Provide a sync version of textDocument_hover

In neovim, async functions provided by remote plugins can't return a value, render the result unusable.

Author: yshui

rplugin/python3/LanguageClient/LanguageClient.py

@@ -585,10 +585,8 @@ def workspace_didChangeConfiguration(self, settings: Dict, languageId: str) -> N
  def workspace_didChangeConfiguration_vim(self, args: List) -> None:
  self.workspace_didChangeConfiguration(settings=args[0])
 
- @neovim.function("LanguageClient_textDocument_hover")
- @deco_args
- def textDocument_hover(self, uri: str, languageId: str,
- line: int, character: int, handle=True) -> Dict:
+ def _textDocument_hover(self, uri: str, languageId: str,
+ line: int, character: int) -> Dict:
  logger.info("Begin textDocument/hover")
 
  self.textDocument_didChange()
@@ -603,6 +601,20 @@ def textDocument_hover(self, uri: str, languageId: str,
  }
  })
 
+ logger.info("End textDocument/hover")
+ return result
+
+ @neovim.function("LanguageClient_textDocument_hoverSync", sync=True)
+ @deco_args
+ def textDocument_hoverSync(self, uri: str, languageId: str,
+ line: int, character: int) -> Dict:
+ return self._textDocument_hover(uri, languageId, line, character)
+
+ @neovim.function("LanguageClient_textDocument_hover")
+ @deco_args
+ def textDocument_hover(self, uri: str, languageId: str,
+ line: int, character: int, handle=True) -> Dict:
+ result = self._textDocument_hover(uri, languageId, line, character)
  if result is None or not handle:
  return result
 
@@ -616,7 +628,6 @@ def textDocument_hover(self, uri: str, languageId: str,
  info = markedString_to_str(contents)
  echo(info)
 
- logger.info("End textDocument/hover")
  return result
 
  @neovim.function("LanguageClient_textDocument_definition")