cppcheckdata.py: Added Token.getValue()

tools/cppcheckdata.py

@@ -63,6 +63,16 @@ class Token:
         self.astOperand1 = IdMap[self.astOperand1Id]
         self.astOperand2 = IdMap[self.astOperand2Id]
 
+    # Get value if it exists
+    # Returns None if it doesn't exist
+    def getValue(self,v):
+        if not self.values:
+            return None
+        for value in self.values:
+            if value.intvalue == v:
+                return value
+        return None
+
 class Scope:
     Id           = None
     classStartId = None