154 lines
4.7 KiB
Python
154 lines
4.7 KiB
Python
#!/usr/bin/env python
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Import('env')
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gdn_env = env.Clone()
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gdn_env.add_source_files(env.modules_sources, "gd_native_library_editor.cpp")
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gdn_env.add_source_files(env.modules_sources, "gdnative.cpp")
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gdn_env.add_source_files(env.modules_sources, "register_types.cpp")
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gdn_env.add_source_files(env.modules_sources, "gdnative/*.cpp")
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gdn_env.add_source_files(env.modules_sources, "nativescript/*.cpp")
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gdn_env.Append(CPPPATH=['#modules/gdnative/include/'])
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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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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 <nativescript/godot_nativescript.h>',
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'',
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'#define GDNATIVE_API_INIT(options) do { extern const godot_gdnative_api_struct *_gdnative_wrapper_api_struct; _gdnative_wrapper_api_struct = options->api_struct; } 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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'typedef struct godot_gdnative_api_struct {',
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'\tvoid *next;',
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'\tconst char *version;',
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]
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for funcname, funcdef in api['api'].items():
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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']), funcname, args))
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out += [
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'} godot_gdnative_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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'const char *_gdnative_api_version = "%s";' % api['version'],
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'extern const godot_gdnative_api_struct api_struct = {',
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'\tNULL,',
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'\t_gdnative_api_version,',
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]
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for funcname in api['api'].keys():
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out.append('\t%s,' % funcname)
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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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import json
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from collections import OrderedDict
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with open(source[0].path, 'r') as fd:
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# Keep the json ordered
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api = json.load(fd, object_pairs_hook=OrderedDict)
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header, source = target
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with open(header.path, 'w') as fd:
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fd.write(_build_gdnative_api_struct_header(api))
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with open(source.path, 'w') as fd:
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fd.write(_build_gdnative_api_struct_source(api))
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_, gensource = gdn_env.Command(['include/gdnative_api_struct.gen.h', 'gdnative_api_struct.gen.cpp'],
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'gdnative_api.json', build_gdnative_api_struct)
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gdn_env.add_source_files(env.modules_sources, [gensource])
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env.use_ptrcall = True
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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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'',
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'#include <gdnative_api_struct.gen.h>',
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'',
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'godot_gdnative_api_struct *_gdnative_wrapper_api_struct = 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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]
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for funcname, funcdef in api['api'].items():
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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']), funcname, 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->' + funcname + '(' + 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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import json
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with open(source[0].path, 'r') as fd:
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#Keep the json ordered
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api = json.load(fd)
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wrapper_file = target[0]
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with open(wrapper_file.path, 'w') as fd:
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fd.write(_build_gdnative_wrapper_code(api))
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if ARGUMENTS.get('gdnative_wrapper', False):
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#build wrapper code
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gdn_env.Command('gdnative_wrapper_code.gen.cpp', 'gdnative_api.json', build_gdnative_wrapper_code)
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gd_wrapper_env = env.Clone()
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gd_wrapper_env.Append(CPPPATH=['#modules/gdnative/include/'])
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# I think this doesn't work on MSVC yet...
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gd_wrapper_env.Append(CCFLAGS=['-fPIC'])
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gd_wrapper_env.Library("#bin/gdnative_wrapper_code", ["#modules/gdnative/gdnative_wrapper_code.gen.cpp"])
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