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-rw-r--r--runtime/syntax/srec.vim83
1 files changed, 83 insertions, 0 deletions
diff --git a/runtime/syntax/srec.vim b/runtime/syntax/srec.vim
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+++ b/runtime/syntax/srec.vim
@@ -0,0 +1,83 @@
+" Vim syntax file
+" Language: Motorola S-Record
+" Maintainer: Markus Heidelberg <markus.heidelberg@web.de>
+" Last Change: 2015 Feb 24
+
+" Each record (line) is built as follows:
+"
+" field digits states
+"
+" +----------+
+" | start | 1 ('S') srecRecStart
+" +----------+
+" | type | 1 srecRecType, (srecRecTypeUnknown)
+" +----------+
+" | count | 2 srecByteCount
+" +----------+
+" | address | 4/6/8 srecNoAddress, srecDataAddress, srecRecCount, srecStartAddress, (srecAddressFieldUnknown)
+" +----------+
+" | data | 0..504/502/500 srecDataOdd, srecDataEven, (srecDataUnexpected)
+" +----------+
+" | checksum | 2 srecChecksum
+" +----------+
+"
+" States in parentheses in the upper format description indicate that they
+" should not appear in a valid file.
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+ finish
+endif
+
+syn match srecRecStart "^S"
+
+syn match srecRecTypeUnknown "^S." contains=srecRecStart
+syn match srecRecType "^S[0-35-9]" contains=srecRecStart
+
+syn match srecByteCount "^S.[0-9a-fA-F]\{2}" contains=srecRecTypeUnknown nextgroup=srecAddressFieldUnknown,srecChecksum
+syn match srecByteCount "^S[0-35-9][0-9a-fA-F]\{2}" contains=srecRecType
+
+syn match srecAddressFieldUnknown "[0-9a-fA-F]\{2}" contained nextgroup=srecAddressFieldUnknown,srecChecksum
+
+syn match srecNoAddress "^S0[0-9a-fA-F]\{6}" contains=srecByteCount nextgroup=srecDataOdd,srecChecksum
+syn match srecDataAddress "^S1[0-9a-fA-F]\{6}" contains=srecByteCount nextgroup=srecDataOdd,srecChecksum
+syn match srecDataAddress "^S2[0-9a-fA-F]\{8}" contains=srecByteCount nextgroup=srecDataOdd,srecChecksum
+syn match srecDataAddress "^S3[0-9a-fA-F]\{10}" contains=srecByteCount nextgroup=srecDataOdd,srecChecksum
+syn match srecRecCount "^S5[0-9a-fA-F]\{6}" contains=srecByteCount nextgroup=srecDataUnexpected,srecChecksum
+syn match srecRecCount "^S6[0-9a-fA-F]\{8}" contains=srecByteCount nextgroup=srecDataUnexpected,srecChecksum
+syn match srecStartAddress "^S7[0-9a-fA-F]\{10}" contains=srecByteCount nextgroup=srecDataUnexpected,srecChecksum
+syn match srecStartAddress "^S8[0-9a-fA-F]\{8}" contains=srecByteCount nextgroup=srecDataUnexpected,srecChecksum
+syn match srecStartAddress "^S9[0-9a-fA-F]\{6}" contains=srecByteCount nextgroup=srecDataUnexpected,srecChecksum
+
+" alternating highlight per byte for easier reading
+syn match srecDataOdd "[0-9a-fA-F]\{2}" contained nextgroup=srecDataEven,srecChecksum
+syn match srecDataEven "[0-9a-fA-F]\{2}" contained nextgroup=srecDataOdd,srecChecksum
+" data bytes which should not exist
+syn match srecDataUnexpected "[0-9a-fA-F]\{2}" contained nextgroup=srecDataUnexpected,srecChecksum
+" Data digit pair regex usage also results in only highlighting the checksum
+" if the number of data characters is even.
+
+syn match srecChecksum "[0-9a-fA-F]\{2}$" contained
+
+" Define the default highlighting.
+" Only when an item doesn't have highlighting yet
+
+" The default methods for highlighting. Can be overridden later
+hi def link srecRecStart srecRecType
+hi def link srecRecTypeUnknown srecRecType
+hi def link srecRecType WarningMsg
+hi def link srecByteCount Constant
+hi def srecAddressFieldUnknown term=italic cterm=italic gui=italic
+hi def link srecNoAddress DiffAdd
+hi def link srecDataAddress Comment
+hi def link srecRecCount srecNoAddress
+hi def link srecStartAddress srecDataAddress
+hi def srecDataOdd term=bold cterm=bold gui=bold
+hi def srecDataEven term=NONE cterm=NONE gui=NONE
+hi def link srecDataUnexpected Error
+hi def link srecChecksum DiffChange
+
+
+let b:current_syntax = "srec"
+
+" vim: ts=8