datex_core/parser/
parser_result.rs

1use crate::ast::expressions::DatexExpression;
2use crate::parser::errors::SpannedParserError;
3
4#[derive(Debug, Clone)]
5pub struct ValidDatexParseResult {
6    pub ast: DatexExpression,
7}
8
9#[derive(Debug, Clone)]
10pub struct InvalidDatexParseResult {
11    pub ast: DatexExpression,
12    pub errors: Vec<SpannedParserError>,
13}
14
15#[derive(Debug, Clone)]
16pub enum ParserResult {
17    Valid(ValidDatexParseResult),
18    Invalid(InvalidDatexParseResult),
19}
20
21impl ParserResult {
22    pub fn is_valid(&self) -> bool {
23        core::matches!(self, ParserResult::Valid { .. })
24    }
25    pub fn unwrap(self) -> ValidDatexParseResult {
26        match self {
27            ParserResult::Valid(result) => result,
28            ParserResult::Invalid(InvalidDatexParseResult {
29                errors, ..
30            }) => {
31                core::panic!("Parsing failed with errors: {:?}", errors)
32            }
33        }
34    }
35    pub fn errors(&self) -> Option<&Vec<SpannedParserError>> {
36        match self {
37            ParserResult::Valid { .. } => None,
38            ParserResult::Invalid(InvalidDatexParseResult {
39                errors, ..
40            }) => Some(errors),
41        }
42    }
43
44    pub fn ast(&self) -> &DatexExpression {
45        match self {
46            ParserResult::Valid(result) => &result.ast,
47            ParserResult::Invalid(InvalidDatexParseResult { ast, .. }) => ast,
48        }
49    }
50
51    pub fn into_ast_and_errors(
52        self,
53    ) -> (DatexExpression, Vec<SpannedParserError>) {
54        match self {
55            ParserResult::Valid(result) => (result.ast, vec![]),
56            ParserResult::Invalid(InvalidDatexParseResult { ast, errors }) => {
57                (ast, errors)
58            }
59        }
60    }
61
62    pub fn to_result(self) -> Result<DatexExpression, Vec<SpannedParserError>> {
63        match self {
64            ParserResult::Valid(result) => Ok(result.ast),
65            ParserResult::Invalid(InvalidDatexParseResult {
66                errors, ..
67            }) => Err(errors),
68        }
69    }
70}
datex_core/parser/parser_result.rs

datex_core/parser/
parser_result.rs
