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Revert "Fix crash on signal/resume to dangling target" 

This reverts commit 54bdc1e1f6.
This commit is contained in:
Pedro J. Estébanez 2018-11-24 23:46:13 +01:00
parent a16d9c6ab6
commit b499537e68
4 changed files with 43 additions and 46 deletions
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20
modules/gdscript/gdscript_compiler.cpp
View File

@ -1603,13 +1603,13 @@ Error GDScriptCompiler::_parse_block(CodeGen &codegen, const GDScriptParser::Blo
return OK;
}
Error GDScriptCompiler::_parse_function(Ref<GDScript> p_script, const GDScriptParser::ClassNode *p_class, const GDScriptParser::FunctionNode *p_func, bool p_for_ready) {
Error GDScriptCompiler::_parse_function(GDScript *p_script, const GDScriptParser::ClassNode *p_class, const GDScriptParser::FunctionNode *p_func, bool p_for_ready) {
Vector<int> bytecode;
CodeGen codegen;
codegen.class_node = p_class;
codegen.script = p_script.ptr();
codegen.script = p_script;
codegen.function_node = p_func;
codegen.stack_max = 0;
codegen.current_line = 0;
@ -1853,7 +1853,7 @@ Error GDScriptCompiler::_parse_function(Ref<GDScript> p_script, const GDScriptPa
return OK;
}
Error GDScriptCompiler::_parse_class_level(Ref<GDScript> p_script, Ref<GDScript> p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
if (p_class->owner && p_class->owner->owner) {
// Owner is not root
@ -1887,7 +1887,7 @@ Error GDScriptCompiler::_parse_class_level(Ref<GDScript> p_script, Ref<GDScript>
p_script->initializer = NULL;
p_script->subclasses.clear();
p_script->_owner = p_owner.ptr();
p_script->_owner = p_owner;
p_script->tool = p_class->tool;
p_script->name = p_class->name;
@ -1994,7 +1994,7 @@ Error GDScriptCompiler::_parse_class_level(Ref<GDScript> p_script, Ref<GDScript>
StringName name = p_class->_signals[i].name;
GDScript *c = p_script.ptr();
GDScript *c = p_script;
while (c) {
@ -2054,7 +2054,7 @@ Error GDScriptCompiler::_parse_class_level(Ref<GDScript> p_script, Ref<GDScript>
return OK;
}
Error GDScriptCompiler::_parse_class_blocks(Ref<GDScript> p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
Error GDScriptCompiler::_parse_class_blocks(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
//parse methods
bool has_initializer = false;
@ -2159,7 +2159,7 @@ Error GDScriptCompiler::_parse_class_blocks(Ref<GDScript> p_script, const GDScri
return OK;
}
void GDScriptCompiler::_make_scripts(const Ref<GDScript> p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
void GDScriptCompiler::_make_scripts(const GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state) {
Map<StringName, Ref<GDScript> > old_subclasses;
@ -2178,20 +2178,20 @@ void GDScriptCompiler::_make_scripts(const Ref<GDScript> p_script, const GDScrip
subclass.instance();
}
subclass->_owner = const_cast<GDScript *>(p_script.ptr());
subclass->_owner = const_cast<GDScript *>(p_script);
class_map.insert(name, subclass);
_make_scripts(subclass.ptr(), p_class->subclasses[i], p_keep_state);
}
}
Error GDScriptCompiler::compile(const GDScriptParser *p_parser, Ref<GDScript> p_script, bool p_keep_state) {
Error GDScriptCompiler::compile(const GDScriptParser *p_parser, GDScript *p_script, bool p_keep_state) {
err_line = -1;
err_column = -1;
error = "";
parser = p_parser;
main_script = p_script.ptr();
main_script = p_script;
const GDScriptParser::Node *root = parser->get_parse_tree();
ERR_FAIL_COND_V(root->type != GDScriptParser::Node::TYPE_CLASS, ERR_INVALID_DATA);

10
modules/gdscript/gdscript_compiler.h
View File

@ -148,17 +148,17 @@ class GDScriptCompiler {
int _parse_assign_right_expression(CodeGen &codegen, const GDScriptParser::OperatorNode *p_expression, int p_stack_level);
int _parse_expression(CodeGen &codegen, const GDScriptParser::Node *p_expression, int p_stack_level, bool p_root = false, bool p_initializer = false);
Error _parse_block(CodeGen &codegen, const GDScriptParser::BlockNode *p_block, int p_stack_level = 0, int p_break_addr = -1, int p_continue_addr = -1);
Error _parse_function(Ref<GDScript> p_script, const GDScriptParser::ClassNode *p_class, const GDScriptParser::FunctionNode *p_func, bool p_for_ready = false);
Error _parse_class_level(Ref<GDScript> p_script, Ref<GDScript> p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
Error _parse_class_blocks(Ref<GDScript> p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
void _make_scripts(const Ref<GDScript> p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
Error _parse_function(GDScript *p_script, const GDScriptParser::ClassNode *p_class, const GDScriptParser::FunctionNode *p_func, bool p_for_ready = false);
Error _parse_class_level(GDScript *p_script, GDScript *p_owner, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
Error _parse_class_blocks(GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
void _make_scripts(const GDScript *p_script, const GDScriptParser::ClassNode *p_class, bool p_keep_state);
int err_line;
int err_column;
StringName source;
String error;
public:
Error compile(const GDScriptParser *p_parser, Ref<GDScript> p_script, bool p_keep_state = false);
Error compile(const GDScriptParser *p_parser, GDScript *p_script, bool p_keep_state = false);
String get_error() const;
int get_error_line() const;

