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+" Vim syntax file
+" Language: HASTE - a language for VLSI IC programming
+" Maintainer: M. Tranchero - maurizio.tranchero?gmail.com
+" Credits: some parts have been taken from vhdl, verilog, and C syntax
+" files
+" Version: 0.9
+" Last Change: 0.9 improvement of haste numbers detection
+" Change: 0.8 error matching for wrong hierarchical connections
+" Change: 0.7 added more rules to highlight pre-processor directives
+
+" HASTE
+if exists("b:current_syntax")
+ finish
+endif
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+ finish
+endif
+
+" case is significant
+syn case match
+
+" HASTE keywords
+syn keyword hasteStatement act alias arb array begin bitvec
+syn keyword hasteStatement bitwidth boolvec broad case
+syn keyword hasteStatement cast chan const dataprobe do edge
+syn keyword hasteStatement else end export false ff fi file
+syn keyword hasteStatement fit for forever func if import
+syn keyword hasteStatement inprobe is les main narb narrow
+syn keyword hasteStatement negedge od of or outprobe pas
+syn keyword hasteStatement posedge probe proc ram ramreg
+syn keyword hasteStatement repeat rom romreg sample sel si
+syn keyword hasteStatement sign sizeof skip stop then true
+syn keyword hasteStatement type until var wait wire
+syn keyword hasteFutureExt Z ffe partial
+syn keyword hasteVerilog buf reg while
+
+" Special match for "if", "or", and "else" since "else if"
+" and other "else+if" combination shouldn't be highlighted.
+" The right keyword is "or"
+syn match hasteStatement "\<\(if\|then\|else\|fi\)\>"
+syn match hasteNone "\<else\s\+if\>$"
+syn match hasteNone "\<else\s\+if\>\s"
+syn match hasteNone "\<elseif\>\s"
+syn match hasteNone "\<elsif\>\s"
+syn match hasteStatement "\<\(case\|is\|si\)\>"
+syn match hasteStatement "\<\(repeat\|until\)\>"
+syn match hasteStatement "\<\(forever\|do\|od\)\>"
+syn match hasteStatement "\<\(for\|do\|od\)\>"
+syn match hasteStatement "\<\(do\|or\|od\)\>"
+syn match hasteStatement "\<\(sel\|les\)\>"
+syn match hasteError "\<\d\+[_a-zA-Z]\+\>"
+syn match hasteError "\(\([[:alnum:]]\+\s*(\s\+\|)\s*,\)\)\s*\([[:alnum:]]\+\s*(\)"
+
+" Predifined Haste types
+syn keyword hasteType bool
+
+" Values for standard Haste types
+" syn match hasteVector "\'[0L1HXWZU\-\?]\'"
+
+syn match hasteVector "0b\"[01_]\+\""
+syn match hasteVector "0x\"[0-9a-f_]\+\""
+syn match hasteCharacter "'.'"
+" syn region hasteString start=+"+ end=+"+
+syn match hasteIncluded display contained "<[^>]*>"
+syn match hasteIncluded display contained "<[^"]*>"
+syn region hasteInclude start="^\s*#include\>\s*" end="$" contains=hasteIncluded,hasteString
+
+" integer numbers
+syn match hasteNumber "\d\+\^[[:alnum:]]*[-+]\{0,1\}[[:alnum:]]*"
+syn match hasteNumber "-\=\<\d\+\(\^[+\-]\=\d\+\)\>"
+syn match hasteNumber "-\=\<\d\+\>"
+" syn match hasteNumber "0*2#[01_]\+#\(\^[+\-]\=\d\+\)\="
+" syn match hasteNumber "0*16#[0-9a-f_]\+#\(\^[+\-]\=\d\+\)\="
+" operators
+syn keyword hasteSeparators & , . \|
+syn keyword hasteExecution \|\| ; @
+syn keyword hasteOperator := ? ! :
+syn keyword hasteTypeConstr "[" << >> .. "]" ~
+syn keyword hasteExprOp < <= >= > = # <> + - * == ##
+syn keyword hasteMisc ( ) 0x 0b
+"
+syn match hasteSeparators "[&:\|,.]"
+syn match hasteOperator ":="
+syn match hasteOperator ":"
+syn match hasteOperator "?"
+syn match hasteOperator "!"
+syn match hasteExecution "||"
+syn match hasteExecution ";"
+syn match hasteExecution "@"
+syn match hasteType "\[\["
+syn match hasteType "\]\]"
+syn match hasteType "<<"
+syn match hasteType ">>"
+syn match hasteExprOp "<"
+syn match hasteExprOp "<="
+syn match hasteExprOp ">="
+syn match hasteExprOp ">"
+syn match hasteExprOp "<>"
+syn match hasteExprOp "="
+syn match hasteExprOp "=="
+syn match hasteExprOp "##"
+" syn match hasteExprOp "#"
+syn match hasteExprOp "*"
+syn match hasteExprOp "+"
+
+syn region hasteComment start="/\*" end="\*/" contains=@Spell
+syn region hasteComment start="{" end="}" contains=@Spell
+syn match hasteComment "//.*" contains=@Spell
+
+" Define the default highlighting.
+" Only when an item doesn't have highlighting yet
+hi def link hasteSpecial Special
+hi def link hasteStatement Statement
+hi def link hasteCharacter String
+hi def link hasteString String
+hi def link hasteVector String
+hi def link hasteBoolean String
+hi def link hasteComment Comment
+hi def link hasteNumber String
+hi def link hasteTime String
+hi def link hasteType Type
+hi def link hasteGlobal Error
+hi def link hasteError Error
+hi def link hasteAttribute Type
+"
+hi def link hasteSeparators Special
+hi def link hasteExecution Special
+hi def link hasteTypeConstr Special
+hi def link hasteOperator Type
+hi def link hasteExprOp Type
+hi def link hasteMisc String
+hi def link hasteFutureExt Error
+hi def link hasteVerilog Error
+hi def link hasteDefine Macro
+hi def link hasteInclude Include
+" hi def link hastePreProc Preproc
+" hi def link hastePreProcVar Special
+
+let b:current_syntax = "haste"
+
+" vim: ts=8