• d-bugmail puremagic.com (32/32) Aug 16 2011 http://d.puremagic.com/issues/show_bug.cgi?id=6513

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=6513

           Summary: More info in Range violation exception message?
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Keywords: diagnostic
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: bearophile_hugs eml.cc



This is a wrong D2 program:

void main() {
    auto foo = new int[][](10, 10);
    int i = 2;
    foo[i][$ + 1] = 1;
}



It gives at run-time:

core.exception.RangeError test(4): Range violation


But if possible I'd like a more decriptive message, that gives more
information, something like:

core.exception.RangeError test(4): Range violation (array 'foo[2]', length=10,
index=11)

(The disadvantage of this error message is that the binary gets larger in
nonrelease mode. If this is too much overhead, then consider a similar message
in -debug compilation only).

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