1// RUN: %check_clang_tidy %s modernize-use-std-print %t -- \
2// RUN: -config="{CheckOptions: \
3// RUN: { \
4// RUN: modernize-use-std-print.PrintfLikeFunctions: 'MyClass::printf', \
5// RUN: modernize-use-std-print.FprintfLikeFunctions: 'MyClass::fprintf', \
6// RUN: modernize-use-std-print.ReplacementPrintFunction: 'print', \
7// RUN: modernize-use-std-print.ReplacementPrintlnFunction: 'println', \
8// RUN: } \
9// RUN: }" \
10// RUN: -- -isystem %clang_tidy_headers
11
12#include <cstdio>
13#include <string.h>
14
15struct MyStruct {};
16
17struct MyClass
18{
19 template <typename... Args>
20 void printf(const char *fmt, Args &&...);
21 template <typename... Args>
22 int fprintf(MyStruct *param1, const char *fmt, Args &&...);
23};
24
25void printf_simple(MyClass &myclass, MyClass *pmyclass) {
26 myclass.printf(fmt: "printf dot %d", 42);
27 // CHECK-MESSAGES: [[@LINE-1]]:3: warning: use 'print' instead of 'printf' [modernize-use-std-print]
28 // CHECK-FIXES: myclass.print("printf dot {}", 42);
29
30 pmyclass->printf(fmt: "printf pointer %d", 43);
31 // CHECK-MESSAGES: [[@LINE-1]]:3: warning: use 'print' instead of 'printf' [modernize-use-std-print]
32 // CHECK-FIXES: pmyclass->print("printf pointer {}", 43);
33
34 (*pmyclass).printf(fmt: "printf deref pointer %d", 44);
35 // CHECK-MESSAGES: [[@LINE-1]]:3: warning: use 'print' instead of 'printf' [modernize-use-std-print]
36 // CHECK-FIXES: (*pmyclass).print("printf deref pointer {}", 44);
37}
38
39void printf_newline(MyClass &myclass, MyClass *pmyclass) {
40 myclass.printf(fmt: "printf dot newline %c\n", 'A');
41 // CHECK-MESSAGES: [[@LINE-1]]:3: warning: use 'println' instead of 'printf' [modernize-use-std-print]
42 // CHECK-FIXES: myclass.println("printf dot newline {}", 'A');
43
44 pmyclass->printf(fmt: "printf pointer newline %c\n", 'B');
45 // CHECK-MESSAGES: [[@LINE-1]]:3: warning: use 'println' instead of 'printf' [modernize-use-std-print]
46 // CHECK-FIXES: pmyclass->println("printf pointer newline {}", 'B');
47}
48
49void fprintf_simple(MyStruct *mystruct, MyClass &myclass, MyClass *pmyclass) {
50 myclass.fprintf(param1: mystruct, fmt: "fprintf dot %d", 142);
51 // CHECK-MESSAGES: [[@LINE-1]]:3: warning: use 'print' instead of 'fprintf' [modernize-use-std-print]
52 // CHECK-FIXES: myclass.print(mystruct, "fprintf dot {}", 142);
53
54 pmyclass->fprintf(param1: mystruct, fmt: "fprintf pointer %d", 143);
55 // CHECK-MESSAGES: [[@LINE-1]]:3: warning: use 'print' instead of 'fprintf' [modernize-use-std-print]
56 // CHECK-FIXES: pmyclass->print(mystruct, "fprintf pointer {}", 143);
57
58 (*pmyclass).fprintf(param1: mystruct, fmt: "fprintf deref pointer %d", 144);
59 // CHECK-MESSAGES: [[@LINE-1]]:3: warning: use 'print' instead of 'fprintf' [modernize-use-std-print]
60 // CHECK-FIXES: (*pmyclass).print(mystruct, "fprintf deref pointer {}", 144);
61}
62
63struct MyDerivedClass : public MyClass {};
64
65void printf_derived(MyDerivedClass &derived)
66{
67 derived.printf(fmt: "printf on derived class %d", 42);
68 // CHECK-MESSAGES: [[@LINE-1]]:3: warning: use 'print' instead of 'printf' [modernize-use-std-print]
69 // CHECK-FIXES: derived.print("printf on derived class {}", 42);
70}
71

source code of clang-tools-extra/test/clang-tidy/checkers/modernize/use-std-print-member.cpp