Gpc April 2013

gpc@gnu.de

6 participants
3 discussions

for-loops and subrange types
by Jonas Maebe 29 Apr '13

29 Apr '13

Hi, Can anyone here offer some insights regarding the standard conformance of the test program submitted at http://bugs.freepascal.org/view.php?id=24318 ? (range.p) Both FPC and GPC cause the program to abort with a range check error, while the submitter is of the opinion that the for-loop should merely short-circuit and never executed instead. Jonas

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Re: for-loops and subrange types
by Contestcen＠aol.com 27 Apr '13

27 Apr '13

This compatibility requirement seems to imply that the control variable need not be an integer type. Does this mean that Var letter: char; for letter := 'A' to 'Z' do is legitimate, or that the definers of the language expected that might eventually be allowed? Or does it merely mean that the magnitudes must match the range, so that Var num: smallint; for num := 20000 to 40000 do is illegal? In a message dated 4/26/2013 4:28:41 P.M. Eastern Daylight Time, jonas.maebe(a)elis.ugent.be writes: : The initial-value and the final-value of a sequence-iteration : of an iteration-clause of a for-statement shall be of a type : compatible with the type of control-variable of the for-statement. : The initial-value and the final-value shall be : assignment-compatible with the type possesed by the : control-variable if the statement of the for-statement : is executed.

2 1

GPC with gcc-4.[23]
by Waldek Hebisch 18 Apr '13

18 Apr '13

I did some work on updating gpc to newer gcc versions. You can find it at GitHub: https://github.com/hebisch/gpc This is experimental work. 4.2 and 4.3 ports (on "master" Git branch) are basically in "works for my purpose" state: on my machine compiler builds and passes test suite with small (but nonzero) number of failures. On 4.5.1 there is initial port to gcc-4.[45] -- this one is broken from user point of view and may be of some use only for people who want to seriously work on the compiler. Note that this is _not_ a release. There are relatively easy to fix but non working things (in particular some features of Makefiles are broken). Testing was limited to running testsute just for one configuration. I estimate that fixing easily fixable stuff and polishing things would take me about a week -- unfortunately I am busy with other things. So I decided to make the code available "as is". If there will be bug reports, I will look at them and there is reasonable chance that I will fix them. But otherwise I do not plan to work on gpc in near future. If you want to try the code note that there are changes to build process, look at toplevel README file. -- Waldek Hebisch hebisch(a)math.uni.wroc.pl

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Gpc April 2013