" Vim syntax file " Language: GNU Assembler " Maintainer: Erik Wognsen <erik.wognsen@gmail.com> " Previous maintainer: " Kevin Dahlhausen <kdahlhaus@yahoo.com> " Last Change: 2012 Apr 09 " Thanks to Ori Avtalion for feedback on the comment markers! " For version 5.x: Clear all syntax items " For version 6.0 and later: 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 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 asmIdentifier "[a-z_][a-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 (Kevin) prefer to map it as decimal: syn match decNumber "0\+[1-7]\=[\t\n$,; ]" syn match decNumber "[1-9]\d*" syn match octNumber "0[0-7][0-7]\+" syn match hexNumber "0[xX][0-9a-fA-F]\+" syn match binNumber "0[bB][0-1]*" syn keyword asmTodo contained TODO " GAS supports one type of multi line comments: syn region asmComment start="/\*" end="\*/" contains=asmTodo " GAS (undocumentedly?) supports C++ style comments. Unlike in C/C++ however, " a backslash ending a C++ style comment does not extend the comment to the " next line (hence the syntax region does not define 'skip="\\$"') syn region asmComment start="//" end="$" keepend contains=asmTodo " Line comment characters depend on the target architecture and command line " options and some comments may double as logical line number directives or " preprocessor commands. This situation is described at " http://sourceware.org/binutils/docs-2.22/as/Comments.html " Some line comment characters have other meanings for other targets. For " example, .type directives may use the `@' character which is also an ARM " comment marker. " As a compromise to accommodate what I arbitrarily assume to be the most " frequently used features of the most popular architectures (and also the " non-GNU assembly languages that use this syntax file because their asm files " are also named *.asm), the following are used as line comment characters: syn match asmComment "[#;!|].*" contains=asmTodo " Side effects of this include: " - When `;' is used to separate statements on the same line (many targets " support this), all statements except the first get highlighted as " comments. As a remedy, remove `;' from the above. " - ARM comments are not highlighted correctly. For ARM, uncomment the " following two lines and comment the one above. "syn match asmComment "@.*" contains=asmTodo "syn match asmComment "^#.*" contains=asmTodo " Advanced users of specific architectures will probably want to change the " comment highlighting or use a specific, more comprehensive syntax file. 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]\+" syn case match " 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_asm_syntax_inits") if version < 508 let did_asm_syntax_inits = 1 command -nargs=+ HiLink hi link <args> else command -nargs=+ HiLink hi def link <args> endif " The default methods for highlighting. Can be overridden later HiLink asmSection Special HiLink asmLabel Label HiLink asmComment Comment HiLink asmTodo Todo HiLink asmDirective Statement HiLink asmInclude Include HiLink asmCond PreCondit HiLink asmMacro Macro HiLink hexNumber Number HiLink decNumber Number HiLink octNumber Number HiLink binNumber Number HiLink asmIdentifier Identifier HiLink asmType Type delcommand HiLink endif let b:current_syntax = "asm" let &cpo = s:cpo_save unlet s:cpo_save " vim: ts=8