310 lines
11 KiB
Python
310 lines
11 KiB
Python
"""Functions used to generate source files during build time
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All such functions are invoked in a subprocess on Windows to prevent build flakiness.
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"""
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import json
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from platform_methods import subprocess_main
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def _spaced(e):
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return e if e[-1] == '*' else e + ' '
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def _build_gdnative_api_struct_header(api):
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gdnative_api_init_macro = [
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'\textern const godot_gdnative_core_api_struct *_gdnative_wrapper_api_struct;'
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]
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for ext in api['extensions']:
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name = ext['name']
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gdnative_api_init_macro.append(
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'\textern const godot_gdnative_ext_{0}_api_struct *_gdnative_wrapper_{0}_api_struct;'.format(name))
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gdnative_api_init_macro.append('\t_gdnative_wrapper_api_struct = options->api_struct;')
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gdnative_api_init_macro.append('\tfor (unsigned int i = 0; i < _gdnative_wrapper_api_struct->num_extensions; i++) { ')
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gdnative_api_init_macro.append('\t\tswitch (_gdnative_wrapper_api_struct->extensions[i]->type) {')
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for ext in api['extensions']:
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name = ext['name']
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gdnative_api_init_macro.append(
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'\t\t\tcase GDNATIVE_EXT_%s:' % ext['type'])
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gdnative_api_init_macro.append(
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'\t\t\t\t_gdnative_wrapper_{0}_api_struct = (godot_gdnative_ext_{0}_api_struct *)'
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' _gdnative_wrapper_api_struct->extensions[i];'.format(name))
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gdnative_api_init_macro.append('\t\t\t\tbreak;')
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gdnative_api_init_macro.append('\t\t}')
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gdnative_api_init_macro.append('\t}')
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out = [
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'/* THIS FILE IS GENERATED DO NOT EDIT */',
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'#ifndef GODOT_GDNATIVE_API_STRUCT_H',
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'#define GODOT_GDNATIVE_API_STRUCT_H',
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'',
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'#include <gdnative/gdnative.h>',
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'#include <android/godot_android.h>',
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'#include <arvr/godot_arvr.h>',
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'#include <nativescript/godot_nativescript.h>',
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'#include <pluginscript/godot_pluginscript.h>',
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'',
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'#define GDNATIVE_API_INIT(options) do { \\\n' + ' \\\n'.join(gdnative_api_init_macro) + ' \\\n } while (0)',
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'',
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'#ifdef __cplusplus',
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'extern "C" {',
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'#endif',
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'',
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'enum GDNATIVE_API_TYPES {',
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'\tGDNATIVE_' + api['core']['type'] + ','
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]
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for ext in api['extensions']:
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out += ['\tGDNATIVE_EXT_' + ext['type'] + ',']
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out += ['};', '']
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def generate_extension_struct(name, ext, include_version=True):
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ret_val = []
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if ext['next']:
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ret_val += generate_extension_struct(name, ext['next'])
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ret_val += [
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'typedef struct godot_gdnative_ext_' + name + ('' if not include_version else ('_{0}_{1}'.format(ext['version']['major'], ext['version']['minor']))) + '_api_struct {',
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'\tunsigned int type;',
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'\tgodot_gdnative_api_version version;',
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'\tconst godot_gdnative_api_struct *next;'
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]
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for funcdef in ext['api']:
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args = ', '.join(['%s%s' % (_spaced(t), n) for t, n in funcdef['arguments']])
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ret_val.append('\t%s(*%s)(%s);' % (_spaced(funcdef['return_type']), funcdef['name'], args))
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ret_val += ['} godot_gdnative_ext_' + name + ('' if not include_version else ('_{0}_{1}'.format(ext['version']['major'], ext['version']['minor']))) + '_api_struct;', '']
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return ret_val
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def generate_core_extension_struct(core):
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ret_val = []
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if core['next']:
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ret_val += generate_core_extension_struct(core['next'])
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ret_val += [
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'typedef struct godot_gdnative_core_' + ('{0}_{1}'.format(core['version']['major'], core['version']['minor'])) + '_api_struct {',
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'\tunsigned int type;',
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'\tgodot_gdnative_api_version version;',
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'\tconst godot_gdnative_api_struct *next;',
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]
