" Vim syntax file " Language: VHDL " Maintainer: Daniel Kho " Previous Maintainer: Czo " Credits: Stephan Hegel " Last Changed: 2015 Apr 25 by Daniel Kho " $Id: vhdl.vim,v 1.1 2004/06/13 15:34:56 vimboss Exp $ " VHSIC (Very High Speed Integrated Circuit) Hardware Description Language " For version 5.x: Clear all syntax items " For version 6.x: Quit when a syntax file was already loaded if version < 600 syntax clear elseif exists("b:current_syntax") finish endif let s:cpo_save = &cpo set cpo&vim " This is not VHDL. I use the C-Preprocessor cpp to generate different binaries " from one VHDL source file. Unfortunately there is no preprocessor for VHDL " available. If you don't like this, please remove the following lines. "syn match cDefine "^#ifdef[ ]\+[A-Za-z_]\+" "syn match cDefine "^#endif" " case is not significant syn case ignore " VHDL keywords syn keyword vhdlStatement access after alias all assert syn keyword vhdlStatement architecture array attribute syn keyword vhdlStatement assume assume_guarantee syn keyword vhdlStatement begin block body buffer bus syn keyword vhdlStatement case component configuration constant syn keyword vhdlStatement context cover syn keyword vhdlStatement default disconnect downto syn keyword vhdlStatement elsif end entity exit syn keyword vhdlStatement file for function syn keyword vhdlStatement fairness force syn keyword vhdlStatement generate generic group guarded syn keyword vhdlStatement impure in inertial inout is syn keyword vhdlStatement label library linkage literal loop syn keyword vhdlStatement map syn keyword vhdlStatement new next null syn keyword vhdlStatement of on open others out syn keyword vhdlStatement package port postponed procedure process pure syn keyword vhdlStatement parameter property protected syn keyword vhdlStatement range record register reject report return syn keyword vhdlStatement release restrict restrict_guarantee syn keyword vhdlStatement select severity signal shared syn keyword vhdlStatement subtype syn keyword vhdlStatement sequence strong syn keyword vhdlStatement then to transport type syn keyword vhdlStatement unaffected units until use syn keyword vhdlStatement variable syn keyword vhdlStatement vmode vprop vunit syn keyword vhdlStatement wait when while with syn keyword vhdlStatement note warning error failure " Special match for "if" and "else" since "else if" shouldn't be highlighted. " The right keyword is "elsif" syn match vhdlStatement "\<\(if\|else\)\>" syn match vhdlNone "\$" syn match vhdlNone "\\s" " Predefined VHDL types syn keyword vhdlType bit bit_vector syn keyword vhdlType character boolean integer real time syn keyword vhdlType boolean_vector integer_vector real_vector time_vector syn keyword vhdlType string severity_level " Predefined standard ieee VHDL types syn keyword vhdlType positive natural signed unsigned syn keyword vhdlType line text syn keyword vhdlType std_logic std_logic_vector syn keyword vhdlType std_ulogic std_ulogic_vector " Predefined non standard VHDL types for Mentor Graphics Sys1076/QuickHDL "syn keyword vhdlType qsim_state qsim_state_vector "syn keyword vhdlType qsim_12state qsim_12state_vector "syn keyword vhdlType qsim_strength " Predefined non standard VHDL types for Alliance VLSI CAD "syn keyword vhdlType mux_bit mux_vector reg_bit reg_vector wor_bit wor_vector " array attributes syn match vhdlAttribute "\'high" syn match vhdlAttribute "\'left" syn match vhdlAttribute "\'length" syn match vhdlAttribute "\'low" syn match vhdlAttribute "\'range" syn match vhdlAttribute "\'reverse_range" syn match vhdlAttribute "\'right" syn match vhdlAttribute "\'ascending" " block attributes syn match vhdlAttribute "\'behaviour" syn match vhdlAttribute "\'structure" syn match vhdlAttribute "\'simple_name" syn match vhdlAttribute "\'instance_name" syn match vhdlAttribute "\'path_name" syn