#include "node.h"

#include "byteorder.h"
#include "data.h"
#include "minicc.h"

#include <memory>

using namespace FlowGraph;

FlowGraph::Data& Node::destination()
{
 if (mOperands.size() < 1)
  throw std::runtime_error("ICE: No destination operand available");

 return mOperands[0];
}

// 4 byte for now
Data FlowGraph::MakeConstantInt(int i)
{
 return Data{DataType::Int, std::make_shared<Constant>(endian::to_little(uint32_t(i)))};
}

Data FlowGraph::MakeLocalPointer(std::shared_ptr<FlowGraph::LocalScope> scope, const std::string& name)
{
 Data data{DataType::Pointer, std::make_shared<LocalStorage>(name)};
 scope->push_back(std::make_shared<Data>(data));
 return data;
}

Data FlowGraph::MakeLocalSize(std::shared_ptr<FlowGraph::LocalScope> scope, const std::string& name)
{
 Data data{DataType::Size, std::make_shared<LocalStorage>(name)};
 scope->push_back(std::make_shared<Data>(data));
 return data;
}

Data FlowGraph::MakeTemporaryInt(std::shared_ptr<FlowGraph::LocalScope> scope)
{
 Data data{DataType::Int, std::make_shared<TemporaryStorage>()};
 scope->push_back(std::make_shared<Data>(data));
 return data;
}

FlowGraph::CreateScopeOp::CreateScopeOp(): m_scope(std::make_shared<LocalScope>())
{
}

std::shared_ptr<LocalScope> FlowGraph::CreateScopeOp::scope()
{
 return m_scope;
}

FlowGraph::DestroyScopeOp::DestroyScopeOp(std::shared_ptr<LocalScope> scope): m_scope(std::make_shared<LocalScope>())
{
}