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// -*- C++ -*-
// Copyright (C) 2017, Gabriel Dos Reis.
// All rights reserved.
// Written by Gabriel Dos Reis.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// - Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in
// the documentation and/or other materials provided with the
// distribution.
//
// - Neither the name of OpenAxiom, nor the names of its contributors may
// be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
// OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef OPENAXIOM_SYNTAX_TREE_included
#define OPENAXIOM_SYNTAX_TREE_included
#include <stdint.h>
#include <open-axiom/token>
namespace OpenAxiom {
enum class SyntaxKind : uint8_t {
Module, Namespce, Import, Definition, Unparsed
};
enum SyntaxTree : uint32_t { };
constexpr SyntaxKind kind(SyntaxTree t) {
return SyntaxKind((uint32_t(t) & 0xFF000000) >> 24);
}
constexpr uint32_t index(SyntaxTree t) {
return uint32_t(t) & 0x00FFFFFF;
}
struct ModuleSyntax {
TokenIndex keyword;
TokenIndex name;
};
struct NamespaceSyntax {
TokenIndex keyword;
TokenIndex name;
};
struct ImportSyntax {
TokenIndex keyword;
};
struct DefinitionSyntax {
TokenIndex keyword;
};
struct UnparsedSyntax {
TokenIndex first;
TokenIndex last;
};
}
#endif // OPENAXIOM_SYNTAX_TREE_included
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