Beta 0.20.0

This version may in some cases improve performance.

Added

Syntax

• Allow the + sign in a e-infix expression (such as 10e+3)

Flow control

• Add the break and return (value) syntax, which allows to return a certain value when breaking a loop.
• Add loop labels:
  • Using the syntax for:label, while:label or do:label, you can label your loops.
  • Using the syntax break:label and continue:label, you can break or continue an outer loop.

Builtins

• Add the is_object builtin function
• Add the is_constructor builtin function

Metas

• Add the appendNoneOnContinue meta
  • Takes no argument
  • If enabled, loops will append None to their result if there is a continue (see the Changed section)
• Add the appendNoneOnBreak meta
  • Takes no argument
  • If enabled, loops will append None to their result if there is a break (see the Changed section)

Command line interface

• Add the -i (or --interactive) CLI argument. Allows to run an interactive shell after executing
  a file, within the context of that file (i.e. with all the variables)

Technical and debug

• Add the print_time debug option: add debug.should_print_time (0 or 1), debug.print_time(), debug.stop_print_time(). This option prints the total time different parts of Nougaro took to complete.
• [Internal API] Add RecursionError, accessible in libs using RTRecursionError.
• [Internal API] Add Library Version, accessible through src.noug_version.LIB_VERSION. It is stored in the key "lib-version" in noug_version.json. It is currently 2.

Changed

Syntax

• Numbers can no longer have trailing underscore at the beginning or at the end.

Runtime

• Loops no longer append None to their result if there is a continue or break. Use appendNoneOnContinue and appendNoneOnBreak metas if you still want to do that.
• Rework completely equality and other comparisons to be more consistant
  • Functions, built-in functions, methods and module functions can now be equal (if they’re the same)
  • Same for objects and constructors
  • Strings can now be less than or equal to others, according to the alphabetical order.
    For instance, "foo" > "bar", and "hello" < "world".
  • <, <=, >, >= comparisons now crash when used on lists, modules, constructors, objects, any function, None.
  • and, or and xor now works properly with functions, methods, built-in functions
• Functions can now be converted to strings using str().
• Representation of the exit builtin function is now "Use exit(), CTRL+C (i.e. interrupt) or CTRL+D (i.e. EOF) to exit." instead of "<built-in function exit>".

Technical and debug

• debug.enable_all() and debug.disable_all() now also enable or disable the print_time debug option.
• Data version has been increased to 6.
• Version ID has been increased to 5.
• [Internal API] It is now possible to compare Nodes and Tokens. Use node1 == node2 or node1 != node2. Does not check pos_start and pos_end, so it is better than hash(node1) == hash(node2).
• [Build scripts] (Linux) The Nougaro version is now automatically fetched.

Writing libraries

• Modules written in Python now need to have a library version (__LIBRARY_VERSION__). If a module doesn’t have the same
  library version as the current Nougaro version, an error is thrown. Library version is currently 2.
• Libraries now need the is_eq method as described in documentation (TODO: update doc on release – the method is described but in a “in the future you will have to” box).

Removed

• Removed noug_version.phase_minor. Use noug_version.release_serial instead.

Fixed

• Fix position start of constructors in error messages.
• 10eanystringofcharacters-10 is no longer parsed to 10e-10, and throws an error instead.
• Fix a crash on maximum recursion depth exceeded.
• Fix a bug where you could have two parameters with the same name in a function definition.
• Start and end positions of xor are now correct.
• Accessing a variable no longer return a copy of the value, but directly the value instead. It allows things such as def return(object)->object; var return(a).b = 4 (this previously left a.b unchanged, it now properly updates it to 4)
• input_num now returns an integer if the entered value is an integer, otherwise it returns a float.
• Fix a crash when trying to print surrogates unicode characters (within a pair or not)