1 //===- MicrosoftDemangle.cpp ----------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines a demangler for MSVC-style mangled symbols.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "MicrosoftDemangleNodes.h"
15 #include "llvm/Demangle/Compiler.h"
16 #include "llvm/Demangle/Utility.h"
17 #include <cctype>
18 
19 using namespace llvm;
20 using namespace ms_demangle;
21 
22 #define OUTPUT_ENUM_CLASS_VALUE(Enum, Value, Desc)                             \
23   case Enum::Value:                                                            \
24     OS << Desc;                                                                \
25     break;
26 
27 // Writes a space if the last token does not end with a punctuation.
28 static void outputSpaceIfNecessary(OutputStream &OS) {
29   if (OS.empty())
30     return;
31 
32   char C = OS.back();
33   if (std::isalnum(C) || C == '>')
34     OS << " ";
35 }
36 
37 static bool outputSingleQualifier(OutputStream &OS, Qualifiers Q) {
38   switch (Q) {
39   case Q_Const:
40     OS << "const";
41     return true;
42   case Q_Volatile:
43     OS << "volatile";
44     return true;
45   case Q_Restrict:
46     OS << "__restrict";
47     return true;
48   default:
49     break;
50   }
51   return false;
52 }
53 
54 static bool outputQualifierIfPresent(OutputStream &OS, Qualifiers Q,
55                                      Qualifiers Mask, bool NeedSpace) {
56   if (!(Q & Mask))
57     return NeedSpace;
58 
59   if (NeedSpace)
60     OS << " ";
61 
62   outputSingleQualifier(OS, Mask);
63   return true;
64 }
65 
66 static void outputQualifiers(OutputStream &OS, Qualifiers Q, bool SpaceBefore,
67                              bool SpaceAfter) {
68   if (Q == Q_None)
69     return;
70 
71   size_t Pos1 = OS.getCurrentPosition();
72   SpaceBefore = outputQualifierIfPresent(OS, Q, Q_Const, SpaceBefore);
73   SpaceBefore = outputQualifierIfPresent(OS, Q, Q_Volatile, SpaceBefore);
74   SpaceBefore = outputQualifierIfPresent(OS, Q, Q_Restrict, SpaceBefore);
75   size_t Pos2 = OS.getCurrentPosition();
76   if (SpaceAfter && Pos2 > Pos1)
77     OS << " ";
78 }
79 
80 static void outputCallingConvention(OutputStream &OS, CallingConv CC) {
81   outputSpaceIfNecessary(OS);
82 
83   switch (CC) {
84   case CallingConv::Cdecl:
85     OS << "__cdecl";
86     break;
87   case CallingConv::Fastcall:
88     OS << "__fastcall";
89     break;
90   case CallingConv::Pascal:
91     OS << "__pascal";
92     break;
93   case CallingConv::Regcall:
94     OS << "__regcall";
95     break;
96   case CallingConv::Stdcall:
97     OS << "__stdcall";
98     break;
99   case CallingConv::Thiscall:
100     OS << "__thiscall";
101     break;
102   case CallingConv::Eabi:
103     OS << "__eabi";
104     break;
105   case CallingConv::Vectorcall:
106     OS << "__vectorcall";
107     break;
108   case CallingConv::Clrcall:
109     OS << "__clrcall";
110     break;
111   default:
112     break;
113   }
114 }
115 
116 void TypeNode::outputQuals(bool SpaceBefore, bool SpaceAfter) const {}
117 
118 void PrimitiveTypeNode::outputPre(OutputStream &OS, OutputFlags Flags) const {
119   switch (PrimKind) {
120     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Void, "void");
121     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Bool, "bool");
122     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Char, "char");
123     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Schar, "signed char");
124     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Uchar, "unsigned char");
125     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Char16, "char16_t");
126     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Char32, "char32_t");
127     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Short, "short");
128     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Ushort, "unsigned short");
129     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Int, "int");
130     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Uint, "unsigned int");
131     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Long, "long");
132     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Ulong, "unsigned long");
133     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Int64, "__int64");
134     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Uint64, "unsigned __int64");
135     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Wchar, "wchar_t");
136     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Float, "float");
137     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Double, "double");
138     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Ldouble, "long double");
139     OUTPUT_ENUM_CLASS_VALUE(PrimitiveKind, Nullptr, "std::nullptr_t");
