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https://gitlab.gnome.org/GNOME/glib.git
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49eacae2a3
Tue Oct 10 12:06:08 2006 Tim Janik <timj@gtk.org>
* glib-mkenums.in:
* glib-mkenums.1: applied patch from David Necas which introduces
an underscore_name option and fixes #358734.
167 lines
5.0 KiB
Groff
167 lines
5.0 KiB
Groff
.TH GLIB-MKENUMS 1 "27 Jul 2002"
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.SH NAME
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glib-mkenums \- C language enum description generation utility
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.SH SYNOPSIS
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\fBglib-mkenums\fP [\fIoptions\fP] [\fIfiles...\fP]
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.SH DESCRIPTION
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\fBglib-mkenums\fP is a small perl-script utility that parses C code to extract enum
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definitions and produces enum descriptions based on text templates specified
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by the user. Most frequently this script is used to produce C code that contains
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enum values as strings so programs can provide value name strings for introspection.
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.SH INVOCATION
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\fBglib-mkenums\fP takes a list of valid C code files as input. The options
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specified control the text that is output, certain substitutions are performed
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on the text templates for keywords enclosed in @ characters.
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.SS Options
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.TP
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\fI--fhead <text>
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Put out <text> prior to processing input files.
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.TP
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\fI--fprod <text>
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Put out <text> everytime a new input file is being processed.
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.TP
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\fI--ftail <text>
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Put out <text> after all input files have been processed.
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.TP
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\fI--eprod <text>
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Put out <text> everytime an enum is encountered in the input files.
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.TP
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\fI--vhead <text>
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Put out <text> before iterating over the set of values of an enum.
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.TP
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\fI--vprod <text>
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Put out <text> for every value of an enum.
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.TP
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\fI--vtail <text>
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Put out <text> after iterating over all values of an enum.
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.TP
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\fI--comments <text>
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Template for auto-generated comments, the default (for C code generations) is
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"/* @comment@ */".
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.TP
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\fI--template file
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Read templates from the given file. The templates are enclosed in
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specially-formatted C comments
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.PP
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.RS
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.nf
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/*** BEGIN section ***/
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/*** END section ***/
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.fi
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.PP
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where section may be file-header, file-production, file-tail,
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enumeration-production, value-header, value-production, value-tail or
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comment.
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.TP
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\fI-h, --help\fP
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Print brief help and exit.
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.TP
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\fI-v, --version\fP
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Print version and exit.
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.PP
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.SS Production text substitutions
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Certain keywords enclosed in @ characters will be substituted in the outputted
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text. For the substitution examples of the keywords below, the following example
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enum definition is assumed:
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.PP
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.RS
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.nf
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typedef enum
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{
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PREFIX_THE_XVALUE = 1 << 3,
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PREFIX_ANOTHER_VALUE = 1 << 4
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} PrefixTheXEnum;
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.fi
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.RE
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.TP 12
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\fI@EnumName@
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The name of the enum currently being processed, enum names are assumed to be
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properly namespaced and to use mixed capitalization to separate
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words (e.g. PrefixTheXEnum).
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.TP 12
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\fI@enum_name@
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The enum name with words lowercase and word-separated by underscores (e.g. prefix_the_xenum).
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.TP 12
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\fI@ENUMNAME@
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The enum name with words uppercase and word-separated by underscores (e.g. PREFIX_THE_XENUM).
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.TP 12
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\fI@ENUMSHORT@
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The enum name with words uppercase and word-separated by underscores, prefix stripped (e.g. THE_XENUM).
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.TP 12
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\fI@VALUENAME@
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The enum value name currently being processed with words uppercase and word-separated by underscores,
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this is the assumed literal notation of enum values in the C sources (e.g. PREFIX_THE_XVALUE).
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.TP 12
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\fI@valuenick@
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A nick name for the enum value currently being processed, this is usually generated by stripping
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common prefix words of all the enum values of the current enum, the words are lowercase and
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underscores are substituted by a minus (e.g. the-xvalue).
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.TP 12
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\fI@type@
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This is substituted either by "enum" or "flags", depending on whether the enum value definitions
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contained bit-shift operators or not (e.g. flags).
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.TP 12
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\fI@Type@
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The same as \fI@type@\fP with the first letter capitalized (e.g. Flags).
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.TP 12
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\fI@TYPE@
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The same as \fI@type@\fP with all letters uppercased (e.g. FLAGS).
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.TP 12
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\fI@filename@
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The name of the input file currently being processed (e.g. foo.h).
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.SS Trigraph extensions
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Some C comments are treated specially in the parsed enum definitions, such comments
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start out with the trigraph sequence "/*<" and end with the trigraph sequence ">*/".
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.PP
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Per enum definition, the options "skip" and "flags" can be specified, to indicate
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this enum definition to be skipped, or for it to be treated as a flags definition, or
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to specify the common prefix to be stripped from all values to generate value nicknames,
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respectively. The "underscore_name" option can be used to specify the underscorized name
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variant used in the *_get_type() function and *_TYPE_* macro. For instance,
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/*< underscore_name=gnome_vfs_uri_hide_options >*/.
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.PP
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Per value definition, the options "skip" and "nick" are supported. The former causes the
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value to be skipped, and the latter can be used to specify the otherwise auto-generated
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nickname.
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Examples:
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.PP
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.RS
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.nf
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typedef enum /*< skip >*/
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{
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PREFIX_FOO
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} PrefixThisEnumWillBeSkipped;
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typedef enum /*< flags,prefix=PREFIX >*/
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{
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PREFIX_THE_ZEROTH_VALUE, /*< skip >*/
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PREFIX_THE_FIRST_VALUE,
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PREFIX_THE_SECOND_VALUE,
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PREFIX_THE_THIRD_VALUE, /*< nick=the-last-value >*/
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} PrefixTheFlagsEnum;
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.fi
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.RE
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.SH SEE ALSO
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\fB
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glib-genmarshal(1)
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\fP
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.SH BUGS
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None known yet.
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.SH AUTHOR
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.B glib-mkenums
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was written by Tim Janik <timj@gtk.org> and Owen Taylor <otaylor@redhat.com>.
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.PP
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This manual page was provided by Tim Janik <timj@gtk.org>.
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