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| version 1.307, 2005/07/15 06:16:41 | version 1.367, 2010/10/21 15:25:07 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: executor part of request class. | Parser: executor part of request class. |
| Copyright (c) 2001-2004 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2009 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| */ | */ |
| Line 33 char *opcode_name[]={ | Line 33 char *opcode_name[]={ |
| // actions | // actions |
| "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", | "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", |
| "GET_CLASS", | "VALUE__GET_CLASS", |
| "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", |
| "GET_ELEMENT_OR_OPERATOR", "GET_ELEMENT", "GET_ELEMENT__WRITE", | #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT |
| "VALUE__GET_ELEMENT_OR_OPERATOR", | |
| #else | |
| "GET_ELEMENT_OR_OPERATOR", | |
| #endif | |
| "GET_ELEMENT", | |
| "GET_ELEMENT__WRITE", | |
| #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT | |
| "VALUE__GET_ELEMENT", | |
| "VALUE__GET_ELEMENT__WRITE", | |
| "WITH_ROOT__VALUE__GET_ELEMENT", | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT | |
| "GET_OBJECT_ELEMENT", | |
| "GET_OBJECT_ELEMENT__WRITE", | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT | |
| "GET_OBJECT_VAR_ELEMENT", | |
| "GET_OBJECT_VAR_ELEMENT__WRITE", | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT | |
| "WITH_SELF__VALUE__GET_ELEMENT", | |
| "WITH_SELF__VALUE__GET_ELEMENT__WRITE", | |
| #endif | |
| "OBJECT_POOL", "STRING_POOL", | "OBJECT_POOL", "STRING_POOL", |
| "STORE_PARAM", | "PREPARE_TO_CONSTRUCT_OBJECT", |
| "PREPARE_TO_CONSTRUCT_OBJECT", "PREPARE_TO_EXPRESSION", | "CONSTRUCT_OBJECT", |
| "CONSTRUCT_OBJECT__WRITE", | |
| "PREPARE_TO_EXPRESSION", | |
| "CALL", "CALL__WRITE", | "CALL", "CALL__WRITE", |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | |
| "WITH_ROOT__VALUE__CONSTRUCT_EXPR", | |
| "WITH_ROOT__VALUE__CONSTRUCT_VALUE", | |
| "WITH_WRITE__VALUE__CONSTRUCT_EXPR", | |
| "WITH_WRITE__VALUE__CONSTRUCT_VALUE", | |
| "WITH_SELF__VALUE__CONSTRUCT_EXPR", | |
| "WITH_SELF__VALUE__CONSTRUCT_VALUE", | |
| #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 54 char *opcode_name[]={ | Line 88 char *opcode_name[]={ |
| "IS" | "IS" |
| }; | }; |
| const char* debug_value_to_cstr(Value& value){ | |
| const String* string=value.get_string(); | |
| if(string) | |
| return string->cstr(); | |
| else | |
| if(value.is_bool()) | |
| return value.as_bool()?"<true>":"<false>"; | |
| else | |
| return "<value>"; | |
| } | |
| void va_debug_printf(SAPI_Info& sapi_info, const char* fmt,va_list args) { | void va_debug_printf(SAPI_Info& sapi_info, const char* fmt,va_list args) { |
| char buf[MAX_STRING]; | char buf[MAX_STRING]; |
| vsnprintf(buf, MAX_STRING, fmt, args); | vsnprintf(buf, MAX_STRING, fmt, args); |
| Line 61 void va_debug_printf(SAPI_Info& sapi_inf | Line 107 void va_debug_printf(SAPI_Info& sapi_inf |
| } | } |
| void debug_printf(SAPI_Info& sapi_info, const char* fmt, ...) { | void debug_printf(SAPI_Info& sapi_info, const char* fmt, ...) { |
| va_list args; | va_list args; |
| va_start(args, fmt); | va_start(args, fmt); |
| va_debug_printf(sapi_info, fmt, args); | va_debug_printf(sapi_info, fmt, args); |
| va_end(args); | va_end(args); |
| } | } |
| void debug_dump(SAPI_Info& sapi_info, int level, ArrayOperation& ops) { | void debug_dump(SAPI_Info& sapi_info, int level, ArrayOperation& ops) { |
| Array_iterator<Operation> i(ops); | Array_iterator<Operation> i(ops); |
| while(i.has_next()) { | while(i.has_next()) { |
| OPCODE opcode=i.next().code; | OP::OPCODE opcode=i.next().code; |
| #if defined(OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT) || defined(OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT) | |
| if( | |
| 1==0 | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_ELEMENT | |
| || opcode==OP::OP_GET_OBJECT_ELEMENT | |
| || opcode==OP::OP_GET_OBJECT_ELEMENT__WRITE | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_OBJECT_VAR_ELEMENT | |
| || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT | |
| || opcode==OP::OP_GET_OBJECT_VAR_ELEMENT__WRITE | |
| #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; | |
| 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)); | |
| if(opcode==OP_VALUE || opcode==OP_STRING__WRITE) { | if(ArrayOperation* local_ops=i.next().ops) |
| debug_dump(sapi_info, level+1, *local_ops); | |
| continue; | |
| } | |
| if( | |
| opcode==OP::OP_VALUE | |
| || opcode==OP::OP_STRING__WRITE | |
| || opcode==OP::OP_VALUE__GET_CLASS | |
| #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT | |
| || opcode==OP::OP_VALUE__GET_ELEMENT | |
| || opcode==OP::OP_VALUE__GET_ELEMENT__WRITE | |
| || opcode==OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR | |
| || opcode==OP::OP_WITH_ROOT__VALUE__GET_ELEMENT | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT | |
| || opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT | |
| || opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | |
| || opcode==OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR | |
| || opcode==OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE | |
| || opcode==OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR | |
| || opcode==OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE | |
| || opcode==OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR | |
| || opcode==OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE | |
| #endif | |
| ) { | |
| Operation::Origin origin=i.next().origin; | Operation::Origin origin=i.next().origin; |
| Value& value=*i.next().value; | Value& value=*i.next().value; |
| debug_printf(sapi_info, | debug_printf(sapi_info, |
| "%*s%s" | "%*s%s" |
| " \"%s\" %s", | " \"%s\" %s", |
| level*4, "", opcode_name[opcode], | level*4, "", opcode_name[opcode], |
| value.get_string()->cstr(), value.type()); | debug_value_to_cstr(value), value.type()); |
| continue; | continue; |
| } | } |
| debug_printf(sapi_info, "%*s%s", level*4, "", opcode_name[opcode]); | debug_printf(sapi_info, "%*s%s", level*4, "", opcode_name[opcode]); |
| switch(opcode) { | switch(opcode) { |
| case OP_CURLY_CODE__STORE_PARAM: | case OP::OP_CURLY_CODE__STORE_PARAM: |
| case OP_EXPR_CODE__STORE_PARAM: | case OP::OP_EXPR_CODE__STORE_PARAM: |
| case OP_CURLY_CODE__CONSTRUCT: | case OP::OP_CURLY_CODE__CONSTRUCT: |
| case OP_NESTED_CODE: | case OP::OP_NESTED_CODE: |
| case OP_OBJECT_POOL: | case OP::OP_OBJECT_POOL: |
| case OP_STRING_POOL: | case OP::OP_STRING_POOL: |
