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| version 1.292, 2002/11/01 06:18:06 | version 1.295.2.26, 2003/03/12 10:47:13 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: executor part of request class. | Parser: executor part of request class. |
| Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2003 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 23 static const char* IDENT_EXECUTE_C="$Dat | Line 23 static const char* IDENT_EXECUTE_C="$Dat |
| #include "pa_vimage.h" | #include "pa_vimage.h" |
| #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 | |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| char *opcode_name[]={ | char *opcode_name[]={ |
| Line 62 char *opcode_name[]={ | Line 54 char *opcode_name[]={ |
| "IS" | "IS" |
| }; | }; |
| void va_debug_printf(Pool& pool, 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); |
| SAPI::log(pool, "%s", buf); | SAPI::log(sapi_info, "%s", buf); |
| } | } |
| void debug_printf(Pool& pool, 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(pool,fmt,args); | va_debug_printf(sapi_info, fmt, args); |
| va_end(args); | va_end(args); |
| } | } |
| void debug_dump(Pool& pool, int level, const Array& ops) { | void debug_dump(SAPI_Info& sapi_info, Pool& pool, int level, ArrayOperation& ops) { |
| Array_iter i(ops); | Array_iterator<Operation> i(ops); |
| while(i.has_next()) { | while(i.has_next()) { |
| Operation op; | Operation& op=i.next(); |
| op.cast=i.next(); | |
| if(op.code==OP_VALUE || op.code==OP_STRING__WRITE) { | if(op.code==OP_VALUE || op.code==OP_STRING__WRITE) { |
| Value *value=static_cast<Value *>(i.next()); | ValuePtr value=i.next().value; |
| debug_printf(pool, | debug_printf(sapi_info, |
| "%*s%s" | "%*s%s" |
| " \"%s\" %s", | " \"%s\" %s", |
| level*4, "", opcode_name[op.code], | level*4, "", opcode_name[op.code], |
| value->get_string()->cstr(), value->type()); | value->get_string(&pool)->cstr().get(), value->type()); |
| continue; | continue; |
| } | } |
| debug_printf(pool, "%*s%s", level*4, "", opcode_name[op.code]); | debug_printf(sapi_info, "%*s%s", level*4, "", opcode_name[op.code]); |
| switch(op.code) { | switch(op.code) { |
| case OP_CURLY_CODE__STORE_PARAM: | case OP_CURLY_CODE__STORE_PARAM: |
| Line 100 void debug_dump(Pool& pool, int level, c | Line 91 void debug_dump(Pool& pool, int level, c |
| case OP_OBJECT_POOL: | case OP_OBJECT_POOL: |
| case OP_STRING_POOL: | case OP_STRING_POOL: |
| case OP_CALL: | case OP_CALL: |
| const Array *local_ops=reinterpret_cast<const Array *>(i.next()); | case OP_CALL__WRITE: |
| debug_dump(pool, level+1, *local_ops); | if(ArrayOperation* local_ops=i.next().ops.get()) |
| debug_dump(sapi_info, pool, level+1, *local_ops); | |
| } | } |
| } | } |
| } | } |
| #endif | #endif |
| #define PUSH(value) stack.push(value) | // Request |
| #define POP() static_cast<Value *>(stack.pop()) | |
| #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(ArrayOperation& ops) { |
| // _asm int 3; | // _asm int 3; |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), "source----------------------------\n"); | debug_printf(sapi_info, "source----------------------------\n"); |
| debug_dump(pool(), 0, ops); | debug_dump(sapi_info, pool(), 0, ops); |
| debug_printf(pool(), "execution-------------------------\n"); | debug_printf(sapi_info, "execution-------------------------\n"); |
| #endif | #endif |
| const String *last_get_element_name=0; | StringPtr last_get_element_name(0); |
| Array_iterator<Operation> i(ops); | |
| ValuePtr value; | |
| ValuePtr a; ValuePtr b; | |
| //ArrayOperationPtr b_code; | |
| StringPtr name; | |
| ValuePtr ncontext; | |
| ArrayOperationPtr local_ops; | |
| Array_iter i(ops); | |
| while(i.has_next()) { | while(i.has_next()) { |
| Operation op; | if(get_interrupted()) { |
| op.cast=i.next(); | set_interrupted(false); |
| throw Exception("parser.interrupted", | |
| Exception::undefined_source, | |
| "execution stopped"); | |
| } | |
| Operation& op=i.next(); | |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), "%d:%s", stack.top_index()+1, opcode_name[op.code]); | debug_printf(sapi_info, "%d:%s", stack.top_index()+1, opcode_name[op.code]); |
| #endif | #endif |
| Value *value; | |
| 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: |
| { | { |
| value=static_cast<Value *>(i.next()); | value=i.next().value; |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), " \"%s\" %s", value->get_string()->cstr(), value->type()); | debug_printf(sapi_info, " \"%s\" %s", value->get_string(&pool())->cstr().get(), value->type()); |
| #endif | #endif |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_GET_CLASS: | case OP_GET_CLASS: |
| Line 148 void Request::execute(const Array& ops) | Line 149 void Request::execute(const Array& ops) |
| // 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=POP_NAME(); | name=stack.pop().string(pool()); |
| value=static_cast<Value *>(classes().get(name)); | value=classes().get(name); |
| if(!value) | if(!value) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| &name, | StringPtr(name), |
| "class is undefined"); | "class is undefined"); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| // OP_WITH | // OP_WITH |
