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digitalmars.D.bugs - [Issue 3390] New: [tdpl] out(result) contract should not be able to rebind result

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=3390

           Summary: [tdpl] out(result) contract should not be able to
                    rebind result
           Product: D
           Version: unspecified
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: andrei metalanguage.com


--- Comment #0 from Andrei Alexandrescu <andrei metalanguage.com> 2009-10-12
15:45:51 PDT ---
This code compiles and runs:

int fun()
out(result) { result = 2; }
body { return 1; }

However, fun still returns 1 (presumably because "result" is a copy of what
body returned).

The compiler should disallow flat out rebinding of result.

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Oct 12 2009
next sibling parent d-bugmail puremagic.com writes:
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Don <clugdbug yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch
                 CC|                            |clugdbug yahoo.com.au


--- Comment #1 from Don <clugdbug yahoo.com.au> 2009-10-19 04:13:13 PDT ---
PATCH: Why not just make 'result' const?

// func.c, line 1030.

           v = new VarDeclaration(loc, type->nextOf(), outId, NULL);
               v->noauto = 1;
#if DMDV2
+               v->storage_class |= STCconst;
               if (f->isref)
               {
                   v->storage_class |= STCref | STCforeach;
               }
#endif

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Oct 19 2009
prev sibling next sibling parent d-bugmail puremagic.com writes:
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Walter Bright <bugzilla digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bugzilla digitalmars.com


--- Comment #2 from Walter Bright <bugzilla digitalmars.com> 2009-11-21
03:48:16 PST ---
Will only fix for D2, since D1 hasn't a good notion of const.

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prev sibling next sibling parent d-bugmail puremagic.com writes:
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Leandro Lucarella <llucax gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |llucax gmail.com


--- Comment #3 from Leandro Lucarella <llucax gmail.com> 2009-11-22 14:39:13
PST ---
SVN commit: http://www.dsource.org/projects/dmd/changeset/259

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Walter Bright <bugzilla digitalmars.com> changed:

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


--- Comment #4 from Walter Bright <bugzilla digitalmars.com> 2009-12-06
00:53:00 PST ---
Fixed dmd 2.037

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