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| version 1.80, 2017/01/23 20:13:18 | version 1.93, 2024/10/27 17:50:59 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b reflection parser class. | Parser: @b reflection parser class. |
| Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com) | Copyright (c) 2001-2023 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru> |
| */ | */ |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| Line 66 static void _create(Request& r, MethodPa | Line 66 static void _create(Request& r, MethodPa |
| valid_options++; | valid_options++; |
| params_hash=vparams_hash->as_hash("arguments"); | params_hash=vparams_hash->as_hash("arguments"); |
| if(params.count()>1) | if(params.count()>1) |
| throw Exception(PARSER_RUNTIME, 0, "agruments should not be specified as hash and as create params"); | throw Exception(PARSER_RUNTIME, 0, "arguments should not be specified as hash and as create params"); |
| } | } |
| if(valid_options!=options->count()) | if(valid_options!=options->count()) |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| Line 88 static void _create(Request& r, MethodPa | Line 88 static void _create(Request& r, MethodPa |
| params_offset=2; | params_offset=2; |
| } | } |
| VStateless_class* vclass=r.get_class(*class_name); | VStateless_class& vclass=r.get_class_ref(*class_name); |
| if(!vclass) | |
| throw Exception(PARSER_RUNTIME, class_name, "class is undefined"); | |
| const Method* method=vclass->get_method(*constructor_name); | const Method* method=vclass.get_method(*constructor_name); |
| if(!method) | if(!method) |
| throw Exception(PARSER_RUNTIME, constructor_name, "constructor not found in class '%s'", vclass->type()); | throw Exception(PARSER_RUNTIME, constructor_name, "constructor not found in class '%s'", vclass.type()); |
| Value &object = r.construct(*vclass, *method); | Value &object = r.construct(vclass, *method); |
| int nparams=params_hash ? params_hash->count() : (params.count()-params_offset); | int nparams=params_hash ? params_hash->count() : (params.count()-params_offset); |
| if(nparams>MAX_CREATE_PARAMS) | if(nparams>MAX_CREATE_PARAMS) |
| Line 162 static void _class_name(Request& r, Meth | Line 160 static void _class_name(Request& r, Meth |
| static void _class_by_name(Request& r, MethodParams& params) { | static void _class_by_name(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.get_class(class_name); | r.write(r.get_class_ref(class_name)); |
| if(!class_value) | } |
| throw Exception(PARSER_RUNTIME, &class_name, "class is undefined"); | |
| r.write(*class_value); | static void _class_alias(Request& r, MethodParams& params) { |
| const String& src_class_name=params.as_string(0, "source class_name must be string"); | |
| const String& new_class_name=params.as_string(1, "alias class_name must be string"); | |
| VStateless_class &src_class=r.get_class_ref(src_class_name); | |
| if(!r.add_class(new_class_name.cstr(), &src_class)) | |
| throw Exception(PARSER_RUNTIME, &new_class_name, "class is already defined"); | |
| } | } |
| static void _base(Request& r, MethodParams& params) { | static void _base(Request& r, MethodParams& params) { |
| Line 193 static void _def(Request& r, MethodParam | Line 197 static void _def(Request& r, MethodParam |
| // can't use get_class because it will call @autouse[] if the class wasn't loaded | // 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)); | r.write(VBool::get(r.classes().get(name)!=0)); |
| } else { | } else { |
| throw Exception(PARSER_RUNTIME, &type, "is invalid type, must be '%s'", def_class.cstr()); | throw Exception(PARSER_RUNTIME, &type, "is an 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"); |
| VStateless_class* vclass=r.get_class(class_name); | VStateless_class& vclass=r.get_class_ref(class_name); |
| if(!vclass) | |
| throw Exception(PARSER_RUNTIME, &class_name, "class is undefined"); | bool reverse=true; |
| if(params.count()>1) | |
| if(HashStringValue* options=params.as_hash(1, "methods options")) { | |
