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1 // go-encode-id.h -- Go identifier encoding utilities -*- C++ -*-
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2
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3 // Copyright 2016 The Go Authors. All rights reserved.
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4 // Use of this source code is governed by a BSD-style
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5 // license that can be found in the LICENSE file.
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6
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7 #ifndef GO_ENCODE_ID_H
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8 #define GO_ENCODE_ID_H
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9
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10 #include "backend.h"
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11
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12 // Given an identifier that will appear in assembly code, this helper
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13 // returns TRUE if the identifier needs special encoding to be used as
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14 // an ASM name, FALSE if the name is OK as is.
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15 extern bool
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16 go_id_needs_encoding(const std::string& str);
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17
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18 // Encodes the specified identifier for ASM name safety, returning a
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19 // string with the encoded value.
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20 extern std::string
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21 go_encode_id(const std::string &id);
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22
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23 // Decodes an encoded ID, returning the original string handed off to
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24 // go_encode_id().
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25 extern std::string
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26 go_decode_id(const std::string &id);
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27
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28 // Returns the empty string if the specified name needs encoding,
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29 // otherwise invokes go_encode_id on the name and returns the result.
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30 extern std::string
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31 go_selectively_encode_id(const std::string &id);
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32
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33 // Encodes a struct tag that appears in a type literal encoding.
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34 extern std::string
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35 go_mangle_struct_tag(const std::string& tag);
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36
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37 // Encode a package path. A package path can contain any arbitrary
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38 // character, including '.'. go_encode_id expects that any '.' will
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39 // be inserted by name mangling in a controlled manner. So first
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40 // translate any '.' using the same .x encoding as used by
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41 // go_mangle_struct_tag.
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42 extern std::string
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43 go_mangle_pkgpath(const std::string& pkgpath);
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44
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45 #endif // !defined(GO_ENCODE_ID_H)
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