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/**
 * forspll - LLVM-based Forsp compiler
 * Copyright (C) 2024  Clyne Sullivan <clyne@bitgloo.com>
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef FORSPLL_LLVM_HPP
#define FORSPLL_LLVM_HPP

#include <llvm/ADT/APInt.h>
#include <llvm/IR/Constants.h>
#include <llvm/IR/IRBuilder.h>
#include <llvm/IR/LLVMContext.h>
#include <llvm/IR/Module.h>
#include <llvm/IR/Type.h>
#include <llvm/IR/DerivedTypes.h>

#include <string>

struct LLVMState
{
    llvm::LLVMContext ctx;
    llvm::Module modul;
    llvm::IRBuilder<> builder;

    llvm::Type *inttype;
    llvm::Type *stacktype;
    llvm::FunctionType *ftype;
    llvm::Constant *one;
    llvm::Constant *zero;
    llvm::Constant *llvmSp;
    llvm::Constant *llvmStack;

    LLVMState();

    llvm::Value *createPush();
    llvm::Value *createPop();
    llvm::Function *createFunction(const std::string& name);
    llvm::BasicBlock *createEntry(llvm::Function *func);
    llvm::Value *createVariable(const std::string& name);
    llvm::Constant *createInt(int n);

    void output();
};

#endif // FORSPLL_LLVM_HPP