88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
/* -*- C++ -*-
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* Serene Programming Language
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*
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* Copyright (c) 2019-2022 Sameer Rahmani <lxsameer@gnu.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SERENE_ERRORS_BASE_H
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#define SERENE_ERRORS_BASE_H
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#include "serene/reader/location.h"
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#include <system_error>
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#include <llvm/Support/Error.h>
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#include <llvm/Support/FormatVariadic.h>
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namespace serene::errors {
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// This class is used in the generated code
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struct ErrorVariant {
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const int id;
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const std::string title;
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const std::string desc;
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const std::string help;
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static ErrorVariant make(const int id, const char *t, const char *d,
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const char *h) {
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return ErrorVariant(id, t, d, h);
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};
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private:
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ErrorVariant(const int id, const char *t, const char *d, const char *h)
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: id(id), title(t), desc(d), help(h){};
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};
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class SereneError : public llvm::ErrorInfoBase {
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reader::LocationRange location;
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std::string msg;
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public:
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constexpr static const int ID = -1;
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void log(llvm::raw_ostream &os) const override { os << msg; };
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std::string message() const override { return msg; };
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std::error_code convertToErrorCode() const override {
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return std::error_code();
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};
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SereneError(reader::LocationRange &loc, std::string &msg)
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: location(loc), msg(msg){};
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SereneError(reader::LocationRange &loc, const char *msg)
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: location(loc), msg(msg){};
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SereneError(reader::LocationRange &loc, llvm::StringRef msg)
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: location(loc), msg(msg.str()){};
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SereneError(reader::LocationRange &loc) : location(loc){};
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SereneError(SereneError &e) = delete;
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reader::LocationRange &where() { return location; };
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static const void *classID() { return &ID; }
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bool isA(const void *const id) const override {
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return id == classID() || llvm::ErrorInfoBase::isA(id);
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}
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~SereneError() = default;
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};
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}; // namespace serene::errors
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#endif
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