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path: root/src/lisp/ao_lisp_rep.c
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* altos/lisp: Finish first pass through r7rsKeith Packard2017-11-17
| | | | | | | | | | * print -> write, patom -> display * Add read-char, write-char * Add exit, current-jiffy, current-second, jiffies-per-second * Add for-each and string-for-each * Avoid duplicate builtins with different atoms Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/lisp: Add scheme-style bools (#t and #f)Keith Packard2017-11-16
| | | | | | Cond and while compare against #f, just like scheme says to. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Escape lisp REP loop with () inputKeith Packard2017-04-09
| | | | | | | Provide a way to get out of a lisp read-eval-print loop that can be easily input from the keyboard. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/lisp: Make read() return eof atom on end of fileKeith Packard2017-02-20
| | | | | | Also make it an exception to hit eof in the middle of an sexpr. Signed-off-by: Keith Packard <keithp@keithp.com>
* altos: Add lambda support to lispKeith Packard2017-02-20
| | | | Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/lisp: add set/setq and ' in readerKeith Packard2017-02-20
| | | | | | Along with other small fixes Signed-off-by: Keith Packard <keithp@keithp.com>
* altos/lisp: Change lisp objects to use ao_poly everywhere. Add constKeith Packard2017-02-20
This makes all lisp objects use 16-bit ints for references so we can hold more stuff in small amounts of memory. Also adds a separate constant pool of lisp objects for builtins, initial atoms and constant lisp code. Now builds (and runs!) on the nucleo-32 boards. Signed-off-by: Keith Packard <keithp@keithp.com>
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