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| version 1.159, 2001/05/17 15:20:15 | version 1.180, 2001/07/20 09:40:46 |
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| Line 4 | Line 4 |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) |
| $Id$ | |
| */ | */ |
| static const char *RCSId="$Id$"; | |
| #include "pa_config_includes.h" | |
| #include "pa_opcode.h" | #include "pa_opcode.h" |
| #include "pa_array.h" | #include "pa_array.h" |
| #include "pa_request.h" | #include "pa_request.h" |
| #include "pa_vstring.h" | #include "pa_vstring.h" |
| #include "pa_vhash.h" | #include "pa_vhash.h" |
| #include "pa_vunknown.h" | #include "pa_vvoid.h" |
| #include "pa_vcode_frame.h" | #include "pa_vcode_frame.h" |
| #include "pa_vmethod_frame.h" | #include "pa_vmethod_frame.h" |
| #include "pa_vobject.h" | #include "pa_vobject.h" |
| Line 255 void Request::execute(const Array& ops) | Line 253 void Request::execute(const Array& ops) |
| // maybe they do ^object.method[] call, remember the fact | // maybe they do ^object.method[] call, remember the fact |
| wcontext->inc_somebody_entered_some_object(); | wcontext->inc_somebody_entered_some_object(); |
| //_asm int 3; | |
| Value *value=get_element(); | Value *value=get_element(); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| Line 301 void Request::execute(const Array& ops) | Line 300 void Request::execute(const Array& ops) |
| if(string) | if(string) |
| value=NEW VString(*string); | value=NEW VString(*string); |
| else | else |
| value=NEW VUnknown(pool()); | value=NEW VVoid(pool()); |
| wcontext=static_cast<WContext *>(POP()); | wcontext=static_cast<WContext *>(POP()); |
| rcontext=POP(); | rcontext=POP(); |
| PUSH(value); | PUSH(value); |
| Line 322 void Request::execute(const Array& ops) | Line 321 void Request::execute(const Array& ops) |
| if(string) | if(string) |
| value=NEW VString(*string); | value=NEW VString(*string); |
| else | else |
| NEW VUnknown(pool()); | NEW VVoid(pool()); |
| wcontext=static_cast<WContext *>(POP()); | wcontext=static_cast<WContext *>(POP()); |
| PUSH(value); | PUSH(value); |
| break; | break; |
| Line 374 void Request::execute(const Array& ops) | Line 373 void Request::execute(const Array& ops) |
| PUSH(wcontext); | PUSH(wcontext); |
| VStateless_class *called_class=frame->junction.self.get_class(); | VStateless_class *called_class=frame->junction.self.get_class(); |
| // not ^name.method call and | // not ^name.method call, name:method call; and |
| // is context object or class & is it my class or my parent's class and? | // is context object or class & is it my class or my parent's class and? |
| VStateless_class *read_class=rcontext->get_class(); | VStateless_class *read_class=rcontext->get_class(); |
| if(!wcontext->somebody_entered_some_object() && | if( |
| !(wcontext->somebody_entered_some_object() && | |
| !wcontext->somebody_entered_some_class()) && | |
| read_class && read_class->is_or_derived_from(*called_class)) // yes | read_class && read_class->is_or_derived_from(*called_class)) // yes |
| self=rcontext; // class dynamic call | self=rcontext; // class dynamic call |
| else // no, not me or relative of mine (total stranger) | else // no, not me or relative of mine (total stranger) |
| Line 416 void Request::execute(const Array& ops) | Line 417 void Request::execute(const Array& ops) |
| method.check_actual_numbered_params(pool(), | method.check_actual_numbered_params(pool(), |
| 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 | } else { // parser code |
| if(++anti_endless_execute_recoursion==ANTI_ENDLESS_EXECUTE_RECOURSION) { | if(++anti_endless_execute_recoursion==ANTI_ENDLESS_EXECUTE_RECOURSION) { |
| anti_endless_execute_recoursion=0; // give @exception a chance | anti_endless_execute_recoursion=0; // give @exception a chance |
| THROW(0, 0, | THROW(0, 0, |
| &method.name, | &frame->name(), |
| "endless recursion detected"); | "endless recursion detected"); |
| } | } |
| Line 531 void Request::execute(const Array& ops) | Line 532 void Request::execute(const Array& ops) |
| case OP_DIV: | case OP_DIV: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VDouble(pool(), a->as_double() / b->as_double()); | |
| double a_double=a->as_double(); | |
| double b_double=b->as_double(); | |
| if(b_double == 0) { | |
| const String *problem_source=&b->as_string(); | |
| #ifndef NO_STRING_ORIGIN | |
| if(!problem_source->origin().file) | |
| problem_source=&b->name(); | |
| #endif | |
| THROW(0, 0, | |
| problem_source, | |
| "Division by zero"); | |
| } | |
| Value *value=NEW VDouble(pool(), a_double / b_double); | |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| case OP_MOD: | case OP_MOD: |
| { | { |
| Value *b=POP(); Value *a=POP(); | Value *b=POP(); Value *a=POP(); |
| Value *value=NEW VDouble(pool(), | |
| a->as_int() % | double a_double=a->as_double(); |
| b->as_int()); | double b_double=b->as_double(); |
| if(b_double == 0) { | |
| const String *problem_source=&b->as_string(); | |
| #ifndef NO_STRING_ORIGIN | |
| if(!problem_source->origin().file) | |
| problem_source=&b->name(); | |
| #endif | |
| THROW(0, 0, | |
| problem_source, | |
| "Modulus by zero"); | |
| } | |
| Value *value=NEW VDouble(pool(), fmod(a_double, b_double)); | |
| PUSH(value); | PUSH(value); |
| break; | break; |
| } | } |
| Line 706 Value *Request::get_element() { | Line 735 Value *Request::get_element() { |
| if(value) | if(value) |
| value=&process(*value, &name); // process possible code-junction | value=&process(*value, &name); // process possible code-junction |
| else { | else { |
| value=NEW VUnknown(pool()); | value=NEW VVoid(pool()); |
| value->set_name(name); | value->set_name(name); |
| } | } |
| return value; | return value; |
| } | } |
| /** intercept_string: | /** @param intercept_string |
| - true: | - true: |
| they want result=string value, | they want result=string value, |
| possible object result goes to wcontext | possible object result goes to wcontext |
| Line 778 Value& Request::process(Value& value, co | Line 807 Value& Request::process(Value& value, co |
| return *result; | return *result; |
| } | } |
| const String *Request::execute_method(Value& aself, const Method& method, bool return_cstr) { | const String *Request::execute_method(Value& aself, const Method& method, |
| bool return_cstr) { | |
| PUSH(self); | PUSH(self); |
| PUSH(root); | PUSH(root); |
| PUSH(rcontext); | PUSH(rcontext); |
| Line 807 const String *Request::execute_method(Va | Line 837 const String *Request::execute_method(Va |
| return result; | return result; |
| } | } |
| const String *Request::execute_method(Value& aself, | const String *Request::execute_virtual_method(Value& aself, |
| const String& method_name, bool return_cstr) { | 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) |
| Line 816 const String *Request::execute_method(Va | Line 847 const String *Request::execute_method(Va |
| return 0; | return 0; |
| } | } |
| const String *Request::execute_nonvirtual_method(VStateless_class& aclass, | |
| const String& method_name, | |
| bool return_cstr) { | |
| if(const Method *method=aclass.get_method(method_name)) | |
| return execute_method(aclass, *method, return_cstr); | |
| return 0; | |
| } |