--- parser3/src/main/execute.C 2009/06/07 13:15:54 1.347 +++ parser3/src/main/execute.C 2020/10/27 22:12:40 1.409 @@ -1,12 +1,10 @@ /** @file Parser: executor part of request class. - Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001-2017 Art. Lebedev Studio (http://www.artlebedev.com) Author: Alexandr Petrosian (http://paf.design.ru) */ -static const char * const IDENT_EXECUTE_C="$Date: 2009/06/07 13:15:54 $"; - #include "pa_opcode.h" #include "pa_array.h" #include "pa_request.h" @@ -23,21 +21,19 @@ static const char * const IDENT_EXECUTE_ #include "pa_vimage.h" #include "pa_wwrapper.h" +volatile const char * IDENT_EXECUTE_C="$Id: execute.C,v 1.409 2020/10/27 22:12:40 moko Exp $" IDENT_PA_OPCODE_H IDENT_PA_OPERATION_H IDENT_PA_VCODE_FRAME_H IDENT_PA_WWRAPPER_H; + //#define DEBUG_EXECUTE #ifdef DEBUG_EXECUTE -char *opcode_name[]={ +const char *opcode_name[]={ // literals "VALUE", "CURLY_CODE__STORE_PARAM", "EXPR_CODE__STORE_PARAM", "NESTED_CODE", // actions "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", -#ifdef OPTIMIZE_BYTECODE_GET_CLASS - "VALUE__GET_CLASS", -#else - "GET_CLASS", -#endif + "VALUE__GET_CLASS", "VALUE__GET_BASE_CLASS", "CONSTRUCT_VALUE", "CONSTRUCT_EXPR", "CURLY_CODE__CONSTRUCT", "WRITE_VALUE", "WRITE_EXPR_RESULT", "STRING__WRITE", #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT @@ -64,8 +60,21 @@ char *opcode_name[]={ "WITH_SELF__VALUE__GET_ELEMENT", "WITH_SELF__VALUE__GET_ELEMENT__WRITE", #endif + +#ifdef FEATURE_GET_ELEMENT4CALL + "GET_ELEMENT4CALL", +#ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT + "GET_OBJECT_ELEMENT4CALL", +#endif +#ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT + "GET_OBJECT_VAR_ELEMENT4CALL", +#endif +#endif // FEATURE_GET_ELEMENT4CALL + "OBJECT_POOL", "STRING_POOL", - "PREPARE_TO_CONSTRUCT_OBJECT", "PREPARE_TO_EXPRESSION", + "PREPARE_TO_CONSTRUCT_OBJECT", + "CONSTRUCT_OBJECT", + "CONSTRUCT_OBJECT__WRITE", "CALL", "CALL__WRITE", #ifdef OPTIMIZE_BYTECODE_CONSTRUCT @@ -77,6 +86,10 @@ char *opcode_name[]={ "WITH_SELF__VALUE__CONSTRUCT_VALUE", #endif +#ifdef OPTIMIZE_BYTECODE_GET_ELEMENT__SPECIAL + "GET_ELEMENT__SPECIAL", + "GET_ELEMENT__SPECIAL__WRITE", +#endif // expression ops: unary "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS", "DEXISTS", // expression ops: binary @@ -96,7 +109,7 @@ const char* debug_value_to_cstr(Value& v return string->cstr(); else if(value.is_bool()) - return value.as_bool()?"":""; + return value.as_bool() ? "" : ""; else return ""; } @@ -125,11 +138,29 @@ void debug_dump(SAPI_Info& sapi_info, in #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT || opcode==OP::OP_GET_OBJECT_ELEMENT || opcode==OP::OP_GET_OBJECT_ELEMENT__WRITE +#ifdef FEATURE_GET_ELEMENT4CALL + || opcode==OP::OP_GET_OBJECT_ELEMENT4CALL +#endif #endif #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE +#ifdef FEATURE_GET_ELEMENT4CALL + || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT4CALL +#endif +#endif + ){ + i.next(); // skip origin + Value& value1=*i.next().value; + i.next(); // skip origin + Value& value2=*i.next().value; + debug_printf(sapi_info, "%*s%s \"%s\" \"%s\"", level*4, "", opcode_name[opcode], debug_value_to_cstr(value1), debug_value_to_cstr(value2)); + continue; + } #endif + if( + opcode==OP::OP_CONSTRUCT_OBJECT + || opcode==OP::OP_CONSTRUCT_OBJECT__WRITE ){ i.next(); // skip origin Value& value1=*i.next().value; @@ -140,15 +171,16 @@ void debug_dump(SAPI_Info& sapi_info, in " \"%s\" \"%s\"", level*4, "", opcode_name[opcode], debug_value_to_cstr(value1), debug_value_to_cstr(value2)); + + if(ArrayOperation* local_ops=i.next().ops) + debug_dump(sapi_info, level+1, *local_ops); continue; } -#endif if( opcode==OP::OP_VALUE || opcode==OP::OP_STRING__WRITE -#ifdef OPTIMIZE_BYTECODE_GET_CLASS || opcode==OP::OP_VALUE__GET_CLASS -#endif + || opcode==OP::OP_VALUE__GET_BASE_CLASS #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT || opcode==OP::OP_VALUE__GET_ELEMENT || opcode==OP::OP_VALUE__GET_ELEMENT__WRITE @@ -178,6 +210,7 @@ void debug_dump(SAPI_Info& sapi_info, in debug_value_to_cstr(value), value.type()); continue; } + debug_printf(sapi_info, "%*s%s", level*4, "", opcode_name[opcode]); switch(opcode) { @@ -209,7 +242,6 @@ void debug_dump(SAPI_Info& sapi_info, in #define DEBUG_PRINT_OPS(local_ops) #endif - // Request void Request::execute(ArrayOperation& ops) { @@ -241,45 +273,69 @@ void Request::execute(ArrayOperation& op stack.push(value); break; } - -#ifdef OPTIMIZE_BYTECODE_GET_CLASS case OP::OP_VALUE__GET_CLASS: { - // maybe they do ^class:method[] call, remember the fact - wcontext->set_somebody_entered_some_class(); - debug_origin=i.next().origin; - Value& value=*i.next().value; - const String& name=*value.get_string(); + const String& name=*i.next().value->get_string(); debug_name=&name; DEBUG_PRINT_STRING(name) - Value* class_value=classes().get(name); - if(!class_value) - throw Exception(PARSER_RUNTIME, - &name, - "class is undefined"); + VStateless_class* vclass=get_class(name); + if(!vclass) + throw Exception(PARSER_RUNTIME, &name, "class is undefined"); - stack.push(*class_value); + stack.push(*vclass); break; } -#else - case OP::OP_GET_CLASS: + + case OP::OP_VALUE__GET_BASE_CLASS: { - // maybe they do ^class:method[] call, remember the fact - wcontext->set_somebody_entered_some_class(); + // ^class:method[] call - const