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| version 1.93, 2024/10/27 17:50:59 | version 1.105, 2026/09/25 17:03:52 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b reflection parser class. | Parser: @b reflection parser class. |
| Copyright (c) 2001-2023 Art. Lebedev Studio (http://www.artlebedev.com) | Copyright (c) 2001-2026 Art. Lebedev Studio (https://www.artlebedev.com) |
| Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru> | Authors: Konstantin Morshnev <moko@design.ru>, Alexandr Petrosian <paf@design.ru> |
| */ | */ |
| #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_varray.h" | |
| #include "pa_vobject.h" | #include "pa_vobject.h" |
| #include "pa_vtable.h" | |
| volatile const char * IDENT_REFLECTION_C="$Id$"; | volatile const char * IDENT_REFLECTION_C="$Id$"; |
| Line 26 static const String method_overridden("o | Line 28 static const String method_overridden("o |
| static const String method_min_params("min_params"); | static const String method_min_params("min_params"); |
| static const String method_max_params("max_params"); | static const String method_max_params("max_params"); |
| static const String method_extra_param("extra_param"); | static const String method_extra_param("extra_param"); |
| static const String method_named_params("named_params"); | |
| static const String def_class("class"); | static const String def_class("class"); |
| Line 124 static void _create(Request& r, MethodPa | Line 127 static void _create(Request& r, MethodPa |
| static void _classes(Request& r, MethodParams&) { | static void _classes(Request& r, MethodParams&) { |
| VHash& result=*new VHash; | VHash& result=*new VHash; |
| for(HashString<VStateless_class*>::Iterator i(r.classes()); i; i.next()){ | for(OrderedHashString<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() ); | result.hash().put(i.key(), i.value()->get_methods().count()>0 ? new VString(class_type_methoded) : VVoid::get() ); |
| } | } |
| r.write(result); | r.write(result); |
| Line 159 static void _class_name(Request& r, Meth | Line 162 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"); |
| r.write(r.get_class_ref(class_name)); | r.write(r.get_class_ref(class_name)); |
| } | } |
| Line 256 static void _method(Request& r, MethodPa | Line 259 static void _method(Request& r, MethodPa |
| if(Junction *j=source.get_junction()){ | if(Junction *j=source.get_junction()){ |
| if(Method* method=const_cast<Method*>(j->method)){ | if(Method* method=const_cast<Method*>(j->method)){ |
| Value& self=params.count()>1 ? params.as_no_junction(1, "self must be object, not junction") : r.get_method_frame()->caller()->self(); | Value& self=params.count()>1 ? params.as_no_junction(1, "self must be object") : r.get_method_frame()->caller()->self(); |
| r.write(method_junction(self, *method)); | r.write(method_junction(self, *method)); |
| return; | return; |
| } | } |
| Line 270 static void _method(Request& r, MethodPa | Line 273 static void _method(Request& r, MethodPa |
| if(VStateless_class* vclass=source.get_class()) { | if(VStateless_class* vclass=source.get_class()) { |
| if(Method* method=vclass->get_method(name)){ | 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) ); | r.write( params.count()>2 ? method_junction(params.as_no_junction(2, "self must be object"), *method) : *method->get_vjunction(source) ); |
| return; | return; |
| } | } |
| } | } |
| Line 278 static void _method(Request& r, MethodPa | Line 281 static void _method(Request& r, MethodPa |
| } | } |
| static void _fields(Request& r, MethodParams& params) { | static void _fields(Request& r, MethodParams& params) { |
| Value& o=params.as_no_junction(0, "param must be object or class, not junction"); | Value& o=params.as_no_junction(0, "param must be object or class"); |
