2014-07-10 21:05:51 -07:00
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" Vim syntax file
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2016-01-19 13:58:36 -07:00
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" Language: Intel HEX
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" Maintainer: Markus Heidelberg <markus.heidelberg@web.de>
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" Previous version: Sams Ricahrd <sams@ping.at>
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" Last Change: 2015 Feb 24
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" Each record (line) is built as follows:
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"
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" field digits states
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"
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" +----------+
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" | start | 1 (':') hexRecStart
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" +----------+
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" | count | 2 hexDataByteCount
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" +----------+
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" | address | 4 hexNoAddress, hexDataAddress, (hexAddressFieldUnknown)
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" +----------+
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" | type | 2 hexRecType, (hexRecTypeUnknown)
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" +----------+
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" | data | 0..510 hexDataOdd, hexDataEven, hexExtendedAddress, hexStartAddress, (hexDataFieldUnknown, hexDataUnexpected)
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" +----------+
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" | checksum | 2 hexChecksum
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" +----------+
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"
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" States in parentheses in the upper format description indicate that they
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" should not appear in a valid file.
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2014-07-10 21:05:51 -07:00
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2017-04-28 12:06:44 -07:00
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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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2014-07-10 21:05:51 -07:00
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finish
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endif
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2016-01-19 13:58:36 -07:00
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syn match hexRecStart "^:"
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syn match hexDataByteCount "^:[0-9a-fA-F]\{2}" contains=hexRecStart nextgroup=hexAddress
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syn match hexAddress "[0-9a-fA-F]\{4}" transparent contained nextgroup=hexRecTypeUnknown,hexRecType
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" The address field groups include the record type field in the last 2
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" characters, the proper match for highlighting follows below.
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syn match hexAddressFieldUnknown "^:[0-9a-fA-F]\{8}" contains=hexDataByteCount nextgroup=hexDataFieldUnknown,hexChecksum
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syn match hexDataAddress "^:[0-9a-fA-F]\{6}00" contains=hexDataByteCount nextgroup=hexDataOdd,hexChecksum
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syn match hexNoAddress "^:[0-9a-fA-F]\{6}01" contains=hexDataByteCount nextgroup=hexDataUnexpected,hexChecksum
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syn match hexNoAddress "^:[0-9a-fA-F]\{6}0[24]" contains=hexDataByteCount nextgroup=hexExtendedAddress
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syn match hexNoAddress "^:[0-9a-fA-F]\{6}0[35]" contains=hexDataByteCount nextgroup=hexStartAddress
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syn match hexRecTypeUnknown "[0-9a-fA-F]\{2}" contained
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syn match hexRecType "0[0-5]" contained
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syn match hexDataFieldUnknown "[0-9a-fA-F]\{2}" contained nextgroup=hexDataFieldUnknown,hexChecksum
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" alternating highlight per byte for easier reading
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syn match hexDataOdd "[0-9a-fA-F]\{2}" contained nextgroup=hexDataEven,hexChecksum
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syn match hexDataEven "[0-9a-fA-F]\{2}" contained nextgroup=hexDataOdd,hexChecksum
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" data bytes which should not exist
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syn match hexDataUnexpected "[0-9a-fA-F]\{2}" contained nextgroup=hexDataUnexpected,hexChecksum
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" Data digit pair regex usage also results in only highlighting the checksum
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" if the number of data characters is even.
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2014-07-10 21:05:51 -07:00
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2016-01-19 13:58:36 -07:00
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" special data fields
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syn match hexExtendedAddress "[0-9a-fA-F]\{4}" contained nextgroup=hexDataUnexpected,hexChecksum
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syn match hexStartAddress "[0-9a-fA-F]\{8}" contained nextgroup=hexDataUnexpected,hexChecksum
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2014-07-10 21:05:51 -07:00
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2016-01-19 13:58:36 -07:00
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syn match hexChecksum "[0-9a-fA-F]\{2}$" contained
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2014-07-10 21:05:51 -07:00
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2016-01-19 13:58:36 -07:00
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" Folding Data Records below an Extended Segment/Linear Address Record
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syn region hexExtAdrBlock start="^:[0-9a-fA-F]\{7}[24]" skip="^:[0-9a-fA-F]\{7}0" end="^:"me=s-1 fold transparent
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2014-07-10 21:05:51 -07:00
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" Define the default highlighting.
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2017-04-28 12:06:44 -07:00
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" Only when an item doesn't have highlighting yet
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command -nargs=+ HiLink hi def link <args>
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2014-07-10 21:05:51 -07:00
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2017-04-28 12:06:44 -07:00
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" The default methods for highlighting. Can be overridden later
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HiLink hexRecStart hexRecType
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HiLink hexDataByteCount Constant
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hi def hexAddressFieldUnknown term=italic cterm=italic gui=italic
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HiLink hexDataAddress Comment
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HiLink hexNoAddress DiffAdd
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HiLink hexRecTypeUnknown hexRecType
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HiLink hexRecType WarningMsg
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hi def hexDataFieldUnknown term=italic cterm=italic gui=italic
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hi def hexDataOdd term=bold cterm=bold gui=bold
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hi def hexDataEven term=NONE cterm=NONE gui=NONE
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HiLink hexDataUnexpected Error
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HiLink hexExtendedAddress hexDataAddress
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HiLink hexStartAddress hexDataAddress
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HiLink hexChecksum DiffChange
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2014-07-10 21:05:51 -07:00
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2017-04-28 12:06:44 -07:00
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delcommand HiLink
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2014-07-10 21:05:51 -07:00
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let b:current_syntax = "hex"
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" vim: ts=8
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