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path: root/modules/gdscript/gd_script.cpp
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-rw-r--r--modules/gdscript/gd_script.cpp1426
1 files changed, 0 insertions, 1426 deletions
diff --git a/modules/gdscript/gd_script.cpp b/modules/gdscript/gd_script.cpp
index b1919b3468..7672faf620 100644
--- a/modules/gdscript/gd_script.cpp
+++ b/modules/gdscript/gd_script.cpp
@@ -34,1432 +34,6 @@
#include "io/file_access_encrypted.h"
#include "os/os.h"
-
-
-Variant *GDFunction::_get_variant(int p_address,GDInstance *p_instance,GDScript *p_script,Variant &self, Variant *p_stack,String& r_error) const{
-
- int address = p_address&ADDR_MASK;
-
- //sequential table (jump table generated by compiler)
- switch((p_address&ADDR_TYPE_MASK)>>ADDR_BITS) {
-
- case ADDR_TYPE_SELF: {
-
- if (!p_instance) {
- r_error="Cannot access self without instance.";
- return NULL;
- }
- return &self;
- } break;
- case ADDR_TYPE_CLASS: {
-
- return &p_script->_static_ref;
- } break;
- case ADDR_TYPE_MEMBER: {
- //member indexing is O(1)
- if (!p_instance) {
- r_error="Cannot access member without instance.";
- return NULL;
- }
- return &p_instance->members[address];
- } break;
- case ADDR_TYPE_CLASS_CONSTANT: {
-
- //todo change to index!
- GDScript *o=p_script;
- ERR_FAIL_INDEX_V(address,_global_names_count,NULL);
- const StringName *sn = &_global_names_ptr[address];
-
- while(o) {
- GDScript *s=o;
- while(s) {
-
- Map<StringName,Variant>::Element *E=s->constants.find(*sn);
- if (E) {
- return &E->get();
- }
- s=s->_base;
- }
- o=o->_owner;
- }
-
-
- ERR_EXPLAIN("GDCompiler bug..");
- ERR_FAIL_V(NULL);
- } break;
- case ADDR_TYPE_LOCAL_CONSTANT: {
- ERR_FAIL_INDEX_V(address,_constant_count,NULL);
- return &_constants_ptr[address];
- } break;
- case ADDR_TYPE_STACK:
- case ADDR_TYPE_STACK_VARIABLE: {
- ERR_FAIL_INDEX_V(address,_stack_size,NULL);
- return &p_stack[address];
- } break;
- case ADDR_TYPE_GLOBAL: {
-
-
- ERR_FAIL_INDEX_V(address,GDScriptLanguage::get_singleton()->get_global_array_size(),NULL);
-
-
- return &GDScriptLanguage::get_singleton()->get_global_array()[address];
- } break;
- case ADDR_TYPE_NIL: {
- return &nil;
- } break;
- }
-
- ERR_EXPLAIN("Bad Code! (Addressing Mode)");
- ERR_FAIL_V(NULL);
- return NULL;
-}
-
-
-String GDFunction::_get_call_error(const Variant::CallError& p_err, const String& p_where,const Variant**argptrs) const {
-
-
-
- String err_text;
-
- if (p_err.error==Variant::CallError::CALL_ERROR_INVALID_ARGUMENT) {
- int errorarg=p_err.argument;
- err_text="Invalid type in "+p_where+". Cannot convert argument "+itos(errorarg+1)+" from "+Variant::get_type_name(argptrs[errorarg]->get_type())+" to "+Variant::get_type_name(p_err.expected)+".";
- } else if (p_err.error==Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS) {
- err_text="Invalid call to "+p_where+". Expected "+itos(p_err.argument)+" arguments.";
- } else if (p_err.error==Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS) {
- err_text="Invalid call to "+p_where+". Expected "+itos(p_err.argument)+" arguments.";
- } else if (p_err.error==Variant::CallError::CALL_ERROR_INVALID_METHOD) {
- err_text="Invalid call. Nonexistent "+p_where+".";
- } else if (p_err.error==Variant::CallError::CALL_ERROR_INSTANCE_IS_NULL) {
- err_text="Attempt to call "+p_where+" on a null instance.";
- } else {
- err_text="Bug, call error: #"+itos(p_err.error);
- }
-
- return err_text;
-
-}
-
-static String _get_var_type(const Variant* p_type) {
-
- String basestr;
-
- if (p_type->get_type()==Variant::OBJECT) {
- Object *bobj = *p_type;
- if (!bobj) {
- basestr = "null instance";
- } else {
-#ifdef DEBUG_ENABLED
- if (ObjectDB::instance_validate(bobj)) {
- if (bobj->get_script_instance())
- basestr= bobj->get_type()+" ("+bobj->get_script_instance()->get_script()->get_path().get_file()+")";
- else
- basestr = bobj->get_type();
- } else {
- basestr="previously freed instance";
- }
-
-#else
- basestr="Object";
-#endif
- }
-
- } else {
- basestr = Variant::get_type_name(p_type->get_type());
- }
-
- return basestr;
-
-}
-
-Variant GDFunction::call(GDInstance *p_instance, const Variant **p_args, int p_argcount, Variant::CallError& r_err, CallState *p_state) {
-
-
- if (!_code_ptr) {
-
- return Variant();
- }
-
- r_err.error=Variant::CallError::CALL_OK;
-
- Variant self;
- Variant retvalue;
- Variant *stack = NULL;
- Variant **call_args;