| case OP_WITH_ROOT: | case OP_WITH_ROOT: |
| { | { |
| PUSH(method_frame); | stack.push(ValuePtr(method_frame)); |
| break; | break; |
| } | } |
| case OP_WITH_SELF: | case OP_WITH_SELF: |
| { | { |
| PUSH(get_self()); | stack.push(ValuePtr(get_self())); |
| break; | break; |
| } | } |
| case OP_WITH_READ: | case OP_WITH_READ: |
| { | { |
| PUSH(rcontext); | stack.push(ValuePtr(rcontext)); |
| break; | break; |
| } | } |
| case OP_WITH_WRITE: | case OP_WITH_WRITE: |
| { | { |
| if(wcontext==method_frame) | if(wcontext==method_frame) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| 0, | Exception::undefined_source, |
| "$.name outside of $name[...]"); | "$.name outside of $name[...]"); |
| PUSH(wcontext); | stack.push(ValuePtr(wcontext)); |
| break; | break; |
| } | } |
| // OTHER ACTIONS BUT WITHs | // OTHER ACTIONS BUT WITHs |
| case OP_CONSTRUCT_VALUE: | case OP_CONSTRUCT_VALUE: |
| { | { |
| value=POP(); | value=stack.pop().value; |
| const String& name=POP_NAME(); | name=stack.pop().string(pool()); |
| Value *ncontext=POP(); | ncontext=stack.pop().value; |
| ncontext->put_element(name, value, false); | ncontext->put_element(name, value, false); |
| break; | break; |
| } | } |
| Line 200 void Request::execute(const Array& ops) | Line 201 void Request::execute(const Array& ops) |
| // see OP_PREPARE_TO_EXPRESSION | // see OP_PREPARE_TO_EXPRESSION |
| wcontext->set_in_expression(false); | wcontext->set_in_expression(false); |
| value=POP(); | value=stack.pop().value; |
| const String& name=POP_NAME(); | name=stack.pop().string(pool()); |
| Value *ncontext=POP(); | ncontext=stack.pop().value; |
| ncontext->put_element(name, value->as_expr_result(), false); | ncontext->put_element(name, value->as_expr_result(), false); |
| break; | break; |
| } | } |
| case OP_CURLY_CODE__CONSTRUCT: | case OP_CURLY_CODE__CONSTRUCT: |
| { | { |
| const Array *local_ops=reinterpret_cast<const Array *>(i.next()); | local_ops=i.next().ops; |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), " (%d)\n", local_ops->size()); | debug_printf(sapi_info, " (%d)\n", local_ops->count()); |
| debug_dump(pool(), 1, *local_ops); | debug_dump(sapi_info, pool(), 1, *local_ops); |
| #endif | #endif |
| Junction& j=*NEW Junction(pool(), | value=ValuePtr(new VJunction(JunctionPtr(new Junction( |
| *get_self(), 0, | get_self(), 0, |
| method_frame, | method_frame, |
| rcontext, | rcontext, |
| wcontext, | wcontext, |
| local_ops); | local_ops)))); |
| value=NEW VJunction(j); | name=stack.pop().string(pool()); |
| const String& name=POP_NAME(); | ncontext=stack.pop().value; |
| Value *ncontext=POP(); | |
| ncontext->put_element(name, value, false); | ncontext->put_element(name, value, false); |
| break; | break; |
| } | } |
| case OP_NESTED_CODE: | case OP_NESTED_CODE: |
| { | { |
| Array *local_ops=static_cast<Array *>(i.next()); | local_ops=i.next().ops; |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), " (%d)\n", local_ops->size()); | debug_printf(sapi_info, " (%d)\n", local_ops->count()); |
| debug_dump(pool(), 1, *local_ops); | debug_dump(sapi_info, pool(), 1, *local_ops); |
| #endif | #endif |
| PUSH(local_ops); | stack.push(local_ops); |
| break; | break; |
| } | } |
| case OP_WRITE_VALUE: | case OP_WRITE_VALUE: |
| { | { |
| value=POP(); | value=stack.pop().value; |
| write_assign_lang(*value, last_get_element_name); | write_assign_lang(value, last_get_element_name); |
| break; | break; |
| } | } |
| case OP_WRITE_EXPR_RESULT: | case OP_WRITE_EXPR_RESULT: |
| { | { |
| value=POP(); | value=stack.pop().value; |
| write_no_lang(*value->as_expr_result()); | write_no_lang(value->as_expr_result()); |
| // must be after write(result) and | // must be after write(result) and |
| // see OP_PREPARE_TO_EXPRESSION | // see OP_PREPARE_TO_EXPRESSION |
| Line 254 void Request::execute(const Array& ops) | Line 254 void Request::execute(const Array& ops) |
| } | } |
| case OP_STRING__WRITE: | case OP_STRING__WRITE: |
| { | { |
| VString *vstring=static_cast<VString *>(i.next()); | value=i.next().value; |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), " \"%s\"", vstring->string().cstr()); | debug_printf(sapi_info, " \"%s\"", value->get_string(0)->cstr().get()); |
| #endif | #endif |
| write_no_lang(vstring->string()); | write_no_lang(*value->get_string(0)); |
| break; | break; |
| } | } |
| case OP_GET_ELEMENT_OR_OPERATOR: | case OP_GET_ELEMENT_OR_OPERATOR: |
| { | { |
| value=get_element(last_get_element_name, true); | value=get_element(last_get_element_name, true); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_GET_ELEMENT: | case OP_GET_ELEMENT: |
| { | { |
| value=get_element(last_get_element_name, false); | value=get_element(last_get_element_name, false); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_GET_ELEMENT__WRITE: | case OP_GET_ELEMENT__WRITE: |
| { | { |
| value=get_element(last_get_element_name/*not followed by call, not needed really*/, false); | value=get_element(last_get_element_name/*not followed by call, not needed really*/, false); |
| write_assign_lang(*value, last_get_element_name); | write_assign_lang(value, last_get_element_name); |
| break; | break; |
| } | } |
| case OP_OBJECT_POOL: | case OP_OBJECT_POOL: |
