[Year 12 SofDev] compiler question

Tue Sep 3 15:51:08 EST 2013

Hi all,
My 1.8 cents worth;
It’s a runtime error. If it was a syntax error, then it would be when Alan was typing in the actual code itself. Given he’s typing while the program is running, I would assume that it’s a runtime error because it’s looking for a function that does not exist.
Either way, it’s bad coding and a badly written question
Cheers
Damien

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From: Mark [mailto:mark at vceit.com]
Sent: Tuesday, 3 September 2013 11:21 AM
To: Year 12 Software Development Teachers' Mailing List
Subject: Re: [Year 12 SofDev] compiler question

Hi David.
The software's syntax consisted of only 'PUSH' and 'POP', so the entry of an unknown command 'PIP' would be a syntax error from the software's point of view.

Cheers
Mark
On 3 September 2013 08:41, David Dawson <David.Dawson at wesleycollege.net<mailto:David.Dawson at wesleycollege.net>> wrote:
Oh – see this
http://en.wikipedia.org/wiki/Syntax_error

David Dawson
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From: sofdev-bounces at edulists.com.au<mailto:sofdev-bounces at edulists.com.au> [mailto:sofdev-bounces at edulists.com.au<mailto:sofdev-bounces at edulists.com.au>] On Behalf Of Mark
Sent: Monday, 2 September 2013 11:19 PM
To: Year 12 Software Development Teachers' Mailing List
Subject: Re: [Year 12 SofDev] compiler question

But the trigger of the crash was incorrect syntax of the input into the program (which is acting as a compiler/interpreter)...

On 2 September 2013 21:54, Calum Munro <munrocs at aquinas.vic.edu.au<mailto:munrocs at aquinas.vic.edu.au>> wrote:
Hi Andrew,

I'm with you. The program runs, so no syntax error. The program crashes when given an incorrect input, that's a run time error for me.

Calum

On 02/09/2013, at 2:37 PM, "Andrew Pate" <arp at mentonegrammar.net<mailto:arp at mentonegrammar.net><mailto:arp at mentonegrammar.net<mailto:arp at mentonegrammar.net>>> wrote:

Hi all,
I have purchased the IARTV trial exams and am wondering about one of their multi-choice answers.Your help is, as always, appreciated.

The question asks about a function written which is called “POP”, but “when testing his stack Alan accidentally types in PIP and the program crashes”.
The multi-choice answers has us choose from runtime error or syntax error.

They suggest the answer is syntax error (and explain that a name, expression etc…that the compiler cannot understand causes a syntax error)

Now, if the program IS RUNNING and THEN crashes, does that not imply that it compiled? Therefore, it is a runtime error (where validation of input was not handled) or am I thinking too language specifically?

Thanks

Andrew Pate
Technology Faculty Coordinator

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