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import asyncio
from typing import Dict, Sequence, Union, Optional
from lsprotocol.types import (
DidOpenTextDocumentParams,
DidChangeTextDocumentParams,
TEXT_DOCUMENT_DID_CHANGE,
TEXT_DOCUMENT_DID_OPEN,
TEXT_DOCUMENT_COMPLETION,
CompletionList,
CompletionItem,
CompletionParams,
TEXT_DOCUMENT_HOVER,
)
from debputy import __version__
from debputy.lsp.lsp_features import (
DIAGNOSTIC_HANDLERS,
COMPLETER_HANDLERS,
HOVER_HANDLERS,
)
from debputy.util import _info
_DOCUMENT_VERSION_TABLE: Dict[str, int] = {}
try:
from pygls.server import LanguageServer
DEBPUTY_LANGUAGE_SERVER = LanguageServer("debputy", f"v{__version__}")
except ImportError:
class Mock:
def feature(self, *args, **kwargs):
return lambda x: x
DEBPUTY_LANGUAGE_SERVER = Mock()
def is_doc_at_version(uri: str, version: int) -> bool:
dv = _DOCUMENT_VERSION_TABLE.get(uri)
return dv == version
@DEBPUTY_LANGUAGE_SERVER.feature(TEXT_DOCUMENT_DID_OPEN)
@DEBPUTY_LANGUAGE_SERVER.feature(TEXT_DOCUMENT_DID_CHANGE)
async def _open_or_changed_document(
ls: "LanguageServer",
params: Union[DidOpenTextDocumentParams, DidChangeTextDocumentParams],
) -> None:
version = params.text_document.version
doc_uri = params.text_document.uri
doc = ls.workspace.get_text_document(doc_uri)
_DOCUMENT_VERSION_TABLE[doc_uri] = version
handler = DIAGNOSTIC_HANDLERS.get(doc.language_id)
if handler is None:
_info(
f"Opened/Changed document: {doc.path} ({doc.language_id}) - no diagnostics handler"
)
return
_info(
f"Opened/Changed document: {doc.path} ({doc.language_id}) - running diagnostics for doc version {version}"
)
last_publish_count = -1
diagnostics_scanner = handler(ls, params)
async for diagnostics in diagnostics_scanner:
await asyncio.sleep(0)
if not is_doc_at_version(doc_uri, version):
# This basically happens with very edit, so lets not notify the client
# for that.
_info(
f"Cancel (obsolete) diagnostics for doc version {version}: document version changed"
)
break
if diagnostics is None or last_publish_count != len(diagnostics):
last_publish_count = len(diagnostics) if diagnostics is not None else 0
ls.publish_diagnostics(
doc.uri,
diagnostics,
)
@DEBPUTY_LANGUAGE_SERVER.feature(TEXT_DOCUMENT_COMPLETION)
def _completions(
ls: "LanguageServer",
params: CompletionParams,
) -> Optional[Union[CompletionList, Sequence[CompletionItem]]]:
doc_uri = params.text_document.uri
doc = ls.workspace.get_text_document(doc_uri)
handler = COMPLETER_HANDLERS.get(doc.language_id)
if handler is None:
_info(
f"Complete request for document: {doc.path} ({doc.language_id}) - no handler"
)
return
_info(
f"Complete request for document: {doc.path} ({doc.language_id}) - delegating to handler"
)
return handler(
ls,
params,
)
@DEBPUTY_LANGUAGE_SERVER.feature(TEXT_DOCUMENT_HOVER)
def _hover(
ls: "LanguageServer",
params: CompletionParams,
) -> Optional[Union[CompletionList, Sequence[CompletionItem]]]:
doc_uri = params.text_document.uri
doc = ls.workspace.get_text_document(doc_uri)
handler = HOVER_HANDLERS.get(doc.language_id)
if handler is None:
_info(
f"Hover request for document: {doc.path} ({doc.language_id}) - no handler"
)
return
_info(
f"Hover request for document: {doc.path} ({doc.language_id}) - delegating to handler"
)
return handler(
ls,
params,
)
|
