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#include "bindings.hpp"
// VariableStackBindings definition
VariableStackBindings::VariableStackBindings()
: break_label_(""), continue_label_(""), stack_counter_(0), expression_stack_(16)
{}
void VariableStackBindings::insertBinding(const std::string &id, TypePtr type, const int &stack_position)
{
auto binding = bindings_.find(id);
if(binding == bindings_.end())
{
DeclarationData decl_data;
decl_data.type = type;
decl_data.stack_position = stack_position;
bindings_.insert(std::pair<std::string, DeclarationData>(id, decl_data));
}
else
{
(*binding).second.stack_position = stack_position;
(*binding).second.type = type;
}
}
void VariableStackBindings::increaseStackPosition()
{
stack_counter_ += 4;
}
void VariableStackBindings::increaseStackPosition(const int &position)
{
stack_counter_ += position;
}
void VariableStackBindings::setStackPosition(const int &stack_counter)
{
stack_counter_ = stack_counter;
}
void VariableStackBindings::nextExpressionStackPosition()
{
expression_stack_ += 4;
}
void VariableStackBindings::setExpressionStackPosition(const int &stack_counter)
{
expression_stack_ = stack_counter;
}
TypePtr VariableStackBindings::getType(const std::string &id) const
{
auto binding = bindings_.find(id);
return (*binding).second.type;
}
std::string VariableStackBindings::breakLabel()
{
return break_label_;
}
std::string VariableStackBindings::breakLabel(const std::string &label)
{
break_label_ = label;
return break_label_;
}
std::string VariableStackBindings::continueLabel()
{
return continue_label_;
}
std::string VariableStackBindings::continueLabel(const std::string &label)
{
continue_label_ = label;
return continue_label_;
}
int VariableStackBindings::currentStackPosition() const
{
return stack_counter_;
}
int VariableStackBindings::stackPosition(const std::string &id) const
{
auto binding = bindings_.find(id);
if(binding != bindings_.end())
return (*binding).second.stack_position;
else return 0;
}
int VariableStackBindings::currentExpressionStackPosition() const
{
return expression_stack_;
}
bool VariableStackBindings::bindingExists(const std::string &id) const
{
auto binding = bindings_.find(id);
if(binding == bindings_.end())
return false;
else
return true;
}
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