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53 lines
2.8 KiB
Markdown
53 lines
2.8 KiB
Markdown
# Next Release (tentatively 0.2.1) - Date TBD
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TODO: performance improvements
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need to improve both runtime speed and compiler optimizations
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TODO: SRFI 113
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Features:
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- Added support for SRFI 106: a basic socket interface, and SRFI 128: Comparators.
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- Improved library support to recognize all of the import set forms: `only`, `except`, `prefix`, and `rename`.
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- Allow explicit renaming macros to be declared interactively. This is the first limited support for calling `define-syntax` from `eval`.
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- Added the `get-environment-variables` function from R7RS.
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Bug Fixes
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- Improved macro hygiene support to properly rename temporary variables in the `let-values` macro.
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- Improve output of `error` by using `write` to output objects as they are represented in memory.
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- Check for duplicate lambda parameters during compilation.
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- Fixed an error that was being raised when calling `(random-source-randomize! default-random-source)` when using SRFI 27.
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- Raise an error if `list->string` encounters a list element that is not a character.
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# 0.2 - September 7, 2016
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Features:
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- Added the following libraries from R7RS-large red edition (data structures):
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- SRFI 1 list library
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- SRFI 133 vector library
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- SRFI 111 boxes
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- SRFI 117 mutable queues
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- SRFI 132 sorting library
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- Added SRFI 2, `and-let*`
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- Added `parameterize` from section 4.2.6 of R7RS to the `(scheme base)` library.
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- Added ` let-values` and ` let*-values` to `(scheme base)`.
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- Added `infinite?`, `finite?`, and `nan?` to `(scheme inexact)`.
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- Added string ports to `(scheme base)` - `open-input-string`, `open-output-string`, and `get-output-string`.
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- Added bytevector ports to `(scheme base)` - `get-output-bytevector`, `open-input-bytevector`, and `open-output-bytevector`.
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- Modified `cyclone` to also search the current working directory for built-in headers and libraries.
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Bug Fixes:
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- Thanks to Mark Meyer, identified and fixed several segfaults in `write` and `display`.
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- Updated `write` to display escaped character sequences (EG: `\t`) instead of literal characters.
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- Prevent C compilation errors when building a program that only contains basic primitives or a constant at the top level.
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- Fixed the compiler to allow application of a function that can take any number of arguments. For example:
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((lambda test (write test)) 1 2 3 4)
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- Updated `eval` to handle functions that take an optional number of arguments.
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- Updated `number->string` to omit leading zeros for binary conversions.
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- Fixed `apply` to use the proper semantics when receiving more than one data argument.
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- 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.
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- Allow libraries to contain multiple `import`, `begin`, and `export` sections.
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