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for funcdef in core['api']:
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args = ', '.join(['%s%s' % (_spaced(t), n) for t, n in funcdef['arguments']])
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ret_val.append('\t%s(*%s)(%s);' % (_spaced(funcdef['return_type']), funcdef['name'], args))
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ret_val += ['} godot_gdnative_core_' + '{0}_{1}'.format(core['version']['major'], core['version']['minor']) + '_api_struct;', '']
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return ret_val
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for ext in api['extensions']:
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name = ext['name']
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out += generate_extension_struct(name, ext, False)
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if api['core']['next']:
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out += generate_core_extension_struct(api['core']['next'])
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out += [
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'typedef struct godot_gdnative_core_api_struct {',
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'\tunsigned int type;',
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'\tgodot_gdnative_api_version version;',
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'\tconst godot_gdnative_api_struct *next;',
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'\tunsigned int num_extensions;',
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'\tconst godot_gdnative_api_struct **extensions;',
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]
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for funcdef in api['core']['api']:
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args = ', '.join(['%s%s' % (_spaced(t), n) for t, n in funcdef['arguments']])
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out.append('\t%s(*%s)(%s);' % (_spaced(funcdef['return_type']), funcdef['name'], args))
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out += [
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'} godot_gdnative_core_api_struct;',
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'',
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'#ifdef __cplusplus',
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'}',
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'#endif',
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'',
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'#endif // GODOT_GDNATIVE_API_STRUCT_H',
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''
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]
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return '\n'.join(out)
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def _build_gdnative_api_struct_source(api):
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out = [
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'/* THIS FILE IS GENERATED DO NOT EDIT */',
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'',
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'#include <gdnative_api_struct.gen.h>',
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''
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]
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def get_extension_struct_name(name, ext, include_version=True):
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return 'godot_gdnative_ext_' + name + ('' if not include_version else ('_{0}_{1}'.format(ext['version']['major'], ext['version']['minor']))) + '_api_struct'
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def get_extension_struct_instance_name(name, ext, include_version=True):
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return 'api_extension_' + name + ('' if not include_version else ('_{0}_{1}'.format(ext['version']['major'], ext['version']['minor']))) + '_struct'
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def get_extension_struct_definition(name, ext, include_version=True):
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ret_val = []
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if ext['next']:
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ret_val += get_extension_struct_definition(name, ext['next'])
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ret_val += [
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'extern const ' + get_extension_struct_name(name, ext, include_version) + ' ' + get_extension_struct_instance_name(name, ext, include_version) + ' = {',
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'\tGDNATIVE_EXT_' + ext['type'] + ',',
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'\t{' + str(ext['version']['major']) + ', ' + str(ext['version']['minor']) + '},',
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'\t' + ('NULL' if not ext['next'] else ('(const godot_gdnative_api_struct *)&' + get_extension_struct_instance_name(name, ext['next']))) + ','
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]
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for funcdef in ext['api']:
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ret_val.append('\t%s,' % funcdef['name'])
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ret_val += ['};\n']
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return ret_val
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def get_core_struct_definition(core):
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ret_val = []
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if core['next']:
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ret_val += get_core_struct_definition(core['next'])
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ret_val += [
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'extern const godot_gdnative_core_' + ('{0}_{1}_api_struct api_{0}_{1}'.format(core['version']['major'], core['version']['minor'])) + ' = {',
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'\tGDNATIVE_' + core['type'] + ',',
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'\t{' + str(core['version']['major']) + ', ' + str(core['version']['minor']) + '},',
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'\t' + ('NULL' if not core['next'] else ('(const godot_gdnative_api_struct *)& api_{0}_{1}'.format(core['version']['major'], core['version']['minor']))) + ','
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]
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for funcdef in core['api']:
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ret_val.append('\t%s,' % funcdef['name'])
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ret_val += ['};\n']
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return ret_val
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for ext in api['extensions']:
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name = ext['name']
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out += get_extension_struct_definition(name, ext, False)
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out += ['', 'const godot_gdnative_api_struct *gdnative_extensions_pointers[] = {']
