mirror of
https://github.com/neovim/neovim.git
synced 2024-12-19 18:55:14 -07:00
833 lines
26 KiB
VimL
833 lines
26 KiB
VimL
if exists('g:loaded_msgpack_autoload')
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finish
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endif
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let g:loaded_msgpack_autoload = 1
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""
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" Check that given value is an integer. Respects |msgpack-special-dict|.
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function msgpack#is_int(v) abort
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return type(a:v) == type(0) || (
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\type(a:v) == type({}) && get(a:v, '_TYPE') is# v:msgpack_types.integer)
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endfunction
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""
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" Check that given value is an unsigned integer. Respects
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" |msgpack-special-dict|.
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function msgpack#is_uint(v) abort
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return msgpack#is_int(a:v) && (type(a:v) == type(0)
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\? a:v >= 0
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\: a:v._VAL[0] > 0)
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endfunction
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""
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" True if s:msgpack_init_python() function was already run.
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let s:msgpack_python_initialized = 0
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""
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" Cached return of s:msgpack_init_python() used when
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" s:msgpack_python_initialized is true.
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let s:msgpack_python_type = 0
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""
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" Create Python functions that are necessary for work. Also defines functions
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" s:msgpack_dict_strftime(format, timestamp) and s:msgpack_dict_strptime(format,
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" string).
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"
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" @return Zero in case no Python is available, empty string if Python-2 is
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" available and string `"3"` if Python-3 is available.
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function s:msgpack_init_python() abort
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if s:msgpack_python_initialized
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return s:msgpack_python_type
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endif
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let s:msgpack_python_initialized = 1
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for suf in (has('win32') ? ['3'] : ['', '3'])
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try
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execute 'python' . suf
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\. "\n"
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\. "def shada_dict_strftime():\n"
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\. " import datetime\n"
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\. " import vim\n"
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\. " fmt = vim.eval('a:format')\n"
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\. " timestamp = vim.eval('a:timestamp')\n"
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\. " timestamp = [int(v) for v in timestamp['_VAL']]\n"
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\. " timestamp = timestamp[0] * (timestamp[1] << 62\n"
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\. " | timestamp[2] << 31\n"
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\. " | timestamp[3])\n"
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\. " time = datetime.datetime.fromtimestamp(timestamp)\n"
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\. " return time.strftime(fmt)\n"
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\. "def shada_dict_strptime():\n"
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\. " import calendar\n"
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\. " import datetime\n"
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\. " import vim\n"
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\. " fmt = vim.eval('a:format')\n"
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\. " timestr = vim.eval('a:string')\n"
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\. " timestamp = datetime.datetime.strptime(timestr, fmt)\n"
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\. " try:\n"
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\. " timestamp = int(timestamp.timestamp())\n"
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\. " except:\n"
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\. " try:\n"
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\. " timestamp = int(timestamp.strftime('%s'))\n"
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\. " except:\n"
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\. " timestamp = calendar.timegm(timestamp.utctimetuple())\n"
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\. " if timestamp > 2 ** 31:\n"
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\. " tsabs = abs(timestamp)\n"
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\. " return ('{\"_TYPE\": v:msgpack_types.integer,'\n"
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\. " + '\"_VAL\": [{sign},{v1},{v2},{v3}]}').format(\n"
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\. " sign=(1 if timestamp >= 0 else -1),\n"
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\. " v1=((tsabs >> 62) & 0x3),\n"
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\. " v2=((tsabs >> 31) & (2 ** 31 - 1)),\n"
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\. " v3=(tsabs & (2 ** 31 - 1)))\n"
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\. " else:\n"
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\. " return str(timestamp)\n"
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execute "function s:msgpack_dict_strftime(format, timestamp) abort\n"
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\. " return py" . suf . "eval('shada_dict_strftime()')\n"
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\. "endfunction\n"
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\. "function s:msgpack_dict_strptime(format, string)\n"
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\. " return eval(py" . suf . "eval('shada_dict_strptime()'))\n"
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\. "endfunction\n"
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let s:msgpack_python_type = suf
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return suf
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catch
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continue
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endtry
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endfor
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""
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" strftime() function for |msgpack-special-dict| values.