| int valid_options=0; | |
| for(HashStringValue::Iterator i(*options); i; i.next() ){ | |
| String::Body key=i.key(); | |
| Value* value=i.value(); | |
| if(key == "reverse") { | |
| reverse=r.process(*value).as_bool(); | |
| valid_options++; | |
| } | |
| } | |
| if(valid_options!=options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| VHash& result=*new VHash; | VHash& result=*new VHash; |
| for(HashStringMethod::Iterator i(vclass->get_methods()); i; i.next()){ | |
| result.hash().put(i.key(), new VString(i.value()->native_code ? method_type_native : method_type_parser)); | #ifdef HASH_ORDER |
| if(reverse){ | |
| for(HashStringMethod::ReverseIterator i(vclass.get_methods()); i; i.prev()){ | |
| result.hash().put(i.key(), new VString(i.value()->native_code ? method_type_native : method_type_parser)); | |
| } | |
| } else { | |
| #else | |
| { | |
| #endif | |
| for(HashStringMethod::Iterator i(vclass.get_methods()); i; i.next()){ | |
| result.hash().put(i.key(), new VString(i.value()->native_code ? method_type_native : method_type_parser)); | |
| } | |
| } | } |
| r.write(result); | r.write(result); |
| Line 289 static void _method_info(Request& r, Met | Line 319 static void _method_info(Request& r, Met |
| } else { | } else { |
| const String& class_name=params.as_string(0, "param must be class name or method junction"); | const String& class_name=params.as_string(0, "param must be class name or method junction"); |
| VStateless_class* vclass=r.get_class(class_name); | VStateless_class& vclass=r.get_class_ref(class_name); |
| if(!vclass) | |
| throw Exception(PARSER_RUNTIME, &class_name, "class is undefined"); | |
| if(params.count()==1) | if(params.count()==1) |
| throw Exception(PARSER_RUNTIME, 0, "method name must be specified"); | throw Exception(PARSER_RUNTIME, 0, "method name must be specified"); |
| const String& method_name=params.as_string(1, "method name must be string"); | const String& method_name=params.as_string(1, "method name must be string"); |
| if(!(method=vclass->get_method(method_name))) | if(!(method=vclass.get_method(method_name))) |
| throw Exception(PARSER_RUNTIME, &method_name, "method not found in class '%s'", vclass->type()); | throw Exception(PARSER_RUNTIME, &method_name, "method not found in class '%s'", vclass.type()); |
| Method* base_method; | Method* base_method; |
| if(vclass && vclass->base() && (base_method=vclass->base()->get_method(*method->name))){ | if(vclass.base() && (base_method=vclass.base()->get_method(*method->name))){ |
| VStateless_class* c=vclass->base()->get_class(); | VStateless_class* c=vclass.base()->get_class(); |
| while(c->base() && base_method==c->base()->get_method(*method->name)) | while(c->base() && base_method==c->base()->get_method(*method->name)) |
| c=c->base()->get_class(); | c=c->base()->get_class(); |
| hash->put((base_method==method) ? method_inherited : method_overridden, new VString(*new String(c->type()))); | hash->put((base_method==method) ? method_inherited : method_overridden, new VString(*new String(c->type()))); |
| Line 338 static void _method_info(Request& r, Met | Line 365 static void _method_info(Request& r, Met |
| 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(pa_uitoa(i), new VString(*method->params_names->get(i))); |
| if(method->extra_params) | if(method->extra_params) |
| hash->put(method_extra_param, new VString(*method->extra_params)); | hash->put(method_extra_param, new VString(*method->extra_params)); |
| Line 532 static void _tainting(Request& r, Method | Line 559 static void _tainting(Request& r, Method |
| } | } |
| } | } |
| static void _stack(Request& r, MethodParams& params) { | |
| bool show_args=false; | |
| bool show_locals=false; | |
| int limit=1000000; | |
| int offset=0; | |
| if(params.count()>0) | |
| if(HashStringValue* options=params.as_hash(0, "stack options")) { | |
| int valid_options=0; | |
| for(HashStringValue::Iterator i(*options); i; i.next() ){ | |
| String::Body key=i.key(); | |
| Value* value=i.value(); | |
| if(key == "args") { | |