- int defarg=0;
-
-#ifdef DEBUG_ENABLED
-
- //GDScriptLanguage::get_singleton()->calls++;
-
-#endif
-
- uint32_t alloca_size=0;
- GDScript *_class;
- int ip=0;
- int line=_initial_line;
-
-
-
- if (p_state) {
- //use existing (supplied) state (yielded)
- stack=(Variant*)p_state->stack.ptr();
- call_args=(Variant**)&p_state->stack[sizeof(Variant)*p_state->stack_size];
- line=p_state->line;
- ip=p_state->ip;
- alloca_size=p_state->stack.size();
- _class=p_state->_class;
- p_instance=p_state->instance;
- defarg=p_state->defarg;
- self=p_state->self;
- //stack[p_state->result_pos]=p_state->result; //assign stack with result
-
- } else {
-
- if (p_argcount!=_argument_count) {
-
- if (p_argcount>_argument_count) {
-
- r_err.error=Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
- r_err.argument=_argument_count;
-
-
- return Variant();
- } else if (p_argcount < _argument_count - _default_arg_count) {
-
- r_err.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
- r_err.argument=_argument_count - _default_arg_count;
- return Variant();
- } else {
-
- defarg=_argument_count-p_argcount;
- }
- }
-
- alloca_size = sizeof(Variant*)*_call_size + sizeof(Variant)*_stack_size;
-
- if (alloca_size) {
-
- uint8_t *aptr = (uint8_t*)alloca(alloca_size);
-
- if (_stack_size) {
-
- stack=(Variant*)aptr;
- for(int i=0;i<p_argcount;i++)
- memnew_placement(&stack[i],Variant(*p_args[i]));
- for(int i=p_argcount;i<_stack_size;i++)
- memnew_placement(&stack[i],Variant);
- } else {
- stack=NULL;
- }
-
- if (_call_size) {
-
- call_args = (Variant**)&aptr[sizeof(Variant)*_stack_size];
- } else {
-
- call_args=NULL;
- }
-
-
- } else {
- stack=NULL;
- call_args=NULL;
- }
-
- if (p_instance) {
- if (p_instance->base_ref && static_cast<Reference*>(p_instance->owner)->is_referenced()) {
-
- self=REF(static_cast<Reference*>(p_instance->owner));
- } else {
- self=p_instance->owner;
- }
- _class=p_instance->script.ptr();
- } else {
- _class=_script;
- }
- }
-
- String err_text;
-
-#ifdef DEBUG_ENABLED
-
- if (ScriptDebugger::get_singleton())
- GDScriptLanguage::get_singleton()->enter_function(p_instance,this,stack,&ip,&line);
-
-#define CHECK_SPACE(m_space)\
- 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,_class,self,stack,err_text);\
- if (!m_v)\
- break;
-
-
-#else
-#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,_class,self,stack,err_text);
-
-#endif
-
-
-#ifdef DEBUG_ENABLED
-
- uint64_t function_start_time;
- uint64_t function_call_time;
-
- if (GDScriptLanguage::get_singleton()->profiling) {
- function_start_time=OS::get_singleton()->get_ticks_usec();
- function_call_time=0;
- profile.call_count++;
- profile.frame_call_count++;
- }
-#endif
- bool exit_ok=false;
-
- while(ip<_code_size) {
-
-
- int last_opcode=_code_ptr[ip];
- switch(_code_ptr[ip]) {
-
- case OPCODE_OPERATOR: {
-
- CHECK_SPACE(5);
-
- bool valid;
- Variant::Operator op = (Variant::Operator)_code_ptr[ip+1];
- ERR_BREAK(op>=Variant::OP_MAX);
-
- GET_VARIANT_PTR(a,2);
- GET_VARIANT_PTR(b,3);
- GET_VARIANT_PTR(dst,4);
-
-#ifdef DEBUG_ENABLED
- Variant ret;
- Variant::evaluate(op,*a,*b,ret,valid);
-#else
- Variant::evaluate(op,*a,*b,*dst,valid);
-#endif
-
- if (!valid) {
-#ifdef DEBUG_ENABLED
-
- if (ret.get_type()==Variant::STRING) {
- //return a string when invalid with the error
- err_text=ret;
- err_text += " in operator '"+Variant::get_operator_name(op)+"'.";
- } else {
- err_text="Invalid operands '"+Variant::get_type_name(a->get_type())+"' and '"+Variant::get_type_name(b->get_type())+"' in operator '"+Variant::get_operator_name(op)+"'.";
- }
-#endif
- break;
-
- }
-#ifdef DEBUG_ENABLED
- *dst=ret;
-#endif
-
- ip+=5;
-
- } continue;
- case OPCODE_EXTENDS_TEST: {
-
- CHECK_SPACE(4);
-
- GET_VARIANT_PTR(a,1);
- GET_VARIANT_PTR(b,2);
- GET_VARIANT_PTR(dst,3);
-
-#ifdef DEBUG_ENABLED
-
- if (a->get_type()!=Variant::OBJECT || a->operator Object*()==NULL) {
-
- err_text="Left operand of 'extends' is not an instance of anything.";
- break;
-
- }
- if (b->get_type()!=Variant::OBJECT || b->operator Object*()==NULL) {
-
- err_text="Right operand of 'extends' is not a class.";
- break;
-
- }
-#endif
-
-
- Object *obj_A = *a;
- Object *obj_B = *b;
-
-
- GDScript *scr_B = obj_B->cast_to<GDScript>();
-
- bool extends_ok=false;
-
- if (scr_B) {
- //if B is a script, the only valid condition is that A has an instance which inherits from the script
- //in other situation, this shoul return false.
