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https://github.com/vim/vim
synced 2025-03-16 06:47:52 +01:00
d94ac0caca
Problem: "make cmdidxs" doesn't work. Solution: Update macro names. (Naruhiko Nishino, closes #4660)
104 lines
3.2 KiB
VimL
104 lines
3.2 KiB
VimL
" This script generates the tables cmdidxs1[] and cmdidxs2[][] which,
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" given a Ex command, determine the first value to probe to find
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" a matching command in cmdnames[] based on the first character
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" and the first 2 characters of the command.
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" This is used to speed up lookup in cmdnames[].
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"
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" Script should be run every time new Ex commands are added in Vim,
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" from the src/vim directory, since it reads commands from "ex_cmds.h".
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let cmds = []
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let skipped_cmds = 0
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let lines = readfile('ex_cmds.h')
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let idx = 0
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while idx < len(lines)
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let line = lines[idx]
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if line =~ '^EXCMD(CMD_'
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let m = matchlist(line, '^EXCMD(CMD_\S*,\s*"\([a-z][^"]*\)"')
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if len(m) >= 2
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let cmds += [ m[1] ]
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else
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let skipped_cmds += 1
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endif
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let idx += 1
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let flags = lines[idx]
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let idx += 1
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let addr_type = lines[idx]
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if flags =~ '\<EX_RANGE\>'
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if addr_type =~ 'ADDR_NONE'
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echoerr 'ex_cmds.h:' .. (idx - 1) .. ': Using EX_RANGE with ADDR_NONE: ' .. line
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endif
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else
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if addr_type !~ 'ADDR_NONE'
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echoerr 'ex_cmds.h:' .. (idx - 1) .. ': Missing ADDR_NONE: ' .. line
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endif
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endif
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if flags =~ '\<EX_DFLALL\>' && (addr_type =~ 'ADDR_OTHER' || addr_type =~ 'ADDR_NONE')
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echoerr 'ex_cmds.h:' .. (idx - 1) .. ': Missing misplaced EX_DFLALL: ' .. line
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endif
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endif
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let idx += 1
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endwhile
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let cmdidxs1 = {}
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let cmdidxs2 = {}
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for i in range(len(cmds) - 1, 0, -1)
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let cmd = cmds[i]
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let c1 = cmd[0] " First character of command
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let c2 = cmd[1] " Second character of command (if any)
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let cmdidxs1{c1} = i
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if c2 >= 'a' && c2 <= 'z'
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let cmdidxs2{c1}{c2} = i
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endif
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endfor
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let output = [ '/* Automatically generated code by create_cmdidxs.vim' ]
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let output += [ ' *' ]
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let output += [ ' * Table giving the index of the first command in cmdnames[] to lookup' ]
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let output += [ ' * based on the first letter of a command.' ]
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let output += [ ' */' ]
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let output += [ 'static const unsigned short cmdidxs1[26] =' ]
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let output += [ '{' ]
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let a_to_z = map(range(char2nr('a'), char2nr('z')), 'nr2char(v:val)')
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for c1 in a_to_z
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let line = ' /* ' . c1 . ' */ ' . cmdidxs1{c1} . ((c1 == 'z') ? '' : ',')
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let output += [ line ]
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endfor
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let output += [ '};' ]
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let output += [ '' ]
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let output += [ '/*' ]
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let output += [ ' * Table giving the index of the first command in cmdnames[] to lookup' ]
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let output += [ ' * based on the first 2 letters of a command.' ]
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let output += [ ' * Values in cmdidxs2[c1][c2] are relative to cmdidxs1[c1] so that they' ]
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let output += [ ' * fit in a byte.' ]
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let output += [ ' */' ]
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let output += [ 'static const unsigned char cmdidxs2[26][26] =' ]
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let output += [ '{ /* a b c d e f g h i j k l m n o p q r s t u v w x y z */' ]
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for c1 in a_to_z
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let line = ' /* ' . c1 . ' */ {'
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for c2 in a_to_z
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if exists('cmdidxs2{c1}{c2}')
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let line .= printf('%3d', cmdidxs2{c1}{c2} - cmdidxs1{c1})
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else
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let line .= ' 0'
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endif
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let line .= (c2 == 'z') ? '' : ','
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endfor
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let line .= ' }' . ((c1 == 'z') ? '' : ',')
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let output += [ line ]
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endfor
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let output += [ '};' ]
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let output += [ '' ]
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let output += [ 'static const int command_count = ' . (len(cmds) + skipped_cmds) . ';' ]
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call writefile(output, "ex_cmdidxs.h")
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quit
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