|
|
| version 1.360, 2010/04/19 19:39:54 | version 1.413, 2020/12/31 12:08:35 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: executor part of request class. | Parser: executor part of request class. |
| Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2020 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| static const char * const IDENT_EXECUTE_C="$Date$"; | |
| #include "pa_opcode.h" | #include "pa_opcode.h" |
| #include "pa_array.h" | #include "pa_array.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| Line 23 static const char * const IDENT_EXECUTE_ | Line 21 static const char * const IDENT_EXECUTE_ |
| #include "pa_vimage.h" | #include "pa_vimage.h" |
| #include "pa_wwrapper.h" | #include "pa_wwrapper.h" |
| volatile const char * IDENT_EXECUTE_C="$Id$" IDENT_PA_OPCODE_H IDENT_PA_OPERATION_H IDENT_PA_VCODE_FRAME_H IDENT_PA_WWRAPPER_H; | |
| //#define DEBUG_EXECUTE | //#define DEBUG_EXECUTE |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| char *opcode_name[]={ | const char *opcode_name[]={ |
| // literals | // literals |
| "VALUE", "CURLY_CODE__STORE_PARAM", "EXPR_CODE__STORE_PARAM", | "VALUE", "CURLY_CODE__STORE_PARAM", "EXPR_CODE__STORE_PARAM", |
| "NESTED_CODE", | "NESTED_CODE", |
| // actions | // actions |
| "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", | "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", |
| #ifdef OPTIMIZE_BYTECODE_GET_CLASS | "VALUE__GET_CLASS", "VALUE__GET_BASE_CLASS", |
| "VALUE__GET_CLASS", | |
| #else | |
| "GET_CLASS", | |
| #endif | |
| "CONSTRUCT_VALUE", "CONSTRUCT_EXPR", "CURLY_CODE__CONSTRUCT", | "CONSTRUCT_VALUE", "CONSTRUCT_EXPR", "CURLY_CODE__CONSTRUCT", |
| "WRITE_VALUE", "WRITE_EXPR_RESULT", "STRING__WRITE", | "WRITE_VALUE", "WRITE_EXPR_RESULT", "STRING__WRITE", |
| #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT | #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT |
| Line 64 char *opcode_name[]={ | Line 60 char *opcode_name[]={ |
| "WITH_SELF__VALUE__GET_ELEMENT", | "WITH_SELF__VALUE__GET_ELEMENT", |
| "WITH_SELF__VALUE__GET_ELEMENT__WRITE", | "WITH_SELF__VALUE__GET_ELEMENT__WRITE", |
| #endif | #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", | "OBJECT_POOL", "STRING_POOL", |
| "PREPARE_TO_CONSTRUCT_OBJECT", | "PREPARE_TO_CONSTRUCT_OBJECT", |
| "CONSTRUCT_OBJECT", | "CONSTRUCT_OBJECT", |
| "CONSTRUCT_OBJECT__WRITE", | "CONSTRUCT_OBJECT__WRITE", |
| "PREPARE_TO_EXPRESSION", | |
| "CALL", "CALL__WRITE", | "CALL", "CALL__WRITE", |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | #ifdef OPTIMIZE_BYTECODE_CONSTRUCT |
| Line 80 char *opcode_name[]={ | Line 86 char *opcode_name[]={ |
| "WITH_SELF__VALUE__CONSTRUCT_VALUE", | "WITH_SELF__VALUE__CONSTRUCT_VALUE", |
| #endif | #endif |
| #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT__SPECIAL | |
| "GET_ELEMENT__SPECIAL", | |
| "GET_ELEMENT__SPECIAL__WRITE", | |
| #endif | |
| // expression ops: unary | // expression ops: unary |
| "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS", "DEXISTS", | "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS", "DEXISTS", |
| // expression ops: binary | // expression ops: binary |
| Line 99 const char* debug_value_to_cstr(Value& v | Line 109 const char* debug_value_to_cstr(Value& v |
| return string->cstr(); | return string->cstr(); |
| else | else |
| if(value.is_bool()) | if(value.is_bool()) |
| return value.as_bool()?"<true>":"<false>"; | return value.as_bool() ? "<true>" : "<false>"; |
| else | else |
| return "<value>"; | return "<value>"; |
| } | } |
| Line 128 void debug_dump(SAPI_Info& sapi_info, in | Line 138 void debug_dump(SAPI_Info& sapi_info, in |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT | #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT |
| || opcode==OP::OP_GET_OBJECT_ELEMENT | || opcode==OP::OP_GET_OBJECT_ELEMENT |
| || opcode==OP::OP_GET_OBJECT_ELEMENT__WRITE | || opcode==OP::OP_GET_OBJECT_ELEMENT__WRITE |
| #ifdef FEATURE_GET_ELEMENT4CALL | |
| || opcode==OP::OP_GET_OBJECT_ELEMENT4CALL | |
| #endif | |
| #endif | #endif |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT | #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT |
| || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT | || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT |
| || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE | || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE |
| #ifdef FEATURE_GET_ELEMENT4CALL | |
| || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT4CALL | |
| #endif | |
| #endif | #endif |
| ){ | ){ |
| i.next(); // skip origin | i.next(); // skip origin |
| Value& value1=*i.next().value; | Value& value1=*i.next().value; |
| i.next(); // skip origin | i.next(); // skip origin |
| Value& value2=*i.next().value; | Value& value2=*i.next().value; |
| debug_printf(sapi_info, | debug_printf(sapi_info, "%*s%s \"%s\" \"%s\"", level*4, "", opcode_name[opcode], debug_value_to_cstr(value1), debug_value_to_cstr(value2)); |
| "%*s%s" | |
| " \"%s\" \"%s\"", | |
| level*4, "", opcode_name[opcode], | |
| debug_value_to_cstr(value1), debug_value_to_cstr(value2)); | |
| continue; | continue; |
| } | } |
| #endif | #endif |
| Line 167 void debug_dump(SAPI_Info& sapi_info, in | Line 179 void debug_dump(SAPI_Info& sapi_info, in |
