162 lines
5.0 KiB
VimL
162 lines
5.0 KiB
VimL
" Vim syntax file
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" Language: ABEL
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" Maintainer: John Cook <johncook3@gmail.com>
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" Last Change: 2011 Dec 27
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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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finish
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endif
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let s:cpo_save = &cpo
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set cpo&vim
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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 abelHeader module title device options
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syn keyword abelSection declarations equations test_vectors end
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syn keyword abelDeclaration state truth_table state_diagram property
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syn keyword abelType pin node attribute constant macro library
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syn keyword abelTypeId com reg neg pos buffer dc reg_d reg_t contained
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syn keyword abelTypeId reg_sr reg_jk reg_g retain xor invert contained
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syn keyword abelStatement when then else if with endwith case endcase
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syn keyword abelStatement fuses expr trace
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" option to omit obsolete statements
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if exists("abel_obsolete_ok")
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syn keyword abelStatement enable flag in
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else
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syn keyword abelError enable flag in
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endif
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" directives
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syn match abelDirective "@alternate"
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syn match abelDirective "@standard"
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syn match abelDirective "@const"
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syn match abelDirective "@dcset"
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syn match abelDirective "@include"
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syn match abelDirective "@page"
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syn match abelDirective "@radix"
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syn match abelDirective "@repeat"
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syn match abelDirective "@irp"
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syn match abelDirective "@expr"
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syn match abelDirective "@if"
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syn match abelDirective "@ifb"
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syn match abelDirective "@ifnb"
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syn match abelDirective "@ifdef"
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syn match abelDirective "@ifndef"
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syn match abelDirective "@ifiden"
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syn match abelDirective "@ifniden"
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syn keyword abelTodo contained TODO XXX FIXME
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" wrap up type identifiers to differentiate them from normal strings
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syn region abelSpecifier start='istype' end=';' contains=abelTypeIdChar,abelTypeId,abelTypeIdEnd keepend
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syn match abelTypeIdChar "[,']" contained
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syn match abelTypeIdEnd ";" contained
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" string constants and special characters within them
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syn match abelSpecial contained "\\['\\]"
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syn region abelString start=+'+ skip=+\\"+ end=+'+ contains=abelSpecial
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" valid integer number formats (decimal, binary, octal, hex)
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syn match abelNumber "\<[-+]\=[0-9]\+\>"
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syn match abelNumber "\^d[0-9]\+\>"
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syn match abelNumber "\^b[01]\+\>"
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syn match abelNumber "\^o[0-7]\+\>"
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syn match abelNumber "\^h[0-9a-f]\+\>"
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" special characters
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" (define these after abelOperator so ?= overrides ?)
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syn match abelSpecialChar "[\[\](){},;:?]"
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" operators
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syn match abelLogicalOperator "[!#&$]"
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syn match abelRangeOperator "\.\."
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syn match abelAlternateOperator "[/*+]"
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syn match abelAlternateOperator ":[+*]:"
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syn match abelArithmeticOperator "[-%]"
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syn match abelArithmeticOperator "<<"
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syn match abelArithmeticOperator ">>"
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syn match abelRelationalOperator "[<>!=]="
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syn match abelRelationalOperator "[<>]"
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syn match abelAssignmentOperator "[:?]\=="
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syn match abelAssignmentOperator "?:="
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syn match abelTruthTableOperator "->"
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" signal extensions
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syn match abelExtension "\.aclr\>"
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syn match abelExtension "\.aset\>"
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syn match abelExtension "\.clk\>"
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syn match abelExtension "\.clr\>"
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syn match abelExtension "\.com\>"
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syn match abelExtension "\.fb\>"
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syn match abelExtension "\.[co]e\>"
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syn match abelExtension "\.l[eh]\>"
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syn match abelExtension "\.fc\>"
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syn match abelExtension "\.pin\>"
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syn match abelExtension "\.set\>"
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syn match abelExtension "\.[djksrtq]\>"
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syn match abelExtension "\.pr\>"
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syn match abelExtension "\.re\>"
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syn match abelExtension "\.a[pr]\>"
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syn match abelExtension "\.s[pr]\>"
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" special constants
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syn match abelConstant "\.[ckudfpxz]\."
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syn match abelConstant "\.sv[2-9]\."
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" one-line comments
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syn region abelComment start=+"+ end=+"\|$+ contains=abelNumber,abelTodo
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" option to prevent C++ style comments
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if !exists("abel_cpp_comments_illegal")
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syn region abelComment start=+//+ end=+$+ contains=abelNumber,abelTodo
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endif
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syn sync minlines=1
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" Define the default highlighting.
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" Only when an item doesn't have highlighting yet
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" The default highlighting.
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hi def link abelHeader abelStatement
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hi def link abelSection abelStatement
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hi def link abelDeclaration abelStatement
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hi def link abelLogicalOperator abelOperator
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hi def link abelRangeOperator abelOperator
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hi def link abelAlternateOperator abelOperator
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hi def link abelArithmeticOperator abelOperator
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hi def link abelRelationalOperator abelOperator
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hi def link abelAssignmentOperator abelOperator
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hi def link abelTruthTableOperator abelOperator
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hi def link abelSpecifier abelStatement
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hi def link abelOperator abelStatement
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hi def link abelStatement Statement
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hi def link abelIdentifier Identifier
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hi def link abelTypeId abelType
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hi def link abelTypeIdChar abelType
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hi def link abelType Type
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hi def link abelNumber abelString
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hi def link abelString String
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hi def link abelConstant Constant
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hi def link abelComment Comment
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hi def link abelExtension abelSpecial
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hi def link abelSpecialChar abelSpecial
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hi def link abelTypeIdEnd abelSpecial
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hi def link abelSpecial Special
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hi def link abelDirective PreProc
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hi def link abelTodo Todo
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hi def link abelError Error
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let b:current_syntax = "abel"
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim:ts=8
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