1459 lines
32 KiB
C++
1459 lines
32 KiB
C++
#include "gd_function.h"
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#include "gd_script.h"
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#include "os/os.h"
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#include "gd_functions.h"
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Variant *GDFunction::_get_variant(int p_address,GDInstance *p_instance,GDScript *p_script,Variant &self, Variant *p_stack,String& r_error) const{
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int address = p_address&ADDR_MASK;
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//sequential table (jump table generated by compiler)
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switch((p_address&ADDR_TYPE_MASK)>>ADDR_BITS) {
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case ADDR_TYPE_SELF: {
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if (!p_instance) {
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r_error="Cannot access self without instance.";
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return NULL;
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}
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return &self;
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} break;
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case ADDR_TYPE_CLASS: {
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return &p_script->_static_ref;
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} break;
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case ADDR_TYPE_MEMBER: {
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//member indexing is O(1)
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if (!p_instance) {
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r_error="Cannot access member without instance.";
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return NULL;
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}
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return &p_instance->members[address];
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} break;
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case ADDR_TYPE_CLASS_CONSTANT: {
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//todo change to index!
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GDScript *o=p_script;
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ERR_FAIL_INDEX_V(address,_global_names_count,NULL);
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const StringName *sn = &_global_names_ptr[address];
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while(o) {
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GDScript *s=o;
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while(s) {
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Map<StringName,Variant>::Element *E=s->constants.find(*sn);
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if (E) {
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return &E->get();
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}
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s=s->_base;
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}
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o=o->_owner;
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}
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ERR_EXPLAIN("GDCompiler bug..");
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ERR_FAIL_V(NULL);
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} break;
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case ADDR_TYPE_LOCAL_CONSTANT: {
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ERR_FAIL_INDEX_V(address,_constant_count,NULL);
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return &_constants_ptr[address];
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} break;
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case ADDR_TYPE_STACK:
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case ADDR_TYPE_STACK_VARIABLE: {
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ERR_FAIL_INDEX_V(address,_stack_size,NULL);
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return &p_stack[address];
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} break;
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case ADDR_TYPE_GLOBAL: {
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ERR_FAIL_INDEX_V(address,GDScriptLanguage::get_singleton()->get_global_array_size(),NULL);
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return &GDScriptLanguage::get_singleton()->get_global_array()[address];
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} break;
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case ADDR_TYPE_NIL: {
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return &nil;
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} break;
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}
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ERR_EXPLAIN("Bad Code! (Addressing Mode)");
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ERR_FAIL_V(NULL);
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return NULL;
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}
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String GDFunction::_get_call_error(const Variant::CallError& p_err, const String& p_where,const Variant**argptrs) const {
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String err_text;
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if (p_err.error==Variant::CallError::CALL_ERROR_INVALID_ARGUMENT) {
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int errorarg=p_err.argument;
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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)+".";
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} else if (p_err.error==Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS) {
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err_text="Invalid call to "+p_where+". Expected "+itos(p_err.argument)+" arguments.";
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} else if (p_err.error==Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS) {
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err_text="Invalid call to "+p_where+". Expected "+itos(p_err.argument)+" arguments.";
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} else if (p_err.error==Variant::CallError::CALL_ERROR_INVALID_METHOD) {
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err_text="Invalid call. Nonexistent "+p_where+".";
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} else if (p_err.error==Variant::CallError::CALL_ERROR_INSTANCE_IS_NULL) {
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err_text="Attempt to call "+p_where+" on a null instance.";
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} else {
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err_text="Bug, call error: #"+itos(p_err.error);
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}
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return err_text;
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}
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static String _get_var_type(const Variant* p_type) {
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String basestr;
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if (p_type->get_type()==Variant::OBJECT) {
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Object *bobj = *p_type;
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if (!bobj) {
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basestr = "null instance";
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} else {
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#ifdef DEBUG_ENABLED
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if (ObjectDB::instance_validate(bobj)) {
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if (bobj->get_script_instance())
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basestr= bobj->get_type()+" ("+bobj->get_script_instance()->get_script()->get_path().get_file()+")";
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else
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basestr = bobj->get_type();
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} else {
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basestr="previously freed instance";
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}
