/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/include/clang/Basic/JsonSupport.h
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1 | | //===- JsonSupport.h - JSON Output Utilities --------------------*- 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_BASIC_JSONSUPPORT_H |
10 | | #define LLVM_CLANG_BASIC_JSONSUPPORT_H |
11 | | |
12 | | #include "clang/Basic/LLVM.h" |
13 | | #include "clang/Basic/SourceManager.h" |
14 | | #include "llvm/ADT/StringRef.h" |
15 | | #include "llvm/Support/Path.h" |
16 | | #include "llvm/Support/raw_ostream.h" |
17 | | #include <iterator> |
18 | | |
19 | | namespace clang { |
20 | | |
21 | | inline raw_ostream &Indent(raw_ostream &Out, const unsigned int Space, |
22 | 3.97k | bool IsDot) { |
23 | 20.2k | for (unsigned int I = 0; I < Space * 2; ++I16.3k ) |
24 | 16.3k | Out << (IsDot ? " "11.5k : " "4.72k ); |
25 | 3.97k | return Out; |
26 | 3.97k | } |
27 | | |
28 | 677 | inline std::string JsonFormat(StringRef RawSR, bool AddQuotes) { |
29 | 677 | if (RawSR.empty()) |
30 | 28 | return "null"; |
31 | | |
32 | | // Trim special characters. |
33 | 649 | std::string Str = RawSR.trim().str(); |
34 | 649 | size_t Pos = 0; |
35 | | |
36 | | // Escape backslashes. |
37 | 689 | while (true) { |
38 | 689 | Pos = Str.find('\\', Pos); |
39 | 689 | if (Pos == std::string::npos) |
40 | 649 | break; |
41 | | |
42 | | // Prevent bad conversions. |
43 | 40 | size_t TempPos = (Pos != 0) ? Pos - 1 : 00 ; |
44 | | |
45 | | // See whether the current backslash is not escaped. |
46 | 40 | if (TempPos != Str.find("\\\\", Pos)) { |
47 | 40 | Str.insert(Pos, "\\"); |
48 | 40 | ++Pos; // As we insert the backslash move plus one. |
49 | 40 | } |
50 | | |
51 | 40 | ++Pos; |
52 | 40 | } |
53 | | |
54 | | // Escape double quotes. |
55 | 649 | Pos = 0; |
56 | 725 | while (true) { |
57 | 725 | Pos = Str.find('\"', Pos); |
58 | 725 | if (Pos == std::string::npos) |
59 | 649 | break; |
60 | | |
61 | | // Prevent bad conversions. |
62 | 76 | size_t TempPos = (Pos != 0) ? Pos - 162 : 014 ; |
63 | | |
64 | | // See whether the current double quote is not escaped. |
65 | 76 | if (TempPos != Str.find("\\\"", Pos)) { |
66 | 76 | Str.insert(Pos, "\\"); |
67 | 76 | ++Pos; // As we insert the escape-character move plus one. |
68 | 76 | } |
69 | | |
70 | 76 | ++Pos; |
71 | 76 | } |
72 | | |
73 | | // Remove new-lines. |
74 | 649 | llvm::erase(Str, '\n'); |
75 | | |
76 | 649 | if (!AddQuotes) |
77 | 0 | return Str; |
78 | | |
79 | 649 | return '\"' + Str + '\"'; |
80 | 649 | } |
81 | | |
82 | | inline void printSourceLocationAsJson(raw_ostream &Out, SourceLocation Loc, |
83 | | const SourceManager &SM, |
84 | 170 | bool AddBraces = true) { |
85 | | // Mostly copy-pasted from SourceLocation::print. |
86 | 170 | if (!Loc.isValid()) { |
87 | 0 | Out << "null"; |
88 | 0 | return; |
89 | 0 | } |
90 | | |
91 | 170 | if (Loc.isFileID()) { |
92 | 165 | PresumedLoc PLoc = SM.getPresumedLoc(Loc); |
93 | | |
94 | 165 | if (PLoc.isInvalid()) { |
95 | 0 | Out << "null"; |
96 | 0 | return; |
97 | 0 | } |
98 | | // The macro expansion and spelling pos is identical for file locs. |
99 | 165 | if (AddBraces) |
100 | 160 | Out << "{ "; |
101 | 165 | std::string filename(PLoc.getFilename()); |
102 | 165 | if (is_style_windows(llvm::sys::path::Style::native)) { |
103 | | // Remove forbidden Windows path characters |
104 | 0 | llvm::erase_if(filename, [](auto Char) { |
105 | 0 | static const char ForbiddenChars[] = "<>*?\"|"; |
106 | 0 | return llvm::is_contained(ForbiddenChars, Char); |
107 | 0 | }); |
108 | | // Handle windows-specific path delimiters. |
109 | 0 | std::replace(filename.begin(), filename.end(), '\\', '/'); |
110 | 0 | } |
111 | 165 | Out << "\"line\": " << PLoc.getLine() |
112 | 165 | << ", \"column\": " << PLoc.getColumn() |
113 | 165 | << ", \"file\": \"" << filename << "\""; |
114 | 165 | if (AddBraces) |
115 | 160 | Out << " }"; |
116 | 165 | return; |
117 | 165 | } |
118 | | |
119 | | // We want 'location: { ..., spelling: { ... }}' but not |
120 | | // 'location: { ... }, spelling: { ... }', hence the dance |
121 | | // with braces. |
122 | 5 | Out << "{ "; |
123 | 5 | printSourceLocationAsJson(Out, SM.getExpansionLoc(Loc), SM, false); |
124 | 5 | Out << ", \"spelling\": "; |
125 | 5 | printSourceLocationAsJson(Out, SM.getSpellingLoc(Loc), SM, true); |
126 | 5 | Out << " }"; |
127 | 5 | } |
128 | | } // namespace clang |
129 | | |
130 | | #endif // LLVM_CLANG_BASIC_JSONSUPPORT_H |