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#!/usr/bin/env python3
import sys
import cffi
builder = cffi.FFI()
# hexchat-plugin.h
with open(sys.argv[1]) as f:
output = []
eat_until_endif = 0
# This is very specific to hexchat-plugin.h, it is not a cpp
for line in f:
if line.startswith('#define'):
continue
elif line.endswith('HEXCHAT_PLUGIN_H\n'):
continue
elif 'time.h' in line:
output.append('typedef int... time_t;')
elif line.startswith('#if'):
eat_until_endif += 1
elif line.startswith('#endif'):
eat_until_endif -= 1
elif eat_until_endif and '_hexchat_context' not in line:
continue
else:
output.append(line)
builder.cdef(''.join(output))
builder.embedding_api('''
extern "Python" int _on_py_command(char **, char **, void *);
extern "Python" int _on_load_command(char **, char **, void *);
extern "Python" int _on_unload_command(char **, char **, void *);
extern "Python" int _on_reload_command(char **, char **, void *);
extern "Python" int _on_say_command(char **, char **, void *);
extern "Python" int _on_command_hook(char **, char **, void *);
extern "Python" int _on_print_hook(char **, void *);
extern "Python" int _on_print_attrs_hook(char **, hexchat_event_attrs *, void *);
extern "Python" int _on_server_hook(char **, char **, void *);
extern "Python" int _on_server_attrs_hook(char **, char **, hexchat_event_attrs *, void *);
extern "Python" int _on_timer_hook(void *);
extern "Python" int _on_plugin_init(char **, char **, char **, char *, char *);
extern "Python" int _on_plugin_deinit(void);
static hexchat_plugin *ph;
''')
builder.set_source('_hexchat_embedded', '''
/* Python's header defines these.. */
#undef HAVE_MEMRCHR
#undef HAVE_STRINGS_H
#include "config.h"
#include "hexchat-plugin.h"
static hexchat_plugin *ph;
CFFI_DLLEXPORT int _on_plugin_init(char **, char **, char **, char *, char *);
CFFI_DLLEXPORT int _on_plugin_deinit(void);
int hexchat_plugin_init(hexchat_plugin *plugin_handle,
char **name_out, char **description_out,
char **version_out, char *arg)
{
if (ph != NULL)
{
puts ("Python plugin already loaded\\n");
return 0; /* Prevent loading twice */
}
ph = plugin_handle;
return _on_plugin_init(name_out, description_out, version_out, arg, HEXCHATLIBDIR);
}
int hexchat_plugin_deinit(void)
{
int ret = _on_plugin_deinit();
ph = NULL;
return ret;
}
''')
# python.py
with open(sys.argv[2]) as f:
builder.embedding_init_code(f.read())
# python.c
builder.emit_c_code(sys.argv[3])
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