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[lexer] Replace String error messages with Error type

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This commit is contained in:
Eryn Wells 2018-09-03 15:30:48 -07:00
parent def35966eb
commit dc8f5a7686
7 changed files with 33 additions and 43 deletions
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6
lexer/src/lib.rs
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@ -62,7 +62,7 @@ impl<T> Iterator for Lexer<T> where T: Iterator<Item=char> {
out = Some(Ok(Lex::new(token, &buffer, self.line, self.offset)));
break;
},
Err(msg) => panic!("{}", msg)
Err(err) => panic!("{}:{}: {}", self.line, self.offset, err.msg())
},
Some(c) => {
let result = state.lex(c);
@ -84,8 +84,8 @@ impl<T> Iterator for Lexer<T> where T: Iterator<Item=char> {
out = Some(Ok(Lex::new(token, &buffer, self.line, self.offset)));
break;
},
StateResult::Fail { msg } => {
panic!("{}", msg);
StateResult::Fail(err) => {
panic!("{}:{}: {}", self.line, self.offset, err.msg());
}
}
},