brainfuck interpreter
brainfuck
cli
rust
lexer: removed line/col vars in Token struct & related code
miette prints relevant information with NamedSource alone, making this
redundant
-13
-13
src/lexer.rs
-13
src/lexer.rs
···
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pub struct Token {
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pub byte: u8,
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pub offset: usize,
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-
pub line: usize,
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pub col: usize,
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}
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pub fn tokenizer(input: &str) -> Vec<Token> {
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let mut tokens = Vec::new();
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-
let mut current_line: usize = 1;
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let mut current_col: usize = 1;
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let mut current_offset: usize = 0;
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for b in input.bytes() {
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-
if b == b'\n' {
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current_line += 1;
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current_col = 1;
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continue;
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-
}
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-
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if matches!(b, b'>' | b'<' | b'+' | b'-' | b'.' | b',' | b'[' | b']') {
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tokens.push(Token {
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byte: b,
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offset: current_offset,
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-
line: current_line,
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-
col: current_col,
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});
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}
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-
current_col += 1;
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current_offset += 1;
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}
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