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"
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" @param[in] format String according to which time should be formatted.
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" @param[in] timestamp Timestamp (seconds since epoch) to format.
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"
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" @return Formatted timestamp.
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"
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" @warning Without +python or +python3 this function does not work correctly.
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" The Vimscript code contains “reference” implementation which does
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" not really work because of precision loss.
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function s:msgpack_dict_strftime(format, timestamp)
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return msgpack#strftime(a:format, +msgpack#int_dict_to_str(a:timestamp))
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endfunction
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""
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" Function that parses given string according to given format.
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"
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" @param[in] format String according to which string was formatted.
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" @param[in] string Time formatted according to format.
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"
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" @return Timestamp.
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"
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" @warning Without +python or +python3 this function is able to work only with
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" 31-bit (32-bit signed) timestamps that have format
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" `%Y-%m-%dT%H:%M:%S`.
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function s:msgpack_dict_strptime(format, string)
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let fmt = '%Y-%m-%dT%H:%M:%S'
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if a:format isnot# fmt
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throw 'notimplemented-format:Only ' . fmt . ' format is supported'
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endif
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let match = matchlist(a:string,
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\'\v\C^(\d+)\-(\d+)\-(\d+)T(\d+)\:(\d+)\:(\d+)$')
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if empty(match)
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throw 'invalid-string:Given string does not match format ' . a:format
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endif
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call map(match, 'str2nr(v:val, 10)')
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let [year, month, day, hour, minute, second] = match[1:6]
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" Bisection start and end:
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"
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" Start: 365 days in year, 28 days in month, -12 hours tz offset.
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let bisect_ts_start = (((((year - 1970) * 365
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\+ (month - 1) * 28
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\+ (day - 1)) * 24
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\+ hour - 12) * 60
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\+ minute) * 60
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\+ second)
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if bisect_ts_start < 0
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let bisect_ts_start = 0
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endif
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let start_string = strftime(fmt, bisect_ts_start)
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if start_string is# a:string
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return bisect_ts_start
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endif
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" End: 366 days in year, 31 day in month, +14 hours tz offset.
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let bisect_ts_end = (((((year - 1970) * 366
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\+ (month - 1) * 31
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\+ (day - 1)) * 24
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\+ hour + 14) * 60
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\+ minute) * 60
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\+ second)
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let end_string = strftime(fmt, bisect_ts_end)
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if end_string is# a:string
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return bisect_ts_end
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endif
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if start_string ># end_string
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throw 'internal-start-gt:Internal error: start > end'
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endif
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if start_string is# end_string
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throw printf('internal-start-eq:Internal error: '
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\. 'start(%u)==end(%u), but start(%s)!=string(%s)',
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\bisect_ts_start, bisect_ts_end,
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\string(start_string), string(a:string))
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endif
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if start_string ># a:string
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throw 'internal-start-string:Internal error: start > string'
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endif
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if end_string <# a:string
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throw 'internal-end-string:Internal error: end < string'
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endif
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while 1
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let bisect_ts_middle = (bisect_ts_start/2) + (bisect_ts_end/2)
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let middle_string = strftime(fmt, bisect_ts_middle)
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if a:string is# middle_string
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return bisect_ts_middle
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elseif a:string ># middle_string
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if bisect_ts_middle == bisect_ts_start
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let bisect_ts_start += 1
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else
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let bisect_ts_start = bisect_ts_middle
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endif
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else
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if bisect_ts_middle == bisect_ts_end
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let bisect_ts_end -= 1
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else
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let bisect_ts_end = bisect_ts_middle
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endif
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endif
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if bisect_ts_start >= bisect_ts_end
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throw 'not-found:Unable to find timestamp'
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endif
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endwhile
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endfunction
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return 0
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endfunction
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""
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" Wrapper for strftime() that respects |msgpack-special-dict|. May actually use
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" non-standard strftime() implementations for |msgpack-special-dict| values.
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"
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" @param[in] format Format string.
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" @param[in] timestamp Formatted timestamp.
