tseeker-pub/rust-crafting-interpreters-part-1
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Errors - Position for interpreter errors

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This commit is contained in:
Emmanuel BENOîT 2023-01-02 20:05:49 +01:00
parent ca3ec46bdc
commit 8b74cd932d
1 changed files with 3 additions and 1 deletions
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4
src/errors.rs
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@ -68,6 +68,7 @@ impl ParserError {
#[derive(Debug, Clone)] #[derive(Debug, Clone)]
pub struct InterpreterError { pub struct InterpreterError {
line: usize, line: usize,
pos: String,
message: String, message: String,
} }
@ -76,12 +77,13 @@ impl InterpreterError {
pub fn new(token: &Token, message: &str) -> Self { pub fn new(token: &Token, message: &str) -> Self {
Self { Self {
line: token.line, line: token.line,
pos: format!(" at '{}'", token.lexeme),
message: String::from(message), message: String::from(message),
} }
} }
/// Report the error to an error handler. /// Report the error to an error handler.
pub fn report(&self, err_hdl: &mut ErrorHandler) { pub fn report(&self, err_hdl: &mut ErrorHandler) {
err_hdl.report(ErrorType::Runtime, self.line, "", &self.message); err_hdl.report(ErrorType::Runtime, self.line, &self.pos, &self.message);
} }
} }