| case OP_CALL: | case OP::OP_CALL: |
| case OP_CALL__WRITE: | case OP::OP_CALL__WRITE: |
| if(ArrayOperation* local_ops=i.next().ops) | if(ArrayOperation* local_ops=i.next().ops) |
| debug_dump(sapi_info, level+1, *local_ops); | debug_dump(sapi_info, level+1, *local_ops); |
| } | } |
| } | } |
| } | } |
| #define DEBUG_PRINT_STR(str) debug_printf(sapi_info, str); | |
| #define DEBUG_PRINT_STRING(value) debug_printf(sapi_info, " \"%s\" ", value.cstr()); | |
| #define DEBUG_PRINT_VALUE_AND_TYPE(value) debug_printf(sapi_info, " \"%s\" %s", debug_value_to_cstr(value), value.type()); | |
| #define DEBUG_PRINT_OPS(local_ops) \ | |
| debug_printf(sapi_info, \ | |
| " (%d)\n", local_ops?local_ops->count():0); \ | |
| if(local_ops) debug_dump(sapi_info, 1, *local_ops); | |
| #else | |
| #define DEBUG_PRINT_STR(str) | |
| #define DEBUG_PRINT_STRING(value) | |
| #define DEBUG_PRINT_VALUE_AND_TYPE(value) | |
| #define DEBUG_PRINT_OPS(local_ops) | |
| #endif | #endif |
| // Request | // Request |
| void Request::execute(ArrayOperation& ops) { | void Request::execute(ArrayOperation& ops) { |
| Line 113 void Request::execute(ArrayOperation& op | Line 239 void Request::execute(ArrayOperation& op |
| debug_printf(sapi_info, "execution-------------------------\n"); | debug_printf(sapi_info, "execution-------------------------\n"); |
| #endif | #endif |
| for(Array_iterator<Operation> i(ops); i.has_next(); ) { | for(Array_iterator<Operation> i(ops); i.has_next(); ) { |
| if(get_interrupted()) { | OP::OPCODE opcode=i.next().code; |
| set_interrupted(false); | |
| throw Exception("parser.interrupted", | |
| 0, | |
| "execution stopped"); | |
| } | |
| OPCODE opcode=i.next().code; | |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(sapi_info, "%d:%s", stack.top_index()+1, opcode_name[opcode]); | debug_printf(sapi_info, "%d:%s", stack.top_index()+1, opcode_name[opcode]); |
| Line 127 void Request::execute(ArrayOperation& op | Line 247 void Request::execute(ArrayOperation& op |
| switch(opcode) { | switch(opcode) { |
| // param in next instruction | // param in next instruction |
| case OP_VALUE: | case OP::OP_VALUE: |
| { | { |
| debug_origin=i.next().origin; | debug_origin=i.next().origin; |
| Value& value=*i.next().value; | Value& value=*i.next().value; |
| #ifdef DEBUG_EXECUTE | |
| debug_printf(sapi_info, " \"%s\" %s", value.get_string()->cstr(), value.type()); | DEBUG_PRINT_VALUE_AND_TYPE(value) |
| #endif | |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_GET_CLASS: | case OP::OP_VALUE__GET_CLASS: |
| { | { |
| // maybe they do ^class:method[] call, remember the fact | // maybe they do ^class:method[] call, remember the fact |
| wcontext->set_somebody_entered_some_class(); | wcontext->set_somebody_entered_some_class(); |
| const String& name=stack.pop().string(); | debug_origin=i.next().origin; |
| Value* value=classes().get(name); | Value& value=*i.next().value; |
| if(!value) | const String& name=*value.get_string(); debug_name=&name; |
| throw Exception("parser.runtime", | |
| DEBUG_PRINT_STRING(name) | |
| Value* class_value=get_class(name); | |
| if(!class_value) | |
| throw Exception(PARSER_RUNTIME, | |
| &name, | &name, |
| "class is undefined"); | "class is undefined"); |
| stack.push(*value); | stack.push(*class_value); |
| break; | break; |
| } | } |
| // OP_WITH | // OP_WITH |
| case OP_WITH_ROOT: | case OP::OP_WITH_ROOT: |
| { | { |
| stack.push(*method_frame); | stack.push(*method_frame); |
| break; | break; |
| } | } |
| case OP_WITH_SELF: | case OP::OP_WITH_SELF: |
| { | { |
| stack.push(get_self()); | stack.push(get_self()); |
| break; | break; |
| } | } |
| case OP_WITH_READ: | case OP::OP_WITH_READ: |
| { | { |
| stack.push(*rcontext); | stack.push(*rcontext); |
| break; | break; |
| } | } |
| case 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, | 0, |
| "$.name outside of $name[...]"); | "$.name outside of $name[...]"); |
| Line 181 void Request::execute(ArrayOperation& op | Line 305 void Request::execute(ArrayOperation& op |
| } | } |
| // OTHER ACTIONS BUT WITHs | // OTHER ACTIONS BUT WITHs |
| case OP_CONSTRUCT_VALUE: | |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | |
| #define DO_CONSTRUCT(context, vvalue) { \ | |
| debug_origin=i.next().origin; \ | |
| const String& name=*i.next().value->get_string(); debug_name=&name; \ | |
| DEBUG_PRINT_STRING(name) \ | |
| Value& value=stack.pop().value(); \ | |
| put_element( context, name, vvalue ); \ | |
| break; \ | |
| } | |
| #define DO_CONSTRUCT_VALUE(context) DO_CONSTRUCT(context, &value) | |
| #define DO_CONSTRUCT_EXPR(context) { \ | |
| wcontext->set_in_expression(false); \ | |
| DO_CONSTRUCT(context, &value.as_expr_result()) \ | |
| } | |
| case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_EXPR: | |
| { | |
| if(wcontext==method_frame) | |
| throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]"); | |
| DO_CONSTRUCT_EXPR(*wcontext) | |
| } | |
| case OP::OP_WITH_WRITE__VALUE__CONSTRUCT_VALUE: | |
| { | { |
| if(wcontext==method_frame) | |
| throw Exception(PARSER_RUNTIME, 0, "$.name outside of $name[...]"); | |
| DO_CONSTRUCT_VALUE(*wcontext) | |
| } | |
| case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_EXPR: DO_CONSTRUCT_EXPR(*method_frame) | |
| case OP::OP_WITH_ROOT__VALUE__CONSTRUCT_VALUE: DO_CONSTRUCT_VALUE(*method_frame) | |
| case OP::OP_WITH_SELF__VALUE__CONSTRUCT_EXPR: DO_CONSTRUCT_EXPR(get_self()) | |
| case OP::OP_WITH_SELF__VALUE__CONSTRUCT_VALUE: DO_CONSTRUCT_VALUE(get_self()) | |
| #endif // OPTIMIZE_BYTECODE_CONSTRUCT | |
| case OP::OP_CONSTRUCT_VALUE: | |
| { | |
| #ifdef OPTIMIZE_BYTECODE_CONSTRUCT | |
| const String& name=stack.pop().string(); debug_name=&name; | |
| Value& ncontext=stack.pop().value(); | |
| Value& value=stack.pop().value(); | |
| #else | |
| Value& value=stack.pop().value(); | Value& value=stack.pop().value(); |
| 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(); |
| ncontext.put_element(name, &value, false); | #endif |
| put_element(ncontext, name, &value); | |
| break; | break; |
| } | } |
| case OP_CONSTRUCT_EXPR: | |
| case OP::OP_CONSTRUCT_EXPR: | |
| { | { |
| // see OP_PREPARE_TO_EXPRESSION | // see OP_PREPARE_TO_EXPRESSION |
| wcontext->set_in_expression(false); | wcontext->set_in_expression(false); |
| Value& value=stack.pop().value(); | #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(); |
| ncontext.put_element(name, &value.as_expr_result(), false); | Value& expr=stack.pop().value(); |
| #else | |
| Value& expr=stack.pop().value(); | |
| const String& name=stack.pop().string(); debug_name=&name; | |
