>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>Sent: 17 February 2005 16:34
>To: Microcontroller discussion list - Public.
>Subject: Re: [EE] Languages, was Bug in Microchip mcc18 std library?
>
>
>>> I would agree with your assessment, but the other part that 
>I cannot 
>>> figure, is why have a switch statement? It does nothing except fall
>>> straight through
>>> to the default case.
>>
>>It doesn't for the numbers 0..9.
>
>Hang on, there is no mention of code between the switch, and 
>the default, so I imagine that is all empty. Hence the switch 
>statement will generate a label to the default, which will 
>always be executed, and in my mind the code generated by the 
>switch statement should be optimised out by the compiler for 
>this reason. Hence the code becomes an if ... else ... 
>construct only, which as Wouter noted handles 0..9. There is 
>no code to handle cases outside these numbers at all.
>
>what have I missed ?

The compiler can still "see" the case statements, within the switch
block, even though they are within an if-else statement.  FWIW I tried
this in the HiTech PICC compiler and it compiles cleanly and works
correctly ( once the syntax errors are fixed).

Regards

Mike

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