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#else
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basestr="Object";
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#endif
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}
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} else {
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basestr = Variant::get_type_name(p_type->get_type());
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}
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return basestr;
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}
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Variant GDFunction::call(GDInstance *p_instance, const Variant **p_args, int p_argcount, Variant::CallError& r_err, CallState *p_state) {
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if (!_code_ptr) {
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return Variant();
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}
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r_err.error=Variant::CallError::CALL_OK;
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Variant self;
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Variant retvalue;
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Variant *stack = NULL;
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Variant **call_args;
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int defarg=0;
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#ifdef DEBUG_ENABLED
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//GDScriptLanguage::get_singleton()->calls++;
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#endif
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uint32_t alloca_size=0;
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GDScript *_class;
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int ip=0;
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int line=_initial_line;
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if (p_state) {
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//use existing (supplied) state (yielded)
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stack=(Variant*)p_state->stack.ptr();
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call_args=(Variant**)&p_state->stack[sizeof(Variant)*p_state->stack_size];
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line=p_state->line;
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ip=p_state->ip;
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alloca_size=p_state->stack.size();
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_class=p_state->_class;
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p_instance=p_state->instance;
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defarg=p_state->defarg;
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self=p_state->self;
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//stack[p_state->result_pos]=p_state->result; //assign stack with result
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} else {
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if (p_argcount!=_argument_count) {
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if (p_argcount>_argument_count) {
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r_err.error=Variant::CallError::CALL_ERROR_TOO_MANY_ARGUMENTS;
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r_err.argument=_argument_count;
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return Variant();
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} else if (p_argcount < _argument_count - _default_arg_count) {
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r_err.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
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r_err.argument=_argument_count - _default_arg_count;
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return Variant();
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} else {
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defarg=_argument_count-p_argcount;
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}
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}
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alloca_size = sizeof(Variant*)*_call_size + sizeof(Variant)*_stack_size;
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if (alloca_size) {
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uint8_t *aptr = (uint8_t*)alloca(alloca_size);
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if (_stack_size) {
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stack=(Variant*)aptr;
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for(int i=0;i<p_argcount;i++)
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memnew_placement(&stack[i],Variant(*p_args[i]));
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for(int i=p_argcount;i<_stack_size;i++)
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memnew_placement(&stack[i],Variant);
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} else {
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stack=NULL;
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}
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if (_call_size) {
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call_args = (Variant**)&aptr[sizeof(Variant)*_stack_size];
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} else {
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call_args=NULL;
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}
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} else {
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stack=NULL;
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call_args=NULL;
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}
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if (p_instance) {
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if (p_instance->base_ref && static_cast<Reference*>(p_instance->owner)->is_referenced()) {
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self=REF(static_cast<Reference*>(p_instance->owner));
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} else {
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self=p_instance->owner;
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}
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_class=p_instance->script.ptr();
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} else {
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_class=_script;
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}
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}
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String err_text;
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#ifdef DEBUG_ENABLED
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if (ScriptDebugger::get_singleton())
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GDScriptLanguage::get_singleton()->enter_function(p_instance,this,stack,&ip,&line);
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#define CHECK_SPACE(m_space)\
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ERR_BREAK((ip+m_space)>_code_size)
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#define GET_VARIANT_PTR(m_v,m_code_ofs) \
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Variant *m_v; \
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m_v = _get_variant(_code_ptr[ip+m_code_ofs],p_instance,_class,self,stack,err_text);\
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if (!m_v)\
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break;
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#else
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#define CHECK_SPACE(m_space)
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#define GET_VARIANT_PTR(m_v,m_code_ofs) \
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Variant *m_v; \
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m_v = _get_variant(_code_ptr[ip+m_code_ofs],p_instance,_class,self,stack,err_text);
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#endif
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#ifdef DEBUG_ENABLED
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uint64_t function_start_time;
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uint64_t function_call_time;
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if (GDScriptLanguage::get_singleton()->profiling) {
