|
|
| version 1.201, 2001/10/31 13:07:35 | version 1.230, 2002/04/15 12:03:32 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: executor part of request class. | Parser: executor part of request class. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| $Id$ | $Id$ |
| */ | */ |
| Line 24 | Line 24 |
| #include "pa_wwrapper.h" | #include "pa_wwrapper.h" |
| //#define DEBUG_EXECUTE | //#define DEBUG_EXECUTE |
| //#define DEBUG_STRING_APPENDS_VS_EXPANDS | |
| #ifdef DEBUG_STRING_APPENDS_VS_EXPANDS | |
| ulong wcontext_result_size=0; | |
| #endif | |
| const uint ANTI_ENDLESS_EXECUTE_RECOURSION=200; | |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| char *opcode_name[]={ | 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", | |
| // actions | // actions |
| "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", | "WITH_ROOT", "WITH_SELF", "WITH_READ", "WITH_WRITE", |
| "GET_CLASS", | "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", "GET_ELEMENT__WRITE", | "GET_ELEMENT_OR_OPERATOR", "GET_ELEMENT", "GET_ELEMENT__WRITE", |
| "CREATE_EWPOOL", "REDUCE_EWPOOL", | "OBJECT_POOL", |
| "CREATE_SWPOOL", "REDUCE_SWPOOL", | "STRING_POOL", |
| "GET_METHOD_FRAME", | "GET_METHOD_FRAME", |
| "STORE_PARAM", | "STORE_PARAM", |
| "PREPARE_TO_CONSTRUCT_OBJECT", "CALL", | "PREPARE_TO_CONSTRUCT_OBJECT", "PREPARE_TO_EXPRESSION", "CALL", |
| // expression ops: unary | // expression ops: unary |
| "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS", "DEXISTS", | "NEG", "INV", "NOT", "DEF", "IN", "FEXISTS", "DEXISTS", |
| Line 89 void debug_dump(Pool& pool, int level, c | Line 96 void debug_dump(Pool& pool, int level, c |
| case OP_CURLY_CODE__STORE_PARAM: | case OP_CURLY_CODE__STORE_PARAM: |
| case OP_EXPR_CODE__STORE_PARAM: | case OP_EXPR_CODE__STORE_PARAM: |
| case OP_CURLY_CODE__CONSTRUCT: | case OP_CURLY_CODE__CONSTRUCT: |
| case OP_NESTED_CODE: | |
| case OP_OBJECT_POOL: | |
| case OP_STRING_POOL: | |
| const Array *local_ops=reinterpret_cast<const Array *>(i.next()); | const Array *local_ops=reinterpret_cast<const Array *>(i.next()); |
| debug_dump(pool, level+1, *local_ops); | debug_dump(pool, level+1, *local_ops); |
| } | } |
| Line 99 void debug_dump(Pool& pool, int level, c | Line 109 void debug_dump(Pool& pool, int level, c |
| #define PUSH(value) stack.push(value) | #define PUSH(value) stack.push(value) |
| #define POP() static_cast<Value *>(stack.pop()) | #define POP() static_cast<Value *>(stack.pop()) |
| #define POP_NAME() static_cast<Value *>(stack.pop())->as_string() | #define POP_NAME() static_cast<Value *>(stack.pop())->as_string() |
| #define POP_CODE() static_cast<Array *>(stack.pop()) | |
| void Request::execute(const Array& ops) { | void Request::execute(const Array& ops) { |
| // _asm int 3; | // _asm int 3; |
| Line 118 void Request::execute(const Array& ops) | Line 129 void Request::execute(const Array& ops) |
| Value *value; | Value *value; |
| Value *a; Value *b; | Value *a; Value *b; |
| Array *b_code; | |
| switch(op.code) { | switch(op.code) { |
| // param in next instruction | // param in next instruction |
| case OP_VALUE: | case OP_VALUE: |
| Line 167 void Request::execute(const Array& ops) | Line 179 void Request::execute(const Array& ops) |
| const String& name=POP_NAME(); | const String& name=POP_NAME(); |
| value=static_cast<Value *>(classes().get(name)); | value=static_cast<Value *>(classes().get(name)); |
| if(!value) | if(!value) |
| throw Exception(0,0, | throw Exception("parser.runtime", |
| &name, | &name, |
| "class is undefined"); | "class is undefined"); |
| Line 209 void Request::execute(const Array& ops) | Line 221 void Request::execute(const Array& ops) |
| } | } |
