mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-20 19:06:53 +01:00
358 lines
12 KiB
Python
358 lines
12 KiB
Python
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"""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 = ["\textern const pandemonium_gdnative_core_api_struct *_gdnative_wrapper_api_struct;"]
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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 pandemonium_gdnative_ext_{0}_api_struct *_gdnative_wrapper_{0}_api_struct;".format(name)
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)
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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(
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"\tfor (unsigned int i = 0; i < _gdnative_wrapper_api_struct->num_extensions; i++) { "
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)
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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("\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 = (pandemonium_gdnative_ext_{0}_api_struct *)"
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" _gdnative_wrapper_api_struct->extensions[i];".format(name)
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)
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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 PANDEMONIUM_GDNATIVE_API_STRUCT_H",
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"#define PANDEMONIUM_GDNATIVE_API_STRUCT_H",
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"",
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"#include <gdn/gdnative.h>",
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"#include <android/pandemonium_android.h>",
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"#include <nativescript/pandemonium_nativescript.h>",
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"#include <net/pandemonium_net.h>",
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"#include <pluginscript/pandemonium_pluginscript.h>",
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"#include <videodecoder/pandemonium_videodecoder.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 pandemonium_gdnative_ext_"
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+ name
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+ ("" if not include_version else ("_{0}_{1}".format(ext["version"]["major"], ext["version"]["minor"])))
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+ "_api_struct {",
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"\tunsigned int type;",
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"\tpandemonium_gdnative_api_version version;",
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"\tconst pandemonium_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 += [
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"} pandemonium_gdnative_ext_"
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+ name
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+ ("" if not include_version else ("_{0}_{1}".format(ext["version"]["major"], ext["version"]["minor"])))
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+ "_api_struct;",
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"",
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]
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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 pandemonium_gdnative_core_"
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+ ("{0}_{1}".format(core["version"]["major"], core["version"]["minor"]))
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+ "_api_struct {",
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"\tunsigned int type;",
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"\tpandemonium_gdnative_api_version version;",
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"\tconst pandemonium_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 += [
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"} pandemonium_gdnative_core_"
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+ "{0}_{1}".format(core["version"]["major"], core["version"]["minor"])
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+ "_api_struct;",
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"",
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]
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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 pandemonium_gdnative_core_api_struct {",
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"\tunsigned int type;",
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"\tpandemonium_gdnative_api_version version;",
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"\tconst pandemonium_gdnative_api_struct *next;",
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"\tunsigned int num_extensions;",
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"\tconst pandemonium_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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"} pandemonium_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 // PANDEMONIUM_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 = ["/* THIS FILE IS GENERATED DO NOT EDIT */", "", "#include <gdnative_api_struct.gen.h>", ""]
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def get_extension_struct_name(name, ext, include_version=True):
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return (
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"pandemonium_gdnative_ext_"
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+ name
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+ ("" if not include_version else ("_{0}_{1}".format(ext["version"]["major"], ext["version"]["minor"])))
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+ "_api_struct"
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)
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def get_extension_struct_instance_name(name, ext, include_version=True):
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return (
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"api_extension_"
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+ name
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+ ("" if not include_version else ("_{0}_{1}".format(ext["version"]["major"], ext["version"]["minor"])))
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+ "_struct"
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)
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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 "
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+ get_extension_struct_name(name, ext, include_version)
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+ " "
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+ get_extension_struct_instance_name(name, ext, include_version)
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+ " = {",
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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"
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+ (
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"NULL"
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if not ext["next"]
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else ("(const pandemonium_gdnative_api_struct *)&" + get_extension_struct_instance_name(name, ext["next"]))
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)
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+ ",",
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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 pandemonium_gdnative_core_"
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+ ("{0}_{1}_api_struct api_{0}_{1}".format(core["version"]["major"], core["version"]["minor"]))
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+ " = {",
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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"
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+ (
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"NULL"
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if not core["next"]
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else (
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"(const pandemonium_gdnative_api_struct *)& api_{0}_{1}".format(
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core["next"]["version"]["major"], core["next"]["version"]["minor"]
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)
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)
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)
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+ ",",
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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 pandemonium_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(pandemonium_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 pandemonium_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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"\t" + (
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"NULL"
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if not api["core"]["next"]
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else (
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"(const pandemonium_gdnative_api_struct *)& api_{0}_{1}".format(
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api["core"]["next"]["version"]["major"], api["core"]["next"]["version"]["minor"]
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)
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)
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) + ",",
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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 <gdn/gdnative.h>",
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"#include <nativescript/pandemonium_nativescript.h>",
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"#include <pluginscript/pandemonium_pluginscript.h>",
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"#include <videodecoder/pandemonium_videodecoder.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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"pandemonium_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("pandemonium_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 += ["#ifdef __cplusplus", "}", "#endif"]
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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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