| Value& ncontext=stack.pop().value(); | |
| #endif | |
| Value& value=expr.as_expr_result(); | |
| put_element(ncontext, name, &value); | |
| break; | break; |
| } | } |
| case OP_CURLY_CODE__CONSTRUCT: | |
| case OP::OP_CURLY_CODE__CONSTRUCT: | |
| { | { |
| ArrayOperation& local_ops=*i.next().ops; | ArrayOperation& local_ops=*i.next().ops; |
| #ifdef DEBUG_EXECUTE | |
| debug_printf(sapi_info, " (%d)\n", local_ops.count()); | DEBUG_PRINT_OPS((&local_ops)) |
| debug_dump(sapi_info, 1, local_ops); | |
| #endif | VJunction& value=*new VJunction( |
| Value& value=*new VJunction(new Junction( | |
| get_self(), 0, | get_self(), 0, |
| method_frame, | method_frame, |
| rcontext, | rcontext, |
| wcontext, | wcontext, |
| &local_ops)); | &local_ops); |
| wcontext->attach_junction(&value); | |
| 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(); |
| ncontext.put_element(name, &value, false); | if(const VJunction* vjunction=ncontext.put_element(name, &value, false)) |
| if(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT) | |
| throw Exception(PARSER_RUNTIME, | |
| 0, | |
| "property value can not be code, use [] or () brackets"); | |
| break; | break; |
| } | } |
| case OP_NESTED_CODE: | case OP::OP_NESTED_CODE: |
| { | { |
| ArrayOperation& local_ops=*i.next().ops; | ArrayOperation& local_ops=*i.next().ops; |
| #ifdef DEBUG_EXECUTE | |
| debug_printf(sapi_info, " (%d)\n", local_ops.count()); | DEBUG_PRINT_OPS((&local_ops)) |
| debug_dump(sapi_info, 1, local_ops); | |
| #endif | |
| stack.push(local_ops); | stack.push(local_ops); |
| break; | break; |
| } | } |
| case OP_WRITE_VALUE: | case OP::OP_WRITE_VALUE: |
| { | { |
| Value& value=stack.pop().value(); | Value& value=stack.pop().value(); |
| write_assign_lang(value); | write_assign_lang(value); |
| break; | break; |
| } | } |
| case OP_WRITE_EXPR_RESULT: | 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 | // see OP_PREPARE_TO_EXPRESSION |
| wcontext->set_in_expression(false); | wcontext->set_in_expression(false); |
| Value& value=stack.pop().value(); | |
| wcontext->write(value.as_expr_result()); | |
| break; | break; |
| } | } |
| case OP_STRING__WRITE: | case OP::OP_STRING__WRITE: |
| { | { |
| i.next(); // ignore origin | i.next(); // ignore origin |
| Value* value=i.next().value; | Value* value=i.next().value; |
| #ifdef DEBUG_EXECUTE | |
| debug_printf(sapi_info, " \"%s\"", value->get_string()->cstr()); | const String& string_value=*value->get_string(); |
| #endif | |
| write_no_lang(*value->get_string()); | DEBUG_PRINT_STRING(string_value) |
| write_no_lang(string_value); | |
| break; | break; |
| } | } |
| case OP_GET_ELEMENT_OR_OPERATOR: | #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT |
| case OP::OP_VALUE__GET_ELEMENT_OR_OPERATOR: | |
| { | |
| debug_origin=i.next().origin; | |
| const String& name=*i.next().value->get_string(); debug_name=&name; | |
| DEBUG_PRINT_STRING(name) | |
| if(Method* method=main_class.get_method(name)){ // looking operator of that name FIRST | |
| if(!method->junction_template) method->junction_template=new VJunction(main_class, method); | |
| stack.push(*method->junction_template); | |
| break; | |
| } | |
| Value& value=get_element(*rcontext, name); | |
| stack.push(value); | |
| break; | |
| } | |
| #else | |
| case OP::OP_GET_ELEMENT_OR_OPERATOR: | |
| { | { |
| 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, true); | if(Method* method=main_class.get_method(name)){ // looking operator of that name FIRST |
| if(!method->junction_template) method->junction_template=new VJunction(main_class, method); | |
| stack.push(*method->junction_template); | |
| break; | |
| } | |
| Value& value=get_element(ncontext, name); | |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_GET_ELEMENT: | #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) | |
| Value& value=get_element(object, field_name); | |
| if(opcode==OP::OP_GET_OBJECT_ELEMENT){ | |
| stack.push(value); | |
| } else { | |
| write_assign_lang(value); | |
| } | |
| break; | |
| } | |
| #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(); | |
| Value& value=get_element(object, *field); | |
| if(opcode==OP::OP_GET_OBJECT_VAR_ELEMENT){ | |
| stack.push(value); | |
| } else { | |
| write_assign_lang(value); | |
| } | |
| break; | |
| } | |
| #endif | |
| case OP::OP_GET_ELEMENT: | |
| { | { |
| 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, false); | Value& value=get_element(ncontext, name); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case 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, false); | Value& value=get_element(ncontext, name); |
| write_assign_lang(value); | write_assign_lang(value); |
| break; | break; |
| } | } |
| #ifdef OPTIMIZE_BYTECODE_GET_ELEMENT | |
| case OP::OP_VALUE__GET_ELEMENT: | |
| { | |
| debug_origin=i.next().origin; | |
| const String& name=*i.next().value->get_string(); debug_name=&name; | |
| DEBUG_PRINT_STRING(name) | |
| case OP_OBJECT_POOL: | Value& value=get_element(*rcontext, name); |
| stack.push(value); | |
| break; | |
| } | |
| case OP::OP_VALUE__GET_ELEMENT__WRITE: | |
| { | |
| debug_origin=i.next().origin; | |
| const String& name=*i.next().value->get_string(); debug_name=&name; | |
| DEBUG_PRINT_STRING(name) | |
| Value& value=get_element(*rcontext, name); | |
| write_assign_lang(value); | |
| break; | |
| } | |
| case OP::OP_WITH_ROOT__VALUE__GET_ELEMENT: | |
| { | |
| debug_origin=i.next().origin; | |
| const String& name=*i.next().value->get_string(); debug_name=&name; | |
| DEBUG_PRINT_STRING(name) | |
| Value& value=get_element(*method_frame, name); | |
| stack.push(value); | |
| break; | |
| } | |
| #endif | |
| #ifdef OPTIMIZE_BYTECODE_GET_SELF_ELEMENT | |
| case OP::OP_WITH_SELF__VALUE__GET_ELEMENT: | |
| case OP::OP_WITH_SELF__VALUE__GET_ELEMENT__WRITE: | |
| { | |
| debug_origin=i.next().origin; | |
| const String& name=*i.next().value->get_string(); debug_name=&name; | |
| DEBUG_PRINT_STRING(name) | |
| Value& value=get_element(get_self(), name); | |
| if(opcode==OP::OP_WITH_SELF__VALUE__GET_ELEMENT){ | |
| stack.push(value); | |
| } else { | |
| write_assign_lang(value); | |
| } | |
| break; | |
| } | |
| #endif | |
| case OP::OP_OBJECT_POOL: | |
| { | { |
| 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; | String::Language saved_lang=flang; |
| flang=String::L_PASS_APPENDED; | 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; | wcontext=&local; |
| execute(local_ops); | execute(local_ops); |
| Line 301 void Request::execute(ArrayOperation& op | Line 629 void Request::execute(ArrayOperation& op |
