refactor(parser): move Diagnostic AST node

fortls/objects.py

@@ -36,9 +36,10 @@
     get_placeholders,
     get_var_stack,
 )
-from fortls.json_templates import diagnostic_json, location_json, range_json
+from fortls.json_templates import diagnostic_json, range_json
 from fortls.jsonrpc import path_to_uri
 from fortls.parsers.internal.base import FortranObj
+from fortls.parsers.internal.diagnostics import Diagnostic
 from fortls.parsers.internal.use import Use
 
 
@@ -365,49 +366,6 @@ class AssociateMap:
     link_name: str
 
 
-class Diagnostic:
-    def __init__(
-        self, sline: int, message: str, severity: int = 1, find_word: str = None
-    ):
-        self.sline: int = sline
-        self.message: str = message
-        self.severity: int = severity
-        self.find_word: str = find_word
-        self.has_related: bool = False
-        self.related_path = None
-        self.related_line = None
-        self.related_message = None
-
-    def add_related(self, path: str, line: int, message: str):
-        self.has_related = True
-        self.related_path = path
-        self.related_line = line
-        self.related_message = message
-
-    def build(self, file_obj):
-        schar = echar = 0
-        if self.find_word is not None:
-            self.sline, obj_range = file_obj.find_word_in_code_line(
-                self.sline, self.find_word
-            )
-            if obj_range.start >= 0:
-                schar = obj_range.start
-                echar = obj_range.end
-        diag = diagnostic_json(
-            self.sline, schar, self.sline, echar, self.message, self.severity
-        )
-        if self.has_related:
-            diag["relatedInformation"] = [
-                {
-                    **location_json(
-                        path_to_uri(self.related_path), self.related_line, 0
-                    ),
-                    "message": self.related_message,
-                }
-            ]
-        return diag
-
-
 class Scope(FortranObj):
     def __init__(self, file_ast, line_number: int, name: str, keywords: list = None):
         super().__init__()

fortls/parsers/internal/diagnostics.py

@@ -0,0 +1,47 @@
+from __future__ import annotations
+
+from fortls.json_templates import diagnostic_json, location_json
+from fortls.jsonrpc import path_to_uri
+
+
+class Diagnostic:
+    def __init__(
+        self, sline: int, message: str, severity: int = 1, find_word: str = None
+    ):
+        self.sline: int = sline
+        self.message: str = message
+        self.severity: int = severity
+        self.find_word: str = find_word
+        self.has_related: bool = False
+        self.related_path = None
+        self.related_line = None
+        self.related_message = None
+
+    def add_related(self, path: str, line: int, message: str):
+        self.has_related = True
+        self.related_path = path
+        self.related_line = line
+        self.related_message = message
+
+    def build(self, file_obj):
+        schar = echar = 0
+        if self.find_word is not None:
+            self.sline, obj_range = file_obj.find_word_in_code_line(
+                self.sline, self.find_word
+            )
+            if obj_range.start >= 0:
+                schar = obj_range.start
+                echar = obj_range.end
+        diag = diagnostic_json(
+            self.sline, schar, self.sline, echar, self.message, self.severity
+        )
+        if self.has_related:
+            diag["relatedInformation"] = [
+                {
+                    **location_json(
+                        path_to_uri(self.related_path), self.related_line, 0
+                    ),
+                    "message": self.related_message,
+                }
+            ]
+        return diag