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import logging
from . import lsp
from .workspace import Workspace
log = logging.getLogger(__name__)
class VhdlLanguageServer(object):
def __init__(self):
self.workspace = None
self.lsp = None
self._shutdown = False
self.dispatcher = {
"initialize": self.initialize,
"initialized": self.initialized,
"shutdown": self.shutdown,
"$/setTraceNotification": self.setTraceNotification,
"$/setTrace": self.setTrace,
"$/cancelRequest": self.cancelRequest,
"textDocument/didOpen": self.textDocument_didOpen,
"textDocument/didChange": self.textDocument_didChange,
"textDocument/didClose": self.textDocument_didClose,
"textDocument/didSave": self.textDocument_didSave,
"textDocument/hover": self.textDocument_hover,
"textDocument/definition": self.textDocument_definition,
"textDocument/implementation": self.textDocument_implementation,
"textDocument/documentSymbol": self.textDocument_documentSymbol,
"textDocument/codeAction": self.textDocument_codeAction,
# 'textDocument/completion': self.completion,
"textDocument/rangeFormatting": self.textDocument_rangeFormatting,
"workspace/xShowAllFiles": self.workspace_xShowAllFiles,
"workspace/xGetAllEntities": self.workspace_xGetAllEntities,
"workspace/xGetEntityInterface": self.workspace_xGetEntityInterface,
}
def set_lsp(self, server):
self.lsp = server
def shutdown(self):
self.lsp.shutdown()
def setTraceNotification(self, value):
pass
def setTrace(self, value):
pass
def cancelRequest(self, id):
pass
def capabilities(self):
server_capabilities = {
"textDocumentSync": {
"openClose": True,
"change": lsp.TextDocumentSyncKind.INCREMENTAL,
"save": {"includeText": True},
},
"hoverProvider": True,
# 'completionProvider': False,
# 'signatureHelpProvider': {
# 'triggerCharacters': ['(', ',']
# },
"definitionProvider": True,
"implementationProvider": True,
"referencesProvider": False,
"documentHighlightProvider": False,
"documentSymbolProvider": True,
"codeActionProvider": False,
"documentFormattingProvider": False,
"documentRangeFormattingProvider": True,
"renameProvider": False,
}
return server_capabilities
def initialize(self, processId, rootPath, capabilities, rootUri=None, initializationOptions=None, **_):
log.debug(
"Language server initialize: pid=%s uri=%s path=%s options=%s",
processId,
rootUri,
rootPath,
initializationOptions,
)
if rootUri is None:
rootUri = lsp.path_to_uri(rootPath) if rootPath is not None else ""
self.workspace = Workspace(rootUri, self.lsp)
# Get our capabilities
return {"capabilities": self.capabilities()}
def initialized(self):
# Event when the client is fully initialized.
return None
def textDocument_didOpen(self, textDocument=None):
doc_uri = textDocument["uri"]
self.workspace.put_document(doc_uri, textDocument["text"], version=textDocument.get("version"))
self.lint(doc_uri)
def textDocument_didChange(self, textDocument=None, contentChanges=None, **_kwargs):
doc_uri = textDocument["uri"]
new_version = textDocument.get("version")
self.workspace.apply_changes(doc_uri, contentChanges, new_version)
def lint(self, doc_uri):
self.workspace.lint(doc_uri)
def textDocument_didClose(self, textDocument=None, **_kwargs):
self.workspace.rm_document(textDocument["uri"])
def textDocument_didSave(self, textDocument=None, text=None, **_kwargs):
if text is not None:
# Sanity check: check we have the same content for the document.
self.workspace.check_document(textDocument["uri"], text)
else:
log.debug("did save - no text")
self.lint(textDocument["uri"])
def textDocument_definition(self, textDocument=None, position=None):
return self.workspace.goto_definition(textDocument["uri"], position)
def textDocument_implementation(self, textDocument=None, position=None):
return self.workspace.goto_implementation(textDocument["uri"], position)
def textDocument_documentSymbol(self, textDocument=None):
doc = self.workspace.get_or_create_document(textDocument["uri"])
return doc.document_symbols()
def textDocument_rangeFormatting(self, textDocument=None, range=None, options=None):
doc_uri = textDocument["uri"]
doc = self.workspace.get_document(doc_uri)
assert doc is not None, "Try to format a non-loaded document"
res = doc.format_range(range)
if res is not None:
self.lint(doc_uri)
return res
def textDocument_hover(self, textDocument=None, position=None):
return self.workspace.hover(textDocument["uri"], position)
def textDocument_codeAction(self, textDocument=None, range=None, context=None):
# Not yet implemented.
# * reorder associations (but keep comments !)
# * add missing associations (all or only IN)
# * add formal in assocs
return None
def m_workspace__did_change_configuration(self, _settings=None):
for doc_uri in self.workspace.documents:
self.lint(doc_uri)
def m_workspace__did_change_watched_files(self, **_kwargs):
# Externally changed files may result in changed diagnostics
for doc_uri in self.workspace.documents:
self.lint(doc_uri)
def workspace_xShowAllFiles(self):
return self.workspace.x_show_all_files()
def workspace_xGetAllEntities(self):
return self.workspace.x_get_all_entities()
def workspace_xGetEntityInterface(self, library, name):
return self.workspace.x_get_entity_interface(library, name)
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