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unaryexpression.cpp

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00001 #include <typeinfo>
00002 #include "unaryexpression.h"
00003 using namespace std;
00004 
00005 Ast& UnaryExpression::operator = (const Ast& ast) {
00006         const UnaryExpression& unaryExpression = dynamic_cast<const UnaryExpression&>(ast);
00007 
00008         Ast::operator=(ast);
00009         this->expression = this->expression ? dynamic_cast<Expression*>(&(unaryExpression.expression->clone())) : 0;
00010         this->op = unaryExpression.op;
00011 
00012         return *(this);
00013 }
00014 
00015 bool UnaryExpression::operator == (const Ast& ast) const {
00016         bool result = false;
00017         const UnaryExpression& unaryExpression = dynamic_cast<const UnaryExpression&>(ast);
00018 
00019         if (typeid(ast) != typeid(UnaryExpression))
00020                 return false;
00021 
00022         if (this->expression)
00023                 result = (*(this->expression) == *(unaryExpression.expression));
00024 
00025         return result && (this->op == unaryExpression.op) && Ast::operator==(ast);
00026 }
00027 

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