140   }
141   outputQualifiers(OS, Quals, true, false);
142 }
143 
144 void NodeArrayNode::output(OutputStream &OS, OutputFlags Flags) const {
145   output(OS, Flags, ", ");
146 }
147 
148 void NodeArrayNode::output(OutputStream &OS, OutputFlags Flags,
149                            StringView Separator) const {
150   if (Count == 0)
151     return;
152   if (Nodes[0])
153     Nodes[0]->output(OS, Flags);
154   for (size_t I = 1; I < Count; ++I) {
155     OS << Separator;
156     Nodes[I]->output(OS, Flags);
157   }
158 }
159 
160 void EncodedStringLiteralNode::output(OutputStream &OS,
161                                       OutputFlags Flags) const {
162   switch (Char) {
163   case CharKind::Wchar:
164     OS << "const wchar_t * {L\"";
165     break;
166   case CharKind::Char:
167     OS << "const char * {\"";
168     break;
169   case CharKind::Char16:
170     OS << "const char16_t * {u\"";
171     break;
172   case CharKind::Char32:
173     OS << "const char32_t * {U\"";
174     break;
175   }
176   OS << DecodedString << "\"";
177   if (IsTruncated)
178     OS << "...";
179   OS << "}";
180 }
181 
182 void IntegerLiteralNode::output(OutputStream &OS, OutputFlags Flags) const {
183   if (IsNegative)
184     OS << '-';
185   OS << Value;
186 }
187 
188 void TemplateParameterReferenceNode::output(OutputStream &OS,
189                                             OutputFlags Flags) const {
190   if (ThunkOffsetCount > 0)
191     OS << "{";
192   else if (Affinity == PointerAffinity::Pointer)
193     OS << "&";
194 
195   if (Symbol) {
196     Symbol->output(OS, Flags);
197     if (ThunkOffsetCount > 0)
198       OS << ", ";
199   }
200 
201   if (ThunkOffsetCount > 0)
202     OS << ThunkOffsets[0];
203   for (int I = 1; I < ThunkOffsetCount; ++I) {
204     OS << ", " << ThunkOffsets[I];
205   }
206   if (ThunkOffsetCount > 0)
207     OS << "}";
208 }
209 
210 void IdentifierNode::outputTemplateParameters(OutputStream &OS,
211                                               OutputFlags Flags) const {
212   if (!TemplateParams)
213     return;
214   OS << "<";
215   TemplateParams->output(OS, Flags);
216   OS << ">";
217 }
218 
219 void DynamicStructorIdentifierNode::output(OutputStream &OS,
220                                            OutputFlags Flags) const {
221   if (IsDestructor)
222     OS << "`dynamic atexit destructor for ";
223   else
224     OS << "`dynamic initializer for ";
225 
226   if (Variable) {
227     OS << "`";
228     Variable->output(OS, Flags);
229     OS << "''";
230   } else {
231     OS << "'";
232     Name->output(OS, Flags);
233     OS << "''";
234   }
235 }
236 
237 void NamedIdentifierNode::output(OutputStream &OS, OutputFlags Flags) const {
238   OS << Name;
239   outputTemplateParameters(OS, Flags);
240 }
241 
242 void IntrinsicFunctionIdentifierNode::output(OutputStream &OS,
243                                              OutputFlags Flags) const {
244   switch (Operator) {
245     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, New, "operator new");
246     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Delete, "operator delete");
247     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Assign, "operator=");
248     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, RightShift, "operator>>");
249     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, LeftShift, "operator<<");
250     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, LogicalNot, "operator!");
251     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Equals, "operator==");
252     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, NotEquals, "operator!=");
253     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, ArraySubscript,
254                             "operator[]");
255     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Pointer, "operator->");
256     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Increment, "operator++");
257     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Decrement, "operator--");
258     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Minus, "operator-");
259     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Plus, "operator+");
260     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Dereference, "operator*");
261     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, BitwiseAnd, "operator&");
262     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, MemberPointer,
263                             "operator->*");
264     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Divide, "operator/");
265     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Modulus, "operator%");
