✏️ Editing: abel.vim Read Only

" Vim syntax file
" Language:	ABEL
" Maintainer:	John Cook <johncook3@gmail.com>
" Last Change:	2011 Dec 27

" quit when a syntax file was already loaded
if exists("b:current_syntax")
  finish
endif

let s:cpo_save = &cpo
set cpo&vim

" this language is oblivious to case
syn case ignore

" A bunch of keywords
syn keyword abelHeader		module title device options
syn keyword abelSection		declarations equations test_vectors end
syn keyword abelDeclaration	state truth_table state_diagram property
syn keyword abelType		pin node attribute constant macro library

syn keyword abelTypeId		com reg neg pos buffer dc reg_d reg_t contained
syn keyword abelTypeId		reg_sr reg_jk reg_g retain xor invert contained

syn keyword abelStatement	when then else if with endwith case endcase
syn keyword abelStatement	fuses expr trace

" option to omit obsolete statements
if exists("abel_obsolete_ok")
  syn keyword abelStatement enable flag in
else
  syn keyword abelError enable flag in
endif

" directives
syn match abelDirective "@alternate"
syn match abelDirective "@standard"
syn match abelDirective "@const"
syn match abelDirective "@dcset"
syn match abelDirective "@include"
syn match abelDirective "@page"
syn match abelDirective "@radix"
syn match abelDirective "@repeat"
syn match abelDirective "@irp"
syn match abelDirective "@expr"
syn match abelDirective "@if"
syn match abelDirective "@ifb"
syn match abelDirective "@ifnb"
syn match abelDirective "@ifdef"
syn match abelDirective "@ifndef"
syn match abelDirective "@ifiden"
syn match abelDirective "@ifniden"

syn keyword abelTodo contained TODO XXX FIXME

" wrap up type identifiers to differentiate them from normal strings
syn region abelSpecifier start='istype' end=';' contains=abelTypeIdChar,abelTypeId,abelTypeIdEnd keepend
syn match  abelTypeIdChar "[,']" contained
syn match  abelTypeIdEnd  ";" contained

" string contstants and special characters within them
syn match  abelSpecial contained "\\['\\]"
syn region abelString start=+'+ skip=+\\"+ end=+'+ contains=abelSpecial

" valid integer number formats (decimal, binary, octal, hex)
syn match abelNumber "\<[-+]\=[0-9]\+\>"
syn match abelNumber "\^d[0-9]\+\>"
syn match abelNumber "\^b[01]\+\>"
syn match abelNumber "\^o[0-7]\+\>"
syn match abelNumber "\^h[0-9a-f]\+\>"

" special characters
" (define these after abelOperator so ?= overrides ?)
syn match abelSpecialChar "[\[\](){},;:?]"

" operators
syn match abelLogicalOperator "[!#&$]"
syn match abelRangeOperator "\.\."
syn match abelAlternateOperator "[/*+]"
syn match abelAlternateOperator ":[+*]:"
syn match abelArithmeticOperator "[-%]"
syn match abelArithmeticOperator "<<"
syn match abelArithmeticOperator ">>"
syn match abelRelationalOperator "[<>!=]="
syn match abelRelationalOperator "[<>]"
syn match abelAssignmentOperator "[:?]\=="
syn match abelAssignmentOperator "?:="
syn match abelTruthTableOperator "->"

" signal extensions
syn match abelExtension "\.aclr\>"
syn match abelExtension "\.aset\>"
syn match abelExtension "\.clk\>"
syn match abelExtension "\.clr\>"
syn match abelExtension "\.com\>"
syn match abelExtension "\.fb\>"
syn match abelExtension "\.[co]e\>"
syn match abelExtension "\.l[eh]\>"
syn match abelExtension "\.fc\>"
syn match abelExtension "\.pin\>"
syn match abelExtension "\.set\>"
syn match abelExtension "\.[djksrtq]\>"
syn match abelExtension "\.pr\>"
syn match abelExtension "\.re\>"
syn match abelExtension "\.a[pr]\>"
syn match abelExtension "\.s[pr]\>"

" special constants
syn match abelConstant "\.[ckudfpxz]\."
syn match abelConstant "\.sv[2-9]\."

" one-line comments
syn region abelComment start=+"+ end=+"\|$+ contains=abelNumber,abelTodo
" option to prevent C++ style comments
if !exists("abel_cpp_comments_illegal")
  syn region abelComment start=+//+ end=+$+ contains=abelNumber,abelTodo
endif

syn sync minlines=1

" Define the default highlighting.
" Only when an item doesn't have highlighting yet

" The default highlighting.
hi def link abelHeader		abelStatement
hi def link abelSection		abelStatement
hi def link abelDeclaration	abelStatement
hi def link abelLogicalOperator	abelOperator
hi def link abelRangeOperator	abelOperator
hi def link abelAlternateOperator	abelOperator
hi def link abelArithmeticOperator	abelOperator
hi def link abelRelationalOperator	abelOperator
hi def link abelAssignmentOperator	abelOperator
hi def link abelTruthTableOperator	abelOperator
hi def link abelSpecifier		abelStatement
hi def link abelOperator		abelStatement
hi def link abelStatement		Statement
hi def link abelIdentifier		Identifier
hi def link abelTypeId		abelType
hi def link abelTypeIdChar		abelType
hi def link abelType		Type
hi def link abelNumber		abelString
hi def link abelString		String
hi def link abelConstant		Constant
hi def link abelComment		Comment
hi def link abelExtension		abelSpecial
hi def link abelSpecialChar	abelSpecial
hi def link abelTypeIdEnd		abelSpecial
hi def link abelSpecial		Special
hi def link abelDirective		PreProc
hi def link abelTodo		Todo
hi def link abelError		Error

let b:current_syntax = "abel"

let &cpo = s:cpo_save
unlet s:cpo_save

" vim:ts=8

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