|
|
| version 1.98, 2025/05/26 00:52:15 | version 1.108, 2026/10/18 21:05:35 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b reflection parser class. | Parser: @b reflection parser class. |
| Copyright (c) 2001-2024 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> |
| */ | */ |
| Line 10 | Line 10 |
| #include "pa_vbool.h" | #include "pa_vbool.h" |
| #include "pa_varray.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 126 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 161 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 403 static void _filename(Request& r, Method | Line 404 static void _filename(Request& r, Method |
| } | } |
| } | } |
| static void _used(Request& r, MethodParams&) { | |
| VArray& result=*new VArray; | |
| ArrayValue& files=result.array(); | |
| for(uint file_no=pseudo_file_no__process+1; const String* file_spec=r.get_used_filespec(file_no); file_no++) | |
| files+=new VString(*file_spec); | |
| r.write(result); | |
| } | |
| static void _dynamical(Request& r, MethodParams& params) { | static void _dynamical(Request& r, MethodParams& params) { |
| if(params.count()){ | if(params.count()){ |
| r.write(VBool::get(params[0].get_class() != ¶ms[0])); | r.write(VBool::get(params[0].get_class() != ¶ms[0])); |
| Line 445 static void _uid(Request& r, MethodParam | Line 454 static void _uid(Request& r, MethodParam |
| Value& obj=params.as_no_junction(0, "object must not be code"); | Value& obj=params.as_no_junction(0, "object must not be code"); |
| char local_buf[MAX_NUMBER]; | char local_buf[MAX_NUMBER]; |
| int size=snprintf(local_buf, sizeof(local_buf), "%p", &obj); | int size=pa_snprintf(local_buf, sizeof(local_buf), "%p", &obj); |
| r.write(*new String(String::C(pa_strdup(local_buf, (size_t)size), size))); | r.write(*new String(String::C(pa_strdup(local_buf, (size_t)size), size))); |
| } | } |
| Line 475 static void _mixin(Request& r, MethodPar | Line 484 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 538 static void _mixin(Request& r, MethodPar | Line 540 static void _mixin(Request& r, MethodPar |
| } | } |
| } | } |
| String::Language get_untaint_lang(const String& lang_name); // op.C | 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)); | |
| } | |
| static void _tainting(Request& r, MethodParams& params) { | static void _tainting(Request& r, MethodParams& params) { |
| const String& str=params.as_string(params.count()-1, "param must be string"); | const String& str=params.as_string(params.count()-1, "param must be string"); |
| Line 551 static void _tainting(Request& r, Method | Line 584 static void _tainting(Request& r, Method |
| optimized=true; | optimized=true; |
| else if(slang == "tainted") | else if(slang == "tainted") |
| lang=String::L_TAINTED; | lang=String::L_TAINTED; |
| else lang=get_untaint_lang(slang); | else lang=String::name2lang(slang); |
| } | } |
| if(!str.is_empty()){ | if(!str.is_empty()){ |
| Line 572 static void _tainting(Request& r, Method | Line 605 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 581 static void _stack(Request& r, MethodPar | Line 627 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 651 static void _stack(Request& r, MethodPar | Line 689 static void _stack(Request& r, MethodPar |
| 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); | |
| } | |
| } | |
| HASH_PUT_CSTR(*current, "locals", &vlocals); | HASH_PUT_CSTR(*current, "locals", &vlocals); |
| } | } |
| Line 718 MReflection::MReflection(): Methoded("re | Line 752 MReflection::MReflection(): Methoded("re |
| // ^reflection:filename[object or class or method] | // ^reflection:filename[object or class or method] |
| add_native_method("filename", Method::CT_STATIC, _filename, 1, 1); | add_native_method("filename", Method::CT_STATIC, _filename, 1, 1); |
| // ^reflection:used[] | |
| add_native_method("used", Method::CT_STATIC, _used, 0, 0); | |
| // ^reflection:fields[object or class] | // ^reflection:fields[object or class] |
| add_native_method("fields", Method::CT_STATIC, _fields, 1, 1); | add_native_method("fields", Method::CT_STATIC, _fields, 1, 1); |
| Line 745 MReflection::MReflection(): Methoded("re | Line 782 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); |