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1 //===-- DeclVendor.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 LLDB_SYMBOL_DECLVENDOR_H
10 #define LLDB_SYMBOL_DECLVENDOR_H
11 
12 #include "lldb/lldb-defines.h"
13 
14 #include <vector>
15 
16 namespace lldb_private {
17 
18 // The Decl vendor class is intended as a generic interface to search for named
19 // declarations that are not necessarily backed by a specific symbol file.
20 class DeclVendor {
21 public:
22   enum DeclVendorKind {
23     eClangDeclVendor,
24     eClangModuleDeclVendor,
25     eAppleObjCDeclVendor,
26     eLastClangDeclVendor,
27   };
28   // Constructors and Destructors
DeclVendor(DeclVendorKind kind)29   DeclVendor(DeclVendorKind kind) : m_kind(kind) {}
30 
~DeclVendor()31   virtual ~DeclVendor() {}
32 
GetKind()33   DeclVendorKind GetKind() const { return m_kind; }
34 
35   /// Look up the set of Decls that the DeclVendor currently knows about
36   /// matching a given name.
37   ///
38   /// \param[in] name
39   ///     The name to look for.
40   ///
41   /// \param[in] append
42   ///     If true, FindDecls will clear "decls" when it starts.
43   ///
44   /// \param[in] max_matches
45   ///     The maximum number of Decls to return.  UINT32_MAX means "as
46   ///     many as possible."
47   ///
48   /// \return
49   ///     The number of Decls added to decls; will not exceed
50   ///     max_matches.
51   virtual uint32_t FindDecls(ConstString name, bool append,
52                              uint32_t max_matches,
53                              std::vector<CompilerDecl> &decls) = 0;
54 
55   /// Look up the types that the DeclVendor currently knows about matching a
56   /// given name.
57   ///
58   /// \param[in] name
59   ///     The name to look for.
60   ///
61   /// \param[in] max_matches
62   //      The maximum number of matches. UINT32_MAX means "as many as possible".
63   ///
64   /// \return
65   ///     The vector of CompilerTypes that was found.
66   std::vector<CompilerType> FindTypes(ConstString name, uint32_t max_matches);
67 
68 private:
69   // For DeclVendor only
70   DeclVendor(const DeclVendor &) = delete;
71   const DeclVendor &operator=(const DeclVendor &) = delete;
72 
73   const DeclVendorKind m_kind;
74 };
75 
76 } // namespace lldb_private
77 
78 #endif
79