| if( | if( |
| opcode==OP::OP_VALUE | opcode==OP::OP_VALUE |
| || opcode==OP::OP_STRING__WRITE | || opcode==OP::OP_STRING__WRITE |
| #ifdef OPTIMIZE_BYTECODE_GET_CLASS | |
| || opcode==OP::OP_VALUE__GET_CLASS | || opcode==OP::OP_VALUE__GET_CLASS |
| #endif | || opcode==OP::OP_VALUE__GET_BASE_CLASS |
| #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT | #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT |
| || opcode==OP::OP_VALUE__GET_ELEMENT | || opcode==OP::OP_VALUE__GET_ELEMENT |
| || opcode==OP::OP_VALUE__GET_ELEMENT__WRITE | || opcode==OP::OP_VALUE__GET_ELEMENT__WRITE |
| Line 231 void debug_dump(SAPI_Info& sapi_info, in | Line 242 void debug_dump(SAPI_Info& sapi_info, in |
| #define DEBUG_PRINT_OPS(local_ops) | #define DEBUG_PRINT_OPS(local_ops) |
| #endif | #endif |
| // Request | // Request |
| void Request::execute(ArrayOperation& ops) { | void Request::execute(ArrayOperation& ops) { |
| Line 263 void Request::execute(ArrayOperation& op | Line 273 void Request::execute(ArrayOperation& op |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| #ifdef OPTIMIZE_BYTECODE_GET_CLASS | |
| case OP::OP_VALUE__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; | debug_origin=i.next().origin; |
| Value& value=*i.next().value; | const String& name=*i.next().value->get_string(); debug_name=&name; |
| const String& name=*value.get_string(); debug_name=&name; | |
| DEBUG_PRINT_STRING(name) | DEBUG_PRINT_STRING(name) |
| Value* class_value=get_class(name); | stack.push(get_class_ref(name)); |
| if(!class_value) | |
| throw Exception(PARSER_RUNTIME, | |
| &name, | |
| "class is undefined"); | |
| stack.push(*class_value); | |
| break; | break; |
| } | } |
| #else | |
| case OP::OP_GET_CLASS: | case OP::OP_VALUE__GET_BASE_CLASS: |
| { | { |
| // maybe they do ^class:method[] call, remember the fact | // ^class:method[] call |
| wcontext->set_somebody_entered_some_class(); | |
| debug_origin=i.next().origin; | |
| const String& name=*i.next().value->get_string(); debug_name=&name; | |
| const String& name=stack.pop().string(); debug_name=&name; | DEBUG_PRINT_STRING(name) |
| Value* value=get_class(name); | |
| if(!value) | |
| throw Exception(PARSER_RUNTIME, | |
| &name, | |
| "class is undefined"); | |
| stack.push(*value); | stack.push(*new VBaseClassWrapper(get_class_ref(name), 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; | break; |
| } | } |
| #endif | #endif |
| // OP_WITH | // OP_WITH |
| case OP::OP_WITH_ROOT: | case OP::OP_WITH_ROOT: |
| { | { |
| Line 321 void Request::execute(ArrayOperation& op | Line 347 void Request::execute(ArrayOperation& op |
| case OP::OP_WITH_WRITE: | case OP::OP_WITH_WRITE: |
| { | { |
| if(wcontext==method_frame) | if(wcontext==method_frame) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]"); |
| 0, | |
| "$.name outside of $name[...]"); | |
| stack.push(*wcontext); | stack.push(*wcontext); |
| break; | break; |
| Line 332 void Request::execute(ArrayOperation& op | Line 356 void Request::execute(ArrayOperation& op |
| // OTHER ACTIONS BUT WITHs | // OTHER ACTIONS BUT WITHs |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | #ifdef OPTIMIZE_BYTECODE_CONSTRUCT |
| #define DO_CONSTRUCT(context, vvalue) { \ | #define DO_CONSTRUCT(context, vvalue) { \ |
| debug_origin=i.next().origin; \ | debug_origin=i.next().origin; \ |
| const String& name=*i.next().value->get_string(); debug_name=&name; \ | const String& name=*i.next().value->get_string(); debug_name=&name; \ |
| DEBUG_PRINT_STRING(name) \ | DEBUG_PRINT_STRING(name) \ |
| Value& value=stack.pop().value(); \ | Value& value=stack.pop().value(); \ |
| put_element( context, name, vvalue ); \ | put_element( context, name, vvalue ); \ |
| break; \ | goto check_skip; \ |
| } | } |
| #define DO_CONSTRUCT_VALUE(context) DO_CONSTRUCT(context, &value) | #define DO_CONSTRUCT_VALUE(context) DO_CONSTRUCT(context, &value) |
| #define DO_CONSTRUCT_EXPR(context) { \ | #define DO_CONSTRUCT_EXPR(context) { \ |
| wcontext->set_in_expression(false); \ | |
| DO_CONSTRUCT(context, &value.as_expr_result()) \ | DO_CONSTRUCT(context, &value.as_expr_result()) \ |
| } | } |
| Line 382 void Request::execute(ArrayOperation& op | Line 405 void Request::execute(ArrayOperation& op |
| Value& ncontext=stack.pop().value(); | Value& ncontext=stack.pop().value(); |
| #endif | #endif |
| put_element(ncontext, name, &value); | put_element(ncontext, name, &value); |
| goto check_skip; | |
| break; | |
| } | } |
| case OP::OP_CONSTRUCT_EXPR: | case OP::OP_CONSTRUCT_EXPR: |
| { | { |
| // see OP_PREPARE_TO_EXPRESSION | |
| wcontext->set_in_expression(false); | |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | #ifdef OPTIMIZE_BYTECODE_CONSTRUCT |
| const String& name=stack.pop().string(); debug_name=&name; | const String& name=stack.pop().string(); debug_name=&name; |
| Value& ncontext=stack.pop().value(); | Value& ncontext=stack.pop().value(); |
| Line 402 void Request::execute(ArrayOperation& op | Line 421 void Request::execute(ArrayOperation& op |
| #endif | #endif |
| Value& value=expr.as_expr_result(); | Value& value=expr.as_expr_result(); |
| put_element(ncontext, name, &value); | put_element(ncontext, name, &value); |