| { | { |
| const Array *local_ops=reinterpret_cast<const Array *>(i.next()); | local_ops=i.next().ops; |
| WContext *saved_wcontext=wcontext; | WContext *saved_wcontext=wcontext; |
| uchar saved_lang= flang; | String_UL saved_lang=flang; |
| flang=String::UL_PASS_APPENDED; | flang=String::UL_PASS_APPENDED; |
| WWrapper local(pool(), 0 /*empty*/, wcontext); | WWrapper local(ValuePtr(0)/*empty*/, wcontext); local.ref(); |
| wcontext=&local; | wcontext=&local; |
| execute(*local_ops); | execute(*local_ops); |
| value=&wcontext->result().as_value(); | value=wcontext->result().as_value(); |
| flang=saved_lang; | flang=saved_lang; |
| wcontext=saved_wcontext; | wcontext=saved_wcontext; |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STRING_POOL: | case OP_STRING_POOL: |
| { | { |
| const Array *local_ops=reinterpret_cast<const Array *>(i.next()); | local_ops=i.next().ops; |
| WContext *saved_wcontext=wcontext; | WContext *saved_wcontext=wcontext; |
| WWrapper local(pool(), 0 /*empty*/, wcontext); | WWrapper local(ValuePtr(0) /*empty*/, wcontext); local.ref(); |
| wcontext=&local; | wcontext=&local; |
| execute(*local_ops); | 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(); | if(StringPtr string=wcontext->get_string(&pool())) |
| Value *value; | value=ValuePtr(new VString(string)); |
| if(string) | |
| value=NEW VString(*string); | |
| else | else |
| NEW VVoid(pool()); | value=ValuePtr(new VVoid); |
| wcontext=saved_wcontext; | wcontext=saved_wcontext; |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| // CALL | // CALL |
| case OP_STORE_PARAM: | case OP_STORE_PARAM: |
| { | { |
| value=POP(); | value=stack.pop().value; |
| VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value()); | VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value().ptr); |
| // this op is executed from CALL local_ops only, so can not check method_frame_to_fill==0 | // this op is executed from CALL local_ops only, so may skip the check "method_frame_to_fill==0" |
| frame->store_param(value); | frame->store_param(value); |
| break; | break; |
| } | } |
| Line 338 void Request::execute(const Array& ops) | Line 337 void Request::execute(const Array& ops) |
| case OP_EXPR_CODE__STORE_PARAM: | case OP_EXPR_CODE__STORE_PARAM: |
| { | { |
| // code | // code |
| const Array *local_ops=reinterpret_cast<const Array *>(i.next()); | local_ops=i.next().ops; |
| VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value()); | VMethodFrame *frame=static_cast<VMethodFrame *>(stack.top_value().ptr); |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), " (%d)\n", local_ops->size()); | debug_printf(sapi_info, " (%d)\n", local_ops->count()); |
| debug_dump(pool(), 1, *local_ops); | debug_dump(sapi_info, pool(), 1, *local_ops); |
| #endif | #endif |
| // when they evaluate expression parameter, | // when they evaluate expression parameter, |
| // the object expression result | // the object expression result |
| Line 351 void Request::execute(const Array& ops) | Line 350 void Request::execute(const Array& ops) |
| // 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" |
| Junction& j=*NEW Junction(pool(), | value=ValuePtr(new VJunction(JunctionPtr(new Junction( |
| *get_self(), 0, | get_self(), 0, |
| method_frame, | method_frame, |
| rcontext, | rcontext, |
| op.code==OP_EXPR_CODE__STORE_PARAM?0:wcontext, | op.code==OP_EXPR_CODE__STORE_PARAM?0:wcontext, |
| local_ops); | local_ops)))); |
| value=NEW VJunction(j); | |
| // store param | // store param |
| // this op is executed from CALL local_ops only, so can not check method_frame_to_fill==0 | // this op is executed from CALL local_ops only, so can not check method_frame_to_fill==0 |
| frame->store_param(value); | frame->store_param(value); |
| Line 381 void Request::execute(const Array& ops) | Line 377 void Request::execute(const Array& ops) |
| case OP_CALL: | case OP_CALL: |
| case OP_CALL__WRITE: | case OP_CALL__WRITE: |
| { | { |
| Array *local_ops=static_cast<Array *>(i.next()); | local_ops=i.next().ops; |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), " (%d)\n", local_ops->size()); | debug_printf(sapi_info, " (%d)\n", local_ops?local_ops->count():0); |
| debug_dump(pool(), 1, *local_ops); | if(local_ops) |
| debug_dump(sapi_info, pool(), 1, *local_ops); | |
| debug_printf(pool(), "->\n"); | debug_printf(sapi_info, "->\n"); |
| #endif | #endif |
| value=POP(); | value=stack.pop().value; |
| Junction *junction=value->get_junction(); | JunctionPtr junction=value->get_junction(); |
| if(!junction) | if(!junction) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| last_get_element_name, | last_get_element_name, |
| Line 409 void Request::execute(const Array& ops) | Line 406 void Request::execute(const Array& ops) |
| value->type()); | value->type()); |
| */ | */ |
| VMethodFrame frame(pool(), *last_get_element_name, *junction, method_frame/*caller*/); | VMethodFrame frame(pool(), last_get_element_name, *junction, method_frame/*caller*/); frame.ref(); |
| if(local_ops){ // store param code goes here | if(local_ops){ // store param code goes here |
| PUSH(&frame); // argument for *STORE_PARAM ops | stack.push(&frame); // argument for *STORE_PARAM ops |
