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