| break; | goto check_skip; |
| } | } |
| case OP::OP_CURLY_CODE__CONSTRUCT: | case OP::OP_CURLY_CODE__CONSTRUCT: |
| Line 422 void Request::execute(ArrayOperation& op | Line 441 void Request::execute(ArrayOperation& op |
| const String& name=stack.pop().string(); debug_name=&name; | const String& name=stack.pop().string(); debug_name=&name; |
| Value& ncontext=stack.pop().value(); | 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; | break; |
| } | } |
| case OP::OP_NESTED_CODE: | case OP::OP_NESTED_CODE: |
| Line 442 void Request::execute(ArrayOperation& op | Line 458 void Request::execute(ArrayOperation& op |
| case OP::OP_WRITE_VALUE: | case OP::OP_WRITE_VALUE: |
| { | { |
| Value& value=stack.pop().value(); | Value& value=stack.pop().value(); |
| write_assign_lang(value); | write(value); |
| break; | break; |
| } | } |
| case OP::OP_WRITE_EXPR_RESULT: | case OP::OP_WRITE_EXPR_RESULT: |
| { | { |
| // see OP_PREPARE_TO_EXPRESSION | |
| wcontext->set_in_expression(false); | |
| Value& value=stack.pop().value(); | Value& value=stack.pop().value(); |
| wcontext->write(value.as_expr_result()); | wcontext->write(value.as_expr_result()); |
| break; | break; |
| Line 463 void Request::execute(ArrayOperation& op | Line 476 void Request::execute(ArrayOperation& op |
| DEBUG_PRINT_STRING(string_value) | DEBUG_PRINT_STRING(string_value) |
| write_no_lang(string_value); | write(string_value); |
| break; | break; |
| } | } |
| Line 482 void Request::execute(ArrayOperation& op | Line 495 void Request::execute(ArrayOperation& op |
| } | } |
| Value& value=get_element(*rcontext, name); | Value& value=get_element(*rcontext, name); |
| stack.push(value); | stack.push(value); |
| break; | goto check_skip; |
| } | } |
| #else | #else |
| case OP::OP_GET_ELEMENT_OR_OPERATOR: | case OP::OP_GET_ELEMENT_OR_OPERATOR: |
| Line 496 void Request::execute(ArrayOperation& op | Line 509 void Request::execute(ArrayOperation& op |
| } | } |
| Value& value=get_element(ncontext, name); | Value& value=get_element(ncontext, name); |
| stack.push(value); | stack.push(value); |
| break; | goto check_skip; |
| } | } |
| #endif | #endif |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT | #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); | #define DO_GET_OBJECT_ELEMENT(code) {\ |
| debug_origin=i.next().origin; \ | |
| debug_origin=i.next().origin; | const String& context_name=*i.next().value->get_string(); debug_name=&context_name; \ |
| const String& field_name=*i.next().value->get_string(); debug_name=&field_name; | DEBUG_PRINT_STRING(context_name) \ |
| Value& object=get_element(*rcontext, context_name); \ | |
| DEBUG_PRINT_STRING(field_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); | Value& value=get_element(object, field_name); |
| stack.push(value); | |
| if(opcode==OP::OP_GET_OBJECT_ELEMENT){ | }) |
| stack.push(value); | case OP::OP_GET_OBJECT_ELEMENT__WRITE: DO_GET_OBJECT_ELEMENT({ |
| } else { | Value& value=get_element(object, field_name); |
| write_assign_lang(value); | write(value); |
| } | }) |
| break; | #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 | #endif |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT | #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; \ | |
| goto check_skip; \ | |
| } | |
| case OP::OP_GET_OBJECT_VAR_ELEMENT: DO_GET_OBJECT_VAR_ELEMENT({ | |
| Value& value=get_element(object, *field); | Value& value=get_element(object, *field); |
| stack.push(value); | |
| if(opcode==OP::OP_GET_OBJECT_VAR_ELEMENT){ | }) |
| stack.push(value); | case OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE: DO_GET_OBJECT_VAR_ELEMENT({ |
| } else { | Value& value=get_element(object, *field); |
| write_assign_lang(value); | write(value); |
| } | }) |
| break; | #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 | #endif |
| case OP::OP_GET_ELEMENT: | case OP::OP_GET_ELEMENT: |
| Line 562 void Request::execute(ArrayOperation& op | Line 580 void Request::execute(ArrayOperation& op |
| Value& ncontext=stack.pop().value(); | Value& ncontext=stack.pop().value(); |
| Value& value=get_element(ncontext, name); | Value& value=get_element(ncontext, name); |
| stack.push(value); | 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: | case OP::OP_GET_ELEMENT__WRITE: |
| { | { |
| const String& name=stack.pop().string(); debug_name=&name; | const String& name=stack.pop().string(); debug_name=&name; |
| Value& ncontext=stack.pop().value(); | Value& ncontext=stack.pop().value(); |
| Value& value=get_element(ncontext, name); | Value& value=get_element(ncontext, name); |
| write_assign_lang(value); | write(value); |
| break; | goto check_skip; |
| } | } |
| #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT | #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT |
| Line 584 void Request::execute(ArrayOperation& op | Line 613 void Request::execute(ArrayOperation& op |
| Value& value=get_element(*rcontext, name); | Value& value=get_element(*rcontext, name); |
| stack.push(value); | stack.push(value); |
| break; | goto check_skip; |
| } | } |
| case OP::OP_VALUE__GET_ELEMENT__WRITE: | case OP::OP_VALUE__GET_ELEMENT__WRITE: |
| Line 595 void Request::execute(ArrayOperation& op | Line 624 void Request::execute(ArrayOperation& op |
