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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
|
//===--- StmtXML.cpp - XML implementation for Stmt ASTs ------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the Stmt::dumpXML methods, which dump out the
// AST to an XML document.
//
//===----------------------------------------------------------------------===//
#include "clang/Frontend/DocumentXML.h"
#include "clang/AST/StmtVisitor.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclCXX.h"
#include "clang/Basic/SourceManager.h"
using namespace clang;
//===----------------------------------------------------------------------===//
// StmtXML Visitor
//===----------------------------------------------------------------------===//
namespace {
class StmtXML : public StmtVisitor<StmtXML> {
DocumentXML& Doc;
//static const char *getOpcodeStr(UnaryOperator::Opcode Op);
//static const char *getOpcodeStr(BinaryOperator::Opcode Op);
void addSpecialAttribute(const char* pName, StringLiteral* Str) {
Doc.addAttribute(pName, Doc.escapeString(Str->getStrData(), Str->getByteLength()));
}
void addSpecialAttribute(const char* pName, SizeOfAlignOfExpr* S) {
if (S->isArgumentType())
Doc.addAttribute(pName, S->getArgumentType());
}
void addSpecialAttribute(const char* pName, CXXTypeidExpr* S) {
if (S->isTypeOperand())
Doc.addAttribute(pName, S->getTypeOperand());
}
public:
StmtXML(DocumentXML& doc)
: Doc(doc) {
}
void DumpSubTree(Stmt *S) {
if (S) {
Visit(S);
if (DeclStmt* DS = dyn_cast<DeclStmt>(S)) {
for (DeclStmt::decl_iterator DI = DS->decl_begin(),
DE = DS->decl_end(); DI != DE; ++DI) {
Doc.PrintDecl(*DI);
}
} else {
for (Stmt::child_iterator i = S->child_begin(), e = S->child_end();
i != e; ++i)
DumpSubTree(*i);
}
Doc.toParent();
} else {
Doc.addSubNode("NULL").toParent();
}
}
#define NODE_XML( CLASS, NAME ) \
void Visit##CLASS(CLASS* S) \
{ \
typedef CLASS tStmtType; \
Doc.addSubNode(NAME);
#define ATTRIBUTE_XML( FN, NAME ) Doc.addAttribute(NAME, S->FN);
#define TYPE_ATTRIBUTE_XML( FN ) ATTRIBUTE_XML(FN, "type")
#define ATTRIBUTE_OPT_XML( FN, NAME ) Doc.addAttributeOptional(NAME, S->FN);
#define ATTRIBUTE_SPECIAL_XML( FN, NAME ) addSpecialAttribute(NAME, S);
#define ATTRIBUTE_FILE_LOCATION_XML Doc.addLocationRange(S->getSourceRange());
#define ATTRIBUTE_ENUM_XML( FN, NAME ) \
{ \
const char* pAttributeName = NAME; \
const bool optional = false; \
switch (S->FN) { \
default: assert(0 && "unknown enum value");
#define ATTRIBUTE_ENUM_OPT_XML( FN, NAME ) \
{ \
const char* pAttributeName = NAME; \
const bool optional = true; \
switch (S->FN) { \
default: assert(0 && "unknown enum value");
#define ENUM_XML( VALUE, NAME ) case VALUE: if ((!optional) || NAME[0]) Doc.addAttribute(pAttributeName, NAME); break;
#define END_ENUM_XML } }
#define END_NODE_XML }
#define ID_ATTRIBUTE_XML Doc.addAttribute("id", S);
#define SUB_NODE_XML( CLASS )
#define SUB_NODE_SEQUENCE_XML( CLASS )
#define SUB_NODE_OPT_XML( CLASS )
#include "clang/Frontend/StmtXML.def"
#if (0)
// Stmts.
