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| version 1.2, 2009/07/26 05:41:54 | version 1.78, 2016/12/08 21:05:43 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b reflection parser class. | Parser: @b reflection parser class. |
| Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char * const IDENT_REFLECTION_C="$Date$"; | |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vbool.h" | #include "pa_vbool.h" |
| #include "pa_vobject.h" | |
| const char* const METHOD_TYPE_NATIVE="native"; | volatile const char * IDENT_REFLECTION_C="$Id$"; |
| const char* const METHOD_TYPE_PARSER="parser"; | |
| const char* const METHOD_CALL_TYPE_STATIC="static"; | static const String class_type_methoded("methoded"); |
| const char* const METHOD_CALL_TYPE_DYNAMIC="dynamic"; | |
| const char* const METHOD_CALL_TYPE_ANY="any"; | |
| const char* const METHOD_MIN_PARAMS="min_params"; | static const String method_type_native("native"); |
| const char* const METHOD_MAX_PARAMS="max_params"; | static const String method_type_parser("parser"); |
| static const String method_type_native(METHOD_TYPE_NATIVE); | static const String method_name("name"); |
| static const String method_type_parser(METHOD_TYPE_PARSER); | static const String method_class_name("class"); |
| static const String method_call_type("call_type"); | |
| static const String method_inherited("inherited"); | |
| static const String method_overridden("overridden"); | |
| static const String method_call_type_static(METHOD_CALL_TYPE_STATIC); | static const String method_min_params("min_params"); |
| static const String method_call_type_dynamic(METHOD_CALL_TYPE_DYNAMIC); | static const String method_max_params("max_params"); |
| static const String method_call_type_any(METHOD_CALL_TYPE_ANY); | static const String method_extra_param("extra_param"); |
| static const String method_min_params(METHOD_MIN_PARAMS); | static const String def_class("class"); |
| static const String method_max_params(METHOD_MAX_PARAMS); | |
| // class | // class |
| class MReflection: public Methoded { | class MReflection: public Methoded { |
| public: | public: |
| MReflection(); | MReflection(); |
| public: // Methoded | |
| bool used_directly() { return true; } | |
| }; | }; |
| // global variable | // global variable |
| DECLARE_CLASS_VAR(reflection, new MReflection, 0); | DECLARE_CLASS_VAR(reflection, new MReflection); |
| // methods | // methods |
| const int MAX_CREATE_PARAMS = 100; | |
| static void _create(Request& r, MethodParams& params) { | static void _create(Request& r, MethodParams& params) { |
| const String& class_name=params.as_string(0, "class_name must be string"); | int params_offset; |
| Value* class_value=r.classes().get(class_name); | HashStringValue* params_hash=0; |
| if(!class_value) | const String* class_name=0; |
| throw Exception(PARSER_RUNTIME, | const String* constructor_name=0; |
| &class_name, | |
| "class is undefined"); | |
| const String& constructor_name=params.as_string(1, "constructor_name must be string"); | |
| Value* constructor_value=class_value->get_element(constructor_name, *class_value, true); | |
| if(!constructor_value || !constructor_value->get_junction() || constructor_value->get_junction()->self.get_class()!=class_value) | |
| throw Exception(PARSER_RUNTIME, | |
| &constructor_name, | |
| "constructor must be declared in class '%s'", | |
| class_value->get_class()->name_cstr()); | |
| Junction* junction=constructor_value->get_junction(); | Value& voptions=params.as_no_junction(0, "param must not be code"); |
| const Method* method=junction->method; | if(HashStringValue* options=voptions.get_hash()) { |
