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114 lines
4.3 KiB
VimL
114 lines
4.3 KiB
VimL
" Vim syntax file
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" Language: PROLOG
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" Maintainer: Thomas Koehler <jean-luc@picard.franken.de>
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" Please be aware: I'm often slow to answer email due to a high
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" non-computer related workload (sometimes 4-8 weeks)
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" Last Change: 2016 September 6
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" URL: http://gott-gehabt.de/800_wer_wir_sind/thomas/Homepage/Computer/vim/syntax/prolog.vim
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" There are two sets of highlighting in here:
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" If the "prolog_highlighting_clean" variable exists, it is rather sparse.
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" Otherwise you get more highlighting.
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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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" Prolog is case sensitive.
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syn case match
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" Very simple highlighting for comments, clause heads and
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" character codes. It respects prolog strings and atoms.
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syn region prologCComment start=+/\*+ end=+\*/+
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syn match prologComment +%.*+
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syn keyword prologKeyword module meta_predicate multifile dynamic
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syn match prologCharCode +0'\\\=.+
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syn region prologString start=+"+ skip=+\\\\\|\\"+ end=+"+
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syn region prologAtom start=+'+ skip=+\\\\\|\\'+ end=+'+
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syn region prologClause matchgroup=prologClauseHead start=+^\s*[a-z]\w*+ matchgroup=Normal end=+\.\s\|\.$+ contains=ALLBUT,prologClause
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if !exists("prolog_highlighting_clean")
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" some keywords
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" some common predicates are also highlighted as keywords
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" is there a better solution?
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syn keyword prologKeyword abolish current_output peek_code
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syn keyword prologKeyword append current_predicate put_byte
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syn keyword prologKeyword arg current_prolog_flag put_char
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syn keyword prologKeyword asserta fail put_code
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syn keyword prologKeyword assertz findall read
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syn keyword prologKeyword at_end_of_stream float read_term
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syn keyword prologKeyword atom flush_output repeat
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syn keyword prologKeyword atom_chars functor retract
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syn keyword prologKeyword atom_codes get_byte set_input
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syn keyword prologKeyword atom_concat get_char set_output
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syn keyword prologKeyword atom_length get_code set_prolog_flag
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syn keyword prologKeyword atomic halt set_stream_position
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syn keyword prologKeyword bagof integer setof
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syn keyword prologKeyword call is stream_property
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syn keyword prologKeyword catch nl sub_atom
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syn keyword prologKeyword char_code nonvar throw
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syn keyword prologKeyword char_conversion number true
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syn keyword prologKeyword clause number_chars unify_with_occurs_check
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syn keyword prologKeyword close number_codes var
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syn keyword prologKeyword compound once write
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syn keyword prologKeyword copy_term op write_canonical
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syn keyword prologKeyword current_char_conversion open write_term
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syn keyword prologKeyword current_input peek_byte writeq
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syn keyword prologKeyword current_op peek_char
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syn match prologOperator "=\\=\|=:=\|\\==\|=<\|==\|>=\|\\=\|\\+\|<\|>\|="
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syn match prologAsIs "===\|\\===\|<=\|=>"
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syn match prologNumber "\<[0123456789]*\>'\@!"
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syn match prologCommentError "\*/"
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syn match prologSpecialCharacter ";"
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syn match prologSpecialCharacter "!"
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syn match prologSpecialCharacter ":-"
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syn match prologSpecialCharacter "-->"
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syn match prologQuestion "?-.*\." contains=prologNumber
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endif
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syn sync maxlines=50
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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 highlighting.
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hi def link prologComment Comment
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hi def link prologCComment Comment
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hi def link prologCharCode Special
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if exists ("prolog_highlighting_clean")
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hi def link prologKeyword Statement
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hi def link prologClauseHead Statement
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hi def link prologClause Normal
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else
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hi def link prologKeyword Keyword
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hi def link prologClauseHead Constant
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hi def link prologClause Normal
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hi def link prologQuestion PreProc
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hi def link prologSpecialCharacter Special
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hi def link prologNumber Number
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hi def link prologAsIs Normal
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hi def link prologCommentError Error
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hi def link prologAtom String
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hi def link prologString String
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hi def link prologOperator Operator
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endif
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let b:current_syntax = "prolog"
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" vim: ts=8
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