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-rw-r--r--crates/ra_lsp_server/src/main_loop/handlers.rs28
1 files changed, 11 insertions, 17 deletions
diff --git a/crates/ra_lsp_server/src/main_loop/handlers.rs b/crates/ra_lsp_server/src/main_loop/handlers.rs
index 99f15354f..b9b42f1b3 100644
--- a/crates/ra_lsp_server/src/main_loop/handlers.rs
+++ b/crates/ra_lsp_server/src/main_loop/handlers.rs
@@ -475,36 +475,30 @@ pub fn handle_signature_help(
475 params: req::TextDocumentPositionParams, 475 params: req::TextDocumentPositionParams,
476) -> Result<Option<req::SignatureHelp>> { 476) -> Result<Option<req::SignatureHelp>> {
477 let position = params.try_conv_with(&world)?; 477 let position = params.try_conv_with(&world)?;
478 478 if let Some(call_info) = world.analysis().call_info(position)? {
479 if let Some((descriptor, active_param)) = world.analysis().resolve_callable(position)? { 479 let parameters: Vec<ParameterInformation> = call_info
480 let parameters: Vec<ParameterInformation> = descriptor 480 .parameters
481 .params 481 .into_iter()
482 .iter()
483 .map(|param| ParameterInformation { 482 .map(|param| ParameterInformation {
484 label: ParameterLabel::Simple(param.clone()), 483 label: ParameterLabel::Simple(param.clone()),
485 documentation: None, 484 documentation: None,
486 }) 485 })
487 .collect(); 486 .collect();
488 487 let documentation = call_info.doc.map(|value| {
489 let documentation = if let Some(doc) = descriptor.doc { 488 Documentation::MarkupContent(MarkupContent {
490 Some(Documentation::MarkupContent(MarkupContent {
491 kind: MarkupKind::Markdown, 489 kind: MarkupKind::Markdown,
492 value: doc, 490 value,
493 })) 491 })
494 } else { 492 });
495 None
496 };
497
498 let sig_info = SignatureInformation { 493 let sig_info = SignatureInformation {
499 label: descriptor.label, 494 label: call_info.label,
500 documentation, 495 documentation,
501 parameters: Some(parameters), 496 parameters: Some(parameters),
502 }; 497 };
503
504 Ok(Some(req::SignatureHelp { 498 Ok(Some(req::SignatureHelp {
505 signatures: vec![sig_info], 499 signatures: vec![sig_info],
506 active_signature: Some(0), 500 active_signature: Some(0),
507 active_parameter: active_param.map(|a| a as u64), 501 active_parameter: call_info.active_parameter.map(|it| it as u64),
508 })) 502 }))
509 } else { 503 } else {
510 Ok(None) 504 Ok(None)