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Current Directory: /usr/share/vim/vim80/syntax
Viewing File: /usr/share/vim/vim80/syntax/logtalk.vim
" Vim syntax file
"
" Language:	Logtalk
" Maintainer:	Paulo Moura <pmoura@logtalk.org>
" Last Change:	February 4, 2012


" quit when a syntax file was already loaded
if exists("b:current_syntax")
	finish
endif

let s:cpo_save = &cpo
set cpo&vim

" Logtalk is case sensitive:

syn case match


" Logtalk variables

syn match   logtalkVariable		"\<\(\u\|_\)\(\w\)*\>"


" Logtalk clause functor

syn match	logtalkOperator		":-"


" Logtalk quoted atoms and strings

syn region	logtalkString		start=+"+	skip=+\\"+	end=+"+
syn region	logtalkAtom		start=+'+	skip=+\\'+	end=+'+		contains=logtalkEscapeSequence

syn match	logtalkEscapeSequence	contained	"\\\([\\abfnrtv\"\']\|\(x[a-fA-F0-9]\+\|[0-7]\+\)\\\)"


" Logtalk message sending operators

syn match	logtalkOperator		"::"
syn match	logtalkOperator		":"
syn match	logtalkOperator		"\^\^"


" Logtalk external call

syn region	logtalkExtCall		matchgroup=logtalkExtCallTag		start="{"		matchgroup=logtalkExtCallTag		end="}"		contains=ALL


" Logtalk opening entity directives

syn region	logtalkOpenEntityDir	matchgroup=logtalkOpenEntityDirTag	start=":- object("	matchgroup=logtalkOpenEntityDirTag	end=")\."	contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkString,logtalkAtom,logtalkEntityRel,logtalkLineComment
syn region	logtalkOpenEntityDir	matchgroup=logtalkOpenEntityDirTag	start=":- protocol("	matchgroup=logtalkOpenEntityDirTag	end=")\."	contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkEntityRel,logtalkLineComment
syn region	logtalkOpenEntityDir	matchgroup=logtalkOpenEntityDirTag	start=":- category("	matchgroup=logtalkOpenEntityDirTag	end=")\."	contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkEntityRel,logtalkLineComment


" Logtalk closing entity directives

syn match	logtalkCloseEntityDir	":- end_object\."
syn match	logtalkCloseEntityDir	":- end_protocol\."
syn match	logtalkCloseEntityDir	":- end_category\."


" Logtalk entity relations

syn region	logtalkEntityRel	matchgroup=logtalkEntityRelTag	start="instantiates("	matchgroup=logtalkEntityRelTag	end=")"		contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkString,logtalkAtom	contained
syn region	logtalkEntityRel	matchgroup=logtalkEntityRelTag	start="specializes("	matchgroup=logtalkEntityRelTag	end=")"		contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkString,logtalkAtom	contained
syn region	logtalkEntityRel	matchgroup=logtalkEntityRelTag	start="extends("	matchgroup=logtalkEntityRelTag	end=")"		contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkString,logtalkAtom	contained
syn region	logtalkEntityRel	matchgroup=logtalkEntityRelTag	start="imports("	matchgroup=logtalkEntityRelTag	end=")"		contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkString,logtalkAtom	contained
syn region	logtalkEntityRel	matchgroup=logtalkEntityRelTag	start="implements("	matchgroup=logtalkEntityRelTag	end=")"		contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkString,logtalkAtom	contained
syn region	logtalkEntityRel	matchgroup=logtalkEntityRelTag	start="complements("	matchgroup=logtalkEntityRelTag	end=")"		contains=logtalkEntity,logtalkVariable,logtalkNumber,logtalkOperator,logtalkString,logtalkAtom	contained


" Logtalk directives

syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- if("			matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- elif("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn match	logtalkDirTag		":- else\."
syn match	logtalkDirTag		":- endif\."
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- alias("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- calls("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- coinductive("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- encoding("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- initialization("	matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- info("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- mode("		matchgroup=logtalkDirTag	end=")\."	contains=logtalkOperator, logtalkAtom
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- dynamic("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn match	logtalkDirTag		":- dynamic\."
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- discontiguous("	matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- multifile("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- public("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- protected("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- private("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- meta_predicate("	matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- meta_non_terminal("	matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- op("			matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- set_logtalk_flag("	matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- synchronized("	matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn match	logtalkDirTag		":- synchronized\."
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- uses("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn match	logtalkDirTag		":- threaded\."


