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Diffstat (limited to 'runtime/syntax/prolog.vim')
| -rw-r--r-- | runtime/syntax/prolog.vim | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/runtime/syntax/prolog.vim b/runtime/syntax/prolog.vim new file mode 100644 index 000000000..2ca1cfa44 --- /dev/null +++ b/runtime/syntax/prolog.vim @@ -0,0 +1,120 @@ +" Vim syntax file +" Language: PROLOG +" Maintainers: Ralph Becket <rwab1@cam.sri.co.uk>, +" Thomas Koehler <jean-luc@picard.franken.de> +" Last Change: 2003 May 11 +" URL: http://jeanluc-picard.de/vim/syntax/prolog.vim + +" There are two sets of highlighting in here: +" If the "prolog_highlighting_clean" variable exists, it is rather sparse. +" Otherwise you get more highlighting. + +" Quit when a syntax file was already loaded +if version < 600 + syntax clear +elseif exists("b:current_syntax") + finish +endif + +" Prolog is case sensitive. +syn case match + +" Very simple highlighting for comments, clause heads and +" character codes. It respects prolog strings and atoms. + +syn region prologCComment start=+/\*+ end=+\*/+ +syn match prologComment +%.*+ + +syn keyword prologKeyword module meta_predicate multifile dynamic +syn match prologCharCode +0'\\\=.+ +syn region prologString start=+"+ skip=+\\"+ end=+"+ +syn region prologAtom start=+'+ skip=+\\'+ end=+'+ +syn region prologClauseHead start=+^[a-z][^(]*(+ skip=+\.[^ ]+ end=+:-\|\.$\|\.[ ]\|-->+ + +if !exists("prolog_highlighting_clean") + + " some keywords + " some common predicates are also highlighted as keywords + " is there a better solution? + syn keyword prologKeyword abolish current_output peek_code + syn keyword prologKeyword append current_predicate put_byte + syn keyword prologKeyword arg current_prolog_flag put_char + syn keyword prologKeyword asserta fail put_code + syn keyword prologKeyword assertz findall read + syn keyword prologKeyword at_end_of_stream float read_term + syn keyword prologKeyword atom flush_output repeat + syn keyword prologKeyword atom_chars functor retract + syn keyword prologKeyword atom_codes get_byte set_input + syn keyword prologKeyword atom_concat get_char set_output + syn keyword prologKeyword atom_length get_code set_prolog_flag + syn keyword prologKeyword atomic halt set_stream_position + syn keyword prologKeyword bagof integer setof + syn keyword prologKeyword call is stream_property + syn keyword prologKeyword catch nl sub_atom + syn keyword prologKeyword char_code nonvar throw + syn keyword prologKeyword char_conversion number true + syn keyword prologKeyword clause number_chars unify_with_occurs_check + syn keyword prologKeyword close number_codes var + syn keyword prologKeyword compound once write + syn keyword prologKeyword copy_term op write_canonical + syn keyword prologKeyword current_char_conversion open write_term + syn keyword prologKeyword current_input peek_byte writeq + syn keyword prologKeyword current_op peek_char + + syn match prologOperator "=\\=\|=:=\|\\==\|=<\|==\|>=\|\\=\|\\+\|<\|>\|=" + syn match prologAsIs "===\|\\===\|<=\|=>" + + syn match prologNumber "\<[0123456789]*\>" + syn match prologCommentError "\*/" + syn match prologSpecialCharacter ";" + syn match prologSpecialCharacter "!" + syn match prologQuestion "?-.*\." contains=prologNumber + + +endif + +syn sync ccomment maxlines=50 + + +" 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_prolog_syn_inits") + if version < 508 + let did_prolog_syn_inits = 1 + command -nargs=+ HiLink hi link <args> + else + command -nargs=+ HiLink hi def link <args> + endif + + " The default highlighting. + HiLink prologComment Comment + HiLink prologCComment Comment + HiLink prologCharCode Special + + if exists ("prolog_highlighting_clean") + + HiLink prologKeyword Statement + HiLink prologClauseHead Statement + + else + + HiLink prologKeyword Keyword + HiLink prologClauseHead Constant + HiLink prologQuestion PreProc + HiLink prologSpecialCharacter Special + HiLink prologNumber Number + HiLink prologAsIs Normal + HiLink prologCommentError Error + HiLink prologAtom String + HiLink prologString String + HiLink prologOperator Operator + + endif + + delcommand HiLink +endif + +let b:current_syntax = "prolog" + +" vim: ts=8 |