String& name=stack.pop().string(); - Value* value=classes().get(name); - if(!value) - throw Exception(PARSER_RUNTIME, - &name, - "class is undefined"); + debug_origin=i.next().origin; + const String& name=*i.next().value->get_string(); debug_name=&name; - stack.push(*value); + DEBUG_PRINT_STRING(name) + + VStateless_class* vclass=get_class(name); + if(!vclass) + throw Exception(PARSER_RUNTIME, &name, "class is undefined"); + + stack.push(*new VBaseClassWrapper(*vclass, get_self())); + break; + } + +#ifdef OPTIMIZE_BYTECODE_GET_ELEMENT__SPECIAL + case OP::OP_GET_ELEMENT__SPECIAL: + case OP::OP_GET_ELEMENT__SPECIAL__WRITE: + { + const String& name=stack.pop().string(); debug_name=&name; + Value& ncontext=stack.pop().value(); + + Value* value=0; + if(VStateless_class* vclass=ncontext.get_class()){ + if(SYMBOLS_EQ(name,CLASS_SYMBOL)){ + value=vclass; + } else if(SYMBOLS_EQ(name,CLASS_NAME_SYMBOL)){ + value=new VString(*new String(vclass->type())); + } + } else { + // VJunction is without class, returning self + if(SYMBOLS_EQ(name,CLASS_SYMBOL)){ + value=&ncontext; + } else if(SYMBOLS_EQ(name,CLASS_NAME_SYMBOL)){ + value=new VString(*new String(ncontext.type())); + } + } + if(opcode==OP::OP_GET_ELEMENT__SPECIAL){ + stack.push(*value); + } else { + write(*value); + } break; } #endif + // OP_WITH case OP::OP_WITH_ROOT: { @@ -299,9 +355,7 @@ void Request::execute(ArrayOperation& op case OP::OP_WITH_WRITE: { if(wcontext==method_frame) - throw Exception(PARSER_RUNTIME, - 0, - "$.name outside of $name[...]"); + throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]"); stack.push(*wcontext); break; @@ -310,17 +364,16 @@ void Request::execute(ArrayOperation& op // OTHER ACTIONS BUT WITHs #ifdef OPTIMIZE_BYTECODE_CONSTRUCT -#define DO_CONSTRUCT(context, vvalue) { \ +#define DO_CONSTRUCT(context, vvalue) { \ debug_origin=i.next().origin; \ const String& name=*i.next().value->get_string(); debug_name=&name; \ DEBUG_PRINT_STRING(name) \ Value& value=stack.pop().value(); \ put_element( context, name, vvalue ); \ - break; \ + goto check_skip; \ } #define DO_CONSTRUCT_VALUE(context) DO_CONSTRUCT(context, &value) -#define DO_CONSTRUCT_EXPR(context) { \ - wcontext->set_in_expression(false); \ +#define DO_CONSTRUCT_EXPR(context) { \ DO_CONSTRUCT(context, &value.as_expr_result()) \ } @@ -360,15 +413,11 @@ void Request::execute(ArrayOperation& op Value& ncontext=stack.pop().value(); #endif put_element(ncontext, name, &value); - - break; + goto check_skip; } case OP::OP_CONSTRUCT_EXPR: { - // see OP_PREPARE_TO_EXPRESSION - wcontext->set_in_expression(false); - #ifdef OPTIMIZE_BYTECODE_CONSTRUCT const String& name=stack.pop().string(); debug_name=&name; Value& ncontext=stack.pop().value(); @@ -380,7 +429,7 @@ void Request::execute(ArrayOperation& op #endif Value& value=expr.as_expr_result(); put_element(ncontext, name, &value); - break; + goto check_skip; } case OP::OP_CURLY_CODE__CONSTRUCT: @@ -400,12 +449,9 @@ void Request::execute(ArrayOperation& op const String& name=stack.pop().string(); debug_name=&name; Value& ncontext=stack.pop().value(); - if(const VJunction* vjunction=ncontext.put_element(ncontext, name, &value, false)) - if(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT) - throw Exception(PARSER_RUNTIME, - 0, - "property value can not be code, use [] or () brackets"); - + if(const VJunction* vjunction=ncontext.put_element(name, &value)) + throw Exception(PARSER_RUNTIME, 0, "property value can not be code, use [] or () brackets"); + break; } case OP::OP_NESTED_CODE: @@ -420,17 +466,13 @@ void Request::execute(ArrayOperation& op case OP::OP_WRITE_VALUE: { Value& value=stack.pop().value(); - write_assign_lang(value); + write(value); break; } case OP::OP_WRITE_EXPR_RESULT: { Value& value=stack.pop().value(); - write_no_lang(value.as_expr_result()); - - // must be after write(result) and - // see OP_PREPARE_TO_EXPRESSION - wcontext->set_in_expression(false); + wcontext->write(value.as_expr_result()); break; } case OP::OP_STRING__WRITE: @@ -442,7 +484,7 @@ void Request::execute(ArrayOperation& op DEBUG_PRINT_STRING(string_value) - write_no_lang(string_value); + write(string_value); break; } @@ -461,7 +503,7 @@ void Request::execute(ArrayOperation& op } Value& value=get_element(*rcontext, name); stack.push(value); - break; + goto check_skip; } #else case OP::OP_GET_ELEMENT_OR_OPERATOR: @@ -475,64 +517,69 @@ void Request::execute(ArrayOperation& op } Value& value=get_element(ncontext, name); stack.push(value); - break; + goto check_skip; } #endif #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT - case OP::OP_GET_OBJECT_ELEMENT: - case OP::OP_GET_OBJECT_ELEMENT__WRITE: - { - debug_origin=i.next().origin; - const String& context_name=*i.next().value->get_string(); debug_name=&context_name; - - DEBUG_PRINT_STRING(context_name) - Value& object=get_element(*rcontext, context_name); - - debug_origin=i.next().origin; - const String& field_name=*i.next().value->get_string(); debug_name=&field_name; - - DEBUG_PRINT_STRING(field_name) +#define DO_GET_OBJECT_ELEMENT(code) {\ + debug_origin=i.next().origin; \ + const String& context_name=*i.next().value->get_string(); debug_name=&context_name; \ + DEBUG_PRINT_STRING(context_name) \ + Value& object=get_element(*rcontext, context_name); \ + debug_origin=i.next().origin; \ + const String& field_name=*i.next().value->get_string(); debug_name=&field_name; \ + DEBUG_PRINT_STRING(field_name) \ + code; \ + goto check_skip; \ + } + case OP::OP_GET_OBJECT_ELEMENT: DO_GET_OBJECT_ELEMENT({ Value& value=get_element(object, field_name); - - if(opcode==OP::OP_GET_OBJECT_ELEMENT){ - stack.push(value); - } else { - write_assign_lang(value); - } - break; - } + stack.push(value); + }) + case OP::OP_GET_OBJECT_ELEMENT__WRITE: DO_GET_OBJECT_ELEMENT({ + Value& value=get_element(object, field_name); + write(value); + }) +#ifdef FEATURE_GET_ELEMENT4CALL + case OP::OP_GET_OBJECT_ELEMENT4CALL: DO_GET_OBJECT_ELEMENT({ + Value& value=get_element4call(object, field_name); + stack.push(value); + }) +#endif #endif #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT - case OP::OP_GET_OBJECT_VAR_ELEMENT: - case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE: - { - debug_origin=i.next().origin; - const String& context_name=*i.next().value->get_string(); debug_name=&context_name; - - DEBUG_PRINT_STRING(context_name) - Value& object=get_element(*rcontext, context_name); - - debug_origin=i.next().origin; - const String& var_name=*i.next().value->get_string(); debug_name=&var_name; - - DEBUG_PRINT_STRING(var_name) - - const String* field=get_element(*rcontext, var_name).get_string(); +#define DO_GET_OBJECT_VAR_ELEMENT(code) {\ + debug_origin=i.next().origin; \ + const String& context_name=*i.next().value->get_string(); debug_name=&context_name; \ + DEBUG_PRINT_STRING(context_name) \ + Value& object=get_element(*rcontext, context_name); \ + debug_origin=i.next().origin; \ + const String& var_name=*i.next().value->get_string(); debug_name=&var_name; \ + DEBUG_PRINT_STRING(var_name) \ + const String* field=&get_element(*rcontext, var_name).as_string(); \ + code; \ + goto check_skip; \ + } + case OP::OP_GET_OBJECT_VAR_ELEMENT: DO_GET_OBJECT_VAR_ELEMENT({ Value& value=get_element(object, *field); - - if(opcode==OP::OP_GET_OBJECT_VAR_ELEMENT){ - stack.push(value); - } else { - write_assign_lang(value); - } - break; - } + stack.push(value); + }) + case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE: DO_GET_OBJECT_VAR_ELEMENT({ + Value& value=get_element(object, *field); + write(value); + }) +#ifdef FEATURE_GET_ELEMENT4CALL + case OP::OP_GET_OBJECT_VAR_ELEMENT4CALL: DO_GET_OBJECT_VAR_ELEMENT({ + Value& value=get_element4call(object, *field); + stack.push(value); + }) +#endif #endif case OP::OP_GET_ELEMENT: @@ -541,16 +588,27 @@ void Request::execute(ArrayOperation& op Value& ncontext=stack.pop().value(); Value& value=get_element(ncontext, name); stack.push(value); - break; + goto check_skip; } +#ifdef FEATURE_GET_ELEMENT4CALL + case OP::OP_GET_ELEMENT4CALL: + { + const String& name=stack.pop().string(); debug_name=&name; + Value& ncontext=stack.pop().value(); + Value& value=get_element4call(ncontext, name); + stack.push(value); + goto check_skip; + } +#endif + case OP::OP_GET_ELEMENT__WRITE: { const String& name=stack.pop().string(); debug_name=&name; Value& ncontext=stack.pop().value(); Value& value=get_element(ncontext, name); - write_assign_lang(value); - break; + write(value); + goto check_skip; } #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT @@ -563,7 +621,7 @@ void Request::execute(ArrayOperation& op Value& value=get_element(*rcontext, name); stack.push(value); - break; + goto check_skip; } case OP::OP_VALUE__GET_ELEMENT__WRITE: @@ -574,8 +632,8 @@ void Request::execute(ArrayOperation& op DEBUG_PRINT_STRING(name) Value& value=get_element(*rcontext, name); - write_assign_lang(value); - break; + write(value); + goto check_skip; } case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT: @@ -587,7 +645,7 @@ void Request::execute(ArrayOperation& op Value& value=get_element(*method_frame, name); stack.push(value); - break; + goto check_skip; } #endif @@ -605,28 +663,32 @@ void Request::execute(ArrayOperation& op if(opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT){ stack.push(value); } else { - write_assign_lang(value); + write(value); } - break; + goto check_skip; } #endif case OP::OP_OBJECT_POOL: { + debug_name=0; + ArrayOperation& local_ops=*i.next().ops; WContext *saved_wcontext=wcontext; - String::Language saved_lang=flang; - flang=String::L_PASS_APPENDED; - WWrapper local(0/*empty*/, wcontext); +#ifdef OPTIMIZE_SINGLE_STRING_WRITE + WObjectPoolWrapper local(wcontext); +#else + WWrapper local(wcontext); +#endif wcontext=&local; execute(local_ops); - stack.push(wcontext->result().as_value()); - flang=saved_lang; + stack.push((Value&)wcontext->result()); + wcontext=saved_wcontext; - break; + goto check_skip; } case OP::OP_STRING_POOL: @@ -634,22 +696,19 @@ void Request::execute(ArrayOperation& op ArrayOperation& local_ops=*i.next().ops; WContext *saved_wcontext=wcontext; - WWrapper local(0 /*empty*/, wcontext); + WWrapper local(wcontext); wcontext=&local; execute(local_ops); - Value* value; // from "$a $b" part of expression taking only string value, // ignoring any other content of wcontext - if(const String* string=wcontext->get_string()) - value=new VString(*string); - else - value=VVoid::get(); + const String* string=wcontext->get_string(); + Value* value=string ? new VString(*string) : new VString(); stack.push(*value); wcontext=saved_wcontext; - break; + goto check_skip; } // CALL @@ -683,17 +742,19 @@ void Request::execute(ArrayOperation& op break; } - case OP::OP_PREPARE_TO_CONSTRUCT_OBJECT: - { - wcontext->set_constructing(true); - break; - } - - case