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Remove unsupported NO_SAFE_CAST/-fno-rtti from Android build

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Android was the last platform to still attempt to disable RTTI (for binary
size), but both the Android editor and now the ICU library used by templates
need RTTI.

There could still be the possibility to support this for non-ICU template
builds (i.e. without the TextServerAdvanced module), but since this isn't one
of the build configurations we test regularly it's pretty risky to keep this
option only for that specific use case. And our code is already littered with
`dynamic_cast`s which weren't guarded with `!defined(NO_SAFE_CAST)`.
This commit is contained in:
Rémi Verschelde 2022-10-03 11:18:27 +02:00
parent d331b803b8
commit 82b87d7a17
5 changed files with 5 additions and 58 deletions
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22
core/object/object.h
View File

@ -733,34 +733,12 @@ public:
template <class T>
static T *cast_to(Object *p_object) {
#ifndef NO_SAFE_CAST
return dynamic_cast<T *>(p_object);
#else
if (!p_object) {
return nullptr;
}
if (p_object->is_class_ptr(T::get_class_ptr_static())) {
return static_cast<T *>(p_object);
} else {
return nullptr;
}
#endif
}
template <class T>
static const T *cast_to(const Object *p_object) {
#ifndef NO_SAFE_CAST
return dynamic_cast<const T *>(p_object);
#else
if (!p_object) {
return nullptr;
}
if (p_object->is_class_ptr(T::get_class_ptr_static())) {
return static_cast<const T *>(p_object);
} else {
return nullptr;
}
#endif
}
enum {

11
core/templates/rid_owner.h
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@ -335,15 +335,8 @@ public:
~RID_Alloc() {
if (alloc_count) {
if (description) {
print_error("ERROR: " + itos(alloc_count) + " RID allocations of type '" + description + "' were leaked at exit.");
} else {
#ifdef NO_SAFE_CAST
print_error("ERROR: " + itos(alloc_count) + " RID allocations of type 'unknown' were leaked at exit.");
#else
print_error("ERROR: " + itos(alloc_count) + " RID allocations of type '" + typeid(T).name() + "' were leaked at exit.");
#endif
}
print_error(vformat("ERROR: %d RID allocations of type '%s' were leaked at exit.",
alloc_count, description ? description : typeid(T).name()));
for (size_t i = 0; i < max_alloc; i++) {
uint64_t validator = validator_chunks[i / elements_in_chunk][i % elements_in_chunk];

8
editor/import/collada.cpp
View File

@ -2036,11 +2036,7 @@ void Collada::_merge_skeletons(VisualScene *p_vscene, Node *p_node) {
ERR_CONTINUE(!state.scene_map.has(nodeid)); //weird, it should have it...
#ifdef NO_SAFE_CAST
NodeJoint *nj = static_cast<NodeJoint *>(state.scene_map[nodeid]);
#else
NodeJoint *nj = dynamic_cast<NodeJoint *>(state.scene_map[nodeid]);
#endif
ERR_CONTINUE(!nj); //broken collada
ERR_CONTINUE(!nj->owner); //weird, node should have a skeleton owner
@ -2197,11 +2193,7 @@ bool Collada::_move_geometry_to_skeletons(VisualScene *p_vscene, Node *p_node, L
String nodeid = ng->skeletons[0];
ERR_FAIL_COND_V(!state.scene_map.has(nodeid), false); //weird, it should have it...
#ifdef NO_SAFE_CAST
NodeJoint *nj = static_cast<NodeJoint *>(state.scene_map[nodeid]);
#else
NodeJoint *nj = dynamic_cast<NodeJoint *>(state.scene_map[nodeid]);
#endif
ERR_FAIL_COND_V(!nj, false);
ERR_FAIL_COND_V(!nj->owner, false); //weird, node should have a skeleton owner

10
modules/mono/csharp_script.h
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@ -48,20 +48,10 @@ class CSharpScript;
class CSharpInstance;
class CSharpLanguage;
#ifdef NO_SAFE_CAST
template <typename TScriptInstance, typename TScriptLanguage>
TScriptInstance *cast_script_instance(ScriptInstance *p_inst) {
if (!p_inst) {
return nullptr;
}
return p_inst->get_language() == TScriptLanguage::get_singleton() ? static_cast<TScriptInstance *>(p_inst) : nullptr;
}
#else
template <typename TScriptInstance, typename TScriptLanguage>
TScriptInstance *cast_script_instance(ScriptInstance *p_inst) {
return dynamic_cast<TScriptInstance *>(p_inst);
}
#endif
#define CAST_CSHARP_INSTANCE(m_inst) (cast_script_instance<CSharpInstance, CSharpLanguage>(m_inst))

12
platform/android/detect.py
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@ -156,15 +156,9 @@ def configure(env: "Environment"):
env["RANLIB"] = compiler_path + "/llvm-ranlib"
env["AS"] = compiler_path + "/clang"
# Disable exceptions and rtti on non-tools (template) builds
if env.editor_build:
env.Append(CXXFLAGS=["-frtti"])
elif env["builtin_icu"]:
env.Append(CXXFLAGS=["-frtti", "-fno-exceptions"])
else:
env.Append(CXXFLAGS=["-fno-rtti", "-fno-exceptions"])
# Don't use dynamic_cast, necessary with no-rtti.
env.Append(CPPDEFINES=["NO_SAFE_CAST"])
# Disable exceptions on template builds
if not env.editor_build:
env.Append(CXXFLAGS=["-fno-exceptions"])
env.Append(
CCFLAGS=(