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/*
* PostfixExpression.cpp
*
* Created on: Dec 5, 2012
* Author: attero
*/
#include "PostfixExpression.h"
PostfixExpression::PostfixExpression(std::string name, ContextManager * context_manager):
name(name), operation("call"), context_manager(context_manager)
{
type= "PostfixExpression";
access_index_expr = nullptr;
}
PostfixExpression::PostfixExpression(std::string name, ContextManager * context_manager, ASTExpression * access_index_expr):
name(name), operation("access"), context_manager(context_manager), access_index_expr(access_index_expr)
{
type= "PostfixExpression";
}
PostfixExpression::~PostfixExpression() {
for(auto i = arguments.begin(); i != arguments.end();)
{
delete *i;
i = arguments.erase(i);
}
}
void PostfixExpression::add_argument(ASTExpression * expression)
{
arguments.push_back(expression);
}
SenchaObject PostfixExpression::evaluate()
{
return execute();
}
SenchaObject PostfixExpression::execute() {
SenchaObject result = SenchaObject();
if(operation == "call")
return context_manager->execute_function(name, arguments);
else if(operation == "access")
{
SenchaObject called_value = context_manager->get_top()->get(name);
SenchaObject access_index = access_index_expr->execute();
if(access_index.type == SenchaObject::integer_number)
{
if(called_value.type == SenchaObject::string_literal)
{
called_value = context_manager->get_top()->get_updated_string(name);
SenchaArray array(name, context_manager, called_value.text);
return array.get(access_index.integer);
}
else
{
SenchaArray array(name, context_manager);
return array.get(access_index.integer);
}
}
}
result.type = SenchaObject::invalid;
return result;
}
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