OP::OP_PREPARE_TO_EXPRESSION: - { - wcontext->set_in_expression(true); - break; - } +#define METHOD_PARAMS_ACTION(action) \ + if(local_ops){ \ + size_t first = stack.top_index(); \ + execute(*local_ops); \ + if(!fskip){ \ + frame.store_params((Value**)stack.ptr(first), stack.top_index()-first); \ + action; \ + } \ + stack.set_top_index(first); \ + } else { \ + frame.empty_params(); \ + action; \ + } case OP::OP_CALL: { @@ -707,42 +768,23 @@ void Request::execute(ArrayOperation& op Junction* junction=value.get_junction(); if(!junction) { if(value.is("void")) - throw Exception(PARSER_RUNTIME, - 0, - "undefined method"); + throw Exception(PARSER_RUNTIME, 0, "undefined method"); else - throw Exception(PARSER_RUNTIME, - 0, - "is '%s', not a method or junction, can not call it", - value.type()); + throw Exception(PARSER_RUNTIME, 0, "is '%s', not a method or junction, can not call it", value.type()); } - VMethodFrame frame(*junction, method_frame); - - if(local_ops){ // store param code goes here - size_t first = stack.top_index(); - execute(*local_ops); - frame.store_params((Value**)stack.ptr(first), stack.top_index()-first); - op_call(frame); - stack.set_top_index(first); - } else { - frame.empty_params(); - op_call(frame); + Value *result; + { + EXPRESSION_FRAME_ACTION(*junction->method, method_frame, junction->self, { + METHOD_PARAMS_ACTION(call(frame)); + result=&frame.result(); + // desctructor deletes junctions in stack params here + }); } - - stack.push(frame.result().as_value()); + stack.push(*result); DEBUG_PRINT_STR("<-returned") - - if(get_skip()) - return; - if(get_interrupted()) { - set_interrupted(false); - throw Exception("parser.interrupted", - 0, - "execution stopped"); - } - break; + goto check_skip; } case OP::OP_CALL__WRITE: @@ -757,27 +799,24 @@ void Request::execute(ArrayOperation& op Junction* junction=value.get_junction(); if(!junction) { if(value.is("void")) - throw Exception(PARSER_RUNTIME, - 0, - "undefined method"); + throw Exception(PARSER_RUNTIME, 0, "undefined method"); else - throw Exception(PARSER_RUNTIME, - 0, - "is '%s', not a method or junction, can not call it", - value.type()); + throw Exception(PARSER_RUNTIME, 0, "is '%s', not a method or junction, can not call it", value.type()); } -#ifdef OPTIMIZE_CALL const Method& method=*junction->method; - if (!wcontext->get_constructing() && method.call_optimization==Method::CO_WITHOUT_FRAME){ +#ifdef OPTIMIZE_CALL + if(method.call_optimization==Method::CO_WITHOUT_FRAME){ if(local_ops){ // store param code goes here size_t first = stack.top_index(); execute(*local_ops); - MethodParams method_params; - method_params.store_params((Value**)stack.ptr(first), stack.top_index()-first); - method.check_actual_numbered_params(junction->self, &method_params); - method.native_code(*this, method_params); // execute it + if(!fskip){ + MethodParams method_params; + method_params.store_params((Value**)stack.ptr(first), stack.top_index()-first); + method.check_actual_numbered_params(junction->self, &method_params); + method.native_code(*this, method_params); // execute it + } stack.set_top_index(first); } else { @@ -785,50 +824,68 @@ void Request::execute(ArrayOperation& op method.check_actual_numbered_params(junction->self, &method_params); method.native_code(*this, method_params); // execute it } - } else if (!wcontext->get_constructing() && method.call_optimization==Method::CO_WITHOUT_WCONTEXT){ - VMethodFrame frame(*junction, method_frame); - if(local_ops){ // store param code goes here - size_t first = stack.top_index(); - execute(*local_ops); - - frame.store_params((Value**)stack.ptr(first), stack.top_index()-first); - op_call_write(frame); - - stack.set_top_index(first); - } else { - frame.empty_params(); - op_call_write(frame); - } + } else if(method.call_optimization==Method::CO_WITHOUT_WCONTEXT){ + METHOD_FRAME_ACTION(method, method_frame, junction->self, { + METHOD_PARAMS_ACTION(call_write(frame)) + }); } else #endif // OPTIMIZE_CALL { - VMethodFrame frame(*junction, method_frame); - if(local_ops){ // store param code goes here - size_t first = stack.top_index(); - execute(*local_ops); - - frame.store_params((Value**)stack.ptr(first), stack.top_index()-first); - op_call(frame); - - stack.set_top_index(first); - } else { - frame.empty_params(); - op_call(frame); - } - write_pass_lang(frame.result()); + METHOD_FRAME_ACTION(method, method_frame, junction->self, { + METHOD_PARAMS_ACTION(call(frame)); + write(frame.result()); + }); } DEBUG_PRINT_STR("<-returned") + goto check_skip; + } - if(get_skip()) - return; - if(get_interrupted()) { - set_interrupted(false); - throw Exception("parser.interrupted", - 0, - "execution stopped"); + case OP::OP_CONSTRUCT_OBJECT: + case OP::OP_CONSTRUCT_OBJECT__WRITE: + { + debug_origin=i.next().origin; + Value& vclass_name=*i.next().value; + const String& class_name=*vclass_name.get_string(); debug_name=&class_name; + + DEBUG_PRINT_STRING(class_name) + + VStateless_class* vclass=get_class(class_name); + if(!vclass) + throw Exception(PARSER_RUNTIME, &class_name, "class is undefined"); + + debug_origin=i.next().origin; + Value& vconstructor_name=*i.next().value; + const String& constructor_name=*vconstructor_name.get_string(); debug_name=&constructor_name; + + DEBUG_PRINT_STRING(constructor_name) + + Junction* constructor_junction=get_element(*vclass, constructor_name).get_junction(); + if(!constructor_junction) + throw