xref: /freebsd/contrib/llvm-project/clang/lib/Testing/CommandLineArgs.cpp (revision 0ad011ececb978e22a9bff2acf76633b094f1ff6)
1 //===--- CommandLineArgs.cpp ----------------------------------------------===//
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 #include "clang/Testing/CommandLineArgs.h"
10 #include "llvm/MC/TargetRegistry.h"
11 #include "llvm/Support/ErrorHandling.h"
12 
13 namespace clang {
14 
15 std::vector<std::string> getCommandLineArgsForTesting(TestLanguage Lang) {
16   std::vector<std::string> Args;
17   // Test with basic arguments.
18   switch (Lang) {
19   case Lang_C89:
20     Args = {"-x", "c", "-std=c89"};
21     break;
22   case Lang_C99:
23     Args = {"-x", "c", "-std=c99"};
24     break;
25   case Lang_CXX03:
26     Args = {"-std=c++03", "-frtti"};
27     break;
28   case Lang_CXX11:
29     Args = {"-std=c++11", "-frtti"};
30     break;
31   case Lang_CXX14:
32     Args = {"-std=c++14", "-frtti"};
33     break;
34   case Lang_CXX17:
35     Args = {"-std=c++17", "-frtti"};
36     break;
37   case Lang_CXX20:
38     Args = {"-std=c++20", "-frtti"};
39     break;
40   case Lang_OBJC:
41     Args = {"-x", "objective-c", "-frtti", "-fobjc-nonfragile-abi"};
42     break;
43   case Lang_OBJCXX:
44     Args = {"-x", "objective-c++", "-frtti"};
45     break;
46   case Lang_OpenCL:
47     llvm_unreachable("Not implemented yet!");
48   }
49   return Args;
50 }
51 
52 std::vector<std::string> getCC1ArgsForTesting(TestLanguage Lang) {
53   std::vector<std::string> Args;
54   switch (Lang) {
55   case Lang_C89:
56     Args = {"-xc", "-std=c89"};
57     break;
58   case Lang_C99:
59     Args = {"-xc", "-std=c99"};
60     break;
61   case Lang_CXX03:
62     Args = {"-std=c++03"};
63     break;
64   case Lang_CXX11:
65     Args = {"-std=c++11"};
66     break;
67   case Lang_CXX14:
68     Args = {"-std=c++14"};
69     break;
70   case Lang_CXX17:
71     Args = {"-std=c++17"};
72     break;
73   case Lang_CXX20:
74     Args = {"-std=c++20"};
75     break;
76   case Lang_OBJC:
77     Args = {"-xobjective-c"};
78     break;
79   case Lang_OBJCXX:
80     Args = {"-xobjective-c++"};
81     break;
82   case Lang_OpenCL:
83     llvm_unreachable("Not implemented yet!");
84   }
85   return Args;
86 }
87 
88 StringRef getFilenameForTesting(TestLanguage Lang) {
89   switch (Lang) {
90   case Lang_C89:
91   case Lang_C99:
92     return "input.c";
93 
94   case Lang_CXX03:
95   case Lang_CXX11:
96   case Lang_CXX14:
97   case Lang_CXX17:
98   case Lang_CXX20:
99     return "input.cc";
100 
101   case Lang_OpenCL:
102     return "input.cl";
103 
104   case Lang_OBJC:
105     return "input.m";
106 
107   case Lang_OBJCXX:
108     return "input.mm";
109   }
110   llvm_unreachable("Unhandled TestLanguage enum");
111 }
112 
113 std::string getAnyTargetForTesting() {
114   for (const auto &Target : llvm::TargetRegistry::targets()) {
115     std::string Error;
116     StringRef TargetName(Target.getName());
117     if (TargetName == "x86-64")
118       TargetName = "x86_64";
119     if (llvm::TargetRegistry::lookupTarget(std::string(TargetName), Error) ==
120         &Target) {
121       return std::string(TargetName);
122     }
123   }
124   return "";
125 }
126 
127 } // end namespace clang
128