| int valid_options=0; | |
| int nparams=params.count()-2; | if(Value* vclass_name=options->get("class")) { |
| int max_params_count; | valid_options++; |
| class_name=&vclass_name->as_string(); | |
| } | |
| if(Value* vconstructor_name=options->get("constructor")) { | |
| valid_options++; | |
| constructor_name=&vconstructor_name->as_string(); | |
| } | |
| if(Value* vparams_hash=options->get("arguments")) { | |
| valid_options++; | |
| params_hash=vparams_hash->as_hash("arguments"); | |
| if(params.count()>1) | |
| throw Exception(PARSER_RUNTIME, 0, "agruments should not be specified as hash and as create params"); | |
| } | |
| if(valid_options!=options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| if(method->native_code){ | if(!class_name) |
| if(method->call_type==Method::CT_STATIC) | throw Exception(PARSER_RUNTIME, 0, "class name must be specified"); |
| throw Exception(PARSER_RUNTIME, | if(!constructor_name) |
| &constructor_name, | throw Exception(PARSER_RUNTIME, 0, "constructor name must be specified"); |
| "native method of class '%s' (%s) is not allowed to be called dynamically", | |
| class_value->get_class()->name_cstr(), | |
| class_value->type()); | |
| if(nparams<method->min_numbered_params_count) | |
| throw Exception(PARSER_RUNTIME, | |
| &constructor_name, | |
| "native method of class '%s' (%s) accepts minimum %d parameter(s) (%d passed)", | |
| class_value->get_class()->name_cstr(), | |
| class_value->type(), | |
| method->min_numbered_params_count, | |
| nparams); | |
| max_params_count=method->max_numbered_params_count; | params_offset=1; |
| } else { | } else { |
| max_params_count=method->params_names->count(); | class_name=¶ms.as_string(0, "param must not be code"); |
| if(params.count()==1) | |
| throw Exception(PARSER_RUNTIME, 0, "constructor name must be specified"); | |
| constructor_name=¶ms.as_string(1, "constructor name must be string"); | |
| params_offset=2; | |
| } | } |
| if(nparams>max_params_count) | VStateless_class* vclass=r.get_class(*class_name); |
| throw Exception(PARSER_RUNTIME, | if(!vclass) |
| &constructor_name, | throw Exception(PARSER_RUNTIME, class_name, "class is undefined"); |
| "method of class '%s' (%s) accepts maximum %d parameter(s) (%d passed)", | |
| class_value->get_class()->name_cstr(), | const Method* method=vclass->get_method(*constructor_name); |
| class_value->type(), | if(!method) |
| max_params_count, | throw Exception(PARSER_RUNTIME, constructor_name, "constructor not found in class '%s'", vclass->type()); |
| nparams); | |
| Value &object = r.construct(*vclass, *method); | |
| VMethodFrame frame(*junction, r.get_method_frame()); | |
| int nparams=params_hash ? params_hash->count() : (params.count()-params_offset); | |
| Value* v[100]; | if(nparams>MAX_CREATE_PARAMS) |
| if(nparams>0){ | throw Exception(PARSER_RUNTIME, 0, "arguments count should not exceed %d", MAX_CREATE_PARAMS); |
| for(int i=0; i<nparams; i++) | |
| v[i]=&r.process_to_value(params[i+2]); | Value* args[MAX_CREATE_PARAMS]; |
| frame.store_params((Value**)&v, nparams); | CONSTRUCTOR_FRAME_ACTION(*method, r.get_method_frame(), object, { |
| } else { | if(nparams>0){ |
| frame.empty_params(); | if(params_hash){ |
| int i=0; | |
| for(HashStringValue::Iterator h(*params_hash); h; h.next()) | |
| args[i++]=h.value(); | |
| } else { | |
| for(int i=0; i<nparams; i++) | |
| args[i]=&r.process(params[i+params_offset]); | |
| } | |
| frame.store_params((Value**)&args, nparams); | |
| } else { | |
| frame.empty_params(); | |
| } | |
| r.call(frame); | |
| object.enable_default_setter(); | |
| r.write(frame.result()); | |
