diff options
Diffstat (limited to 'context/data/textadept/context/lexers/scite-context-lexer-bibtex.lua')
| -rw-r--r-- | context/data/textadept/context/lexers/scite-context-lexer-bibtex.lua | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/context/data/textadept/context/lexers/scite-context-lexer-bibtex.lua b/context/data/textadept/context/lexers/scite-context-lexer-bibtex.lua deleted file mode 100644 index b53da82ea..000000000 --- a/context/data/textadept/context/lexers/scite-context-lexer-bibtex.lua +++ /dev/null @@ -1,195 +0,0 @@ -local info = { - version = 1.002, - comment = "scintilla lpeg lexer for bibtex", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files", -} - -local global, string, table, lpeg = _G, string, table, lpeg -local P, R, S, V = lpeg.P, lpeg.R, lpeg.S, lpeg.V -local type = type - -local lexer = require("scite-context-lexer") -local context = lexer.context -local patterns = context.patterns - -local token = lexer.token -local exact_match = lexer.exact_match - -local bibtexlexer = lexer.new("bib","scite-context-lexer-bibtex") -local whitespace = bibtexlexer.whitespace - -local escape, left, right = P("\\"), P('{'), P('}') - -patterns.balanced = P { - [1] = ((escape * (left+right)) + (1 - (left+right)) + V(2))^0, - [2] = left * V(1) * right -} - --- taken from bibl-bib.lua - -local anything = patterns.anything -local percent = P("%") -local start = P("@") -local comma = P(",") -local hash = P("#") -local escape = P("\\") -local single = P("'") -local double = P('"') -local left = P('{') -local right = P('}') -local lineending = S("\n\r") -local space = S(" \t\n\r\f") -local spaces = space^1 -local equal = P("=") - -local keyword = (R("az","AZ","09") + S("@_:-"))^1 ------ s_quoted = ((escape*single) + spaces + (1-single))^0 ------ d_quoted = ((escape*double) + spaces + (1-double))^0 -local s_quoted = ((escape*single) + (1-single))^0 -local d_quoted = ((escape*double) + (1-double))^0 - -local balanced = patterns.balanced - -local t_spacing = token(whitespace, space^1) -local t_optionalws = token("default", space^1)^0 - -local t_equal = token("operator",equal) -local t_left = token("grouping",left) -local t_right = token("grouping",right) -local t_comma = token("operator",comma) -local t_hash = token("operator",hash) - -local t_s_value = token("operator",single) - * token("text",s_quoted) - * token("operator",single) -local t_d_value = token("operator",double) - * token("text",d_quoted) - * token("operator",double) -local t_b_value = token("operator",left) - * token("text",balanced) - * token("operator",right) -local t_r_value = token("text",keyword) - -local t_keyword = token("keyword",keyword) -local t_key = token("command",keyword) -local t_label = token("warning",keyword) - -local t_somevalue = t_s_value + t_d_value + t_b_value + t_r_value -local t_value = t_somevalue - * ((t_optionalws * t_hash * t_optionalws) * t_somevalue)^0 - -local t_assignment = t_optionalws - * t_key - * t_optionalws - * t_equal - * t_optionalws - * t_value - -local t_shortcut = t_keyword - * t_optionalws - * t_left - * t_optionalws - * (t_assignment * t_comma^0)^0 - * t_optionalws - * t_right - -local t_definition = t_keyword - * t_optionalws - * t_left - * t_optionalws - * t_label - * t_optionalws - * t_comma - * (t_assignment * t_comma^0)^0 - * t_optionalws - * t_right - -local t_comment = t_keyword - * t_optionalws - * t_left - * token("text",(1-t_right)^0) - * t_optionalws - * t_right - -local t_forget = token("comment",percent^1 * (1-lineending)^0) - -local t_rest = token("default",anything) - --- this kind of lexing seems impossible as the size of the buffer passed to the lexer is not --- large enough .. but we can cheat and use this: --- --- function OnOpen(filename) editor:Colourise(1,editor.TextLength) end -- or is it 0? - --- somehow lexing fails on this more complex lexer when we insert something, there is no --- backtracking to whitespace when we have no embedded lexer, so we fake one ... this works --- to some extend but not in all cases (e.g. editing inside line fails) .. maybe i need to --- patch the dll ... (better not) - -local dummylexer = lexer.load("scite-context-lexer-dummy","bib-dum") - -local dummystart = token("embedded",P("\001")) -- an unlikely to be used character -local dummystop = token("embedded",P("\002")) -- an unlikely to be used character - -lexer.embed_lexer(bibtexlexer,dummylexer,dummystart,dummystop) - --- maybe we need to define each functional block as lexer (some 4) so i'll do that when --- this issue is persistent ... maybe consider making a local lexer options (not load, --- just lexer.new or so) .. or maybe do the reverse, embed the main one in a dummy child - -bibtexlexer._rules = { - { "whitespace", t_spacing }, - { "forget", t_forget }, - { "shortcut", t_shortcut }, - { "definition", t_definition }, - { "comment", t_comment }, - { "rest", t_rest }, -} - --- local t_assignment = t_key --- * t_optionalws --- * t_equal --- * t_optionalws --- * t_value --- --- local t_shortcut = t_keyword --- * t_optionalws --- * t_left --- --- local t_definition = t_keyword --- * t_optionalws --- * t_left --- * t_optionalws --- * t_label --- * t_optionalws --- * t_comma --- --- bibtexlexer._rules = { --- { "whitespace", t_spacing }, --- { "assignment", t_assignment }, --- { "definition", t_definition }, --- { "shortcut", t_shortcut }, --- { "right", t_right }, --- { "comma", t_comma }, --- { "forget", t_forget }, --- { "comment", t_comment }, --- { "rest", t_rest }, --- } - -bibtexlexer._tokenstyles = context.styleset - -bibtexlexer._foldpattern = P("{") + P("}") - -bibtexlexer._foldsymbols = { - _patterns = { - "{", - "}", - }, - ["grouping"] = { - ["{"] = 1, - ["}"] = -1, - }, -} - -return bibtexlexer |