serene/include/serene/namespace.hpp

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/**
* Serene programming language.
*
* Copyright (c) 2020 Sameer Rahmani <lxsameer@gnu.org>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef NAMESPACE_H
#define NAMESPACE_H
#include "mlir/IR/BuiltinOps.h"
#include "mlir/IR/Value.h"
#include "serene/expr.hpp"
#include "serene/llvm/IR/Value.h"
#include "serene/logger.hpp"
#include "llvm/ADT/DenseMap.h"
#include <llvm/IR/Module.h>
#include <string>
#if defined(ENABLE_LOG) || defined(ENABLE_NAMESPACE_LOG)
#define NAMESPACE_LOG(...) __LOG("NAMESPACE", __VA_ARGS__);
#else
#define NAMESPACE_LOG(...) ;
#endif
using ScopeMap = llvm::DenseMap<llvm::StringRef, mlir::Value>;
using PairT = std::pair<llvm::StringRef, mlir::Value>;
namespace serene {
class AExpr;
class Namespace {
private:
ast_tree tree{};
bool initialized = false;
ScopeMap rootScope;
public:
llvm::Optional<llvm::StringRef> filename;
mlir::StringRef name;
Namespace(llvm::StringRef ns_name, llvm::Optional<llvm::StringRef> filename);
ast_tree &Tree();
mlir::LogicalResult setTree(ast_tree);
// TODO: Fix it to return llvm::Optional<mlir::Value> instead
llvm::Optional<mlir::Value> lookup(llvm::StringRef name);
mlir::LogicalResult insert_symbol(llvm::StringRef name, mlir::Value v);
void print_scope();
~Namespace();
};
} // namespace serene
#endif