From 7a5d8e0727f15e02047548c6fc8878f766b3c25d Mon Sep 17 00:00:00 2001 From: Jan Tuomi Date: Thu, 18 Nov 2021 21:00:26 +0200 Subject: Improve error reporting --- src/main.rs | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/main.rs b/src/main.rs index 141c144..f8e18cb 100644 --- a/src/main.rs +++ b/src/main.rs @@ -203,8 +203,14 @@ fn main() { use std::fs; let unparsed_file = fs::read_to_string("samples/sample1.code").expect("cannot read file"); - let mut parse_tree = - parser::Parser::parse(parser::Rule::program, &unparsed_file).expect("unsuccessful parse"); + let parse_tree_result = parser::Parser::parse(parser::Rule::program, &unparsed_file); + + if parse_tree_result.is_err() { + println!("{}", parse_tree_result.unwrap_err()); + return; + } + + let mut parse_tree = parse_tree_result.unwrap(); // println!("parse tree = {:#?}", parse_tree); let syntax_tree: Program = ast::from_parse_tree(&mut parse_tree); -- cgit v1.3