" 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
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