serene/libserene.v0/include/serene/exprs/def.h

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2.0 KiB
C++

/* -*- C++ -*-
* Serene Programming Language
*
* Copyright (c) 2019-2022 Sameer Rahmani <lxsameer@gnu.org>
*
* 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, version 2.
*
* 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 SERENE_EXPRS_DEF_H
#define SERENE_EXPRS_DEF_H
#include "serene/context.h"
#include "serene/errors.h"
#include "serene/exprs/expression.h"
#include <llvm/ADT/StringRef.h>
#include <llvm/Support/Error.h>
#include <memory>
#include <string>
namespace serene {
namespace exprs {
class List;
/// This data structure represents the operation to define a new binding via
/// the `def` special form.
class Def : public Expression {
public:
std::string binding;
Node value;
Def(reader::LocationRange &loc, llvm::StringRef binding, Node &v)
: Expression(loc), binding(binding), value(v){};
Def(Def &d) = delete;
ExprType getType() const override;
std::string toString() const override;
MaybeNode analyze(semantics::AnalysisState &state) override;
void generateIR(serene::Namespace &ns, mlir::ModuleOp &m) override;
static bool classof(const Expression *e);
/// Create a Def node out a list. The list should contain the
/// correct `def` form like `(def blah value)`. This function
/// is supposed to be used in the semantic analysis phase.
///
/// \param state is the semantic analysis state to use in creation time.
/// \param list the list containing the `def` form
static MaybeNode make(semantics::AnalysisState &state, List *list);
~Def() = default;
};
} // namespace exprs
} // namespace serene
#endif