159 lines
4.8 KiB
Lua
159 lines
4.8 KiB
Lua
local syntax = {}
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syntax.items = {}
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local plain_text_syntax = { patterns = {}, symbols = {} }
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local function matches_pattern(text, pattern)
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if type(pattern) == "string" then
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return text:find(pattern)
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end
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for _, p in ipairs(pattern) do
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if matches_pattern(text, p) then return true end
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end
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return false
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end
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function syntax.add(t)
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table.insert(syntax.items, t)
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end
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function syntax.get(filename)
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for i = #syntax.items, 1, -1 do
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local t = syntax.items[i]
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if matches_pattern(filename, t.files) then
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return t
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end
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end
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return plain_text_syntax
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end
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syntax.add {
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files = "%.lua$",
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comment = "--",
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patterns = {
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{ pattern = { '"', '"', '\\' }, type = "string" },
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{ pattern = { "'", "'", '\\' }, type = "string" },
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{ pattern = { "%[%[", "%]%]" }, type = "string" },
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{ pattern = { "--%[%[", "%]%]"}, type = "comment" },
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{ pattern = "%-%-.-\n", type = "comment" },
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{ pattern = "-?0x%x+", type = "number" },
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{ pattern = "-?%d+[%d%.eE]*", type = "number" },
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{ pattern = "-?%.?%d+", type = "number" },
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{ pattern = "%.%.%.?", type = "operator" },
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{ pattern = "[<>~=]=", type = "operator" },
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{ pattern = "[%+%-=/%*%^%%#<>]", type = "operator" },
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{ pattern = "[%a_][%w_]*%s*%f[(\"{]", type = "function" },
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{ pattern = "[%a_][%w_]*", type = "symbol" },
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},
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symbols = {
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["if"] = "keyword",
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["then"] = "keyword",
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["else"] = "keyword",
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["elseif"] = "keyword",
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["end"] = "keyword",
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["do"] = "keyword",
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["function"] = "keyword",
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["repeat"] = "keyword",
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["until"] = "keyword",
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["while"] = "keyword",
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["for"] = "keyword",
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["break"] = "keyword",
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["return"] = "keyword",
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["local"] = "keyword",
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["in"] = "keyword",
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["not"] = "keyword",
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["and"] = "keyword",
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["or"] = "keyword",
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["self"] = "keyword2",
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["true"] = "literal",
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["false"] = "literal",
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["nil"] = "literal",
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},
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}
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syntax.add {
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files = { "%.c$", "%.h$", "%.inl$", "%.cpp$", "%.hpp$" },
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comment = "//",
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patterns = {
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{ pattern = "//.-\n", type = "comment" },
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{ pattern = { "/%*", "%*/" }, type = "comment" },
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{ pattern = { "#", "[^\\]\n" }, type = "comment" },
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{ pattern = { '"', '"', '\\' }, type = "string" },
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{ pattern = { "'", "'", '\\' }, type = "string" },
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{ pattern = "-?0x%x+", type = "number" },
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{ pattern = "-?%d+[%d%.eE]*f?", type = "number" },
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{ pattern = "-?%.?%d+f?", type = "number" },
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{ pattern = "[%+%-=/%*%^%%<>!~|&]", type = "operator" },
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{ pattern = "[%a_][%w_]*%f[(]", type = "function" },
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{ pattern = "[%a_][%w_]*", type = "symbol" },
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},
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symbols = {
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["if"] = "keyword",
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["then"] = "keyword",
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["else"] = "keyword",
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["elseif"] = "keyword",
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["do"] = "keyword",
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["while"] = "keyword",
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["for"] = "keyword",
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["break"] = "keyword",
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["continue"] = "keyword",
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["return"] = "keyword",
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["goto"] = "keyword",
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["struct"] = "keyword",
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["union"] = "keyword",
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["typedef"] = "keyword",
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["enum"] = "keyword",
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["extern"] = "keyword",
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["static"] = "keyword",
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["volatile"] = "keyword",
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["const"] = "keyword",
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["inline"] = "keyword",
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["switch"] = "keyword",
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["case"] = "keyword",
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["default"] = "keyword",
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["auto"] = "keyword",
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["const"] = "keyword",
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["void"] = "keyword",
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["int"] = "keyword2",
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["short"] = "keyword2",
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["long"] = "keyword2",
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["float"] = "keyword2",
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["double"] = "keyword2",
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["char"] = "keyword2",
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["unsigned"] = "keyword2",
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["bool"] = "keyword2",
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["true"] = "literal",
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["false"] = "literal",
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["NULL"] = "literal",
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},
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}
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syntax.add {
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files = { "%.md$", "%.markdown$" },
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patterns = {
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{ pattern = "\\.", type = "normal" },
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{ pattern = { "<!%-%-", "%-%->" }, type = "comment" },
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{ pattern = { "```", "```" }, type = "string" },
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{ pattern = { "`", "`", "\\" }, type = "string" },
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{ pattern = { "~~", "~~", "\\" }, type = "keyword2" },
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{ pattern = "%-%-%-+", type = "comment" },
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{ pattern = "%*%s+", type = "operator" },
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{ pattern = { "%*", "[%*\n]", "\\" }, type = "operator" },
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{ pattern = { "%_", "[%_\n]", "\\" }, type = "keyword2" },
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{ pattern = "#.-\n", type = "keyword" },
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{ pattern = "!?%[.*%]%(.*%)", type = "function" },
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{ pattern = "https?://%S+", type = "function" },
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},
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symbols = { },
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}
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return syntax
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