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
|
use std::sync::Arc;
use cstree::TextRange;
use lsp_types::{Diagnostic, DiagnosticSeverity};
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: None,
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()?.word()?;
let name2 = environment.end()?.name()?.word()?;
if name1.text() != name2.text() {
diagnostics_by_uri.insert(
Arc::clone(&document.uri),
Diagnostic {
range: document.line_index.line_col_lsp_range(name1.text_range()),
severity: Some(DiagnosticSeverity::Error),
code: None,
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.word())
.any(|name| ["asy", "lstlisting", "minted", "verbatim"].contains(&name.text()));
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: None,
code_description: None,
source: Some("texlab".to_string()),
message: "Missing \"}\" inserted".to_string(),
related_information: None,
tags: None,
data: None,
},
);
}
Some(())
}
|