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local info = {
version = 1.003,
comment = "scintilla lpeg lexer for web",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files",
}
local P, R, S = lpeg.P, lpeg.R, lpeg.S
local lexer = require("lexer")
local context = lexer.context
local patterns = context.patterns
local token = lexer.token
local exact_match = lexer.exact_match
local weblexer = lexer.new("web","scite-context-lexer-web")
local whitespace = 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 period = P(".")
local percent = P("%")
local spacing = token(whitespace, space^1)
local rest = token("default", any)
local eop = P("@>")
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)
local texpart = token("label",P("@")) * #spacing
+ 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
+ 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")
lexer.embed_lexer(weblexer, texlexer, texpart + limbo, #anypart)
lexer.embed_lexer(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
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