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annotate src/create_cmdidxs.vim @ 13652:a87e16662e48 v8.0.1698

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patch 8.0.1698: coverage statistics don't work on coveralls commit https://github.com/vim/vim/commit/1ed00330bcd169d5fcd72608e2745612b5b1d5b5 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 11 21:03:08 2018 +0200 patch 8.0.1698: coverage statistics don't work on coveralls Problem: Coverate statistics don't work on coveralls. Solution: Use curly braces for $SRCDIR.
author Christian Brabandt <cb@256bit.org>
date Wed, 11 Apr 2018 21:15:06 +0200
parents 889da8649221
children 854fb0ad4be6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 " This script generates the tables cmdidxs1[] and cmdidxs2[][] which,
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2 " given a Ex command, determine the first value to probe to find
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3 " a matching command in cmdnames[] based on the first character
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4 " and the first 2 characters of the command.
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5 " This is used to speed up lookup in cmdnames[].
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6 "
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7 " Script should be run every time new Ex commands are added in Vim,
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8 " from the src/vim directory, since it reads commands from "ex_cmds.h".
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9
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10 let cmds = []
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11 let skipped_cmds = 0
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12
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13 for line in readfile('ex_cmds.h')
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14 if line =~ '^EX(CMD_'
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15 let m = matchlist(line, '^EX(CMD_\S*,\s*"\([a-z][^"]*\)"')
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16 if len(m) >= 2
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17 let cmds += [ m[1] ]
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18 else
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19 let skipped_cmds += 1
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20 endif
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21 endif
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22 endfor
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23
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24 let cmdidxs1 = {}
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25 let cmdidxs2 = {}
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26
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27 for i in range(len(cmds) - 1, 0, -1)
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28 let cmd = cmds[i]
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29 let c1 = cmd[0] " First character of command
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30 let c2 = cmd[1] " Second character of command (if any)
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31
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32 let cmdidxs1{c1} = i
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33 if c2 >= 'a' && c2 <= 'z'
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34 let cmdidxs2{c1}{c2} = i
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35 endif
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36 endfor
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37
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38 let output = [ '/* Automatically generated code by create_cmdidxs.vim' ]
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39 let output += [ ' *' ]
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40 let output += [ ' * Table giving the index of the first command in cmdnames[] to lookup' ]
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41 let output += [ ' * based on the first letter of a command.' ]
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42 let output += [ ' */' ]
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43 let output += [ 'static const unsigned short cmdidxs1[26] =' ]
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44 let output += [ '{' ]
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45
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46 let a_to_z = map(range(char2nr('a'), char2nr('z')), 'nr2char(v:val)')
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47 for c1 in a_to_z
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48 let line = ' /* ' . c1 . ' */ ' . cmdidxs1{c1} . ((c1 == 'z') ? '' : ',')
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49 let output += [ line ]
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50 endfor
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51 let output += [ '};' ]
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52 let output += [ '' ]
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53 let output += [ '/*' ]
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54 let output += [ ' * Table giving the index of the first command in cmdnames[] to lookup' ]
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55 let output += [ ' * based on the first 2 letters of a command.' ]
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56 let output += [ ' * Values in cmdidxs2[c1][c2] are relative to cmdidxs1[c1] so that they' ]
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57 let output += [ ' * fit in a byte.' ]
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58 let output += [ ' */' ]
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59 let output += [ 'static const unsigned char cmdidxs2[26][26] =' ]
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60 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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61
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62 for c1 in a_to_z
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63 let line = ' /* ' . c1 . ' */ {'
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64 for c2 in a_to_z
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65 if exists('cmdidxs2{c1}{c2}')
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66 let line .= printf('%3d', cmdidxs2{c1}{c2} - cmdidxs1{c1})
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67 else
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68 let line .= ' 0'
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69 endif
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70 let line .= (c2 == 'z') ? '' : ','
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71 endfor
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72 let line .= ' }' . ((c1 == 'z') ? '' : ',')
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73 let output += [ line ]
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74 endfor
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75
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76 let output += [ '};' ]
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77 let output += [ '' ]
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78 let output += [ 'static const int command_count = ' . (len(cmds) + skipped_cmds) . ';' ]
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79
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80 call writefile(output, "ex_cmdidxs.h")
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81 quit