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- # -*- mode: sh; sh-indentation: 4; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
- # Copyright (c) 2018 Sebastian Gniazdowski
- #
- # Chroma for `source' builtin - verifies if file to be sourced compiles
- # correctly.
- #
- # $1 - 0 or 1, denoting if it's first call to the chroma, or following one
- #
- # $2 - the current token, also accessible by $__arg from the above scope -
- # basically a private copy of $__arg; the token can be eg.: "grep"
- #
- # $3 - a private copy of $_start_pos, i.e. the position of the token in the
- # command line buffer, used to add region_highlight entry (see man),
- # because Zsh colorizes by *ranges* in command line buffer
- #
- # $4 - a private copy of $_end_pos from the above scope
- #
-
- (( next_word = 2 | 8192 ))
-
- local __first_call="$1" __wrd="$2" __start_pos="$3" __end_pos="$4"
- local __style __chars __home=${XDG_CACHE_HOME:-$HOME/.cache}/fsh
- integer __idx1 __idx2
-
- # First call, i.e. command starts, i.e. "grep" token etc.
- (( __first_call )) && {
- FAST_HIGHLIGHT[chroma-src-counter]=0
- __style=${FAST_THEME_NAME}builtin
-
- } || {
- # Following call, i.e. not the first one.
-
- # Check if chroma should end – test if token is of type
- # "starts new command", if so pass-through – chroma ends
- [[ "$__arg_type" = 3 ]] && return 2
-
- if (( in_redirection > 0 || this_word & 128 )) || [[ $__wrd == "<<<" ]]; then
- return 1
- fi
-
- if [[ "$__wrd" = -* ]]; then
- # Detected option, add style for it.
- [[ "$__wrd" = --* ]] && __style=${FAST_THEME_NAME}double-hyphen-option || \
- __style=${FAST_THEME_NAME}single-hyphen-option
- else
- # Count non-option tokens.
- (( FAST_HIGHLIGHT[chroma-src-counter] += 1, __idx1 = FAST_HIGHLIGHT[chroma-src-counter] ))
-
- if (( FAST_HIGHLIGHT[chroma-src-counter] == 1 )); then
- command mkdir -p "$__home"
- command cp -f "${__wrd}" "$__home" 2>/dev/null && {
- zcompile "$__home"/"${__wrd:t}" 2>/dev/null 1>&2 && __style=${FAST_THEME_NAME}correct-subtle || __style=${FAST_THEME_NAME}incorrect-subtle
- }
- elif (( FAST_HIGHLIGHT[chroma-src-counter] == 2 )); then
- # Handle paths, etc. normally - just pass-through to the big
- # highlighter (the main FSH highlighter, used before chromas).
- return 1
- fi
- fi
- }
-
- # Add region_highlight entry (via `reply' array).
- #
- # This is a common place of adding such entry, but any above
- # code can do it itself (and it does) and skip setting __style
- # to disable this code.
- [[ -n "$__style" ]] && (( __start=__start_pos-${#PREBUFFER}, __end=__end_pos-${#PREBUFFER}, __start >= 0 )) && reply+=("$__start $__end ${FAST_HIGHLIGHT_STYLES[$__style]}")
-
- # We aren't passing-through (no return 1 occured), do obligatory things ourselves.
- (( this_word = next_word ))
- _start_pos=$_end_pos
-
- return 0
-
- # vim:ft=zsh:et:sw=4
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