" Vim syntax file
" Language:	GNU Assembler
" Maintainer:	Kevin Dahlhausen <ap096@po.cwru.edu>
" Last Change:	1999 Jun 14

" Remove any old syntax stuff hanging around
syn clear

syn case ignore


" storage types
syn match asmType "\.long"
syn match asmType "\.ascii"
syn match asmType "\.asciz"
syn match asmType "\.byte"
syn match asmType "\.double"
syn match asmType "\.float"
syn match asmType "\.hword"
syn match asmType "\.int"
syn match asmType "\.octa"
syn match asmType "\.quad"
syn match asmType "\.short"
syn match asmType "\.single"
syn match asmType "\.space"
syn match asmType "\.string"
syn match asmType "\.word"

syn match asmLabel		"[a-z_][a-z0-9_]*:"he=e-1
syn match asmReg		"\%[a-zA_Z0-9]*"
syn match asmIdentifier		"[a-z_][a-z0-9_]*"
syn match asmConstant		"\$[a-zA-Z0-9_]*"

" Various #'s as defined by GAS ref manual sec 3.6.2.1
" Technically, the first decNumber def is actually octal,
" since the value of 0-7 octal is the same as 0-7 decimal,
" I prefer to map it as decimal:
syn match decNumber		"0\+[1-7]\=[\t\n$,; ]"
syn match decNumber		"[1-9]\d*"
syn match octNumber		"0[0-7][0-7]\+"
syn match hexNumber		"0[xX][0-9a-fA-F]\+"
syn match binNumber		"0[bB][0-1]*"


syn match asmSpecialComment	";\*\*\*.*"
syn match asmComment		"/*"hs=s+1

syn match asmInclude		"\.include"
syn match asmCond		"\.if"
syn match asmCond		"\.else"
syn match asmCond		"\.endif"
syn match asmMacro		"\.macro"
syn match asmMacro		"\.endm"

syn match asmDirective		"\.[a-z][a-z]\+"


" the following is copy 'n pasted from c.vim
syn keyword	cTodo		contained TODO FIXME XXX

" cCommentGroup allows adding matches for special things in comments
syn cluster	cCommentGroup	contains=cTodo

" String and Character constants
" Highlight special characters (those which have a backslash) differently
syn match	cSpecial	contained "\\\(x\x\+\|\o\{1,3}\|.\|$\)"
if !exists("c_no_utf")
  syn match	cSpecial	contained "\\\(u\x\{4}\|U\x\{8}\)"
endif
if exists("c_no_cformat")
  syn region	cString		start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial
  " cCppString: same as cString, but ends at end of line
  syn region	cCppString	start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial
else
  syn match	cFormat		"%\(\d\+\$\)\=[-+' #0*]*\(\d*\|\*\|\*\d\+\$\)\(\.\(\d*\|\*\|\*\d\+\$\)\)\=\([hlL]\|ll\)\=\([diuoxXfeEgGcCsSpn]\|\[\^\=.[^]]*\]\)" contained
  syn match	cFormat		"%%" contained
  syn region	cString		start=+L\="+ skip=+\\\\\|\\"+ end=+"+ contains=cSpecial,cFormat
  " cCppString: same as cString, but ends at end of line
  syn region	cCppString	start=+L\="+ skip=+\\\\\|\\"\|\\$+ excludenl end=+"+ end='$' contains=cSpecial,cFormat
  hi link cFormat cSpecial
endif
hi link cCppString cString

syn match	cCharacter	"L\='[^\\]'"
syn match	cCharacter	"L'[^']*'" contains=cSpecial
syn match	cSpecialError	"L\='\\[^'\"?\\abfnrtv]'"
syn match	cSpecialCharacter "L\='\\['\"?\\abfnrtv]'"
syn match	cSpecialCharacter "L\='\\\o\{1,3}'"
syn match	cSpecialCharacter "'\\x\x\{1,2}'"
syn match	cSpecialCharacter "L'\\x\x\+'"

syn match	cCommentSkip	contained "^\s*\*\($\|\s\+\)"
syn region	cCommentString	contained start=+L\="+ skip=+\\\\\|\\"+ end=+"+ end=+\*/+me=s-1 contains=cSpecial,cCommentSkip
syn region	cComment2String	contained start=+L\="+ skip=+\\\\\|\\"+ end=+"+ end="$" contains=cSpecial
syn region	cCommentL	start="//" skip="\\$" end="$" keepend contains=@cCommentGroup,cComment2String,cCharacter,cNumbersCom,cSpaceError
syn region	cComment	start="/\*" end="\*/" contains=@cCommentGroup,cCommentString,cCharacter,cNumbersCom,cSpaceError

syn case match

if !exists("did_asm_syntax_inits")
  let did_asm_syntax_inits = 1

  " The default methods for highlighting.  Can be overridden later
  hi link asmSection	Special
  hi link asmLabel	Label
  hi link asmComment	Comment
  hi link asmDirective	Statement

  hi link asmInclude	Include
  hi link asmCond	PreCondit
  hi link asmMacro	Macro

  hi link hexNumber	Number
  hi link decNumber	Number
  hi link octNumber	Number
  hi link binNumber	Number

  " My default color overrides:
  hi asmSpecialComment ctermfg=red
  hi asmIdentifier ctermfg=black
  hi asmReg ctermfg=blue
  hi asmType ctermfg=brown
  hi asmConstant ctermfg=darkred
  hi cComment ctermfg=darkcyan
  hi cCommentString ctermfg=darkred

endif

let b:current_syntax = "asms"