| break; | break; |
| } | } |
| case OP_STRING_POOL: | case OP::OP_STRING_POOL: |
| { | { |
| ArrayOperation& local_ops=*i.next().ops; | ArrayOperation& local_ops=*i.next().ops; |
| WContext *saved_wcontext=wcontext; | WContext *saved_wcontext=wcontext; |
| WWrapper local(0 /*empty*/, wcontext); | WWrapper local(wcontext); |
| wcontext=&local; | wcontext=&local; |
| 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=new VVoid; | |
| stack.push(*value); | stack.push(*value); |
| wcontext=saved_wcontext; | wcontext=saved_wcontext; |
| Line 325 void Request::execute(ArrayOperation& op | Line 650 void Request::execute(ArrayOperation& op |
| } | } |
| // CALL | // CALL |
| case OP_STORE_PARAM: | case OP::OP_CURLY_CODE__STORE_PARAM: |
| { | case OP::OP_EXPR_CODE__STORE_PARAM: |
| Value& value=stack.pop().value(); | |
| VMethodFrame& frame=stack.top_value().method_frame(); | |
| // this op is executed from CALL local_ops only, so may skip the check "method_frame_to_fill==0" | |
| frame.store_param(value); | |
| break; | |
| } | |
| case OP_CURLY_CODE__STORE_PARAM: | |
| case OP_EXPR_CODE__STORE_PARAM: | |
| { | { |
| // code | // code |
| ArrayOperation& local_ops=*i.next().ops; | ArrayOperation& local_ops=*i.next().ops; |
| VMethodFrame& frame=stack.top_value().method_frame(); | |
| #ifdef DEBUG_EXECUTE | DEBUG_PRINT_OPS((&local_ops)) |
| debug_printf(sapi_info, " (%d)\n", local_ops.count()); | |
| debug_dump(sapi_info, 1, local_ops); | |
| #endif | |
| // when they evaluate expression parameter, | // when they evaluate expression parameter, |
| // the object expression result | // the object expression result |
| // does not need to be written into calling frame | // does not need to be written into calling frame |
| Line 350 void Request::execute(ArrayOperation& op | Line 665 void Request::execute(ArrayOperation& op |
| // hence, we zero junction.wcontext here, and later | // hence, we zero junction.wcontext here, and later |
| // in .process we would test that field | // in .process we would test that field |
| // in decision "which wwrapper to use" | // in decision "which wwrapper to use" |
| Value& value=*new VJunction(new Junction( | VJunction& value=*new VJunction( |
| get_self(), 0, | get_self(), 0, |
| method_frame, | method_frame, |
| rcontext, | rcontext, |
| opcode==OP_EXPR_CODE__STORE_PARAM?0:wcontext, | opcode==OP::OP_EXPR_CODE__STORE_PARAM?0:wcontext, |
| &local_ops)); | &local_ops); |
| #ifndef USE_DESTRUCTORS | |
| if (opcode!=OP::OP_EXPR_CODE__STORE_PARAM) | |
| wcontext->attach_junction(&value); | |
| #endif | |
| // store param | // store param |
| // this op is executed from CALL local_ops only, so can not check method_frame_to_fill==0 | stack.push(value); |
| frame.store_param(value); | |
| break; | |
| } | |
| case OP_PREPARE_TO_CONSTRUCT_OBJECT: | |
| { | |
| wcontext->set_constructing(true); | |
| break; | break; |
| } | } |
| case OP_PREPARE_TO_EXPRESSION: | case OP::OP_PREPARE_TO_EXPRESSION: |
| { | { |
| wcontext->set_in_expression(true); | wcontext->set_in_expression(true); |
| break; | break; |
| } | } |
| case OP_CALL: | #define METHOD_FRAME_ACTION(action) \ |
| case OP_CALL__WRITE: | 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: | |
| { | { |
| //is_debug_junction=true; | |
| ArrayOperation* local_ops=i.next().ops; | ArrayOperation* local_ops=i.next().ops; |
| #ifdef DEBUG_EXECUTE | |
| debug_printf(sapi_info, " (%d)\n", local_ops?local_ops->count():0); | |
| if(local_ops) | |
| debug_dump(sapi_info, 1, *local_ops); | |
| debug_printf(sapi_info, "->\n"); | DEBUG_PRINT_OPS(local_ops) |
| #endif | DEBUG_PRINT_STR("->\n") |
| Value& value=stack.pop().value(); | Value& value=stack.pop().value(); |
| 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, | 0, |
| "undefined method"); | "undefined method"); |
| else | else |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "is '%s', not a method or junction, can not call it", | "is '%s', not a method or junction, can not call it", |
| value.type()); | value.type()); |
| } | } |
| /* no check needed, code compiled the way that that's impossible | |
| // check: | |
| // that this is method-junction, not a code-junction | |
| // [disabling these contstructions:] | |
| // $junction{code} | |
| // ^junction[] | |
| if(!junction->method) | |
| throw Exception("parser.runtime", | |
| "is '%s', it is code junction, can not call it", | |
| value.type()); | |
| */ | |
| VMethodFrame frame(*junction, method_frame/*caller*/); | VMethodFrame frame(*junction->method, method_frame, junction->self); |
| if(local_ops){ // store param code goes here | METHOD_FRAME_ACTION(op_call(frame)); |
| stack.push(frame); // argument for *STORE_PARAM ops | stack.push(frame.result().as_value()); |
| execute(*local_ops); | |
| stack.pop().value(); | DEBUG_PRINT_STR("<-returned") |
| if(get_skip()) | |
| return; | |
| if(get_interrupted()) { | |
| set_interrupted(false); | |
| throw Exception("parser.interrupted", | |
| 0, | |
| "execution stopped"); | |
| } | } |
| frame.fill_unspecified_params(); | break; |
| VMethodFrame *saved_method_frame=method_frame; | } |
| Value* saved_rcontext=rcontext; | |
| WContext *saved_wcontext=wcontext; | |
| VStateless_class& called_class=*frame.junction.self.get_class(); | |
| Value* new_self; | |
| if(wcontext->get_constructing()) { | |
| wcontext->set_constructing(false); | |
| new_self=&get_self(); | |
| if(frame.junction.method->call_type!=Method::CT_STATIC) { | |
| // this is a constructor call | |
| if(Value* value=called_class.create_new_value(fpool)) { | |
| // some stateless_class creatable derivates | |
| new_self=value; | |
| } 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=&frame.junction.self; | |
| frame.set_self(*new_self); | case OP::OP_CALL__WRITE: |
| { | |
| ArrayOperation* local_ops=i.next().ops; | |
| // see OP_PREPARE_TO_EXPRESSION | DEBUG_PRINT_OPS(local_ops) |
| frame.set_in_expression(wcontext->get_in_expression()); | DEBUG_PRINT_STR("->\n") |
| rcontext=wcontext=&frame; | Value& value=stack.pop().value(); |
| { | |
| const Method& method=*frame.junction.method; | Junction* junction=value.get_junction(); |
| Method::Call_type call_type= | if(!junction) { |
| &called_class==new_self ? Method::CT_STATIC : Method::CT_DYNAMIC; | if(value.is("void")) |
| if( | throw Exception(PARSER_RUNTIME, |
| method.call_type==Method::CT_ANY || | 0, |
| method.call_type==call_type) { // allowed call type? | "undefined method"); |
| method_frame=&frame; | else |
