void IRGenerator::accept(UnaryExpr& expr)
{
FNTRACE();
static const std::unordered_map<
int /*FlowVM::Opcode*/,
Value* (IRGenerator::*)(Value*, const std::string&)
> ops = {
{ FlowVM::Opcode::I2S, &IRGenerator::createI2S },
{ FlowVM::Opcode::P2S, &IRGenerator::createP2S },
{ FlowVM::Opcode::C2S, &IRGenerator::createC2S },
{ FlowVM::Opcode::R2S, &IRGenerator::createR2S },
{ FlowVM::Opcode::S2I, &IRGenerator::createS2I },
{ FlowVM::Opcode::NNEG, &IRGenerator::createNeg },
};
Value* rhs = codegen(expr.subExpr());
auto i = ops.find(expr.op());
if (i != ops.end()) {
result_ = (this->*i->second)(rhs, "");
} else {
assert(!"Unsupported unary expression in IRGenerator.");
result_ = nullptr;
}
}
// }}}
// {{{ expressions
void FlowCallVisitor::accept(UnaryExpr& expr)
{
visit(expr.subExpr());
}