Add source mapping to constructor_variable

slither/solc_parsing/declarations/contract.py

@@ -387,17 +387,17 @@ class ContractSolc04(Contract):
 
     def add_constructor_variables(self):
         if self.state_variables:
-            found_candidate = False
             for (idx, variable_candidate) in enumerate(self.state_variables):
                 if variable_candidate.expression and not variable_candidate.is_constant:
-                    found_candidate = True
-                    break
-            if found_candidate:
+
                     constructor_variable = Function()
                     constructor_variable.set_function_type(FunctionType.CONSTRUCTOR_VARIABLES)
                     constructor_variable.set_contract(self)
                     constructor_variable.set_contract_declarer(self)
                     constructor_variable.set_visibility('internal')
+                    # For now, source mapping of the constructor variable is the whole contract
+                    # Could be improved with a targeted source mapping
+                    constructor_variable.set_offset(self.source_mapping, self.slither)
                     self._functions[constructor_variable.canonical_name] = constructor_variable
 
                     prev_node = self._create_node(constructor_variable, 0, variable_candidate)
@@ -409,6 +409,8 @@ class ContractSolc04(Contract):
                             next_node.add_father(prev_node)
                             counter += 1
 
+                    break
+