Add CP-DSL Declaration SymbolTable and Visitor

bgc-dsl/bgcLSPServer/symbolTable/SymbolTable.py

@@ -467,10 +467,13 @@ class UnitSymbol( TypedSymbol ):
     A symbol with an attached unit (physical units such as second, metre, gram etc.).
     """
     attached_unit: Optional[Unit]
+    attached_description: Optional[str]
 
-    def __init__(self, name: str, attached_unit: Unit, attached_type: Type = None):
+    def __init__(self, name: str, attached_description: str, attached_unit: Unit, attached_type: Type = None):
         super().__init__( name, attached_type )
         self.attached_unit = attached_unit
+        self.attached_description = attached_description
+        
 
 
 class TypeAlias( Symbol, Type ):
@@ -865,10 +868,11 @@ class BlockSymbol( ScopedSymbol ):
 
 
 class VariableSymbol( UnitSymbol ):
-
-    def __init__(self, name: str, value=None, attached_type: Type = None):
-        super().__init__( name, attached_type )
-
+    is_tree = False
+    
+    def __init__(self, name: str, description: str = "", value = None, attached_unit : Unit = None, attached_type: Type = None):
+        super().__init__( name, description, attached_unit, attached_type )
+        self.is_tree = isinstance(value, ParseTree)
         self.value = value
 
 
@@ -887,6 +891,21 @@ class LiteralSymbol( UnitSymbol ):
 class ParameterSymbol( VariableSymbol ):
     pass
 
+class GroupSymbol(ScopedSymbol):
+    """
+    A Class for Group Declarations
+    """
+    description: Optional[str]
+    groupType: Optional[T]
+    
+    def __init__(self, name: str, groupType: T, description: str = ""):
+        super().__init__(name)
+        self.description = description
+        self.groupType = groupType
+        
+    def getGroupVars(self, localOnly=True) -> Coroutine[List[T]]:
+        return self.getSymbolsOfType(self.groupType)
+
 
 class RoutineSymbol( ScopedSymbol ):
     """
@@ -904,6 +923,12 @@ class RoutineSymbol( ScopedSymbol ):
     def getParameters(self, localOnly=True) -> Coroutine[List[T]]:
         return self.getSymbolsOfType( ParameterSymbol )
 
+    def getUnits(self, localOnly=True) -> Coroutine[List[T]]:
+        return self.getSymbolsOfType(UnitSymbol)
+    
+    def getFeatures(self, localOnly=True) -> Coroutine[List[T]]:
+        return self.getSymbolsOfType(RoutineSymbol)
+
 
 class MethodFlags( Enum ):
     NoneFL = 0