-
- if (obj_A->get_script_instance() && obj_A->get_script_instance()->get_language()==GDScriptLanguage::get_singleton()) {
-
- GDInstance *ins = static_cast<GDInstance*>(obj_A->get_script_instance());
- GDScript *cmp = ins->script.ptr();
- //bool found=false;
- while(cmp) {
-
- if (cmp==scr_B) {
- //inherits from script, all ok
- extends_ok=true;
- break;
-
- }
-
- cmp=cmp->_base;
- }
-
- }
-
-
- } else {
-
- GDNativeClass *nc= obj_B->cast_to<GDNativeClass>();
-
- if (!nc) {
-
- err_text="Right operand of 'extends' is not a class (type: '"+obj_B->get_type()+"').";
- break;
- }
-
- extends_ok=ObjectTypeDB::is_type(obj_A->get_type_name(),nc->get_name());
- }
-
- *dst=extends_ok;
- ip+=4;
-
- } continue;
- case OPCODE_SET: {
-
- CHECK_SPACE(3);
-
- GET_VARIANT_PTR(dst,1);
- GET_VARIANT_PTR(index,2);
- GET_VARIANT_PTR(value,3);
-
- bool valid;
- dst->set(*index,*value,&valid);
-
- if (!valid) {
- String v = index->operator String();
- if (v!="") {
- v="'"+v+"'";
- } else {
- v="of type '"+_get_var_type(index)+"'";
- }
- err_text="Invalid set index "+v+" (on base: '"+_get_var_type(dst)+"').";
- break;
- }
-
- ip+=4;
- } continue;
- case OPCODE_GET: {
-
- CHECK_SPACE(3);
-
- GET_VARIANT_PTR(src,1);
- GET_VARIANT_PTR(index,2);
- GET_VARIANT_PTR(dst,3);
-
- bool valid;
-#ifdef DEBUG_ENABLED
- //allow better error message in cases where src and dst are the same stack position
- Variant ret = src->get(*index,&valid);
-#else
- *dst = src->get(*index,&valid);
-
-#endif
- if (!valid) {
- String v = index->operator String();
- if (v!="") {
- v="'"+v+"'";
- } else {
- v="of type '"+_get_var_type(index)+"'";
- }
- err_text="Invalid get index "+v+" (on base: '"+_get_var_type(src)+"').";
- break;
- }
-#ifdef DEBUG_ENABLED
- *dst=ret;
-#endif
- ip+=4;
- } continue;
- case OPCODE_SET_NAMED: {
-
- CHECK_SPACE(3);
-
- GET_VARIANT_PTR(dst,1);
- GET_VARIANT_PTR(value,3);
-
- int indexname = _code_ptr[ip+2];
-
- ERR_BREAK(indexname<0 || indexname>=_global_names_count);
- const StringName *index = &_global_names_ptr[indexname];
-
- bool valid;
- dst->set_named(*index,*value,&valid);
-
- if (!valid) {
- String err_type;
- err_text="Invalid set index '"+String(*index)+"' (on base: '"+_get_var_type(dst)+"').";
- break;
- }
-
- ip+=4;
- } continue;
- case OPCODE_GET_NAMED: {
-
-
- CHECK_SPACE(3);
-
- GET_VARIANT_PTR(src,1);
- GET_VARIANT_PTR(dst,3);
-
- int indexname = _code_ptr[ip+2];
-
- ERR_BREAK(indexname<0 || indexname>=_global_names_count);
- const StringName *index = &_global_names_ptr[indexname];
-
- bool valid;
-#ifdef DEBUG_ENABLED
- //allow better error message in cases where src and dst are the same stack position
- Variant ret = src->get_named(*index,&valid);
-
-#else
- *dst = src->get_named(*index,&valid);
-#endif
-
- if (!valid) {
- if (src->has_method(*index)) {
- err_text="Invalid get index '"+index->operator String()+"' (on base: '"+_get_var_type(src)+"'). Did you mean '."+index->operator String()+"()' ?";
- } else {
- err_text="Invalid get index '"+index->operator String()+"' (on base: '"+_get_var_type(src)+"').";
- }
- break;
- }
-#ifdef DEBUG_ENABLED
- *dst=ret;
-#endif
- ip+=4;
- } continue;
- case OPCODE_ASSIGN: {
-
- CHECK_SPACE(3);
- GET_VARIANT_PTR(dst,1);
- GET_VARIANT_PTR(src,2);
-
- *dst = *src;
-
- ip+=3;
-
- } continue;
- case OPCODE_ASSIGN_TRUE: {
-
- CHECK_SPACE(2);
- GET_VARIANT_PTR(dst,1);
-
- *dst = true;
-
- ip+=2;
- } continue;
- case OPCODE_ASSIGN_FALSE: {
-
- CHECK_SPACE(2);
- GET_VARIANT_PTR(dst,1);
-
- *dst = false;
-
- ip+=2;
- } continue;
- case OPCODE_CONSTRUCT: {
-
- CHECK_SPACE(2);
- Variant::Type t=Variant::Type(_code_ptr[ip+1]);
- int argc=_code_ptr[ip+2];
- CHECK_SPACE(argc+2);
- Variant **argptrs = call_args;
- for(int i=0;i<argc;i++) {
