Coverage Report

Created: 2021-01-23 06:44

/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/AST/ASTDumper.cpp
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Source (jump to first uncovered line)
1
//===--- ASTDumper.cpp - Dumping implementation for ASTs ------------------===//
2
//
3
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4
// See https://llvm.org/LICENSE.txt for license information.
5
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6
//
7
//===----------------------------------------------------------------------===//
8
//
9
// This file implements the AST dump methods, which dump out the
10
// AST in a form that exposes type details and other fields.
11
//
12
//===----------------------------------------------------------------------===//
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14
#include "clang/AST/ASTDumper.h"
15
#include "clang/AST/ASTContext.h"
16
#include "clang/AST/DeclLookups.h"
17
#include "clang/AST/JSONNodeDumper.h"
18
#include "clang/Basic/Builtins.h"
19
#include "clang/Basic/Module.h"
20
#include "clang/Basic/SourceManager.h"
21
#include "llvm/Support/raw_ostream.h"
22
using namespace clang;
23
using namespace clang::comments;
24
25
7
void ASTDumper::dumpLookups(const DeclContext *DC, bool DumpDecls) {
26
7
  NodeDumper.AddChild([=] {
27
7
    OS << "StoredDeclsMap ";
28
7
    NodeDumper.dumpBareDeclRef(cast<Decl>(DC));
29
30
7
    const DeclContext *Primary = DC->getPrimaryContext();
31
7
    if (Primary != DC) {
32
0
      OS << " primary";
33
0
      NodeDumper.dumpPointer(cast<Decl>(Primary));
34
0
    }
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36
7
    bool HasUndeserializedLookups = Primary->hasExternalVisibleStorage();
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38
7
    auto Range = getDeserialize()
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0
                     ? Primary->lookups()
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7
                     : Primary->noload_lookups(/*PreserveInternalState=*/true);
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141
    for (auto I = Range.begin(), E = Range.end(); I != E; 
++I134
) {
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134
      DeclarationName Name = I.getLookupName();
43
134
      DeclContextLookupResult R = *I;
44
45
134
      NodeDumper.AddChild([=] {
46
134
        OS << "DeclarationName ";
47
134
        {
48
134
          ColorScope Color(OS, ShowColors, DeclNameColor);
49
134
          OS << '\'' << Name << '\'';
50
134
        }
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52
134
        for (DeclContextLookupResult::iterator RI = R.begin(), RE = R.end();
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304
             RI != RE; 
++RI170
) {
54
170
          NodeDumper.AddChild([=] {
55
170
            NodeDumper.dumpBareDeclRef(*RI);
56
57
170
            if (!(*RI)->isUnconditionallyVisible())
58
7
              OS << " hidden";
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60
            // If requested, dump the redecl chain for this lookup.
61
170
            if (DumpDecls) {
62
              // Dump earliest decl first.
63
3
              std::function<void(Decl *)> DumpWithPrev = [&](Decl *D) {
64
3
                if (Decl *Prev = D->getPreviousDecl())
65
1
                  DumpWithPrev(Prev);
66
3
                Visit(D);
67
3
              };
68
2
              DumpWithPrev(*RI);
69
2
            }
70
170
          });
71
170
        }
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134
      });
73
134
    }
74
75
7
    if (HasUndeserializedLookups) {
76
5
      NodeDumper.AddChild([=] {
77
5
        ColorScope Color(OS, ShowColors, UndeserializedColor);
78
5
        OS << "<undeserialized lookups>";
79
5
      });
80
5
    }
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7
  });
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7
}
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84
template <typename SpecializationDecl>
85
void ASTDumper::dumpTemplateDeclSpecialization(const SpecializationDecl *D,
86
                                               bool DumpExplicitInst,
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289
                                               bool DumpRefOnly) {
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289
  bool DumpedAny = false;
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420
  for (const auto *RedeclWithBadType : D->redecls()) {
90
    // FIXME: The redecls() range sometimes has elements of a less-specific
91
    // type. (In particular, ClassTemplateSpecializationDecl::redecls() gives
92
    // us TagDecls, and should give CXXRecordDecls).
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420
    auto *Redecl = dyn_cast<SpecializationDecl>(RedeclWithBadType);
94
420
    if (!Redecl) {
95
      // Found the injected-class-name for a class template. This will be dumped
96
      // as part of its surrounding class so we don't need to dump it here.