| }); | |
| } | |
| static void _classes(Request& r, MethodParams&) { | |
| VHash& result=*new VHash; | |
| for(HashString<VStateless_class*>::Iterator i(r.classes()); i; i.next()){ | |
| result.hash().put(i.key(), i.value()->get_methods().count()>0 ? new VString(class_type_methoded) : VVoid::get() ); | |
| } | } |
| r.op_call(frame, true/*constructing*/); | r.write(result); |
| r.write_pass_lang(frame.result()); | } |
| static Value& get_class(Value& value){ | |
| if(VStateless_class* result=value.get_class()) | |
| return *result; | |
| else { | |
| // we can't return code junction to outside as it's stack value | |
| if(Junction *j=value.get_junction()) | |
| if(j->code) | |
| throw Exception(PARSER_RUNTIME, 0, "param must not be code junction"); | |
| // method junction | |
| return value; | |
| } | |
| } | |
| static const String& get_class_name(Value& value){ | |
| return *new String(get_class(value).type()); | |
| } | } |
| // @todo: something wring with native classes (it returns stateless_class) | |
| static void _class(Request& r, MethodParams& params) { | static void _class(Request& r, MethodParams& params) { |
| if(Value* lclass=params[0].get_last_derived_class()) | r.write(get_class(params[0])); |
| r.write_no_lang(*lclass); | |
| else | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "class is undefined"); | |
| } | } |
| static void _class_name(Request& r, MethodParams& params) { | static void _class_name(Request& r, MethodParams& params) { |
| r.write_no_lang(String(params[0].type())); | r.write(get_class_name(params[0])); |
| } | } |
| static void _class_by_name(Request& r, MethodParams& params) { | |
| const String& class_name=params.as_string(0, "class_name must be string"); | |
| Value* class_value=r.get_class(class_name); | |
| if(!class_value) | |
| throw Exception(PARSER_RUNTIME, &class_name, "class is undefined"); | |
| r.write(*class_value); | |
| } | |
| static void _base(Request& r, MethodParams& params) { | static void _base(Request& r, MethodParams& params) { |
| if(Value* lclass=params[0].get_class()) | if(VStateless_class* vclass=params[0].get_class()) |
| if(Value* base=lclass->base()) | if(Value* base=vclass->base()){ |
| r.write_no_lang(*lclass->base()); | r.write(get_class(*base)); |
| else | return; |
| r.write_no_lang(*VVoid::get()); | } |
| else | |
| throw Exception(PARSER_RUNTIME, | // classes with fields only, like env & console or without base |
| 0, | r.write_value(*VVoid::get()); |
| "class is undefined"); | |
| } | } |
| static void _base_name(Request& r, MethodParams& params) { | static void _base_name(Request& r, MethodParams& params) { |
| if(Value* lclass=params[0].get_class()) | if(VStateless_class* vclass=params[0].get_class()) |
| if(Value* base=lclass->base()) | if(Value* base=vclass->base()) |
| r.write_no_lang(String(base->type())); | r.write(get_class_name(*base)); |
| } | } |
| static void _def(Request& r, MethodParams& params) { | |
| static void store_method_info( | const String& type=params.as_string(0, "type must be string"); |
| HashString<Method*>::key_type key, | if(type == def_class) { |
| HashString<Method*>::value_type method, | const String& name=params.as_string(1, "name must be string"); |
| HashStringValue* result | // can't use get_class because it will call @autouse[] if the class wasn't loaded |
| ) { | r.write(VBool::get(r.classes().get(name)!=0)); |
| result->put(key, new VString(method->native_code?method_type_native:method_type_parser)); | } else { |
| throw Exception(PARSER_RUNTIME, &type, "is invalid type, must be '%s'", def_class.cstr()); | |
| } | |
| } | } |
