www.digitalmars.com         C & C++   DMDScript  

digitalmars.D.bugs - [Issue 353] New: null passed as a char[] template argument, concatenated with a string literal, is a non-constant expression

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=353

           Summary: null passed as a char[] template argument, concatenated
                    with a string literal, is a non-constant expression
           Product: D
           Version: 0.166
          Platform: PC
        OS/Version: Windows
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: bugzilla digitalmars.com
        ReportedBy: smjg iname.com


----------
template Qwert(char[] yuiop) {
    const char[] Qwert = yuiop ~ "asdfg";
}

void main() {
    char[] hjkl = Qwert!(null);
}
----------
D:\My Documents\Programming\D\Tests\bugs\string_template7.d(2): non-constant
expression null ~ "asdfg"
----------

No such error occurs if null is replaced by a string literal, or if line 2 is
changed to

    const char[] Qwert = yuiop;

If, starting with the original code, hjkl is declared at module level, the
error is doubled:

----------
template Qwert(char[] yuiop) {
    const char[] Qwert = yuiop ~ "asdfg";
}

char[] hjkl = Qwert!(null);
----------
D:\My Documents\Programming\D\Tests\bugs\string_template7a.d(5): non-constant
expression null ~ "asdfg"
D:\My Documents\Programming\D\Tests\bugs\string_template7a.d(2): non-constant
expression null ~ "asdfg"
----------

If hjkl is declared as const and at module level, then the error is tripled (at
lines 5, 2 and 2).


--
Sep 16 2006
next sibling parent Thomas Kuehne <thomas-dloop kuehne.cn> writes:
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

d-bugmail puremagic.com schrieb am 2006-09-16:

 http://d.puremagic.com/issues/show_bug.cgi?id=353



 template Qwert(char[] yuiop) {
     const char[] Qwert = yuiop ~ "asdfg";
 }

 void main() {
     char[] hjkl = Qwert!(null);
 }
 ----------
 D:\My Documents\Programming\D\Tests\bugs\string_template7.d(2): non-constant
 expression null ~ "asdfg"
 ----------


<snip>

Added to DStress as
http://dstress.kuehne.cn/compile/o/opCat_21_A.d
http://dstress.kuehne.cn/compile/o/opCat_21_B.d
http://dstress.kuehne.cn/compile/o/opCat_21_C.d
http://dstress.kuehne.cn/compile/o/opCat_21_D.d
http://dstress.kuehne.cn/compile/o/opCat_21_E.d
http://dstress.kuehne.cn/compile/o/opCat_21_F.d
http://dstress.kuehne.cn/compile/o/opCat_22_A.d
http://dstress.kuehne.cn/compile/o/opCat_22_B.d
http://dstress.kuehne.cn/compile/o/opCat_22_C.d
http://dstress.kuehne.cn/compile/o/opCat_22_D.d
http://dstress.kuehne.cn/compile/o/opCat_22_E.d
http://dstress.kuehne.cn/compile/o/opCat_22_F.d

Thomas


-----BEGIN PGP SIGNATURE-----

iD8DBQFFEZK9LK5blCcjpWoRAqrbAKCpL/Tfq5p4DhSk3YnpB84rxf4HPgCff/Ek
tLKCoqSG5qsDPbP+WgHxtfU=
=FZkD
-----END PGP SIGNATURE-----
Sep 20 2006
prev sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=353


bugzilla digitalmars.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED





Fixed DMD 0.175


--
Nov 25 2006