" Prolog directives

syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- ensure_loaded("	matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- include("     	matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- set_prolog_flag("	matchgroup=logtalkDirTag	end=")\."	contains=ALL


" Module directives

syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- module("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- export("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- reexport("		matchgroup=logtalkDirTag	end=")\."	contains=ALL
syn region	logtalkDir		matchgroup=logtalkDirTag	start=":- use_module("		matchgroup=logtalkDirTag	end=")\."	contains=ALL


" Logtalk built-in predicates

syn match	logtalkBuiltIn		"\<\(abolish\|c\(reate\|urrent\)\)_\(object\|protocol\|category\)\ze("

syn match	logtalkBuiltIn		"\<\(object\|protocol\|category\)_property\ze("

syn match	logtalkBuiltIn		"\<co\(mplements_object\|nforms_to_protocol\)\ze("
syn match	logtalkBuiltIn		"\<extends_\(object\|protocol\|category\)\ze("
syn match	logtalkBuiltIn		"\<imp\(orts_category\|lements_protocol\)\ze("
syn match	logtalkBuiltIn		"\<\(instantiat\|specializ\)es_class\ze("

syn match	logtalkBuiltIn		"\<\(abolish\|define\)_events\ze("
syn match	logtalkBuiltIn		"\<current_event\ze("

syn match	logtalkBuiltIn		"\<\(curren\|se\)t_logtalk_flag\ze("

syn match	logtalkBuiltIn		"\<logtalk_\(compile\|l\(ibrary_path\|oad\|oad_context\)\)\ze("

syn match	logtalkBuiltIn		"\<\(for\|retract\)all\ze("

syn match	logtalkBuiltIn		"\<threaded\(_\(call\|once\|ignore\|exit\|peek\|wait\|notify\)\)\?\ze("


" Logtalk built-in methods

syn match	logtalkBuiltInMethod	"\<parameter\ze("
syn match	logtalkBuiltInMethod	"\<se\(lf\|nder\)\ze("
syn match	logtalkBuiltInMethod	"\<this\ze("

syn match	logtalkBuiltInMethod	"\<current_predicate\ze("
syn match	logtalkBuiltInMethod	"\<predicate_property\ze("

syn match	logtalkBuiltInMethod	"\<a\(bolish\|ssert\(a\|z\)\)\ze("
syn match	logtalkBuiltInMethod	"\<clause\ze("
syn match	logtalkBuiltInMethod	"\<retract\(all\)\?\ze("

syn match	logtalkBuiltInMethod	"\<\(bag\|set\)of\ze("
syn match	logtalkBuiltInMethod	"\<f\(ind\|or\)all\ze("

syn match	logtalkBuiltInMethod	"\<before\ze("
syn match	logtalkBuiltInMethod	"\<after\ze("

syn match	logtalkBuiltInMethod	"\<expand_\(goal\|term\)\ze("
syn match	logtalkBuiltInMethod	"\<\(goal\|term\)_expansion\ze("
syn match	logtalkBuiltInMethod	"\<phrase\ze("


" Mode operators

syn match	logtalkOperator		"?"
syn match	logtalkOperator		"@"


" Control constructs

syn match	logtalkKeyword		"\<true\>"
syn match	logtalkKeyword		"\<fail\>"
syn match	logtalkKeyword		"\<ca\(ll\|tch\)\ze("
syn match	logtalkOperator		"!"
" syn match	logtalkOperator		","
syn match	logtalkOperator		";"
syn match	logtalkOperator		"-->"
syn match	logtalkOperator		"->"
syn match	logtalkKeyword		"\<throw\ze("


" Term unification

syn match	logtalkOperator		"="
syn match	logtalkKeyword		"\<unify_with_occurs_check\ze("
syn match	logtalkOperator		"\\="


" Term testing

syn match	logtalkKeyword		"\<var\ze("
syn match	logtalkKeyword		"\<atom\(ic\)\?\ze("
syn match	logtalkKeyword		"\<integer\ze("
syn match	logtalkKeyword		"\<float\ze("
syn match	logtalkKeyword		"\<c\(allable\|ompound\)\ze("
syn match	logtalkKeyword		"\<n\(onvar\|umber\)\ze("
syn match	logtalkKeyword		"\<ground\ze("


