sencha-lang/Sencha-lang/ContextManager.cpp

81 lines
1.7 KiB
C++

/*
* Context.cpp
*
* Created on: Dec 7, 2012
* Author: attero
*/
#include "ContextManager.h"
ContextManager::ContextManager() {
contexts["global"] = new Context("global");
stack.push(contexts["global"]);
index = 0;
}
ContextManager::~ContextManager() {
}
Context * ContextManager::create_new_context()
{
Context * context = new Context("Zdzislaw" + to_string(index));
index++;
contexts[context->name] = context;
stack.push(context);
return context;
}
SenchaObject ContextManager::execute_function(std::string name, std::vector<ASTExpression *> arguments)
{
SenchaObject result;
if(contexts["global"]->registered_functions.count(name) == 1)
{
result = contexts["global"]->registered_functions[name](arguments);
}
else if(contexts["global"]->registered_sfunctions.count(name) == 1)
{
SenchaFunction * function = contexts["global"]->registered_sfunctions[name];
std::string name_of_context = create_new_context()->name;
for(unsigned int i = 0; i < function->names_of_arguments.size(); i++)
get_top()->add(function->names_of_arguments[i], arguments[i]->evaluate());
result = (*function)();
pop_context();
destroy_context(name_of_context);
}
return result;
}
Context * ContextManager::get_context(std::string name)
{
return contexts[name];
}
Context * ContextManager::get_top()
{
return stack.top();
}
void ContextManager::pop_context()
{
stack.pop();
}
Context * ContextManager::context(std::string name)
{
if(contexts.count(name) != 0) return contexts[name];
else return nullptr;
}
void ContextManager::destroy_context(std::string name)
{
auto iter = contexts.find(name);
if(iter != contexts.end())
{
delete ((*iter).second);
contexts.erase(iter);
}
}