| case OP_CONSTRUCT_EXPR: | case OP_CONSTRUCT_EXPR: |
| { | { |
| // see OP_PREPARE_TO_EXPRESSION | |
| wcontext->set_in_expression(false); | |
| value=POP(); | value=POP(); |
| const String& name=POP_NAME(); | const String& name=POP_NAME(); |
| Value *ncontext=POP(); | Value *ncontext=POP(); |
| Line 237 void Request::execute(const Array& ops) | Line 252 void Request::execute(const Array& ops) |
| value->set_name(name); | value->set_name(name); |
| break; | break; |
| } | } |
| case OP_NESTED_CODE: | |
| { | |
| Array *local_ops=static_cast<Array *>(i.next()); | |
| #ifdef DEBUG_EXECUTE | |
| debug_printf(pool(), " (%d)\n", local_ops->size()); | |
| debug_dump(pool(), 1, *local_ops); | |
| #endif | |
| PUSH(local_ops); | |
| break; | |
| } | |
| case OP_WRITE_VALUE: | case OP_WRITE_VALUE: |
| { | { |
| value=POP(); | value=POP(); |
| Line 250 void Request::execute(const Array& ops) | Line 275 void Request::execute(const Array& ops) |
| case OP_WRITE_EXPR_RESULT: | case OP_WRITE_EXPR_RESULT: |
| { | { |
| value=POP(); | value=POP(); |
| write_expr_result(*value->as_expr_result()); | write_no_lang(*value->as_expr_result()); |
| // must be after write(result) and | |
| // see OP_PREPARE_TO_EXPRESSION | |
| wcontext->set_in_expression(false); | |
| break; | break; |
| } | } |
| case OP_STRING__WRITE: | case OP_STRING__WRITE: |
| Line 263 void Request::execute(const Array& ops) | Line 292 void Request::execute(const Array& ops) |
| break; | break; |
| } | } |
| case OP_GET_ELEMENT_OR_OPERATOR: | |
| { | |
| // maybe they do ^object.method[] call, remember the fact | |
| wcontext->set_somebody_entered_some_object(true); | |
| //_asm int 3; | |
| value=get_element(true); | |
| PUSH(value); | |
| break; | |
| } | |
| case OP_GET_ELEMENT: | case OP_GET_ELEMENT: |
| { | { |
| // maybe they do ^object.method[] call, remember the fact | // maybe they do ^object.method[] call, remember the fact |
| wcontext->set_somebody_entered_some_object(true); | wcontext->set_somebody_entered_some_object(true); |
| //_asm int 3; | //_asm int 3; |
| value=get_element(); | value=get_element(false); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_GET_ELEMENT__WRITE: | case OP_GET_ELEMENT__WRITE: |
| { | { |
| value=get_element(); | value=get_element(false); |
| write_assign_lang(*value); | write_assign_lang(*value); |
| break; | break; |
| } | } |
| case OP_CREATE_EWPOOL: | case OP_OBJECT_POOL: |
| { | { |
| const Array *local_ops=reinterpret_cast<const Array *>(i.next()); | |
| PUSH(wcontext); | PUSH(wcontext); |
| PUSH((void *)flang); | PUSH((void *)flang); |
| flang=String::UL_PASS_APPENDED; | flang=String::UL_PASS_APPENDED; |
| wcontext=NEW WWrapper(pool(), 0 /*empty*/); | WWrapper local(pool(), 0 /*empty*/); |
| break; | wcontext=&local; |
| } | |
| case OP_REDUCE_EWPOOL: | execute(*local_ops); |
| { | |
| value=wcontext->result(); | value=&wcontext->result().as_value(); |
| flang=static_cast<String::Untaint_lang>(reinterpret_cast<int>(POP())); | flang=static_cast<String::Untaint_lang>(reinterpret_cast<int>(POP())); |
| wcontext=static_cast<WContext *>(POP()); | wcontext=static_cast<WContext *>(POP()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_CREATE_SWPOOL: | case OP_STRING_POOL: |
| { | { |
| const Array *local_ops=reinterpret_cast<const Array *>(i.next()); | |
| PUSH(wcontext); | PUSH(wcontext); |
| wcontext=NEW WWrapper(pool(), 0 /*empty*/); | WWrapper local(pool(), 0 /*empty*/); |
| break; | wcontext=&local; |
| } | |
| case OP_REDUCE_SWPOOL: | execute(*local_ops); |
| { | |
| // 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 |
| const String *string=wcontext->get_string(); | const String *string=wcontext->get_string(); |
