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
47
48
49
50
51
52
53
54
|
mod byte;
mod byte_string;
mod char;
mod string;
mod block;
use crate::{
SourceFile, SyntaxError, AstNode, SyntaxNode,
SyntaxKind::{L_CURLY, R_CURLY},
ast,
algo::visit::{visitor_ctx, VisitorCtx},
};
pub(crate) fn validate(file: &SourceFile) -> Vec<SyntaxError> {
let mut errors = Vec::new();
for node in file.syntax().descendants() {
let _ = visitor_ctx(&mut errors)
.visit::<ast::Byte, _>(byte::validate_byte_node)
.visit::<ast::ByteString, _>(byte_string::validate_byte_string_node)
.visit::<ast::Char, _>(char::validate_char_node)
.visit::<ast::String, _>(string::validate_string_node)
.visit::<ast::Block, _>(block::validate_block_node)
.accept(node);
}
errors
}
pub(crate) fn validate_block_structure(root: &SyntaxNode) {
let mut stack = Vec::new();
for node in root.descendants() {
match node.kind() {
L_CURLY => stack.push(node),
R_CURLY => {
if let Some(pair) = stack.pop() {
assert_eq!(
node.parent(),
pair.parent(),
"\nunpaired curleys:\n{}\n{}\n",
root.text(),
root.debug_dump(),
);
assert!(
node.next_sibling().is_none() && pair.prev_sibling().is_none(),
"\nfloating curlys at {:?}\nfile:\n{}\nerror:\n{}\n",
node,
root.text(),
node.text(),
);
}
}
_ => (),
}
}
}
|