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function msgpack#strftime(format, timestamp) abort
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if type(a:timestamp) == type({})
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call s:msgpack_init_python()
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return s:msgpack_dict_strftime(a:format, a:timestamp)
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else
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return strftime(a:format, a:timestamp)
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endif
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endfunction
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""
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" Parse string according to the format.
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"
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" Requires +python available. If it is not then only supported format is
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" `%Y-%m-%dT%H:%M:%S` because this is the format used by ShaDa plugin. Also in
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" this case bisection will be used (timestamps tried with strftime() up until
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" result matches the string) and only 31-bit (signed 32-bit: with negative
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" timestamps being useless this leaves 31 bits) timestamps will be supported.
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"
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" @param[in] format Time format.
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" @param[in] string Parsed time string. Must match given format.
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"
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" @return Timestamp. Possibly as |msgpack-special-dict|.
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function msgpack#strptime(format, string) abort
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call s:msgpack_init_python()
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return s:msgpack_dict_strptime(a:format, a:string)
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endfunction
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let s:MSGPACK_HIGHEST_BIT = 1
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let s:MSGPACK_HIGHEST_BIT_NR = 0
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while s:MSGPACK_HIGHEST_BIT * 2 > 0
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let s:MSGPACK_HIGHEST_BIT = s:MSGPACK_HIGHEST_BIT * 2
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let s:MSGPACK_HIGHEST_BIT_NR += 1
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endwhile
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""
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" Shift given number by given amount of bits
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function s:shift(n, s) abort
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if a:s == 0
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return a:n
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elseif a:s < 0
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let ret = a:n
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for _ in range(-a:s)
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let ret = ret / 2
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endfor
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return ret
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else
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let ret = a:n
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for i in range(a:s)
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let new_ret = ret * 2
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if new_ret < ret
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" Overflow: remove highest bit
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let ret = xor(s:MSGPACK_HIGHEST_BIT, ret) * 2
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endif
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let ret = new_ret
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endfor
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return ret
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endif
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endfunction
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let s:msgpack_mask_cache = {
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\s:MSGPACK_HIGHEST_BIT_NR : s:MSGPACK_HIGHEST_BIT - 1}
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""
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" Apply a mask where first m bits are ones and other are zeroes to a given
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" number
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function s:mask1(n, m) abort
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if a:m > s:MSGPACK_HIGHEST_BIT_NR + 1
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let m = s:MSGPACK_HIGHEST_BIT_NR + 1
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else
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let m = a:m
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endif
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if !has_key(s:msgpack_mask_cache, m)
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let p = 0
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for _ in range(m)
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let p = p * 2 + 1
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endfor
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let s:msgpack_mask_cache[m] = p
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endif
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return and(a:n, s:msgpack_mask_cache[m])
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endfunction
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""
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" Convert |msgpack-special-dict| that represents integer value to a string. Uses
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" hexadecimal representation starting with 0x because it is the easiest to
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" convert to.
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function msgpack#int_dict_to_str(v) abort
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let v = a:v._VAL
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" 64-bit number:
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" 0000000001111111111222222222233333333334444444444555555555566666
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" 1234567890123456789012345678901234567890123456789012345678901234
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" Split in _VAL:
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" 0000000001111111111222222222233 3333333344444444445555555555666 66
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" 1234567890123456789012345678901 2345678901234567890123456789012 34
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" Split by hex digits:
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" 0000 0000 0111 1111 1112 2222 2222 2333 3333 3334 4444 4444 4555 5555 5556 6666
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" 1234 5678 9012 3456 7890 1234 5678 9012 3456 7890 1234 5678 9012 3456 7890 1234
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"
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" Total split:
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" _VAL[3] _VAL[2] _VAL[1]
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" ______________________________________ _______________________________________ __
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" 0000 0000 0111 1111 1112 2222 2222 233 3 3333 3334 4444 4444 4555 5555 5556 66 66
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" 1234 5678 9012 3456 7890 1234 5678 901 2 3456 7890 1234 5678 9012 3456 7890 12 34
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" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^
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" g4 g3 g2 g1
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" ********************************** *** * ********************************** ** **
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" 1 2 3 4 5 6
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" 1: s:mask1(v[3], 28): first 28 bits of _VAL[3]
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" 2: s:shift(v[3], -28): last 3 bits of _VAL[3]
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" 3: s:mask1(v[2], 1): first bit of _VAL[2]
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" 4: s:mask1(s:shift(v[2], -1), 28): bits 2 .. 29 of _VAL[2]
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" 5: s:shift(v[2], -29): last 2 bits of _VAL[2]
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" 6: s:shift(v[1], 2): _VAL[1]
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let g4 = printf('%07x', s:mask1(v[3], 28))
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let g3 = printf('%01x', or(s:shift(v[3], -28), s:shift(s:mask1(v[2], 1), 3)))
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let g2 = printf('%07x', s:mask1(s:shift(v[2], -1), 28))
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let g1 = printf('%01x', or(s:shift(v[2], -29), s:shift(v[1], 2)))
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return ((v[0] < 0 ? '-' : '') . '0x' . g1 . g2 . g3 . g4)
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endfunction
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""
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" True boolean value.