| Line 330 void Request::execute(const Array& ops) | Line 373 void Request::execute(const Array& ops) |
| // not a code-junction | // not a code-junction |
| Junction *junction=value->get_junction(); | Junction *junction=value->get_junction(); |
| if(!junction) | if(!junction) |
| throw Exception(0, 0, | throw Exception("parser.runtime", |
| &value->name(), | &value->name(), |
| "(%s) not a method or junction, can not call it", | "(%s) not a method or junction, can not call it", |
| value->type()); | value->type()); |
| Line 352 void Request::execute(const Array& ops) | Line 395 void Request::execute(const Array& ops) |
| wcontext->set_constructing(true); | wcontext->set_constructing(true); |
| break; | break; |
| } | } |
| case OP_PREPARE_TO_EXPRESSION: | |
| { | |
| wcontext->set_in_expression(true); | |
| break; | |
| } | |
| case OP_CALL: | case OP_CALL: |
| { | { |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| Line 371 void Request::execute(const Array& ops) | Line 421 void Request::execute(const Array& ops) |
| // this is a constructor call | // this is a constructor call |
| if(Value *value=called_class->create_new_value(pool())) { | if(Value *value=called_class->create_new_value(pool())) { |
| // some stateless_object creatable derivates | // some stateless_class creatable derivates |
| self=value; | self=value; |
| } else { | } else |
| // stateful object | throw Exception("parser.runtime", |
| self=NEW VObject(pool(), *called_class); | &frame->name(), |
| } | "is not a constructor, system class '%s' can be constructed only implicitly", |
| called_class->name().cstr()); | |
| frame->write(*self, | frame->write(*self, |
| String::UL_CLEAN // not used, always an object, not string | String::UL_CLEAN // not used, always an object, not string |
| ); | ); |
| } else | } else |
| throw Exception(0, 0, | throw Exception("parser.runtime", |
| &frame->name(), | &frame->name(), |
| "method is static and can not be used as constructor"); | "method is static and can not be used as constructor"); |
| } else { | } else { |
| Line 400 void Request::execute(const Array& ops) | Line 452 void Request::execute(const Array& ops) |
| } | } |
| frame->set_self(*self); | frame->set_self(*self); |
| root=rcontext=wcontext=frame; | |
| // see OP_PREPARE_TO_EXPRESSION | |
| frame->set_in_expression(wcontext->get_in_expression()); | |
| rcontext=wcontext=frame; | |
| { | { |
| // take object or class from any wrappers | // take object or class from any wrappers |
| // and substitute class alias to the class they are called AS | // and substitute class alias to the class they are called AS |
| Line 414 void Request::execute(const Array& ops) | Line 470 void Request::execute(const Array& ops) |
| method.call_type==call_type) { // allowed call type? | method.call_type==call_type) { // allowed call type? |
| try { | try { |
| if(method.native_code) { // native code? | if(method.native_code) { // native code? |
| // root unchanged, so that ^for ^foreach & co may write to locals | |
| method.check_actual_numbered_params( | method.check_actual_numbered_params( |
| frame->junction.self, | frame->junction.self, |
| frame->name(), frame->numbered_params()); | frame->name(), frame->numbered_params()); |
| Line 421 void Request::execute(const Array& ops) | Line 478 void Request::execute(const Array& ops) |
| *this, | *this, |
| frame->name(), frame->numbered_params()); // execute it | frame->name(), frame->numbered_params()); // execute it |
| } else { // parser code | } else { // parser code |
| if(++anti_endless_execute_recoursion==ANTI_ENDLESS_EXECUTE_RECOURSION) { | root=frame; |
| anti_endless_execute_recoursion=0; // give @exception a chance | // execute it |
