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#include "LLVMVisitor.h"
LLVMVisitor::LLVMVisitor(const char* fileName) : outFile(std::ofstream(fileName)), reg() {
if (!outFile.is_open())
throw std::runtime_error("Couldn't open file for writing!");
}
std::string LLVMVisitor::Visit(const Integer& vint) {
std::string valRegister = *(reg++);
outFile << valRegister + " = " + std::to_string(vint.get_value()) + "\n";
return valRegister;
}
std::string LLVMVisitor::Visit(const Float& vfloat) {
std::string valRegister = *(reg++);
outFile << valRegister + " = " + std::to_string(vfloat.get_value()) + "\n";
return valRegister;
}
std::string LLVMVisitor::f_add(const BuiltInFunction& bfun, unsigned i) {
std::string leftArg = bfun.get_args()[i]->Visit(*this);
std::string rightArg;
if (bfun.get_args().size() - 2 == i) {
rightArg = bfun.get_args()[i+1]->Visit(*this);
}
else {
rightArg = f_add(bfun, i+1);
}
std::string valRegister = *(reg++);
outFile << valRegister << " = add i32 " << leftArg << ", " << rightArg << "\n";
return valRegister;
}
std::string LLVMVisitor::Visit(const BuiltInFunction& bfun) {
if (bfun.get_name() == "+")
return f_add(bfun);
return "";
}
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