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let g:msgpack#true = {'_TYPE': v:msgpack_types.boolean, '_VAL': 1}
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lockvar! g:msgpack#true
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""
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" False boolean value.
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let g:msgpack#false = {'_TYPE': v:msgpack_types.boolean, '_VAL': 0}
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lockvar! g:msgpack#false
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""
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" NIL value.
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let g:msgpack#nil = {'_TYPE': v:msgpack_types.nil, '_VAL': 0}
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lockvar! g:msgpack#nil
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""
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" Deduce type of |msgpack-special-dict|.
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"
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" @return zero if given dictionary is not special or name of the key in
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" v:msgpack_types dictionary.
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function msgpack#special_type(v) abort
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if type(a:v) != type({}) || !has_key(a:v, '_TYPE')
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return 0
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endif
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for [k, v] in items(v:msgpack_types)
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if a:v._TYPE is v
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return k
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endif
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endfor
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return 0
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endfunction
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""
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" Mapping that maps type() output to type names.
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let s:MSGPACK_STANDARD_TYPES = {
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\type(0): 'integer',
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\type(0.0): 'float',
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\type(''): 'binary',
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\type([]): 'array',
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\type({}): 'map',
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\type(v:true): 'boolean',
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\type(v:null): 'nil',
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\}
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""
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" Deduce type of one of items returned by msgpackparse().
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"
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" @return Name of a key in v:msgpack_types.
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function msgpack#type(v) abort
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let special_type = msgpack#special_type(a:v)
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if special_type is 0
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return s:MSGPACK_STANDARD_TYPES[type(a:v)]
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endif
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return special_type
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endfunction
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""
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" Dump nil value.
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function s:msgpack_dump_nil(v) abort
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return 'NIL'
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endfunction
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""
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" Dump boolean value.
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function s:msgpack_dump_boolean(v) abort
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return (a:v is v:true || (a:v isnot v:false && a:v._VAL)) ? 'TRUE' : 'FALSE'
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endfunction
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""
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" Dump integer msgpack value.
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function s:msgpack_dump_integer(v) abort
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if type(a:v) == type({})
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return msgpack#int_dict_to_str(a:v)
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else
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return string(a:v)
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endif
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endfunction
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""
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" Dump floating-point value.
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function s:msgpack_dump_float(v) abort
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return substitute(string(type(a:v) == type({}) ? a:v._VAL : a:v),
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\'\V\^\(-\)\?str2float(''\(inf\|nan\)'')\$', '\1\2', '')
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endfunction
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""
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" Dump |msgpack-special-dict| that represents a string. If any additional
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" parameter is given then it dumps binary string.
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function s:msgpack_dump_string(v, ...) abort
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let ret = [a:0 ? '"' : '="']
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for v in a:v._VAL
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call add(
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\ret,
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\substitute(
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\substitute(v, '["\\]', '\\\0', 'g'),
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\'\n', '\\0', 'g'))
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call add(ret, '\n')
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endfor
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let ret[-1] = '"'
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return join(ret, '')
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|
endfunction
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|
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""
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|
" Dump binary string.
