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digitalmars.D.bugs - [Issue 11751] New: [REG2.065a] Hex float exponents should be decimal

reply d-bugmail puremagic.com writes:
https://d.puremagic.com/issues/show_bug.cgi?id=11751

           Summary: [REG2.065a] Hex float exponents should be decimal
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: accepts-invalid, wrong-code
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: jiki red.email.ne.jp



Dmd has been changed to accept hex float exponent by hexadecimal (and 'F'
suffix, too).
This is a regression.

In the spec:
  HexExponent:
    HexExponentStart DecimalDigitsNoSingleUS

This regression is introduced by Pull 2923.
https://github.com/D-Programming-Language/dmd/pull/2923
"redo lexing of float literals"

Its comment:
Shouldn't be any behavior changes.

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next sibling parent d-bugmail puremagic.com writes:
https://d.puremagic.com/issues/show_bug.cgi?id=11751


Walter Bright <bugzilla digitalmars.com> changed:

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



11:09:27 PST ---
Can you give an example?

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prev sibling next sibling parent d-bugmail puremagic.com writes:
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 Can you give an example?


auto x = 0x1.FFFFFFFFFFFFFpABC;
                        // ^^^

With 2.064.2:
test.d(1): Error: exponent expected
test.d(1): Error: semicolon expected following auto declaration, not 'BC'
test.d(1): Error: no identifier for declarator BC

With git head:
(no compilation error)

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prev sibling next sibling parent d-bugmail puremagic.com writes:
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Kenji Hara <k.hara.pg gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |pull



https://github.com/D-Programming-Language/dmd/pull/2978

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prev sibling next sibling parent d-bugmail puremagic.com writes:
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Commits pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/4d4e67455efb4728ba8f9181adc5e4f10fc90fd8
fix Issue 11751 - Hex float exponents should be decimal

https://github.com/D-Programming-Language/dmd/commit/00e4068b327323aff2b459ec598eeae21622b70f


[REG2.065a] Issue 11751 - Hex float exponents should be decimal

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prev sibling parent d-bugmail puremagic.com writes:
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Kenji Hara <k.hara.pg gmail.com> changed:

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


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