Merge pull request #328 from boriel/feature/refact_symbolVAR_class

SymbolVAR always return its final value

Author: boriel

symbols/bound.py

@@ -48,13 +48,13 @@ def make_node(lower, upper, lineno):
             syntax_error(lineno, 'Array bounds must be constants')
             return None
 
-        while isinstance(lower, SymbolVAR):
+        if isinstance(lower, SymbolVAR):
             lower = lower.value
             if lower is None:  # semantic error
                 syntax_error(lineno, "Unknown lower bound for array dimension")
                 return
 
-        while isinstance(upper, SymbolVAR):
+        if isinstance(upper, SymbolVAR):
             upper = upper.value
             if upper is None:  # semantic error
                 syntax_error(lineno, "Unknown upper bound for array dimension")

symbols/var.py

@@ -170,6 +170,9 @@ def value(self):
         """ An alias of default value, only available is class_ is CONST
         """
         assert self.class_ == CLASS.const
+        if isinstance(self.default_value, SymbolVAR):
+            return self.default_value.value
+
         return self.default_value
 
     @value.setter