| DEBUG_PRINT_STRING(name) | DEBUG_PRINT_STRING(name) |
| Value& value=get_element(*rcontext, name); | Value& value=get_element(*rcontext, name); |
| write_assign_lang(value); | write(value); |
| break; | goto check_skip; |
| } | } |
| case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT: | case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT: |
| Line 608 void Request::execute(ArrayOperation& op | Line 637 void Request::execute(ArrayOperation& op |
| Value& value=get_element(*method_frame, name); | Value& value=get_element(*method_frame, name); |
| stack.push(value); | stack.push(value); |
| break; | goto check_skip; |
| } | } |
| #endif | #endif |
| Line 626 void Request::execute(ArrayOperation& op | Line 655 void Request::execute(ArrayOperation& op |
| if(opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT){ | if(opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT){ |
| stack.push(value); | stack.push(value); |
| } else { | } else { |
| write_assign_lang(value); | write(value); |
| } | } |
| break; | goto check_skip; |
| } | } |
| #endif | #endif |
| case OP::OP_OBJECT_POOL: | case OP::OP_OBJECT_POOL: |
| { | { |
| debug_name=0; | |
| ArrayOperation& local_ops=*i.next().ops; | ArrayOperation& local_ops=*i.next().ops; |
| WContext *saved_wcontext=wcontext; | WContext *saved_wcontext=wcontext; |
| String::Language saved_lang=flang; | |
| flang=String::L_PASS_APPENDED; | |
| #ifdef OPTIMIZE_SINGLE_STRING_WRITE | #ifdef OPTIMIZE_SINGLE_STRING_WRITE |
| WObjectPoolWrapper local(wcontext); | WObjectPoolWrapper local(wcontext); |
| #else | #else |
| Line 648 void Request::execute(ArrayOperation& op | Line 677 void Request::execute(ArrayOperation& op |
| execute(local_ops); | execute(local_ops); |
| stack.push(wcontext->result().as_value()); | stack.push((Value&)wcontext->result()); |
| flang=saved_lang; | |
| wcontext=saved_wcontext; | wcontext=saved_wcontext; |
| break; | goto check_skip; |
| } | } |
| case OP::OP_STRING_POOL: | case OP::OP_STRING_POOL: |
| Line 664 void Request::execute(ArrayOperation& op | Line 693 void Request::execute(ArrayOperation& op |
| execute(local_ops); | execute(local_ops); |
| Value* value; | |
| // from "$a $b" part of expression taking only string value, | // from "$a $b" part of expression taking only string value, |
| // ignoring any other content of wcontext | // ignoring any other content of wcontext |
| if(const String* string=wcontext->get_string()) | const String* string=wcontext->get_string(); |
| value=new VString(*string); | Value* value=string ? new VString(*string) : new VString(); |
| else | |
| value=VVoid::get(); | |
| stack.push(*value); | stack.push(*value); |
| wcontext=saved_wcontext; | wcontext=saved_wcontext; |
| break; | goto check_skip; |
| } | } |
| // CALL | // CALL |
| Line 708 void Request::execute(ArrayOperation& op | Line 734 void Request::execute(ArrayOperation& op |
| break; | break; |
| } | } |
| case OP::OP_PREPARE_TO_EXPRESSION: | #define METHOD_PARAMS_ACTION(action) \ |
| { | if(local_ops){ \ |
| wcontext->set_in_expression(true); | size_t first = stack.top_index(); \ |
| break; | execute(*local_ops); \ |
| } | if(!fskip){ \ |
| frame.store_params((Value**)stack.ptr(first), stack.top_index()-first); \ | |
| #define METHOD_FRAME_ACTION(action) \ | action; \ |
| if(local_ops){ \ | } \ |
| size_t first = stack.top_index(); \ | stack.set_top_index(first); \ |
| execute(*local_ops); \ | } else { \ |
| frame.store_params((Value**)stack.ptr(first), stack.top_index()-first); \ | frame.empty_params(); \ |
| action; \ | action; \ |
| stack.set_top_index(first); \ | |
| } else { \ | |
| frame.empty_params(); \ | |
| action; \ | |
| } | } |
| case OP::OP_CALL: | case OP::OP_CALL: |
| Line 738 void Request::execute(ArrayOperation& op | Line 760 void Request::execute(ArrayOperation& op |
| Junction* junction=value.get_junction(); | Junction* junction=value.get_junction(); |
| if(!junction) { | if(!junction) { |
| if(value.is("void")) | if(value.is("void")) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "undefined method"); |
| 0, | |
| "undefined method"); | |
| else | else |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "is '%s', not a method or junction, can not call it", value.type()); |
| 0, | |
| "is '%s', not a method or junction, can not call it", | |
| value.type()); | |
| } | } |
| VMethodFrame frame(*junction, method_frame); | Value *result; |
| METHOD_FRAME_ACTION(op_call(frame, false)); | { |
| stack.push(frame.result().as_value()); | 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(*result); | |
| DEBUG_PRINT_STR("<-returned") | DEBUG_PRINT_STR("<-returned") |
| goto check_skip; | |
| if(get_skip()) | |
| return; | |
| if(get_interrupted()) { | |
| set_interrupted(false); | |
| throw Exception("parser.interrupted", | |
| 0, | |
| "execution stopped"); | |
| } | |
| break; | |
| } | } |
| case OP::OP_CALL__WRITE: | case OP::OP_CALL__WRITE: |
| Line 777 void Request::execute(ArrayOperation& op | Line 791 void Request::execute(ArrayOperation& op |
| Junction* junction=value.get_junction(); | Junction* junction=value.get_junction(); |
| if(!junction) { | if(!junction) { |