| execute(*local_ops); | execute(*local_ops); |
| POP(); | stack.pop().value; |
| } | } |
| frame.fill_unspecified_params(); | frame.fill_unspecified_params(); |
| 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; |
| VStateless_class *called_class=frame.junction.self.get_class(); | VStateless_class *called_class=frame.junction.self->get_class(); |
| Value *new_self=get_self(); | ValuePtr new_self=get_self(); |
| if(wcontext->get_constructing()) { | if(wcontext->get_constructing()) { |
| wcontext->set_constructing(false); | wcontext->set_constructing(false); |
| if(frame.junction.method->call_type!=Method::CT_STATIC) { | if(frame.junction.method->call_type!=Method::CT_STATIC) { |
| // this is a constructor call | // this is a constructor call |
| if(Value *value=called_class->create_new_value(pool())) { | if(ValuePtr value=called_class->create_new_value()) { |
| // some stateless_class creatable derivates | // some stateless_class creatable derivates |
| new_self=value; | new_self=value; |
| } else | } else |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| &frame.name(), | frame.name(), |
| "is not a constructor, system class '%s' can be constructed only implicitly", | "is not a constructor, system class '%s' can be constructed only implicitly", |
| called_class->name().cstr()); | (char*)called_class->name()->cstr()); |
| frame.write(*new_self, | frame.write(new_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("parser.runtime", | 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 |
| new_self=&frame.junction.self; | new_self=frame.junction.self; |
| frame.set_self(*new_self); | frame.set_self(new_self); |
| // see OP_PREPARE_TO_EXPRESSION | // see OP_PREPARE_TO_EXPRESSION |
| frame.set_in_expression(wcontext->get_in_expression()); | frame.set_in_expression(wcontext->get_in_expression()); |
| Line 455 void Request::execute(const Array& ops) | Line 452 void Request::execute(const Array& ops) |
| { | { |
| const Method& method=*frame.junction.method; | const Method& method=*frame.junction.method; |
| Method::Call_type call_type= | Method::Call_type call_type= |
| called_class==new_self ? Method::CT_STATIC : Method::CT_DYNAMIC; | called_class==new_self.get() ? Method::CT_STATIC : Method::CT_DYNAMIC; |
| if( | if( |
| method.call_type==Method::CT_ANY || | method.call_type==Method::CT_ANY || |
| method.call_type==call_type) { // allowed call type? | method.call_type==call_type) { // allowed call type? |
| #if _MSC_VER & !defined(_DEBUG) | |
| try { | try { |
| #endif | |
| method_frame=&frame; | method_frame=&frame; |
| if(method.native_code) { // native code? | if(method.native_code) { // native code? |
| 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()); |
| method.native_code( | method.native_code( |
| *this, | *this, |
| frame.name(), frame.numbered_params()); // execute it | frame.name(), frame.numbered_params()); // execute it |
| } else // parser code, execute it | } else // parser code, execute it |
| recoursion_checked_execute(&frame.name(), *method.parser_code); | recoursion_checked_execute(frame.name(), *method.parser_code); |
| #if _MSC_VER & !defined(_DEBUG) | |
| } catch(...) { | } catch(...) { |
| // record it to stack trace | // record it to stack trace |
| exception_trace.push((void *)&frame.name()); | exception_trace.push(frame.name()); |
| /*re*/throw; | rethrow; |
| } | } |
| #endif | |
| } else | } else |
| throw Exception("parser.runtime", | 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"); |
| Line 488 void Request::execute(const Array& ops) | Line 489 void Request::execute(const Array& ops) |
| rcontext=saved_rcontext; | rcontext=saved_rcontext; |
| method_frame=saved_method_frame; | method_frame=saved_method_frame; |
| #ifdef DEBUG_STRING_APPENDS_VS_EXPANDS | |
| if(const String *s=value->get_string()) | |
| wcontext_result_size+=s->used_rows()*sizeof(String::Chunk::Row); | |
| #endif | |
| if(op.code==OP_CALL__WRITE) { | if(op.code==OP_CALL__WRITE) { |
| write_assign_lang(result, last_get_element_name); | write_assign_lang(result, last_get_element_name); |
| } else { // OP_CALL | } else { // OP_CALL |
| PUSH(&result.as_value()); | stack.push(result.as_value()); |
| } | } |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), "<-returned"); | debug_printf(sapi_info, "<-returned"); |
| #endif | #endif |
| break; | break; |
| } | } |
| Line 508 void Request::execute(const Array& ops) | Line 504 void Request::execute(const Array& ops) |
| // expression ops: unary | // expression ops: unary |
| case OP_NEG: | case OP_NEG: |
| { | { |
| Value *operand=POP(); | a=stack.pop().value; |
| value=NEW VDouble(pool(), -operand->as_double()); | value=ValuePtr(new VDouble(-a->as_double())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_INV: | case OP_INV: |
| { | { |
| Value *operand=POP(); | a=stack.pop().value; |
| value=NEW VDouble(pool(), ~operand->as_int()); | value=ValuePtr(new VDouble(~a->as_int())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NOT: | case OP_NOT: |
| { | { |
| Value *operand=POP(); | a=stack.pop().value; |
| value=NEW VBool(pool(), !operand->as_bool()); | value=ValuePtr(new VBool(!a->as_bool())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_DEF: | case OP_DEF: |