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function_start_time=OS::get_singleton()->get_ticks_usec();
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function_call_time=0;
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profile.call_count++;
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profile.frame_call_count++;
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}
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#endif
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bool exit_ok=false;
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while(ip<_code_size) {
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int last_opcode=_code_ptr[ip];
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switch(_code_ptr[ip]) {
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case OPCODE_OPERATOR: {
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CHECK_SPACE(5);
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bool valid;
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Variant::Operator op = (Variant::Operator)_code_ptr[ip+1];
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ERR_BREAK(op>=Variant::OP_MAX);
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GET_VARIANT_PTR(a,2);
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GET_VARIANT_PTR(b,3);
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GET_VARIANT_PTR(dst,4);
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#ifdef DEBUG_ENABLED
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Variant ret;
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Variant::evaluate(op,*a,*b,ret,valid);
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#else
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Variant::evaluate(op,*a,*b,*dst,valid);
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#endif
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if (!valid) {
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#ifdef DEBUG_ENABLED
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if (ret.get_type()==Variant::STRING) {
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//return a string when invalid with the error
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err_text=ret;
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err_text += " in operator '"+Variant::get_operator_name(op)+"'.";
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} else {
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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)+"'.";
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}
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#endif
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break;
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}
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#ifdef DEBUG_ENABLED
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*dst=ret;
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#endif
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ip+=5;
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} continue;
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case OPCODE_EXTENDS_TEST: {
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CHECK_SPACE(4);
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GET_VARIANT_PTR(a,1);
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GET_VARIANT_PTR(b,2);
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GET_VARIANT_PTR(dst,3);
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#ifdef DEBUG_ENABLED
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if (a->get_type()!=Variant::OBJECT || a->operator Object*()==NULL) {
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err_text="Left operand of 'extends' is not an instance of anything.";
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break;
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}
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if (b->get_type()!=Variant::OBJECT || b->operator Object*()==NULL) {
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err_text="Right operand of 'extends' is not a class.";
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break;
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}
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#endif
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Object *obj_A = *a;
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Object *obj_B = *b;
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GDScript *scr_B = obj_B->cast_to<GDScript>();
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bool extends_ok=false;
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if (scr_B) {
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//if B is a script, the only valid condition is that A has an instance which inherits from the script
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//in other situation, this shoul return false.
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if (obj_A->get_script_instance() && obj_A->get_script_instance()->get_language()==GDScriptLanguage::get_singleton()) {
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GDScript *cmp = static_cast<GDScript*>(obj_A->get_script_instance()->get_script().ptr());
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//bool found=false;
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while(cmp) {
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if (cmp==scr_B) {
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//inherits from script, all ok
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extends_ok=true;
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break;
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}
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cmp=cmp->_base;
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}
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}
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} else {
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GDNativeClass *nc= obj_B->cast_to<GDNativeClass>();
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if (!nc) {
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err_text="Right operand of 'extends' is not a class (type: '"+obj_B->get_type()+"').";
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break;
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}
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extends_ok=ObjectTypeDB::is_type(obj_A->get_type_name(),nc->get_name());
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}
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*dst=extends_ok;
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ip+=4;
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} continue;
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case OPCODE_SET: {
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CHECK_SPACE(3);
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GET_VARIANT_PTR(dst,1);
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GET_VARIANT_PTR(index,2);
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GET_VARIANT_PTR(value,3);
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bool valid;
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dst->set(*index,*value,&valid);
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if (!valid) {
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String v = index->operator String();
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if (v!="") {
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v="'"+v+"'";
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} else {
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v="of type '"+_get_var_type(index)+"'";
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}
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err_text="Invalid set index "+v+" (on base: '"+_get_var_type(dst)+"').";
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break;
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}
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ip+=4;
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} continue;
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case OPCODE_GET: {
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CHECK_SPACE(3);
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GET_VARIANT_PTR(src,1);
