#
#  mesonOptions.ctags --- multitable regex parser for meson_options files
#
#  Copyright (c) 2021 Masatake YAMATO
#  Copyright (c) 2021 Red Hat, Inc.
#
#  This source code is released for free distribution under the terms of the
#  GNU General Public License version 2 or (at your option) any later version.
#
#  This parser is one of testbed of optscript.
#
# References:
#
# - https://mesonbuild.com/Build-options.html
#
# TODO:
#
# - capture choice items
#
--langdef=MesonOptions
--map-MesonOptions=+(meson_options.txt)

--kinddef-MesonOptions=s,string,strings
--kinddef-MesonOptions=b,boolean,booleans
--kinddef-MesonOptions=c,combo,combos
--kinddef-MesonOptions=i,integer,integers
--kinddef-MesonOptions=a,array,arrays
--kinddef-MesonOptions=f,feature,features

--mline-regex-MesonOptions=/^option[ \t\n]*\([ \t\n]*'([^']*[^\\])'[ \t\n]*,[ \t\n]*type[ \t\n]*:[ \t\n]*'([a-z]+)'//{{
    % \1 points a tag name.
    \1
    % \2 may point a kind. This must be converted to a name from a string.
    \2 cvn
    % Push the start position of the group 1.
    1 /start _matchloc
    % To skip an unexpected kind name, _tag is wrapped with stopped.
    { _tag } stopped {
        % Unexpected kind. Clear the stack.
        pop pop pop
    } {
        _commit pop
    } ifelse
}}