60 lines
1.1 KiB
Rust
60 lines
1.1 KiB
Rust
|
#[derive(Debug, Copy, Clone)]
|
||
|
|
pub struct CodeLocation {
|
||
|
|
row: i32,
|
||
|
|
col: i32,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl CodeLocation {
|
||
|
|
pub fn new(row: i32, col: i32) -> Self {
|
||
|
|
Self { row, col }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
impl PartialEq for CodeLocation {
|
||
|
|
fn eq(&self, other: &Self) -> bool {
|
||
|
|
let true_match = self.row == other.row && self.col == other.col;
|
||
|
|
|
||
|
|
// For testing purposes
|
||
|
|
let simulated_match = self.row < 0 || self.col < 0 || other.row < 0 || other.col < 0;
|
||
|
|
|
||
|
|
true_match || simulated_match
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#[derive(Debug, PartialEq, Clone, Copy)]
|
||
|
|
pub enum TokenType {
|
||
|
|
Comment,
|
||
|
|
Integer,
|
||
|
|
Identifier,
|
||
|
|
Operator,
|
||
|
|
Punctuation,
|
||
|
|
Whitespace,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl TokenType {
|
||
|
|
pub fn ignore(&self) -> bool {
|
||
|
|
use TokenType::*;
|
||
|
|
match self {
|
||
|
|
Whitespace | Comment => true,
|
||
|
|
_ => false,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#[derive(Debug, PartialEq)]
|
||
|
|
pub struct Token {
|
||
|
|
text: String,
|
||
|
|
token_type: TokenType,
|
||
|
|
loc: CodeLocation,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Token {
|
||
|
|
pub fn new(text: &str, token_type: TokenType, loc: CodeLocation) -> Self {
|
||
|
|
Self {
|
||
|
|
text: text.to_string(),
|
||
|
|
token_type,
|
||
|
|
loc,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|