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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
use std::sync::Arc;
use cstree::TextRange;
use lsp_types::{Diagnostic, DiagnosticSeverity, NumberOrString};
use multimap::MultiMap;
use crate::{
syntax::{latex, CstNode},
Document, LineIndexExt, Uri, Workspace,
};
pub fn analyze_latex_static(
workspace: &dyn Workspace,
diagnostics_by_uri: &mut MultiMap<Arc<Uri>, Diagnostic>,
uri: &Uri,
) -> Option<()> {
let document = workspace.get(uri)?;
if !document.uri.as_str().ends_with(".tex") {
return None;
}
let data = document.data.as_latex()?;
for node in data.root.descendants() {
analyze_environment(&document, diagnostics_by_uri, node)
.or_else(|| analyze_curly_group(&document, diagnostics_by_uri, node))
.or_else(|| {
if node.kind() == latex::ERROR && node.first_token()?.text() == "}" {
diagnostics_by_uri.insert(
Arc::clone(&document.uri),
Diagnostic {
range: document.line_index.line_col_lsp_range(node.text_range()),
severity: Some(DiagnosticSeverity::Error),
code: Some(NumberOrString::Number(1)),
code_description: None,
source: Some("texlab".to_string()),
message: "Unexpected \"}\"".to_string(),
related_information: None,
tags: None,
data: None,
},
);
Some(())
} else {
None
}
});
}
Some(())
}
fn analyze_environment(
document: &Document,
diagnostics_by_uri: &mut MultiMap<Arc<Uri>, Diagnostic>,
node: &latex::SyntaxNode,
) -> Option<()> {
let environment = latex::Environment::cast(node)?;
let name1 = environment.begin()?.name()?.key()?;
let name2 = environment.end()?.name()?.key()?;
if name1 != name2 {
diagnostics_by_uri.insert(
Arc::clone(&document.uri),
Diagnostic {
range: document.line_index.line_col_lsp_range(name1.small_range()),
severity: Some(DiagnosticSeverity::Error),
code: Some(NumberOrString::Number(3)),
code_description: None,
source: Some("texlab".to_string()),
message: "Mismatched environment".to_string(),
related_information: None,
tags: None,
data: None,
},
);
}
Some(())
}
fn analyze_curly_group(
document: &Document,
diagnostics_by_uri: &mut MultiMap<Arc<Uri>, Diagnostic>,
node: &latex::SyntaxNode,
) -> Option<()> {
if !matches!(
node.kind(),
latex::CURLY_GROUP
| latex::CURLY_GROUP_COMMAND
| latex::CURLY_GROUP_KEY_VALUE
| latex::CURLY_GROUP_WORD
| latex::CURLY_GROUP_WORD_LIST
) {
return None;
}
let is_inside_verbatim_environment = node
.ancestors()
.filter_map(latex::Environment::cast)
.filter_map(|env| env.begin())
.filter_map(|begin| begin.name())
.filter_map(|name| name.key())
.any(|name| {
["asy", "lstlisting", "minted", "verbatim"].contains(&name.to_string().as_str())
});
if !is_inside_verbatim_environment
&& !node
.children_with_tokens()
.filter_map(|element| element.into_token())
.any(|token| token.kind() == latex::R_CURLY)
{
diagnostics_by_uri.insert(
Arc::clone(&document.uri),
Diagnostic {
range: document
.line_index
.line_col_lsp_range(TextRange::empty(node.text_range().end())),
severity: Some(DiagnosticSeverity::Error),
code: Some(NumberOrString::Number(2)),
code_description: None,
source: Some("texlab".to_string()),
message: "Missing \"}\" inserted".to_string(),
related_information: None,
tags: None,
data: None,
},
);
}
Some(())
}
|