test rust lsp

server/crates/features/src/document_symbol.rs

@@ -0,0 +1,34 @@
+use anyhow::Result;
+use analysis::ProcIndex;
+use lsp_types as lsp;
+use text::DocumentStore;
+
+pub fn document_symbol(
+    docs: &DocumentStore,
+    index: &ProcIndex,
+    uri: &lsp::Uri
+) -> Result<Option<lsp::DocumentSymbolResponse>> {
+    let Some(doc) = docs.get(uri) else {
+        return Ok(None);
+    };
+    let Some(procs) = index.get(uri) else {
+        return Ok(None);
+    };
+
+    let mut symbols = Vec::new();
+    for p in procs {
+        let range = doc.byte_range_to_lsp_range(p.byte_start, p.byte_end);
+        symbols.push(lsp::DocumentSymbol {
+            name: p.name.clone(),
+            detail: Some(format!("proc {}", p.params.join(" "))),
+            kind: lsp::SymbolKind::FUNCTION,
+            range,
+            selection_range: range,
+            children: None,
+            tags: None,
+            deprecated: None,
+        });
+    }
+
+    Ok(Some(lsp::DocumentSymbolResponse::Nested(symbols)))
+}