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Add support for static variables in GDScript

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Which allows editable data associated with a particular class instead of
the instance. Scripts with static variables are kept in memory
indefinitely unless the `@static_unload` annotation is used or the
`static_unload()` method is called on the GDScript.

If the custom function `_static_init()` exists it will be called when
the class is loaded, after the static variables are set.
This commit is contained in:
George Marques
2023-04-19 11:10:35 -03:00
parent 352ebe9725
commit 0ba6048ad3
36 changed files with 689 additions and 86 deletions
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2
modules/gdscript/gdscript_byte_codegen.h
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@@ -366,6 +366,8 @@ class GDScriptByteCodeGenerator : public GDScriptCodeGenerator {
return p_address.address | (GDScriptFunction::ADDR_TYPE_MEMBER << GDScriptFunction::ADDR_BITS);
case Address::CONSTANT:
return p_address.address | (GDScriptFunction::ADDR_TYPE_CONSTANT << GDScriptFunction::ADDR_BITS);
case Address::STATIC_VARIABLE:
return p_address.address | (GDScriptFunction::ADDR_TYPE_STATIC_VAR << GDScriptFunction::ADDR_BITS);
case Address::LOCAL_VARIABLE:
case Address::FUNCTION_PARAMETER:
return p_address.address | (GDScriptFunction::ADDR_TYPE_STACK << GDScriptFunction::ADDR_BITS);