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Move Py_buffer_RAII to .h file so SWIG 2 doesnt have to parse it 

`struct Py_buffer_RAII` definition uses explicit deleted functions which are not supported by SWIG 2 (only 3).
To get around this I moved this struct to an .h file that is included to avoid being parsed by swig.

Reviewed By: lawrence_danna

Differential Revision: https://reviews.llvm.org/D86381
This commit is contained in:
António Afonso 2020-08-22 10:43:02 -07:00
parent 21ad3c4738
commit 5d8eedee91
2 changed files with 24 additions and 16 deletions
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17
lldb/bindings/python/python-typemaps.h Normal file
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@ -0,0 +1,17 @@
#ifndef LLDB_BINDINGS_PYTHON_PYTHON_TYPEMAPS_H
#define LLDB_BINDINGS_PYTHON_PYTHON_TYPEMAPS_H
// Defined here instead of a .swig file because SWIG 2 doesn't support
// explicit deleted functions.
struct Py_buffer_RAII {
Py_buffer buffer = {};
Py_buffer_RAII(){};
Py_buffer &operator=(const Py_buffer_RAII &) = delete;
Py_buffer_RAII(const Py_buffer_RAII &) = delete;
~Py_buffer_RAII() {
if (buffer.obj)
PyBuffer_Release(&buffer);
}
};
#endif // LLDB_BINDINGS_PYTHON_PYTHON_TYPEMAPS_H

21
lldb/bindings/python/python-typemaps.swig
View File

@ -1,5 +1,11 @@
/* Typemap definitions, to allow SWIG to properly handle 'char**' data types. */
%inline %{
#include "../bindings/python/python-typemaps.h"
%}
%typemap(in) char ** {
/* Check if is a list */
if (PythonList::Check($input)) {
@ -476,21 +482,6 @@ bool SetNumberFromPyObject<double>(double &number, PyObject *obj) {
}
}
%inline %{
struct Py_buffer_RAII {
Py_buffer buffer = {};
Py_buffer_RAII() {};
Py_buffer &operator=(const Py_buffer_RAII &) = delete;
Py_buffer_RAII(const Py_buffer_RAII &) = delete;
~Py_buffer_RAII() {
if (buffer.obj)
PyBuffer_Release(&buffer);
}
};
%}
// These two pybuffer macros are copied out of swig/Lib/python/pybuffer.i,
// and fixed so they will not crash if PyObject_GetBuffer fails.
// https://github.com/swig/swig/issues/1640