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|
function s:msgpack_dump_binary(v) abort
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if type(a:v) == type({})
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return s:msgpack_dump_string(a:v, 1)
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else
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return s:msgpack_dump_string({'_VAL': split(a:v, "\n", 1)}, 1)
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endif
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endfunction
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""
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|
" Dump array value.
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function s:msgpack_dump_array(v) abort
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let val = type(a:v) == type({}) ? a:v._VAL : a:v
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return '[' . join(map(val[:], 'msgpack#string(v:val)'), ', ') . ']'
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endfunction
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|
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""
|
|
" Dump dictionary value.
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|
function s:msgpack_dump_map(v) abort
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let ret = ['{']
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if msgpack#special_type(a:v) is 0
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|
for [k, v] in items(a:v)
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let ret += [s:msgpack_dump_string({'_VAL': split(k, "\n", 1)}),
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\': ',
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\msgpack#string(v),
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\', ']
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unlet v
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endfor
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if !empty(a:v)
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call remove(ret, -1)
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endif
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|
else
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|
for [k, v] in sort(copy(a:v._VAL))
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|
let ret += [msgpack#string(k),
|
|
\': ',
|
|
\msgpack#string(v),
|
|
\', ']
|
|
unlet k
|
|
unlet v
|
|
endfor
|
|
if !empty(a:v._VAL)
|
|
call remove(ret, -1)
|
|
endif
|
|
endif
|
|
let ret += ['}']
|
|
return join(ret, '')
|
|
endfunction
|
|
|
|
""
|
|
" Dump extension value.
|
|
function s:msgpack_dump_ext(v) abort
|
|
return printf('+(%i)%s', a:v._VAL[0],
|
|
\s:msgpack_dump_string({'_VAL': a:v._VAL[1]}, 1))
|
|
endfunction
|
|
|
|
""
|
|
" Convert msgpack object to a string, like string() function does. Result of the
|
|
" conversion may be passed to msgpack#eval().
|
|
function msgpack#string(v) abort
|
|
if type(a:v) == type({})
|
|
let type = msgpack#special_type(a:v)
|
|
if type is 0
|
|
let type = 'map'
|
|
endif
|
|
else
|
|
let type = get(s:MSGPACK_STANDARD_TYPES, type(a:v), 0)
|
|
if type is 0
|
|
throw printf('msgpack:invtype: Unable to convert value %s', string(a:v))
|
|
endif
|
|
endif
|
|
return s:msgpack_dump_{type}(a:v)
|
|
endfunction
|
|
|
|
""
|
|
" Copy msgpack object like deepcopy() does, but leave types intact
|
|
function msgpack#deepcopy(obj) abort
|
|
if type(a:obj) == type([])
|
|
return map(copy(a:obj), 'msgpack#deepcopy(v:val)')
|
|
elseif type(a:obj) == type({})
|
|
let special_type = msgpack#special_type(a:obj)
|
|
if special_type is 0
|
|
return map(copy(a:obj), 'msgpack#deepcopy(v:val)')
|
|
else
|
|
return {
|
|
\'_TYPE': v:msgpack_types[special_type],
|
|
\'_VAL': msgpack#deepcopy(a:obj._VAL)
|
|
\}
|
|
endif
|
|
else
|
|
return copy(a:obj)
|
|
endif
|
|
endfunction
|
|
|
|
""
|
|
" Convert an escaped character to needed value
|
|
function s:msgpack_eval_str_sub(ch) abort
|
|
if a:ch is# 'n'
|
|
return '", "'
|
|
elseif a:ch is# '0'
|
|
return '\n'
|
|
else
|
|
return '\' . a:ch
|
|
endif
|
|
endfunction
|
|
|
|
let s:MSGPACK_SPECIAL_OBJECTS = {
|
|
\'NIL': '{''_TYPE'': v:msgpack_types.nil, ''_VAL'': 0}',
|
|
\'TRUE': '{''_TYPE'': v:msgpack_types.boolean, ''_VAL'': 1}',
|
|
\'FALSE': '{''_TYPE'': v:msgpack_types.boolean, ''_VAL'': 0}',
|
|
\'nan': '(-(1.0/0.0-1.0/0.0))',
|
|
\'inf': '(1.0/0.0)',
|
|
\}
|
|
|
|
""
|
|
" Convert msgpack object dumped by msgpack#string() to a Vimscript object
|
|
" suitable for msgpackdump().
