forked from RustPython/RustPython
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy patherror.rs
More file actions
46 lines (42 loc) · 1.51 KB
/
error.rs
File metadata and controls
46 lines (42 loc) · 1.51 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
use rustpython_parser::error::ParseError;
use std::error::Error;
use std::fmt;
#[derive(Debug)]
pub enum CompileError {
/// Invalid assignment, cannot store value in target.
Assign(&'static str),
/// Invalid delete
Delete(&'static str),
/// Expected an expression got a statement
ExpectExpr,
/// Parser error
Parse(ParseError),
/// Multiple `*` detected
StarArgs,
/// Break statement outside of loop.
InvalidBreak,
/// Continue statement outside of loop.
InvalidContinue,
InvalidReturn,
InvalidYield,
}
impl fmt::Display for CompileError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
CompileError::Assign(target) => write!(f, "can't assign to {}", target),
CompileError::Delete(target) => write!(f, "can't delete {}", target),
CompileError::ExpectExpr => write!(f, "Expecting expression, got statement"),
CompileError::Parse(err) => write!(f, "{}", err),
CompileError::StarArgs => write!(f, "Two starred expressions in assignment"),
CompileError::InvalidBreak => write!(f, "'break' outside loop"),
CompileError::InvalidContinue => write!(f, "'continue' outside loop"),
CompileError::InvalidReturn => write!(f, "'return' outside function"),
CompileError::InvalidYield => write!(f, "'yield' outside function"),
}
}
}
impl Error for CompileError {
fn source(&self) -> Option<&(dyn Error + 'static)> {
None
}
}