Skip to content

Parse error improvements #37

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
timbeurskens wants to merge 1 commit into
base: master
Choose a base branch
from
Draft

Parse error improvements #37

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 9 additions & 1 deletion src/main.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,15 @@ fn main() {
Box::new(BufReader::new(io::stdin())) as Box<dyn BufRead>
};

let input_parsed = ParsedFormula::new(&mut reader).expect("Could not parse input file");
let input_parsed_result = ParsedFormula::new(&mut reader);

if input_parsed_result.is_err() {
eprintln!("Could not parse formula:");
eprintln!("{}", input_parsed_result.err().unwrap());
return;
}

let input_parsed = input_parsed_result.unwrap();

if let Some(parsetree_filename) = args.value_of("show_parsetree") {
let mut f = File::create(parsetree_filename).expect("Could not create parsetree dot file");
Expand Down