| if(HashStringValue* fields=o.get_fields()) | if(HashStringValue* fields=o.get_fields()) |
| r.write(*new VHash(*fields)); | r.write(*new VHash(*fields)); |
| Line 287 static void _fields(Request& r, MethodPa | Line 290 static void _fields(Request& r, MethodPa |
| } | } |
| static void _fields_reference(Request& r, MethodParams& params) { | static void _fields_reference(Request& r, MethodParams& params) { |
| Value& o=params.as_no_junction(0, "param must be object or hash, not junction"); | Value& o=params.as_no_junction(0, "param must be object or hash"); |
| if(HashStringValue* fields=o.get_fields_reference()) | if(HashStringValue* fields=o.get_fields_reference()) |
| r.write(*new VHashReference(*fields)); | r.write(*new VHashReference(*fields)); |
| Line 296 static void _fields_reference(Request& r | Line 299 static void _fields_reference(Request& r |
| } | } |
| static void _field(Request& r, MethodParams& params) { | static void _field(Request& r, MethodParams& params) { |
| Value& o=params.as_no_junction(0, "first param must be object or class, not junction"); | Value& o=params.as_no_junction(0, "first param must be object or class"); |
| const String& name=params.as_string(1, "field name must be string"); | const String& name=params.as_string(1, "field name must be string"); |
| if(HashStringValue* fields=o.get_fields()) | if(HashStringValue* fields=o.get_fields()) |
| Line 359 static void _method_info(Request& r, Met | Line 362 static void _method_info(Request& r, Met |
| // parser code | // parser code |
| const String* filespec = r.get_method_filespec(method); | const String* filespec = r.get_method_filespec(method); |
| if( filespec ) | if( filespec ) |
| hash->put("file", new VString(*filespec)); | HASH_PUT_CSTR(*hash, "file", new VString(*filespec)); |
| hash->put(method_max_params, new VInt(method->params_names ? method->params_names->count() : 0)); | hash->put(method_max_params, new VInt(method->params_count + (method->named_params ? 1 : 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(pa_uitoa(i), new VString(*method->params_names->get(i))); | hash->put(String::Body::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)); |
| if(method->named_params){ | |
| size_t named_count=method->named_params->count(); | |
| VArray& named_params=*new VArray(named_count); | |
| ArrayValue &array=named_params.array(); | |
| for(size_t i=0; i<named_count; i++) { | |
| const String& fname=*(*method->named_params)[i]; | |
| array+=new VString(fname); | |
| } | |
| hash->put(method_named_params, &named_params); | |
| } | |
| } | } |
| r.write(result); | r.write(result); |
| Line 438 static void _uid(Request& r, MethodParam | Line 452 static void _uid(Request& r, MethodParam |
| } | } |
| static void _delete(Request&, MethodParams& params) { | static void _delete(Request&, MethodParams& params) { |
| Value* v=¶ms.as_no_junction(0, "param must be object or class, not junction"); | Value* v=¶ms.as_no_junction(0, "param must be object or class"); |
| const String& key=params.as_string(1, "field name must be string"); | const String& key=params.as_string(1, "field name must be string"); |
| if(VObject* o=dynamic_cast<VObject*>(v)){ | if(VObject* o=dynamic_cast<VObject*>(v)){ |
| Line 462 static void _mixin(Request& r, MethodPar | Line 476 static void _mixin(Request& r, MethodPar |
| if(params.count()>1) | if(params.count()>1) |
| if(HashStringValue* options=params.as_hash(1, "mixin options")) { | if(HashStringValue* options=params.as_hash(1, "mixin options")) { |
| int valid_options=0; | |
| for(HashStringValue::Iterator i(*options); i; i.next() ){ | for(HashStringValue::Iterator i(*options); i; i.next() ){ |
| String::Body key=i.key(); | String::Body key=i.key(); |
