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52d14a2f59
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Add parameterize fix, let-values, case=>, arithmetic, FS/system builtins, tracing, SRFI-64
Correctness:
- Fix parameterize: was restoring current value instead of saved old value
- Add let-values and let*-values special forms (R7RS multi-value binding)
- Update case macro to handle (datum... => proc) clauses
Numeric tower:
- truncate-quotient, truncate-remainder, floor-quotient, floor-remainder
- square, exact-integer?
Vectors:
- vector-copy now accepts optional start/end bounds
- vector-copy! for destination-vector mutation
File system and system interface:
- file-exists?, delete-file, rename-file, current-directory,
set-current-directory!, directory-files, make-directory,
file-size, file-directory?, file-regular?
- command-line, get-environment-variable, current-time,
current-jiffy, jiffies-per-second, flush-output-port
Debuggability:
- Call stack tracing: _call_stack captured in LispErr.call_stack
_call() pushes/pops frames; REPL prints last 5 frames on error
- trace/untrace macros + make-traced/untrace-proc builtins
(set! f (make-traced f 'f)) wraps f to print args and return values
stdlib.lsp:
- SRFI-64 lightweight test framework: test-begin, test-end,
test-assert, test-equal, test-error macros
Tests: 455 → 491 (+36 new tests)
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2026-04-13 13:32:11 -04:00 |
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f72190d2dc
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Initial implementation of uncommonlisp
Single-file Scheme-like Lisp interpreter in Python with:
- TCO via explicit while loop (no Python stack overflow at any depth)
- syntax-rules with ellipsis for hygienic macros
- define-macro for procedural macros
- Full numeric tower, strings, chars, vectors, hash tables
- SRFI-1 list library
- call/cc (escape continuations), values, dynamic-wind, guard
- Python interop (py-eval, py-import, py-call, py-attr)
- 396 passing unit/integration/functional tests
- stdlib.lsp with 60+ utility functions
- Benchmark suite vs CPython baseline
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2026-04-13 11:01:04 -04:00 |
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