//////////////////////////////////////////////////////////////////////////////
private void addSubexpression(Expression e, string context)
{
if (!e.isGround)
{
return;
}
string key = e.ToString();
SubExpression se = null;
if (subexpressionCounts.TryGetValue(key, out se))
{
se.add(currentStatement, context);
}
//targetE,context,statementId); contexts subexpressionCounts[key].contexts.Add(context);
else
{
Expression ne = e.substitute(new ExpressionSubstitution());
subexpressionCounts.Add(ne.ToString(), new SubExpression(ne, currentStatement, context));
Debug.Assert(ne.ToString() == subexpressionCounts[ne.ToString()].expression.ToString());
}
}