1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
//===--- HeaderSearchOptions.h ----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_FRONTEND_HEADERSEARCHOPTIONS_H
#define LLVM_CLANG_FRONTEND_HEADERSEARCHOPTIONS_H
#include "llvm/ADT/StringRef.h"
#include <vector>
namespace clang {
namespace frontend {
/// IncludeDirGroup - Identifiers the group a include entry belongs to, which
/// represents its relative positive in the search list. A \#include of a ""
/// path starts at the -iquote group, then searches the Angled group, then
/// searches the system group, etc.
enum IncludeDirGroup {
Quoted = 0, ///< '\#include ""' paths, added by 'gcc -iquote'.
Angled, ///< Paths for '\#include <>' added by '-I'.
IndexHeaderMap, ///< Like Angled, but marks header maps used when
/// building frameworks.
System, ///< Like Angled, but marks system directories.
CSystem, ///< Like System, but only used for C.
CXXSystem, ///< Like System, but only used for C++.
ObjCSystem, ///< Like System, but only used for ObjC.
ObjCXXSystem, ///< Like System, but only used for ObjC++.
After ///< Like System, but searched after the system directories.
};
}
/// HeaderSearchOptions - Helper class for storing options related to the
/// initialization of the HeaderSearch object.
class HeaderSearchOptions {
public:
struct Entry {
std::string Path;
frontend::IncludeDirGroup Group;
unsigned IsUserSupplied : 1;
unsigned IsFramework : 1;
/// IgnoreSysRoot - This is false if an absolute path should be treated
/// relative to the sysroot, or true if it should always be the absolute
/// path.
unsigned IgnoreSysRoot : 1;
/// \brief True if this entry is an internal search path.
///
/// This typically indicates that users didn't directly provide it, but
/// instead it was provided by a compatibility layer for a particular
/// system. This isn't redundant with IsUserSupplied (even though perhaps
/// it should be) because that is false for user provided '-iwithprefix'
/// header search entries.
unsigned IsInternal : 1;
/// \brief True if this entry's headers should be wrapped in extern "C".
unsigned ImplicitExternC : 1;
Entry(StringRef path, frontend::IncludeDirGroup group,
bool isUserSupplied, bool isFramework, bool ignoreSysRoot,
bool isInternal, bool implicitExternC)
: Path(path), Group(group), IsUserSupplied(isUserSupplied),
IsFramework(isFramework), IgnoreSysRoot(ignoreSysRoot),
IsInternal(isInternal), ImplicitExternC(implicitExternC) {}
};
struct SystemHeaderPrefix {
/// A prefix to be matched against paths in \#include directives.
std::string Prefix;
/// True if paths beginning with this prefix should be treated as system
/// headers.
bool IsSystemHeader;
SystemHeaderPrefix(StringRef Prefix, bool IsSystemHeader)
: Prefix(Prefix), IsSystemHeader(IsSystemHeader) {}
};
/// If non-empty, the directory to use as a "virtual system root" for include
/// paths.
std::string Sysroot;
/// User specified include entries.
std::vector<Entry> UserEntries;
/// User-specified system header prefixes.
std::vector<SystemHeaderPrefix> SystemHeaderPrefixes;
/// The directory which holds the compiler resource files (builtin includes,
/// etc.).
std::string ResourceDir;
/// \brief The directory used for the module cache.
std::string ModuleCachePath;
/// \brief Whether we should disable the use of the hash string within the
/// module cache.
///
/// Note: Only used for testing!
unsigned DisableModuleHash : 1;
/// Include the compiler builtin includes.
unsigned UseBuiltinIncludes : 1;
/// Include the system standard include search directories.
unsigned UseStandardSystemIncludes : 1;
/// Include the system standard C++ library include search directories.
unsigned UseStandardCXXIncludes : 1;
/// Use libc++ instead of the default libstdc++.
unsigned UseLibcxx : 1;
/// Whether header search information should be output as for -v.
unsigned Verbose : 1;
public:
HeaderSearchOptions(StringRef _Sysroot = "/")
: Sysroot(_Sysroot), DisableModuleHash(0), UseBuiltinIncludes(true),
UseStandardSystemIncludes(true), UseStandardCXXIncludes(true),
UseLibcxx(false), Verbose(false) {}
/// AddPath - Add the \arg Path path to the specified \arg Group list.
void AddPath(StringRef Path, frontend::IncludeDirGroup Group,
bool IsUserSupplied, bool IsFramework, bool IgnoreSysRoot,
bool IsInternal = false, bool ImplicitExternC = false) {
UserEntries.push_back(Entry(Path, Group, IsUserSupplied, IsFramework,
IgnoreSysRoot, IsInternal, ImplicitExternC));
}
/// AddSystemHeaderPrefix - Override whether \#include directives naming a
/// path starting with \arg Prefix should be considered as naming a system
/// header.
void AddSystemHeaderPrefix(StringRef Prefix, bool IsSystemHeader) {
SystemHeaderPrefixes.push_back(SystemHeaderPrefix(Prefix, IsSystemHeader));
}
};
} // end namespace clang
#endif
|
