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use std::sync::Arc;
use lsp_types::{Diagnostic, DiagnosticSeverity, NumberOrString, Url};
use multimap::MultiMap;
use rowan::{ast::AstNode, NodeOrToken, TextRange};
use crate::{syntax::latex, Document, LineIndexExt, Workspace};
pub fn analyze_latex_static(
workspace: &Workspace,
diagnostics_by_uri: &mut MultiMap<Arc<Url>, Diagnostic>,
uri: &Url,
) -> Option<()> {
let document = workspace.documents_by_uri.get(uri)?;
if !document.uri.as_str().ends_with(".tex") {
return None;
}
let data = document.data.as_latex()?;
for node in latex::SyntaxNode::new_root(data.green.clone()).descendants() {
analyze_environment(document, diagnostics_by_uri, node.clone())
.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<Url>, 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(latex::small_range(&name1)),
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<Url>, 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(NodeOrToken::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(())
}
|
