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doc: fix formatting

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Signed-off-by: Donald Lee <dlqs@gmx.com>
This commit is contained in:
Donald Lee 2021-06-28 05:38:23 +08:00
parent 19eee398d4
commit a9a8bb1c9e
1 changed files with 10 additions and 5 deletions
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15
doc/developer/scripting.rst
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@ -246,6 +246,7 @@ Again, for ``struct prefix``:
} }
.. warning:: .. warning::
``lua_decode_prefix`` functions should leave the Lua stack completely empty ``lua_decode_prefix`` functions should leave the Lua stack completely empty
when they return. when they return.
For decoders that unmarshall fields from tables, remember to pop the table For decoders that unmarshall fields from tables, remember to pop the table
@ -287,18 +288,22 @@ structures.
To register a new type with its corresponding encoding and decoding functions, To register a new type with its corresponding encoding and decoding functions,
add the mapping in the following macros in ``frrscript.h``: add the mapping in the following macros in ``frrscript.h``:
.. code-block:: c .. code-block:: diff
#define ENCODE_ARGS_WITH_STATE(L, value) \ #define ENCODE_ARGS_WITH_STATE(L, value) \
_Generic((value), \ _Generic((value), \
... ...
struct prefix * : lua_pushprefix, \ -struct peer * : lua_pushpeer \
+struct peer * : lua_pushpeer, \
+struct prefix * : lua_pushprefix \
)(L, value) )(L, value)
#define DECODE_ARGS_WITH_STATE(L, value) \ #define DECODE_ARGS_WITH_STATE(L, value) \
_Generic((value), \ _Generic((value), \
... ...
struct prefix * : lua_decode_prefix, \ -struct peer * : lua_decode_peer \
+struct peer * : lua_decode_peer, \
+struct prefix * : lua_decode_prefix \
)(L, -1, value) )(L, -1, value)
@ -315,12 +320,12 @@ But we still need a decoder for the type of value so that the compiler will be
satisfied. satisfied.
For that, use ``lua_decode_noop``: For that, use ``lua_decode_noop``:
.. code-block:: c .. code-block:: diff
#define DECODE_ARGS_WITH_STATE(L, value) \ #define DECODE_ARGS_WITH_STATE(L, value) \
_Generic((value), \ _Generic((value), \
... ...
const struct prefix * : lua_decode_noop, \ +const struct prefix * : lua_decode_noop \
)(L, -1, value) )(L, -1, value)