1 //===--- DependencyOutputOptions.h ------------------------------*- 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_FRONTEND_DEPENDENCYOUTPUTOPTIONS_H
10 #define LLVM_CLANG_FRONTEND_DEPENDENCYOUTPUTOPTIONS_H
11 
12 #include <string>
13 #include <vector>
14 
15 namespace clang {
16 
17 /// ShowIncludesDestination - Destination for /showIncludes output.
18 enum class ShowIncludesDestination { None, Stdout, Stderr };
19 
20 /// DependencyOutputFormat - Format for the compiler dependency file.
21 enum class DependencyOutputFormat { Make, NMake };
22 
23 /// DependencyOutputOptions - Options for controlling the compiler dependency
24 /// file generation.
25 class DependencyOutputOptions {
26 public:
27   unsigned IncludeSystemHeaders : 1; ///< Include system header dependencies.
28   unsigned ShowHeaderIncludes : 1;   ///< Show header inclusions (-H).
29   unsigned UsePhonyTargets : 1;      ///< Include phony targets for each
30                                      /// dependency, which can avoid some 'make'
31                                      /// problems.
32   unsigned AddMissingHeaderDeps : 1; ///< Add missing headers to dependency list
33   unsigned IncludeModuleFiles : 1; ///< Include module file dependencies.
34 
35   /// Destination of cl.exe style /showIncludes info.
36   ShowIncludesDestination ShowIncludesDest = ShowIncludesDestination::None;
37 
38   /// The format for the dependency file.
39   DependencyOutputFormat OutputFormat = DependencyOutputFormat::Make;
40 
41   /// The file to write dependency output to.
42   std::string OutputFile;
43 
44   /// The file to write header include output to. This is orthogonal to
45   /// ShowHeaderIncludes (-H) and will include headers mentioned in the
46   /// predefines buffer. If the output file is "-", output will be sent to
47   /// stderr.
48   std::string HeaderIncludeOutputFile;
49 
50   /// A list of names to use as the targets in the dependency file; this list
51   /// must contain at least one entry.
52   std::vector<std::string> Targets;
53 
54   /// A list of filenames to be used as extra dependencies for every target.
55   std::vector<std::string> ExtraDeps;
56 
57   /// In /showIncludes mode, pretend the main TU is a header with this name.
58   std::string ShowIncludesPretendHeader;
59 
60   /// The file to write GraphViz-formatted header dependencies to.
61   std::string DOTOutputFile;
62 
63   /// The directory to copy module dependencies to when collecting them.
64   std::string ModuleDependencyOutputDir;
65 
66 public:
67   DependencyOutputOptions()
68       : IncludeSystemHeaders(0), ShowHeaderIncludes(0), UsePhonyTargets(0),
69         AddMissingHeaderDeps(0), IncludeModuleFiles(0) {}
70 };
71 
72 }  // end namespace clang
73 
74 #endif
75