| if(value.is("void")) | if(value.is("void")) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "undefined method"); |
| 0, | |
| "undefined method"); | |
| else | else |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "is '%s', not a method or junction, can not call it", value.type()); |
| 0, | |
| "is '%s', not a method or junction, can not call it", | |
| value.type()); | |
| } | } |
| #ifdef OPTIMIZE_CALL | |
| const Method& method=*junction->method; | const Method& method=*junction->method; |
| #ifdef OPTIMIZE_CALL | |
| if(method.call_optimization==Method::CO_WITHOUT_FRAME){ | if(method.call_optimization==Method::CO_WITHOUT_FRAME){ |
| if(local_ops){ // store param code goes here | if(local_ops){ // store param code goes here |
| size_t first = stack.top_index(); | size_t first = stack.top_index(); |
| execute(*local_ops); | execute(*local_ops); |
| MethodParams method_params; | if(!fskip){ |
| method_params.store_params((Value**)stack.ptr(first), stack.top_index()-first); | MethodParams method_params; |
| method.check_actual_numbered_params(junction->self, &method_params); | method_params.store_params((Value**)stack.ptr(first), stack.top_index()-first); |
| method.native_code(*this, method_params); // execute it | method.check_actual_numbered_params(junction->self, &method_params); |
| method.native_code(*this, method_params); // execute it | |
| } | |
| stack.set_top_index(first); | stack.set_top_index(first); |
| } else { | } else { |
| Line 806 void Request::execute(ArrayOperation& op | Line 817 void Request::execute(ArrayOperation& op |
| method.native_code(*this, method_params); // execute it | method.native_code(*this, method_params); // execute it |
| } | } |
| } else if(method.call_optimization==Method::CO_WITHOUT_WCONTEXT){ | } else if(method.call_optimization==Method::CO_WITHOUT_WCONTEXT){ |
| VMethodFrame frame(*junction, method_frame); | METHOD_FRAME_ACTION(method, method_frame, junction->self, { |
| METHOD_FRAME_ACTION(op_call_write(frame)); | METHOD_PARAMS_ACTION(call_write(frame)) |
| }); | |
| } else | } else |
| #endif // OPTIMIZE_CALL | #endif // OPTIMIZE_CALL |
| { | { |
| VMethodFrame frame(*junction, method_frame); | METHOD_FRAME_ACTION(method, method_frame, junction->self, { |
| METHOD_FRAME_ACTION(op_call(frame, false)); | METHOD_PARAMS_ACTION(call(frame)); |
| write_pass_lang(frame.result()); | write(frame.result()); |
| }); | |
| } | } |
| DEBUG_PRINT_STR("<-returned") | DEBUG_PRINT_STR("<-returned") |
| goto check_skip; | |
| if(get_skip()) | |
| return; | |
| if(get_interrupted()) { | |
| set_interrupted(false); | |
| throw Exception("parser.interrupted", | |
| 0, | |
| "execution stopped"); | |
| } | |
| break; | |
| } | } |
| case OP::OP_CONSTRUCT_OBJECT: | case OP::OP_CONSTRUCT_OBJECT: |
| Line 838 void Request::execute(ArrayOperation& op | Line 842 void Request::execute(ArrayOperation& op |
| DEBUG_PRINT_STRING(class_name) | DEBUG_PRINT_STRING(class_name) |
| Value* class_value=get_class(class_name); | VStateless_class& vclass=get_class_ref(class_name); |
| if(!class_value) | |
| throw Exception(PARSER_RUNTIME, | |
| &class_name, | |
| "class is undefined"); | |
| debug_origin=i.next().origin; | debug_origin=i.next().origin; |
| Value& vconstructor_name=*i.next().value; | Value& vconstructor_name=*i.next().value; |
| Line 850 void Request::execute(ArrayOperation& op | Line 850 void Request::execute(ArrayOperation& op |
| DEBUG_PRINT_STRING(constructor_name) | DEBUG_PRINT_STRING(constructor_name) |
| Value& constructor_value=get_element(*class_value, constructor_name); | Junction* constructor_junction=get_element(vclass, constructor_name).get_junction(); |
| if(!constructor_junction) | |
| Junction* junction=constructor_value.get_junction(); | throw Exception(PARSER_RUNTIME, &constructor_name, "constructor must be declared in class '%s'", vclass.type()); |
| if(!junction) | |
| throw Exception(PARSER_RUNTIME, | |
| &constructor_name, | |
| "constructor must be declared in class '%s'", | |
| class_value->get_class()->name_cstr()); | |
| ArrayOperation* local_ops=i.next().ops; | ArrayOperation* local_ops=i.next().ops; |
| DEBUG_PRINT_OPS(local_ops) | DEBUG_PRINT_OPS(local_ops) |
| DEBUG_PRINT_STR("->\n") | DEBUG_PRINT_STR("->\n") |
| Junction casted=Junction(*class_value, junction->method); | Value *result; |
| VConstructorFrame frame(casted, method_frame); | { |
| 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 | |
| }); | |
| } | |
| METHOD_FRAME_ACTION(op_call(frame, true /* constructing */)); | |
| if(opcode==OP::OP_CONSTRUCT_OBJECT) | if(opcode==OP::OP_CONSTRUCT_OBJECT) |
| stack.push(frame.result().as_value()); | stack.push(*result); |
| else | else |
| write_pass_lang(frame.result()); | write(*result); |
| DEBUG_PRINT_STR("<-returned") | DEBUG_PRINT_STR("<-returned") |
| break; | goto check_skip; |
| } | } |
| // expression ops: unary | // expression ops: unary |
| Line 916 void Request::execute(ArrayOperation& op | Line 918 void Request::execute(ArrayOperation& op |
| case OP::OP_FEXISTS: | case OP::OP_FEXISTS: |
| { | { |
| Value& a=stack.pop().value(); | Value& a=stack.pop().value(); |
| Value& value=VBool::get(file_exist(absolute(a.as_string()))); | Value& value=VBool::get(file_exist(full_disk_path(a.as_string()))); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP::OP_DEXISTS: | case OP::OP_DEXISTS: |