|
|
"
|
|
" @param[in] s String to evaluate.
|
|
" @param[in] special_objs Additional special objects, in the same format as
|
|
" s:MSGPACK_SPECIAL_OBJECTS.
|
|
"
|
|
" @return Any value that msgpackparse() may return.
|
|
function msgpack#eval(s, special_objs) abort
|
|
let s = a:s
|
|
let expr = []
|
|
let context = []
|
|
while !empty(s)
|
|
let s = substitute(s, '^\s*', '', '')
|
|
if s[0] =~# '\v^\h$'
|
|
let name = matchstr(s, '\v\C^\w+')
|
|
if has_key(s:MSGPACK_SPECIAL_OBJECTS, name)
|
|
call add(expr, s:MSGPACK_SPECIAL_OBJECTS[name])
|
|
elseif has_key(a:special_objs, name)
|
|
call add(expr, a:special_objs[name])
|
|
else
|
|
throw 'name-unknown:Unknown name ' . name . ': ' . s
|
|
endif
|
|
let s = s[len(name):]
|
|
elseif (s[0] is# '-' && s[1] =~# '\v^\d$') || s[0] =~# '\v^\d$'
|
|
let sign = 1
|
|
if s[0] is# '-'
|
|
let s = s[1:]
|
|
let sign = -1
|
|
endif
|
|
if s[0:1] is# '0x'
|
|
" See comment in msgpack#int_dict_to_str().
|
|
let s = s[2:]
|
|
let hexnum = matchstr(s, '\v\C^\x+')
|
|
if empty(hexnum)
|
|
throw '0x-empty:Must have number after 0x: ' . s
|
|
elseif len(hexnum) > 16
|
|
throw '0x-long:Must have at most 16 hex digits: ' . s
|
|
endif
|
|
let s = s[len(hexnum):]
|
|
let hexnum = repeat('0', 16 - len(hexnum)) . hexnum
|
|
let g1 = str2nr(hexnum[0], 16)
|
|
let g2 = str2nr(hexnum[1:7], 16)
|
|
let g3 = str2nr(hexnum[8], 16)
|
|
let g4 = str2nr(hexnum[9:15], 16)
|
|
let v1 = s:shift(g1, -2)
|
|
let v2 = or(or(s:shift(s:mask1(g1, 2), 29), s:shift(g2, 1)),
|
|
\s:mask1(s:shift(g3, -3), 1))
|
|
let v3 = or(s:shift(s:mask1(g3, 3), 28), g4)
|
|
call add(expr, printf('{''_TYPE'': v:msgpack_types.integer, '.
|
|
\'''_VAL'': [%i, %u, %u, %u]}',
|
|
\sign, v1, v2, v3))
|
|
else
|
|
let num = matchstr(s, '\v\C^\d+')
|
|
let s = s[len(num):]
|
|
if sign == -1
|
|
call add(expr, '-')
|
|
endif
|
|
call add(expr, num)
|
|
if s[0] is# '.'
|
|
let dec = matchstr(s, '\v\C^\.\d+%(e[+-]?\d+)?')
|
|
if empty(dec)
|
|
throw '0.-nodigits:Decimal dot must be followed by digit(s): ' . s
|
|
endif
|
|
let s = s[len(dec):]
|
|
call add(expr, dec)
|
|
endif
|
|
endif
|
|
elseif s =~# '\v^\-%(inf|nan)'
|
|
call add(expr, '-')
|
|
call add(expr, s:MSGPACK_SPECIAL_OBJECTS[s[1:3]])
|
|
let s = s[4:]
|
|
elseif stridx('="+', s[0]) != -1
|
|
let match = matchlist(s, '\v\C^(\=|\+\((\-?\d+)\)|)(\"%(\\.|[^\\"]+)*\")')
|
|
if empty(match)
|
|
throw '"-invalid:Invalid string: ' . s
|
|
endif
|
|
call add(expr, '{''_TYPE'': v:msgpack_types.')