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for ext in api['extensions']:
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name = ext['name']
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out += ['\t(godot_gdnative_api_struct *)&api_extension_' + name + '_struct,']
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out += ['};\n']
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if api['core']['next']:
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out += get_core_struct_definition(api['core']['next'])
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out += [
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'extern const godot_gdnative_core_api_struct api_struct = {',
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'\tGDNATIVE_' + api['core']['type'] + ',',
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'\t{' + str(api['core']['version']['major']) + ', ' + str(api['core']['version']['minor']) + '},',
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'\tNULL,',
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'\t' + str(len(api['extensions'])) + ',',
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'\tgdnative_extensions_pointers,',
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]
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for funcdef in api['core']['api']:
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out.append('\t%s,' % funcdef['name'])
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out.append('};\n')
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return '\n'.join(out)
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def build_gdnative_api_struct(target, source, env):
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with open(source[0], 'r') as fd:
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api = json.load(fd)
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header, source = target
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with open(header, 'w') as fd:
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fd.write(_build_gdnative_api_struct_header(api))
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with open(source, 'w') as fd:
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fd.write(_build_gdnative_api_struct_source(api))
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def _build_gdnative_wrapper_code(api):
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out = [
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'/* THIS FILE IS GENERATED DO NOT EDIT */',
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'',
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'#include <gdnative/gdnative.h>',
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'#include <nativescript/godot_nativescript.h>',
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'#include <pluginscript/godot_pluginscript.h>',
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'#include <arvr/godot_arvr.h>',
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'',
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'#include <gdnative_api_struct.gen.h>',
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'',
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'#ifdef __cplusplus',
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'extern "C" {',
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'#endif',
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'',
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'godot_gdnative_core_api_struct *_gdnative_wrapper_api_struct = 0;',
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]
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for ext in api['extensions']:
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name = ext['name']
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out.append('godot_gdnative_ext_' + name + '_api_struct *_gdnative_wrapper_' + name + '_api_struct = 0;')
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out += ['']
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for funcdef in api['core']['api']:
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args = ', '.join(['%s%s' % (_spaced(t), n) for t, n in funcdef['arguments']])
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out.append('%s%s(%s) {' % (_spaced(funcdef['return_type']), funcdef['name'], args))
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args = ', '.join(['%s' % n for t, n in funcdef['arguments']])
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return_line = '\treturn ' if funcdef['return_type'] != 'void' else '\t'
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return_line += '_gdnative_wrapper_api_struct->' + funcdef['name'] + '(' + args + ');'
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out.append(return_line)
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out.append('}')
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out.append('')
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for ext in api['extensions']:
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name = ext['name']
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for funcdef in ext['api']:
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args = ', '.join(['%s%s' % (_spaced(t), n) for t, n in funcdef['arguments']])
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out.append('%s%s(%s) {' % (_spaced(funcdef['return_type']), funcdef['name'], args))
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args = ', '.join(['%s' % n for t, n in funcdef['arguments']])
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return_line = '\treturn ' if funcdef['return_type'] != 'void' else '\t'
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return_line += '_gdnative_wrapper_' + name + '_api_struct->' + funcdef['name'] + '(' + args + ');'
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out.append(return_line)
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out.append('}')
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out.append('')
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out += [
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'#ifdef __cplusplus',
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'}',
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'#endif'
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]
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return '\n'.join(out)
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def build_gdnative_wrapper_code(target, source, env):
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with open(source[0], 'r') as fd:
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api = json.load(fd)
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wrapper_file = target[0]
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with open(wrapper_file, 'w') as fd:
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fd.write(_build_gdnative_wrapper_code(api))
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if __name__ == '__main__':
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subprocess_main(globals())
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