266     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, LessThan, "operator<");
267     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, LessThanEqual, "operator<=");
268     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, GreaterThan, "operator>");
269     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, GreaterThanEqual,
270                             "operator>=");
271     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Comma, "operator,");
272     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Parens, "operator()");
273     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, BitwiseNot, "operator~");
274     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, BitwiseXor, "operator^");
275     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, BitwiseOr, "operator|");
276     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, LogicalAnd, "operator&&");
277     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, LogicalOr, "operator||");
278     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, TimesEqual, "operator*=");
279     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, PlusEqual, "operator+=");
280     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, MinusEqual, "operator-=");
281     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, DivEqual, "operator/=");
282     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, ModEqual, "operator%=");
283     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, RshEqual, "operator>>=");
284     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, LshEqual, "operator<<=");
285     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, BitwiseAndEqual,
286                             "operator&=");
287     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, BitwiseOrEqual,
288                             "operator|=");
289     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, BitwiseXorEqual,
290                             "operator^=");
291     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, VbaseDtor, "`vbase dtor'");
292     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, VecDelDtor,
293                             "`vector deleting dtor'");
294     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, DefaultCtorClosure,
295                             "`default ctor closure'");
296     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, ScalarDelDtor,
297                             "`scalar deleting dtor'");
298     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, VecCtorIter,
299                             "`vector ctor iterator'");
300     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, VecDtorIter,
301                             "`vector dtor iterator'");
302     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, VecVbaseCtorIter,
303                             "`vector vbase ctor iterator'");
304     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, VdispMap,
305                             "`virtual displacement map'");
306     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, EHVecCtorIter,
307                             "`eh vector ctor iterator'");
308     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, EHVecDtorIter,
309                             "`eh vector dtor iterator'");
310     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, EHVecVbaseCtorIter,
311                             "`eh vector vbase ctor iterator'");
312     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, CopyCtorClosure,
313                             "`copy ctor closure'");
314     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, LocalVftableCtorClosure,
315                             "`local vftable ctor closure'");
316     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, ArrayNew, "operator new[]");
317     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, ArrayDelete,
318                             "operator delete[]");
319     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, ManVectorCtorIter,
320                             "`managed vector ctor iterator'");
321     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, ManVectorDtorIter,
322                             "`managed vector dtor iterator'");
323     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, EHVectorCopyCtorIter,
324                             "`EH vector copy ctor iterator'");
325     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, EHVectorVbaseCopyCtorIter,
326                             "`EH vector vbase copy ctor iterator'");
327     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, VectorCopyCtorIter,
328                             "`vector copy ctor iterator'");