- GET_VARIANT_PTR(v,3+i);
- argptrs[i]=v;
- }
-
- GET_VARIANT_PTR(dst,3+argc);
- Variant::CallError err;
- *dst = Variant::construct(t,(const Variant**)argptrs,argc,err);
-
- if (err.error!=Variant::CallError::CALL_OK) {
-
- err_text=_get_call_error(err,"'"+Variant::get_type_name(t)+"' constructor",(const Variant**)argptrs);
- break;
- }
-
- ip+=4+argc;
- //construct a basic type
- } continue;
- case OPCODE_CONSTRUCT_ARRAY: {
-
- CHECK_SPACE(1);
- int argc=_code_ptr[ip+1];
- Array array(true); //arrays are always shared
- array.resize(argc);
- CHECK_SPACE(argc+2);
-
- for(int i=0;i<argc;i++) {
- GET_VARIANT_PTR(v,2+i);
- array[i]=*v;
-
- }
-
- GET_VARIANT_PTR(dst,2+argc);
-
- *dst=array;
-
- ip+=3+argc;
-
- } continue;
- case OPCODE_CONSTRUCT_DICTIONARY: {
-
- CHECK_SPACE(1);
- int argc=_code_ptr[ip+1];
- Dictionary dict(true); //arrays are always shared
-
- CHECK_SPACE(argc*2+2);
-
- for(int i=0;i<argc;i++) {
-
- GET_VARIANT_PTR(k,2+i*2+0);
- GET_VARIANT_PTR(v,2+i*2+1);
- dict[*k]=*v;
-
- }
-
- GET_VARIANT_PTR(dst,2+argc*2);
-
- *dst=dict;
-
- ip+=3+argc*2;
-
- } continue;
- case OPCODE_CALL_RETURN:
- case OPCODE_CALL: {
-
-
- CHECK_SPACE(4);
- bool call_ret = _code_ptr[ip]==OPCODE_CALL_RETURN;
-
- int argc=_code_ptr[ip+1];
- GET_VARIANT_PTR(base,2);
- int nameg=_code_ptr[ip+3];
-
- ERR_BREAK(nameg<0 || nameg>=_global_names_count);
- const StringName *methodname = &_global_names_ptr[nameg];
-
- ERR_BREAK(argc<0);
- ip+=4;
- CHECK_SPACE(argc+1);
- Variant **argptrs = call_args;
-
- for(int i=0;i<argc;i++) {
- GET_VARIANT_PTR(v,i);
- argptrs[i]=v;
- }
-
-#ifdef DEBUG_ENABLED
- uint64_t call_time;
-
- if (GDScriptLanguage::get_singleton()->profiling) {
- call_time=OS::get_singleton()->get_ticks_usec();
- }
-
-#endif
- Variant::CallError err;
- if (call_ret) {
-
- GET_VARIANT_PTR(ret,argc);
- *ret = base->call(*methodname,(const Variant**)argptrs,argc,err);
- } else {
-
- base->call(*methodname,(const Variant**)argptrs,argc,err);
- }
-#ifdef DEBUG_ENABLED
- if (GDScriptLanguage::get_singleton()->profiling) {
- function_call_time+=OS::get_singleton()->get_ticks_usec() - call_time;
- }
-#endif
-
- if (err.error!=Variant::CallError::CALL_OK) {
-
-
- String methodstr = *methodname;
- String basestr = _get_var_type(base);
-
- if (methodstr=="call") {
- if (argc>=1) {
- methodstr=String(*argptrs[0])+" (via call)";
- if (err.error==Variant::CallError::CALL_ERROR_INVALID_ARGUMENT) {
- err.argument-=1;
- }
- }
- } if (methodstr=="free") {
-
- if (err.error==Variant::CallError::CALL_ERROR_INVALID_METHOD) {
-
- if (base->is_ref()) {
- err_text="Attempted to free a reference.";
- break;
- } else if (base->get_type()==Variant::OBJECT) {
-
- err_text="Attempted to free a locked object (calling or emitting).";
- break;
- }
- }
- }
- err_text=_get_call_error(err,"function '"+methodstr+"' in base '"+basestr+"'",(const Variant**)argptrs);
- break;
- }
-
- //_call_func(NULL,base,*methodname,ip,argc,p_instance,stack);
- ip+=argc+1;
-
- } continue;
- case OPCODE_CALL_BUILT_IN: {
-
- CHECK_SPACE(4);
-
- GDFunctions::Function func = GDFunctions::Function(_code_ptr[ip+1]);
- int argc=_code_ptr[ip+2];
- ERR_BREAK(argc<0);
-
- ip+=3;
- CHECK_SPACE(argc+1);
- Variant **argptrs = call_args;
-
- for(int i=0;i<argc;i++) {
- GET_VARIANT_PTR(v,i);
- argptrs[i]=v;
- }
-
- GET_VARIANT_PTR(dst,argc);
-
- Variant::CallError err;
-
- GDFunctions::call(func,(const Variant**)argptrs,argc,*dst,err);
-
- if (err.error!=Variant::CallError::CALL_OK) {
-
-
- String methodstr = GDFunctions::get_func_name(func);
- err_text=_get_call_error(err,"built-in function '"+methodstr+"'",(const Variant**)argptrs);
- break;
- }
- ip+=argc+1;
-
- } continue;
- case OPCODE_CALL_SELF: {
-
-
- } break;
