Loretta.Retargeting

A library as well as a console tool that re-targets code from one lua version to another

Progress

• FiveM Hash Strings (LuaSyntaxOptions.AcceptHashStrings)
• LuaJIT Identifier Special Characters (LuaSyntaxOptions.UseLuaJitIdentifierRules)
  • Warn on LuaJIT-only characters in identifiers
  • Rewrite identifiers to not use LuaJIT-only characters
• Bitwise Operators (LuaSyntaxOptions.AcceptBitwiseOperators)
  • Call the function from the bit library if it is available
  • Implement the bitwise operators using math operators in runtimes that don't have the bit library
• String Escapes
  • \z Escape (LuaSyntaxOptions.AcceptWhitespaceEscape)
  • \u Escape (LuaSyntaxOptions.AcceptUnicodeEscape)
  • \x Escape (LuaSyntaxOptions.AcceptHexEscapesInStrings)
• continue (LuaSyntaxOptions.ContinueType)
• Luau (Roblox Lua) if Expressions (LuaSyntaxOptions.AcceptIfExpressions)
• Integers
  • Binary (LuaSyntaxOptions.BinaryIntegerFormat)
  • Octal (LuaSyntaxOptions.OctalIntegerFormat)
  • Decimal (LuaSyntaxOptions.DecimalIntegerFormat)
  • Hexadecimal (LuaSyntaxOptions.HexIntegerFormat)
• Local Variable Attributes (LuaSyntaxOptions.AcceptLocalVariableAttributes)
• Underscore in Number Literals (LuaSyntaxOptions.AcceptUnderscoreInNumberLiterals)
• Luau Typed Lua (LuaSyntaxOptions.AcceptTypedLua)
• Invalid Escapes (LuaSyntaxOptions.AcceptInvalidEscapes)
• Shebang Handling (LuaSyntaxOptions.AcceptShebang)
• Compound Assignments (LuaSyntaxOptions.AcceptCompoundAssignment)
• Hexadecimal Float Literals (LuaSyntaxOptions.AcceptHexFloatLiterals)
• Number Bases
  • Binary (LuaSyntaxOptions.AcceptBinaryNumbers)
  • Octal (LuaSyntaxOptions.AcceptOctalNumbers)
• C Comment Syntax (LuaSyntaxOptions.AcceptCCommentSyntax)
• Floor Division (LuaSyntaxOptions.AcceptFloorDivision)
• LuaJIT Number Suffixes (LuaSyntaxOptions.AcceptLuaJITNumberSuffixes)
  • LL suffix
  • ULL suffix
  • i suffix
• C boolean operators (LuaSyntaxOptions.AcceptCBooleanOperators)
• goto (LuaSyntaxOptions.AcceptGoto)
• Empty Statements (LuaSyntaxOptions.AcceptEmptyStatements)