| { | { |
| Value& a=stack.pop().value(); | Value& a=stack.pop().value(); |
| Value& value=VBool::get(dir_exists(absolute(a.as_string()))); | Value& value=VBool::get(dir_exists(full_disk_path(a.as_string()))); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| Line 959 void Request::execute(ArrayOperation& op | Line 961 void Request::execute(ArrayOperation& op |
| if(b_double == 0) { | if(b_double == 0) { |
| //const String* problem_source=b.as_string(); | //const String* problem_source=b.as_string(); |
| throw Exception("number.zerodivision", | throw Exception("number.zerodivision", 0, "Division by zero"); |
| 0, //problem_source, | |
| "Division by zero"); | |
| } | } |
| Value& value=*new VDouble(a_double / b_double); | Value& value=*new VDouble(a_double / b_double); |
| Line 977 void Request::execute(ArrayOperation& op | Line 977 void Request::execute(ArrayOperation& op |
| if(b_double == 0) { | if(b_double == 0) { |
| //const String* problem_source=b.as_string(); | //const String* problem_source=b.as_string(); |
| throw Exception("number.zerodivision", | throw Exception("number.zerodivision", 0, "Modulus by zero"); |
| 0, //problem_source, | |
| "Modulus by zero"); | |
| } | } |
| Value& value=*new VDouble(fmod(a_double, b_double)); | Value& value=*new VDouble(fmod(a_double, b_double)); |
| Line 995 void Request::execute(ArrayOperation& op | Line 993 void Request::execute(ArrayOperation& op |
| if(b_int == 0) { | if(b_int == 0) { |
| //const String* problem_source=b.as_string(); | //const String* problem_source=b.as_string(); |
| throw Exception("number.zerodivision", | throw Exception("number.zerodivision", 0, "Division by zero"); |
| 0, //problem_source, | |
| "Division by zero"); | |
| } | } |
| Value& value=*new VInt(a_int / b_int); | Value& value=*new VInt(a_int / b_int); |
| Line 1061 void Request::execute(ArrayOperation& op | Line 1057 void Request::execute(ArrayOperation& op |
| result=false; | result=false; |
| Value& value=VBool::get(result); | Value& value=VBool::get(result); |
| stack.push(value); | stack.push(value); |
| break; | goto check_skip; |
| } | } |
| case OP::OP_LOG_OR: | case OP::OP_LOG_OR: |
| { | { |
| Line 1076 void Request::execute(ArrayOperation& op | Line 1072 void Request::execute(ArrayOperation& op |
| } | } |
| Value& value=VBool::get(result); | Value& value=VBool::get(result); |
| stack.push(value); | stack.push(value); |
| break; | goto check_skip; |
| } | } |
| case OP::OP_LOG_XOR: | case OP::OP_LOG_XOR: |
| { | { |
| Line 1182 void Request::execute(ArrayOperation& op | Line 1178 void Request::execute(ArrayOperation& op |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| default: | default: |
| throw Exception(0, | { |
| 0, | throw Exception(0, 0, "invalid opcode %d", opcode); |
| "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&) { | } catch(const Exception&) { |
| Line 1198 void Request::execute(ArrayOperation& op | Line 1204 void Request::execute(ArrayOperation& op |
| } | } |
| #define SAVE_CONTEXT \ | #define SAVE_CONTEXT \ |
| VMethodFrame *saved_method_frame=method_frame; \ | VMethodFrame *saved_method_frame=method_frame; \ |
| Value* saved_rcontext=rcontext; \ | Value* saved_rcontext=rcontext; \ |
| WContext *saved_wcontext=wcontext; | WContext *saved_wcontext=wcontext; |
| #define RESTORE_CONTEXT \ | #define RESTORE_CONTEXT \ |
| wcontext=saved_wcontext; \ | wcontext=saved_wcontext; \ |
| rcontext=saved_rcontext; \ | rcontext=saved_rcontext; \ |
| method_frame=saved_method_frame; | method_frame=saved_method_frame; |
| void Request::op_call(VMethodFrame& frame, bool constructing){ | Value& Request::construct(VStateless_class &called_class, const Method &method){ |
| const Junction &junction=frame.junction; | |
| VStateless_class& called_class=*junction.self.get_class(); | |
| Value* new_self; | |
| if(constructing) { | |
| if(junction.method->call_type!=Method::CT_STATIC) { | |
| // this is a constructor call | |
| if(new_self=called_class.create_new_value(fpool)) { | |
| // 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); | |
| } 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; | if(method.call_type!=Method::CT_STATIC) { |
| Method::Call_type call_type=&called_class==new_self ? Method::CT_STATIC : Method::CT_DYNAMIC; | // this is a constructor call |
| if(Value* result=called_class.create_new_value(fpool)) { | |
| if(method.call_type==Method::CT_ANY || method.call_type==call_type) { // allowed call type? | // some stateless_class creatable derivates |
| if(method.native_code) { // native code? | return *result; |
| method.check_actual_numbered_params(junction.self, frame.numbered_params()); | } else |
| method.native_code(*this, *frame.numbered_params()); // execute it | throw Exception(PARSER_RUNTIME, method.name, |
| } else // parser code, execute it | "is not a constructor, system class '%s' can be constructed only implicitly", called_class.type()); |
| recoursion_checked_execute(*method.parser_code); | |
| } else | } else |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, method.name, "method of '%s' is static and can not be used as constructor", called_class.type()); |
