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| -rw-r--r-- | runtime/syntax/asm.vim | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/runtime/syntax/asm.vim b/runtime/syntax/asm.vim new file mode 100644 index 0000000..73f283a --- /dev/null +++ b/runtime/syntax/asm.vim @@ -0,0 +1,164 @@ +" Vim syntax file +" Language: GNU Assembler +" Maintainer: Doug Kearns dougkearns@gmail.com +" Previous Maintainers: Erik Wognsen <erik.wognsen@gmail.com> +" Kevin Dahlhausen <kdahlhaus@yahoo.com> +" Contributors: Ori Avtalion, Lakshay Garg +" Last Change: 2020 Oct 31 + +" quit when a syntax file was already loaded +if 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 asmIdentifier "[a-z_][a-z0-9_]*" +syn match asmLabel "[a-z_][a-z0-9_]*:"he=e-1 + +" Various #'s as defined by GAS ref manual sec 3.6.2.1 +" Technically, the first asmDecimal 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 asmDecimal "\<0\+[1-7]\=\>" display +syn match asmDecimal "\<[1-9]\d*\>" display +syn match asmOctal "\<0[0-7][0-7]\+\>" display +syn match asmHexadecimal "\<0[xX][0-9a-fA-F]\+\>" display +syn match asmBinary "\<0[bB][0-1]\+\>" display + +syn match asmFloat "\<\d\+\.\d*\%(e[+-]\=\d\+\)\=\>" display +syn match asmFloat "\.\d\+\%(e[+-]\=\d\+\)\=\>" display +syn match asmFloat "\<\d\%(e[+-]\=\d\+\)\>" display +syn match asmFloat "[+-]\=Inf\>\|\<NaN\>" display + +syn match asmFloat "\%(0[edfghprs]\)[+-]\=\d*\%(\.\d\+\)\%(e[+-]\=\d\+\)\=" display +syn match asmFloat "\%(0[edfghprs]\)[+-]\=\d\+\%(\.\d\+\)\=\%(e[+-]\=\d\+\)\=" display +" Avoid fighting the hexadecimal match for unicorn-like '0x' prefixed floats +syn match asmFloat "\%(0x\)[+-]\=\d*\%(\.\d\+\)\%(e[+-]\=\d\+\)\=" display + +" Allow all characters to be escaped (and in strings) as these vary across +" architectures [See sec 3.6.1.1 Strings] +syn match asmCharacterEscape "\\." contained +syn match asmCharacter "'\\\=." contains=asmCharacterEscape + +syn match asmStringEscape "\\\_." contained +syn match asmStringEscape "\\\%(\o\{3}\|00[89]\)" contained display +syn match asmStringEscape "\\x\x\+" contained display + +syn region asmString start="\"" end="\"" skip="\\\\\|\\\"" contains=asmStringEscape + +syn keyword asmTodo contained TODO FIXME XXX NOTE + +" GAS supports one type of multi line comments: +syn region asmComment start="/\*" end="\*/" contains=asmTodo,@Spell + +" 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,@Spell + +" 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,@Spell + +" 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" + +" Assembler directives start with a '.' and may contain upper case (e.g., +" .ABORT), numbers (e.g., .p2align), dash (e.g., .app-file) and underscore in +" CFI directives (e.g., .cfi_startproc). This will also match labels starting +" with '.', including the GCC auto-generated '.L' labels. +syn match asmDirective "\.[A-Za-z][0-9A-Za-z-_]*" + +syn case match + +" 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 asmSection Special +hi def link asmLabel Label +hi def link asmComment Comment +hi def link asmTodo Todo +hi def link asmDirective Statement + +hi def link asmInclude Include +hi def link asmCond PreCondit +hi def link asmMacro Macro + +if exists('g:asm_legacy_syntax_groups') + hi def link hexNumber Number + hi def link decNumber Number + hi def link octNumber Number + hi def link binNumber Number + hi def link asmHexadecimal hexNumber + hi def link asmDecimal decNumber + hi def link asmOctal octNumber + hi def link asmBinary binNumber +else + hi def link asmHexadecimal Number + hi def link asmDecimal Number + hi def link asmOctal Number + hi def link asmBinary Number +endif +hi def link asmFloat Float + +hi def link asmString String +hi def link asmStringEscape Special +hi def link asmCharacter Character +hi def link asmCharacterEscape Special + +hi def link asmIdentifier Identifier +hi def link asmType Type + +let b:current_syntax = "asm" + +let &cpo = s:cpo_save +unlet s:cpo_save + +" vim: nowrap sw=2 sts=2 ts=8 noet |