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
|
// This file is part of the AspectC++ compiler 'ac++'.
// Copyright (C) 1999-2003 The 'ac++' developers (see aspectc.org)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
// MA 02111-1307 USA
#ifndef __IntroductionUnit_h__
#define __IntroductionUnit_h__
#include <string.h>
#include "version.h"
class ACM_Introduction;
#ifdef FRONTEND_PUMA
#include "ACUnit.h"
class IntroductionUnit : public ACUnit {
Unit *_target_unit;
int _nesting_level;
int _precedence;
bool _jp_needed;
ACM_Introduction *_intro;
void update_nesting_level () {
IntroductionUnit *outer = cast (_target_unit);
if (outer)
_nesting_level = outer->_nesting_level + 1;
}
public:
IntroductionUnit (ACErrorStream &e, Unit *t = 0) : ACUnit (e), _target_unit (t),
_nesting_level (0), _precedence (0), _jp_needed (false) {
name ("intro");
update_nesting_level ();
}
void target_unit (Unit *t) { _target_unit = t; update_nesting_level (); }
Unit *target_unit () const { return _target_unit; }
Unit *final_target_unit () const {
Unit *result = _target_unit;
const IntroductionUnit *intro_unit = 0;
do {
intro_unit = IntroductionUnit::cast (result);
if (intro_unit)
result = intro_unit->target_unit ();
} while (intro_unit);
return result;
}
int nesting_level () const { return _nesting_level; }
int precedence () const { return _precedence; }
void precedence (int p) { _precedence = p; }
bool jp_needed () const { return _jp_needed; }
void jp_needed (bool jpn) { _jp_needed = jpn; }
void intro (ACM_Introduction *i) { _intro = i; }
ACM_Introduction *intro () const { return _intro; }
static IntroductionUnit *cast (const Unit* u) {
return (u->name () && strcmp (u->name (), "intro") == 0) ? (IntroductionUnit*)u : 0;
}
};
#else
#include "llvm/Support/MemoryBuffer.h"
#include "clang/Basic/Version.h"
#include "clang/Basic/SourceLocation.h"
class IntroductionUnit {
const llvm::MemoryBuffer *_target_unit; // FIXME: Could get this from _loc.
clang::SourceLocation _target_loc;
#if CLANG_VERSION_NUMBER <= VERSION_NUMBER_3_5_2
llvm::MemoryBuffer *_buffer;
#endif
clang::FileID _fid;
int _nesting_level;
int _precedence;
bool _jp_needed;
ACM_Introduction *_intro;
string _content;
int _kind; // IU_OTHER, IU_BASE, IU_MEMBERS, or 0-N for non-inline member 'kind'
void update_nesting_level () {
IntroductionUnit *outer = cast (_target_unit);
if (outer)
_nesting_level = outer->_nesting_level + 1;
}
public:
enum { IU_OTHER = -3, IU_BASE = -2, IU_MEMBERS = -1 };
IntroductionUnit (int kind) :
_target_unit (0),
#if CLANG_VERSION_NUMBER <= VERSION_NUMBER_3_5_2
_buffer (0),
#endif
_nesting_level (0), _precedence (0),
_jp_needed (false), _intro (0), _kind(kind) {
}
bool is_base_intro () const { return _kind == IU_BASE; }
bool is_members_intro () const { return _kind == IU_MEMBERS; }
bool is_other_intro () const { return _kind == IU_OTHER; }
int non_inline_member_no () const { return _kind; } // < 0: error
void target_unit(const llvm::MemoryBuffer *t) {
_target_unit = t;
update_nesting_level();
}
const llvm::MemoryBuffer *target_unit () const { return _target_unit; }
const llvm::MemoryBuffer *final_target_unit () const {
const llvm::MemoryBuffer *result = _target_unit;
const IntroductionUnit *intro_unit = 0;
do {
intro_unit = IntroductionUnit::cast (result);
if (intro_unit)
result = intro_unit->target_unit ();
} while (intro_unit);
return result;
}
void location (clang::SourceLocation t) { _target_loc = t; }
clang::SourceLocation location () const { return _target_loc; }
void content (const string &str) { _content = str; }
const string &content () const { return _content; }
// create memory buffer on demand from _content string
#if CLANG_VERSION_NUMBER <= VERSION_NUMBER_3_5_2
llvm::MemoryBuffer *buffer () {
if (!_buffer) {
std::ostringstream name;
name << "<intro:" << (void *)this << '>';
_buffer = llvm::MemoryBuffer::getMemBufferCopy(_content, name.str());
}
return _buffer;
#else // C++ 11 interface
std::unique_ptr<llvm::MemoryBuffer> buffer () {
std::ostringstream name;
name << "<intro:" << (void *)this << '>';
// cout << "name: " << name.str () << endl << _content << endl << "--" << endl;
return llvm::MemoryBuffer::getMemBufferCopy(_content, name.str());
#endif
}
void file_id(clang::FileID t) { _fid = t; }
clang::FileID file_id () const { return _fid; }
int nesting_level () const { return _nesting_level; }
int precedence () const { return _precedence; }
void precedence (int p) { _precedence = p; }
bool jp_needed () const { return _jp_needed; }
void jp_needed (bool jpn) { _jp_needed = jpn; }
void intro (ACM_Introduction *i) { _intro = i; }
ACM_Introduction *intro () const { return _intro; }
static IntroductionUnit *cast (const llvm::MemoryBuffer *buf) {
#if CLANG_VERSION_NUMBER >= VERSION_NUMBER_4_0_0
const char *name = buf->getBufferIdentifier().data();
#else
const char *name = buf->getBufferIdentifier();
#endif
if (!strncmp(name, "<intro:", 7)) {
// We can't use istringstream here because libc++'s implementation is
// buggy http://llvm.org/PR19740.
void *ptr;
sscanf(name + 7, "%p", &ptr);
return (IntroductionUnit *)ptr;
}
return 0;
}
};
#endif
#endif // __IntroductionUnit_h__
|
