--- parser3/src/main/execute.C 2010/10/21 15:25:07 1.367 +++ parser3/src/main/execute.C 2016/10/11 21:30:16 1.392 @@ -1,12 +1,10 @@ /** @file Parser: executor part of request class. - Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com) + Copyright (c) 2001-2015 Art. Lebedev Studio (http://www.artlebedev.com) Author: Alexandr Petrosian (http://paf.design.ru) */ -static const char * const IDENT_EXECUTE_C="$Date: 2010/10/21 15:25:07 $"; - #include "pa_opcode.h" #include "pa_array.h" #include "pa_request.h" @@ -23,17 +21,19 @@ static const char * const IDENT_EXECUTE_ #include "pa_vimage.h" #include "pa_wwrapper.h" +volatile const char * IDENT_EXECUTE_C="$Id: execute.C,v 1.392 2016/10/11 21:30:16 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", - "VALUE__GET_CLASS", + "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 @@ -60,11 +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", "CONSTRUCT_OBJECT", "CONSTRUCT_OBJECT__WRITE", - "PREPARE_TO_EXPRESSION", "CALL", "CALL__WRITE", #ifdef OPTIMIZE_BYTECODE_CONSTRUCT @@ -76,6 +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 @@ -95,7 +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 ""; } @@ -124,21 +138,23 @@ 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)); + 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 @@ -164,6 +180,7 @@ void debug_dump(SAPI_Info& sapi_info, in opcode==OP::OP_VALUE || opcode==OP::OP_STRING__WRITE || opcode==OP::OP_VALUE__GET_CLASS + || 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 @@ -259,24 +276,67 @@ void Request::execute(ArrayOperation& op } 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; + const String& name=*i.next().value->get_string(); debug_name=&name; + + DEBUG_PRINT_STRING(name) + + VStateless_class* vclass=get_class(name); + if(!vclass) + throw Exception(PARSER_RUNTIME, &name, "class is undefined"); + + stack.push(*vclass); + break; + } + + case OP::OP_VALUE__GET_BASE_CLASS: + { + // ^class:method[] call debug_origin=i.next().origin; - Value& value=*i.next().value; - const String& name=*value.get_string(); debug_name=&name; + const String& name=*i.next().value->get_string(); debug_name=&name; DEBUG_PRINT_STRING(name) - Value* class_value=get_class(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(*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_assign_lang(*value); + } + break; + } +#endif + // OP_WITH case OP::OP_WITH_ROOT: { @@ -296,9 +356,7 @@ 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; @@ -307,7 +365,7 @@ 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) \ @@ -316,8 +374,7 @@ void Request::execute(ArrayOperation& op break; \ } #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()) \ } @@ -363,9 +420,6 @@ void Request::execute(ArrayOperation& op 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(); @@ -397,11 +451,9 @@ 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(name, &value, false)) + if(const VJunction* vjunction=ncontext.put_element(name, &value)) if(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT) - throw Exception(PARSER_RUNTIME, - 0, - "property value can not be code, use [] or () brackets"); + throw Exception(PARSER_RUNTIME, 0, "property value can not be code, use [] or () brackets"); break; } @@ -422,9 +474,6 @@ void Request::execute(ArrayOperation& op } case OP::OP_WRITE_EXPR_RESULT: { - // see OP_PREPARE_TO_EXPRESSION - wcontext->set_in_expression(false); - Value& value=stack.pop().value(); wcontext->write(value.as_expr_result()); break; @@ -476,59 +525,64 @@ void Request::execute(ArrayOperation& op #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; \ + break; \ + } + 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_assign_lang(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).as_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; \ + break; \ + } + 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_assign_lang(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: @@ -540,6 +594,17 @@ void Request::execute(ArrayOperation& op break; } +#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); + break; + } +#endif + case OP::OP_GET_ELEMENT__WRITE: { const String& name=stack.pop().string(); debug_name=&name; @@ -623,7 +688,7 @@ void Request::execute(ArrayOperation& op execute(local_ops); - stack.push(wcontext->result().as_value()); + stack.push(wcontext->result()); flang=saved_lang; wcontext=saved_wcontext; break; @@ -680,22 +745,16 @@ void Request::execute(ArrayOperation& op break; } - case OP::OP_PREPARE_TO_EXPRESSION: - { - wcontext->set_in_expression(true); - break; - } - -#define METHOD_FRAME_ACTION(action) \ - if(local_ops){ \ - size_t first = stack.top_index(); \ - execute(*local_ops); \ - frame.store_params((Value**)stack.ptr(first), stack.top_index()-first); \ - action; \ - stack.set_top_index(first); \ - } else { \ - frame.empty_params(); \ - action; \ +#define METHOD_FRAME_ACTION(action) \ + if(local_ops){ \ + size_t first = stack.top_index(); \ + execute(*local_ops); \ + 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: @@ -710,19 +769,19 @@ 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, method_frame, junction->self); - METHOD_FRAME_ACTION(op_call(frame)); - stack.push(frame.result().as_value()); + Value *result; + { + VMethodFrame frame(*junction->method, method_frame, junction->self); + METHOD_FRAME_ACTION(call_expression(frame)); + result=&frame.result(); + // VMethodFrame desctructor deletes junctions in stack params here + } + stack.push(*result); DEBUG_PRINT_STR("<-returned") @@ -730,9 +789,7 @@ void Request::execute(ArrayOperation& op return; if(get_interrupted()) { set_interrupted(false); - throw Exception("parser.interrupted", - 0, - "execution stopped"); + throw Exception("parser.interrupted", 0, "execution stopped"); } break; } @@ -749,18 +806,13 @@ 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; +#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(); @@ -779,12 +831,12 @@ void Request::execute(ArrayOperation& op } } else if(method.call_optimization==Method::CO_WITHOUT_WCONTEXT){ VMethodFrame frame(method, method_frame, junction->self); - METHOD_FRAME_ACTION(op_call_write(frame)); + METHOD_FRAME_ACTION(call_write(frame)); } else #endif // OPTIMIZE_CALL { VMethodFrame frame(method, method_frame, junction->self); - METHOD_FRAME_ACTION(op_call(frame)); + METHOD_FRAME_ACTION(call(frame)); write_pass_lang(frame.result()); } @@ -794,9 +846,7 @@ void Request::execute(ArrayOperation& op return; if(get_interrupted()) { set_interrupted(false); - throw Exception("parser.interrupted", - 0, - "execution stopped"); + throw Exception("parser.interrupted", 0, "execution stopped"); } break; } @@ -810,11 +860,9 @@ void Request::execute(ArrayOperation& op DEBUG_PRINT_STRING(class_name) - Value* class_value=get_class(class_name); - if(!class_value) - throw Exception(PARSER_RUNTIME, - &class_name, - "class is undefined"); + 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; @@ -822,26 +870,28 @@ void Request::execute(ArrayOperation& op DEBUG_PRINT_STRING(constructor_name) - Junction* constructor_junction=get_element(*class_value, constructor_name).get_junction(); + 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'", - class_value->get_class()->name_cstr()); + 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 &object=construct(*class_value, *constructor_junction->method); - VConstructorFrame frame(*constructor_junction->method, method_frame, object); - METHOD_FRAME_ACTION(op_call(frame)); - object.enable_default_setter(); + Value *result; + { + Value& object=construct(*vclass, *constructor_junction->method); + VConstructorFrame frame(*constructor_junction->method, method_frame, object); + METHOD_FRAME_ACTION(call(frame)); + object.enable_default_setter(); + result=&frame.result(); + // VMethodFrame desctructor deletes junctions in stack params here + } if(opcode==OP::OP_CONSTRUCT_OBJECT) - stack.push(frame.result().as_value()); + stack.push(*result); else - write_pass_lang(frame.result()); + write_pass_lang(*result); DEBUG_PRINT_STR("<-returned") break; @@ -930,9 +980,7 @@ 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); @@ -948,9 +996,7 @@ 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)); @@ -966,9 +1012,7 @@ 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); @@ -1155,9 +1199,7 @@ void Request::execute(ArrayOperation& op } default: - throw Exception(0, - 0, - "invalid opcode %d", opcode); + throw Exception(0, 0, "invalid opcode %d", opcode); } } } catch(const Exception&) { @@ -1169,18 +1211,16 @@ 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; - -Value& Request::construct(Value &class_value, const Method &method){ - VStateless_class& called_class=*class_value.get_class(); +Value& Request::construct(VStateless_class &called_class, const Method &method){ if(method.call_type!