### subv.kak - Semantic Highlighting for SubV

# Detection
hook global BufCreate .*[.](subv) %{
    set-option buffer filetype subv
}

# Highlighters
add-highlighter shared/subv regions
add-highlighter shared/subv/comment       region '#' '$' fill comment
add-highlighter shared/subv/code          default-region group
add-highlighter shared/subv/code/segment  regex '^\s+(== [^\n ]+( 0x[\da-z]+)?)' 1:builtin
add-highlighter shared/subv/code/label    regex '^([^ \n]+:)' 1:variable
add-highlighter shared/subv/code/partnum  regex '\b(-?[\da-f]+|([^/ \n]+))/([^/ \n]+)(/([^/ \n]+))?\b' 5:+d 1:value 2:variable 3:meta
add-highlighter shared/subv/code/opcode   regex '^\s+([\da-f]{2})/(\w+)' 0:+b@keyword
add-highlighter shared/subv/code/special  regex '^\s+(@@)/(\w+)' 0:+b@operator

# Initialization
hook -group subv-highlight global WinSetOption filetype=subv %{
    add-highlighter window/subv ref subv

    hook -once -always window WinSetOption filetype=.* %{
        remove-highlighter window/subv
    }

    set-option buffer comment_line '# '
    set-option buffer tabstop 2
    set-option buffer indentwidth 2
}