Vim command for displaying rule path

scss-show-rule-path.vim

"""
" USAGE: 
"
"  1. Place the cursor in the rule that you want to look up
"  2. :SCSSShowRulePath
"""
command! ScssShowRulePath :call ScssRulePath()

function! ScssRulePath()
    let start_line_num = 0
    let curr_line_num = line(".")
    let last_line_num = line("$")
    let running_line_num = start_line_num
    let path_parts = []

    while running_line_num < last_line_num
        let line_content = getline(running_line_num)

        if(match(getline(running_line_num), "{") > -1)
            let line_content = substitute(line_content, "{", "", "")
            let line_content = Trim(line_content)
            call add(path_parts, line_content)
        endif

        if(running_line_num == curr_line_num)
            break
        endif

        if(match(getline(running_line_num), "}") > -1)
            if(len(path_parts) > 0)
                call remove(path_parts, len(path_parts) - 1)
            endif
        endif

        let running_line_num = running_line_num + 1
    endwhile

    echo join(path_parts, " ▶ ")
endfunc