329     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, VectorVbaseCopyCtorIter,
330                             "`vector vbase copy constructor iterator'");
331     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, ManVectorVbaseCopyCtorIter,
332                             "`managed vector vbase copy constructor iterator'");
333     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, CoAwait, "co_await");
334     OUTPUT_ENUM_CLASS_VALUE(IntrinsicFunctionKind, Spaceship, "operator <=>");
335   case IntrinsicFunctionKind::MaxIntrinsic:
336   case IntrinsicFunctionKind::None:
337     break;
338   }
339   outputTemplateParameters(OS, Flags);
340 }
341 
342 void LocalStaticGuardIdentifierNode::output(OutputStream &OS,
343                                             OutputFlags Flags) const {
344   OS << "`local static guard'";
345   if (ScopeIndex > 0)
346     OS << "{" << ScopeIndex << "}";
347 }
348 
349 void ConversionOperatorIdentifierNode::output(OutputStream &OS,
350                                               OutputFlags Flags) const {
351   OS << "operator";
352   outputTemplateParameters(OS, Flags);
353   OS << " ";
354   TargetType->output(OS, Flags);
355 }
356 
357 void StructorIdentifierNode::output(OutputStream &OS, OutputFlags Flags) const {
358   if (IsDestructor)
359     OS << "~";
360   Class->output(OS, Flags);
361   outputTemplateParameters(OS, Flags);
362 }
363 
364 void LiteralOperatorIdentifierNode::output(OutputStream &OS,
365                                            OutputFlags Flags) const {
366   OS << "operator \"\"" << Name;
367   outputTemplateParameters(OS, Flags);
368 }
369 
370 void FunctionSignatureNode::outputPre(OutputStream &OS,
371                                       OutputFlags Flags) const {
372   if (!(FunctionClass & FC_Global)) {
373     if (FunctionClass & FC_Static)
374       OS << "static ";
375   }
376   if (FunctionClass & FC_ExternC)
377     OS << "extern \"C\" ";
378 
379   if (FunctionClass & FC_Virtual)
380     OS << "virtual ";
381 
382   if (ReturnType) {
383     ReturnType->outputPre(OS, Flags);
384     OS << " ";
385   }
386 
387   if (!(Flags & OF_NoCallingConvention))
388     outputCallingConvention(OS, CallConvention);
389 }
390 
391 void FunctionSignatureNode::outputPost(OutputStream &OS,
392                                        OutputFlags Flags) const {
393   if (!(FunctionClass & FC_NoParameterList)) {
394     OS << "(";
395     if (Params)
396       Params->output(OS, Flags);
397     else
398       OS << "void";
399     OS << ")";
400   }
401 
402   if (Quals & Q_Const)
403     OS << " const";
404   if (Quals & Q_Volatile)
405     OS << " volatile";
406   if (Quals & Q_Restrict)
407     OS << " __restrict";
408   if (Quals & Q_Unaligned)
409     OS << " __unaligned";
410 
411   if (RefQualifier == FunctionRefQualifier::Reference)
412     OS << " &";
413   else if (RefQualifier == FunctionRefQualifier::RValueReference)
414     OS << " &&";
415 
416   if (ReturnType)
417     ReturnType->outputPost(OS, Flags);
418 }
419 
420 void ThunkSignatureNode::outputPre(OutputStream &OS, OutputFlags Flags) const {
421   OS << "[thunk]: ";
422 
423   FunctionSignatureNode::outputPre(OS, Flags);
424 }
425 
426 void ThunkSignatureNode::outputPost(OutputStream &OS, OutputFlags Flags) const {
427   if (FunctionClass & FC_StaticThisAdjust) {
428     OS << "`adjustor{" << ThisAdjust.StaticOffset << "}'";
429   } else if (FunctionClass & FC_VirtualThisAdjust) {
430     if (FunctionClass & FC_VirtualThisAdjustEx) {
431       OS << "`vtordispex{" << ThisAdjust.VBPtrOffset << ", "
432          << ThisAdjust.VBOffsetOffset << ", " << ThisAdjust.VtordispOffset
433          << ", " << ThisAdjust.StaticOffset << "}'";
434     } else {
435       OS << "`vtordisp{" << ThisAdjust.VtordispOffset << ", "
436          << ThisAdjust.StaticOffset << "}'";
437     }
438   }
439 
440   FunctionSignatureNode::outputPost(OS, Flags);
441 }
442 
443 void PointerTypeNode::outputPre(OutputStream &OS, OutputFlags Flags) const {
444   if (Pointee->kind() == NodeKind::FunctionSignature) {
445     // If this is a pointer to a function, don't output the calling convention.
446     // It needs to go inside the parentheses.
447     const FunctionSignatureNode *Sig =
448         static_cast<const FunctionSignatureNode *>(Pointee);
449     Sig->outputPre(OS, OF_NoCallingConvention);
450   } else
451     Pointee->outputPre(OS, Flags);
452 
453   outputSpaceIfNecessary(OS);
454 
455   if (Quals & Q_Unaligned)
456     OS << "__unaligned ";
457 
458   if (Pointee->kind() == NodeKind::ArrayType) {
459     OS << "(";
460   } else if (Pointee->kind() == NodeKind::FunctionSignature) {
461     OS << "(";
