72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
/*
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* PostfixExpression.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 "PostfixExpression.h"
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PostfixExpression::PostfixExpression(std::string name, ContextManager * context_manager):
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name(name), operation("call"), context_manager(context_manager)
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{
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type= "PostfixExpression";
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access_index_expr = nullptr;
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}
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PostfixExpression::PostfixExpression(std::string name, ContextManager * context_manager, ASTExpression * access_index_expr):
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name(name), operation("access"), context_manager(context_manager), access_index_expr(access_index_expr)
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{
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type= "PostfixExpression";
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}
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PostfixExpression::~PostfixExpression() {
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for(auto i = arguments.begin(); i != arguments.end();)
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{
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delete *i;
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i = arguments.erase(i);
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}
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}
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void PostfixExpression::add_argument(ASTExpression * expression)
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{
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arguments.push_back(expression);
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}
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SenchaObject PostfixExpression::evaluate()
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{
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return execute();
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}
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SenchaObject PostfixExpression::execute() {
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SenchaObject result = SenchaObject();
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if(operation == "call")
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return context_manager->execute_function(name, arguments);
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else if(operation == "access")
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{
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SenchaObject called_value = context_manager->get_top()->get(name);
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SenchaObject access_index = access_index_expr->execute();
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if(access_index.type == SenchaObject::integer_number)
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{
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if(called_value.type == SenchaObject::string_literal)
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{
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called_value = context_manager->get_top()->get_updated_string(name);
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SenchaArray array(name, context_manager, called_value.text);
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return array.get(access_index.integer);
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}
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else
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{
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SenchaArray array(name, context_manager);
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return array.get(access_index.integer);
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}
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}
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}
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result.type = SenchaObject::invalid;
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return result;
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}
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