- case OPCODE_CALL_SELF_BASE: {
-
- CHECK_SPACE(2);
- int self_fun = _code_ptr[ip+1];
-#ifdef DEBUG_ENABLED
-
- if (self_fun<0 || self_fun>=_global_names_count) {
-
- err_text="compiler bug, function name not found";
- break;
- }
-#endif
- const StringName *methodname = &_global_names_ptr[self_fun];
-
- int argc=_code_ptr[ip+2];
-
- CHECK_SPACE(2+argc+1);
-
- Variant **argptrs = call_args;
-
- for(int i=0;i<argc;i++) {
- GET_VARIANT_PTR(v,i+3);
- argptrs[i]=v;
- }
-
- GET_VARIANT_PTR(dst,argc+3);
-
- const GDScript *gds = _script;
-
-
- const Map<StringName,GDFunction*>::Element *E=NULL;
- while (gds->base.ptr()) {
- gds=gds->base.ptr();
- E=gds->member_functions.find(*methodname);
- if (E)
- break;
- }
-
- Variant::CallError err;
-
- if (E) {
-
- *dst=E->get()->call(p_instance,(const Variant**)argptrs,argc,err);
- } else if (gds->native.ptr()) {
-
- if (*methodname!=GDScriptLanguage::get_singleton()->strings._init) {
-
- MethodBind *mb = ObjectTypeDB::get_method(gds->native->get_name(),*methodname);
- if (!mb) {
- err.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
- } else {
- *dst=mb->call(p_instance->owner,(const Variant**)argptrs,argc,err);
- }
- } else {
- err.error=Variant::CallError::CALL_OK;
- }
- } else {
-
- if (*methodname!=GDScriptLanguage::get_singleton()->strings._init) {
- err.error=Variant::CallError::CALL_ERROR_INVALID_METHOD;
- } else {
- err.error=Variant::CallError::CALL_OK;
- }
- }
-
-
- if (err.error!=Variant::CallError::CALL_OK) {
-
-
- String methodstr = *methodname;
- err_text=_get_call_error(err,"function '"+methodstr+"'",(const Variant**)argptrs);
-
- break;
- }
-
- ip+=4+argc;
-
- } continue;
- case OPCODE_YIELD:
- case OPCODE_YIELD_SIGNAL: {
-
- int ipofs=1;
- if (_code_ptr[ip]==OPCODE_YIELD_SIGNAL) {
- CHECK_SPACE(4);
- ipofs+=2;
- } else {
- CHECK_SPACE(2);
-
- }
-
- Ref<GDFunctionState> gdfs = memnew( GDFunctionState );
- gdfs->function=this;
-
- gdfs->state.stack.resize(alloca_size);
- //copy variant stack
- for(int i=0;i<_stack_size;i++) {
- memnew_placement(&gdfs->state.stack[sizeof(Variant)*i],Variant(stack[i]));
- }
- gdfs->state.stack_size=_stack_size;
- gdfs->state.self=self;
- gdfs->state.alloca_size=alloca_size;
- gdfs->state._class=_class;
- gdfs->state.ip=ip+ipofs;
- gdfs->state.line=line;
- //gdfs->state.result_pos=ip+ipofs-1;
- gdfs->state.defarg=defarg;
- gdfs->state.instance=p_instance;
- gdfs->function=this;
-
- retvalue=gdfs;
-
- if (_code_ptr[ip]==OPCODE_YIELD_SIGNAL) {
- GET_VARIANT_PTR(argobj,1);
- GET_VARIANT_PTR(argname,2);
- //do the oneshot connect
-
- if (argobj->get_type()!=Variant::OBJECT) {
- err_text="First argument of yield() not of type object.";
- break;
- }
- if (argname->get_type()!=Variant::STRING) {
- err_text="Second argument of yield() not a string (for signal name).";
- break;
- }
- Object *obj=argobj->operator Object *();
- String signal = argname->operator String();
-#ifdef DEBUG_ENABLED
-
- if (!obj) {
- err_text="First argument of yield() is null.";
- break;
- }
- if (ScriptDebugger::get_singleton()) {
- if (!ObjectDB::instance_validate(obj)) {
- err_text="First argument of yield() is a previously freed instance.";
- break;
- }
- }
- if (signal.length()==0) {
-
- err_text="Second argument of yield() is an empty string (for signal name).";
- break;
- }
-
-#endif
- Error err = obj->connect(signal,gdfs.ptr(),"_signal_callback",varray(gdfs),Object::CONNECT_ONESHOT);
- if (err!=OK) {
- err_text="Error connecting to signal: "+signal+" during yield().";
- break;
- }
-
-
- }
-
- exit_ok=true;
-
- } break;
- case OPCODE_YIELD_RESUME: {
-
- CHECK_SPACE(2);
- if (!p_state) {
- err_text=("Invalid Resume (bug?)");
- break;
- }
- GET_VARIANT_PTR(result,1);
- *result=p_state->result;
- ip+=2;
-
- } continue;
