89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
/*
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* Context.cpp
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*
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* Created on: Dec 7, 2012
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* Author: attero
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*/
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#include "ContextManager.h"
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ContextManager::ContextManager() {
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contexts["global"] = new Context("global");
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stack.push(contexts["global"]);
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index = 0;
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}
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ContextManager::~ContextManager() {
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}
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Context * ContextManager::create_new_context()
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{
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Context * context = new Context("abcd" + to_string(index));
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index++;
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contexts[context->name] = context;
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stack.push(context);
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return context;
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}
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SenchaObject ContextManager::execute_function(std::string name, std::vector<ASTExpression *> arguments)
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{
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SenchaObject result;
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if(contexts["global"]->contains_nfunction(name))
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{
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result = contexts["global"]->registered_functions[name](arguments);
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}
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else if(contexts["global"]->contains_sfunction(name))
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{
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std::vector<SenchaObject> evaluated_arguments;
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for(auto argument : arguments)
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evaluated_arguments.push_back((argument->evaluate()));
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SenchaFunction * function = contexts["global"]->registered_sfunctions[name];
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std::string name_of_context = create_new_context()->name;
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if( arguments.size() != function->names_of_arguments.size())
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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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for(unsigned int i = 0; i < function->names_of_arguments.size(); i++)
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{
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//std::cout << "I'm adding to context " + get_top()->name + " variable of name: " + function->names_of_arguments[i];
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//std::cout << "Which should be equal " + evaluated_arguments[i].repr() << std::endl;
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get_top()->add(function->names_of_arguments[i], evaluated_arguments[i]);
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}
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result = (*function)();
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pop_context();
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destroy_context(name_of_context);
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}
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return result;
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}
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Context * ContextManager::get_top()
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{
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return stack.top();
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}
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void ContextManager::pop_context()
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{
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stack.pop();
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}
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Context * ContextManager::context(std::string name)
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{
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if(contexts.count(name) != 0) return contexts[name];
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else return nullptr;
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}
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void ContextManager::destroy_context(std::string name)
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{
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auto iter = contexts.find(name);
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if(iter != contexts.end())
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{
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delete ((*iter).second);
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contexts.erase(iter);
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}
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}
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