void VisitStmt(Stmt *Node);
void VisitDeclStmt(DeclStmt *Node);
void VisitLabelStmt(LabelStmt *Node);
void VisitGotoStmt(GotoStmt *Node);
// Exprs
void VisitExpr(Expr *Node);
void VisitDeclRefExpr(DeclRefExpr *Node);
void VisitPredefinedExpr(PredefinedExpr *Node);
void VisitCharacterLiteral(CharacterLiteral *Node);
void VisitIntegerLiteral(IntegerLiteral *Node);
void VisitFloatingLiteral(FloatingLiteral *Node);
void VisitStringLiteral(StringLiteral *Str);
void VisitUnaryOperator(UnaryOperator *Node);
void VisitOffsetOfExpr(OffsetOfExpr *Node);
void VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *Node);
void VisitMemberExpr(MemberExpr *Node);
void VisitExtVectorElementExpr(ExtVectorElementExpr *Node);
void VisitBinaryOperator(BinaryOperator *Node);
void VisitCompoundAssignOperator(CompoundAssignOperator *Node);
void VisitAddrLabelExpr(AddrLabelExpr *Node);
void VisitTypesCompatibleExpr(TypesCompatibleExpr *Node);
// C++
void VisitCXXNamedCastExpr(CXXNamedCastExpr *Node);
void VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node);
void VisitCXXThisExpr(CXXThisExpr *Node);
void VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node);
// ObjC
void VisitObjCEncodeExpr(ObjCEncodeExpr *Node);
void VisitObjCMessageExpr(ObjCMessageExpr* Node);
void VisitObjCSelectorExpr(ObjCSelectorExpr *Node);
void VisitObjCProtocolExpr(ObjCProtocolExpr *Node);
void VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node);
void VisitObjCImplicitSetterGetterRefExpr(
ObjCImplicitSetterGetterRefExpr *Node);
void VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node);
void VisitObjCSuperExpr(ObjCSuperExpr *Node);
#endif
};
}
//===----------------------------------------------------------------------===//
// Stmt printing methods.
//===----------------------------------------------------------------------===//
#if (0)
void StmtXML::VisitStmt(Stmt *Node) {
// nothing special to do
}
void StmtXML::VisitDeclStmt(DeclStmt *Node) {
for (DeclStmt::decl_iterator DI = Node->decl_begin(), DE = Node->decl_end();
DI != DE; ++DI) {
Doc.PrintDecl(*DI);
}
}
void StmtXML::VisitLabelStmt(LabelStmt *Node) {
Doc.addAttribute("name", Node->getName());
}
void StmtXML::VisitGotoStmt(GotoStmt *Node) {
Doc.addAttribute("name", Node->getLabel()->getName());
}
//===----------------------------------------------------------------------===//
// Expr printing methods.
//===----------------------------------------------------------------------===//
void StmtXML::VisitExpr(Expr *Node) {
DumpExpr(Node);
}
void StmtXML::VisitDeclRefExpr(DeclRefExpr *Node) {
DumpExpr(Node);
const char* pKind;
switch (Node->getDecl()->getKind()) {
case Decl::Function: pKind = "FunctionDecl"; break;
case Decl::Var: pKind = "Var"; break;
case Decl::ParmVar: pKind = "ParmVar"; break;
case Decl::EnumConstant: pKind = "EnumConstant"; break;
case Decl::Typedef: pKind = "Typedef"; break;
case Decl::Record: pKind = "Record"; break;
case Decl::Enum: pKind = "Enum"; break;
case Decl::CXXRecord: pKind = "CXXRecord"; break;
case Decl::ObjCInterface: pKind = "ObjCInterface"; break;
case Decl::ObjCClass: pKind = "ObjCClass"; break;
default: pKind = "Decl"; break;
}
Doc.addAttribute("kind", pKind);
Doc.addAttribute("name", Node->getDecl()->getNameAsString());
Doc.addRefAttribute(Node->getDecl());
}
void StmtXML::VisitPredefinedExpr(PredefinedExpr *Node) {
DumpExpr(Node);
switch (Node->getIdentType()) {
default: assert(0 && "unknown case");
case PredefinedExpr::Func: Doc.addAttribute("predefined", " __func__"); break;
case PredefinedExpr::Function: Doc.addAttribute("predefined", " __FUNCTION__"); break;
case PredefinedExpr::PrettyFunction: Doc.addAttribute("predefined", " __PRETTY_FUNCTION__");break;
}
}
void StmtXML::VisitCharacterLiteral(CharacterLiteral *Node) {
DumpExpr(Node);
Doc.addAttribute("value", Node->getValue());
}
void StmtXML::VisitIntegerLiteral(IntegerLiteral *Node) {
DumpExpr(Node);
bool isSigned = Node->getType()->isSignedIntegerType();