- case OPCODE_JUMP: {
-
- CHECK_SPACE(2);
- int to = _code_ptr[ip+1];
-
- ERR_BREAK(to<0 || to>_code_size);
- ip=to;
-
- } continue;
- case OPCODE_JUMP_IF: {
-
- CHECK_SPACE(3);
-
- GET_VARIANT_PTR(test,1);
-
- bool valid;
- bool result = test->booleanize(valid);
-#ifdef DEBUG_ENABLED
- if (!valid) {
-
- err_text="cannot evaluate conditional expression of type: "+Variant::get_type_name(test->get_type());
- break;
- }
-#endif
- if (result) {
- int to = _code_ptr[ip+2];
- ERR_BREAK(to<0 || to>_code_size);
- ip=to;
- continue;
- }
- ip+=3;
- } continue;
- case OPCODE_JUMP_IF_NOT: {
-
- CHECK_SPACE(3);
-
- GET_VARIANT_PTR(test,1);
-
- bool valid;
- bool result = test->booleanize(valid);
-#ifdef DEBUG_ENABLED
- if (!valid) {
-
- err_text="cannot evaluate conditional expression of type: "+Variant::get_type_name(test->get_type());
- break;
- }
-#endif
- if (!result) {
- int to = _code_ptr[ip+2];
- ERR_BREAK(to<0 || to>_code_size);
- ip=to;
- continue;
- }
- ip+=3;
- } continue;
- case OPCODE_JUMP_TO_DEF_ARGUMENT: {
-
- CHECK_SPACE(2);
- ip=_default_arg_ptr[defarg];
-
- } continue;
- case OPCODE_RETURN: {
-
- CHECK_SPACE(2);
- GET_VARIANT_PTR(r,1);
- retvalue=*r;
- exit_ok=true;
-
- } break;
- case OPCODE_ITERATE_BEGIN: {
-
- CHECK_SPACE(8); //space for this an regular iterate
-
- GET_VARIANT_PTR(counter,1);
- GET_VARIANT_PTR(container,2);
-
- bool valid;
- if (!container->iter_init(*counter,valid)) {
- if (!valid) {
- err_text="Unable to iterate on object of type "+Variant::get_type_name(container->get_type())+"'.";
- break;
- }
- int jumpto=_code_ptr[ip+3];
- ERR_BREAK(jumpto<0 || jumpto>_code_size);
- ip=jumpto;
- continue;
- }
- GET_VARIANT_PTR(iterator,4);
-
-
- *iterator=container->iter_get(*counter,valid);
- if (!valid) {
- err_text="Unable to obtain iterator object of type "+Variant::get_type_name(container->get_type())+"'.";
- break;
- }
-
-
- ip+=5; //skip regular iterate which is always next
-
- } continue;
- case OPCODE_ITERATE: {
-
- CHECK_SPACE(4);
-
- GET_VARIANT_PTR(counter,1);
- GET_VARIANT_PTR(container,2);
-
- bool valid;
- if (!container->iter_next(*counter,valid)) {
- if (!valid) {
- err_text="Unable to iterate on object of type "+Variant::get_type_name(container->get_type())+"' (type changed since first iteration?).";
- break;
- }
- int jumpto=_code_ptr[ip+3];
- ERR_BREAK(jumpto<0 || jumpto>_code_size);
- ip=jumpto;
- continue;
- }
- GET_VARIANT_PTR(iterator,4);
-
- *iterator=container->iter_get(*counter,valid);
- if (!valid) {
- err_text="Unable to obtain iterator object of type "+Variant::get_type_name(container->get_type())+"' (but was obtained on first iteration?).";
- break;
- }
-
- ip+=5; //loop again
- } continue;
- case OPCODE_ASSERT: {
- CHECK_SPACE(2);
- GET_VARIANT_PTR(test,1);
-
-#ifdef DEBUG_ENABLED
- bool valid;
- bool result = test->booleanize(valid);
-
-
- if (!valid) {
-
- err_text="cannot evaluate conditional expression of type: "+Variant::get_type_name(test->get_type());
- break;
- }
-
-
- if (!result) {
-
- err_text="Assertion failed.";
- break;
- }
-
-#endif
-
- ip+=2;
- } continue;
- case OPCODE_BREAKPOINT: {
-#ifdef DEBUG_ENABLED
- if (ScriptDebugger::get_singleton()) {
- GDScriptLanguage::get_singleton()->debug_break("Breakpoint Statement",true);
- }
-#endif
- ip+=1;
- } continue;
- case OPCODE_LINE: {
- CHECK_SPACE(2);
-
- line=_code_ptr[ip+1];
- ip+=2;
-
- if (ScriptDebugger::get_singleton()) {
- // line
- bool do_break=false;
-
- if (ScriptDebugger::get_singleton()->get_lines_left()>0) {
-
- if (ScriptDebugger::get_singleton()->get_depth()<=0)
- ScriptDebugger::get_singleton()->set_lines_left( ScriptDebugger::get_singleton()->get_lines_left() -1 );
- if (ScriptDebugger::get_singleton()->get_lines_left()<=0)