| if(method.native_code) { // native code? | throw Exception(PARSER_RUNTIME, |
| method.check_actual_numbered_params( | 0, |
| frame.junction.self, | "is '%s', not a method or junction, can not call it", |
| /*frame.name(), */frame.numbered_params()); | value.type()); |
| 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, //&frame.name(), | |
| "is not allowed to be called %s", | |
| call_type==Method::CT_STATIC?"statically":"dynamically"); | |
| #ifdef OPTIMIZE_CALL | |
| const Method& method=*junction->method; | |
| 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 | |
| stack.set_top_index(first); | |
| } else { | |
| MethodParams method_params; | |
| method.check_actual_numbered_params(junction->self, &method_params); | |
| method.native_code(*this, method_params); // execute it | |
| } | |
| } else if(method.call_optimization==Method::CO_WITHOUT_WCONTEXT){ | |
| VMethodFrame frame(method, method_frame, junction->self); | |
| METHOD_FRAME_ACTION(op_call_write(frame)); | |
| } else | |
| #endif // OPTIMIZE_CALL | |
| { | |
| VMethodFrame frame(method, method_frame, junction->self); | |
| METHOD_FRAME_ACTION(op_call(frame)); | |
| write_pass_lang(frame.result()); | |
| } | } |
| StringOrValue result=wcontext->result(); | |
| wcontext=saved_wcontext; | DEBUG_PRINT_STR("<-returned") |
| rcontext=saved_rcontext; | |
| method_frame=saved_method_frame; | |
| if(opcode==OP_CALL__WRITE) { | if(get_skip()) |
| write_assign_lang(result); | return; |
| } else { // OP_CALL | if(get_interrupted()) { |
| stack.push(result.as_value()); | set_interrupted(false); |
| throw Exception("parser.interrupted", | |
| 0, | |
| "execution stopped"); | |
| } | } |
| break; | |
| #ifdef DEBUG_EXECUTE | } |
| debug_printf(sapi_info, "<-returned"); | |
| #endif | case OP::OP_CONSTRUCT_OBJECT: |
| //is_debug_junction=false; | 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) | |
| Value* class_value=get_class(class_name); | |
| if(!class_value) | |
| 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(*class_value, 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()); | |
| 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(); | |
| if(opcode==OP::OP_CONSTRUCT_OBJECT) | |
| stack.push(frame.result().as_value()); | |
| else | |
| write_pass_lang(frame.result()); | |
| DEBUG_PRINT_STR("<-returned") | |
| break; | break; |
| } | } |
| // expression ops: unary | // expression ops: unary |
| case OP_NEG: | case OP::OP_NEG: |
| { | { |
| Value& a=stack.pop().value(); | Value& a=stack.pop().value(); |
| Value& value=*new VDouble(-a.as_double()); | Value& value=*new VDouble(-a.as_double()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_INV: | case OP::OP_INV: |
| { | { |
| Value& a=stack.pop().value(); | Value& a=stack.pop().value(); |
| Value& value=*new VDouble(~a.as_int()); | Value& value=*new VDouble(~a.as_int()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NOT: | case OP::OP_NOT: |
| { | { |
| Value& a=stack.pop().value(); | Value& a=stack.pop().value(); |
| Value& value=*new VBool(!a.as_bool()); | Value& value=VBool::get(!a.as_bool()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_DEF: | case OP::OP_DEF: |
| { | { |
| Value& a=stack.pop().value(); | Value& a=stack.pop().value(); |
| Value& value=*new VBool(a.is_defined()); | Value& value=VBool::get(a.is_defined()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_IN: | case OP::OP_IN: |
| { | { |
| Value& a=stack.pop().value(); | Value& a=stack.pop().value(); |
| const String& path=a.as_string(); | const String& path=a.as_string(); |
| Value& value=*new VBool(request_info.uri && *request_info.uri && path.this_starts(request_info.uri)); | Value& value=VBool::get(request_info.uri && *request_info.uri && path.this_starts(request_info.uri)); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_FEXISTS: | case OP::OP_FEXISTS: |
| { | { |
| Value& a=stack.pop().value(); | Value& a=stack.pop().value(); |
| Value& value=*new VBool(file_readable(absolute(a.as_string()))); | Value& value=VBool::get(file_exist(absolute(a.as_string()))); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_DEXISTS: | case OP::OP_DEXISTS: |
| { | { |
| Value& a=stack.pop().value(); | Value& a=stack.pop().value(); |
| Value& value=*new VBool(dir_readable(absolute(a.as_string()))); | Value& value=VBool::get(dir_exists(absolute(a.as_string()))); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| // expression ops: binary | // expression ops: binary |
| case OP_SUB: | case OP::OP_SUB: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VDouble(a.as_double() - b.as_double()); | Value& value=*new VDouble(a.as_double() - b.as_double()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_ADD: | case OP::OP_ADD: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VDouble(a.as_double() + b.as_double()); | Value& value=*new VDouble(a.as_double() + b.as_double()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_MUL: | case OP::OP_MUL: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VDouble(a.as_double() * b.as_double()); | Value& value=*new VDouble(a.as_double() * b.as_double()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_DIV: | case OP::OP_DIV: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Line 592 void Request::execute(ArrayOperation& op | Line 939 void Request::execute(ArrayOperation& op |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_MOD: | case OP::OP_MOD: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Line 610 void Request::execute(ArrayOperation& op | Line 957 void Request::execute(ArrayOperation& op |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_INTDIV: | case OP::OP_INTDIV: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Line 628 void Request::execute(ArrayOperation& op | Line 975 void Request::execute(ArrayOperation& op |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_SL: | case OP::OP_BIN_SL: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VInt( | Value& value=*new VInt( |
| Line 637 void Request::execute(ArrayOperation& op | Line 984 void Request::execute(ArrayOperation& op |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_SR: | case OP::OP_BIN_SR: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VInt( | Value& value=*new VInt( |
| Line 646 void Request::execute(ArrayOperation& op | Line 993 void Request::execute(ArrayOperation& op |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_AND: | case OP::OP_BIN_AND: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VInt( | Value& value=*new VInt( |