=Method::CT_STATIC) { // this is a constructor call @@ -1191,21 +1231,12 @@ Value& Request::construct(Value &class_v throw Exception(PARSER_RUNTIME, 0, //&frame.name(), "is not a constructor, system class '%s' can be constructed only implicitly", - called_class.name().cstr()); + called_class.type()); } else - throw Exception(PARSER_RUNTIME, - 0, //&frame.name(), - "method is static and can not be used as constructor"); + throw Exception(PARSER_RUNTIME, 0, "method is static and can not be used as constructor"); } -void Request::op_call(VMethodFrame& frame){ - // see OP_PREPARE_TO_EXPRESSION - frame.set_in_expression(wcontext->get_in_expression()); - - SAVE_CONTEXT - - rcontext=wcontext=method_frame=&frame; - +inline void do_call(VMethodFrame& frame, Request &r){ Value& self=frame.self(); const Method& method=frame.method; Method::Call_type call_type=self.get_class()==&self ? Method::CT_STATIC : Method::CT_DYNAMIC; @@ -1213,62 +1244,61 @@ void Request::op_call(VMethodFrame& fram 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(self, frame.numbered_params()); - method.native_code(*this, *frame.numbered_params()); // execute it + method.native_code(r, *frame.numbered_params()); // execute it } else // parser code, execute it - recoursion_checked_execute(*method.parser_code); + r.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"); + throw Exception(PARSER_RUNTIME, 0, "is not allowed to be called %s", call_type==Method::CT_STATIC ? "statically" : "dynamically"); +} + +void Request::call(VMethodFrame& frame){ + SAVE_CONTEXT + + rcontext=wcontext=method_frame=&frame; + + do_call(frame, *this); + + RESTORE_CONTEXT +} + +void Request::call_expression(VMethodFrame& frame){ + SAVE_CONTEXT + + frame.set_in_expression(true); + rcontext=wcontext=method_frame=&frame; + + do_call(frame, *this); RESTORE_CONTEXT } -void Request::op_call_write(VMethodFrame& frame){ +void Request::call_write(VMethodFrame& frame){ VMethodFrame *saved_method_frame=method_frame; Value* saved_rcontext=rcontext; - rcontext=&frame; - method_frame=&frame; + rcontext=method_frame=&frame; - Value& self=frame.self(); - const Method& method=frame.method; - Method::Call_type call_type=self.get_class()==&self ? Method::CT_STATIC : Method::CT_DYNAMIC; + do_call(frame, *this); - 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(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"); - rcontext=saved_rcontext; method_frame=saved_method_frame; } Value& Request::get_element(Value& ncontext, const String& name) { - if(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 - Value *value=called_class->get_element(get_self(), name); - return *(value ? &process_to_value(*value) : VVoid::get()); - } - 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(name, value, false)) + if(const VJunction* vjunction=ncontext.put_element(name, value)) if(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT) { const Junction& junction = vjunction->junction(); VConstructorFrame frame(*junction.method, method_frame /*caller*/, junction.self); @@ -1278,9 +1308,7 @@ void Request::put_element(Value& ncontex 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); + 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 }; frame.store_params(params, 2); @@ -1290,9 +1318,7 @@ void Request::put_element(Value& ncontex } else { // setter if(param_count!