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add error handling

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elkowar 2021-07-16 14:45:37 +02:00
parent c5643424ca
commit 3bb2e6516e
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GPG key ID: E321AD71B1D1F27F
2 changed files with 26 additions and 24 deletions
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1
src/lib.rs
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@ -1,4 +1,5 @@
pub mod ast; pub mod ast;
pub mod dynval;
pub mod error; pub mod error;
mod lalrpop_helpers; mod lalrpop_helpers;
mod lexer; mod lexer;

49
src/parser.lalrpop
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@ -11,32 +11,33 @@ extern {
type Error = LexicalError; type Error = LexicalError;
enum Token { enum Token {
"+" => Token::Plus, "+" => Token::Plus,
"-" => Token::Minus, "-" => Token::Minus,
"*" => Token::Times, "*" => Token::Times,
"/" => Token::Div, "/" => Token::Div,
"%" => Token::Mod, "%" => Token::Mod,
"==" => Token::Equals, "==" => Token::Equals,
"!=" => Token::NotEquals, "!=" => Token::NotEquals,
"&&" => Token::And, "&&" => Token::And,
"||" => Token::Or, "||" => Token::Or,
">" => Token::GT, ">" => Token::GT,
"<" => Token::LT, "<" => Token::LT,
"?:" => Token::Elvis, "?:" => Token::Elvis,
"=~" => Token::RegexMatch, "=~" => Token::RegexMatch,
"!" => Token::Not, "!" => Token::Not,
"," => Token::Comma, "," => Token::Comma,
"?" => Token::Question, "?" => Token::Question,
":" => Token::Colon, ":" => Token::Colon,
"(" => Token::LPren, "(" => Token::LPren,
")" => Token::RPren, ")" => Token::RPren,
"[" => Token::LBrack, "[" => Token::LBrack,
"]" => Token::RBrack, "]" => Token::RBrack,
"." => Token::Dot, "." => Token::Dot,
"true" => Token::True,
"false" => Token::False, "true" => Token::True,
"false" => Token::False,
"identifier" => Token::Ident(<String>), "identifier" => Token::Ident(<String>),
"number" => Token::NumLit(<String>), "number" => Token::NumLit(<String>),