fix: wrong highligthing

server/src/tools/semantic_tokens.py

@@ -4,7 +4,6 @@ from tclint.syntax_tree import Visitor, QuotedWord, Command, BareWord
 from tclint.commands import get_commands
 import attrs
 from common.load_data import standard_items
-from tools.completion_items import completion
 import lsprotocol.types as lsp
 
 
@@ -86,19 +85,23 @@ class _Highlighter(Visitor):
         pass
 
     def visit_bare_word(self, word: BareWord):
-        name = word.value
+        # Intentionally do not classify bare words as functions here.
-
+        # Function highlighting is handled in visit_command for the routine only,
-        in_standard = any(item.label == name for item in standard_items.nx_procs)
+        # using completion items (custom functions) as the source of truth.
-
+        return
-        in_custom = any(item.label == name for items in self.custom_functions.values() for item in items)
-
-        if in_standard or in_custom:
-            line, col = word.pos
-            self._tokens.append((((line - 1, col - 1), len(name), "function", [])))
 
     def visit_command(self, command: Command):
         routine = command.routine
 
+        # Highlight functions (custom or standard) when used as the routine
+        name = getattr(routine, "contents", None)
+        if name:
+            in_custom = any(item.label == name for items in self.custom_functions.values() for item in items)
+            in_standard = any(item.label == name for item in standard_items.nx_procs)
+            if in_custom or in_standard:
+                line, col = routine.contents_pos
+                self._tokens.append((((line - 1, col - 1), len(name), "function", [])))
+
         if routine.contents == "puts":
             line, col = routine.contents_pos
             self._tokens.append(