lite-hearted/data/core/syntax.lua

159 lines
4.8 KiB
Lua

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