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GDScript: Remove self static reference and create one on calls

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This is needed because of the new changes to Variant. The reference
counter is increased by adding it to a Variant, which means no GDScript
will be freed (or will be double freed if manually freed somewhere).

(cherry picked from commit 4d960efafc)
This commit is contained in:
George Marques 2020-02-19 09:15:16 -03:00 committed by Pedro J. Estébanez
parent 61c8efecff
commit e360dc9a79
4 changed files with 9 additions and 10 deletions
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1
modules/gdscript/gdscript.cpp
View file

@ -914,7 +914,6 @@ void GDScript::get_script_signal_list(List<MethodInfo> *r_signals) const {
GDScript::GDScript() :
script_list(this) {
_static_ref = this;
valid = false;
subclass_count = 0;
initializer = NULL;

1
modules/gdscript/gdscript.h
View file

@ -73,7 +73,6 @@ class GDScript : public Script {
friend class GDScriptFunctions;
friend class GDScriptLanguage;
Variant _static_ref; //used for static call
Ref<GDScriptNativeClass> native;
Ref<GDScript> base;
GDScript *_base; //fast pointer access

15
modules/gdscript/gdscript_function.cpp
View file

@ -34,7 +34,7 @@
#include "gdscript.h"
#include "gdscript_functions.h"
Variant *GDScriptFunction::_get_variant(int p_address, GDScriptInstance *p_instance, GDScript *p_script, Variant &self, Variant *p_stack, String &r_error) const {
Variant *GDScriptFunction::_get_variant(int p_address, GDScriptInstance *p_instance, GDScript *p_script, Variant &self, Variant &static_ref, Variant *p_stack, String &r_error) const {
int address = p_address & ADDR_MASK;
@ -52,7 +52,7 @@ Variant *GDScriptFunction::_get_variant(int p_address, GDScriptInstance *p_insta
} break;
case ADDR_TYPE_CLASS: {
return &p_script->_static_ref;
return &static_ref;
} break;
case ADDR_TYPE_MEMBER: {
#ifdef DEBUG_ENABLED
@ -269,6 +269,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
r_err.error = Variant::CallError::CALL_OK;
Variant self;
Variant static_ref;
Variant retvalue;
Variant *stack = NULL;
Variant **call_args;
@ -403,10 +404,10 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
#define CHECK_SPACE(m_space) \
GD_ERR_BREAK((ip + m_space) > _code_size)
#define GET_VARIANT_PTR(m_v, m_code_ofs) \
Variant *m_v; \
m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, script, self, stack, err_text); \
if (unlikely(!m_v)) \
#define GET_VARIANT_PTR(m_v, m_code_ofs) \
Variant *m_v; \
m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, script, self, static_ref, stack, err_text); \
if (unlikely(!m_v)) \
OPCODE_BREAK;
#else
@ -414,7 +415,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
#define CHECK_SPACE(m_space)
#define GET_VARIANT_PTR(m_v, m_code_ofs) \
Variant *m_v; \
m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, script, self, stack, err_text);
m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, script, self, static_ref, stack, err_text);
#endif

2
modules/gdscript/gdscript_function.h
View file

@ -267,7 +267,7 @@ private:
List<StackDebug> stack_debug;
_FORCE_INLINE_ Variant *_get_variant(int p_address, GDScriptInstance *p_instance, GDScript *p_script, Variant &self, Variant *p_stack, String &r_error) const;
_FORCE_INLINE_ Variant *_get_variant(int p_address, GDScriptInstance *p_instance, GDScript *p_script, Variant &self, Variant &static_ref, Variant *p_stack, String &r_error) const;
_FORCE_INLINE_ String _get_call_error(const Variant::CallError &p_err, const String &p_where, const Variant **argptrs) const;
friend class GDScriptLanguage;