| 0, | |
| "is not allowed to be called %s", | |
| call_type==Method::CT_STATIC?"statically":"dynamically"); | |
| RESTORE_CONTEXT | |
| //return &frame; | |
| } | |
| 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); | |
| } 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) { | 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); | 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) { | void Request::put_element(Value& ncontext, const String& name, Value* value) { |
| // put_element can return property-setting-junction | // 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(); |
| // process it | int param_count=junction.method->params_count; |
| VMethodFrame frame(vjunction->junction(), method_frame/*caller*/); | |
| if(junction.auto_name) { | |
| size_t param_count=frame.method_params_count(); | // 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) | if(param_count!=1) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "setter method must have ONE parameter (has %d parameters)", param_count); |
| 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 | CONSTRUCTOR_FRAME_ACTION(*junction.method, method_frame /*caller*/, junction.self, { |
| frame.store_params(&value, 1); | |
| call(frame); | |
| }); | |
| } | |
| } | |
| } | |
| rcontext=wcontext=&frame; | Value& Request::process_getter(Junction& junction) { |
| method_frame=&frame; | int param_count=junction.method->params_count; |
| // prevent non-string writes for better error reporting [setters are not expected to return anything] | if(junction.auto_name){ |
| wcontext->write(*method_frame); | // 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){ | |
| param=new VString(*junction.auto_name); | |
| frame.store_params(¶m, 1); | |
| } // no need for else frame.empty_params() | |
| recoursion_checked_execute(*frame.junction.method->parser_code); // parser code, execute it | Temp_disable_default_getter temp(junction.self); |
| // we don't need it StringOrValue result=wcontext->result(); | 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 | |
| } | |
| } | } |
| /** @param intercept_string | Value& Request::process(Value& input_value) { |
| - 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) { | |
| Junction* junction=input_value.get_junction(); | Junction* junction=input_value.get_junction(); |
| if(junction) { | if(junction) { |
| if(junction->is_getter) { // is it a getter-junction? | if(junction->is_getter) { // is it a getter-junction? |
| VMethodFrame frame(*junction, method_frame/*caller*/); | return process(process_getter(*junction)); |
| Value *param; | |
| if(size_t param_count=frame.method_params_count()){ | |
| if(junction->auto_name){ // default getter | |
| if(param_count==1){ | |
| 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 | |
| return frame.result(); | |
| } | } |
| if(junction->code) { // is it a code-junction? | if(junction->code) { // is it a code-junction? |
| // process it | // process it |
| StringOrValue result; | ValueRef result; |
| DEBUG_PRINT_STR("ja->\n") | DEBUG_PRINT_STR("ja->\n") |
| if(!junction->method_frame) | if(!junction->method_frame) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "junction used outside of context"); |
| 0, | |
| "junction used outside of context"); | |
| SAVE_CONTEXT | SAVE_CONTEXT |
| method_frame=junction->method_frame; | method_frame=junction->method_frame; |
| rcontext=junction->rcontext; | rcontext=junction->rcontext; |
| // for expression method params | // for code in [] and () wcontext is set 0 |
| // wcontext is set 0 | // using the fact in decision "which wrapper to use" |
| // using the fact in decision "which wwrapper to use" | if(junction->wcontext) { |
| bool using_code_frame=intercept_string && junction->wcontext; | // {} code wrapper |
| if(using_code_frame) { | |
| // almost plain wwrapper about junction wcontext | |
| VCodeFrame local(*junction->wcontext); | VCodeFrame local(*junction->wcontext); |
| wcontext=&local; | wcontext=&local; |
| // execute it | // execute it |
| recoursion_checked_execute(*junction->code); | recoursion_checked_execute(*junction->code); |
| // CodeFrame soul: | |
| result=wcontext->result(); | result=wcontext->result(); |
| } else { | } else { |
| // plain wwrapper | // [] or () code wrapper |
| WWrapper local(wcontext); | WWrapper local(wcontext); |
| wcontext=&local; | wcontext=&local; |
| Line 1441 StringOrValue Request::process(Value& in | Line 1364 StringOrValue Request::process(Value& in |
| void Request::process_write(Value& input_value) { | void Request::process_write(Value& input_value) { |
| Junction* junction=input_value.get_junction(); | Junction* junction=input_value.get_junction(); |
| if(junction) { | if(junction) { |
| if(junction->is_getter) { // is it a getter-junction? | // no getter-junction check as process_write is called |
| VMethodFrame frame(*junction, method_frame/*caller*/); | // to process method arguments, not from get_element |
| Value *param; | |
| if(size_t param_count=frame.method_params_count()){ | |
| if(junction->auto_name){ // default getter | |
| if(param_count==1){ | |
| 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; | |
| } | |