| { | { |
| Value *operand=POP(); | a=stack.pop().value; |
| value=NEW VBool(pool(), operand->is_defined()); | value=ValuePtr(new VBool(a->is_defined())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_IN: | case OP_IN: |
| { | { |
| /// @test String::cmp | /// @test String::cmp |
| Value *operand=POP(); | a=stack.pop().value; |
| const char *path=operand->as_string().cstr(); | CharPtr path=a->as_string(&pool())->cstr(); |
| value=NEW VBool(pool(), | value=ValuePtr(new VBool( |
| info.uri && strncmp(path, info.uri, strlen(path))==0); | request_info.uri && strncmp(path, request_info.uri, strlen(path))==0)); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_FEXISTS: | case OP_FEXISTS: |
| { | { |
| Value *operand=POP(); | a=stack.pop().value; |
| value=NEW VBool(pool(), | value=ValuePtr(new VBool( |
| file_readable(absolute(operand->as_string()))); | file_readable(absolute(a->as_string(&pool()))))); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_DEXISTS: | case OP_DEXISTS: |
| { | { |
| Value *operand=POP(); | a=stack.pop().value; |
| value=NEW VBool(pool(), | value=ValuePtr(new VBool( |
| dir_readable(absolute(operand->as_string()))); | dir_readable(absolute(a->as_string(&pool()))))); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| // expression ops: binary | // expression ops: binary |
| case OP_SUB: | case OP_SUB: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VDouble(pool(), a->as_double() - b->as_double()); | value=ValuePtr(new VDouble(a->as_double() - b->as_double())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_ADD: | case OP_ADD: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VDouble(pool(), a->as_double() + b->as_double()); | value=ValuePtr(new VDouble(a->as_double() + b->as_double())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_MUL: | case OP_MUL: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VDouble(pool(), a->as_double() * b->as_double()); | value=ValuePtr(new VDouble(a->as_double() * b->as_double())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_DIV: | case OP_DIV: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| double a_double=a->as_double(); | double a_double=a->as_double(); |
| double b_double=b->as_double(); | double b_double=b->as_double(); |
| if(b_double == 0) { | if(b_double == 0) { |
| const String *problem_source=&b->as_string(); | StringPtr problem_source=b->as_string(&pool()); |
| throw Exception("number.zerodivision", | throw Exception("number.zerodivision", |
| problem_source, | problem_source, |
| "Division by zero"); | "Division by zero"); |
| } | } |
| value=NEW VDouble(pool(), a_double / b_double); | value=ValuePtr(new VDouble(a_double / b_double)); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_MOD: | case OP_MOD: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| double a_double=a->as_double(); | double a_double=a->as_double(); |
| double b_double=b->as_double(); | double b_double=b->as_double(); |
| if(b_double == 0) { | if(b_double == 0) { |
| const String *problem_source=&b->as_string(); | StringPtr problem_source=b->as_string(&pool()); |
| throw Exception("number.zerodivision", | throw Exception("number.zerodivision", |
| problem_source, | problem_source, |
| "Modulus by zero"); | "Modulus by zero"); |
| } | } |
| value=NEW VDouble(pool(), fmod(a_double, b_double)); | value=ValuePtr(new VDouble(fmod(a_double, b_double))); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_INTDIV: | case OP_INTDIV: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| int a_int=a->as_int(); | int a_int=a->as_int(); |
| int b_int=b->as_int(); | int b_int=b->as_int(); |
| if(b_int == 0) { | if(b_int == 0) { |
| const String *problem_source=&b->as_string(); | StringPtr problem_source=b->as_string(&pool()); |
| throw Exception("number.zerodivision", | throw Exception("number.zerodivision", |
| problem_source, | problem_source, |
| "Division by zero"); | "Division by zero"); |
| } | } |
| value=NEW VInt(pool(), a_int / b_int); | value=ValuePtr(new VInt(a_int / b_int)); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_SL: | case OP_BIN_SL: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VInt(pool(), | value=ValuePtr(new VInt( |
| a->as_int() << | a->as_int() << |
| b->as_int()); | b->as_int())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_SR: | case OP_BIN_SR: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VInt(pool(), | value=ValuePtr(new VInt( |
| a->as_int() >> | a->as_int() >> |
| b->as_int()); | b->as_int())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_AND: | case OP_BIN_AND: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VInt(pool(), | value=ValuePtr(new VInt( |
| a->as_int() & | a->as_int() & |
| b->as_int()); | b->as_int())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_OR: | case OP_BIN_OR: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VInt(pool(), | value=ValuePtr(new VInt( |
| a->as_int() | | a->as_int() | |
| b->as_int()); | b->as_int())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_BIN_XOR: | case OP_BIN_XOR: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VInt(pool(), | value=ValuePtr(new VInt( |
