2014-07-10 21:05:51 -07:00
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" Vim syn file
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" Language: Altera AHDL
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" Maintainer: John Cook <john.cook@kla-tencor.com>
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" Last Change: 2001 Apr 25
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2017-04-28 12:06:44 -07:00
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" quit when a syntax file was already loaded
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if exists("b:current_syntax")
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2014-07-10 21:05:51 -07:00
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finish
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endif
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"this language is oblivious to case.
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syn case ignore
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" a bunch of keywords
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syn keyword ahdlKeyword assert begin bidir bits buried case clique
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syn keyword ahdlKeyword connected_pins constant defaults define design
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syn keyword ahdlKeyword device else elsif end for function generate
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syn keyword ahdlKeyword gnd help_id if in include input is machine
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syn keyword ahdlKeyword node of options others output parameters
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syn keyword ahdlKeyword returns states subdesign table then title to
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syn keyword ahdlKeyword tri_state_node variable vcc when with
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" a bunch of types
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syn keyword ahdlIdentifier carry cascade dffe dff exp global
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syn keyword ahdlIdentifier jkffe jkff latch lcell mcell memory opendrn
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syn keyword ahdlIdentifier soft srffe srff tffe tff tri wire x
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syn keyword ahdlMegafunction lpm_and lpm_bustri lpm_clshift lpm_constant
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syn keyword ahdlMegafunction lpm_decode lpm_inv lpm_mux lpm_or lpm_xor
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syn keyword ahdlMegafunction busmux mux
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syn keyword ahdlMegafunction divide lpm_abs lpm_add_sub lpm_compare
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syn keyword ahdlMegafunction lpm_counter lpm_mult
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syn keyword ahdlMegafunction altdpram csfifo dcfifo scfifo csdpram lpm_ff
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syn keyword ahdlMegafunction lpm_latch lpm_shiftreg lpm_ram_dq lpm_ram_io
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syn keyword ahdlMegafunction lpm_rom lpm_dff lpm_tff clklock pll ntsc
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syn keyword ahdlTodo contained TODO
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" String contstants
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syn region ahdlString start=+"+ skip=+\\"+ end=+"+
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" valid integer number formats (decimal, binary, octal, hex)
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syn match ahdlNumber '\<\d\+\>'
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syn match ahdlNumber '\<b"\(0\|1\|x\)\+"'
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syn match ahdlNumber '\<\(o\|q\)"\o\+"'
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syn match ahdlNumber '\<\(h\|x\)"\x\+"'
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" operators
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syn match ahdlOperator "[!&#$+\-<>=?:\^]"
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syn keyword ahdlOperator not and nand or nor xor xnor
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syn keyword ahdlOperator mod div log2 used ceil floor
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" one line and multi-line comments
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" (define these after ahdlOperator so -- overrides -)
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syn match ahdlComment "--.*" contains=ahdlNumber,ahdlTodo
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syn region ahdlComment start="%" end="%" contains=ahdlNumber,ahdlTodo
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" other special characters
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syn match ahdlSpecialChar "[\[\]().,;]"
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syn sync minlines=1
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" Define the default highlighting.
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2017-04-28 12:06:44 -07:00
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" Only when an item doesn't have highlighting yet
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" The default highlighting.
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2017-04-28 12:14:34 -07:00
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hi def link ahdlNumber ahdlString
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hi def link ahdlMegafunction ahdlIdentifier
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hi def link ahdlSpecialChar SpecialChar
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hi def link ahdlKeyword Statement
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hi def link ahdlString String
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hi def link ahdlComment Comment
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hi def link ahdlIdentifier Identifier
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hi def link ahdlOperator Operator
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hi def link ahdlTodo Todo
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2014-07-10 21:05:51 -07:00
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let b:current_syntax = "ahdl"
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" vim:ts=8
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