1//===--- TestClangConfig.h ------------------------------------------------===//
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_TESTING_TESTCLANGCONFIG_H
10#define LLVM_CLANG_TESTING_TESTCLANGCONFIG_H
11
12#include "clang/Testing/CommandLineArgs.h"
13#include "llvm/Support/raw_ostream.h"
14#include <string>
15#include <vector>
16
17namespace clang {
18
19/// A Clang configuration for end-to-end tests that can be converted to
20/// command line arguments for the driver.
21///
22/// The configuration is represented as typed, named values, making it easier
23/// and safer to work with compared to an array of string command line flags.
24struct TestClangConfig {
25  TestLanguage Language;
26
27  /// The argument of the `-target` command line flag.
28  std::string Target;
29
30  bool isC() const { return Language == Lang_C89 || Language == Lang_C99; }
31
32  bool isC99OrLater() const { return Language == Lang_C99; }
33
34  bool isCXX() const {
35    return Language == Lang_CXX03 || Language == Lang_CXX11 ||
36           Language == Lang_CXX14 || Language == Lang_CXX17 ||
37           Language == Lang_CXX20;
38  }
39
40  bool isCXX11OrLater() const {
41    return Language == Lang_CXX11 || Language == Lang_CXX14 ||
42           Language == Lang_CXX17 || Language == Lang_CXX20;
43  }
44
45  bool isCXX14OrLater() const {
46    return Language == Lang_CXX14 || Language == Lang_CXX17 ||
47           Language == Lang_CXX20;
48  }
49
50  bool isCXX17OrLater() const {
51    return Language == Lang_CXX17 || Language == Lang_CXX20;
52  }
53
54  bool isCXX20OrLater() const { return Language == Lang_CXX20; }
55
56  bool supportsCXXDynamicExceptionSpecification() const {
57    return Language == Lang_CXX03 || Language == Lang_CXX11 ||
58           Language == Lang_CXX14;
59  }
60
61  bool hasDelayedTemplateParsing() const {
62    return Target == "x86_64-pc-win32-msvc";
63  }
64
65  std::vector<std::string> getCommandLineArgs() const {
66    std::vector<std::string> Result = getCommandLineArgsForTesting(Language);
67    Result.push_back("-target");
68    Result.push_back(Target);
69    return Result;
70  }
71
72  std::string toString() const {
73    std::string Result;
74    llvm::raw_string_ostream OS(Result);
75    OS << "{ Language=" << Language << ", Target=" << Target << " }";
76    return Result;
77  }
78
79  friend std::ostream &operator<<(std::ostream &OS,
80                                  const TestClangConfig &ClangConfig) {
81    return OS << ClangConfig.toString();
82  }
83};
84
85} // end namespace clang
86
87#endif
88