diff options
Diffstat (limited to 'context/data/scite/context/lexers/scite-context-lexer-web.lua')
| -rw-r--r-- | context/data/scite/context/lexers/scite-context-lexer-web.lua | 65 |
1 files changed, 42 insertions, 23 deletions
diff --git a/context/data/scite/context/lexers/scite-context-lexer-web.lua b/context/data/scite/context/lexers/scite-context-lexer-web.lua index 81a6f90df..6325e3693 100644 --- a/context/data/scite/context/lexers/scite-context-lexer-web.lua +++ b/context/data/scite/context/lexers/scite-context-lexer-web.lua @@ -8,25 +8,23 @@ local info = { local P, R, S = lpeg.P, lpeg.R, lpeg.S -local lexer = require("scite-context-lexer") -local context = lexer.context -local patterns = context.patterns +local lexers = require("scite-context-lexer") -local token = lexer.token -local exact_match = lexer.exact_match +local patterns = lexers.patterns +local token = lexers.token -local weblexer = lexer.new("web","scite-context-lexer-web") -local whitespace = weblexer.whitespace +local weblexer = lexers.new("web","scite-context-lexer-web") +local webwhitespace = weblexer.whitespace local space = patterns.space -- S(" \n\r\t\f\v") local any = patterns.any local restofline = patterns.restofline -local startofline = patterns.startofline +local eol = patterns.eol local period = P(".") local percent = P("%") -local spacing = token(whitespace, space^1) +local spacing = token(webwhitespace, space^1) local rest = token("default", any) local eop = P("@>") @@ -35,33 +33,54 @@ local eos = eop * P("+")^-1 * P("=") -- we can put some of the next in the web-snippets file -- is f okay here? -local texcomment = token("comment", percent * restofline^0) +-- This one is hard to handle partial because trailing spaces are part of the tex part as well +-- as the c part so they are bound to that. We could have some special sync signal like a label +-- with space-like properties (more checking then) or styles that act as boundary (basically any +-- style + 128 or so). A sunday afternoon challenge. Maybe some newline trickery? Or tag lines +-- which is possible in scite. Or how about a function hook: foolexer.backtracker(str) where str +-- matches at the beginning of a line: foolexer.backtracker("@ @c") or a pattern, maybe even a +-- match from start. -local texpart = token("label",P("@")) * #spacing +-- local backtracker = ((lpeg.Cp() * lpeg.P("@ @c")) / function(p) n = p end + lpeg.P(1))^1 +-- local c = os.clock() print(#s) print(lpeg.match(backtracker,s)) print(n) print(c) + +-- local backtracker = (lpeg.Cmt(lpeg.P("@ @c"),function(_,p) n = p end) + lpeg.P(1))^1 +-- local c = os.clock() print(#s) print(lpeg.match(backtracker,s)) print(n) print(c) + +----- somespace = spacing +----- somespace = token("whitespace",space^1) +local somespace = space^1 + +local texpart = token("label",P("@")) * #somespace + token("label",P("@") * P("*")^1) * token("function",(1-period)^1) * token("label",period) -local midpart = token("label",P("@d")) * #spacing - + token("label",P("@f")) * #spacing -local cpppart = token("label",P("@c")) * #spacing - + token("label",P("@p")) * #spacing +local midpart = token("label",P("@d")) * #somespace + + token("label",P("@f")) * #somespace +local cpppart = token("label",P("@c")) * #somespace + + token("label",P("@p")) * #somespace + token("label",P("@") * S("<(")) * token("function",(1-eop)^1) * token("label",eos) local anypart = P("@") * ( P("*")^1 + S("dfcp") + space^1 + S("<(") * (1-eop)^1 * eos ) local limbo = 1 - anypart - percent -local texlexer = lexer.load("scite-context-lexer-tex-web") -local cpplexer = lexer.load("scite-context-lexer-cpp-web") +weblexer.backtracker = eol^1 * P("@ @c") +-- weblexer.foretracker = (space-eol)^0 * eol^1 * P("@") * space + anypart +weblexer.foretracker = anypart -lexer.embed_lexer(weblexer, texlexer, texpart + limbo, #anypart) -lexer.embed_lexer(weblexer, cpplexer, cpppart + midpart, #anypart) +local texlexer = lexers.load("scite-context-lexer-tex-web") +local cpplexer = lexers.load("scite-context-lexer-cpp-web") -local texcomment = token("comment", percent * restofline^0) +-- local texlexer = lexers.load("scite-context-lexer-tex") +-- local cpplexer = lexers.load("scite-context-lexer-cpp") -weblexer._rules = { +lexers.embed(weblexer, texlexer, texpart + limbo, #anypart) +lexers.embed(weblexer, cpplexer, cpppart + midpart, #anypart) + +local texcomment = token("comment", percent * restofline^0) + +weblexer.rules = { { "whitespace", spacing }, { "texcomment", texcomment }, -- else issues with first tex section { "rest", rest }, } -weblexer._tokenstyles = context.styleset - return weblexer |