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Constant block is now built in a subdir to avoid messing up source
directory.
Renamed to ao_scheme to reflect language target.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Split read debug into a separate #define to reduce debug noise
Add some memory validation -- validate stash API, and validate
cons_free calls.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This lets the frame be resized without moving the base structure. The
plan is to allow all frames to be resized, not just the global frame.
Signed-off-by: Keith Packard <keithp@keithp.com>
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* 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>
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This provides call/cc and makes 'stacks' visible to the application.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Instead of always returning 'nil', let while return the last body
value.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Useful for debugging
Signed-off-by: Keith Packard <keithp@keithp.com>
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This saves a pile more use of the allocator by noting when frames have
not been referenced from another frame and freeing them when they go
out of scope. Frames with references are left to the allocator to deal
with.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Progn as a builtin will help with tail-recursion.
while provides for loops until tail-recursion works :-)
read and eval are kinda useful.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Needed an extra stack frame to stash the pre-macro state. This
simplified macro processing quite a bit; a macro now just evaluates
the function and then sends that result to be evaluated again.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Not working yet
Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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