Doc.addAttribute("value", Node->getValue().toString(10, isSigned));
}
void StmtXML::VisitFloatingLiteral(FloatingLiteral *Node) {
DumpExpr(Node);
// FIXME: output float as written in source (no approximation or the like)
//Doc.addAttribute("value", Node->getValueAsApproximateDouble()));
Doc.addAttribute("value", "FIXME");
}
void StmtXML::VisitStringLiteral(StringLiteral *Str) {
DumpExpr(Str);
if (Str->isWide())
Doc.addAttribute("is_wide", "1");
Doc.addAttribute("value", Doc.escapeString(Str->getStrData(), Str->getByteLength()));
}
const char *StmtXML::getOpcodeStr(UnaryOperator::Opcode Op) {
switch (Op) {
default: assert(0 && "Unknown unary operator");
case UnaryOperator::PostInc: return "postinc";
case UnaryOperator::PostDec: return "postdec";
case UnaryOperator::PreInc: return "preinc";
case UnaryOperator::PreDec: return "predec";
case UnaryOperator::AddrOf: return "addrof";
case UnaryOperator::Deref: return "deref";
case UnaryOperator::Plus: return "plus";
case UnaryOperator::Minus: return "minus";
case UnaryOperator::Not: return "not";
case UnaryOperator::LNot: return "lnot";
case UnaryOperator::Real: return "__real";
case UnaryOperator::Imag: return "__imag";
case UnaryOperator::Extension: return "__extension__";
case UnaryOperator::OffsetOf: return "__builtin_offsetof";
}
}
const char *StmtXML::getOpcodeStr(BinaryOperator::Opcode Op) {
switch (Op) {
default: assert(0 && "Unknown binary operator");
case BinaryOperator::PtrMemD: return "ptrmemd";
case BinaryOperator::PtrMemI: return "ptrmemi";
case BinaryOperator::Mul: return "mul";
case BinaryOperator::Div: return "div";
case BinaryOperator::Rem: return "rem";
case BinaryOperator::Add: return "add";
case BinaryOperator::Sub: return "sub";
case BinaryOperator::Shl: return "shl";
case BinaryOperator::Shr: return "shr";
case BinaryOperator::LT: return "lt";
case BinaryOperator::GT: return "gt";
case BinaryOperator::LE: return "le";
case BinaryOperator::GE: return "ge";
case BinaryOperator::EQ: return "eq";
case BinaryOperator::NE: return "ne";
case BinaryOperator::And: return "and";
case BinaryOperator::Xor: return "xor";
case BinaryOperator::Or: return "or";
case BinaryOperator::LAnd: return "land";
case BinaryOperator::LOr: return "lor";
case BinaryOperator::Assign: return "assign";
case BinaryOperator::MulAssign: return "mulassign";
case BinaryOperator::DivAssign: return "divassign";
case BinaryOperator::RemAssign: return "remassign";
case BinaryOperator::AddAssign: return "addassign";
case BinaryOperator::SubAssign: return "subassign";
case BinaryOperator::ShlAssign: return "shlassign";
case BinaryOperator::ShrAssign: return "shrassign";
case BinaryOperator::AndAssign: return "andassign";
case BinaryOperator::XorAssign: return "xorassign";
case BinaryOperator::OrAssign: return "orassign";
case BinaryOperator::Comma: return "comma";
}
}
void StmtXML::VisitUnaryOperator(UnaryOperator *Node) {
DumpExpr(Node);
Doc.addAttribute("op_code", getOpcodeStr(Node->getOpcode()));
}
void StmtXML::OffsetOfExpr(OffsetOfExpr *Node) {
DumpExpr(Node);
}
void StmtXML::VisitSizeOfAlignOfExpr(SizeOfAlignOfExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("is_sizeof", Node->isSizeOf() ? "sizeof" : "alignof");
Doc.addAttribute("is_type", Node->isArgumentType() ? "1" : "0");
if (Node->isArgumentType())
DumpTypeExpr(Node->getArgumentType());
}
void StmtXML::VisitMemberExpr(MemberExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("is_deref", Node->isArrow() ? "1" : "0");
Doc.addAttribute("name", Node->getMemberDecl()->getNameAsString());
Doc.addRefAttribute(Node->getMemberDecl());
}
void StmtXML::VisitExtVectorElementExpr(ExtVectorElementExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("name", Node->getAccessor().getName());
}
void StmtXML::VisitBinaryOperator(BinaryOperator *Node) {
DumpExpr(Node);
Doc.addAttribute("op_code", getOpcodeStr(Node->getOpcode()));
}
void StmtXML::VisitCompoundAssignOperator(CompoundAssignOperator *Node) {
VisitBinaryOperator(Node);
/* FIXME: is this needed in the AST?
