language-servers/roc
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Accept arbitrary filenames in roc-cli

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This commit is contained in:
Richard Feldman 2019-06-23 18:55:10 -04:00
parent 9892a27f21
commit f7cfe1d396
1 changed files with 16 additions and 5 deletions
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13
cli/src/main.rs
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@ -9,7 +9,11 @@ use roc::parse;
use std::io; use std::io;
fn main() -> std::io::Result<()> { fn main() -> std::io::Result<()> {
let mut file = File::open("Example.roc")?; let argv = std::env::args().into_iter().collect::<Vec<String>>();
match argv.get(1) {
Some(filename) => {
let mut file = File::open(filename)?;
let mut contents = String::new(); let mut contents = String::new();
file.read_to_string(&mut contents)?; file.read_to_string(&mut contents)?;
@ -17,6 +21,13 @@ fn main() -> std::io::Result<()> {
let expr = parse::parse_string(contents.as_str()).unwrap(); let expr = parse::parse_string(contents.as_str()).unwrap();
process_task(eval(expr)) process_task(eval(expr))
},
None => {
println!("Usage: roc FILENAME.roc");
Ok(())
}
}
} }
fn process_task(evaluated: Evaluated) -> std::io::Result<()> { fn process_task(evaluated: Evaluated) -> std::io::Result<()> {