462     const FunctionSignatureNode *Sig =
463         static_cast<const FunctionSignatureNode *>(Pointee);
464     outputCallingConvention(OS, Sig->CallConvention);
465     OS << " ";
466   }
467 
468   if (ClassParent) {
469     ClassParent->output(OS, Flags);
470     OS << "::";
471   }
472 
473   switch (Affinity) {
474   case PointerAffinity::Pointer:
475     OS << "*";
476     break;
477   case PointerAffinity::Reference:
478     OS << "&";
479     break;
480   case PointerAffinity::RValueReference:
481     OS << "&&";
482     break;
483   default:
484     assert(false);
485   }
486   outputQualifiers(OS, Quals, false, false);
487 }
488 
489 void PointerTypeNode::outputPost(OutputStream &OS, OutputFlags Flags) const {
490   if (Pointee->kind() == NodeKind::ArrayType ||
491       Pointee->kind() == NodeKind::FunctionSignature)
492     OS << ")";
493 
494   Pointee->outputPost(OS, Flags);
495 }
496 
497 void TagTypeNode::outputPre(OutputStream &OS, OutputFlags Flags) const {
498   switch (Tag) {
499     OUTPUT_ENUM_CLASS_VALUE(TagKind, Class, "class");
500     OUTPUT_ENUM_CLASS_VALUE(TagKind, Struct, "struct");
501     OUTPUT_ENUM_CLASS_VALUE(TagKind, Union, "union");
502     OUTPUT_ENUM_CLASS_VALUE(TagKind, Enum, "enum");
503   }
504   OS << " ";
505   QualifiedName->output(OS, Flags);
506   outputQualifiers(OS, Quals, true, false);
507 }
508 
509 void TagTypeNode::outputPost(OutputStream &OS, OutputFlags Flags) const {}
510 
511 void ArrayTypeNode::outputPre(OutputStream &OS, OutputFlags Flags) const {
512   ElementType->outputPre(OS, Flags);
513   outputQualifiers(OS, Quals, true, false);
514 }
515 
516 void ArrayTypeNode::outputOneDimension(OutputStream &OS, OutputFlags Flags,
517                                        Node *N) const {
518   assert(N->kind() == NodeKind::IntegerLiteral);
519   IntegerLiteralNode *ILN = static_cast<IntegerLiteralNode *>(N);
520   if (ILN->Value != 0)
521     ILN->output(OS, Flags);
522 }
523 
524 void ArrayTypeNode::outputDimensionsImpl(OutputStream &OS,
525                                          OutputFlags Flags) const {
526   if (Dimensions->Count == 0)
527     return;
528 
529   outputOneDimension(OS, Flags, Dimensions->Nodes[0]);
530   for (size_t I = 1; I < Dimensions->Count; ++I) {
531     OS << "][";
532     outputOneDimension(OS, Flags, Dimensions->Nodes[I]);
533   }
534 }
535 
536 void ArrayTypeNode::outputPost(OutputStream &OS, OutputFlags Flags) const {
537   OS << "[";
538   outputDimensionsImpl(OS, Flags);
539   OS << "]";
540 
541   ElementType->outputPost(OS, Flags);
542 }
543 
544 void SymbolNode::output(OutputStream &OS, OutputFlags Flags) const {
545   Name->output(OS, Flags);
546 }
547 
548 void FunctionSymbolNode::output(OutputStream &OS, OutputFlags Flags) const {
549   Signature->outputPre(OS, Flags);
550   outputSpaceIfNecessary(OS);
551   Name->output(OS, Flags);
552   Signature->outputPost(OS, Flags);
553 }
554 
555 void VariableSymbolNode::output(OutputStream &OS, OutputFlags Flags) const {
556   switch (SC) {
557   case StorageClass::PrivateStatic:
558   case StorageClass::PublicStatic:
559   case StorageClass::ProtectedStatic:
560     OS << "static ";
561   default:
562     break;
563   }
564 
565   if (Type) {
566     Type->outputPre(OS, Flags);
567     outputSpaceIfNecessary(OS);
568   }
569   Name->output(OS, Flags);
570   if (Type)
571     Type->outputPost(OS, Flags);
572 }
573 
574 void CustomTypeNode::outputPre(OutputStream &OS, OutputFlags Flags) const {
575   Identifier->output(OS, Flags);
576 }
577 void CustomTypeNode::outputPost(OutputStream &OS, OutputFlags Flags) const {}
578 
579 void QualifiedNameNode::output(OutputStream &OS, OutputFlags Flags) const {
580   Components->output(OS, Flags, "::");
581 }
582 
583 void RttiBaseClassDescriptorNode::output(OutputStream &OS,
584                                          OutputFlags Flags) const {
585   OS << "`RTTI Base Class Descriptor at (";
586   OS << NVOffset << ", " << VBPtrOffset << ", " << VBTableOffset << ", "
587      << this->Flags;
588   OS << ")'";
589 }
590 
591 void LocalStaticGuardVariableNode::output(OutputStream &OS,
592                                           OutputFlags Flags) const {
593   Name->output(OS, Flags);
594 }
595 
596 void VcallThunkIdentifierNode::output(OutputStream &OS,
597                                       OutputFlags Flags) const {
598   OS << "`vcall'{" << OffsetInVTable << ", {flat}}";
599 }
600 
601 void SpecialTableSymbolNode::output(OutputStream &OS, OutputFlags Flags) const {
602   outputQualifiers(OS, Quals, false, true);
603   Name->output(OS, Flags);
604   if (TargetName) {
605     OS << "{for `";
606     TargetName->output(OS, Flags);
607     OS << "'}";
608   }
609   return;
610 }
611