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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
//===--- AttributeList.h ----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the AttributeList class interface.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_ATTRLIST_H
#define LLVM_CLANG_ATTRLIST_H
#include "clang/Parse/Ownership.h"
#include "clang/Basic/SourceLocation.h"
#include <cassert>
namespace clang {
class IdentifierInfo;
class Action;
/// AttributeList - Represents GCC's __attribute__ declaration. There are
/// 4 forms of this construct...they are:
///
/// 1: __attribute__(( const )). ParmName/Args/NumArgs will all be unused.
/// 2: __attribute__(( mode(byte) )). ParmName used, Args/NumArgs unused.
/// 3: __attribute__(( format(printf, 1, 2) )). ParmName/Args/NumArgs all used.
/// 4: __attribute__(( aligned(16) )). ParmName is unused, Args/Num used.
///
class AttributeList {
IdentifierInfo *AttrName;
SourceLocation AttrLoc;
IdentifierInfo *ScopeName;
SourceLocation ScopeLoc;
IdentifierInfo *ParmName;
SourceLocation ParmLoc;
ActionBase::ExprTy **Args;
unsigned NumArgs;
AttributeList *Next;
bool DeclspecAttribute, CXX0XAttribute;
mutable bool Invalid; /// True if already diagnosed as invalid.
AttributeList(const AttributeList &); // DO NOT IMPLEMENT
void operator=(const AttributeList &); // DO NOT IMPLEMENT
public:
AttributeList(IdentifierInfo *AttrName, SourceLocation AttrLoc,
IdentifierInfo *ScopeName, SourceLocation ScopeLoc,
IdentifierInfo *ParmName, SourceLocation ParmLoc,
ActionBase::ExprTy **args, unsigned numargs,
AttributeList *Next, bool declspec = false, bool cxx0x = false);
~AttributeList();
enum Kind { // Please keep this list alphabetized.
AT_IBAction, // Clang-specific.
AT_IBOutlet, // Clang-specific.
AT_address_space,
AT_alias,
AT_aligned,
AT_always_inline,
AT_analyzer_noreturn,
AT_annotate,
AT_base_check,
AT_blocks,
AT_carries_dependency,
AT_cdecl,
AT_cleanup,
AT_const,
AT_constructor,
AT_deprecated,
AT_destructor,
AT_dllexport,
AT_dllimport,
AT_ext_vector_type,
AT_fastcall,
AT_final,
AT_format,
AT_format_arg,
AT_gnu_inline,
AT_hiding,
AT_malloc,
AT_mode,
AT_nodebug,
AT_noinline,
AT_no_instrument_function,
AT_nonnull,
AT_noreturn,
AT_nothrow,
AT_nsobject,
AT_objc_exception,
AT_override,
AT_cf_returns_not_retained, // Clang-specific.
AT_cf_returns_retained, // Clang-specific.
AT_ns_returns_not_retained, // Clang-specific.
AT_ns_returns_retained, // Clang-specific.
AT_objc_gc,
AT_overloadable, // Clang-specific.
AT_packed,
AT_pure,
AT_regparm,
AT_section,
AT_sentinel,
AT_stdcall,
AT_transparent_union,
AT_unavailable,
AT_unused,
AT_used,
AT_vector_size,
AT_visibility,
AT_warn_unused_result,
AT_weak,
AT_weakref,
AT_weak_import,
AT_reqd_wg_size,
IgnoredAttribute,
UnknownAttribute
};
IdentifierInfo *getName() const { return AttrName; }
SourceLocation getLoc() const { return AttrLoc; }
bool hasScope() const { return ScopeName; }
IdentifierInfo *getScopeName() const { return ScopeName; }
SourceLocation getScopeLoc() const { return ScopeLoc; }
IdentifierInfo *getParameterName() const { return ParmName; }
bool isDeclspecAttribute() const { return DeclspecAttribute; }
bool isCXX0XAttribute() const { return CXX0XAttribute; }
bool isInvalid() const { return Invalid; }
void setInvalid(bool b = true) const { Invalid = b; }
Kind getKind() const { return getKind(getName()); }
static Kind getKind(const IdentifierInfo *Name);
AttributeList *getNext() const { return Next; }
void setNext(AttributeList *N) { Next = N; }
/// getNumArgs - Return the number of actual arguments to this attribute.
unsigned getNumArgs() const { return NumArgs; }
/// getArg - Return the specified argument.
ActionBase::ExprTy *getArg(unsigned Arg) const {
assert(Arg < NumArgs && "Arg access out of range!");
return Args[Arg];
}
class arg_iterator {
ActionBase::ExprTy** X;
unsigned Idx;
public:
arg_iterator(ActionBase::ExprTy** x, unsigned idx) : X(x), Idx(idx) {}
arg_iterator& operator++() {
++Idx;
return *this;
}
bool operator==(const arg_iterator& I) const {
assert (X == I.X &&
"compared arg_iterators are for different argument lists");
return Idx == I.Idx;
}
bool operator!=(const arg_iterator& I) const {
return !operator==(I);
}
ActionBase::ExprTy* operator*() const {
return X[Idx];
}
unsigned getArgNum() const {
return Idx+1;
}
};
arg_iterator arg_begin() const {
return arg_iterator(Args, 0);
}
arg_iterator arg_end() const {
return arg_iterator(Args, NumArgs);
}
};
/// addAttributeLists - Add two AttributeLists together
/// The right-hand list is appended to the left-hand list, if any
/// A pointer to the joined list is returned.
/// Note: the lists are not left unmodified.
inline AttributeList* addAttributeLists (AttributeList *Left,
AttributeList *Right) {
if (!Left)
return Right;
AttributeList *next = Left, *prev;
do {
prev = next;
next = next->getNext();
} while (next);
prev->setNext(Right);
return Left;
}
/// CXX0XAttributeList - A wrapper around a C++0x attribute list.
/// Stores, in addition to the list proper, whether or not an actual list was
/// (as opposed to an empty list, which may be ill-formed in some places) and
/// the source range of the list.
struct CXX0XAttributeList {
AttributeList *AttrList;
SourceRange Range;
bool HasAttr;
CXX0XAttributeList (AttributeList *attrList, SourceRange range, bool hasAttr)
: AttrList(attrList), Range(range), HasAttr (hasAttr) {
}
CXX0XAttributeList ()
: AttrList(0), Range(), HasAttr(false) {
}
};
} // end namespace clang
#endif
|