| static void _methods(Request& r, MethodParams& params) { | static void _methods(Request& r, MethodParams& params) { |
| const String& class_name=params.as_string(0, "class_name must be string"); | const String& class_name=params.as_string(0, "class_name must be string"); |
| Value* class_value=r.classes().get(class_name); | VStateless_class* vclass=r.get_class(class_name); |
| if(!class_value) | if(!vclass) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, &class_name, "class is undefined"); |
| &class_name, | |
| "class is undefined"); | |
| VHash& result=*new VHash; | VHash& result=*new VHash; |
| if(VStateless_class* lclass=class_value->get_class()){ | for(HashStringMethod::Iterator i(vclass->get_methods()); i; i.next()){ |
| HashString<Method*> methods=lclass->get_methods(); | result.hash().put(i.key(), new VString(i.value()->native_code ? method_type_native : method_type_parser)); |
| methods.for_each(store_method_info, result.get_hash()); | |
| /* | |
| } else { | |
| // exception? | |
| throw Exception(PARSER_RUNTIME, | |
| &class_name, | |
| "class does not have methods"); | |
| */ | |
| } | } |
| r.write_no_lang(result); | |
| r.write(result); | |
| } | } |
| static VJunction &method_junction(Value &self, Method &method){ | |
| if(method.native_code) | |
| throw Exception(PARSER_RUNTIME, method.name, "method must not be native"); | |
| static void _method_params(Request& r, MethodParams& params) { | if(!(dynamic_cast<VObject*>(&self) || dynamic_cast<VClass*>(&self))) |
| const String& class_name=params.as_string(0, "class_name must be string"); | throw Exception(PARSER_RUNTIME, 0, "self must be parser object or class"); |
| Value* class_value=r.classes().get(class_name); | |
| if(!class_value) | return *method.get_vjunction(self); |
| throw Exception(PARSER_RUNTIME, | } |
| &class_name, | |
| "class is undefined"); | |
| VStateless_class* lclass=class_value->get_class(); | |
| if(!lclass) | |
| throw Exception(PARSER_RUNTIME, | |
| &class_name, | |
| "class does not have methods"); | |
| static void _method(Request& r, MethodParams& params) { | |
| Value &source=params[0]; | |
| const String& method_name=params.as_string(1, "method_name must be string"); | if(Junction *j=source.get_junction()){ |
| Method* method=lclass->get_method(method_name); | if(Method* method=const_cast<Method*>(j->method)){ |
| if(!method) | Value& self=params.count()>1 ? params.as_no_junction(1, "self must be object, not junction") : r.get_method_frame()->caller()->self(); |
| throw Exception(PARSER_RUNTIME, | r.write(method_junction(self, *method)); |
| &method_name, | return; |
| "method not found in class %s", | } |
| class_name.cstr()); | throw Exception(PARSER_RUNTIME, 0, "param must be method junction"); |
| } | |
| if(params.count()==1) | |
| throw Exception(PARSER_RUNTIME, 0, "method name must be specified"); | |
| const String& name=params.as_string(1, "method name must be string"); | |
| if(VStateless_class* vclass=source.get_class()) { | |
| if(Method* method=vclass->get_method(name)){ | |
| r.write( params.count()>2 ? method_junction(params.as_no_junction(2, "self must be object, not junction"), *method) : *method->get_vjunction(source) ); | |
| return; | |
| } | |
| } | |
| r.write_value(*VVoid::get()); | |
| } | |
| static void _fields(Request& r, MethodParams& params) { | |
| Value& o=params.as_no_junction(0, "param must be object or class, not junction"); | |
| if(HashStringValue* fields=o.get_fields()) | |
| r.write(*new VHash(*fields)); | |
| else | |
| r.write(*new VHash()); | |
| } | |
| static void _fields_reference(Request& r, MethodParams& params) { | |
