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2026-01-25
fix
Felix Perktold
2026-01-24
garbage collection
Felix Perktold
2026-01-24
start implementing mark&sweep
Felix Perktold
2026-01-18
factor out basic standard procedures (+, -, cons, car...) into separate module
Felix Perktold
2026-01-18
start writing psql module, start writing exercise 1 with that module, small ↵
Felix Perktold
header file changes as needed for module programming
2026-01-18
renamed builtins to procedures
Felix Perktold
2026-01-18
add module system to load .so with load_module builtin
Felix Perktold
2026-01-18
refactor lisp.h into public lisp_api.h and internal lisp.h
Felix Perktold
2025-12-23
rename eq? to equal?, fix syntax error on empty newline
Felix Perktold
2025-12-23
fix redefinition of symbols in env, cleanup
Felix Perktold
2025-12-22
refactor apply / eval, add reverse builtin
Felix Perktold
2025-12-22
tweaks
Felix Perktold
2025-12-22
add eq?, make make_nil() function singleton
Felix Perktold
2025-12-21
fix bug in apply, improve printing
Felix Perktold
2025-12-21
more pretty printing
Felix Perktold
2025-12-21
add builtins, add pretty printing for lists, fix erroneous symbol x not ↵
Felix Perktold
found for forms (define, lambda ...) add check for head->type == VT_SYMBOL on forms (so a string cannot be misinterpreted as a form symbol), move is_integer from lisp.y to lisp.h/lisp.c
2025-12-21
renamed enum values VALTYPE->VT, implemented lambdas, apply
Felix Perktold
2025-12-21
start implementing eval
Felix Perktold
2025-12-21
add environments for symbol definition/lookup
Felix Perktold
2025-12-20
init commit
Felix Perktold