1 // RUN: %check_clang_tidy %s modernize-raw-string-literal %t -- -config="{CheckOptions: [{key: modernize-raw-string-literal.ReplaceShorterLiterals, value: 1}]}" -- -std=c++11
2 
3 char const *const BackSlash("goink\\frob");
4 // CHECK-MESSAGES: :[[@LINE-1]]:29: warning: escaped string literal can be written as a raw string literal [modernize-raw-string-literal]
5 // CHECK-FIXES: {{^}}char const *const BackSlash(R"(goink\frob)");{{$}}
6 
7 char const *const PlainLiteral("plain literal");
8 
9 // Non-printable ASCII characters.
10 char const *const Nul("goink\\\000");
11 char const *const Soh("goink\\\001");
12 char const *const Stx("goink\\\002");
13 char const *const Etx("goink\\\003");
14 char const *const Enq("goink\\\004");
15 char const *const Ack("goink\\\005");
16 char const *const Bell("goink\\\afrob");
17 char const *const BackSpace("goink\\\bfrob");
18 char const *const HorizontalTab("goink\\\tfrob");
19 char const *const NewLine("goink\nfrob");
20 char const *const VerticalTab("goink\\\vfrob");
21 char const *const FormFeed("goink\\\ffrob");
22 char const *const CarraigeReturn("goink\\\rfrob");
23 char const *const So("goink\\\016");
24 char const *const Si("goink\\\017");
25 char const *const Dle("goink\\\020");
26 char const *const Dc1("goink\\\021");
27 char const *const Dc2("goink\\\022");
28 char const *const Dc3("goink\\\023");
29 char const *const Dc4("goink\\\024");
30 char const *const Nak("goink\\\025");
31 char const *const Syn("goink\\\026");
32 char const *const Etb("goink\\\027");
33 char const *const Can("goink\\\030");
34 char const *const Em("goink\\\031");
35 char const *const Sub("goink\\\032");
36 char const *const Esc("goink\\\033");
37 char const *const Fs("goink\\\034");
38 char const *const Gs("goink\\\035");
39 char const *const Rs("goink\\\036");
40 char const *const Us("goink\\\037");
41 char const *const HexNonPrintable("\\\x03");
42 char const *const Delete("\\\177");
43 char const *const MultibyteSnowman("\xE2\x98\x83");
44 // CHECK-FIXES: {{^}}char const *const MultibyteSnowman("\xE2\x98\x83");{{$}}
45 
46 char const *const TrailingSpace("A line \\with space. \n");
47 char const *const TrailingNewLine("A single \\line.\n");
48 char const *const AlreadyRaw(R"(foobie\\bletch)");
49 char const *const UTF8Literal(u8"foobie\\bletch");
50 char const *const UTF8RawLiteral(u8R"(foobie\\bletch)");
51 // TODO: enable these tests once all supported compilers
52 // support char16_t and char32_t (VS2013 does not)
53 // char16_t const *const UTF16Literal(u"foobie\\bletch");
54 // char16_t const *const UTF16RawLiteral(uR"(foobie\\bletch)");
55 // char32_t const *const UTF32Literal(U"foobie\\bletch");
56 // char32_t const *const UTF32RawLiteral(UR"(foobie\\bletch)");
57 wchar_t const *const WideLiteral(L"foobie\\bletch");
58 wchar_t const *const WideRawLiteral(LR"(foobie\\bletch)");
59 
60 char const *const SingleQuote("goink\'frob");
61 // CHECK-MESSAGES: :[[@LINE-1]]:31: warning: {{.*}} can be written as a raw string literal
62 // CHECK-XFIXES: {{^}}char const *const SingleQuote(R"(goink'frob)");{{$}}
63 
64 char const *const DoubleQuote("goink\"frob");
65 // CHECK-MESSAGES: :[[@LINE-1]]:31: warning: {{.*}} can be written as a raw string literal
66 // CHECK-FIXES: {{^}}char const *const DoubleQuote(R"(goink"frob)");{{$}}