| throw Exception(0, 0, | recoursion_checked_execute(&frame->name(), *method.parser_code); |
| &frame->name(), | |
| "endless recursion detected"); | |
| } | |
| execute(*method.parser_code); // execute it | |
| anti_endless_execute_recoursion--; | |
| } | } |
| } catch(...) { | } catch(...) { |
| // record it to stack trace | // record it to stack trace |
| trace.push((void *)&frame->name()); | exception_trace.push((void *)&frame->name()); |
| /*re*/throw; | /*re*/throw; |
| } | } |
| } else | } else |
| throw Exception(0, 0, | throw Exception("parser.runtime", |
| &frame->name(), | &frame->name(), |
| "is not allowed to be called %s", | "is not allowed to be called %s", |
| call_type==Method::CT_STATIC?"statically":"dynamically"); | call_type==Method::CT_STATIC?"statically":"dynamically"); |
| } | } |
| value=wcontext->result(); | value=&wcontext->result().as_value(); // todo CALL_WRITE & VString removal |
| wcontext=static_cast<WContext *>(POP()); | wcontext=static_cast<WContext *>(POP()); |
| rcontext=POP(); | rcontext=POP(); |
| root=POP(); | root=POP(); |
| self=static_cast<VAliased *>(POP()); | self=static_cast<VAliased *>(POP()); |
| #ifdef DEBUG_STRING_APPENDS_VS_EXPANDS | |
| if(const String *s=value->get_string()) | |
| wcontext_result_size+=s->used_rows()*sizeof(String::Chunk::Row); | |
| #endif | |
| PUSH(value); | PUSH(value); |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), "<-returned"); | debug_printf(pool(), "<-returned"); |
| Line 548 void Request::execute(const Array& ops) | Line 604 void Request::execute(const Array& ops) |
| if(!problem_source->origin().file) | if(!problem_source->origin().file) |
| problem_source=&b->name(); | problem_source=&b->name(); |
| #endif | #endif |
| throw Exception(0, 0, | throw Exception("number.zerodivision", |
| problem_source, | problem_source, |
| "Division by zero"); | "Division by zero"); |
| } | } |
| Line 570 void Request::execute(const Array& ops) | Line 626 void Request::execute(const Array& ops) |
| if(!problem_source->origin().file) | if(!problem_source->origin().file) |
| problem_source=&b->name(); | problem_source=&b->name(); |
| #endif | #endif |
| throw Exception(0, 0, | throw Exception("number.zerodivision", |
| problem_source, | problem_source, |
| "Modulus by zero"); | "Modulus by zero"); |
| } | } |
| Line 592 void Request::execute(const Array& ops) | Line 648 void Request::execute(const Array& ops) |
| if(!problem_source->origin().file) | if(!problem_source->origin().file) |
| problem_source=&b->name(); | problem_source=&b->name(); |
| #endif | #endif |
| throw Exception(0, 0, | throw Exception("number.zerodivision", |
| problem_source, | problem_source, |
| "Division by zero"); | "Division by zero"); |
| } | } |
| Line 630 void Request::execute(const Array& ops) | Line 686 void Request::execute(const Array& ops) |
| } | } |
| case OP_LOG_AND: | case OP_LOG_AND: |
| { | { |
| b=POP(); a=POP(); | b_code=POP_CODE(); a=POP(); |
| value=NEW VBool(pool(), a->as_bool() && b->as_bool()); | bool result; |
| if(a->as_bool()) { | |
| execute(*b_code); | |
| b=POP(); | |
| result=b->as_bool(); | |
| } else | |
| result=false; | |
| value=NEW VBool(pool(), result); | |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_LOG_OR: | case OP_LOG_OR: |
| { | { |
| b=POP(); a=POP(); | b_code=POP_CODE(); a=POP(); |
| value=NEW VBool(pool(), a->as_bool() || b->as_bool()); | bool result; |
| if(a->as_bool()) | |
| result=true; | |
| else { | |
| execute(*b_code); | |
| b=POP(); | |
| result=b->as_bool(); | |
| } | |
| value=NEW VBool(pool(), result); | |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| Line 743 void Request::execute(const Array& ops) | Line 814 void Request::execute(const Array& ops) |