| Value& o=params.as_no_junction(0, "param must be object or hash, not junction"); | |
| if(HashStringValue* fields=o.get_fields_reference()) | |
| r.write(*new VHashReference(*fields)); | |
| else | |
| throw Exception(PARSER_RUNTIME, 0, "param must be object or hash"); | |
| } | |
| static void _field(Request& r, MethodParams& params) { | |
| Value& o=params.as_no_junction(0, "first param must be object or class, not junction"); | |
| const String& name=params.as_string(1, "field name must be string"); | |
| if(HashStringValue* fields=o.get_fields()) | |
| if(Value* value=fields->get(name)) | |
| r.write(*value); | |
| } | |
| static void _method_info(Request& r, MethodParams& params) { | |
| const Method* method; | |
| VHash& result=*new VHash; | VHash& result=*new VHash; |
| HashStringValue* hash=result.get_hash(); | HashStringValue* hash=result.get_hash(); |
| if(Junction *j=params[0].get_junction()){ | |
| if(!(method=j->method)) | |
| throw Exception(PARSER_RUNTIME, 0, "param must be class name or method junction"); | |
| hash->put(method_name, new VString(*method->name)); | |
| hash->put(method_class_name, new VString(*new String(j->self.type()))); | |
| } else { | |
| const String& class_name=params.as_string(0, "param must be class name or method junction"); | |
| VStateless_class* vclass=r.get_class(class_name); | |
| if(!vclass) | |
| throw Exception(PARSER_RUNTIME, &class_name, "class is undefined"); | |
| if(params.count()==1) | |
| throw Exception(PARSER_RUNTIME, 0, "method name must be specified"); | |
| const String& method_name=params.as_string(1, "method name must be string"); | |
| if(!(method=vclass->get_method(method_name))) | |
| throw Exception(PARSER_RUNTIME, &method_name, "method not found in class '%s'", vclass->type()); | |
| Method* base_method; | |
| if(vclass && vclass->base() && (base_method=vclass->base()->get_method(*method->name))){ | |
| VStateless_class* c=vclass->base()->get_class(); | |
| while(c->base() && base_method==c->base()->get_method(*method->name)) | |
| c=c->base()->get_class(); | |
| hash->put((base_method==method) ? method_inherited : method_overridden, new VString(*new String(c->type()))); | |
| } | |
| } | |
| Value* call_type=0; | |
| switch(method->call_type){ | |
| case Method::CT_DYNAMIC: | |
| call_type=new VString(Symbols::DYNAMIC_SYMBOL); | |
| break; | |
| case Method::CT_STATIC: | |
| call_type=new VString(Symbols::STATIC_SYMBOL); | |
| break; | |
| case Method::CT_ANY: | |
| break; | |
| } | |
| if(call_type) | |
| hash->put(method_call_type, call_type); | |
| if(method->native_code){ | if(method->native_code){ |
| // native code | // native code |
| hash->put(method_min_params, new VInt(method->min_numbered_params_count)); | hash->put(method_min_params, new VInt(method->min_numbered_params_count)); |
| hash->put(method_max_params, new VInt(method->max_numbered_params_count)); | hash->put(method_max_params, new VInt(method->max_numbered_params_count)); |
| const String* call_type; | |
| switch(method->call_type){ | |
| case Method::CT_DYNAMIC: | |
| call_type=&method_call_type_dynamic; | |
| break; | |
| case Method::CT_STATIC: | |
| call_type=&method_call_type_static; | |
| break; | |
| default: | |
| call_type=&method_call_type_any; | |
| } | |
| hash->put(String("call_type"), new VString(*call_type)); | |
| } else { | } else { |
| // parser code | // parser code |
| const String* filespec = r.get_method_filespec(method); | |
| if( filespec ) | |
| hash->put("file", new VString(*filespec)); | |
| hash->put(method_max_params, new VInt(method->params_names ? method->params_names->count() : 0)); | |