=1) - throw Exception(PARSER_RUNTIME, - 0, - "setter method must have ONE parameter (has %d parameters)", param_count); + throw Exception(PARSER_RUNTIME, 0, "setter method must have ONE parameter (has %d parameters)", param_count); frame.store_params(&value, 1); execute_method(frame); @@ -1300,7 +1326,7 @@ void Request::put_element(Value& ncontex } } -StringOrValue Request::process_getter(Junction& junction) { +Value& Request::process_getter(Junction& junction) { VMethodFrame frame(*junction.method, method_frame/*caller*/, junction.self); size_t param_count=frame.method_params_count(); @@ -1310,9 +1336,7 @@ StringOrValue Request::process_getter(Ju if(param_count){ if(param_count>1) - throw Exception(PARSER_RUNTIME, - 0, - "default getter method can't have more then 1 parameter (has %d parameters)", param_count); + throw Exception(PARSER_RUNTIME, 0, "default getter method can't have more then 1 parameter (has %d parameters)", param_count); param=new VString(*junction.auto_name); frame.store_params(¶m, 1); } // no need for else frame.empty_params() @@ -1322,9 +1346,7 @@ StringOrValue Request::process_getter(Ju } else { // getter if(param_count!=0) - throw Exception(PARSER_RUNTIME, - 0, - "getter method must have no parameters (has %d parameters)", param_count); + throw Exception(PARSER_RUNTIME, 0, "getter method must have no parameters (has %d parameters)", param_count); // no need for frame.empty_params() execute_method(frame); @@ -1333,58 +1355,41 @@ StringOrValue Request::process_getter(Ju return frame.result(); } -/** @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 - - using the fact it's either string_ or value_ result requested to speed up checkes -*/ - -StringOrValue Request::process(Value& input_value, bool intercept_string) { +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_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; + // for code in [] and () wcontext is set 0 + // using the fact in decision "which wrapper to use" + bool using_code_frame=junction->wcontext; if(using_code_frame) { - // almost plain wwrapper about 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 + // [] or () code wrapper WWrapper local(wcontext); wcontext=&local; @@ -1411,28 +1416,23 @@ 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? - write_pass_lang(process_getter(*junction)); - 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){ @@ -1443,7 +1443,7 @@ 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; @@ -1452,7 +1452,7 @@ void Request::process_write(Value& input RESTORE_CONTEXT write_pass_lang(local.result()); } else { - // plain wwrapper + // [] or () code wrapper WWrapper local(wcontext); wcontext=&local; @@ -1480,15 +1480,13 @@ void Request::execute_method(VMethodFram // initialize contexts rcontext=wcontext=method_frame=&aframe; - // execute! + // execute! recoursion_checked_execute(*aframe.method.parser_code); RESTORE_CONTEXT } -const String* Request::execute_method(Value& aself, - const Method& method, Value* optional_param, - bool do_return_string) { +const String* Request::execute_method(Value& aself, const Method& method, Value* optional_param, bool do_return_string) { VMethodFrame local_frame(method, method_frame/*caller*/, aself); @@ -1508,10 +1506,7 @@ const String* Request::execute_method(Va } Request::Execute_nonvirtual_method_result -Request::execute_nonvirtual_method(VStateless_class& aclass, - const String& method_name, - VString* optional_param, - bool do_return_string) { +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) @@ -1519,8 +1514,7 @@ Request::execute_nonvirtual_method(VStat return result; } -const String* Request::execute_virtual_method(Value& aself, - const String& method_name) { +const String* Request::execute_virtual_method(Value& aself, const String& method_name) { if(Value* value=aself.get_element(method_name)) if(Junction* junction=value->get_junction()) if(const Method *method=junction->method) @@ -1554,6 +1548,7 @@ const String* Request::get_method_filena 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: @@ -1572,6 +1567,17 @@ const String* Request::get_method_filena 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: @@ -1584,6 +1590,7 @@ const String* Request::get_method_filena origin=i.next().origin; break; } + default: break; } if(origin.file_no) return get_used_filename(origin.file_no);