1 //===- NodeIntrospection.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 //  This file contains the implementation of the NodeIntrospection.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "clang/Tooling/NodeIntrospection.h"
14 
15 #include "clang/AST/AST.h"
16 #include "llvm/Support/raw_ostream.h"
17 
18 namespace clang {
19 
20 namespace tooling {
21 
22 void LocationCallFormatterCpp::print(const LocationCall &Call,
23                                      llvm::raw_ostream &OS) {
24   if (const LocationCall *On = Call.on()) {
25     print(*On, OS);
26     if (On->returnsPointer())
27       OS << "->";
28     else
29       OS << '.';
30   }
31 
32   OS << Call.name() << "()";
33 }
34 
35 std::string LocationCallFormatterCpp::format(const LocationCall &Call) {
36   std::string Result;
37   llvm::raw_string_ostream OS(Result);
38   print(Call, OS);
39   OS.flush();
40   return Result;
41 }
42 
43 namespace internal {
44 
45 static bool locationCallLessThan(const LocationCall *LHS,
46                                  const LocationCall *RHS) {
47   if (!LHS && !RHS)
48     return false;
49   if (LHS && !RHS)
50     return true;
51   if (!LHS && RHS)
52     return false;
53   auto compareResult = LHS->name().compare(RHS->name());
54   if (compareResult < 0)
55     return true;
56   if (compareResult > 0)
57     return false;
58   return locationCallLessThan(LHS->on(), RHS->on());
59 }
60 
61 bool RangeLessThan::operator()(
62     std::pair<SourceRange, SharedLocationCall> const &LHS,
63     std::pair<SourceRange, SharedLocationCall> const &RHS) const {
64   if (LHS.first.getBegin() < RHS.first.getBegin())
65     return true;
66   else if (LHS.first.getBegin() != RHS.first.getBegin())
67     return false;
68 
69   if (LHS.first.getEnd() < RHS.first.getEnd())
70     return true;
71   else if (LHS.first.getEnd() != RHS.first.getEnd())
72     return false;
73 
74   return locationCallLessThan(LHS.second.get(), RHS.second.get());
75 }
76 bool RangeLessThan::operator()(
77     std::pair<SourceLocation, SharedLocationCall> const &LHS,
78     std::pair<SourceLocation, SharedLocationCall> const &RHS) const {
79   if (LHS.first == RHS.first)
80     return locationCallLessThan(LHS.second.get(), RHS.second.get());
81   return LHS.first < RHS.first;
82 }
83 } // namespace internal
84 
85 } // namespace tooling
86 } // namespace clang
87 
88 #include "clang/Tooling/NodeIntrospection.inc"
89