| Line 655 void Request::execute(ArrayOperation& op | Line 1002 void Request::execute(ArrayOperation& op |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_OR: | case OP::OP_BIN_OR: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VInt( | Value& value=*new VInt( |
| Line 664 void Request::execute(ArrayOperation& op | Line 1011 void Request::execute(ArrayOperation& op |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_XOR: | case OP::OP_BIN_XOR: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VInt( | Value& value=*new VInt( |
| Line 673 void Request::execute(ArrayOperation& op | Line 1020 void Request::execute(ArrayOperation& op |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_LOG_AND: | case OP::OP_LOG_AND: |
| { | { |
| ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value(); | ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value(); |
| bool result; | bool result; |
| Line 683 void Request::execute(ArrayOperation& op | Line 1030 void Request::execute(ArrayOperation& op |
| result=b.as_bool(); | result=b.as_bool(); |
| } else | } else |
| result=false; | result=false; |
| Value& value=*new VBool(result); | Value& value=VBool::get(result); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_LOG_OR: | case OP::OP_LOG_OR: |
| { | { |
| ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value(); | ArrayOperation& local_ops=stack.pop().ops(); Value& a=stack.pop().value(); |
| bool result; | bool result; |
| Line 698 void Request::execute(ArrayOperation& op | Line 1045 void Request::execute(ArrayOperation& op |
| Value& b=stack.pop().value(); | Value& b=stack.pop().value(); |
| result=b.as_bool(); | result=b.as_bool(); |
| } | } |
| Value& value=*new VBool(result); | Value& value=VBool::get(result); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_LOG_XOR: | case OP::OP_LOG_XOR: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VBool(a.as_bool() ^ b.as_bool()); | Value& value=VBool::get(a.as_bool() ^ b.as_bool()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_LT: | case OP::OP_NUM_LT: |
| { | { |
| volatile double b_double=stack.pop().value().as_double(); | volatile double b_double=stack.pop().value().as_double(); |
| volatile double a_double=stack.pop().value().as_double(); | volatile double a_double=stack.pop().value().as_double(); |
| Value& value=*new VBool(a_double<b_double); | Value& value=VBool::get(a_double<b_double); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_GT: | case OP::OP_NUM_GT: |
| { | { |
| volatile double b_double=stack.pop().value().as_double(); | volatile double b_double=stack.pop().value().as_double(); |
| volatile double a_double=stack.pop().value().as_double(); | volatile double a_double=stack.pop().value().as_double(); |
| Value& value=*new VBool(a_double>b_double); | Value& value=VBool::get(a_double>b_double); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_LE: | case OP::OP_NUM_LE: |
| { | { |
| volatile double b_double=stack.pop().value().as_double(); | volatile double b_double=stack.pop().value().as_double(); |
| volatile double a_double=stack.pop().value().as_double(); | volatile double a_double=stack.pop().value().as_double(); |
| Value& value=*new VBool(a_double<=b_double); | Value& value=VBool::get(a_double<=b_double); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_GE: | case OP::OP_NUM_GE: |
| { | { |
| volatile double b_double=stack.pop().value().as_double(); | volatile double b_double=stack.pop().value().as_double(); |
| volatile double a_double=stack.pop().value().as_double(); | volatile double a_double=stack.pop().value().as_double(); |
| Value& value=*new VBool(a_double>=b_double); | Value& value=VBool::get(a_double>=b_double); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_EQ: | case OP::OP_NUM_EQ: |
| { | { |
| volatile double b_double=stack.pop().value().as_double(); | volatile double b_double=stack.pop().value().as_double(); |
| volatile double a_double=stack.pop().value().as_double(); | volatile double a_double=stack.pop().value().as_double(); |
| Value& value=*new VBool(a_double==b_double); | Value& value=VBool::get(a_double==b_double); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_NE: | case OP::OP_NUM_NE: |
| { | { |
| volatile double b_double=stack.pop().value().as_double(); | volatile double b_double=stack.pop().value().as_double(); |
| volatile double a_double=stack.pop().value().as_double(); | volatile double a_double=stack.pop().value().as_double(); |
| Value& value=*new VBool(a_double!=b_double); | Value& value=VBool::get(a_double!=b_double); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_LT: | case OP::OP_STR_LT: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VBool(a.as_string() < b.as_string()); | Value& value=VBool::get(a.as_string() < b.as_string()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_GT: | case OP::OP_STR_GT: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VBool(a.as_string() > b.as_string()); | Value& value=VBool::get(a.as_string() > b.as_string()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_LE: | case OP::OP_STR_LE: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VBool(a.as_string() <= b.as_string()); | Value& value=VBool::get(a.as_string() <= b.as_string()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_GE: | case OP::OP_STR_GE: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VBool(a.as_string() >= b.as_string()); | Value& value=VBool::get(a.as_string() >= b.as_string()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_EQ: | case OP::OP_STR_EQ: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VBool(a.as_string() == b.as_string()); | Value& value=VBool::get(a.as_string() == b.as_string()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_NE: | case OP::OP_STR_NE: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VBool(a.as_string() != b.as_string()); | Value& value=VBool::get(a.as_string() != b.as_string()); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_IS: | case OP::OP_IS: |
| { | { |
| Value& b=stack.pop().value(); Value& a=stack.pop().value(); | Value& b=stack.pop().value(); Value& a=stack.pop().value(); |
| Value& value=*new VBool(a.is(b.as_string().cstr())); | Value& value=VBool::get(a.is(b.as_string().cstr())); |
| stack.push(value); | stack.push(value); |
| break; | break; |
| } | } |
| Line 821 void Request::execute(ArrayOperation& op | Line 1168 void Request::execute(ArrayOperation& op |
| } | } |
| } | } |
| /** | #define SAVE_CONTEXT \ |
| @todo cache|prepare junctions | VMethodFrame *saved_method_frame=method_frame; \ |
| @bug ^superbase:method would dynamically call ^base:method if there is any | Value* saved_rcontext=rcontext; \ |
