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1 " Vim syntax file
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2 " Language: Expect
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3 " Maintainer: Ralph Jennings <knowbudy@oro.net>
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4 " Last Change: 2001 May 09
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5
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6 " For version 5.x: Clear all syntax items
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7 " For version 6.x: Quit when a syntax file was already loaded
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8 if version < 600
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9 syntax clear
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10 elseif exists("b:current_syntax")
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11 finish
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12 endif
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13
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14 " Reserved Expect variable prefixes.
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15 syn match expectVariables "\$exp[a-zA-Z0-9_]*\|\$inter[a-zA-Z0-9_]*"
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16 syn match expectVariables "\$spawn[a-zA-Z0-9_]*\|\$timeout[a-zA-Z0-9_]*"
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17
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18 " Normal Expect variables.
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19 syn match expectVariables "\$env([^)]*)"
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20 syn match expectVariables "\$any_spawn_id\|\$argc\|\$argv\d*"
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21 syn match expectVariables "\$user_spawn_id\|\$spawn_id\|\$timeout"
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22
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23 " Expect variable arrays.
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24 syn match expectVariables "\$\(expect\|interact\)_out([^)]*)" contains=expectOutVar
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25
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26 " User defined variables.
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27 syn match expectVariables "\$[a-zA-Z_][a-zA-Z0-9_]*"
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28
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29 " Reserved Expect command prefixes.
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30 syn match expectCommand "exp_[a-zA-Z0-9_]*"
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31
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32 " Normal Expect commands.
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33 syn keyword expectStatement close debug disconnect
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34 syn keyword expectStatement exit exp_continue exp_internal exp_open
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35 syn keyword expectStatement exp_pid exp_version
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36 syn keyword expectStatement fork inter_return interpreter
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37 syn keyword expectStatement log_file log_user match_max overlay
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38 syn keyword expectStatement parity remove_nulls return
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39 syn keyword expectStatement send send_error send_log send_user
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40 syn keyword expectStatement sleep spawn strace stty system
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41 syn keyword expectStatement timestamp trace trap wait
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42
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43 " Tcl commands recognized and used by Expect.
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44 syn keyword expectCommand proc
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45 syn keyword expectConditional if else
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46 syn keyword expectRepeat while for foreach
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47
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48 " Expect commands with special arguments.
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49 syn keyword expectStatement expect expect_after expect_background nextgroup=expectExpectOpts
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50 syn keyword expectStatement expect_before expect_user interact nextgroup=expectExpectOpts
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51
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52 syn match expectSpecial contained "\\."
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53
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54 " Options for "expect", "expect_after", "expect_background",
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55 " "expect_before", "expect_user", and "interact".
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56 syn keyword expectExpectOpts default eof full_buffer null return timeout
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57
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58 syn keyword expectOutVar contained spawn_id seconds seconds_total
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59 syn keyword expectOutVar contained string start end buffer
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60
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61 " Numbers (Tcl style).
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62 syn case ignore
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63 syn match expectNumber "\<\d\+\(u\=l\=\|lu\|f\)\>"
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64 "floating point number, with dot, optional exponent
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65 syn match expectNumber "\<\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=\>"
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66 "floating point number, starting with a dot, optional exponent
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67 syn match expectNumber "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>"
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68 "floating point number, without dot, with exponent
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69 syn match expectNumber "\<\d\+e[-+]\=\d\+[fl]\=\>"
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70 "hex number
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71 syn match expectNumber "0x[0-9a-f]\+\(u\=l\=\|lu\)\>"
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72 "syn match expectIdentifier "\<[a-z_][a-z0-9_]*\>"
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73 syn case match
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74
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75 syn region expectString start=+"+ end=+"+ contains=expectVariables,expectSpecial
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76
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77 " Are these really comments in Expect? (I never use it, so I'm just guessing).
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78 syn keyword expectTodo contained TODO
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79 syn match expectComment "#.*$" contains=expectTodo
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80
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81 " Define the default highlighting.
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82 " For version 5.7 and earlier: only when not done already
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83 " For version 5.8 and later: only when an item doesn't have highlighting yet
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84 if version >= 508 || !exists("did_expect_syntax_inits")
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85 if version < 508
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86 let did_expect_syntax_inits = 1
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87 command -nargs=+ HiLink hi link <args>
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88 else
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89 command -nargs=+ HiLink hi def link <args>
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90 endif
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91
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92 HiLink expectVariables Special
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93 HiLink expectCommand Function
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94 HiLink expectStatement Statement
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95 HiLink expectConditional Conditional
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96 HiLink expectRepeat Repeat
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97 HiLink expectExpectOpts Keyword
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98 HiLink expectOutVar Special
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99 HiLink expectSpecial Special
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100 HiLink expectNumber Number
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101
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102 HiLink expectString String
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103
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104 HiLink expectComment Comment
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105 HiLink expectTodo Todo
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106 "HiLink expectIdentifier Identifier
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107
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108 delcommand HiLink
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109 endif
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110
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111 let b:current_syntax = "expect"
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112
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113 " vim: ts=8
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