| show_args=r.process(*value).as_bool(); | |
| valid_options++; | |
| } else if(key == "locals") { | |
| show_locals=r.process(*value).as_bool(); | |
| valid_options++; | |
| } else if(key == "limit") { | |
| limit=r.process(*value).as_int(); | |
| valid_options++; | |
| } else if(key == "offset") { | |
| offset=r.process(*value).as_int(); | |
| valid_options++; | |
| } | |
| } | |
| if(valid_options!=options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| limit+=offset; | |
| VHash& vresult=*new VHash; | |
| HashStringValue* result=vresult.get_hash(); | |
| int index=1; | |
| VMethodFrame* caller=r.get_method_frame()->caller(); | |
| while(caller && index <= limit){ | |
| if(index>offset){ | |
| VHash& vcurrent=*new VHash; | |
| HashStringValue* current=vcurrent.get_hash(); | |
| current->put(Symbols::SELF_SYMBOL, &caller->self()); | |
| const Method& method=caller->method; | |
| current->put(method_name, new VString(*method.name)); | |
| if(!method.native_code){ | |
| Operation::Origin origin=r.get_method_origin(&method); | |
| if(origin.file_no){ | |
| current->put("file", new VString(*r.get_used_filespec(origin.file_no))); | |
| current->put("line", new VInt(origin.line)); // no +1 as declaration before first command | |
| } | |
| if(show_args || show_locals){ | |
| VHash& vargs=*new VHash; | |
| HashStringValue* args=vargs.get_hash(); | |
| if(method.params_names){ | |
| for(size_t i=0; i<method.params_names->count(); i++){ | |
| const String& pname=*(*method.params_names)[i]; | |
| Value* value=caller->get_element(pname); | |
| args->put(pname, value->get_junction() ? VVoid::get() : value); | |
| } | |
| } | |
| if(method.extra_params) | |
| args->put(*method.extra_params, caller->get_element(*method.extra_params)); | |
| if(show_args) | |
| current->put("args", &vargs); | |
| if(show_locals){ | |
| VHash& vlocals=*new VHash; | |
| HashStringValue* locals=vlocals.get_hash(); | |
| if(VParserMethodFrame* frame=dynamic_cast<VParserMethodFrame*>(caller)) | |
| for(HashString<Value*>::Iterator h(frame->my); h; h.next()){ | |
| String::Body key=h.key(); | |
| Value* value=h.value(); | |
| if(!args->contains(key) && (key != "result")){ | |
| locals->put(key, value->get_junction() ? VVoid::get() : value); | |
| } | |
| } | |
| current->put("locals", &vlocals); | |
| } | |
| } | |
| } | |
| result->put(pa_uitoa(index), &vcurrent); | |
| } | |
| caller=caller->caller(); | |
| index++; | |
| } | |
| r.write(vresult); | |
| } | |
| // 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[;...]]]] |
| Line 550 MReflection::MReflection(): Methoded("re | Line 679 MReflection::MReflection(): Methoded("re |
| // ^reflection:class_by_name[class_name] | // ^reflection:class_by_name[class_name] |
| add_native_method("class_by_name", Method::CT_STATIC, _class_by_name, 1, 1); | add_native_method("class_by_name", Method::CT_STATIC, _class_by_name, 1, 1); |
| // ^reflection:class_alias[class_name;new_class_name] | |
| add_native_method("class_alias", Method::CT_STATIC, _class_alias, 2, 2); | |
| // ^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); |
| Line 560 MReflection::MReflection(): Methoded("re | Line 692 MReflection::MReflection(): Methoded("re |
| add_native_method("def", Method::CT_STATIC, _def, 2, 2); | 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, 2); |
| // ^reflection:method[object or class;method_name[;self]] | // ^reflection:method[object or class;method_name[;self]] |
| // ^reflection:method[junction[;self]] | // ^reflection:method[junction[;self]] |
| Line 603 MReflection::MReflection(): Methoded("re | Line 735 MReflection::MReflection(): Methoded("re |
| // ^reflection:tainting[[language or 'tainted' or 'optimized';]string] | // ^reflection:tainting[[language or 'tainted' or 'optimized';]string] |
| add_native_method("tainting", Method::CT_STATIC, _tainting, 1, 2); | add_native_method("tainting", Method::CT_STATIC, _tainting, 1, 2); |
| // ^reflection:stack[options] | |
| add_native_method("stack", Method::CT_STATIC, _stack, 0, 1); | |
| } | } |