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cyclone/CHANGELOG.md
Justin Ethier bf82a120a4 WIP
2016-10-14 00:22:04 -04:00

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Next Release (tentatively 0.2.1) - Date TBD

TODO: performance improvements need to improve both runtime speed and compiler optimizations TODO: SRFI 113

Features:

  • Added support for SRFI 106: a basic socket interface, and SRFI 128: Comparators.
  • Improved library support to recognize all of the import set forms: only, except, prefix, and rename.
  • Allow explicit renaming macros to be declared interactively. This is the first limited support for calling define-syntax from eval.
  • Added the get-environment-variables function from R7RS.

Bug Fixes

  • Improved macro hygiene support to properly rename temporary variables in the let-values macro.
  • Improve output of error by using write to output objects as they are represented in memory.
  • Check for duplicate lambda parameters during compilation.
  • Fixed an error that was being raised when calling (random-source-randomize! default-random-source) when using SRFI 27.
  • Raise an error if list->string encounters a list element that is not a character.

0.2 - September 7, 2016

Features:

  • Added the following libraries from R7RS-large red edition (data structures):
    • SRFI 1 list library
    • SRFI 133 vector library
    • SRFI 111 boxes
    • SRFI 117 mutable queues
    • SRFI 132 sorting library
  • Added SRFI 2, and-let*
  • Added parameterize from section 4.2.6 of R7RS to the (scheme base) library.
  • Added let-values and let*-values to (scheme base).
  • Added infinite?, finite?, and nan? to (scheme inexact).
  • Added string ports to (scheme base) - open-input-string, open-output-string, and get-output-string.
  • Added bytevector ports to (scheme base) - get-output-bytevector, open-input-bytevector, and open-output-bytevector.
  • Modified cyclone to also search the current working directory for built-in headers and libraries.

Bug Fixes:

  • Thanks to Mark Meyer, identified and fixed several segfaults in write and display.

  • Updated write to display escaped character sequences (EG: \t) instead of literal characters.

  • Prevent C compilation errors when building a program that only contains basic primitives or a constant at the top level.

  • Fixed the compiler to allow application of a function that can take any number of arguments. For example:

       ((lambda test (write test)) 1 2 3 4)

  • Updated eval to handle functions that take an optional number of arguments.

  • Updated number->string to omit leading zeros for binary conversions.

  • Fixed apply to use the proper semantics when receiving more than one data argument.

  • Changed the assoc and member functions to accept an optional comparison function, and modified both families of functions to be native Scheme functions instead of C primitives.

  • Allow libraries to contain multiple import, begin, and export sections.