| a->as_int() ^ | a->as_int() ^ |
| b->as_int()); | b->as_int())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_LOG_AND: | case OP_LOG_AND: |
| { | { |
| b_code=POP_CODE(); a=POP(); | local_ops=stack.pop().ops; a=stack.pop().value; |
| bool result; | bool result; |
| if(a->as_bool()) { | if(a->as_bool()) { |
| execute(*b_code); | execute(*local_ops); |
| b=POP(); | b=stack.pop().value; |
| result=b->as_bool(); | result=b->as_bool(); |
| } else | } else |
| result=false; | result=false; |
| value=NEW VBool(pool(), result); | value=ValuePtr(new VBool(result)); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_LOG_OR: | case OP_LOG_OR: |
| { | { |
| b_code=POP_CODE(); a=POP(); | local_ops=stack.pop().ops; a=stack.pop().value; |
| bool result; | bool result; |
| if(a->as_bool()) | if(a->as_bool()) |
| result=true; | result=true; |
| else { | else { |
| execute(*b_code); | execute(*local_ops); |
| b=POP(); | b=stack.pop().value; |
| result=b->as_bool(); | result=b->as_bool(); |
| } | } |
| value=NEW VBool(pool(), result); | value=ValuePtr(new VBool(result)); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_LOG_XOR: | case OP_LOG_XOR: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VBool(pool(), a->as_bool() ^ b->as_bool()); | value=ValuePtr(new VBool(a->as_bool() ^ b->as_bool())); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_LT: | case OP_NUM_LT: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| double result=a->as_double() - b->as_double(); | double result=a->as_double() - b->as_double(); |
| value=NEW VBool(pool(), result < 0.0); | value=ValuePtr(new VBool(result < 0.0)); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_GT: | case OP_NUM_GT: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| double result=a->as_double() - b->as_double(); | double result=a->as_double() - b->as_double(); |
| value=NEW VBool(pool(), result > 0.0); | value=ValuePtr(new VBool(result > 0.0)); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_LE: | case OP_NUM_LE: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| double result=a->as_double() - b->as_double(); | double result=a->as_double() - b->as_double(); |
| value=NEW VBool(pool(), result <= 0.0); | value=ValuePtr(new VBool(result <= 0.0)); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_GE: | case OP_NUM_GE: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| double result=a->as_double() - b->as_double(); | double result=a->as_double() - b->as_double(); |
| value=NEW VBool(pool(), result >= 0.0); | value=ValuePtr(new VBool(result >= 0.0)); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_EQ: | case OP_NUM_EQ: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| double result=a->as_double() - b->as_double(); | double result=a->as_double() - b->as_double(); |
| value=NEW VBool(pool(), result == 0.0); | value=ValuePtr(new VBool(result == 0.0)); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_NUM_NE: | case OP_NUM_NE: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| double result=a->as_double() - b->as_double(); | double result=a->as_double() - b->as_double(); |
| value=NEW VBool(pool(), result != 0.0); | value=ValuePtr(new VBool(result != 0.0)); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_LT: | case OP_STR_LT: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VBool(pool(), a->as_string() < b->as_string()); | value=ValuePtr(new VBool(*a->as_string(&pool()) < *b->as_string(&pool()))); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_GT: | case OP_STR_GT: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VBool(pool(), a->as_string() > b->as_string()); | value=ValuePtr(new VBool(*a->as_string(&pool()) > *b->as_string(&pool()))); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_LE: | case OP_STR_LE: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VBool(pool(), a->as_string() <= b->as_string()); | value=ValuePtr(new VBool(*a->as_string(&pool()) <= *b->as_string(&pool()))); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_GE: | case OP_STR_GE: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VBool(pool(), a->as_string() >= b->as_string()); | value=ValuePtr(new VBool(*a->as_string(&pool()) >= *b->as_string(&pool()))); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_EQ: | case OP_STR_EQ: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VBool(pool(), a->as_string() == b->as_string()); | value=ValuePtr(new VBool(*a->as_string(&pool()) == *b->as_string(&pool()))); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_STR_NE: | case OP_STR_NE: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VBool(pool(), a->as_string() != b->as_string()); | value=ValuePtr(new VBool(*a->as_string(&pool()) != *b->as_string(&pool()))); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| case OP_IS: | case OP_IS: |
| { | { |
| b=POP(); a=POP(); | b=stack.pop().value; a=stack.pop().value; |
| value=NEW VBool(pool(), a->is(b->as_string().cstr())); | value=ValuePtr(new VBool(a->is(b->as_string(&pool())->cstr()))); |
| PUSH(value); | stack.push(value); |
| break; | break; |
| } | } |
| default: | default: |
| throw Exception(0, | throw Exception(Exception::undefined_type, |
| 0, | Exception::undefined_source, |