" Term comparison

syn match	logtalkKeyword		"\<compare\ze("
syn match	logtalkOperator		"@=<"
syn match	logtalkOperator		"=="
syn match	logtalkOperator		"\\=="
syn match	logtalkOperator		"@<"
syn match	logtalkOperator		"@>"
syn match	logtalkOperator		"@>="


" Term creation and decomposition

syn match	logtalkKeyword		"\<functor\ze("
syn match	logtalkKeyword		"\<arg\ze("
syn match	logtalkOperator		"=\.\."
syn match	logtalkKeyword		"\<copy_term\ze("
syn match	logtalkKeyword		"\<numbervars\ze("


" Arithemtic evaluation

syn match	logtalkOperator		"\<is\>"


" Arithemtic comparison

syn match	logtalkOperator		"=:="
syn match	logtalkOperator		"=\\="
syn match	logtalkOperator		"<"
syn match	logtalkOperator		"=<"
syn match	logtalkOperator		">"
syn match	logtalkOperator		">="


" Stream selection and control

syn match	logtalkKeyword		"\<\(curren\|se\)t_\(in\|out\)put\ze("
syn match	logtalkKeyword		"\<open\ze("
syn match	logtalkKeyword		"\<close\ze("
syn match	logtalkKeyword		"\<flush_output\ze("
syn match	logtalkKeyword		"\<flush_output\>"
syn match	logtalkKeyword		"\<stream_property\ze("
syn match	logtalkKeyword		"\<at_end_of_stream\ze("
syn match	logtalkKeyword		"\<at_end_of_stream\>"
syn match	logtalkKeyword		"\<set_stream_position\ze("


" Character and byte input/output

syn match	logtalkKeyword		"\<\(get\|p\(eek\|ut\)\)_\(c\(har\|ode\)\|byte\)\ze("
syn match	logtalkKeyword		"\<nl\ze("
syn match	logtalkKeyword		"\<nl\>"


" Term input/output

syn match	logtalkKeyword		"\<read\(_term\)\?\ze("
syn match	logtalkKeyword		"\<write\(q\|_\(canonical\|term\)\)\?\ze("
syn match	logtalkKeyword		"\<\(current_\)\?op\ze("
syn match	logtalkKeyword		"\<\(current_\)\?char_conversion\ze("


" Logic and control

syn match	logtalkOperator		"\\+"
syn match	logtalkKeyword		"\<ignore\ze("
syn match	logtalkKeyword		"\<once\ze("
syn match	logtalkKeyword		"\<repeat\>"


" Atomic term processing

syn match	logtalkKeyword		"\<atom_\(length\|c\(hars\|o\(ncat\|des\)\)\)\ze("
syn match	logtalkKeyword		"\<sub_atom\ze("
syn match	logtalkKeyword		"\<char_code\ze("
syn match	logtalkKeyword		"\<number_c\(har\|ode\)s\ze("


" Implementation defined hooks functions

syn match	logtalkKeyword		"\<\(curren\|se\)t_prolog_flag\ze("
syn match	logtalkKeyword		"\<halt\ze("
syn match	logtalkKeyword		"\<halt\>"


" Sorting

syn match	logtalkKeyword		"\<\(key\)\?sort\ze("


" Evaluable functors

syn match	logtalkOperator		"+"
syn match	logtalkOperator		"-"
syn match	logtalkOperator		"\*"
syn match	logtalkOperator		"//"
syn match	logtalkOperator		"/"
syn match	logtalkKeyword		"\<r\(ound\|em\)\ze("
syn match	logtalkKeyword		"\<e\>"
syn match	logtalkKeyword		"\<pi\>"
syn match	logtalkKeyword		"\<rem\>"
syn match	logtalkKeyword		"\<mod\ze("
syn match	logtalkKeyword		"\<mod\>"
syn match	logtalkKeyword		"\<abs\ze("
syn match	logtalkKeyword		"\<sign\ze("
syn match	logtalkKeyword		"\<flo\(or\|at\(_\(integer\|fractional\)_part\)\?\)\ze("
syn match	logtalkKeyword		"\<truncate\ze("
syn match	logtalkKeyword		"\<ceiling\ze("


