Files
nx_post_support/server/src/lsp_tclserver.py
T
2025-08-12 11:27:14 +02:00

174 lines
6.2 KiB
Python

import logging
import pathlib
from typing import List, Optional, Tuple
import lsprotocol.types as lsp
from pygls.workspace.text_document import TextDocument
from tclint.lexer import TclSyntaxError
from tclint.format import FormatterOpts
from tools.formatter import NxFormatter as Formatter
from tclint.violations import Violation
from plugins.poco_plugin import commands
from tools import checks, parser
from pygls import server, uris
from tools.completion_items import completion, remove_existing_items, remove_shared_keys
from tools.proc_docs import build_proc_docs
DIAGNOSTIC_SOURCE = "nx-post-support"
class TclLanguageServer(server.LanguageServer):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.parser = parser.CustomParser()
for command in commands:
self.parser._commands.update(command)
self.diagnostics = {}
self.poco_completion: dict = {}
self.proc_signatures: dict = {}
self.proc_docs: dict = {}
# Cache: (uri, version) -> (tree, violations)
self._ast_cache = {}
def get_tree(self, document: TextDocument):
key = (document.uri, document.version)
cached = self._ast_cache.get(key)
if cached:
return cached[0]
# Parse and cache
self.parser.violations = []
tree = self.parser.parse(document.source)
violations = list(self.parser.violations)
self._ast_cache[key] = (tree, violations)
return tree
def get_tree_and_violations(self, document: TextDocument):
key = (document.uri, document.version)
cached = self._ast_cache.get(key)
if cached:
return cached
# Parse and cache
self.parser.violations = []
tree = self.parser.parse(document.source)
violations = list(self.parser.violations)
self._ast_cache[key] = (tree, violations)
return tree, violations
def clear_cache_for_uri(self, uri: str):
to_delete = [k for k in self._ast_cache.keys() if k[0] == uri]
for k in to_delete:
del self._ast_cache[k]
def update_poco_completion_for_file(self, document: TextDocument):
"""Update poco_completion for a specific file when it changes"""
filepath = str(pathlib.Path(uris.to_fs_path(document.uri)))
# Remove existing completion items for this file
if filepath in self.poco_completion:
del self.poco_completion[filepath]
if filepath in self.proc_signatures:
del self.proc_signatures[filepath]
if filepath in self.proc_docs:
del self.proc_docs[filepath]
# Parse and extract new completion items
completion.reset()
try:
tree = self.get_tree(document)
tree.accept(completion, recurse=True)
remove_existing_items(completion.custom_functions, self.poco_completion)
self.poco_completion[filepath] = completion.custom_functions
remove_shared_keys(self.proc_signatures, completion.proc_signatures)
self.proc_signatures[filepath] = completion.proc_signatures
self.proc_docs[filepath] = build_proc_docs(tree, document.source)
except Exception as e:
logging.debug(f"Error parsing {filepath}: {e}")
def format(
self,
document: TextDocument,
options: lsp.FormattingOptions,
range: Optional[Tuple[int, int]] = None,
):
# parser = Parser(command_plugins=["nx_plugins.poco_plugin.py"])
# parser._commands.update(commands)
indent = "\t" if not options.insert_spaces else " " * options.tab_size
formatter = Formatter(
FormatterOpts(
indent=indent,
spaces_in_braces=False,
max_blank_lines=500,
indent_namespace_eval=True,
),
)
if range is not None:
start, end = range
return formatter.format_partial(document.source[start:end], self.parser)
return formatter.format_top(document.source, self.parser)
def linter(
self,
document: TextDocument,
) -> List[Violation]:
tree, violations = self.get_tree_and_violations(document)
for checker in checks.get_checkers():
violations += checker.check(document.source, tree)
return violations
def lint(self, document: TextDocument):
diagnostics = []
try:
violations = self.linter(document)
except TclSyntaxError as e:
return [
lsp.Diagnostic(
message=str(e),
severity=lsp.DiagnosticSeverity.Error,
range=lsp.Range(
start=lsp.Position(e.start[0] - 1, e.start[1] - 1),
end=lsp.Position(e.end[0] - 1, e.end[1] - 1),
),
code="syntax error",
source=DIAGNOSTIC_SOURCE,
)
]
for violation in violations:
message = violation.message
severity = lsp.DiagnosticSeverity.Warning
start = lsp.Position(line=violation.start[0] - 1, character=violation.start[1] - 1)
end = lsp.Position(line=violation.end[0] - 1, character=violation.end[1] - 1)
diagnostics.append(
lsp.Diagnostic(
message=message,
severity=severity,
range=lsp.Range(
start=start,
end=end,
),
code=violation.id,
source=DIAGNOSTIC_SOURCE,
)
)
return diagnostics
def _compute_diagnostics(self, document: TextDocument) -> List[lsp.Diagnostic]:
return self.lint(document)
def compute_diagnostics(self, document: TextDocument):
# `None` sentinel ensures that `diagnostics` gets updated if the URI is not
# present.
_, previous = self.diagnostics.get(document, (0, None))
diagnostics = self._compute_diagnostics(document)
# Only update if the list has changed
if previous != diagnostics:
self.diagnostics[document.uri] = (document.version, diagnostics)