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Merge pull request #73705 from anvilfolk/doublewoopsie

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Added check for null objects in gdscript typed assign.
This commit is contained in:
Rémi Verschelde 2023-02-21 23:36:06 +01:00
commit d4bec5855e
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GPG key ID: C3336907360768E1
3 changed files with 47 additions and 20 deletions
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4
modules/gdscript/gdscript_vm.cpp
View file

@ -1326,6 +1326,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
OPCODE_BREAK; OPCODE_BREAK;
} }
if (val_obj) { // src is not null
ScriptInstance *scr_inst = val_obj->get_script_instance(); ScriptInstance *scr_inst = val_obj->get_script_instance();
if (!scr_inst) { if (!scr_inst) {
err_text = "Trying to assign value of type '" + val_obj->get_class_name() + err_text = "Trying to assign value of type '" + val_obj->get_class_name() +
@ -1333,7 +1334,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
OPCODE_BREAK; OPCODE_BREAK;
} }
Script *src_type = val_obj->get_script_instance()->get_script().ptr(); Script *src_type = scr_inst->get_script().ptr();
bool valid = false; bool valid = false;
while (src_type) { while (src_type) {
@ -1350,6 +1351,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
OPCODE_BREAK; OPCODE_BREAK;
} }
} }
}
#endif // DEBUG_ENABLED #endif // DEBUG_ENABLED
*dst = *src; *dst = *src;

18
modules/gdscript/tests/scripts/analyzer/features/script_typed_assign_null.gd Normal file
View file

@ -0,0 +1,18 @@
extends Node
class LocalClass extends Node:
pass
func test():
var typed: LocalClass = get_node_or_null("does_not_exist")
var untyped = null
var node_1: LocalClass = typed
var node_2: LocalClass = untyped
var node_3 = typed
var node_4 = untyped
print(typed)
print(untyped)
print(node_1)
print(node_2)
print(node_3)
print(node_4)

7
modules/gdscript/tests/scripts/analyzer/features/script_typed_assign_null.out Normal file
View file

@ -0,0 +1,7 @@
GDTEST_OK
<Object#null>
<null>
<Object#null>
<null>
<Object#null>
<null>