| Value* value=i.value(); | Value* value=i.value(); |
| if(key == "to") { | if(key == "to") { |
| vtarget=value; | vtarget=value; |
| valid_options++; | |
| } else if(key == "name") { | } else if(key == "name") { |
| name=&value->as_string(); | name=&value->as_string(); |
| valid_options++; | |
| } else if(key == "methods") { | } else if(key == "methods") { |
| copy_methods=r.process(*value).as_bool(); | copy_methods=r.process(*value).as_bool(); |
| valid_options++; | |
| } else if(key == "fields") { | } else if(key == "fields") { |
| copy_fields=r.process(*value).as_bool(); | copy_fields=r.process(*value).as_bool(); |
| valid_options++; | |
| } else if(key == "overwrite") { | } else if(key == "overwrite") { |
| overwrite=r.process(*value).as_bool(); | overwrite=r.process(*value).as_bool(); |
| valid_options++; | } else |
| } | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| } | } |
| if(valid_options!=options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | } |
| if(!vtarget) | if(!vtarget) |
| Line 525 static void _mixin(Request& r, MethodPar | Line 532 static void _mixin(Request& r, MethodPar |
| } | } |
| } | } |
| static void _override(Request& r, MethodParams& params) { | |
| Junction *j=params[0].get_junction(); | |
| const Method* method=j ? j->method : 0; | |
| if(!method) | |
| throw Exception(PARSER_RUNTIME, 0, "param must be method junction"); | |
| if(method->native_code) | |
| throw Exception(PARSER_RUNTIME, 0, "param must not be native method"); | |
| const String *name=method->name; | |
| Value* vtarget=0; | |
| if(params.count()>1) | |
| if(HashStringValue* options=params.as_hash(1, "override options")) { | |
| for(HashStringValue::Iterator i(*options); i; i.next() ){ | |
| if(i.key() == "to") { | |
| vtarget=i.value(); | |
| } else if(i.key() == "name") { | |
| name=&i.value()->as_string(); | |
| } else | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | |
| } | |
| if(!vtarget) | |
| vtarget=&r.get_method_frame()->caller()->self(); | |
| VClass* target=dynamic_cast<VClass*>(vtarget->get_class()); | |
| if(!target) | |
| throw Exception(PARSER_RUNTIME, 0, "destination must be parser object or class"); | |
| target->set_method(*name, new Method(*method)); | |
| } | |
| String::Language get_untaint_lang(const String& lang_name); // op.C | String::Language get_untaint_lang(const String& lang_name); // op.C |
| static void _tainting(Request& r, MethodParams& params) { | static void _tainting(Request& r, MethodParams& params) { |
| Line 559 static void _tainting(Request& r, Method | Line 599 static void _tainting(Request& r, Method |
| } | } |
| } | } |
| struct LocalsInfo { HashStringValue* args; HashStringValue* locals; }; | |
| static void collect_local(const String::Body& key, Value* value, LocalsInfo* info) { | |
| if(!info->args->contains(key) && (key != "result")) | |
| info->locals->put(key, value->get_junction() ? VVoid::get() : value); | |
| } | |
| static void _stack(Request& r, MethodParams& params) { | static void _stack(Request& r, MethodParams& params) { |
| if(params.count()) | |
| if(VException* exception=dynamic_cast<VException*>(¶ms[0])) { | |
| r.write(*new VTable(&exception->stack(r))); | |
| return; | |
| } | |
| bool show_args=false; | bool show_args=false; |
| bool show_locals=false; | bool show_locals=false; |
| Line 568 static void _stack(Request& r, MethodPar | Line 621 static void _stack(Request& r, MethodPar |
| if(params.count()>0) | if(params.count()>0) |
| if(HashStringValue* options=params.as_hash(0, "stack options")) { | if(HashStringValue* options=params.as_hash(0, "stack options")) { |
| int valid_options=0; | |
| for(HashStringValue::Iterator i(*options); i; i.next() ){ | for(HashStringValue::Iterator i(*options); i; i.next() ){ |