|
|
if empty(match[1])
|
|
call add(expr, 'binary')
|
|
elseif match[1] is# '='
|
|
call add(expr, 'string')
|
|
else
|
|
call add(expr, 'ext')
|
|
endif
|
|
call add(expr, ', ''_VAL'': [')
|
|
if match[1][0] is# '+'
|
|
call add(expr, match[2] . ', [')
|
|
endif
|
|
call add(expr, substitute(match[3], '\v\C\\(.)',
|
|
\'\=s:msgpack_eval_str_sub(submatch(1))', 'g'))
|
|
if match[1][0] is# '+'
|
|
call add(expr, ']')
|
|
endif
|
|
call add(expr, ']}')
|
|
let s = s[len(match[0]):]
|
|
elseif s[0] is# '{'
|
|
call add(context, 'map')
|
|
call add(expr, '{''_TYPE'': v:msgpack_types.map, ''_VAL'': [')
|
|
call add(expr, '[')
|
|
let s = s[1:]
|
|
elseif s[0] is# '['
|
|
call add(context, 'array')
|
|
call add(expr, '[')
|
|
let s = s[1:]
|
|
elseif s[0] is# ':'
|
|
call add(expr, ',')
|
|
let s = s[1:]
|
|
elseif s[0] is# ','
|
|
if context[-1] is# 'array'
|
|
call add(expr, ',')
|
|
else
|
|
call add(expr, '], [')
|
|
endif
|
|
let s = s[1:]
|
|
elseif s[0] is# ']'
|
|
call remove(context, -1)
|
|
call add(expr, ']')
|
|
let s = s[1:]
|
|
elseif s[0] is# '}'
|
|
call remove(context, -1)
|
|
if expr[-1] is# "\x5B"
|
|
call remove(expr, -1)
|
|
else
|
|
call add(expr, ']')
|
|
endif
|
|
call add(expr, ']}')
|
|
let s = s[1:]
|
|
elseif s[0] is# ''''
|
|
let char = matchstr(s, '\v\C^\''\zs%(\\\d+|.)\ze\''')
|
|
if empty(char)
|
|
throw 'char-invalid:Invalid integer character literal format: ' . s
|
|
endif
|
|
if char[0] is# '\'
|
|
call add(expr, +char[1:])
|
|
else
|
|
call add(expr, char2nr(char))
|
|
endif
|
|
let s = s[len(char) + 2:]
|
|
else
|
|
throw 'unknown:Invalid non-space character: ' . s
|
|
endif
|
|
endwhile
|
|
if empty(expr)
|
|
throw 'empty:Parsed string is empty'
|
|
endif
|
|
return eval(join(expr, ''))
|
|
endfunction
|
|
|
|
""
|
|
" Check whether two msgpack values are equal
|
|
function msgpack#equal(a, b)
|
|
let atype = msgpack#type(a:a)
|
|
let btype = msgpack#type(a:b)
|
|
if atype isnot# btype
|
|
return 0
|
|
endif
|
|
let aspecial = msgpack#special_type(a:a)
|
|
let bspecial = msgpack#special_type(a:b)
|
|
if aspecial is# bspecial
|
|
if aspecial is# 0
|
|
if type(a:a) == type({})
|
|
if len(a:a) != len(a:b)
|
|
return 0
|
|
endif
|
|
if !empty(filter(keys(a:a), '!has_key(a:b, v:val)'))
|
|
return 0
|
|
endif
|
|
for [k, v] in items(a:a)
|
|
if !msgpack#equal(v, a:b[k])
|
|
return 0
|
|
endif
|
|
unlet v
|
|
endfor
|
|
return 1
|
|
elseif type(a:a) == type([])
|
|
if len(a:a) != len(a:b)
|
|
return 0
|
|
endif
|
|
let i = 0
|
|
for asubval in a:a
|
|
if !msgpack#equal(asubval, a:b[i])
|
|
return 0
|
|
endif
|
|
let i += 1
|
|
unlet asubval
|
|
endfor
|
|
return 1
|
|
elseif type(a:a) == type(0.0)
|
|
return (a:a == a:a ? a:a == a:b : string(a:a) ==# string(a:b))