- do_break=true;
- }
-
- if (ScriptDebugger::get_singleton()->is_breakpoint(line,source))
- do_break=true;
-
- if (do_break) {
- GDScriptLanguage::get_singleton()->debug_break("Breakpoint",true);
- }
-
- ScriptDebugger::get_singleton()->line_poll();
-
- }
- } continue;
- case OPCODE_END: {
-
- exit_ok=true;
- break;
-
- } break;
- default: {
-
- err_text="Illegal opcode "+itos(_code_ptr[ip])+" at address "+itos(ip);
- } break;
-
- }
-
- if (exit_ok)
- break;
- //error
- // function, file, line, error, explanation
- String err_file;
- if (p_instance)
- err_file=p_instance->script->path;
- else if (_class)
- err_file=_class->path;
- if (err_file=="")
- err_file="<built-in>";
- String err_func = name;
- if (p_instance && p_instance->script->name!="")
- err_func=p_instance->script->name+"."+err_func;
- int err_line=line;
- if (err_text=="") {
- err_text="Internal Script Error! - opcode #"+itos(last_opcode)+" (report please).";
- }
-
- if (!GDScriptLanguage::get_singleton()->debug_break(err_text,false)) {
- // debugger break did not happen
-
- _err_print_error(err_func.utf8().get_data(),err_file.utf8().get_data(),err_line,err_text.utf8().get_data(),ERR_HANDLER_SCRIPT);
- }
-
-
- break;
- }
-
-#ifdef DEBUG_ENABLED
- if (GDScriptLanguage::get_singleton()->profiling) {
- uint64_t time_taken = OS::get_singleton()->get_ticks_usec() - function_start_time;
- profile.total_time+=time_taken;
- profile.self_time+=time_taken-function_call_time;
- profile.frame_total_time+=time_taken;
- profile.frame_self_time+=time_taken-function_call_time;
- GDScriptLanguage::get_singleton()->script_frame_time+=time_taken-function_call_time;
-
- }
-
-#endif
- if (ScriptDebugger::get_singleton())
- GDScriptLanguage::get_singleton()->exit_function();
-
-
- if (_stack_size) {
- //free stack
- for(int i=0;i<_stack_size;i++)
- stack[i].~Variant();
- }
-
- return retvalue;
-
-}
-
-const int* GDFunction::get_code() const {
-
- return _code_ptr;
-}
-int GDFunction::get_code_size() const{
-
- return _code_size;
-}
-
-Variant GDFunction::get_constant(int p_idx) const {
-
- ERR_FAIL_INDEX_V(p_idx,constants.size(),"<errconst>");
- return constants[p_idx];
-}
-
-StringName GDFunction::get_global_name(int p_idx) const {
-
- ERR_FAIL_INDEX_V(p_idx,global_names.size(),"<errgname>");
- return global_names[p_idx];
-}
-
-int GDFunction::get_default_argument_count() const {
-
- return default_arguments.size();
-}
-int GDFunction::get_default_argument_addr(int p_arg) const{
-
- ERR_FAIL_INDEX_V(p_arg,default_arguments.size(),-1);
- return default_arguments[p_arg];
-}
-
-
-StringName GDFunction::get_name() const {
-
- return name;
-}
-
-int GDFunction::get_max_stack_size() const {
-
- return _stack_size;
-}
-
-struct _GDFKC {
-
- int order;
- List<int> pos;
-};
-
-struct _GDFKCS {
-
- int order;
- StringName id;
- int pos;
-
- bool operator<(const _GDFKCS &p_r) const {
-
- return order<p_r.order;
- }
-};
-
-void GDFunction::debug_get_stack_member_state(int p_line,List<Pair<StringName,int> > *r_stackvars) const {
-
-
- int oc=0;
- Map<StringName,_GDFKC> sdmap;
- for( const List<StackDebug>::Element *E=stack_debug.front();E;E=E->next()) {
-
- const StackDebug &sd=E->get();
- if (sd.line>p_line)
- break;
-
- if (sd.added) {
-
- if (!sdmap.has(sd.identifier)) {
- _GDFKC d;
- d.order=oc++;
- d.pos.push_back(sd.pos);
- sdmap[sd.identifier]=d;
-
- } else {
- sdmap[sd.identifier].pos.push_back(sd.pos);
- }
- } else {
-
-
- ERR_CONTINUE(!sdmap.has(sd.identifier));
-
- sdmap[sd.identifier].pos.pop_back();
- if (sdmap[sd.identifier].pos.empty())
- sdmap.erase(sd.identifier);
- }
-
- }
-
-
- List<_GDFKCS> stackpositions;
- for(Map<StringName,_GDFKC>::Element *E=sdmap.front();E;E=E->next() ) {
-
- _GDFKCS spp;
- spp.id=E->key();
