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Merge pull request #11 from GodotNativeTools/ref-class-api 

Ref class api
pull/16/head
Thomas Herzog 2017-06-21 02:15:42 +02:00 committed by GitHub
parent 82165394ca e1f3865467
commit ab0854c8f2
3 changed files with 80 additions and 26 deletions
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61
binding_generator.py
View File

@ -4,8 +4,11 @@ import json
# comment.
classes = []
def generate_bindings(path):
global classes
classes = json.load(open(path))
icalls = set()
@ -31,8 +34,23 @@ def generate_bindings(path):
icall_source_file = open("src/__icalls.cpp", "w+")
icall_source_file.write(generate_icall_implementation(icalls))
def is_reference_type(t):
for c in classes:
if c['name'] != t:
continue
if c['is_reference']:
return True
return False
def make_gdnative_type(t):
if is_class_type(t):
if is_reference_type(t):
return "Ref<" + strip_name(t) + "> "
else:
return strip_name(t) + " *"
else:
return strip_name(t) + " "
def generate_class_header(used_classes, c):
@ -59,6 +77,7 @@ def generate_class_header(used_classes, c):
source.append("#include <CoreTypes.hpp>")
source.append("#include <Ref.hpp>")
if c["base_class"] != "":
source.append("#include <" + strip_name(c["base_class"]) + ".hpp>")
@ -104,15 +123,14 @@ def generate_class_header(used_classes, c):
method_signature = ""
method_signature += "static " if c["singleton"] else ""
method_signature += strip_name(method["return_type"])
method_signature += " *" if is_class_type(method["return_type"]) else " "
method_signature += make_gdnative_type(method["return_type"])
method_signature += escape_cpp(method["name"]) + "("
has_default_argument = False
for i, argument in enumerate(method["arguments"]):
method_signature += "const " + argument["type"] + (" *" if is_class_type(argument["type"]) else " ")
method_signature += "const " + make_gdnative_type(argument["type"])
method_signature += escape_cpp(argument["name"])
@ -196,6 +214,7 @@ def generate_class_implementation(icalls, used_classes, c):
source.append("")
source.append("#include <CoreTypes.hpp>")
source.append("#include <Ref.hpp>")
source.append("#include <Godot.hpp>")
source.append("")
@ -252,12 +271,11 @@ def generate_class_implementation(icalls, used_classes, c):
for method in c["methods"]:
method_signature = ""
method_signature += strip_name(method["return_type"])
method_signature += " *" if is_class_type(method["return_type"]) else " "
method_signature += make_gdnative_type(method["return_type"])
method_signature += strip_name(c["name"]) + "::" + escape_cpp(method["name"]) + "("
for i, argument in enumerate(method["arguments"]):
method_signature += "const " + argument["type"] + (" *" if is_class_type(argument["type"]) else " ")
method_signature += "const " + make_gdnative_type(argument["type"])
method_signature += escape_cpp(argument["name"])
if i != len(method["arguments"]) - 1:
@ -286,7 +304,13 @@ def generate_class_implementation(icalls, used_classes, c):
return_statement = ""
if method["return_type"] != "void":
return_statement += "return " + ("(" + strip_name(method["return_type"]) + " *) " if is_class_type(method["return_type"]) else "")
if is_class_type(method["return_type"]):
if is_reference_type(method["return_type"]):
return_statement += "return Ref<" + strip_name(method["return_type"]) + ">::__internal_constructor(";
else:
return_statement += "return " + ("(" + strip_name(method["return_type"]) + " *) " if is_class_type(method["return_type"]) else "")
else:
return_statement += "return "
def get_icall_type_name(name):
if is_class_type(name):
@ -295,7 +319,7 @@ def generate_class_implementation(icalls, used_classes, c):
if method["is_virtual"] or method["has_varargs"]:
if method["has_varargs"]:
if len(method["arguments"]) != 0:
source.append("\tVariant __given_args[" + str(len(method["arguments"])) + "];")
@ -347,8 +371,13 @@ def generate_class_implementation(icalls, used_classes, c):
if method["return_type"] != "void":
cast = ""
if is_class_type(method["return_type"]):
cast += "(" + strip_name(method["return_type"]) + " *) (Object *) "
source.append("\treturn " + cast + "__result;")
if is_reference_type(method["return_type"]):
cast += "Ref<" + stip_name(method["return_type"]) + ">::__internal_constructor(__result);"
else:
cast += "(" + strip_name(method["return_type"]) + " *) (Object *) __result;"
else:
cast += "__result;"
source.append("\treturn " + cast)
@ -369,11 +398,11 @@ def generate_class_implementation(icalls, used_classes, c):
return_statement += icall_name + "(mb, (godot_object *) " + core_object_name
for arg in method["arguments"]:
return_statement += ", " + escape_cpp(arg["name"])
return_statement += ", " + escape_cpp(arg["name"]) + (".ptr()" if is_reference_type(arg["type"]) else "")
return_statement += ")"
source.append("\t" + return_statement + ";")
source.append("\t" + return_statement + (")" if is_reference_type(method["return_type"]) else "") + ";")
source.append("}")
source.append("")

3
include/core/Godot.hpp
View File

@ -9,6 +9,7 @@
#include <CoreTypes.hpp>
#include <Variant.hpp>
#include <Ref.hpp>
#include <Object.hpp>
@ -66,7 +67,7 @@ template<class T>
struct _ArgCast {
static T _arg_cast(Variant a)
{
return a.operator T();
return static_cast<T>(a);
}
};

42
include/core/Ref.hpp
View File

@ -84,10 +84,17 @@ public:
{
ref(from);
}
template<class T_Other>
void operator=(const Ref<T_Other> &from)
{
Ref<T> n((T *) from.ptr());
ref(n);
}
void operator=(const Variant &variant)
{
T *r = variant;
T *r = (T *) (Object *) variant;
if (!r) {
unref();
return;
@ -101,29 +108,38 @@ public:
operator Variant() const
{
ref();
return Variant((Object *) this);
return Variant((Object *) reference);
}
template<class T_Other>
Ref(const Ref<T_Other> &from)
{
if (from.ptr())
ref_pointer((T *) from.ptr());
else
reference = nullptr;
}
Ref(const Ref &from)
{
reference = nullptr;
ref(from);
}
Ref(T *r)
{
if (r)
ref_pointer(r);
else
reference = nullptr;
r->reference();
reference = r;
}
template<class T_Other>
Ref(T_Other *r) : Ref((T *) r) {}
Ref(const Variant &variant)
{
reference = nullptr;
T *r = variant;
T *r = (T *) (Object *) variant;
if (!r) {
unref();
return;
@ -134,6 +150,14 @@ public:
ref(re);
re.reference = nullptr;
}
template<class T_Other>
static Ref<T> __internal_constructor(T_Other *r)
{
Ref<T> ref;
ref.reference = (T *) r;
return ref;
}
inline bool is_valid() const { return reference != nullptr; }