| if(method->params_names) | if(method->params_names) |
| for(size_t i=0; i<method->params_names->count(); i++) | for(size_t i=0; i<method->params_names->count(); i++) |
| hash->put(String::Body::Format(i), new VString(*method->params_names->get(i))); | hash->put(String::Body::Format(i), new VString(*method->params_names->get(i))); |
| if(method->extra_params) | |
| hash->put(method_extra_param, new VString(*method->extra_params)); | |
| } | |
| r.write(result); | |
| } | |
| static void _filename(Request& r, MethodParams& params) { | |
| if(Junction *j=params[0].get_junction()){ | |
| if(const Method* method=j->method){ | |
| if(!method->native_code) | |
| if(const String* filespec = r.get_method_filespec(method)) | |
| r.write(*new VString(*filespec)); | |
| return; | |
| } | |
| throw Exception(PARSER_RUNTIME, 0, "param must be object, class or method junction"); | |
| } | |
| if(VClass* vclass = dynamic_cast<VClass*>(params[0].get_class())){ | |
| r.write(*new VString(vclass->get_filespec())); | |
| } | |
| } | |
| static void _dynamical(Request& r, MethodParams& params) { | |
| if(params.count()){ | |
| r.write(VBool::get(params[0].get_class() != ¶ms[0])); | |
| } else { | |
| VMethodFrame* caller=r.get_method_frame()->caller(); | |
| r.write(VBool::get(caller && caller->get_class() != &caller->self())); | |
| } | |
| } | |
| static void _is(Request& r, MethodParams& params) { | |
| const String& name=params.as_string(0, "element name must be string"); | |
| const String& type=params.as_string(1, "class name must be string"); | |
| Value *context=params.count()==3 ? &(params.as_no_junction(2, "context must not be code")) : r.get_method_frame()->caller(); | |
| Value *value=context ? context->get_element(name) : 0; | |
| if(value) { | |
| if(type == "code" || type == "method") { | |
| Junction *junction=value->get_junction(); | |
| r.write(VBool::get(junction && ((junction->code==0) ^ (type == "code"))) ); | |
| } else { | |
| r.write(VBool::get( value->is(type.cstr()) )); | |
| } | |
| } else | |
| r.write(VBool::get(type == "void")); | |
| } | |
| static void _copy(Request& r, MethodParams& params) { | |
| HashStringValue* src=params.as_no_junction(0, "source must not be code").get_hash(); | |
| if(src==NULL) | |
| throw Exception(PARSER_RUNTIME, 0, "source must have hash representation"); | |
| Value& dst=params.as_no_junction(1, "destination must not be code"); | |
| for(HashStringValue::Iterator i(*src); i; i.next()) | |
| r.put_element(dst, *new String(i.key(), String::L_TAINTED), i.value()); | |
| } | |
| static void _uid(Request& r, MethodParams& params) { | |
| Value& obj=params.as_no_junction(0, "object must not be code"); | |
| char local_buf[MAX_NUMBER]; | |
| int size=snprintf(local_buf, sizeof(local_buf), "%p", &obj); | |
| r.write(*new String(String::C(pa_strdup(local_buf, (size_t)size), size))); | |
| } | |
| static void _delete(Request&, MethodParams& params) { | |
| Value* v=¶ms.as_no_junction(0, "param must be object or class, not junction"); | |
| const String& key=params.as_string(1, "field name must be string"); | |
| if(VObject* o=dynamic_cast<VObject*>(v)){ | |
| o->get_fields()->remove(key); | |
| } else if(VClass* c=dynamic_cast<VClass*>(v)){ | |
| HashStringProperty &p=*c->get_properties(); | |
| if(Property* property=p.get(key)) | |
| if(property->value) | |
| p.remove(key); | |
| } | } |
| } | |
| static void _mixin(Request& r, MethodParams& params) { | |
| Value& vsource=params.as_no_junction(0, "source must not be code"); | |
| Value* vtarget=0; | |
| const String *name=0; | |
| bool copy_methods=true; | |