DumpExpr(Node);
CurrentNode = CurrentNode->addSubNode("ComputeLHSTy");
DumpType(Node->getComputationLHSType());
CurrentNode = CurrentNode->Parent->addSubNode("ComputeResultTy");
DumpType(Node->getComputationResultType());
Doc.toParent();
*/
}
// GNU extensions.
void StmtXML::VisitAddrLabelExpr(AddrLabelExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("name", Node->getLabel()->getName());
}
void StmtXML::VisitTypesCompatibleExpr(TypesCompatibleExpr *Node) {
DumpExpr(Node);
DumpTypeExpr(Node->getArgType1());
DumpTypeExpr(Node->getArgType2());
}
//===----------------------------------------------------------------------===//
// C++ Expressions
//===----------------------------------------------------------------------===//
void StmtXML::VisitCXXNamedCastExpr(CXXNamedCastExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("kind", Node->getCastName());
DumpTypeExpr(Node->getTypeAsWritten());
}
void StmtXML::VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("value", Node->getValue() ? "true" : "false");
}
void StmtXML::VisitCXXThisExpr(CXXThisExpr *Node) {
DumpExpr(Node);
}
void StmtXML::VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *Node) {
DumpExpr(Node);
DumpTypeExpr(Node->getTypeAsWritten());
}
//===----------------------------------------------------------------------===//
// Obj-C Expressions
//===----------------------------------------------------------------------===//
void StmtXML::VisitObjCMessageExpr(ObjCMessageExpr* Node) {
DumpExpr(Node);
Doc.addAttribute("selector", Node->getSelector().getAsString());
IdentifierInfo* clsName = Node->getClassName();
if (clsName)
Doc.addAttribute("class", clsName->getName());
}
void StmtXML::VisitObjCEncodeExpr(ObjCEncodeExpr *Node) {
DumpExpr(Node);
DumpTypeExpr(Node->getEncodedType());
}
void StmtXML::VisitObjCSelectorExpr(ObjCSelectorExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("selector", Node->getSelector().getAsString());
}
void StmtXML::VisitObjCProtocolExpr(ObjCProtocolExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("protocol", Node->getProtocol()->getNameAsString());
}
void StmtXML::VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("property", Node->getProperty()->getNameAsString());
}
void StmtXML::VisitObjCImplicitSetterGetterRefExpr(
ObjCImplicitSetterGetterRefExpr *Node) {
DumpExpr(Node);
ObjCMethodDecl *Getter = Node->getGetterMethod();
ObjCMethodDecl *Setter = Node->getSetterMethod();
Doc.addAttribute("Getter", Getter->getSelector().getAsString());
Doc.addAttribute("Setter", Setter ? Setter->getSelector().getAsString().c_str() : "(null)");
}
void StmtXML::VisitObjCSuperExpr(ObjCSuperExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("super", "1");
}
void StmtXML::VisitObjCIvarRefExpr(ObjCIvarRefExpr *Node) {
DumpExpr(Node);
Doc.addAttribute("kind", Node->getDecl()->getDeclKindName());
Doc.addAttribute("decl", Node->getDecl()->getNameAsString());
if (Node->isFreeIvar())
Doc.addAttribute("isFreeIvar", "1");
}
#endif
//===----------------------------------------------------------------------===//
// Stmt method implementations
//===----------------------------------------------------------------------===//
/// dumpAll - This does a dump of the specified AST fragment and all subtrees.
void DocumentXML::PrintStmt(const Stmt *S) {
StmtXML P(*this);
P.DumpSubTree(const_cast<Stmt*>(S));
}
|