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CHANGELOG.md

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v1.0.0

What's New

  • Support all augmented assignments using the syntax op_<, such as +_< for +=. Formatter is also enhanced to eliminate whitespaces among the operators.

v0.8.0

What's New

  • The newly added function/module-level bytecode optimization can make lambdexes running faster.
  • Add support for the missing del_ keyword.

BugFix

Compiler

  • lambdex.utils.ast::ast_from_source should not modify lines list returned from inspect.getsourcelines() inplacely. (b3a1bd3)
  • Compiler should not assume that closure variables order of code object before and after compilation are compatible. Instead, compiler should be repsonsible to re-order the closure tuple when wrapping a code object. (61685b3)
  • lambda.ast_parser::_shallow_match_ast should further walk down to default value expressions once a Lambda node matched. (61685b3)

Formatter

  • IN_LBDX_LAMBDA state should end at the rightmost colon, instead of intermediate one. (a8c73a9)

v0.7.0

What's New

  • lambdex now supports function renaming! The feature could enhance readability for error traceback.
  • lxfmt now supports # lxfmt: on and # lxfmt: off for temporarily turning on/off formatting.

v0.6.0

What's New

  • Finally comes the corontine syntax! lambdex now supports the keywords async_def_, async_with_, async_for_ and await_.
  • Customized language features are now available! You can enable specific features to fit a preferrable style.

v0.5.0

What's New

Now we can access to the current lambdex via the callee_ keyword!

BugFix

Compiler

  • lambdex.utils.ast::source_from_ast should consider the probability that garbadge remains at the end of the source. (accc5a7)

v0.4.1

BugFix

Formatter

  • Windows batch scripts generated by lxfmt-mock should export LXALIAS=on. (d4c585e)

v0.4.0

What's New

lambdex is now supporting keyword and operator customization! See the docs for more details.

BugFix

Formatter

  • lambdex.fmt should ensure NEWLINE at the end when writing to stdout. (3cbc0fc)

CI

  • Fix missing target test_repl_ipython. (bb7e9d2)

v0.3.0

What's New

lambdex is now able to run in REPL! Currently three environments built-in Python REPL, IDLE and IPython (Jupyter) are supported.

BugFix

Compiler

  • Top-level script checking in lambdex/__init__.py should check the first frame that contains no 'importlib'. (6e1dfb8)
  • Top-level script checking in lambdex/__init__.py should not fail if site.getusersitepackages not available. (f174187)
  • lambdex.utils.ast::ast_from_source should not assume that lines are ending with line separators. (e6aa950)

v0.2.0

What's New

  • Support and tested on Python 3.5, 3.6, 3.7, 3.8, 3.9, 3.10-dev.
  • Improve the compile-time error messages.

BugFix

Compiler

  • Use sys instead of inspect to check current running environment (as executable or module) in lambdex/__init__.py. inspect has far more dependencies than sys, which may cause module name conflicts in lxfmt. (8a43346)
  • lambdex.utils.ast::is_lvalue should check recursively. L-value checking is also removed in lambdex.utils.ast::cast_to_lvalue. (55fbfb6, 8c801bd)
  • lambdex.utils.ast::check_compare should ensure that argument node is of type ast.Compare. (5fbe3d5)
  • Comparisons other than assignments should not raise a SyntaxError in body. This allows expressions like a > b to exist in body. (73c228d)
  • Default except_ should be the last exception handler. Otherwise a SyntaxError raised. (9091565)
  • Should raise a SyntaxError when finally_ has a clause head. (ee70df0)
  • Should raise a SyntaxError when unknown clause encountered in a try_ block. (16edff4)
  • Should raise a SyntaxError when Slice node found in ExtSlice node. This disallows code like if_[a:b][...]. (77d796f)

v0.1.0

What's New

Compiler

  • Add detailed compile-time and runtime error messages.

v0.0.1

What's New

Syntax Features

  • < assignments
  • if_, elif_, else_
  • for_, else_
  • while_, else_
  • try_, except_, else_, finally_
  • with_
  • nonlocal_, global_
  • pass_
  • return_
  • raise_, from_
  • yield_, yield_from_
  • Nested lambdex

Compiler

  • Bytecode caching

Formatter

  • CLI tool lxfmt
  • CLI tool lxfmt-mock