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This way it can be incorporated into multiple operating systems more easily.
Signed-off-by: Keith Packard <keithp@keithp.com>
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And lots of other changes, including freeing unreferenced atoms.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Instead of having a random set of stash arrays with explicit indices
used by callers, just have a general heap. Less error prone, and less code.
Signed-off-by: Keith Packard <keithp@keithp.com>
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AO_SCHEME_IS_CONST -> ao_scheme_is_const_addr
AO_SCHEME_IS_POOL -> ao_scheme_is_pool_addr
Provides better typechecking and avoids confusion with
ao_scheme_is_const inline (which takes an ao_poly instead of a void *)
Signed-off-by: Keith Packard <keithp@keithp.com>
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Unify output functions and add bool to switch between write and
display mode. Make that only affect strings (as per r⁷rs).
Use print recursion detection in frame and stack code, eliminating
PRINT flags in type field.
Signed-off-by: Keith Packard <keithp@keithp.com>
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After marking a set of memory chunks, it's possible that all of them
will be packed tight against 'top', in which case none of them will be
moving. In that case, gcc 7.2.0 appears to generate incorrect code
causing the loop to be abandoned, meaning that we don't actually
collect anything at all.
Add a quick short-circuit test just after the mark phase that skips
the code which wouldn't do anything in this case.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Allow applications to redefine these as desired, add more flexibility
in what the various memory debugging flags can do.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This flags any object being printed and checks before recursing to
avoid infinite loops.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This lets BIGINT be a primitive type, allowing it to use all 32 bits
for storage. This does make strings another byte longer, and also
slightly harder to deal with. It's a trade off.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Also includes some code to display stack usage during collect calls.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This provides for the creation of smaller versions of the interpreter,
leaving out options like floating point numbers and vectors.
Signed-off-by: Keith Packard <keithp@keithp.com>
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These are only collected for debug purposes, but can get quite large
if the interpreter runs for a while.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Constant time and smaller can be a feature.
Signed-off-by: Keith Packard <keithp@keithp.com>
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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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