mirror of
https://github.com/neovim/neovim.git
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131 lines
4.2 KiB
VimL
131 lines
4.2 KiB
VimL
" Vim syntax file
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" Language: GNU Assembler
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" Maintainer: Erik Wognsen <erik.wognsen@gmail.com>
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" Previous maintainer:
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" Kevin Dahlhausen <kdahlhaus@yahoo.com>
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" Last Change: 2014 Feb 04
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" Thanks to Ori Avtalion for feedback on the comment markers!
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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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finish
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endif
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let s:cpo_save = &cpo
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set cpo&vim
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syn case ignore
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" storage types
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syn match asmType "\.long"
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syn match asmType "\.ascii"
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syn match asmType "\.asciz"
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syn match asmType "\.byte"
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syn match asmType "\.double"
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syn match asmType "\.float"
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syn match asmType "\.hword"
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syn match asmType "\.int"
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syn match asmType "\.octa"
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syn match asmType "\.quad"
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syn match asmType "\.short"
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syn match asmType "\.single"
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syn match asmType "\.space"
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syn match asmType "\.string"
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syn match asmType "\.word"
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syn match asmLabel "[a-z_][a-z0-9_]*:"he=e-1
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syn match asmIdentifier "[a-z_][a-z0-9_]*"
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" Various #'s as defined by GAS ref manual sec 3.6.2.1
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" Technically, the first decNumber def is actually octal,
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" since the value of 0-7 octal is the same as 0-7 decimal,
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" I (Kevin) prefer to map it as decimal:
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syn match decNumber "0\+[1-7]\=[\t\n$,; ]"
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syn match decNumber "[1-9]\d*"
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syn match octNumber "0[0-7][0-7]\+"
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syn match hexNumber "0[xX][0-9a-fA-F]\+"
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syn match binNumber "0[bB][0-1]*"
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syn keyword asmTodo contained TODO
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" GAS supports one type of multi line comments:
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syn region asmComment start="/\*" end="\*/" contains=asmTodo
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" GAS (undocumentedly?) supports C++ style comments. Unlike in C/C++ however,
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" a backslash ending a C++ style comment does not extend the comment to the
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" next line (hence the syntax region does not define 'skip="\\$"')
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syn region asmComment start="//" end="$" keepend contains=asmTodo
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" Line comment characters depend on the target architecture and command line
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" options and some comments may double as logical line number directives or
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" preprocessor commands. This situation is described at
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" http://sourceware.org/binutils/docs-2.22/as/Comments.html
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" Some line comment characters have other meanings for other targets. For
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" example, .type directives may use the `@' character which is also an ARM
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" comment marker.
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" As a compromise to accommodate what I arbitrarily assume to be the most
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" frequently used features of the most popular architectures (and also the
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" non-GNU assembly languages that use this syntax file because their asm files
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" are also named *.asm), the following are used as line comment characters:
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syn match asmComment "[#;!|].*" contains=asmTodo
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" Side effects of this include:
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" - When `;' is used to separate statements on the same line (many targets
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" support this), all statements except the first get highlighted as
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" comments. As a remedy, remove `;' from the above.
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" - ARM comments are not highlighted correctly. For ARM, uncomment the
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" following two lines and comment the one above.
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"syn match asmComment "@.*" contains=asmTodo
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"syn match asmComment "^#.*" contains=asmTodo
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" Advanced users of specific architectures will probably want to change the
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" comment highlighting or use a specific, more comprehensive syntax file.
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syn match asmInclude "\.include"
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syn match asmCond "\.if"
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syn match asmCond "\.else"
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syn match asmCond "\.endif"
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syn match asmMacro "\.macro"
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syn match asmMacro "\.endm"
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" Assembler directives start with a '.' and may contain upper case (e.g.,
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" .ABORT), numbers (e.g., .p2align), dash (e.g., .app-file) and underscore in
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" CFI directives (e.g., .cfi_startproc). This will also match labels starting
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" with '.', including the GCC auto-generated '.L' labels.
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syn match asmDirective "\.[A-Za-z][0-9A-Za-z-_]*"
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syn case match
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" Define the default highlighting.
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" Only when an item doesn't have highlighting yet
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" The default methods for highlighting. Can be overridden later
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hi def link asmSection Special
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hi def link asmLabel Label
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hi def link asmComment Comment
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hi def link asmTodo Todo
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hi def link asmDirective Statement
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hi def link asmInclude Include
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hi def link asmCond PreCondit
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hi def link asmMacro Macro
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hi def link hexNumber Number
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hi def link decNumber Number
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hi def link octNumber Number
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hi def link binNumber Number
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hi def link asmIdentifier Identifier
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hi def link asmType Type
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let b:current_syntax = "asm"
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let &cpo = s:cpo_save
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unlet s:cpo_save
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" vim: ts=8
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