--- parser3/src/classes/reflection.C 2017/01/23 20:13:18 1.80 +++ parser3/src/classes/reflection.C 2017/01/26 22:57:46 1.81 @@ -10,7 +10,7 @@ #include "pa_vbool.h" #include "pa_vobject.h" -volatile const char * IDENT_REFLECTION_C="$Id: reflection.C,v 1.80 2017/01/23 20:13:18 moko Exp $"; +volatile const char * IDENT_REFLECTION_C="$Id: reflection.C,v 1.81 2017/01/26 22:57:46 moko Exp $"; static const String class_type_methoded("methoded"); @@ -532,6 +532,111 @@ 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++; + } + if(key == "locals") { + show_locals=r.process(*value).as_bool(); + valid_options++; + } + if(key == "limit") { + limit=r.process(*value).as_int(); + valid_options++; + } + 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; icount(); 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(caller)) + for(HashString::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(format(index, 0), &vcurrent); + } + caller=caller->caller(); + index++; + } + + r.write(vresult); +} + // constructor MReflection::MReflection(): Methoded("reflection") { // ^reflection:create[class_name;constructor_name[;param1[;param2[;...]]]] @@ -603,4 +708,7 @@ MReflection::MReflection(): Methoded("re // ^reflection:tainting[[language or 'tainted' or 'optimized';]string] add_native_method("tainting", Method::CT_STATIC, _tainting, 1, 2); + // ^reflection:stack[options] + add_native_method("stack", Method::CT_STATIC, _stack, 0, 1); + }