| */ | WContext *saved_wcontext=wcontext; |
| Value& Request::get_element(Value& ncontext, const String& name, bool can_call_operator) { | |
| Value* value=0; | |
| if(can_call_operator) { | |
| if(Method* method=main_class.get_method(name)) // looking operator of that name FIRST | |
| value=new VJunction(new Junction(main_class, method)); | |
| } | |
| if(!value) { | |
| 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=base->get_element(name, *base, false); // virtual-up lookup starting from parent | |
| goto value_ready; | |
| } | |
| } | |
| if(!value) | |
| value=ncontext.get_element(name, ncontext, false); | |
| if(value && wcontext->get_constructing()) | #define RESTORE_CONTEXT \ |
| if(Junction* junction=value->get_junction()) { | wcontext=saved_wcontext; \ |
| if(junction->self.get_class()!=&ncontext) | rcontext=saved_rcontext; \ |
| throw Exception("parser.runtime", | method_frame=saved_method_frame; |
| &name, | |
| "constructor must be declared in class '%s'", | |
| ncontext.get_class()->name_cstr()); | Value& Request::construct(Value &class_value, const Method &method){ |
| VStateless_class& called_class=*class_value.get_class(); | |
| 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, | |
| 0, //&frame.name(), | |
| "is not a constructor, system class '%s' can be constructed only implicitly", | |
| called_class.name().cstr()); | |
| } else | |
| throw Exception(PARSER_RUNTIME, | |
| 0, //&frame.name(), | |
| "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; | |
| Value& self=frame.self(); | |
| const Method& method=frame.method; | |
| Method::Call_type call_type=self.get_class()==&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(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 | |
| } | |
| void Request::op_call_write(VMethodFrame& frame){ | |
| VMethodFrame *saved_method_frame=method_frame; | |
| Value* saved_rcontext=rcontext; | |
| rcontext=&frame; | |
| 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; | |
| 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_to_value(*value) : VVoid::get()); | |
| } | |
| 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(vjunction!=PUT_ELEMENT_REPLACED_ELEMENT) { | |
| const Junction& junction = vjunction->junction(); | |
| VConstructorFrame frame(*junction.method, method_frame /*caller*/, junction.self); | |
| size_t param_count=frame.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 }; | |
| frame.store_params(params, 2); | |
| Temp_disable_default_setter temp(junction.self); | |
| execute_method(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); | |
| execute_method(frame); | |
| } | |
| } | } |
| } | |
| value_ready: | StringOrValue Request::process_getter(Junction& junction) { |
| if(value) | VMethodFrame frame(*junction.method, method_frame/*caller*/, junction.self); |
| value=&process_to_value(*value); // process possible code-junction | size_t param_count=frame.method_params_count(); |
| else | |
| value=new VVoid; | if(junction.auto_name){ |
| // default getter | |
| Value *param; | |
| 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); | |
| param=new VString(*junction.auto_name); | |
| frame.store_params(¶m, 1); | |
| } // no need for else frame.empty_params() | |
| Temp_disable_default_getter temp(junction.self); | |
| execute_method(frame); | |
| } else { | |
| // getter | |
| if(param_count!=0) | |
| 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); | |
| } | |
| return *value; | return frame.result(); |
| } | } |
| /** @param intercept_string | /** @param intercept_string |
| Line 873 value_ready: | Line 1342 value_ready: |
| nothing goes to wcontext. | nothing goes to wcontext. |
| used in @c (expression) params evaluation | used in @c (expression) params evaluation |
| using the fact it's either string_ or value_ result requested to speed up checkes | using the fact it's either string_ or value_ result requested to speed up checkes |
| */ | */ |
| StringOrValue Request::process(Value& input_value, bool intercept_string) { | 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? |
| // process it | return process_getter(*junction); |
| VMethodFrame frame(*junction, method_frame/*caller*/); | |
| if(junction->method->params_names) | |
| throw Exception("parser.runtime", | |
| 0, | |
| "getter method must have no parameters"); | |
| frame.set_self(frame.junction.self); | |
| VMethodFrame *saved_method_frame=method_frame; | |
| Value* saved_rcontext=rcontext; | |
| WContext *saved_wcontext=wcontext; | |
| rcontext=wcontext=&frame; | |
| method_frame=&frame; | |
| recoursion_checked_execute(*frame.junction.method->parser_code); // parser code, execute it | |
| StringOrValue result=wcontext->result(); | |
| method_frame=saved_method_frame; | |
| wcontext=saved_wcontext; | |
| rcontext=saved_rcontext; | |
| return result; | |
| } | } |
| if(junction->code) { // is it a code-junction? | if(junction->code) { // is it a code-junction? |
| // process it | // process it |
| StringOrValue result; | StringOrValue result; |
| #ifdef DEBUG_EXECUTE | |
| debug_printf(sapi_info, "ja->\n"); | DEBUG_PRINT_STR("ja->\n") |
| #endif | |
| if(!junction->method_frame) | if(!junction->method_frame) |
| throw Exception("parser.runtime", | throw Exception(PARSER_RUNTIME, |
| 0, | 0, |
| "junction used outside of context"); | "junction used outside of context"); |
| VMethodFrame *saved_method_frame=method_frame; | SAVE_CONTEXT |
| Value* saved_rcontext=rcontext; | |
| WContext *saved_wcontext=wcontext; | |
| method_frame=junction->method_frame; | method_frame=junction->method_frame; |
| rcontext=junction->rcontext; | rcontext=junction->rcontext; |
| Line 930 StringOrValue Request::process(Value& in | Line 1373 StringOrValue Request::process(Value& in |
| // using the fact in decision "which wwrapper to use" | // using the fact in decision "which wwrapper to use" |
| bool using_code_frame=intercept_string && junction->wcontext; | bool using_code_frame=intercept_string && junction->wcontext; |
| if(using_code_frame) { | if(using_code_frame) { |
| // almost plain wwrapper about junction wcontext, | // almost plain wwrapper about junction wcontext |
| // BUT intercepts string writes | |
| VCodeFrame local(*junction->wcontext, 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: | // CodeFrame soul: |
| // string writes were intercepted | result=wcontext->result(); |
| // returning them as the result of getting code-junction | |
| result.set_string(*wcontext->get_string()); | |
| } else { | } else { |
| // plain wwrapper | // plain wwrapper |