| String::Body key=i.key(); | String::Body key=i.key(); |
| Value* value=i.value(); | Value* value=i.value(); |
| if(key == "args") { | if(key == "args") { |
| show_args=r.process(*value).as_bool(); | show_args=r.process(*value).as_bool(); |
| valid_options++; | |
| } else if(key == "locals") { | } else if(key == "locals") { |
| show_locals=r.process(*value).as_bool(); | show_locals=r.process(*value).as_bool(); |
| valid_options++; | |
| } else if(key == "limit") { | } else if(key == "limit") { |
| limit=r.process(*value).as_int(); | limit=r.process(*value).as_int(); |
| valid_options++; | |
| } else if(key == "offset") { | } else if(key == "offset") { |
| offset=r.process(*value).as_int(); | offset=r.process(*value).as_int(); |
| valid_options++; | } else |
| } | throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); |
| } | } |
| if(valid_options!=options->count()) | |
| throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION); | |
| } | } |
| limit+=offset; | limit+=offset; |
| Line 612 static void _stack(Request& r, MethodPar | Line 657 static void _stack(Request& r, MethodPar |
| if(!method.native_code){ | if(!method.native_code){ |
| Operation::Origin origin=r.get_method_origin(&method); | Operation::Origin origin=r.get_method_origin(&method); |
| if(origin.file_no){ | if(origin.file_no){ |
| current->put("file", new VString(*r.get_used_filespec(origin.file_no))); | HASH_PUT_CSTR(*current, "file", new VString(*r.get_used_filespec(origin.file_no))); |
| current->put("line", new VInt(origin.line)); // no +1 as declaration before first command | HASH_PUT_CSTR(*current, "line", new VInt(origin.line)); // no +1 as declaration before first command |
| } | } |
| if(show_args || show_locals){ | if(show_args || show_locals){ |
| Line 632 static void _stack(Request& r, MethodPar | Line 677 static void _stack(Request& r, MethodPar |
| args->put(*method.extra_params, caller->get_element(*method.extra_params)); | args->put(*method.extra_params, caller->get_element(*method.extra_params)); |
| if(show_args) | if(show_args) |
| current->put("args", &vargs); | HASH_PUT_CSTR(*current, "args", &vargs); |
| if(show_locals){ | if(show_locals){ |
| VHash& vlocals=*new VHash; | VHash& vlocals=*new VHash; |
| HashStringValue* locals=vlocals.get_hash(); | HashStringValue* locals=vlocals.get_hash(); |
| if(VParserMethodFrame* frame=dynamic_cast<VParserMethodFrame*>(caller)) | if(VParserMethodFrame* frame=dynamic_cast<VParserMethodFrame*>(caller)){ |
| for(HashString<Value*>::Iterator h(frame->my); h; h.next()){ | LocalsInfo linfo = { args, locals }; |
| String::Body key=h.key(); | frame->my.for_each(collect_local, &linfo); |
| Value* value=h.value(); | } |
| if(!args->contains(key) && (key != "result")){ | |
| locals->put(key, value->get_junction() ? VVoid::get() : value); | |
| } | |
| } | |
| current->put("locals", &vlocals); | HASH_PUT_CSTR(*current, "locals", &vlocals); |
| } | } |
| } | } |
| } | } |
| result->put(pa_uitoa(index), &vcurrent); | result->put(String::Body::uitoa(index), &vcurrent); |
| } | } |
| caller=caller->caller(); | caller=caller->caller(); |
| index++; | index++; |
| Line 732 MReflection::MReflection(): Methoded("re | Line 773 MReflection::MReflection(): Methoded("re |
| // ^reflection:mixin[object or class or junction;options] | // ^reflection:mixin[object or class or junction;options] |
| add_native_method("mixin", Method::CT_STATIC, _mixin, 1, 2); | add_native_method("mixin", Method::CT_STATIC, _mixin, 1, 2); |
| // ^reflection:override[method junction[;$.to[class] $.name[another_name]]] | |
| add_native_method("override", Method::CT_STATIC, _override, 1, 2); | |
| // ^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); |