Exception(PARSER_RUNTIME, &constructor_name, "constructor must be declared in class '%s'", vclass->type()); + + ArrayOperation* local_ops=i.next().ops; + DEBUG_PRINT_OPS(local_ops) + DEBUG_PRINT_STR("->\n") + + Value *result; + { + Value& object=construct(*vclass, *constructor_junction->method); + CONSTRUCTOR_FRAME_ACTION(*constructor_junction->method, method_frame, object, { + METHOD_PARAMS_ACTION(call(frame)); + object.enable_default_setter(); + result=&frame.result(); + // desctructor deletes junctions in stack params here + }); } - break; + + if(opcode==OP::OP_CONSTRUCT_OBJECT) + stack.push(*result); + else + write(*result); + + DEBUG_PRINT_STR("<-returned") + goto check_skip; } // expression ops: unary @@ -914,9 +971,7 @@ void Request::execute(ArrayOperation& op if(b_double == 0) { //const String* problem_source=b.as_string(); - throw Exception("number.zerodivision", - 0, //problem_source, - "Division by zero"); + throw Exception("number.zerodivision", 0, "Division by zero"); } Value& value=*new VDouble(a_double / b_double); @@ -932,9 +987,7 @@ void Request::execute(ArrayOperation& op if(b_double == 0) { //const String* problem_source=b.as_string(); - throw Exception("number.zerodivision", - 0, //problem_source, - "Modulus by zero"); + throw Exception("number.zerodivision", 0, "Modulus by zero"); } Value& value=*new VDouble(fmod(a_double, b_double)); @@ -950,9 +1003,7 @@ void Request::execute(ArrayOperation& op if(b_int == 0) { //const String* problem_source=b.as_string(); - throw Exception("number.zerodivision", - 0, //problem_source, - "Division by zero"); + throw Exception("number.zerodivision", 0, "Division by zero"); } Value& value=*new VInt(a_int / b_int); @@ -1016,7 +1067,7 @@ void Request::execute(ArrayOperation& op result=false; Value& value=VBool::get(result); stack.push(value); - break; + goto check_skip; } case OP::OP_LOG_OR: { @@ -1031,7 +1082,7 @@ void Request::execute(ArrayOperation& op } Value& value=VBool::get(result); stack.push(value); - break; + goto check_skip; } case OP::OP_LOG_XOR: { @@ -1137,11 +1188,21 @@ void Request::execute(ArrayOperation& op stack.push(value); break; } - default: - throw Exception(0, - 0, - "invalid opcode %d", opcode); + { + throw Exception(0, 0, "invalid opcode %d", opcode); + } + check_skip: + { + if(fskip){ + if(fskip==Request::SKIP_INTERRUPTED){ + set_skip(Request::SKIP_NOTHING); + throw Exception("parser.interrupted", 0, "execution stopped"); + } + return; + } + break; + } } } } catch(const Exception&) { @@ -1153,243 +1214,141 @@ void Request::execute(ArrayOperation& op } #define SAVE_CONTEXT \ - VMethodFrame *saved_method_frame=method_frame; \ - Value* saved_rcontext=rcontext; \ + VMethodFrame *saved_method_frame=method_frame; \ + Value* saved_rcontext=rcontext; \ WContext *saved_wcontext=wcontext; -#define RESTORE_CONTEXT \ - wcontext=saved_wcontext; \ - rcontext=saved_rcontext; \ +#define RESTORE_CONTEXT \ + wcontext=saved_wcontext; \ + rcontext=saved_rcontext; \ method_frame=saved_method_frame; -void Request::op_call(VMethodFrame& frame){ - const Junction &junction=frame.junction; - VStateless_class& called_class=*junction.self.get_class(); - Value* new_self; - - if(wcontext->get_constructing()) { - wcontext->set_constructing(false); - if(junction.method->call_type!=Method::CT_STATIC) { - // this is a constructor call - HashStringValue& new_object_fields=*new HashStringValue(); - if(new_self=called_class.create_new_value(fpool, new_object_fields)) { - // some stateless_class creatable derivates - } else - throw Exception(PARSER_RUNTIME, - 0, //&frame.name(), - "is not a constructor, system class '%s' can be constructed only implicitly", - called_class.name().cstr()); - - frame.write(*new_self, - String::L_CLEAN // not used, always an object, not string - ); - } else - throw Exception(PARSER_RUNTIME, - 0, //&frame.name(), - "method is static and can not be used as constructor"); - } else - new_self=&junction.self; - - frame.set_self(*new_self); - - // see OP_PREPARE_TO_EXPRESSION - frame.set_in_expression(wcontext->get_in_expression()); - - SAVE_CONTEXT - - rcontext=wcontext=&frame; - method_frame=&frame; - - const Method& method=*junction.method; - Method::Call_type call_type=&called_class==new_self ? Method::CT_STATIC : Method::CT_DYNAMIC; - - if(method.call_type==Method::CT_ANY || method.call_type==call_type) { // allowed call type? - if(method.native_code) { // native code? - method.check_actual_numbered_params(junction.self, frame.numbered_params()); - method.native_code(*this, *frame.numbered_params()); // execute it - } else // parser code, execute it - recoursion_checked_execute(*method.parser_code); - } else - throw Exception(PARSER_RUNTIME, - 0, - "is not allowed to be called %s", - call_type==Method::CT_STATIC?"statically":"dynamically"); - - RESTORE_CONTEXT - //return &frame; -} +Value& Request::construct(VStateless_class &called_class, const Method &method){ -void Request::op_call_write(VMethodFrame& frame){ - const Junction &junction=frame.junction; - - frame.set_self(junction.self); - - VMethodFrame *saved_method_frame=method_frame; - Value* saved_rcontext=rcontext; - - rcontext=&frame; - method_frame=&frame; - - const Method& method=*junction.method; - Method::Call_type call_type=junction.self.get_class()==&junction.self ? Method::CT_STATIC : Method::CT_DYNAMIC; - - if(method.call_type==Method::CT_ANY || method.call_type==call_type) { // allowed call type? - if(method.native_code) { // native code? - method.check_actual_numbered_params(junction.self, frame.numbered_params()); - method.native_code(*this, *frame.numbered_params()); // execute it - } else // parser code, execute it - recoursion_checked_execute(*method.parser_code); + if(method.call_type!