67 
68 char const *const QuestionMark("goink\?frob");
69 // CHECK-MESSAGES: :[[@LINE-1]]:32: warning: {{.*}} can be written as a raw string literal
70 // CHECK-FIXES: {{^}}char const *const QuestionMark(R"(goink?frob)");{{$}}
71 
72 char const *const RegEx("goink\\(one|two\\)\\\\\\?.*\\nfrob");
73 // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: {{.*}} can be written as a raw string literal
74 // CHECK-FIXES: {{^}}char const *const RegEx(R"(goink\(one|two\)\\\?.*\nfrob)");{{$}}
75 
76 char const *const Path("C:\\Program Files\\Vendor\\Application\\Application.exe");
77 // CHECK-MESSAGES: :[[@LINE-1]]:24: warning: {{.*}} can be written as a raw string literal
78 // CHECK-FIXES: {{^}}char const *const Path(R"(C:\Program Files\Vendor\Application\Application.exe)");{{$}}
79 
80 char const *const ContainsSentinel("who\\ops)\"");
81 // CHECK-MESSAGES: :[[@LINE-1]]:36: warning: {{.*}} can be written as a raw string literal
82 // CHECK-FIXES: {{^}}char const *const ContainsSentinel(R"lit(who\ops)")lit");{{$}}
83 
84 char const *const ContainsDelim("whoops)\")lit\"");
85 // CHECK-MESSAGES: :[[@LINE-1]]:33: warning: {{.*}} can be written as a raw string literal
86 // CHECK-FIXES: {{^}}char const *const ContainsDelim(R"lit1(whoops)")lit")lit1");{{$}}
87 
88 char const *const OctalPrintable("\100\\");
89 // CHECK-MESSAGES: :[[@LINE-1]]:34: warning: {{.*}} can be written as a raw string literal
90 // CHECK-FIXES: {{^}}char const *const OctalPrintable(R"(@\)");{{$}}
91 
92 char const *const HexPrintable("\x40\\");
93 // CHECK-MESSAGES: :[[@LINE-1]]:32: warning: {{.*}} can be written as a raw string literal
94 // CHECK-FIXES: {{^}}char const *const HexPrintable(R"(@\)");{{$}}
95 
96 char const *const prettyFunction(__PRETTY_FUNCTION__);
97 char const *const function(__FUNCTION__);
98 char const *const func(__func__);
99 
100 #define TRICK(arg_) #arg_
101 char const *const MacroBody = TRICK(foo\\bar);
102 
103 #define HAT(rabbit_) #rabbit_ "foo\\bar"
104 char const *const StringizedMacroArgument = HAT(foo\\bar);
105 
106 #define SUBST(lit_) lit_
107 char const *const MacroArgument = SUBST("foo\\bar");
108 // FIXME: We should be able to replace this string literal macro argument
109 
110 template <typename T>
fn(char const * const Arg)111 void fn(char const *const Arg) {
112   char const *const Str("foo\\bar");
113   // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: {{.*}} can be written as a raw string literal
114   // CHECK-FIXES: {{^}}  char const *const Str(R"(foo\bar)");{{$}}
115 }
116 
117 template <>
fn(char const * const Arg)118 void fn<int>(char const *const Arg) {
119   char const *const Str("foo\\bar");
120   // CHECK-MESSAGES: :[[@LINE-1]]:25: warning: {{.*}} can be written as a raw string literal
121   // CHECK-FIXES: {{^}}  char const *const Str(R"(foo\bar)");{{$}}
122 }
123 
callFn()124 void callFn() {
125   fn<int>("foo\\bar");
126   // CHECK-MESSAGES: :[[@LINE-1]]:11: warning: {{.*}} can be written as a raw string literal
127   // CHECK-FIXES: {{^}}  fn<int>(R"(foo\bar)");{{$}}
128   fn<double>("foo\\bar");
129   // CHECK-MESSAGES: :[[@LINE-1]]:14: warning: {{.*}} can be written as a raw string literal
130   // CHECK-FIXES: {{^}}  fn<double>(R"(foo\bar)");{{$}}
131 }
132