envuse_parser/errors/
program_error.rs

1use super::super::envuse::program::Program;
2use super::parser_error::ParseError;
3use crate::parser::span::Span;
4use crate::syntax_error::SyntaxError;
5use crate::utils::display_syntax::{DisplaySyntax, DisplaySyntaxDebugOptions};
6use std::error::Error;
7use std::fmt;
8
9#[derive(Debug)]
10pub struct ProgramError {
11    pub message: String,
12    pub span: Option<Span>,
13    pub source: String,
14    pub location: Option<String>,
15    pub cause: Option<Box<dyn Error>>,
16}
17
18impl ProgramError {
19    pub fn get_message(&self) -> String {
20        let mut debug_options = DisplaySyntaxDebugOptions::new();
21        debug_options.location = self.location.clone();
22
23        match &self.cause {
24            Some(error) if error.is::<SyntaxError>() => {
25                let syntax_error = error.downcast_ref::<SyntaxError>().unwrap();
26                let display_syntax = DisplaySyntax::new(
27                    format!("SyntaxError: {}", syntax_error.message),
28                    syntax_error.span.clone(),
29                );
30
31                display_syntax.debug_payload_configurable(&self.source, &debug_options)
32            }
33            Some(error) if error.is::<ParseError>() => {
34                let parse_error = error.downcast_ref::<ParseError>().unwrap();
35                let display_syntax = DisplaySyntax::new(
36                    format!("ParseError: {}", parse_error.message),
37                    parse_error.span.clone(),
38                );
39
40                display_syntax.debug_payload_configurable(&self.source, &debug_options)
41            }
42            _ => self.message.to_string(),
43        }
44    }
45}
46
47impl fmt::Display for ProgramError {
48    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
49        write!(f, "{}", self.get_message().to_string())
50    }
51}
52
53impl std::error::Error for ProgramError {}
54
55impl From<(&Program, &str)> for ProgramError {
56    fn from(arg: (&Program, &str)) -> Self {
57        let (program, str) = arg;
58        ProgramError {
59            message: String::from(str),
60            span: None,
61            source: program.source.clone(),
62            location: program.location.clone(),
63            cause: None,
64        }
65    }
66}
envuse_parser/errors/program_error.rs

envuse_parser/errors/
program_error.rs
