18 lines
657 B
Rust
18 lines
657 B
Rust
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//! This example grabs input from stdin, lexes it, and prints which lexer rules matched
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#![allow(unused_imports)]
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use conlang::lexer::Lexer;
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use std::{io::stdin, error::Error};
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fn main() -> Result<(), Box<dyn Error>>{
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// get input from stdin
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for line in stdin().lines() {
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let line = line?;
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// lex the line
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for func in [Lexer::line_comment, Lexer::block_comment, Lexer::shebang_comment, Lexer::identifier, Lexer::integer, Lexer::float, Lexer::string] {
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if let Some(token) = func(&mut Lexer::new(&line)) {
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println!("{:?}: {}", token, &line[token.range()])
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}
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}
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}
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Ok(())
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}
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