[jira] Updated: (LUCY-15) Boilerplater::Type::VAList

["Marvin Humphrey (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCY-15?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marvin Humphrey updated LUCY-15:
--------------------------------

    Attachment: VAList.pm
                106-va_list_type.t
                parser_add_va_list_support.diff

So far, I've only got one use for the va_list type -- but when you need it, you
really need it.

{noformat}
    /** Concatenate formatted arguments.  Similar to the printf family, but
     * only accepts minimal options (just enough for decent error messages).
     *
     * Objects:  %o
     * char*:    %s
     * integers: %i8 %i32 %i64 %u8 %u32 %u64
     * floats:   %f64
     * hex:      %x32 
     * 
     * Note that all Lucy Objects, including CharBufs, are printed via
     * %o (which invokes To_String()). 
     */
    void
    VCatF(CharBuf *self, const char *pattern, va_list args);

    /** Invokes CB_VCatF to concatenate formatted arguments.  Note that this
     * is only a function and not a method.
     */
    inert void
    catf(CharBuf *self, const char *pattern, ...);

    /** Replaces the contents of the CharBuf using formatted arguments.
     */
    inert void
    setf(CharBuf *self, const char *pattern, ...);
{noformat}

> Boilerplater::Type::VAList
> --------------------------
>
>                 Key: LUCY-15
>                 URL: https://issues.apache.org/jira/browse/LUCY-15
>             Project: Lucy
>          Issue Type: Sub-task
>          Components: Boilerplater
>            Reporter: Marvin Humphrey
>            Assignee: Marvin Humphrey
>         Attachments: 106-va_list_type.t, parser_add_va_list_support.diff, VAList.pm
>
>
> Add support for the va_list type from stdarg.h.

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