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celx::WhileStatement

celx::WhileStatement Class Reference

#include <statement.h>

Inheritance diagram for celx::WhileStatement:

Inheritance graph
Collaboration diagram for celx::WhileStatement:

Collaboration graph
List of all members.

Public Member Functions

virtual Control execute (ExecutionContext &)
 WhileStatement (Expression *, Statement *)
virtual ~WhileStatement ()

Private Attributes

Statement * body
Expression * condition

Constructor & Destructor Documentation

WhileStatement::WhileStatement (  Expression *  ,
Statement * 
) 
 

Definition at line 145 of file statement.cpp.

00145                                                                   :
00146     condition(_cond), body(_body)
00147 {
00148 }

WhileStatement::~WhileStatement (   )  [virtual]
 

Definition at line 150 of file statement.cpp.

00151 {
00152 }

Member Function Documentation

Statement::Control WhileStatement::execute (  ExecutionContext &   )  [virtual]
 

Reimplemented from celx::Statement.

Definition at line 154 of file statement.cpp.

References body, condition, celx::Expression::eval(), celx::Statement::execute(), and celx::Value::toBoolean().

00155 {
00156     Control control = ControlAdvance;
00157     while (condition->eval(context).toBoolean())
00158     {
00159         control = body->execute(context);
00160         if (control == ControlReturn || control == ControlBreak)
00161             break;
00162     }
00163 
00164     if (control == ControlReturn)
00165         return ControlReturn;
00166     else
00167         return ControlAdvance;
00168 }

Member Data Documentation

Statement* celx::WhileStatement::body [private]
 

Definition at line 125 of file statement.h.

Referenced by execute().

Expression* celx::WhileStatement::condition [private]
 

Definition at line 124 of file statement.h.

Referenced by execute().

The documentation for this class was generated from the following files:
Generated on Sat Jan 14 22:33:46 2006 for Celestia by  doxygen 1.4.1