=Method::CT_STATIC) { + // this is a constructor call + if(Value* result=called_class.create_new_value(fpool)) { + // some stateless_class creatable derivates + return *result; + } else + throw Exception(PARSER_RUNTIME, method.name, + "is not a constructor, system class '%s' can be constructed only implicitly", called_class.type()); } else - throw Exception(PARSER_RUNTIME, - 0, - "is not allowed to be called %s", - call_type==Method::CT_STATIC?"statically":"dynamically"); - - rcontext=saved_rcontext; - method_frame=saved_method_frame; + throw Exception(PARSER_RUNTIME, method.name, "method of '%s' is static and can not be used as constructor", called_class.type()); } -/** - @bug ^superbase:method would dynamically call ^base:method if there is any -*/ Value& Request::get_element(Value& ncontext, const String& name) { - if(!wcontext->get_constructing() // not constructing - && wcontext->get_somebody_entered_some_class() ) // ^class:method - if(VStateless_class *called_class=ncontext.get_class()) - if(VStateless_class *read_class=rcontext->get_class()) - if(read_class->derived_from(*called_class)) // current derived from called - if(Value* base=get_self().base()) { // doing DYNAMIC call - Temp_derived temp_derived(*base, 0); // temporarily prevent go-back-down virtual calls - Value *value=base->get_element(name, *base, true); // virtual-up lookup starting from parent - return *(value ? &process_to_value(*value) : VVoid::get()); - } - - Value* value=ncontext.get_element(name, ncontext, true); - - if(value && wcontext->get_constructing()) - if(Junction* junction=value->get_junction()) - if(junction->self.get_class()!=&ncontext) - throw Exception(PARSER_RUNTIME, - &name, - "constructor must be declared in class '%s'", - ncontext.get_class()->name_cstr()); + Value* value=ncontext.get_element(name); + return *(value ? &process(*value) : VVoid::get()); +} - return *(value ? &process_to_value(*value) : VVoid::get()); +#ifdef FEATURE_GET_ELEMENT4CALL +Value& Request::get_element4call(Value& ncontext, const String& name) { + Value* value=ncontext.get_element4call(name); + return *(value ? &process(*value) : VVoid::get()); } +#endif void Request::put_element(Value& ncontext, const String& name, Value* value) { // put_element can return property-setting-junction - if(const VJunction* vjunction=ncontext.put_element(ncontext, name, value, false)) - if(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT) { - // process it - VMethodFrame frame(vjunction->junction(), method_frame/*caller*/); - int param_count=frame.method_params_count(); - + if(const VJunction* vjunction=ncontext.put_element(name, value)) { + const Junction& junction = vjunction->junction(); + int param_count=junction.method->params_count; + + if(junction.auto_name) { + // default setter + if(param_count!=2) + throw Exception(PARSER_RUNTIME, 0, "default setter method must have TWO parameters (has %d parameters)", param_count); + + Value* params[2] = { new VString(*junction.auto_name), value }; + + CONSTRUCTOR_FRAME_ACTION(*junction.method, method_frame /*caller*/, junction.self, { + frame.store_params(params, 2); + Temp_disable_default_setter temp(junction.self); + call(frame); + }); + } else { + // setter if(param_count!=1) - throw Exception(PARSER_RUNTIME, - 0, - "setter method must have ONE parameter (has %d parameters)", param_count); - - frame.store_params(&value, 1); - frame.set_self(frame.junction.self); - - SAVE_CONTEXT - - rcontext=wcontext=&frame; - method_frame=&frame; + throw Exception(PARSER_RUNTIME, 0, "setter method must have ONE parameter (has %d parameters)", param_count); - // prevent non-string writes for better error reporting [setters are not expected to return anything] - wcontext->write(*method_frame); - - recoursion_checked_execute(*frame.junction.method->parser_code); // parser code, execute it - // we don't need it StringOrValue result=wcontext->result(); - - RESTORE_CONTEXT + CONSTRUCTOR_FRAME_ACTION(*junction.method, method_frame /*caller*/, junction.self, { + frame.store_params(&value, 1); + call(frame); + }); } + } } -/** @param intercept_string - - true: - they want result=string value, - possible object result goes to wcontext - - false: - they want any result[string|object] - nothing goes to wcontext. - used in @c (expression) params evaluation +Value& Request::process_getter(Junction& junction) { + int param_count=junction.method->params_count; - using the fact it's either string_ or value_ result requested to speed up checkes -*/ -StringOrValue Request::process(Value& input_value, bool intercept_string) { - Junction* junction=input_value.get_junction(); - if(junction) { - if(junction->is_getter) { // is it a getter-junction? - VMethodFrame frame(*junction, method_frame/*caller*/); - int param_count=frame.method_params_count(); + if(junction.auto_name){ + // default getter + if(param_count>1) + throw Exception(PARSER_RUNTIME, 0, "default getter method can't have