| bool copy_fields=true; | |
| bool overwrite=false; | |
| if(params.count()>1) | |
| if(HashStringValue* options=params.as_hash(1, "mixin options")) { | |
| int valid_options=0; | |
| if(vtarget=options->get("to")) { | |
| valid_options++; | |
| } | |
| if(Value* vname=options->get("name")) { | |
| name=&vname->as_string(); | |
| valid_options++; | |
| } | |
| if(Value* vmethods=options->get("methods")) { | |
| copy_methods=r.process(*vmethods).as_bool(); | |
| valid_options++; | |
| } | |
| if(Value* vfields=options->get("fields")) { | |
| copy_fields=r.process(*vfields).as_bool(); | |
| valid_options++; | |
| } | |
| if(Value* voverwrite=options->get("overwrite")) { | |
| overwrite=r.process(*voverwrite).as_bool(); | |
| valid_options++; | |
| } | |
| if(valid_options!=options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| if(!vtarget) | |
| vtarget=&r.get_method_frame()->caller()->self(); | |
| VClass* source=dynamic_cast<VClass*>(vsource.get_class()); | |
| VClass* target=dynamic_cast<VClass*>(vtarget->get_class()); | |
| if(!source) | |
| throw Exception(PARSER_RUNTIME, 0, "source must be parser object or class"); | |
| if(!target) | |
| throw Exception(PARSER_RUNTIME, 0, "destination must be parser object or class"); | |
| if(name){ | |
| if(copy_methods) | |
| if(Method* method=source->get_method(*name)) | |
| if(overwrite || !target->get_method(*name)){ | |
| target->set_method(*name, new Method(*method)); | |
| } | |
| if(copy_fields) | |
| if(Property* property=source->get_properties()->get(*name)) | |
| if(property->value && (overwrite || !target->get_properties()->get(*name))){ | |
| target->put_element(*target, *name, property->value); | |
| } | |
| r.write_no_lang(result); | } else { |
| if(copy_methods) | |
| for(HashStringMethod::Iterator i(source->get_methods()); i; i.next()){ | |
| if(overwrite || !target->get_method(i.key())) | |
| target->set_method(*i.value()->name, new Method(*i.value())); | |
| } | |
| if(copy_fields) | |
| for(HashStringProperty::Iterator i(*source->get_properties()); i; i.next()){ | |
| if(i.value()->value && ( overwrite || !target->get_properties()->get(i.key()) )) | |
| target->put_element(*target, *new String(i.key(), String::L_TAINTED), i.value()->value); | |
| } | |
| } | |
| } | |
| String::Language get_untaint_lang(const String& lang_name); // op.C | |
| static void _tainting(Request& r, MethodParams& params) { | |
| const String& str=params.as_string(params.count()-1, "param must be string"); | |
| String::Language lang = String::L_UNSPECIFIED; | |
| bool optimized=false; | |
| if(params.count()==2){ | |
| const String& slang=params.as_string(0, "language name must be string"); | |
| if(slang == "optimized") | |
| optimized=true; | |
| else if(slang == "tainted") | |
| lang=String::L_TAINTED; | |
| else lang=get_untaint_lang(slang); | |
| } | |
| if(!str.is_empty()){ | |
| char *visual=str.visualize_langs(); | |
| if(optimized){ | |
| for(char *c=visual; *c; c++) | |
| *c = *c<0 ? '+':'-'; | |
| } else if(lang != String::L_UNSPECIFIED){ | |
| for(char *c=visual; *c; c++) | |
| *c = *c==lang ? '+':'-'; | |
| } else { | |
| for(char *c=visual; *c; c++) | |
| *c = *c & 0x7F; | |
| } | |
| r.write(*new String(visual)); | |
| } | |
| } | } |
| // constructor | // constructor |
| MReflection::MReflection(): Methoded("reflection") { | MReflection::MReflection(): Methoded("reflection") { |
| // ^reflection:create[class_name;constructor_name[;param1[;param2[;...]]]] | // ^reflection:create[class_name;constructor_name[;param1[;param2[;...]]]] |
