diff options
Diffstat (limited to 'context/data/textadept/context/lexers/scite-context-lexer-pdf-object.lua')
| -rw-r--r-- | context/data/textadept/context/lexers/scite-context-lexer-pdf-object.lua | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/context/data/textadept/context/lexers/scite-context-lexer-pdf-object.lua b/context/data/textadept/context/lexers/scite-context-lexer-pdf-object.lua deleted file mode 100644 index 155a9bd51..000000000 --- a/context/data/textadept/context/lexers/scite-context-lexer-pdf-object.lua +++ /dev/null @@ -1,136 +0,0 @@ -local info = { - version = 1.002, - comment = "scintilla lpeg lexer for pdf objects", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files", -} - --- no longer used: nesting lexers with whitespace in start/stop is unreliable - -local P, R, S, C, V = lpeg.P, lpeg.R, lpeg.S, lpeg.C, lpeg.V - -local lexer = require("scite-context-lexer") -local context = lexer.context -local patterns = context.patterns - -local token = lexer.token - -local pdfobjectlexer = lexer.new("pdfobj","scite-context-lexer-pdf-object") -local whitespace = pdfobjectlexer.whitespace - -local space = patterns.space -local spacing = patterns.spacing -local nospacing = patterns.nospacing -local anything = patterns.anything -local newline = patterns.eol -local real = patterns.real -local cardinal = patterns.cardinal - -local lparent = P("(") -local rparent = P(")") -local langle = P("<") -local rangle = P(">") -local escape = P("\\") -local unicodetrigger = P("feff") - -local nametoken = 1 - space - S("<>/[]()") -local name = P("/") * nametoken^1 - -local p_string = P { ( escape * anything + lparent * V(1) * rparent + (1 - rparent) )^0 } - -local t_spacing = token(whitespace, spacing) -local t_spaces = token(whitespace, spacing)^0 -local t_rest = token("default", nospacing) -- anything - -local p_stream = P("stream") -local p_endstream = P("endstream") -local p_obj = P("obj") -local p_endobj = P("endobj") -local p_reference = P("R") - -local p_objectnumber = patterns.cardinal -local p_comment = P("%") * (1-S("\n\r"))^0 - -local t_string = token("quote", lparent) - * token("string", p_string) - * token("quote", rparent) -local t_unicode = token("quote", langle) - * token("plain", unicodetrigger) - * token("string", (1-rangle)^1) - * token("quote", rangle) -local t_whatsit = token("quote", langle) - * token("string", (1-rangle)^1) - * token("quote", rangle) -local t_keyword = token("command", name) -local t_constant = token("constant", name) -local t_number = token("number", real) --- t_reference = token("number", cardinal) --- * t_spacing --- * token("number", cardinal) -local t_reserved = token("number", P("true") + P("false") + P("NULL")) -local t_reference = token("warning", cardinal) - * t_spacing - * token("warning", cardinal) - * t_spacing - * token("keyword", p_reference) - -local t_comment = token("comment", p_comment) - -local t_openobject = token("warning", p_objectnumber * spacing) --- * t_spacing - * token("warning", p_objectnumber * spacing) --- * t_spacing - * token("keyword", p_obj) -local t_closeobject = token("keyword", p_endobj) - -local t_opendictionary = token("grouping", P("<<")) -local t_closedictionary = token("grouping", P(">>")) - -local t_openarray = token("grouping", P("[")) -local t_closearray = token("grouping", P("]")) - --- todo: comment - -local t_stream = token("keyword", p_stream) --- * token("default", newline * (1-newline*p_endstream*newline)^1 * newline) --- * token("text", (1 - p_endstream)^1) - * (token("text", (1 - p_endstream-spacing)^1) + t_spacing)^1 - * token("keyword", p_endstream) - -local t_dictionary = { "dictionary", - dictionary = t_opendictionary * (t_spaces * t_keyword * t_spaces * V("whatever"))^0 * t_spaces * t_closedictionary, - array = t_openarray * (t_spaces * V("whatever"))^0 * t_spaces * t_closearray, - whatever = V("dictionary") + V("array") + t_constant + t_reference + t_string + t_unicode + t_number + t_reserved + t_whatsit, - } - ------ t_object = { "object", -- weird that we need to catch the end here (probably otherwise an invalid lpeg) ------ object = t_spaces * (V("dictionary") * t_spaces * t_stream^-1 + V("array") + V("number") + t_spaces) * t_spaces * t_closeobject, ------ dictionary = t_opendictionary * (t_spaces * t_keyword * t_spaces * V("whatever"))^0 * t_spaces * t_closedictionary, ------ array = t_openarray * (t_spaces * V("whatever"))^0 * t_spaces * t_closearray, ------ whatever = V("dictionary") + V("array") + t_constant + t_reference + t_string + t_unicode + t_number + t_reserved + t_whatsit, ------ number = t_number, ------ } - -local t_object = { "object", -- weird that we need to catch the end here (probably otherwise an invalid lpeg) - dictionary = t_dictionary.dictionary, - array = t_dictionary.array, - whatever = t_dictionary.whatever, - object = t_openobject^-1 * t_spaces * (V("dictionary") * t_spaces * t_stream^-1 + V("array") + V("number") + t_spaces) * t_spaces * t_closeobject, - number = t_number, - } - -pdfobjectlexer._shared = { - dictionary = t_dictionary, - object = t_object, - stream = t_stream, -} - -pdfobjectlexer._rules = { - { "whitespace", t_spacing }, -- in fact, here we don't want whitespace as it's top level lexer work - { "object", t_object }, -} - -pdfobjectlexer._tokenstyles = context.styleset - -return pdfobjectlexer |