more then 1 parameter (has %d parameters)", param_count); + + Value *param; + METHOD_FRAME_ACTION(*junction.method, method_frame/*caller*/, junction.self, { if(param_count){ - if(junction->auto_name){ // default getter - if(param_count==1){ - Value *param=new VString(*junction->auto_name); - frame.store_params(¶m, 1); - } else - throw Exception(PARSER_RUNTIME, - 0, - "default getter method can't have more then 1 parameter (has %d parameters)", param_count); - } else - throw Exception(PARSER_RUNTIME, - 0, - "getter method must have no parameters (has %d parameters)", param_count); + param=new VString(*junction.auto_name); + frame.store_params(¶m, 1); } // no need for else frame.empty_params() - frame.set_self(frame.junction.self); - - SAVE_CONTEXT - - rcontext=wcontext=&frame; - method_frame=&frame; - - recoursion_checked_execute(*frame.junction.method->parser_code); // parser code, execute it - StringOrValue result=wcontext->result(); + Temp_disable_default_getter temp(junction.self); + call(frame); + return frame.result(); + }); + } else { + // getter + if(param_count>0) + throw Exception(PARSER_RUNTIME, 0, "getter method must have no parameters (has %d parameters)", param_count); + + METHOD_FRAME_ACTION(*junction.method, method_frame/*caller*/, junction.self, { + // no need for frame.empty_params() + call(frame); + return frame.result(); + }); + } - RESTORE_CONTEXT +} - return result; +Value& Request::process(Value& input_value) { + Junction* junction=input_value.get_junction(); + if(junction) { + if(junction->is_getter) { // is it a getter-junction? + return process(process_getter(*junction)); } if(junction->code) { // is it a code-junction? // process it - StringOrValue result; + ValueRef result; DEBUG_PRINT_STR("ja->\n") if(!junction->method_frame) - throw Exception(PARSER_RUNTIME, - 0, - "junction used outside of context"); + throw Exception(PARSER_RUNTIME, 0, "junction used outside of context"); SAVE_CONTEXT method_frame=junction->method_frame; rcontext=junction->rcontext; - // for expression method params - // wcontext is set 0 - // using the fact in decision "which wwrapper to use" - bool using_code_frame=intercept_string && junction->wcontext; - if(using_code_frame) { - // almost plain wwrapper about junction wcontext - + // for code in [] and () wcontext is set 0 + // using the fact in decision "which wrapper to use" + if(junction->wcontext) { + // {} code wrapper VCodeFrame local(*junction->wcontext); wcontext=&local; // execute it recoursion_checked_execute(*junction->code); - // CodeFrame soul: result=wcontext->result(); } else { - // plain wwrapper - WWrapper local(0/*empty*/, wcontext); + // [] or () code wrapper + WWrapper local(wcontext); wcontext=&local; // execute it @@ -1415,57 +1374,23 @@ StringOrValue Request::process(Value& in void Request::process_write(Value& input_value) { Junction* junction=input_value.get_junction(); if(junction) { - if(junction->is_getter) { // is it a getter-junction? - VMethodFrame frame(*junction, method_frame/*caller*/); - int param_count=frame.method_params_count(); - - if(param_count){ - if(junction->auto_name){ // default getter - if(param_count==1){ - Value *param=new VString(*junction->auto_name); - frame.store_params(¶m, 1); - } else - throw Exception(PARSER_RUNTIME, - 0, - "default getter method can't have more then 1 parameter (has %d parameters)", param_count); - } else - throw Exception(PARSER_RUNTIME, - 0, - "getter method must have no parameters (has %d parameters)", param_count); - } // no need for else frame.empty_params() - - frame.set_self(frame.junction.self); - - SAVE_CONTEXT - - rcontext=wcontext=&frame; - method_frame=&frame; - - recoursion_checked_execute(*frame.junction.method->parser_code); // parser code, execute it - - RESTORE_CONTEXT - - write_pass_lang(frame.result()); - return; - } + // no getter-junction check as process_write is called + // to process method arguments, not from get_element if(junction->code) { // is it a code-junction? - // process it + // process it DEBUG_PRINT_STR("ja->\n") if(!junction->method_frame) - throw Exception(PARSER_RUNTIME, - 0, - "junction used outside of context"); + throw Exception(PARSER_RUNTIME, 0, "junction used outside of context"); SAVE_CONTEXT method_frame=junction->method_frame; rcontext=junction->rcontext; - // for expression method params - // wcontext is set 0 + // for code in [] and () wcontext is set 0 // using the fact in decision "which wwrapper to use" #ifdef OPTIMIZE_CALL if(wcontext==junction->wcontext){ @@ -1476,23 +1401,23 @@ void Request::process_write(Value& input } else #endif if(junction->wcontext) { - // almost plain wwrapper about junction wcontext + // {} code wrapper VCodeFrame local(*junction->wcontext); wcontext=&local; // execute it recoursion_checked_execute(*junction->code); RESTORE_CONTEXT - write_pass_lang(local.result()); + write(local.result()); } else { - // plain wwrapper - WWrapper local(0/*empty*/, wcontext); + // [] or () code wrapper + WWrapper local(wcontext); wcontext=&local; // execute it recoursion_checked_execute(*junction->code); RESTORE_CONTEXT - write_pass_lang(local.result()); + write(local.result()); } DEBUG_PRINT_STR("<-ja returned") @@ -1504,78 +1429,126 @@ void Request::process_write(Value& input // just return it as we do for usual objects } - write_pass_lang(input_value); + write(input_value); } -StringOrValue