elna/source/semantic.cpp

39 lines
1.1 KiB
C++

#include "elna/source/semantic.hpp"
#include <cstdlib>
namespace elna::source
{
void name_analysis_visitor::visit(constant_definition *definition)
{
this->table->enter(definition->identifier(),
std::make_shared<constant_info>(constant_info(definition->body().number())));
}
void name_analysis_visitor::visit(declaration *declaration)
{
this->table->enter(declaration->identifier(),
std::make_shared<variable_info>(variable_info()));
}
void name_analysis_visitor::visit(block *block)
{
this->table = block->table();
empty_visitor::visit(block);
this->table->enter("main",
std::make_shared<procedure_info>());
}
void allocator_visitor::visit(declaration *declaration)
{
this->offset -= sizeof(std::int32_t);
}
void allocator_visitor::visit(block *block)
{
this->offset = 0;
empty_visitor::visit(block);
std::dynamic_pointer_cast<procedure_info>(block->table()->lookup("main"))
->stack_size(std::abs(this->offset));
}
}