clang-tools  10.0.0svn
SymbolOrigin.h
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1 //===--- SymbolOrigin.h ------------------------------------------*- C++-*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_INDEX_SYMBOL_ORIGIN_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANGD_INDEX_SYMBOL_ORIGIN_H
11 
12 #include "llvm/Support/raw_ostream.h"
13 #include <cstdint>
14 
15 namespace clang {
16 namespace clangd {
17 
18 // Describes the source of information about a symbol.
19 // Mainly useful for debugging, e.g. understanding code completion reuslts.
20 // This is a bitfield as information can be combined from several sources.
21 enum class SymbolOrigin : uint8_t {
22  Unknown = 0,
23  AST = 1 << 0, // Directly from the AST (indexes should not set this).
24  Dynamic = 1 << 1, // From the dynamic index of opened files.
25  Static = 1 << 2, // From the static, externally-built index.
26  Merge = 1 << 3, // A non-trivial index merge was performed.
27  Identifier = 1 << 4, // Raw identifiers in file.
28  // Remaining bits reserved for index implementations.
29 };
30 
32  return static_cast<SymbolOrigin>(static_cast<uint8_t>(A) |
33  static_cast<uint8_t>(B));
34 }
36  return A = A | B;
37 }
39  return static_cast<SymbolOrigin>(static_cast<uint8_t>(A) &
40  static_cast<uint8_t>(B));
41 }
42 
43 llvm::raw_ostream &operator<<(llvm::raw_ostream &, SymbolOrigin);
44 
45 } // namespace clangd
46 } // namespace clang
47 
48 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANGD_INDEX_SYMBOL_ORIGIN_H
DeclRelationSet operator &(DeclRelation L, DeclRelation R)
Definition: FindTarget.h:176
DeclRelationSet operator|(DeclRelation L, DeclRelation R)
Definition: FindTarget.h:173
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
llvm::raw_ostream & operator<<(llvm::raw_ostream &OS, const CodeCompletion &C)
IncludeGraphNode::SourceFlag & operator|=(IncludeGraphNode::SourceFlag &A, IncludeGraphNode::SourceFlag B)
Definition: Headers.h:96