Files
nx_post_support/server/src/tools/completion_items.py
T
2025-08-13 11:00:22 +02:00

128 lines
4.8 KiB
Python

from tclint.syntax_tree import Visitor, Command, BareWord, List
import lsprotocol.types as lsp
from common.load_data import standard_items
BUILTIN_VAR_LABELS = {ci.label for ci in standard_items.nx_variables}
class CompletionItems:
def __init__(self):
self._custom_functions: list[lsp.CompletionItem] = []
@property
def custom_functions(self) -> list[lsp.CompletionItem]:
return self._custom_functions
@custom_functions.setter
def custom_functions(self, value: lsp.CompletionItem):
self._custom_functions.append(value)
class _Completion(Visitor):
def __init__(self):
super().__init__()
self._custom_functions: list[lsp.CompletionItem] = []
self._proc_signatures = {}
@property
def custom_functions(self) -> list[lsp.CompletionItem]:
return self._custom_functions
@property
def proc_signatures(self):
return self._proc_signatures
def reset(self):
self._custom_functions = []
self._proc_signatures = {}
def _append_unique(self, item: lsp.CompletionItem):
# Avoid duplicate labels within the same file scan
if not any(ci.label == item.label for ci in self._custom_functions):
# For functions, attach a command to trigger signature help after completion
if item.kind == lsp.CompletionItemKind.Function and item.command is None:
item.command = lsp.Command(title="Trigger Signature Help", command="editor.action.triggerParameterHints")
self._custom_functions.append(item)
def visit_command(self, command: Command):
routine = command.routine
# Collect custom proc names and their signatures
if routine.contents == "proc" and command.args:
first_arg = command.args[0]
if not getattr(first_arg, "value", None):
return
if any(item.label == first_arg.value for item in standard_items.nx_procs):
return
# Record proc name as a completion item
self._append_unique(lsp.CompletionItem(label=first_arg.value, kind=lsp.CompletionItemKind.Function))
if len(command.args) < 2:
return
param_list_node = command.args[1]
if not hasattr(param_list_node, "children"):
return
param_names = []
for arg in param_list_node.children:
if isinstance(arg, BareWord):
param_names.append(arg.value)
elif isinstance(arg, List) and len(arg.children) >= 1:
first = arg.children[0]
if isinstance(first, BareWord):
param_names.append(first.value)
self._proc_signatures[first_arg.value] = param_names
# Collect global variables declared with: global var1 var2 ...
elif routine.contents == "global" and command.args:
for arg in command.args:
if isinstance(arg, BareWord) and getattr(arg, "value", None):
if arg.value not in BUILTIN_VAR_LABELS:
self._append_unique(lsp.CompletionItem(label=arg.value, kind=lsp.CompletionItemKind.Variable))
# Collect variables set with explicit global namespace: set ::var_name ...
elif routine.contents == "set" and command.args:
first = command.args[0]
if isinstance(first, BareWord) and getattr(first, "value", None):
var_name = first.value
if var_name.startswith("::"):
base_name = var_name.split("(", 1)[0]
clean_name = base_name[2:] # remove leading '::' for completion display
if clean_name not in BUILTIN_VAR_LABELS:
self._append_unique(lsp.CompletionItem(label=clean_name, kind=lsp.CompletionItemKind.Variable))
def remove_existing_items(items: list[lsp.CompletionItem], store: dict) -> None:
"""
Entfernt alle CompletionItems aus dem store, deren label in der items-Liste vorkommt.
Änderungen erfolgen in-place.
"""
labels_to_remove = {item.label for item in items}
for key in list(store.keys()):
filtered = [ci for ci in store[key] if ci.label not in labels_to_remove]
if filtered:
store[key] = filtered
else:
del store[key]
def remove_shared_keys(nested_dict: dict[str, dict[str, list]], flat_dict: dict[str, list]) -> None:
"""
Entfernt alle Keys aus nested_dict[file][func], wenn func auch in flat_dict vorhanden ist.
Änderungen erfolgen in-place.
"""
for file_path, func_dict in list(nested_dict.items()):
for func_name in list(func_dict.keys()):
if func_name in flat_dict:
del nested_dict[file_path][func_name]
if not nested_dict[file_path]:
del nested_dict[file_path]
completion = _Completion()