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GDScript: Allow using self in lambdas

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This commit is contained in:
George Marques
2022-04-20 14:22:22 -03:00
parent 690fefe43e
commit 01d13ab2c1
16 changed files with 251 additions and 23 deletions
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25
modules/gdscript/gdscript_lambda_callable.h
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@@ -62,4 +62,29 @@ public:
virtual ~GDScriptLambdaCallable() = default;
};
// Lambda callable that references a particular object, so it can use `self` in the body.
class GDScriptLambdaSelfCallable : public CallableCustom {
GDScriptFunction *function = nullptr;
Ref<RefCounted> reference; // For objects that are RefCounted, keep a reference.
Object *object = nullptr; // For non RefCounted objects, use a direct pointer.
uint32_t h;
Vector<Variant> captures;
static bool compare_equal(const CallableCustom *p_a, const CallableCustom *p_b);
static bool compare_less(const CallableCustom *p_a, const CallableCustom *p_b);
public:
uint32_t hash() const override;
String get_as_text() const override;
CompareEqualFunc get_compare_equal_func() const override;
CompareLessFunc get_compare_less_func() const override;
ObjectID get_object() const override;
void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override;
GDScriptLambdaSelfCallable(Ref<RefCounted> p_self, GDScriptFunction *p_function, const Vector<Variant> &p_captures);
GDScriptLambdaSelfCallable(Object *p_self, GDScriptFunction *p_function, const Vector<Variant> &p_captures);
virtual ~GDScriptLambdaSelfCallable() = default;
};
#endif // GDSCRIPT_LAMBDA_CALLABLE