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shared/readline: Use MP_REGISTER_ROOT_POINTER().

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This uses MP_REGISTER_ROOT_POINTER() to register the readline_history root
pointer array used by shared/readline.c and removes the registration from
all mpconfigport.h files.

This also required adding a new MICROPY_READLINE_HISTORY_SIZE config option
since not all ports used the same sized array.

Signed-off-by: David Lechner <david@pybricks.com>
This commit is contained in:
David Lechner
2022-07-01 14:06:10 -05:00
committed by Damien George
parent fc3d7ae11b
commit 81dbea1ce3
28 changed files with 31 additions and 46 deletions
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docs/develop/porting.rst
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@@ -174,9 +174,6 @@ The following is an example of an ``mpconfigport.h`` file:
#define MP_STATE_PORT MP_STATE_VM
#define MICROPY_PORT_ROOT_POINTERS \
const char *readline_hist[8];
This configuration file contains machine-specific configurations including aspects like if different
MicroPython features should be enabled e.g. ``#define MICROPY_ENABLE_GC (1)``. Making this Setting
``(0)`` disables the feature.