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developing-compilers/src/main.rs
2024-10-04 16:17:45 +03:00

37 lines
991 B
Rust

use std::io;
use std::io::Write;
use symbols::SymbolsTable;
mod cli;
mod parse;
mod symbols;
fn main() -> anyhow::Result<()> {
let args = cli::Args::parse();
let input = std::fs::read_to_string(&args.input).unwrap();
let mut symbols = SymbolsTable::default();
let tokens = parse::lexer::make_tokenizer(&input, &mut symbols).collect::<Result<Vec<_>, _>>();
match tokens {
Ok(tokens) => {
let mut writer_tokens = io::BufWriter::new(std::fs::File::create(&args.output_tokens)?);
for (_, token, _) in tokens {
writeln!(writer_tokens, "{token:>6} - {}", token.as_str())?;
}
let mut writer_symbols =
io::BufWriter::new(std::fs::File::create(&args.output_symbols)?);
for (name, id) in &symbols {
writeln!(writer_symbols, "{name} -> {id}")?;
}
}
Err(err) => {
eprintln!("error: {err}");
}
}
Ok(())
}