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-- mod-version:3
local syntax = require "core.syntax"
local function table_merge(a, b)
local t = {}
for _, v in pairs(a) do table.insert(t, v) end
for _, v in pairs(b) do table.insert(t, v) end
return t
end
local python_symbols = {
["class"] = "keyword",
["finally"] = "keyword",
["is"] = "keyword",
["return"] = "keyword",
["continue"] = "keyword",
["for"] = "keyword",
["lambda"] = "keyword",
["try"] = "keyword",
["except"] = "keyword",
["def"] = "keyword",
["async"] = "keyword",
["await"] = "keyword",
["from"] = "keyword",
["nonlocal"] = "keyword",
["while"] = "keyword",
["and"] = "keyword",
["global"] = "keyword",
["not"] = "keyword",
["with"] = "keyword",
["as"] = "keyword",
["elif"] = "keyword",
["if"] = "keyword",
["or"] = "keyword",
["else"] = "keyword",
["match"] = "keyword",
["case"] = "keyword",
["import"] = "keyword",
["pass"] = "keyword",
["break"] = "keyword",
["in"] = "keyword",
["del"] = "keyword",
["raise"] = "keyword",
["yield"] = "keyword",
["assert"] = "keyword",
["self"] = "keyword2",
["None"] = "literal",
["True"] = "literal",
["False"] = "literal",
}
local python_fstring = {
patterns = {
{ pattern = "\\.", type = "string" },
{ pattern = '[^"\\{}\']+', type = "string" }
},
symbols = {}
}
local python_patterns = {
{ pattern = '[uUrR]%f["]', type = "keyword" },
{ pattern = { '[ruU]?"""', '"""', '\\' }, type = "string" },
{ pattern = { "[ruU]?'''", "'''", '\\' }, type = "string" },
{ pattern = { '[ruU]?"', '"', '\\' }, type = "string" },
{ pattern = { "[ruU]?'", "'", '\\' }, type = "string" },
{ pattern = { 'f"', '"', "\\" }, type = "string", syntax = python_fstring },
{ pattern = { "f'", "'", "\\" }, type = "string", syntax = python_fstring },
{ pattern = "%d+[%d%.eE_]*", type = "number" },
{ pattern = "0[xboXBO][%da-fA-F_]+", type = "number" },
{ pattern = "%.?%d+", type = "number" },
{ pattern = "%f[-%w_]-%f[%d%.]", type = "number" },
{ pattern = "[%+%-=/%*%^%%<>!~|&]", type = "operator" },
{ pattern = "[%a_][%w_]*%f[(]", type = "function" },
{ pattern = "[%a_][%w_]+", type = "symbol" },
}
local python_type = {
patterns = {
{ pattern = "|", type = "operator" },
{ pattern = "[%w_]+", type = "keyword2" },
{ pattern = "[%a_][%w_]+", type = "symbol" },
},
symbols = {
["None"] = "literal"
}
}
-- Add this line after in order for the recursion to work.
-- Makes sure that the square brackets are well balanced when capturing the syntax
-- (in order to make something like this work: Tuple[Tuple[int, str], float])
table.insert(python_type.patterns, 1, { pattern = { "%[", "%]" }, syntax = python_type })
-- For things like this_list = other_list[a:b:c]
local not_python_type = {
patterns = python_patterns,
symbols = python_symbols
}
table.insert(not_python_type.patterns, 1, { pattern = { "%[", "%]" }, syntax = not_python_type })
table.insert(not_python_type.patterns, 1, { pattern = { "{", "}" }, syntax = not_python_type })
table.insert(python_fstring.patterns, 1, { pattern = { "{", "}" }, syntax = not_python_type })
local python_func = {
patterns = table_merge({
{ pattern = { "->", "%f[:]" }, type = "operator", syntax = python_type },
{ pattern = { ":%s*", "%f[^%[%]%w_]" }, syntax = python_type },
}, python_patterns),
symbols = python_symbols
}
table.insert(python_func.patterns, 1, { pattern = { "%(", "%)" }, syntax = python_func })
syntax.add {
name = "Python",
files = { "%.py$", "%.pyw$", "%.rpy$", "%.pyi$" },
headers = "^#!.*[ /]python",
comment = "#",
block_comment = { '"""', '"""' },
patterns = table_merge({
{ pattern = "#.*", type = "comment" },
{ pattern = { '^%s*"""', '"""' }, type = "comment" },
{ pattern = { "%[", "%]" }, syntax = not_python_type },
{ pattern = { "{", "}" }, syntax = not_python_type },
{ pattern = { "^%s*()def%f[%s]", ":" }, type = { "normal", "keyword" }, syntax = python_func }, -- this and the following prevent one-liner highlight bugs
{ pattern = { "^%s*()for%f[%s]", ":" }, type = { "normal", "keyword" }, syntax = not_python_type },
{ pattern = { "^%s*()if%f[%s]", ":" }, type = { "normal", "keyword" }, syntax = not_python_type },
{ pattern = { "^%s*()elif%f[%s]", ":" }, type = { "normal", "keyword" }, syntax = not_python_type },
{ pattern = { "^%s*()while%f[%s]", ":" }, type = { "normal", "keyword" }, syntax = not_python_type },
{ pattern = { "^%s*()match%f[%s]", ":" }, type = { "normal", "keyword" }, syntax = not_python_type },
{ pattern = { "^%s*()case%f[%s]", ":" }, type = { "normal", "keyword" }, syntax = not_python_type },
{ pattern = { "^%s*()except%f[%s]", ":" }, type = { "normal", "keyword" }, syntax = not_python_type },
{ pattern = "else():", type = { "keyword", "normal" } },
{ pattern = "try():", type = { "keyword", "normal" } },
{ pattern = "lambda()%s.+:", type = { "keyword", "normal" } },
{ pattern = "class%s+()[%a_][%w_]+().*:", type = { "keyword", "keyword2", "normal" } },
{ pattern = { ":%s*", "%f[^%[%]%w_]"}, syntax = python_type },
}, python_patterns),
symbols = python_symbols
}
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