| } | } |
| default: | default: |
| throw Exception(0,0, | throw Exception(0, |
| 0, | 0, |
| "invalid opcode %d", op.code); | "invalid opcode %d", op.code); |
| } | } |
| } | } |
| } | } |
| Value *Request::get_element() { | Value *Request::get_element(bool can_call_operator) { |
| const String& name=POP_NAME(); | const String& name=POP_NAME(); |
| Value *ncontext=POP(); | Value *ncontext=POP(); |
| Value *value=ncontext->get_element(name); | Value *value=0; |
| if(!value) | if(can_call_operator) |
| if(Method* method=OP.get_method(name)) { // maybe operator? | if(Method* method=OP.get_method(name)) { // looking operator of that name FIRST |
| // as if that method were in self and we have normal dynamic method here | // as if that method were in self and we have normal dynamic method here |
| Junction& junction=*NEW Junction(pool(), | Junction& junction=*NEW Junction(pool(), |
| *root/*self*/, self->get_class(), method, 0,0,0,0); | *root, self->get_class(), method, 0,0,0,0); |
| value=NEW VJunction(junction); | value=NEW VJunction(junction); |
| } | } |
| if(value) | if(!value) |
| value=&process(*value, &name); // process possible code-junction | value=ncontext->get_element(name); |
| else { | if(value) { |
| value=&process_to_value(*value); // process possible code-junction | |
| value->update_name(name); | |
| } else { | |
| value=NEW VVoid(pool()); | value=NEW VVoid(pool()); |
| value->set_name(name); | value->set_name(name); |
| } | } |
| Line 779 Value *Request::get_element() { | Line 853 Value *Request::get_element() { |
| they want any result[string|object] | they want any result[string|object] |
| 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 | |
| */ | */ |
| Value& Request::process(Value& value, const String *name, bool intercept_string) { | StringOrValue Request::process(Value& input_value, bool intercept_string) { |
| Value *result; | StringOrValue result; |
| Junction *junction=value.get_junction(); | Junction *junction=input_value.get_junction(); |
| if(junction && junction->code) { // is it a code-junction? | if(junction && junction->code) { // is it a code-junction? |
| // process it | // process it |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| Line 793 Value& Request::process(Value& value, co | Line 869 Value& Request::process(Value& value, co |
| PUSH(rcontext); | PUSH(rcontext); |
| PUSH(wcontext); | PUSH(wcontext); |
| WContext *frame; | self=&junction->self; |
| root=junction->root; | |
| rcontext=junction->rcontext; | |
| // for expression method params | // for expression method params |
| // 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" |
| Line 801 Value& Request::process(Value& value, co | Line 880 Value& Request::process(Value& value, co |
| if(using_code_frame) { | if(using_code_frame) { |
| // almost plain wwrapper about junction wcontext, | // almost plain wwrapper about junction wcontext, |
| // BUT intercepts string writes | // BUT intercepts string writes |
| frame=NEW VCodeFrame(pool(), *junction->wcontext); | VCodeFrame local(pool(), *junction->wcontext); |
| } else { | wcontext=&local; |
| // plain wwrapper | |
| frame=NEW WWrapper(pool(), 0/*empty*/); | // execute it |
| } | recoursion_checked_execute(0/*result_name*/, *junction->code); |
| //frame->set_name(value.name()); | |
| wcontext=frame; | |
| self=&junction->self; | |
| root=junction->root; | |
| rcontext=junction->rcontext; | |
| execute(*junction->code); | |
| if(using_code_frame) { | |
| // CodeFrame soul: | // CodeFrame soul: |
| // string writes were intercepted | // string writes were intercepted |
