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carbon-lang/executable_semantics/syntax/parse.h
T
Jon Meow ed2d171703 Configure reentrant bison/flex (#789)
Make the parser reentrant, working towards #769 and the ability to load other packages cleanly.
2021-08-30 14:23:16 -07:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#ifndef EXECUTABLE_SEMANTICS_SYNTAX_PARSE_H_
#define EXECUTABLE_SEMANTICS_SYNTAX_PARSE_H_
#include <string>
#include <variant>
#include "executable_semantics/ast/abstract_syntax_tree.h"
namespace Carbon {
// This is the code given us by Bison, for now.
using SyntaxErrorCode = int;
// Returns the AST representing the contents of the named file, or an error code
// if parsing fails.
auto Parse(const std::string& input_file_name)
-> std::variant<Carbon::AST, SyntaxErrorCode>;
} // namespace Carbon
#endif // EXECUTABLE_SEMANTICS_SYNTAX_PARSE_H_