helix_db/helixc/parser/
parser_methods.rs

1use super::helix_parser::Rule;
2use core::fmt;
3
4pub trait Parser {
5    fn parse(&self, input: &str) -> Result<(), String>;
6}
7
8
9pub enum ParserError {
10    ParseError(String),
11    LexError(String),
12    ParamDoesNotMatchSchema(String)
13}
14
15impl fmt::Display for ParserError {
16    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
17        match self {
18            ParserError::ParseError(e) => write!(f, "Parse error: {}", e),
19            ParserError::LexError(e) => write!(f, "Lex error: {}", e),
20            ParserError::ParamDoesNotMatchSchema(p) => write!(f, "Parameter with name: {} does not exist in the schema", p),
21        }
22    }
23}
24
25impl From<pest::error::Error<Rule>> for ParserError {
26    fn from(e: pest::error::Error<Rule>) -> Self {
27        ParserError::ParseError(e.to_string())
28    }
29}
30
31impl From<String> for ParserError {
32    fn from(e: String) -> Self {
33        ParserError::LexError(e)
34    }
35}
36
37impl From<&'static str> for ParserError {
38    fn from(e: &'static str) -> Self {
39        ParserError::LexError(e.to_string())
40    }
41}
42
43
44impl std::fmt::Debug for ParserError {
45    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
46        match self {
47            ParserError::ParseError(e) => write!(f, "Parse error: {}", e),
48            ParserError::LexError(e) => write!(f, "Lex error: {}", e),
49            ParserError::ParamDoesNotMatchSchema(p) => write!(f, "Parameter with name: {} does not exist in the schema", p),
50        }
51    }
52}
helix_db/helixc/parser/parser_methods.rs

helix_db/helixc/parser/
parser_methods.rs
