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+" Vim syntax file
+" Language: Expect
+" Maintainer: Ralph Jennings <knowbudy@oro.net>
+" Last Change: 2012 Jun 01
+" (Dominique Pelle added @Spell)
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+ finish
+endif
+
+" Reserved Expect variable prefixes.
+syn match expectVariables "\$exp[a-zA-Z0-9_]*\|\$inter[a-zA-Z0-9_]*"
+syn match expectVariables "\$spawn[a-zA-Z0-9_]*\|\$timeout[a-zA-Z0-9_]*"
+
+" Normal Expect variables.
+syn match expectVariables "\$env([^)]*)"
+syn match expectVariables "\$any_spawn_id\|\$argc\|\$argv\d*"
+syn match expectVariables "\$user_spawn_id\|\$spawn_id\|\$timeout"
+
+" Expect variable arrays.
+syn match expectVariables "\$\(expect\|interact\)_out([^)]*)" contains=expectOutVar
+
+" User defined variables.
+syn match expectVariables "\$[a-zA-Z_][a-zA-Z0-9_]*"
+
+" Reserved Expect command prefixes.
+syn match expectCommand "exp_[a-zA-Z0-9_]*"
+
+" Normal Expect commands.
+syn keyword expectStatement close debug disconnect
+syn keyword expectStatement exit exp_continue exp_internal exp_open
+syn keyword expectStatement exp_pid exp_version
+syn keyword expectStatement fork inter_return interpreter
+syn keyword expectStatement log_file log_user match_max overlay
+syn keyword expectStatement parity remove_nulls return
+syn keyword expectStatement send send_error send_log send_user
+syn keyword expectStatement sleep spawn strace stty system
+syn keyword expectStatement timestamp trace trap wait
+
+" Tcl commands recognized and used by Expect.
+syn keyword expectCommand proc
+syn keyword expectConditional if else
+syn keyword expectRepeat while for foreach
+
+" Expect commands with special arguments.
+syn keyword expectStatement expect expect_after expect_background nextgroup=expectExpectOpts
+syn keyword expectStatement expect_before expect_user interact nextgroup=expectExpectOpts
+
+syn match expectSpecial contained "\\."
+
+" Options for "expect", "expect_after", "expect_background",
+" "expect_before", "expect_user", and "interact".
+syn keyword expectExpectOpts default eof full_buffer null return timeout
+
+syn keyword expectOutVar contained spawn_id seconds seconds_total
+syn keyword expectOutVar contained string start end buffer
+
+" Numbers (Tcl style).
+syn case ignore
+ syn match expectNumber "\<\d\+\(u\=l\=\|lu\|f\)\>"
+ "floating point number, with dot, optional exponent
+ syn match expectNumber "\<\d\+\.\d*\(e[-+]\=\d\+\)\=[fl]\=\>"
+ "floating point number, starting with a dot, optional exponent
+ syn match expectNumber "\.\d\+\(e[-+]\=\d\+\)\=[fl]\=\>"
+ "floating point number, without dot, with exponent
+ syn match expectNumber "\<\d\+e[-+]\=\d\+[fl]\=\>"
+ "hex number
+ syn match expectNumber "0x[0-9a-f]\+\(u\=l\=\|lu\)\>"
+ "syn match expectIdentifier "\<[a-z_][a-z0-9_]*\>"
+syn case match
+
+syn region expectString start=+"+ end=+"+ contains=@Spell,expectVariables,expectSpecial
+
+" Are these really comments in Expect? (I never use it, so I'm just guessing).
+syn keyword expectTodo contained TODO
+syn match expectComment "#.*$" contains=@Spell,expectTodo
+syn match expectSharpBang "\%^#!.*"
+
+" Define the default highlighting.
+" Only when an item doesn't have highlighting yet
+
+hi def link expectSharpBang PreProc
+hi def link expectVariables Special
+hi def link expectCommand Function
+hi def link expectStatement Statement
+hi def link expectConditional Conditional
+hi def link expectRepeat Repeat
+hi def link expectExpectOpts Keyword
+hi def link expectOutVar Special
+hi def link expectSpecial Special
+hi def link expectNumber Number
+
+hi def link expectString String
+
+hi def link expectComment Comment
+hi def link expectTodo Todo
+"hi def link expectIdentifier Identifier
+
+
+let b:current_syntax = "expect"
+
+" vim: ts=8