" Other arithemtic functors

syn match	logtalkOperator		"\*\*"
syn match	logtalkKeyword		"\<s\(in\|qrt\)\ze("
syn match	logtalkKeyword		"\<cos\ze("
syn match	logtalkKeyword		"\<atan\ze("
syn match	logtalkKeyword		"\<exp\ze("
syn match	logtalkKeyword		"\<log\ze("


" Bitwise functors

syn match	logtalkOperator		">>"
syn match	logtalkOperator		"<<"
syn match	logtalkOperator		"/\\"
syn match	logtalkOperator		"\\/"
syn match	logtalkOperator		"\\"


" Logtalk list operator

syn match	logtalkOperator		"|"


" Logtalk existential quantifier operator

syn match	logtalkOperator		"\^"


" Logtalk numbers 

syn match	logtalkNumber		"\<\d\+\>"
syn match	logtalkNumber		"\<\d\+\.\d\+\>"
syn match	logtalkNumber		"\<\d\+[eE][-+]\=\d\+\>"
syn match	logtalkNumber		"\<\d\+\.\d\+[eE][-+]\=\d\+\>"
syn match	logtalkNumber		"\<0'.\|0''\|0'\"\>"
syn match	logtalkNumber		"\<0b[0-1]\+\>"
syn match	logtalkNumber		"\<0o\o\+\>"
syn match	logtalkNumber		"\<0x\x\+\>"


" Logtalk end-of-clause

syn match	logtalkOperator		"\."


" Logtalk comments

syn region	logtalkBlockComment	start="/\*"	end="\*/"	fold
syn match	logtalkLineComment	"%.*"

syn cluster	logtalkComment		contains=logtalkBlockComment,logtalkLineComment


" Logtalk conditional compilation folding

syn region logtalkIfContainer transparent keepend extend start=":- if(" end=":- endif\." containedin=ALLBUT,@logtalkComment contains=NONE
syn region logtalkIf transparent fold keepend start=":- if(" end=":- \(else\.\|elif(\)"ms=s-1,me=s-1 contained containedin=logtalkIfContainer nextgroup=logtalkElseIf,logtalkElse contains=TOP
syn region logtalkElseIf transparent fold keepend start=":- elif(" end=":- \(else\.\|elif(\)"ms=s-1,me=s-1 contained containedin=logtalkIfContainer nextgroup=logtalkElseIf,logtalkElse contains=TOP
syn region logtalkElse transparent fold keepend start=":- else\." end=":- endif\." contained containedin=logtalkIfContainer contains=TOP



" Logtalk entity folding

syn region logtalkEntity transparent fold keepend start=":- object(" end=":- end_object\." contains=ALL
syn region logtalkEntity transparent fold keepend start=":- protocol(" end=":- end_protocol\." contains=ALL
syn region logtalkEntity transparent fold keepend start=":- category(" end=":- end_category\." contains=ALL


syn sync ccomment logtalkBlockComment maxlines=50


" Define the default highlighting.
" Only when an item doesn't have highlighting yet

hi def link logtalkBlockComment	Comment
hi def link logtalkLineComment	Comment

hi def link logtalkOpenEntityDir	Normal
hi def link logtalkOpenEntityDirTag	PreProc

hi def link logtalkIfContainer	PreProc
hi def link logtalkIf		PreProc
hi def link logtalkElseIf		PreProc
hi def link logtalkElse		PreProc

hi def link logtalkEntity		Normal

hi def link logtalkEntityRel	Normal
hi def link logtalkEntityRelTag	PreProc

hi def link logtalkCloseEntityDir	PreProc

hi def link logtalkDir		Normal
hi def link logtalkDirTag		PreProc

hi def link logtalkAtom		String
hi def link logtalkString		String
hi def link logtalkEscapeSequence	SpecialChar

hi def link logtalkNumber		Number

hi def link logtalkKeyword		Keyword

hi def link logtalkBuiltIn		Keyword
hi def link logtalkBuiltInMethod	Keyword

hi def link logtalkOperator		Operator

hi def link logtalkExtCall		Normal
hi def link logtalkExtCallTag	Operator

hi def link logtalkVariable		Identifier



let b:current_syntax = "logtalk"

let &cpo = s:cpo_save
unlet s:cpo_save
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