Evaluator rewrite, diffing view and more

Documentation

A new documentation for ImHex (mainly the pattern language right now) is in the works and can be found here: https://imhex.werwolv.net/docs. It is a lot more detailed than the one found on the Wiki here and contains information about all the new features as well. Check it out!

Changelog

Additions

• Added support for loading multiple files/data sources simultaneously
• Added Binary Diffing view
• Added Quit ImHex option to File menu
• Added Follow system theme option
• Added Chinese (Simplified) Localization. Many thanks to @xtexChooser

Pattern Language

• Rewrote entire evaluation engine
  • Made Evaluator a lot simpler and faster
  • Function parameters now require a type definition
  • Strings may now be passed to functions using the str type
  • Added check to prevent huge arrays from being generated (can be overridden with a pragma)
  • Added cast expression
  • Added std::format
    • It and std::print now use libfmt / C++'s std::format syntax
  • Allow passing variables of custom types to functions
  • Added multi-variable declaration for functions
  • Many more under-the-hood changess
• [[format]] attribute to override the way values are displayed
• Added Unit tests
  • This will hopefully help with things breaking in the pattern language randomly
• Unnecessary semicolons are now ignored
• Added std::mem::read_string built-in function

Improvements

• **On Windows, resources are now placed in the AppData folder in addition to next to the executable``
• Fixed format-security warnings. Thanks to @russkel
• Moved all Hex Editor settings to the settings menu
• Restructured the settings menu into multiple tabs
• Fixed footer items jumping around a lot when updating
• Removed View suffix from all View names in the Views menu. Thanks to @xtexChooser
• Fixed pattern language evaluator "lagging" behind when Automatic evaluation is active

Bug fixes

• Fixed settings not being initialized correctly sometimes and causing crashes
  • No more crashes when settings have been set to invalid values
• Fixed recent files not updating properly
• Fixed Resize File option crashing
• Fixed crash when creating arrays with negative size.
• Fixed parent keyword not working correctly
• Fixed constants store page not getting cleared correctly on reload
• Fixed feedback button URL
• Fixed padding not working correctly
• Fixed enums not counting properly
• Fixed bitfields not respecting endian setting
• Fixed language selection combo box crashing in some circumstances
• Fixed settings menu closing when changing language
• Fixed Regex replacer tool
• Fixed TTY console crashing if no COM ports are available. Thanks to @xtexChooser

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