match vhdlAttribute "\'foreign" " signal attribute syn match vhdlAttribute "\'active" syn match vhdlAttribute "\'delayed" syn match vhdlAttribute "\'event" syn match vhdlAttribute "\'last_active" syn match vhdlAttribute "\'last_event" syn match vhdlAttribute "\'last_value" syn match vhdlAttribute "\'quiet" syn match vhdlAttribute "\'stable" syn match vhdlAttribute "\'transaction" syn match vhdlAttribute "\'driving" syn match vhdlAttribute "\'driving_value" " type attributes syn match vhdlAttribute "\'base" syn match vhdlAttribute "\'high" syn match vhdlAttribute "\'left" syn match vhdlAttribute "\'leftof" syn match vhdlAttribute "\'low" syn match vhdlAttribute "\'pos" syn match vhdlAttribute "\'pred" syn match vhdlAttribute "\'rightof" syn match vhdlAttribute "\'succ" syn match vhdlAttribute "\'val" syn match vhdlAttribute "\'image" syn match vhdlAttribute "\'value" syn keyword vhdlBoolean true false " for this vector values case is significant syn case match " Values for standard VHDL types syn match vhdlVector "\'[0L1HXWZU\-\?]\'" " Values for non standard VHDL types qsim_12state for Mentor Graphics Sys1076/QuickHDL "syn keyword vhdlVector S0S S1S SXS S0R S1R SXR S0Z S1Z SXZ S0I S1I SXI syn case ignore syn match vhdlVector "B\"[01_]\+\"" syn match vhdlVector "O\"[0-7_]\+\"" syn match vhdlVector "X\"[0-9a-f_]\+\"" syn match vhdlCharacter "'.'" syn region vhdlString start=+"+ end=+"+ " floating numbers syn match vhdlNumber "-\=\<\d\+\.\d\+\(E[+\-]\=\d\+\)\>" syn match vhdlNumber "-\=\<\d\+\.\d\+\>" syn match vhdlNumber "0*2#[01_]\+\.[01_]\+#\(E[+\-]\=\d\+\)\=" syn match vhdlNumber "0*16#[0-9a-f_]\+\.[0-9a-f_]\+#\(E[+\-]\=\d\+\)\=" " integer numbers syn match vhdlNumber "-\=\<\d\+\(E[+\-]\=\d\+\)\>" syn match vhdlNumber "-\=\<\d\+\>" syn match vhdlNumber "0*2#[01_]\+#\(E[+\-]\=\d\+\)\=" syn match vhdlNumber "0*16#[0-9a-f_]\+#\(E[+\-]\=\d\+\)\=" " operators syn keyword vhdlOperator and nand or nor xor xnor syn keyword vhdlOperator rol ror sla sll sra srl syn keyword vhdlOperator mod rem abs not syn match vhdlOperator "[&><=:+\-*\/|]" syn match vhdlSpecial "[().,;]" " time syn match vhdlTime "\<\d\+\s\+\(\([fpnum]s\)\|\(sec\)\|\(min\)\|\(hr\)\)\>" syn match vhdlTime "\<\d\+\.\d\+\s\+\(\([fpnum]s\)\|\(sec\)\|\(min\)\|\(hr\)\)\>" syn keyword vhdlTodo contained TODO NOTE syn keyword vhdlFixme contained FIXME " Regex for space is '\s' " Any number of spaces: \s* " At least one space: \s+ syn region vhdlComment start="/\*" end="\*/" contains=vhdlTodo,vhdlFixme,@Spell syn match vhdlComment "--.*" contains=vhdlTodo,vhdlFixme,@Spell syn match vhdlPreProc "/\* synthesis .* \*/" syn match vhdlPreProc "/\* pragma .* \*/" syn match vhdlPreProc "/\* synopsys .* \*/" syn match vhdlPreProc "--\s*synthesis .*" syn match vhdlPreProc "--\s*pragma .*" syn match vhdlPreProc "--\s*synopsys .*" " syn match vhdlGlobal "[\'$#~!%@?\^\[\]{}\\]" "Modify the following as needed. The trade-off is performance versus functionality. syn sync minlines=200 " Define the default highlighting. " For version 5.7 and earlier: only when not done already " For version 5.8 and later: only when an item doesn't have highlighting yet if version >= 508 || !exists("did_vhdl_syntax_inits") if version < 508 let did_vhdl_syntax_inits = 1 command -nargs=+ HiLink hi link else command -nargs=+ HiLink hi def link endif HiLink vhdlSpecial Special HiLink vhdlStatement Statement HiLink vhdlCharacter Character HiLink vhdlString String HiLink vhdlVector Number HiLink vhdlBoolean Number HiLink vhdlTodo Todo HiLink vhdlFixme Fixme HiLink vhdlComment Comment HiLink vhdlNumber Number HiLink vhdlTime Number HiLink vhdlType Type HiLink vhdlOperator Operator " HiLink vhdlGlobal Error HiLink vhdlAttribute Special HiLink vhdlPreProc PreProc delcommand HiLink endif let b:current_syntax = "vhdl" let &cpo = s:cpo_save unlet s:cpo_save " vim: ts=8