| // returning them as the result of getting code-junction | // returning them as the result of getting code-junction |
| result=NEW VString(*frame->get_string()); | result.set_string(*wcontext->get_string()); |
| } else | } else { |
| result=frame->result(); | // plain wwrapper |
| WWrapper local(pool(), 0/*empty*/); | |
| wcontext=&local; | |
| // execute it | |
| recoursion_checked_execute(0/*result_name*/, *junction->code); | |
| result=wcontext->result(); | |
| } | |
| wcontext=static_cast<WContext *>(POP()); | wcontext=static_cast<WContext *>(POP()); |
| rcontext=POP(); | rcontext=POP(); |
| Line 829 Value& Request::process(Value& value, co | Line 909 Value& Request::process(Value& value, co |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), "<-ja returned"); | debug_printf(pool(), "<-ja returned"); |
| #endif | #endif |
| } else | } else { |
| result=&value; | result.set_value(input_value); |
| } | |
| if(name) | return result; |
| result->set_name(*name); | |
| return *result; | |
| } | } |
| const String *Request::execute_method(Value& aself, const Method& method, | const String *Request::execute_method(Value& aself, const Method& method, |
| bool return_cstr) { | bool return_cstr) { |
| PUSH(self); | PUSH(self); |
| PUSH(root); | PUSH(root); |
| PUSH(rcontext); | PUSH(rcontext); |
| Line 846 const String *Request::execute_method(Va | Line 924 const String *Request::execute_method(Va |
| // initialize contexts | // initialize contexts |
| root=rcontext=self=&aself; | root=rcontext=self=&aself; |
| wcontext=NEW WWrapper(pool(), &aself); | WWrapper local(pool(), &aself); |
| wcontext=&local; | |
| // execute! | |
| execute(*method.parser_code); | |
| // result | |
| const String *result=return_cstr ? &wcontext->as_string() : 0; | |
| wcontext=static_cast<WContext *>(POP()); | |
| rcontext=POP(); | |
| root=POP(); | |
| self=static_cast<VAliased *>(POP()); | |
| // return | |
| return result; | |
| } | |
| const String& Request::execute_method(VMethodFrame& amethodFrame, const Method& method) { | |
| PUSH(self); | |
| PUSH(root); | |
| PUSH(rcontext); | |
| PUSH(wcontext); | |
| // initialize contexts | |
| root=rcontext=self=&amethodFrame; | |
| wcontext=&amethodFrame; | |
| // execute! | // execute! |
| execute(*method.parser_code); | execute(*method.parser_code); |
| // result | // result |
| const String *result; | const String& result=wcontext->as_string(); |
| if(return_cstr) | |
| result=&wcontext->as_string(); | |
| else | |
| result=0; // ignore result | |
| wcontext=static_cast<WContext *>(POP()); | wcontext=static_cast<WContext *>(POP()); |
| rcontext=POP(); | rcontext=POP(); |
| Line 868 const String *Request::execute_method(Va | Line 968 const String *Request::execute_method(Va |
| } | } |
| const String *Request::execute_virtual_method(Value& aself, | const String *Request::execute_virtual_method(Value& aself, |
| const String& method_name, | const String& method_name) { |
| bool return_cstr) { | |
| if(Value *value=aself.get_element(method_name)) | 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, return_cstr); | return execute_method(aself, *method, true /*return_cstr*/); |
| return 0; | return 0; |
| } | } |
| const String *Request::execute_nonvirtual_method(VStateless_class& aclass, | const String *Request::execute_nonvirtual_method(VStateless_class& aclass, |
| const String& method_name, | const String& method_name, |
| bool return_cstr) { | bool return_cstr) { |
| if(const Method *method=aclass.get_method(method_name)) | if(const Method *method=aclass.get_method(method_name)) |
| return execute_method(aclass, *method, return_cstr); | return execute_method(aclass, *method, return_cstr); |