IntermediateRepresentationProgram(std::shared_ptr<Program> program)
: main(emitList(program->main)), functions()
{
for (auto&& f : program->functions)
{
functions.insert(std::make_pair(f.first, emitList(f.second->body)));
}
}
cs6300::FlowGraph cs6300::WhileStatement::emit()
{
auto b = emitList(body);
auto expr = condition->emit();
b.second->jumpTo = expr;
auto exitBlock = std::make_shared<BasicBlock>();
expr->jumpTo = exitBlock;
expr->branchTo = b.first;
expr->branchOn = condition->getLabel();
return std::make_pair(expr, exitBlock);
}
std::pair<std::shared_ptr<cs6300::BasicBlock>,
std::shared_ptr<cs6300::BasicBlock>>
cs6300::RepeatStatement::emit()
{
auto b = emitList(body);
auto expr = condition->emit();
b.second->jumpTo = expr;
auto exitBlock = std::make_shared<BasicBlock>();
expr->jumpTo = exitBlock;
expr->branchTo = b.first;
expr->branchOn = condition->getLabel();
return std::make_pair(b.first, exitBlock);
}
