provide type as weel in eval_expr

Author: r41k0u

pythonbpf/expr_pass.py

@@ -8,15 +8,15 @@ def eval_expr(func, module, builder, expr, local_sym_tab, map_sym_tab, structs_s
         if expr.id in local_sym_tab:
             var = local_sym_tab[expr.id][0]
             val = builder.load(var)
-            return val
+            return val, local_sym_tab[expr.id][1]  # return value and type
         else:
             print(f"Undefined variable {expr.id}")
             return None
     elif isinstance(expr, ast.Constant):
         if isinstance(expr.value, int):
-            return ir.Constant(ir.IntType(64), expr.value)
+            return ir.Constant(ir.IntType(64), expr.value), ir.IntType(64)
         elif isinstance(expr.value, bool):
-            return ir.Constant(ir.IntType(1), int(expr.value))
+            return ir.Constant(ir.IntType(1), int(expr.value)), ir.IntType(1)
         else:
             print("Unsupported constant type")
             return None
@@ -44,8 +44,9 @@ def eval_expr(func, module, builder, expr, local_sym_tab, map_sym_tab, structs_s
                 if arg is None:
                     print("Failed to evaluate deref argument")
                     return None
+                # Since we are handling only name case, directly take type from sym tab
                 val = builder.load(arg)
-                return val
+                return val, local_sym_tab[expr.args[0].id][1]
 
             # check for helpers
             if expr.func.id in helper_func_list: