#compdef include-what-you-use iwyu

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# ------------------------------------------------------------------------------
# Description
# -----------
#
#  Completion script for include-what-you-use 0.19 (https://github.com/include-what-you-use/include-what-you-use).
#
# ------------------------------------------------------------------------------

# TODO:
# - prevent _iwyu_opts from running once the first clang option got passed

_iwyu_opts() {
  _arguments \
    '--check_also=[print iwyu-violation info for files matching the given glob pattern]:glob pattern:' \
    '--keep=[tells iwyu to always keep these includes]:glob pattern' \
    '*'"--mapping_file=[iwyu mapping file]:iwyu mapping file:_path_files -g '*(/) *.imp'" \
    "--no_default_mappings[do not add iwyu's default mappings]" \
    '--pch_in_code[mark the first include in a translation unit as a precompiled header]' \
    '--prefix_header_includes=[what to do with command line includes]:command line include treatment:(add keep remove)' \
    "--transitive_includes_only[do not suggest that a file add headers that aren't already visible]" \
    '--max_line_length=[maximum line length for includes]:a number:' \
    '--comment_style=[set verbosity of "why" comments to]:comment style:(none short long)' \
    '--no_comments[do not add "why" comments]' \
    '--no_fwd_decls[do not use forward declarations]' \
    '--verbose=[the higher the level, the more output]:a number:' \
    '--quoted_includes_first[when sorting includes, place quoted ones first]' \
    '--cxx17ns[suggests the more concise syntax introduced in C++17]' \
    '--error=-[exit with N(default: 1) for iwyu violations]::exit code' \
    '--error_always=-[always exit with N (default: 1)]::exit code' \
    '--debug=[debug flags]:flag' \
    '--regex=[use specified regex dialect in iwyu]:dialect:(llvm ecmascript)' \
    '*: :_files'
}

_alternative \
  'iwyu:iwyu_option:_iwyu_opts' \
  'gcc:gcc_option:_gcc' \

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