| "invalid opcode %d", op.code); | "invalid opcode %d", op.code); |
| } | } |
| } | } |
| Line 828 void Request::execute(const Array& ops) | Line 824 void Request::execute(const Array& ops) |
| @todo cache|prepare junctions | @todo cache|prepare junctions |
| @bug ^superbase:method would dynamically call ^base:method if there is any | @bug ^superbase:method would dynamically call ^base:method if there is any |
| */ | */ |
| Value *Request::get_element(const String *& remember_name, bool can_call_operator) { | ValuePtr Request::get_element(StringPtr& remember_name, bool can_call_operator) { |
| const String& name=POP_NAME(); remember_name=&name; | StringPtr name=stack.pop().string(pool()); remember_name=name; |
| Value *ncontext=POP(); | ValuePtr ncontext=stack.pop().value; |
| Value *value=0; | ValuePtr value; |
| if(can_call_operator) { | if(can_call_operator) { |
| if(Method* method=main_class.get_method(name)) { // looking operator of that name FIRST | if(MethodPtr method=main_class->get_method(name)) // looking operator of that name FIRST |
| Junction& junction=*NEW Junction(pool(), | value=ValuePtr(new VJunction(JunctionPtr(new Junction( |
| main_class, method, 0,0,0,0); | main_class, method.get(), 0,0,0, ArrayOperationPtr(0))))); |
| value=NEW VJunction(junction); | |
| } | |
| } | } |
| if(!value) { | if(!value) { |
| if(!wcontext->get_constructing() // not constructing | if(!wcontext->get_constructing() // not constructing |
| Line 845 Value *Request::get_element(const String | Line 839 Value *Request::get_element(const String |
| if(VStateless_class *called_class=ncontext->get_class()) | if(VStateless_class *called_class=ncontext->get_class()) |
| if(VStateless_class *read_class=rcontext->get_class()) | if(VStateless_class *read_class=rcontext->get_class()) |
| if(read_class->derived_from(*called_class)) // current derived from called | if(read_class->derived_from(*called_class)) // current derived from called |
| if(Value *base=get_self()->base()) { // doing DYNAMIC call | if(ValuePtr base=get_self()->base()) { // doing DYNAMIC call |
| Temp_derived temp_derived(*base, 0); // temporarily prevent go-back-down virtual calls | Temp_derived temp_derived(*base, VObjectPtr(0)); // temporarily prevent go-back-down virtual calls |
| value=base->get_element(name, *base, false); // virtual-up lookup starting from parent | value=base->get_element(name, *base, false); // virtual-up lookup starting from parent |
| goto value_ready; | goto value_ready; |
| } | } |
| Line 855 Value *Request::get_element(const String | Line 849 Value *Request::get_element(const String |
| value=ncontext->get_element(name, *ncontext, false); | value=ncontext->get_element(name, *ncontext, false); |
| if(value && wcontext->get_constructing()) | if(value && wcontext->get_constructing()) |
| if(Junction *junction=value->get_junction()) { | if(JunctionPtr junction=value->get_junction()) { |
| if(junction->self.get_class()!=ncontext) | if(junction->self->get_class()!=ncontext.get()) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| &name, | name, |
| "constructor must be declared in class %s", ncontext->get_class()->name_cstr()); | "constructor must be declared in class '%s'", |
| ncontext->get_class()->name_cstr()); | |
| } | } |
| value_ready: | value_ready: |
| if(value) | if(value) |
| value=&process_to_value(*value); // process possible code-junction | value=process_to_value(value); // process possible code-junction |
| else | else |
| value=NEW VVoid(pool()); | value=ValuePtr(new VVoid); |
| return value; | return value; |
| } | } |
| Line 882 value_ready: | Line 877 value_ready: |
| 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(ValuePtr input_value, bool intercept_string) { |
| StringOrValue result; | StringOrValue result; |
| Junction *junction=input_value.get_junction(); | JunctionPtr 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 |
| debug_printf(pool(), "ja->\n"); | debug_printf(sapi_info, "ja->\n"); |
| #endif | #endif |
| if(!junction->method_frame) | if(!junction->method_frame) |
| throw Exception("parser.runtime", | throw Exception("parser.runtime", |
| 0, | Exception::undefined_source, |
| "junction used outside of context"); | "junction used outside of 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; |
| method_frame=junction->method_frame; | method_frame=junction->method_frame; |
| Line 910 StringOrValue Request::process(Value& in | Line 905 StringOrValue Request::process(Value& in |
| 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 |
| VCodeFrame local(pool(), *junction->wcontext, junction->wcontext); | VCodeFrame local(*junction->wcontext, junction->wcontext); local.ref(); |
| wcontext=&local; | wcontext=&local; |
| // execute it | // execute it |
| recoursion_checked_execute(0/*result_name*/, *junction->code); | recoursion_checked_execute(Exception::undefined_source/*result_name*/, *junction->code); |
| // 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.set_string(*wcontext->get_string()); | result.set_string(wcontext->get_string(&pool())); |
| } else { | } else { |
| // plain wwrapper | // plain wwrapper |
| WWrapper local(pool(), 0/*empty*/, wcontext); | WWrapper local(ValuePtr(0)/*empty*/, wcontext); local.ref(); |