| add_native_method("create", Method::CT_STATIC, _create, 2, 102); | // ^reflection:create[ $.class[name] $.constructor[name] $.arguments[ $.1[param1] $.2[param2] ...] ] |
| add_native_method("create", Method::CT_STATIC, _create, 1, MAX_CREATE_PARAMS + 2); | |
| // ^reflection:classes[] | |
| add_native_method("classes", Method::CT_STATIC, _classes, 0, 0); | |
| // ^reflection:class[object] | // ^reflection:class[object] |
| add_native_method("class", Method::CT_STATIC, _class, 1, 1); | add_native_method("class", Method::CT_STATIC, _class, 1, 1); |
| Line 248 MReflection::MReflection(): Methoded("re | Line 546 MReflection::MReflection(): Methoded("re |
| // ^reflection:class_name[object] | // ^reflection:class_name[object] |
| add_native_method("class_name", Method::CT_STATIC, _class_name, 1, 1); | add_native_method("class_name", Method::CT_STATIC, _class_name, 1, 1); |
| // ^reflection:class_by_name[class_name] | |
| add_native_method("class_by_name", Method::CT_STATIC, _class_by_name, 1, 1); | |
| // ^reflection:base_class[object] | // ^reflection:base_class[object] |
| add_native_method("base", Method::CT_STATIC, _base, 1, 1); | add_native_method("base", Method::CT_STATIC, _base, 1, 1); |
| // ^reflection:base_class_name[object] | // ^reflection:base_class_name[object] |
| add_native_method("base_name", Method::CT_STATIC, _base_name, 1, 1); | add_native_method("base_name", Method::CT_STATIC, _base_name, 1, 1); |
| // ^reflection:def[class|...;name] | |
| add_native_method("def", Method::CT_STATIC, _def, 2, 2); | |
| // ^reflection:methods[class_name] | // ^reflection:methods[class_name] |
| add_native_method("methods", Method::CT_STATIC, _methods, 1, 1); | add_native_method("methods", Method::CT_STATIC, _methods, 1, 1); |
| // ^reflection:method_params[class_name;method_name] | // ^reflection:method[object or class;method_name[;self]] |
| add_native_method("method_params", Method::CT_STATIC, _method_params, 2, 2); | // ^reflection:method[junction[;self]] |
| add_native_method("method", Method::CT_STATIC, _method, 1, 3); | |
| // ^reflection:method_info[class_name;method_name] | |
| // ^reflection:method_info[junction] | |
| add_native_method("method_info", Method::CT_STATIC, _method_info, 1, 2); | |
| // ^reflection:filename[object or class] | |
| add_native_method("filename", Method::CT_STATIC, _filename, 1, 1); | |
| // ^reflection:fields[object or class] | |
| add_native_method("fields", Method::CT_STATIC, _fields, 1, 1); | |
| // ^reflection:fields_reference[object] | |
| add_native_method("fields_reference", Method::CT_STATIC, _fields_reference, 1, 1); | |
| // ^reflection:field[object or class;field_name] | |
| add_native_method("field", Method::CT_STATIC, _field, 2, 2); | |
| // ^reflection:dynamical[[object or class, caller if absent]] | |
| add_native_method("dynamical", Method::CT_STATIC, _dynamical, 0, 1); | |
| // ^reflection:is[element_name;class_name|code|method[;context]] | |
| add_native_method("is", Method::CT_STATIC, _is, 2, 3); | |
| // ^reflection:copy[src;dst] | |
| add_native_method("copy", Method::CT_STATIC, _copy, 2, 2); | |
| // ^reflection:uid[object or class] | |
| add_native_method("uid", Method::CT_STATIC, _uid, 1, 1); | |
| // ^reflection:delete[object or class;field_name] | |
| add_native_method("delete", Method::CT_STATIC, _delete, 2, 2); | |
| // ^reflection:mixin[object or class or junction;options] | |
| add_native_method("mixin", Method::CT_STATIC, _mixin, 1, 2); | |
| // ^reflection:tainting[[language or 'tainted' or 'optimized';]string] | |
| add_native_method("tainting", Method::CT_STATIC, _tainting, 1, 2); | |
| // @todo: check how 'create' and 'methods' work with ancestors-classes | |
| } | } |