tseeker-pub/rust-crafting-interpreters-part-1
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Parser - Improved recovery after break/continue w/ unknown label

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This commit is contained in:
Emmanuel BENOîT 2023-01-02 12:07:10 +01:00
parent ca76b3ab3f
commit c407fcd546
1 changed files with 1 additions and 0 deletions
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src/parser.rs
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@ -355,6 +355,7 @@ impl Parser {
let loop_name = if let TokenType::Identifier(_) = self.peek().token_type { let loop_name = if let TokenType::Identifier(_) = self.peek().token_type {
let name_token = self.advance().clone(); let name_token = self.advance().clone();
if !self.find_named_loop(&name_token.lexeme) { if !self.find_named_loop(&name_token.lexeme) {
self.expect(&[TokenType::Semicolon]);
return Err(ParserError::new( return Err(ParserError::new(
&name_token, &name_token,
&format!("no reachable loop named '{}'", name_token.lexeme), &format!("no reachable loop named '{}'", name_token.lexeme),