Request::execute_method(VMethodFrame& amethod_frame, const Method& method) { - SAVE_CONTEXT - - // initialize contexts - rcontext=wcontext=method_frame=&amethod_frame; - - // execute! - execute(*method.parser_code); - - // result - StringOrValue result=wcontext->result(); - - RESTORE_CONTEXT - - // return - return result; -} +const String* Request::execute_method(VStateless_class& aclass, const String& method_name, Value* optional_param) { + if(const Method *method=aclass.get_method(method_name)){ + METHOD_FRAME_ACTION(*method, method_frame/*caller*/, aclass, { -const String* Request::execute_method(Value& aself, - const Method& method, Value* optional_param, - bool do_return_string) { + if(optional_param && method->params_count>0) { + frame.store_params(&optional_param, 1); + } else { + frame.empty_params(); + } + + // prevent non-string writes for better error reporting + frame.write(frame); - SAVE_CONTEXT + call(frame); - Junction local_junction(aself, &method); - VMethodFrame local_frame(local_junction, method_frame/*caller*/); - if(optional_param && local_frame.method_params_count()>0) { - local_frame.store_params(&optional_param, 1); - } else { - local_frame.empty_params(); + return &frame.result().as_string(); + }); } - local_frame.set_self(aself); - rcontext=wcontext=method_frame=&local_frame; + return 0; +} - // prevent non-string writes for better error reporting - if(do_return_string) - wcontext->write(local_frame); - - // execute! - execute(*method.parser_code); - - // result - const String* result=0; - if(do_return_string) - result=&wcontext->result().as_string(); - - RESTORE_CONTEXT +bool Request::execute_method_if_exists(VStateless_class& aclass, const String& method_name, Value* optional_param) { + if(const Method *method=aclass.get_method(method_name)){ + METHOD_FRAME_ACTION(*method, method_frame/*caller*/, aclass, { - return result; + if(optional_param && method->params_count>0) { + frame.store_params(&optional_param, 1); + } else { + frame.empty_params(); + } + + call(frame); + }); + return true; + } + return false; } -Request::Execute_nonvirtual_method_result -Request::execute_nonvirtual_method(VStateless_class& aclass, - const String& method_name, - VString* optional_param, - bool do_return_string) { - Execute_nonvirtual_method_result result; - result.method=aclass.get_method(method_name); - if(result.method) - result.string=execute_method(aclass, *result.method, optional_param, do_return_string); - return result; +const String* Request::get_method_filespec(const Method* method){ + Operation::Origin origin=get_method_origin(method); + return origin.file_no ? get_used_filespec(origin.file_no) : NULL; } -const String* Request::execute_virtual_method(Value& aself, - const String& method_name) { - if(Value* value=aself.get_element(method_name, aself, false)) - if(Junction* junction=value->get_junction()) - if(const Method *method=junction->method) - return execute_method(aself, *method, 0/*no params*/, true); - - return 0; +const Operation::Origin Request::get_method_origin(const Method* method){ + Operation::Origin origin={0, 0, 0}; + + if(ArrayOperation* code=method->parser_code) + if(code){ + Array_iterator i(*code); + while( i.has_next() ){ + switch( i.next().code ){ + case OP::OP_CURLY_CODE__STORE_PARAM: + case OP::OP_EXPR_CODE__STORE_PARAM: + case OP::OP_CURLY_CODE__CONSTRUCT: + case OP::OP_NESTED_CODE: + case OP::OP_OBJECT_POOL: + case OP::OP_STRING_POOL: + case OP::OP_CALL: + case OP::OP_CALL__WRITE: + { + i.next(); // skip local ops + i.next(); // skip next opcode + // continue execution + } + case OP::OP_CONSTRUCT_OBJECT: + case OP::OP_CONSTRUCT_OBJECT__WRITE: + case OP::OP_VALUE: + case OP::OP_STRING__WRITE: + case OP::OP_VALUE__GET_CLASS: + case OP::OP_VALUE__GET_BASE_CLASS: +#ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT + case OP::OP_GET_OBJECT_ELEMENT: + case OP::OP_GET_OBJECT_ELEMENT__WRITE: +#endif +#ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT + case OP::OP_GET_OBJECT_VAR_ELEMENT: + case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE: +#endif +#ifdef OPTIMIZE_BYTECODE_GET_ELEMENT + case OP::OP_VALUE__GET_ELEMENT: + case OP::OP_VALUE__GET_ELEMENT__WRITE: + case OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR: + case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT: +#endif +#ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT + case OP::OP_WITH_SELF__VALUE__GET_ELEMENT: + case OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE: +#endif + +#ifdef FEATURE_GET_ELEMENT4CALL + case OP::OP_GET_ELEMENT4CALL: +#ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT + case OP::OP_GET_OBJECT_ELEMENT4CALL: +#endif +#ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT + case OP::OP_GET_OBJECT_VAR_ELEMENT4CALL: +#endif +#endif // FEATURE_GET_ELEMENT4CALL + +#ifdef OPTIMIZE_BYTECODE_CONSTRUCT + case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR: + case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE: + case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR: + case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE: + case OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR: + case OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE: +#endif + { + origin=i.next().origin; + break; + } + default: break; + } + if(origin.file_no) + return origin; + } + } + return origin; } +