267 lines
8.4 KiB
Python
267 lines
8.4 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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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 <xr/godot_xr.h>",
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"#include <nativescript/godot_nativescript.h>",
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"#include <net/godot_net.h>",
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"#include <pluginscript/godot_pluginscript.h>",
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"#include <videodecoder/godot_videodecoder.h>",
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"#include <text/godot_text.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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"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_"
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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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"\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 += [
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"} godot_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 godot_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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"\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 += [
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"} godot_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 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 = ["/* 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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"godot_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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"nullptr"
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if not ext["next"]
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else ("(const godot_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 godot_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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"nullptr"
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if not core["next"]
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else (
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"(const godot_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 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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"\t"
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+ (
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"nullptr, "
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if not api["core"]["next"]
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else (
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"(const godot_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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if __name__ == "__main__":
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subprocess_main(globals())
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