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lib/lua: add isKeyword and isIdentifier

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Allow testing whether a string is a valid lua identifier or a reserved
keyword.
This commit is contained in:
Matt Sturgeon 2024-06-26 11:38:54 +01:00
parent b64ee08d6b
commit 01cf43dbaa
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GPG key ID: 4F91844CED1A8299
3 changed files with 118 additions and 3 deletions
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84
tests/lib-tests.nix
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@ -6,6 +6,45 @@
helpers,
}:
let
luaNames = {
# Keywords in lua 5.1
keywords = [
"and"
"break"
"do"
"else"
"elseif"
"end"
"false"
"for"
"function"
"if"
"in"
"local"
"nil"
"not"
"or"
"repeat"
"return"
"then"
"true"
"until"
"while"
];
identifiers = [
"validIdentifier"
"valid_identifier"
"_also_valid_"
"_weirdNameFMT"
];
other = [
"1_starts_with_digit"
"01234"
"12340"
"kebab-case"
];
};
results = pkgs.lib.runTests {
testToLuaObject = {
expr = helpers.toLuaObject {
@ -114,6 +153,51 @@ let
expected = ''{["c"] = { },["d"] = {["g"] = { }}}'';
};
testIsLuaKeyword = {
expr = builtins.mapAttrs (_: builtins.filter helpers.lua.isKeyword) luaNames;
expected = {
keywords = [
"and"
"break"
"do"
"else"
"elseif"
"end"
"false"
"for"
"function"
"if"
"in"
"local"
"nil"
"not"
"or"
"repeat"
"return"
"then"
"true"
"until"
"while"
];
identifiers = [ ];
other = [ ];
};
};
testIsLuaIdentifier = {
expr = builtins.mapAttrs (_: builtins.filter helpers.lua.isIdentifier) luaNames;
expected = {
keywords = [ ];
identifiers = [
"validIdentifier"
"valid_identifier"
"_also_valid_"
"_weirdNameFMT"
];
other = [ ];
};
};
testUpperFirstChar = {
expr = map helpers.upperFirstChar [
"foo"