--- parser3/src/classes/math.C 2001/12/15 21:28:17 1.11 +++ parser3/src/classes/math.C 2002/04/18 10:51:00 1.18 @@ -1,10 +1,10 @@ /** @file Parser: @b math parser class. - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - Author: Alexander Petrosyan (http://paf.design.ru) + Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) - $Id: math.C,v 1.11 2001/12/15 21:28:17 paf Exp $ + $Id: math.C,v 1.18 2002/04/18 10:51:00 paf Exp $ */ #include "pa_common.h" @@ -19,7 +19,6 @@ // defines #define PI 3.1415926535 -#define MATH_CLASS_NAME "math" // class @@ -29,7 +28,7 @@ public: void configure_admin(Request& r); public: // Methoded - bool used_directly() { return true; } + bool used_directly() { return false; } }; // methods @@ -38,16 +37,14 @@ static void _random(Request& r, const St Pool& pool=r.pool(); Value& range=params->as_junction(0, "range must be expression"); - uint max=(uint)r.process(range).as_double(); - if(max<=1) - throw Exception(0, 0, + double top=r.process_to_value(range).as_double(); + if(top<=1) + throw Exception("parser.runtime", &method_name, - "bad range [0..%u]", max); + "top must be above 1 (%g)", top); - Value& result=*new(pool) VInt(pool, (int)( - ((double)((randomizer=rand())% RAND_MAX)) / RAND_MAX * max )); - result.set_name(method_name); - r.write_no_lang(result); + int result=(int)( ((double)((randomizer=rand())% RAND_MAX)) / RAND_MAX * uint(top) ); + r.write_no_lang(*new(pool) VInt(pool, result)); } @@ -62,9 +59,8 @@ static void math1(Request& r, Pool& pool=r.pool(); Value& param=params->as_junction(0, "parameter must be expression"); - Value& result=*new(pool) VDouble(pool, (*func)(r.process(param).as_double())); - result.set_name(method_name); - r.write_no_lang(result); + double result=(*func)(r.process_to_value(param).as_double()); + r.write_no_lang(*new(pool) VDouble(pool, result)); } #define MATH1(name) \ @@ -94,11 +90,10 @@ static void math2(Request& r, Value& a=params->as_junction(0, "parameter must be expression"); Value& b=params->as_junction(1, "parameter must be expression"); - Value& result=*new(pool) VDouble(pool, (*func)( - r.process(a).as_double(), - r.process(b).as_double())); - result.set_name(method_name); - r.write_no_lang(result); + double result=(*func)( + r.process_to_value(a).as_double(), + r.process_to_value(b).as_double()); + r.write_no_lang(*new(pool) VDouble(pool, result)); } #define MATH2(name) \ @@ -109,9 +104,7 @@ MATH2(pow); // constructor -MMath::MMath(Pool& apool) : Methoded(apool) { - set_name(*NEW String(pool(), MATH_CLASS_NAME)); - +MMath::MMath(Pool& apool) : Methoded(apool, "math") { // ^FUNC(expr) #define ADD1(name) \ add_native_method(#name, Method::CT_STATIC, _##name, 1, 1) @@ -141,13 +134,13 @@ MMath::MMath(Pool& apool) : Methoded(apo void MMath::configure_admin(Request&) { // setting seed srand( - randomizer ^ + randomizer #ifdef WIN32 - GetCurrentThreadId() ^ + ^ GetCurrentThreadId() #else - getpid() ^ + ^ getpid() #endif - (unsigned int)time(NULL) + ^ (unsigned int)time(NULL) ); if(!randomizer) randomizer=rand();