|
|
else
|
|
return a:a ==# a:b
|
|
endif
|
|
elseif aspecial is# 'map' || aspecial is# 'array'
|
|
if len(a:a._VAL) != len(a:b._VAL)
|
|
return 0
|
|
endif
|
|
let alist = aspecial is# 'map' ? sort(copy(a:a._VAL)) : a:a._VAL
|
|
let blist = bspecial is# 'map' ? sort(copy(a:b._VAL)) : a:b._VAL
|
|
let i = 0
|
|
for asubval in alist
|
|
let bsubval = blist[i]
|
|
if aspecial is# 'map'
|
|
if !(msgpack#equal(asubval[0], bsubval[0])
|
|
\&& msgpack#equal(asubval[1], bsubval[1]))
|
|
return 0
|
|
endif
|
|
else
|
|
if !msgpack#equal(asubval, bsubval)
|
|
return 0
|
|
endif
|
|
endif
|
|
let i += 1
|
|
unlet asubval
|
|
unlet bsubval
|
|
endfor
|
|
return 1
|
|
elseif aspecial is# 'nil'
|
|
return 1
|
|
elseif aspecial is# 'float'
|
|
return (a:a._VAL == a:a._VAL
|
|
\? (a:a._VAL == a:b._VAL)
|
|
\: (string(a:a._VAL) ==# string(a:b._VAL)))
|
|
else
|
|
return a:a._VAL ==# a:b._VAL
|
|
endif
|
|
else
|
|
if atype is# 'array'
|
|
let a = aspecial is 0 ? a:a : a:a._VAL
|
|
let b = bspecial is 0 ? a:b : a:b._VAL
|
|
return msgpack#equal(a, b)
|
|
elseif atype is# 'binary'
|
|
let a = (aspecial is 0 ? split(a:a, "\n", 1) : a:a._VAL)
|
|
let b = (bspecial is 0 ? split(a:b, "\n", 1) : a:b._VAL)
|
|
return a ==# b
|
|
elseif atype is# 'map'
|
|
if aspecial is 0
|
|
let akeys = copy(a:a)
|
|
if len(a:b._VAL) != len(akeys)
|
|
return 0
|
|
endif
|
|
for [k, v] in a:b._VAL
|
|
if msgpack#type(k) isnot# 'string'
|
|
" Non-special mapping cannot have non-string keys
|
|
return 0
|
|
endif
|
|
if (empty(k._VAL)
|
|
\|| k._VAL ==# [""]
|
|
\|| !empty(filter(copy(k._VAL), 'stridx(v:val, "\n") != -1')))
|
|
" Non-special mapping cannot have zero byte in key or an empty key
|
|
return 0
|
|
endif
|
|
let kstr = join(k._VAL, "\n")
|
|
if !has_key(akeys, kstr)
|
|
" Protects from both missing and duplicate keys
|
|
return 0
|
|
endif
|
|
if !msgpack#equal(akeys[kstr], v)
|
|
return 0
|
|
endif
|
|
call remove(akeys, kstr)
|
|
unlet k
|
|
unlet v
|
|
endfor
|
|
return 1
|
|
else
|
|
return msgpack#equal(a:b, a:a)
|
|
endif
|
|
elseif atype is# 'float'
|
|
let a = aspecial is 0 ? a:a : a:a._VAL
|
|
let b = bspecial is 0 ? a:b : a:b._VAL
|
|
return (a == a ? a == b : string(a) ==# string(b))
|
|
elseif atype is# 'integer'
|
|
if aspecial is 0
|
|
let sign = a:a >= 0 ? 1 : -1
|
|
let a = sign * a:a
|
|
let v1 = s:mask1(s:shift(a, -62), 2)
|
|
let v2 = s:mask1(s:shift(a, -31), 31)
|
|
let v3 = s:mask1(a, 31)
|
|
return [sign, v1, v2, v3] == a:b._VAL
|
|
else
|
|
return msgpack#equal(a:b, a:a)
|
|
endif
|
|
else
|
|
throw printf('internal-invalid-type: %s == %s, but special %s /= %s',
|
|
\atype, btype, aspecial, bspecial)
|
|
endif
|
|
endif
|
|
endfunction
|