| if(junction->code) { // is it a code-junction? | if(junction->code) { // is it a code-junction? |
| // process it | // process it |
| DEBUG_PRINT_STR("ja->\n") | DEBUG_PRINT_STR("ja->\n") |
| if(!junction->method_frame) | if(!junction->method_frame) |
| throw Exception(PARSER_RUNTIME, | throw Exception(PARSER_RUNTIME, 0, "junction used outside of context"); |
| 0, | |
| "junction used outside of context"); | |
| SAVE_CONTEXT | SAVE_CONTEXT |
| method_frame=junction->method_frame; | method_frame=junction->method_frame; |
| rcontext=junction->rcontext; | rcontext=junction->rcontext; |
| // for expression method params | // for code in [] and () wcontext is set 0 |
| // wcontext is set 0 | |
| // using the fact in decision "which wwrapper to use" | // using the fact in decision "which wwrapper to use" |
| #ifdef OPTIMIZE_CALL | #ifdef OPTIMIZE_CALL |
| if(wcontext==junction->wcontext){ | if(wcontext==junction->wcontext){ |
| Line 1502 void Request::process_write(Value& input | Line 1391 void Request::process_write(Value& input |
| } else | } else |
| #endif | #endif |
| if(junction->wcontext) { | if(junction->wcontext) { |
| // almost plain wwrapper about junction wcontext | // {} code wrapper |
| VCodeFrame local(*junction->wcontext); | VCodeFrame local(*junction->wcontext); |
| wcontext=&local; | wcontext=&local; |
| // execute it | // execute it |
| recoursion_checked_execute(*junction->code); | recoursion_checked_execute(*junction->code); |
| RESTORE_CONTEXT | RESTORE_CONTEXT |
| write_pass_lang(local.result()); | write(local.result()); |
| } else { | } else { |
| // plain wwrapper | // [] or () code wrapper |
| WWrapper local(wcontext); | WWrapper local(wcontext); |
| wcontext=&local; | wcontext=&local; |
| // execute it | // execute it |
| recoursion_checked_execute(*junction->code); | recoursion_checked_execute(*junction->code); |
| RESTORE_CONTEXT | RESTORE_CONTEXT |
| write_pass_lang(local.result()); | write(local.result()); |
| } | } |
| DEBUG_PRINT_STR("<-ja returned") | DEBUG_PRINT_STR("<-ja returned") |
| Line 1530 void Request::process_write(Value& input | Line 1419 void Request::process_write(Value& input |
| // just return it as we do for usual objects | // 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) { | const String* Request::execute_method(VStateless_class& aclass, const String& method_name, Value* optional_param) { |
| SAVE_CONTEXT | if(const Method *method=aclass.get_method(method_name)){ |
| METHOD_FRAME_ACTION(*method, method_frame/*caller*/, aclass, { | |
| // 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(Value& aself, | if(optional_param && method->params_count>0) { |
| const Method& method, Value* optional_param, | frame.store_params(&optional_param, 1); |
| bool do_return_string) { | } else { |
| frame.empty_params(); | |
| } | |
| SAVE_CONTEXT | // prevent non-string writes for better error reporting |
| frame.write(frame); | |
| call(frame); | |
| Junction local_junction(aself, &method); | Value &result=frame.result(); |
| VMethodFrame local_frame(local_junction, method_frame/*caller*/); | if(const String* sresult=result.get_string()){ |
| if(optional_param && local_frame.method_params_count()>0) { | return sresult; |
| local_frame.store_params(&optional_param, 1); | } |
| } else { | result.bark("is '%s', it has no string representation", &method_name); |
| local_frame.empty_params(); | }); |
| } | } |
| local_frame.set_self(aself); | return 0; |
| rcontext=wcontext=method_frame=&local_frame; | } |
| // prevent non-string writes for better error reporting | bool Request::execute_method_if_exists(VStateless_class& aclass, const String& method_name, Value* optional_param) { |
| if(do_return_string) | if(const Method *method=aclass.get_method(method_name)){ |
| local_frame.write(local_frame); | METHOD_FRAME_ACTION(*method, method_frame/*caller*/, aclass, { |
| // execute! | if(optional_param && method->params_count>0) { |
| execute(*method.parser_code); | frame.store_params(&optional_param, 1); |
| } else { | |
| // result | frame.empty_params(); |
| const String* result=do_return_string ? local_frame.get_string() : 0; | } |
| RESTORE_CONTEXT | |
| return result; | call(frame); |
| }); | |
| return true; | |
| } | |
| return false; | |
| } | } |
| Request::Execute_nonvirtual_method_result | const String* Request::get_method_filespec(const Method* method){ |
| Request::execute_nonvirtual_method(VStateless_class& aclass, | Operation::Origin origin=get_method_origin(method); |
| const String& method_name, | return origin.file_no ? get_used_filespec(origin.file_no) : NULL; |
| 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::execute_virtual_method(Value& aself, | const Operation::Origin Request::get_method_origin(const Method* method){ |
| const String& method_name) { | Operation::Origin origin={0, 0, 0}; |
| if(Value* value=aself.get_element(method_name)) | |
| if(Junction* junction=value->get_junction()) | if(ArrayOperation* code=method->parser_code) |
| if(const Method *method=junction->method) | if(code){ |
| return execute_method(aself, *method, 0/*no params*/, true); | Array_iterator<Operation> i(*code); |
| while( i.has_next() ){ | |
| return 0; | 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; | |
| } | } |