- spp.order=E->get().order;
- spp.pos=E->get().pos.back()->get();
- stackpositions.push_back(spp);
- }
-
- stackpositions.sort();
-
- for(List<_GDFKCS>::Element *E=stackpositions.front();E;E=E->next()) {
-
- Pair<StringName,int> p;
- p.first=E->get().id;
- p.second=E->get().pos;
- r_stackvars->push_back(p);
- }
-
-
-}
-
-#if 0
-void GDFunction::clear() {
-
- name=StringName();
- constants.clear();
- _stack_size=0;
- code.clear();
- _constants_ptr=NULL;
- _constant_count=0;
- _global_names_ptr=NULL;
- _global_names_count=0;
- _code_ptr=NULL;
- _code_size=0;
-
-}
-#endif
-GDFunction::GDFunction() : function_list(this) {
-
- _stack_size=0;
- _call_size=0;
- name="<anonymous>";
-#ifdef DEBUG_ENABLED
- _func_cname=NULL;
-
- if (GDScriptLanguage::get_singleton()->lock) {
- GDScriptLanguage::get_singleton()->lock->lock();
- }
- GDScriptLanguage::get_singleton()->function_list.add(&function_list);
-
- if (GDScriptLanguage::get_singleton()->lock) {
- GDScriptLanguage::get_singleton()->lock->unlock();
- }
-
- profile.call_count=0;
- profile.self_time=0;
- profile.total_time=0;
- profile.frame_call_count=0;
- profile.frame_self_time=0;
- profile.frame_total_time=0;
- profile.last_frame_call_count=0;
- profile.last_frame_self_time=0;
- profile.last_frame_total_time=0;
-
-#endif
-}
-
-GDFunction::~GDFunction() {
-#ifdef DEBUG_ENABLED
- if (GDScriptLanguage::get_singleton()->lock) {
- GDScriptLanguage::get_singleton()->lock->lock();
- }
- GDScriptLanguage::get_singleton()->function_list.remove(&function_list);
-
- if (GDScriptLanguage::get_singleton()->lock) {
- GDScriptLanguage::get_singleton()->lock->unlock();
- }
-#endif
-}
-
-/////////////////////
-
-
-Variant GDFunctionState::_signal_callback(const Variant** p_args, int p_argcount, Variant::CallError& r_error) {
-
- Variant arg;
- r_error.error=Variant::CallError::CALL_OK;
-
- ERR_FAIL_COND_V(!function,Variant());
-
- if (p_argcount==0) {
- r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
- r_error.argument=1;
- return Variant();
- } else if (p_argcount==1) {
- //noooneee
- } else if (p_argcount==2) {
- arg=*p_args[0];
- } else {
- Array extra_args;
- for(int i=0;i<p_argcount-1;i++) {
- extra_args.push_back(*p_args[i]);
- }
- arg=extra_args;
- }
-
- Ref<GDFunctionState> self = *p_args[p_argcount-1];
-
- if (self.is_null()) {
- r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
- r_error.argument=p_argcount-1;
- r_error.expected=Variant::OBJECT;
- return Variant();
- }
-
- state.result=arg;
- Variant ret = function->call(NULL,NULL,0,r_error,&state);
- function=NULL; //cleaned up;
- state.result=Variant();
- return ret;
-}
-
-
-bool GDFunctionState::is_valid() const {
-
- return function!=NULL;
-}
-
-Variant GDFunctionState::resume(const Variant& p_arg) {
-
- ERR_FAIL_COND_V(!function,Variant());
-
- state.result=p_arg;
- Variant::CallError err;
- Variant ret = function->call(NULL,NULL,0,err,&state);
- function=NULL; //cleaned up;
- state.result=Variant();
- return ret;
-}
-
-
-void GDFunctionState::_bind_methods() {
-
- ObjectTypeDB::bind_method(_MD("resume:Variant","arg"),&GDFunctionState::resume,DEFVAL(Variant()));
- ObjectTypeDB::bind_method(_MD("is_valid"),&GDFunctionState::is_valid);
- ObjectTypeDB::bind_native_method(METHOD_FLAGS_DEFAULT,"_signal_callback",&GDFunctionState::_signal_callback,MethodInfo("_signal_callback"));
-
-}
-
-GDFunctionState::GDFunctionState() {
-
- function=NULL;
-}
-
-GDFunctionState::~GDFunctionState() {
-
- if (function!=NULL) {
- //never called, deinitialize stack
- for(int i=0;i<state.stack_size;i++) {
- Variant *v=(Variant*)&state.stack[sizeof(Variant)*i];
- v->~Variant();
- }
- }
-}
-
///////////////////////////
GDNativeClass::GDNativeClass(const StringName& p_name) {