49
modules/gdscript/gdscript_function.cpp
View File

@ -275,7 +275,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
#endif
uint32_t alloca_size = 0;
GDScript *script;
GDScript *_class;
int ip = 0;
int line = _initial_line;
@ -286,7 +286,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
line = p_state->line;
ip = p_state->ip;
alloca_size = p_state->stack.size();
script = p_state->script.ptr();
_class = p_state->_class;
p_instance = p_state->instance;
defarg = p_state->defarg;
self = p_state->self;
@ -368,9 +368,9 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
} else {
self = p_instance->owner;
}
script = p_instance->script.ptr();
_class = p_instance->script.ptr();
} else {
script = this->_script.ptr();
_class = _script;
}
}
@ -395,7 +395,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
#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, _class, self, stack, err_text); \
if (unlikely(!m_v)) \
OPCODE_BREAK;
@ -404,7 +404,7 @@ 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, _class, self, stack, err_text);
#endif
@ -1185,7 +1185,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
GET_VARIANT_PTR(dst, argc + 3);
const GDScript *gds = _script.ptr();
const GDScript *gds = _script;
const Map<StringName, GDScriptFunction *>::Element *E = NULL;
while (gds->base.ptr()) {
@ -1256,10 +1256,11 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
gdfs->state.stack_size = _stack_size;
gdfs->state.self = self;
gdfs->state.alloca_size = alloca_size;
gdfs->state.script = _script;
gdfs->state._class = _class;
gdfs->state.ip = ip + ipofs;
gdfs->state.line = line;
gdfs->state.instance_id = (p_instance && p_instance->get_owner()) ? p_instance->get_owner()->get_instance_id() : 0;
gdfs->state.script_id = _class->get_instance_id();
//gdfs->state.result_pos=ip+ipofs-1;
gdfs->state.defarg = defarg;
gdfs->state.instance = p_instance;
@ -1548,8 +1549,8 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a
String err_file;
if (p_instance)
err_file = p_instance->script->path;
else if (script)
err_file = script->path;
else if (_class)
err_file = _class->path;
if (err_file == "")
err_file = "<built-in>";
String err_func = name;
@ -1764,19 +1765,14 @@ GDScriptFunction::~GDScriptFunction() {
Variant GDScriptFunctionState::_signal_callback(const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
#ifdef DEBUG_ENABLED
// Checking this first since it's faster
if (!state.script.is_valid()) {
ERR_EXPLAIN("Resumed after yield, but script is gone");
ERR_FAIL_V(Variant());
}
if (state.instance_id && !ObjectDB::get_instance(state.instance_id)) {
ERR_EXPLAIN("Resumed after yield, but class instance is gone");
ERR_FAIL_V(Variant());
}
#else
if (!is_valid()) {
return Variant();
if (state.script_id && !ObjectDB::get_instance(state.script_id)) {
ERR_EXPLAIN("Resumed after yield, but script is gone");
ERR_FAIL_V(Variant());
}
#endif
@ -1845,12 +1841,12 @@ bool GDScriptFunctionState::is_valid(bool p_extended_check) const {
return false;
if (p_extended_check) {
//script gone? (checking this first since it's faster)
if (!state.script.is_valid())
return false;
//class instance gone?
if (state.instance_id && !ObjectDB::get_instance(state.instance_id))
return false;
//script gone?
if (state.script_id && !ObjectDB::get_instance(state.script_id))
return false;
}
return true;
@ -1860,14 +1856,13 @@ Variant GDScriptFunctionState::resume(const Variant &p_arg) {
ERR_FAIL_COND_V(!function, Variant());
#ifdef DEBUG_ENABLED
// Checking this first since it's faster
if (!state.script.is_valid()) {
ERR_EXPLAIN("Resumed after yield, but script is gone");
if (state.instance_id && !ObjectDB::get_instance(state.instance_id)) {
ERR_EXPLAIN("Resumed after yield, but class instance is gone");
ERR_FAIL_V(Variant());
}
if (state.instance_id && !ObjectDB::get_instance(state.instance_id)) {
ERR_EXPLAIN("Resumed after yield, but class instance is gone");
if (state.script_id && !ObjectDB::get_instance(state.script_id)) {
ERR_EXPLAIN("Resumed after yield, but script is gone");
ERR_FAIL_V(Variant());
}
#endif

10
modules/gdscript/gdscript_function.h
View File

@ -225,7 +225,7 @@ private:
bool _static;
MultiplayerAPI::RPCMode rpc_mode;
Ref<GDScript> _script;
GDScript *_script;
StringName name;
Vector<Variant> constants;
@ -272,13 +272,15 @@ private:
public:
struct CallState {
ObjectID instance_id;
ObjectID instance_id; //by debug only
ObjectID script_id;
GDScriptInstance *instance;
Vector<uint8_t> stack;
int stack_size;
Variant self;
uint32_t alloca_size;
Ref<GDScript> script;
GDScript *_class;
int ip;
int line;
int defarg;
@ -297,7 +299,7 @@ public:
int get_default_argument_addr(int p_idx) const;
GDScriptDataType get_return_type() const;
GDScriptDataType get_argument_type(int p_idx) const;
GDScript *get_script() const { return const_cast<GDScript *>(_script.ptr()); }
GDScript *get_script() const { return _script; }
StringName get_source() const { return source; }
void debug_get_stack_member_state(int p_line, List<Pair<StringName, int> > *r_stackvars) const;