| wcontext=&local; | wcontext=&local; |
| // execute it | // execute it |
| recoursion_checked_execute(0/*result_name*/, *junction->code); | recoursion_checked_execute(Exception::undefined_source/*result_name*/, *junction->code); |
| result=wcontext->result(); | result=wcontext->result(); |
| } | } |
| Line 936 StringOrValue Request::process(Value& in | Line 931 StringOrValue Request::process(Value& in |
| method_frame=saved_method_frame; | method_frame=saved_method_frame; |
| #ifdef DEBUG_EXECUTE | #ifdef DEBUG_EXECUTE |
| debug_printf(pool(), "<-ja returned"); | debug_printf(sapi_info, "<-ja returned"); |
| #endif | #endif |
| } else { | } else { |
| result.set_value(input_value); | result.set_value(input_value); |
| Line 944 StringOrValue Request::process(Value& in | Line 939 StringOrValue Request::process(Value& in |
| return result; | return result; |
| } | } |
| const String& Request::execute_method(VMethodFrame& amethod_frame, const Method& method) { | StringPtr Request::execute_method(VMethodFrame& amethod_frame, const Method& method) { |
| 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; |
| // initialize contexts | // initialize contexts |
| Line 956 const String& Request::execute_method(VM | Line 951 const String& Request::execute_method(VM |
| execute(*method.parser_code); | execute(*method.parser_code); |
| // result | // result |
| const String& result=wcontext->result().as_string(); | StringPtr result=wcontext->result().as_string(&pool()); |
| wcontext=saved_wcontext; | wcontext=saved_wcontext; |
| rcontext=saved_rcontext; | rcontext=saved_rcontext; |
| Line 966 const String& Request::execute_method(VM | Line 961 const String& Request::execute_method(VM |
| return result; | return result; |
| } | } |
| void Request::execute_method(Value& aself, | StringPtr Request::execute_method(ValuePtr aself, |
| const Method& method, VString *optional_param, | const Method& method, VStringPtr optional_param, |
| const String **return_string) { | bool do_return_string) { |
| 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; |
| Junction local_junction(pool(), aself, &method, 0,0,0,0); | Junction local_junction(aself, &method, 0,0,0, ArrayOperationPtr(0)); |
| VMethodFrame local_frame(pool(), method.name, local_junction, method_frame/*caller*/); | VMethodFrame local_frame(pool(), method.name, local_junction, method_frame/*caller*/); local_frame.ref(); |
| if(optional_param && local_frame.can_store_param()) { | if(optional_param && local_frame.can_store_param()) { |
| local_frame.store_param(optional_param); | local_frame.store_param(optional_param); |
| local_frame.fill_unspecified_params(); | local_frame.fill_unspecified_params(); |
| Line 983 void Request::execute_method(Value& asel | Line 978 void Request::execute_method(Value& asel |
| rcontext=wcontext=method_frame=&local_frame; | rcontext=wcontext=method_frame=&local_frame; |
| // prevent non-string writes for better error reporting | // prevent non-string writes for better error reporting |
| if(return_string) | if(do_return_string) |
| wcontext->write(local_frame); | wcontext->write(pool(), ValuePtr(&local_frame)); |
| // execute! | // execute! |
| execute(*method.parser_code); | execute(*method.parser_code); |
| // result | // result |
| const String *result=0; | StringPtr result(0); |
| if(return_string) | if(do_return_string) |
| *return_string=&wcontext->result().as_string(); | result=wcontext->result().as_string(&pool()); |
| wcontext=saved_wcontext; | wcontext=saved_wcontext; |
| rcontext=saved_rcontext; | rcontext=saved_rcontext; |
| method_frame=saved_method_frame; | method_frame=saved_method_frame; |
| } | |
| void Request::execute_nonvirtual_method(VStateless_class& aclass, | return result; |
| const String& method_name, VString *optional_param, | } |
| const String **return_string, | |
| const Method **return_method) { | |
| const Method *method=aclass.get_method(method_name); | |
| if(return_string) | |
| *return_string=0; | |
| if(return_method) | |
| *return_method=method; | |
| if(method) | Request::Execute_nonvirtual_method_result |
| execute_method(aclass, *method, optional_param, return_string); | Request::execute_nonvirtual_method(VStateless_class& aclass, |
| StringPtr method_name, VStringPtr 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(ValuePtr(&aclass), *result.method, optional_param, | |
| do_return_string); | |
| return result; | |
| } | } |
| const String *Request::execute_virtual_method(Value& aself, | StringPtr Request::execute_virtual_method(ValuePtr aself, |
| const String& method_name) { | StringPtr method_name) { |
| if(Value *value=aself.get_element(method_name, aself, false)) | if(ValuePtr value=aself->get_element(method_name, *aself, false)) |
| if(Junction *junction=value->get_junction()) | if(JunctionPtr junction=value->get_junction()) |
| if(const Method *method=junction->method) { | if(const Method *method=junction->method) |
| const String *result; | return execute_method(aself, *method, VStringPtr(0)/*no params*/, true); |
| execute_method(aself, *method, 0/*no params*/, &result); | |
| return result; | |
| } | |
| return 0; | return StringPtr(0); |
| } | } |