108 lines
1.9 KiB
C++
108 lines
1.9 KiB
C++
/*
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* BasicExpression.cpp
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*
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* Created on: Dec 5, 2012
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* Author: attero
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*/
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#include "BasicExpression.h"
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void BasicExpression::set_operator(std::string op)
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{
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this->oper = op;
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}
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void BasicExpression::set_left_operand(ASTNode * left)
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{
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if(!this->children_set)
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{
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children.push_back(left);
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}
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else
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{
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this->children[0] = left;
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}
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if(children.size() == 2)
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children_set = true;
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}
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void BasicExpression::set_right_operand(ASTNode * right)
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{
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if(!this->children_set)
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{
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children.push_back(right);
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}
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else
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{
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this->children[1] = right;
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}
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if(children.size() == 2)
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children_set = true;
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}
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void BasicExpression::execute()
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{
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//children[0]->execute();
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//children[1]->execute();
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std::cout << evaluate().repr() << std::endl;
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}
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void BasicExpression::execute_quietly()
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{
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evaluate();
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}
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SenchaObject BasicExpression::evaluate()
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{
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//TODO refactor it ;)
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SenchaObject left = static_cast<ASTExpression *>(children[0])->evaluate();
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SenchaObject right = static_cast<ASTExpression *>(children[1])->evaluate();
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SenchaObject so;
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if(oper == "+")
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{
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so = SenchaObject(left + right);
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}
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else if(oper == "-")
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{
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so = SenchaObject(left - right);
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}
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else if(oper == "*")
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{
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so = SenchaObject(left * right);
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}
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else if(oper == "/")
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{
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so = SenchaObject(left / right);
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}
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else if(oper == "=")
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{
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so = SenchaObject(right);
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}
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return so;
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}
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BasicExpression::BasicExpression(ASTNode * parent) {
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this->parent = parent;
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children_set = false;
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}
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BasicExpression::~BasicExpression() {
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// TODO Auto-generated destructor stub
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// TODO free children memory
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}
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std::string BasicExpression::debug()
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{
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std::string debug_note = "Basic expression:\n";
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debug_note += "left operand: \n";
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debug_note += this->children[0]->debug();
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debug_note += "\nright operand:\n" + this->children[1]->debug();
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debug_note += "\nOperator: " + this->oper +"\n###\n";
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return debug_note;
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}
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