modelica-parser-lalrpop/examples/parse_file.rs


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extern crate modelica_parser;

use std::env;
use std::io::Read;
use std::fs::File;
use std::process::exit;


fn main() {

    let args: Vec<String> = env::args().collect();

    if args.len() <= 1 {
        println!("I'm a modelica parser! Pass me one or more files to parse...");
        exit(-1);
    }

    for input in &args[1..] {
        let mut raw = String::new();
        if let Err(err) = File::open(input).and_then(|mut f| f.read_to_string(&mut raw)) {
            println!("=== {}: I/O Error {}",
                     input, err);
            continue;
        }

        let striped = modelica_parser::strip_comments(&raw);
        let result = modelica_parser::parser::parse_file(&striped);

        match result {
            Ok(_) => println!("=== {}: OK", input),
            Err(err) => println!("=== {}: ERROR\n{}", input, modelica_parser::pp_parseerror(&striped, err)),
        }
    }
}