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GET_VARIANT_PTR(index,2);
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GET_VARIANT_PTR(dst,3);
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bool valid;
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#ifdef DEBUG_ENABLED
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//allow better error message in cases where src and dst are the same stack position
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Variant ret = src->get(*index,&valid);
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#else
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*dst = src->get(*index,&valid);
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#endif
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if (!valid) {
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String v = index->operator String();
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if (v!="") {
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v="'"+v+"'";
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} else {
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v="of type '"+_get_var_type(index)+"'";
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}
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err_text="Invalid get index "+v+" (on base: '"+_get_var_type(src)+"').";
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break;
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}
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#ifdef DEBUG_ENABLED
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*dst=ret;
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#endif
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ip+=4;
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} continue;
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case OPCODE_SET_NAMED: {
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CHECK_SPACE(3);
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GET_VARIANT_PTR(dst,1);
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GET_VARIANT_PTR(value,3);
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int indexname = _code_ptr[ip+2];
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ERR_BREAK(indexname<0 || indexname>=_global_names_count);
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const StringName *index = &_global_names_ptr[indexname];
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bool valid;
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dst->set_named(*index,*value,&valid);
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if (!valid) {
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String err_type;
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err_text="Invalid set index '"+String(*index)+"' (on base: '"+_get_var_type(dst)+"').";
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break;
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}
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ip+=4;
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} continue;
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case OPCODE_GET_NAMED: {
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CHECK_SPACE(3);
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GET_VARIANT_PTR(src,1);
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GET_VARIANT_PTR(dst,3);
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int indexname = _code_ptr[ip+2];
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ERR_BREAK(indexname<0 || indexname>=_global_names_count);
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const StringName *index = &_global_names_ptr[indexname];
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bool valid;
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#ifdef DEBUG_ENABLED
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//allow better error message in cases where src and dst are the same stack position
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Variant ret = src->get_named(*index,&valid);
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#else
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*dst = src->get_named(*index,&valid);
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#endif
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if (!valid) {
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if (src->has_method(*index)) {
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err_text="Invalid get index '"+index->operator String()+"' (on base: '"+_get_var_type(src)+"'). Did you mean '."+index->operator String()+"()' ?";
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} else {
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err_text="Invalid get index '"+index->operator String()+"' (on base: '"+_get_var_type(src)+"').";
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}
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break;
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}
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#ifdef DEBUG_ENABLED
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*dst=ret;
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#endif
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ip+=4;
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} continue;
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case OPCODE_ASSIGN: {
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CHECK_SPACE(3);
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GET_VARIANT_PTR(dst,1);
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GET_VARIANT_PTR(src,2);
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*dst = *src;
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ip+=3;
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} continue;
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case OPCODE_ASSIGN_TRUE: {
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CHECK_SPACE(2);
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GET_VARIANT_PTR(dst,1);
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*dst = true;
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ip+=2;
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} continue;
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case OPCODE_ASSIGN_FALSE: {
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CHECK_SPACE(2);
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GET_VARIANT_PTR(dst,1);
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*dst = false;
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ip+=2;
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} continue;
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case OPCODE_CONSTRUCT: {
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CHECK_SPACE(2);
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Variant::Type t=Variant::Type(_code_ptr[ip+1]);
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int argc=_code_ptr[ip+2];
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CHECK_SPACE(argc+2);
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Variant **argptrs = call_args;
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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);
|
|
base->call_ptr(*methodname,(const Variant**)argptrs,argc,ret,err);
|
|
} else {
|
|
|
|
base->call_ptr(*methodname,(const Variant**)argptrs,argc,NULL,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);
|
|
if (dst->get_type()==Variant::STRING) {
|
|
//call provided error string
|
|
err_text="Error calling built-in function '"+methodstr+"': "+String(*dst);
|
|
} else {
|
|
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.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;
|
|
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) {
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
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.script_id && !ObjectDB::get_instance(state.script_id)) {
|
|
ERR_EXPLAIN("Resumed after yield, but script is gone");
|
|
ERR_FAIL_V(Variant());
|
|
}
|
|
#endif
|
|
|
|
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());
|
|
#ifdef DEBUG_ENABLED
|
|
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.script_id && !ObjectDB::get_instance(state.script_id)) {
|
|
ERR_EXPLAIN("Resumed after yield, but script is gone");
|
|
ERR_FAIL_V(Variant());
|
|
}
|
|
#endif
|
|
|
|
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();
|
|
}
|
|
}
|
|
}
|
|
|