub fn tokenize<T: Into<String>>(to_tokenize: T) -> Result<Vec<FullToken>, Error
cursor.next();
}
match value {
NumberType::Decimal(value) => Token::DecimalValue(value),
NumberType::Decimal(dec) => Token::DecimalValue(dec),
NumberType::Hexadecimal(hex) => Token::HexadecimalValue(hex),
NumberType::Octal(oct) => Token::OctalValue(oct),
NumberType::Binary(bin) => Token::BinaryValue(bin),
}
}
'-' if cursor.first() == Some('>') => {
@ -440,6 +460,8 @@ fn escape_char(c: &char) -> char {
enum NumberType {
Decimal(String),
Hexadecimal(String),
Octal(String),
Binary(String),
}
impl AddAssign<char> for NumberType {
@ -449,6 +471,8 @@ impl AddAssign<char> for NumberType {
NumberType::Hexadecimal(val) => {
NumberType::Hexadecimal(val.to_owned() + &rhs.to_string())
}
NumberType::Octal(val) => NumberType::Octal(val.to_owned() + &rhs.to_string()),
NumberType::Binary(val) => NumberType::Binary(val.to_owned() + &rhs.to_string()),
};
}
}