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123
      assert(isa<CXXRecordDecl>(RedeclWithBadType) &&
98
123
             "expected an injected-class-name");
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      continue;
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123
    }
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102
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    switch (Redecl->getTemplateSpecializationKind()) {
103
2
    case TSK_ExplicitInstantiationDeclaration:
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17
    case TSK_ExplicitInstantiationDefinition:
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17
      if (!DumpExplicitInst)
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12
        break;
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5
      LLVM_FALLTHROUGH;
108
19
    case TSK_Undeclared:
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260
    case TSK_ImplicitInstantiation:
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260
      if (DumpRefOnly)
111
30
        NodeDumper.dumpDeclRef(Redecl);
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      else
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        Visit(Redecl);
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      DumpedAny = true;
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260
      break;
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25
    case TSK_ExplicitSpecialization:
117
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      break;
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    }
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  }
120
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  // Ensure we dump at least one decl for each specialization.
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289
  if (!DumpedAny)
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    NodeDumper.dumpDeclRef(D);
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289
}
void clang::ASTDumper::dumpTemplateDeclSpecialization<clang::FunctionDecl>(clang::FunctionDecl const*, bool, bool)
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Source
87
130
                                               bool DumpRefOnly) {
88
130
  bool DumpedAny = false;
89
134
  for (const auto *RedeclWithBadType : D->redecls()) {
90
    // FIXME: The redecls() range sometimes has elements of a less-specific
91
    // type. (In particular, ClassTemplateSpecializationDecl::redecls() gives
92
    // us TagDecls, and should give CXXRecordDecls).
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    auto *Redecl = dyn_cast<SpecializationDecl>(RedeclWithBadType);
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    if (!Redecl) {
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      // Found the injected-class-name for a class template. This will be dumped
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      // as part of its surrounding class so we don't need to dump it here.
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      assert(isa<CXXRecordDecl>(RedeclWithBadType) &&
98
0
             "expected an injected-class-name");
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0
      continue;
100
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    }
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    switch (Redecl->getTemplateSpecializationKind()) {
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1
    case TSK_ExplicitInstantiationDeclaration:
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5
    case TSK_ExplicitInstantiationDefinition:
105
5
      if (!DumpExplicitInst)
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0
        break;
107
5
      LLVM_FALLTHROUGH;
108
5
    case TSK_Undeclared:
109
126
    case TSK_ImplicitInstantiation:
110
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      if (DumpRefOnly)
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2
        NodeDumper.dumpDeclRef(Redecl);
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      else
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        Visit(Redecl);
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      DumpedAny = true;
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      break;
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8
    case TSK_ExplicitSpecialization:
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8
      break;
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    }
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  }
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  // Ensure we dump at least one decl for each specialization.
122
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  if (!DumpedAny)
123
4
    NodeDumper.dumpDeclRef(D);
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130
}
void clang::ASTDumper::dumpTemplateDeclSpecialization<clang::ClassTemplateSpecializationDecl>(clang::ClassTemplateSpecializationDecl const*, bool, bool)
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Source
87
156
                                               bool DumpRefOnly) {
88
156
  bool DumpedAny = false;
89
281
  for (const auto *RedeclWithBadType : D->redecls()) {
90
    // FIXME: The redecls() range sometimes has elements of a less-specific
91
    // type. (In particular, ClassTemplateSpecializationDecl::redecls() gives
92
    // us TagDecls, and should give CXXRecordDecls).
93
281
    auto *Redecl = dyn_cast<SpecializationDecl>(RedeclWithBadType);
94
281
    if (!Redecl) {
95
      // Found the injected-class-name for a class template. This will be dumped
96
      // as part of its surrounding class so we don't need to dump it here.
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123
      assert(isa<CXXRecordDecl>(RedeclWithBadType) &&
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123
             "expected an injected-class-name");
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      continue;
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123
    }
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158
    switch (Redecl->getTemplateSpecializationKind()) {
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1
    case TSK_ExplicitInstantiationDeclaration:
104
12
    case TSK_ExplicitInstantiationDefinition:
105
12
      if (!DumpExplicitInst)
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12
        break;
107
0
      LLVM_FALLTHROUGH;
108
14
    case TSK_Undeclared:
109
129
    case TSK_ImplicitInstantiation:
110
129
      if (DumpRefOnly)
111
26
        NodeDumper.dumpDeclRef(Redecl);
112
103
      else
113
103
        Visit(Redecl);
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129
      DumpedAny = true;
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129
      break;
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17
    case TSK_ExplicitSpecialization:
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17
      break;
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158
    }
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158
  }
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121
  // Ensure we dump at least one decl for each specialization.
122
156
  if (!DumpedAny)
123
29
    NodeDumper.dumpDeclRef(D);
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156
}
void clang::ASTDumper::dumpTemplateDeclSpecialization<clang::VarTemplateSpecializationDecl>(clang::VarTemplateSpecializationDecl const*, bool, bool)
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Source
87
3
                                               bool DumpRefOnly) {
88
3
  bool DumpedAny = false;
89
5
  for (const auto *RedeclWithBadType : D->redecls()) {
90
    // FIXME: The redecls() range sometimes has elements of a less-specific
91
    // type. (In particular, ClassTemplateSpecializationDecl::redecls() gives
92
    // us TagDecls, and should give CXXRecordDecls).
