diff options
Diffstat (limited to 'context/data/scite/lexers/scite-context-lexer-web.lua')
| -rw-r--r-- | context/data/scite/lexers/scite-context-lexer-web.lua | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/context/data/scite/lexers/scite-context-lexer-web.lua b/context/data/scite/lexers/scite-context-lexer-web.lua new file mode 100644 index 000000000..72068ccb2 --- /dev/null +++ b/context/data/scite/lexers/scite-context-lexer-web.lua @@ -0,0 +1,150 @@ +local info = { + version = 1.002, + comment = "scintilla lpeg lexer for w", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files", +} + +-- this will be extended + +if not lexer._CONTEXTEXTENSIONS then require("scite-context-lexer") end + +local lexer = lexer +local token, style, colors, exact_match, no_style = lexer.token, lexer.style, lexer.colors, lexer.exact_match, lexer.style_nothing +local P, R, S, C, Cg, Cb, Cs, Cmt, lpegmatch = lpeg.P, lpeg.R, lpeg.S, lpeg.C, lpeg.Cg, lpeg.Cb, lpeg.Cs, lpeg.Cmt, lpeg.match +local setmetatable = setmetatable + +local weblexer = { _NAME = "web", _FILENAME = "scite-context-lexer-web" } +local whitespace = lexer.WHITESPACE +local context = lexer.context + +local keywords = { -- copied from cpp.lua + -- c + 'asm', 'auto', 'break', 'case', 'const', 'continue', 'default', 'do', 'else', + 'extern', 'false', 'for', 'goto', 'if', 'inline', 'register', 'return', + 'sizeof', 'static', 'switch', 'true', 'typedef', 'volatile', 'while', + 'restrict', + -- hm + '_Bool', '_Complex', '_Pragma', '_Imaginary', + -- c++. + 'catch', 'class', 'const_cast', 'delete', 'dynamic_cast', 'explicit', + 'export', 'friend', 'mutable', 'namespace', 'new', 'operator', 'private', + 'protected', 'public', 'signals', 'slots', 'reinterpret_cast', + 'static_assert', 'static_cast', 'template', 'this', 'throw', 'try', 'typeid', + 'typename', 'using', 'virtual' +} + +local datatypes = { -- copied from cpp.lua + 'bool', 'char', 'double', 'enum', 'float', 'int', 'long', 'short', 'signed', + 'struct', 'union', 'unsigned', 'void' +} + +local macros = { -- copied from cpp.lua + 'define', 'elif', 'else', 'endif', 'error', 'if', 'ifdef', 'ifndef', 'import', + 'include', 'line', 'pragma', 'undef', 'using', 'warning' +} + +local space = lexer.space -- S(" \n\r\t\f\v") +local any = lexer.any +local patterns = context.patterns +local restofline = patterns.restofline +local startofline = patterns.startofline + +local squote = P("'") +local dquote = P('"') +local escaped = P("\\") * P(1) +local slashes = P('//') +local begincomment = P("/*") +local endcomment = P("*/") +local percent = P("%") + +local spacing = token(whitespace, space^1) +local rest = token("default", any) + +local shortcomment = token("comment", slashes * restofline^0) +local longcomment = token("comment", begincomment * (1-endcomment)^0 * endcomment^-1) +local texcomment = token("comment", percent * restofline^0) + +local shortstring = token("quote", dquote) -- can be shared + * token("string", (escaped + (1-dquote))^0) + * token("quote", dquote) + + token("quote", squote) + * token("string", (escaped + (1-squote))^0) + * token("quote", squote) + +local integer = P("-")^-1 * (lexer.hex_num + lexer.dec_num) +local number = token("number", lexer.float + integer) + +local validword = R("AZ","az","__") * R("AZ","az","__","09")^0 + +local identifier = token("default",validword) + +local operator = token("special", S('+-*/%^!=<>;:{}[]().&|?~')) + +----- optionalspace = spacing^0 + +local p_keywords = exact_match(keywords ) +local p_datatypes = exact_match(datatypes) +local p_macros = exact_match(macros) + +local keyword = token("keyword", p_keywords) +local datatype = token("keyword", p_datatypes) +local identifier = token("default", validword) + +local macro = token("data", #P('#') * startofline * P('#') * S('\t ')^0 * p_macros) + +local beginweb = P("@") +local endweb = P("@c") + +local webcomment = token("comment", #beginweb * startofline * beginweb * (1-endweb)^0 * endweb) + +local texlexer = lexer.load('scite-context-lexer-tex') + +lexer.embed_lexer(weblexer, texlexer, #beginweb * startofline * token("comment",beginweb), token("comment",endweb)) + +weblexer._rules = { + { 'whitespace', spacing }, + { 'keyword', keyword }, + { 'type', datatype }, + { 'identifier', identifier }, + { 'string', shortstring }, + -- { 'webcomment', webcomment }, + { 'texcomment', texcomment }, + { 'longcomment', longcomment }, + { 'shortcomment', shortcomment }, + { 'number', number }, + { 'macro', macro }, + { 'operator', operator }, + { 'rest', rest }, +} + +weblexer._tokenstyles = context.styleset + +-- weblexer._foldsymbols = { +-- _patterns = { +-- -- '%l+', -- costly +-- '[{}]', +-- '/%*', +-- '%*/', +-- -- '//', +-- }, +-- ["macro"] = { +-- ['region'] = 1, +-- ['endregion'] = -1, +-- ['if'] = 1, +-- ['ifdef'] = 1, +-- ['ifndef'] = 1, +-- ['endif'] = -1, +-- }, +-- ["operator"] = { +-- ['{'] = 1, +-- ['}'] = -1, +-- }, +-- ["comment"] = { +-- ['/*'] = 1, +-- ['*/'] = -1, +-- } +-- } + +return weblexer |