1" Vim syntax file 2" Language: MIX (Donald Knuth's assembly language used in TAOCP) 3" Maintainer: Wu Yongwei <[email protected]> 4" Filenames: *.mixal *.mix 5" Last Change: 2017-11-26 15:21:36 +0800 6 7" Quit when a syntax file was already loaded 8if exists("b:current_syntax") 9 finish 10endif 11 12let s:cpo_save = &cpo 13set cpo&vim 14 15syn case ignore 16 17" Special processing of ALF directive: implementations vary whether quotation 18" marks are needed 19syn match mixAlfParam #\s\{1,2\}"\?[^"]\{,5\}"\?# contains=mixString nextgroup=mixEndComment contained 20 21" Region for parameters 22syn match mixParam #[-+*/:=0-9a-z,()"]\+# contains=mixIdentifier,mixSpecial,mixNumber,mixString,mixLabel nextgroup=mixEndComment contained 23 24" Comment at the line end 25syn match mixEndComment ".*" contains=mixRegister contained 26 27" Identifier; must go before literals 28syn match mixIdentifier "[a-z0-9_]\+" contained 29 30" Literals 31syn match mixSpecial "[-+*/:=]" contained 32syn match mixNumber "[0-9]\+\>" contained 33syn region mixString start=+"+ skip=+\\"+ end=+"+ contained 34 35" Labels 36syn match mixLabel "^[a-z0-9_]\{,10\}\s\+" nextgroup=mixAlfSpecial,mixOpcode,mixDirective 37syn match mixLabel "[0-9][BF]" contained 38 39" Comments 40syn match mixComment "^\*.*" contains=mixRegister 41 42" Directives 43syn keyword mixDirective ORIG EQU CON END nextgroup=mixParam contained skipwhite 44syn keyword mixDirective ALF nextgroup=mixAlfParam contained 45 46" Opcodes 47syn keyword mixOpcode NOP HLT NUM CHAR FLOT FIX nextgroup=mixEndComment contained 48syn keyword mixOpcode FADD FSUB FMUL FDIV FCMP MOVE ADD SUB MUL DIV IOC IN OUT JRED JBUS JMP JSJ JOV JNOV JL JE JG JLE JNE JGE SLA SRA SLAX SRAX SLC SRC nextgroup=mixParam contained skipwhite 49syn keyword mixOpcode SLB SRB JAE JAO JXE JXO nextgroup=mixParam contained skipwhite 50 51syn match mixOpcode "LD[AX1-6]N\?\>" nextgroup=mixParam contained skipwhite 52syn match mixOpcode "ST[AX1-6JZ]\>" nextgroup=mixParam contained skipwhite 53syn match mixOpcode "EN[TN][AX1-6]\>" nextgroup=mixParam contained skipwhite 54syn match mixOpcode "INC[AX1-6]\>" nextgroup=mixParam contained skipwhite 55syn match mixOpcode "DEC[AX1-6]\>" nextgroup=mixParam contained skipwhite 56syn match mixOpcode "CMP[AX1-6]\>" nextgroup=mixParam contained skipwhite 57syn match mixOpcode "J[AX1-6]N\?[NZP]\>" nextgroup=mixParam contained skipwhite 58 59" Switch back to being case sensitive 60syn case match 61 62" Registers (only to be used in comments now) 63syn keyword mixRegister rA rX rI1 rI2 rI3 rI4 rI5 rI6 rJ contained 64 65" The default highlighting 66hi def link mixRegister Special 67hi def link mixLabel Define 68hi def link mixComment Comment 69hi def link mixEndComment Comment 70hi def link mixDirective Keyword 71hi def link mixOpcode Keyword 72 73hi def link mixSpecial Special 74hi def link mixNumber Number 75hi def link mixString String 76hi def link mixAlfParam String 77hi def link mixIdentifier Identifier 78 79let b:current_syntax = "mix" 80 81let &cpo = s:cpo_save 82unlet s:cpo_save 83 84" vim: ts=8 85