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

82 lines
2.2 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_SYMBOL_H
#define SERENE_EXPRS_SYMBOL_H
#include "serene/context.h"
#include "serene/export.h"
#include "serene/exprs/expression.h"
#include "serene/namespace.h"
#include <llvm/ADT/StringRef.h>
#include <string>
namespace serene {
namespace exprs {
/// This data structure represent the Lisp symbol. Just a symbol
/// in the context of the AST and nothing else.
class SERENE_EXPORT Symbol : public Expression {
public:
std::string name;
std::string nsName;
Symbol(const reader::LocationRange &loc, llvm::StringRef name,
llvm::StringRef currentNS)
: Expression(loc) {
// IMPORTANT NOTE: the `name` and `currentNS` should be valid string and
// already validated.
auto partDelimiter = name.find('/');
if (partDelimiter == std::string::npos) {
nsName = currentNS.str();
this->name = name.str();
} else {
this->name = name.substr(partDelimiter + 1, name.size()).str();
nsName = name.substr(0, partDelimiter).str();
}
};
Symbol(Symbol &s) : Expression(s.location) {
this->name = s.name;
this->nsName = s.nsName;
}
ExprType getType() const override;
std::string toString() const override;
MaybeNode analyze(semantics::AnalysisState &state) override;
void generateIR(serene::Namespace &ns, mlir::ModuleOp &m) override {
UNUSED(ns);
UNUSED(m);
};
~Symbol() = default;
static bool classof(const Expression *e);
};
} // namespace exprs
} // namespace serene
#endif