| WWrapper local(0/*empty*/, wcontext); | WWrapper local(wcontext); |
| wcontext=&local; | wcontext=&local; |
| // execute it | // execute it |
| Line 953 StringOrValue Request::process(Value& in | Line 1394 StringOrValue Request::process(Value& in |
| result=wcontext->result(); | result=wcontext->result(); |
| } | } |
| wcontext=saved_wcontext; | RESTORE_CONTEXT |
| rcontext=saved_rcontext; | |
| method_frame=saved_method_frame; | DEBUG_PRINT_STR("<-ja returned") |
| #ifdef DEBUG_EXECUTE | |
| debug_printf(sapi_info, "<-ja returned"); | |
| #endif | |
| return result; | return result; |
| } | } |
| Line 970 StringOrValue Request::process(Value& in | Line 1408 StringOrValue Request::process(Value& in |
| return input_value; | return input_value; |
| } | } |
| StringOrValue Request::execute_method(VMethodFrame& amethod_frame, const Method& method) { | void Request::process_write(Value& input_value) { |
| VMethodFrame *saved_method_frame=method_frame; | Junction* junction=input_value.get_junction(); |
| Value* saved_rcontext=rcontext; | if(junction) { |
| WContext *saved_wcontext=wcontext; | if(junction->is_getter) { // is it a getter-junction? |
| write_pass_lang(process_getter(*junction)); | |
| return; | |
| } | |
| if(junction->code) { // is it a code-junction? | |
| // process it | |
| DEBUG_PRINT_STR("ja->\n") | |
| if(!junction->method_frame) | |
| 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" | |
| #ifdef OPTIMIZE_CALL | |
| if(wcontext==junction->wcontext){ | |
| // no wrappers for wcontext | |
| recoursion_checked_execute(*junction->code); | |
| RESTORE_CONTEXT | |
| } else | |
| #endif | |
| if(junction->wcontext) { | |
| // almost plain wwrapper about junction wcontext | |
| VCodeFrame local(*junction->wcontext); | |
| wcontext=&local; | |
| // execute it | |
| recoursion_checked_execute(*junction->code); | |
| RESTORE_CONTEXT | |
| write_pass_lang(local.result()); | |
| } else { | |
| // plain wwrapper | |
| WWrapper local(wcontext); | |
| wcontext=&local; | |
| // execute it | |
| recoursion_checked_execute(*junction->code); | |
| RESTORE_CONTEXT | |
| write_pass_lang(local.result()); | |
| } | |
| DEBUG_PRINT_STR("<-ja returned") | |
| return; | |
| } | |
| // it is then method-junction, do not explode it | |
| // just return it as we do for usual objects | |
| } | |
| write_pass_lang(input_value); | |
| } | |
| void Request::execute_method(VMethodFrame& aframe) { | |
| SAVE_CONTEXT | |
| // initialize contexts | // initialize contexts |
| rcontext=wcontext=method_frame=&amethod_frame; | rcontext=wcontext=method_frame=&aframe; |
| // execute! | // execute! |
| execute(*method.parser_code); | recoursion_checked_execute(*aframe.method.parser_code); |
| // result | RESTORE_CONTEXT |
| StringOrValue result=wcontext->result(); | |
| wcontext=saved_wcontext; | |
| rcontext=saved_rcontext; | |
| method_frame=saved_method_frame; | |
| // return | |
| return result; | |
| } | } |
| const String* Request::execute_method(Value& aself, | const String* Request::execute_method(Value& aself, |
| const Method& method, VString* optional_param, | const Method& method, Value* optional_param, |
| bool do_return_string) { | bool do_return_string) { |
| VMethodFrame *saved_method_frame=method_frame; | |
| Value* saved_rcontext=rcontext; | VMethodFrame local_frame(method, method_frame/*caller*/, aself); |
| WContext *saved_wcontext=wcontext; | |
| if(optional_param && local_frame.method_params_count()>0) { | |
| Junction local_junction(aself, &method); | local_frame.store_params(&optional_param, 1); |
| VMethodFrame local_frame(local_junction, method_frame/*caller*/); | } else { |
| if(optional_param && local_frame.can_store_param()) { | local_frame.empty_params(); |
| local_frame.store_param(*optional_param); | |
| local_frame.fill_unspecified_params(); | |
| } | } |
| local_frame.set_self(aself); | |
| rcontext=wcontext=method_frame=&local_frame; | |
| // prevent non-string writes for better error reporting | // prevent non-string writes for better error reporting |
| if(do_return_string) | if(do_return_string) |
| wcontext->write(local_frame); | local_frame.write(local_frame); |
| // execute! | |
| execute(*method.parser_code); | |
| // result | execute_method(local_frame); |
| const String* result=0; | |
| if(do_return_string) | |
| result=&wcontext->result().as_string(); | |
| wcontext=saved_wcontext; | return do_return_string ? local_frame.get_string() : 0; |
| rcontext=saved_rcontext; | |
| method_frame=saved_method_frame; | |
| return result; | |
| } | } |
| Request::Execute_nonvirtual_method_result | Request::Execute_nonvirtual_method_result |
| Request::execute_nonvirtual_method(VStateless_class& aclass, | Request::execute_nonvirtual_method(VStateless_class& aclass, |
| const String& method_name, VString* optional_param, | const String& method_name, |
| bool do_return_string) { | VString* optional_param, |
| bool do_return_string) { | |
| Execute_nonvirtual_method_result result; | Execute_nonvirtual_method_result result; |
| result.method=aclass.get_method(method_name); | result.method=aclass.get_method(method_name); |
| if(result.method) | if(result.method) |
| result.string=execute_method(aclass, *result.method, optional_param, | result.string=execute_method(aclass, *result.method, optional_param, do_return_string); |
| do_return_string); | |
| return result; | return result; |
| } | } |
| const String* Request::execute_virtual_method(Value& aself, | const String* Request::execute_virtual_method(Value& aself, |
| const String& method_name) { | const String& method_name) { |
| if(Value* value=aself.get_element(method_name, aself, false)) | if(Value* value=aself.get_element(method_name)) |
| if(Junction* junction=value->get_junction()) | if(Junction* junction=value->get_junction()) |
| if(const Method *method=junction->method) | if(const Method *method=junction->method) |
| return execute_method(aself, *method, 0/*no params*/, true); | return execute_method(aself, *method, 0/*no params*/, true); |
| return 0; | return 0; |
| } | } |
| const String* Request::get_method_filename(const Method* method){ | |
| if(ArrayOperation* code=method->parser_code) | |
| if(code){ | |
| Operation::Origin origin={0, 0, 0}; | |
| Array_iterator<Operation> 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: | |
| #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 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; | |
| } | |
| } | |
| if(origin.file_no) | |
| return get_used_filename(origin.file_no); | |
| } | |
| } | |
| return 0; | |
| } | |