93
5
    auto *Redecl = dyn_cast<SpecializationDecl>(RedeclWithBadType);
94
5
    if (!Redecl) {
95
      // Found the injected-class-name for a class template. This will be dumped
96
      // as part of its surrounding class so we don't need to dump it here.
97
0
      assert(isa<CXXRecordDecl>(RedeclWithBadType) &&
98
0
             "expected an injected-class-name");
99
0
      continue;
100
0
    }
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5
    switch (Redecl->getTemplateSpecializationKind()) {
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0
    case TSK_ExplicitInstantiationDeclaration:
104
0
    case TSK_ExplicitInstantiationDefinition:
105
0
      if (!DumpExplicitInst)
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0
        break;
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0
      LLVM_FALLTHROUGH;
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0
    case TSK_Undeclared:
109
5
    case TSK_ImplicitInstantiation:
110
5
      if (DumpRefOnly)
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2
        NodeDumper.dumpDeclRef(Redecl);
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3
      else
113
3
        Visit(Redecl);
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5
      DumpedAny = true;
115
5
      break;
116
0
    case TSK_ExplicitSpecialization:
117
0
      break;
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5
    }
119
5
  }
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121
  // Ensure we dump at least one decl for each specialization.
122
3
  if (!DumpedAny)
123
0
    NodeDumper.dumpDeclRef(D);
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3
}
125
126
template <typename TemplateDecl>
127
450
void ASTDumper::dumpTemplateDecl(const TemplateDecl *D, bool DumpExplicitInst) {
128
450
  dumpTemplateParameters(D->getTemplateParameters());
129
130
450
  Visit(D->getTemplatedDecl());
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132
450
  if (GetTraversalKind() == TK_AsIs) {
133
450
    for (const auto *Child : D->specializations())
134
289
      dumpTemplateDeclSpecialization(Child, DumpExplicitInst,
135
289
                                     !D->isCanonicalDecl());
136
450
  }
137
450
}
void clang::ASTDumper::dumpTemplateDecl<clang::FunctionTemplateDecl>(clang::FunctionTemplateDecl const*, bool)
Line
Count
Source
127
256
void ASTDumper::dumpTemplateDecl(const TemplateDecl *D, bool DumpExplicitInst) {
128
256
  dumpTemplateParameters(D->getTemplateParameters());
129
130
256
  Visit(D->getTemplatedDecl());
131
132
256
  if (GetTraversalKind() == TK_AsIs) {
133
256
    for (const auto *Child : D->specializations())
134
130
      dumpTemplateDeclSpecialization(Child, DumpExplicitInst,
135
130
                                     !D->isCanonicalDecl());
136
256
  }
137
256
}
void clang::ASTDumper::dumpTemplateDecl<clang::ClassTemplateDecl>(clang::ClassTemplateDecl const*, bool)
Line
Count
Source
127
189
void ASTDumper::dumpTemplateDecl(const TemplateDecl *D, bool DumpExplicitInst) {
128
189
  dumpTemplateParameters(D->getTemplateParameters());
129
130
189
  Visit(D->getTemplatedDecl());
131
132
189
  if (GetTraversalKind() == TK_AsIs) {
133
189
    for (const auto *Child : D->specializations())
134
156
      dumpTemplateDeclSpecialization(Child, DumpExplicitInst,
135
156
                                     !D->isCanonicalDecl());
136
189
  }
137
189
}
void clang::ASTDumper::dumpTemplateDecl<clang::VarTemplateDecl>(clang::VarTemplateDecl const*, bool)
Line
Count
Source
127
5
void ASTDumper::dumpTemplateDecl(const TemplateDecl *D, bool DumpExplicitInst) {
128
5
  dumpTemplateParameters(D->getTemplateParameters());
129
130
5
  Visit(D->getTemplatedDecl());
131
132
5
  if (GetTraversalKind() == TK_AsIs) {
133
5
    for (const auto *Child : D->specializations())
134
3
      dumpTemplateDeclSpecialization(Child, DumpExplicitInst,
135
3
                                     !D->isCanonicalDecl());
136
5
  }
137
5
}
138
139
256
void ASTDumper::VisitFunctionTemplateDecl(const FunctionTemplateDecl *D) {
140
  // FIXME: We don't add a declaration of a function template specialization
141
  // to its context when it's explicitly instantiated, so dump explicit
142
  // instantiations when we dump the template itself.
143
256
  dumpTemplateDecl(D, true);
144
256
}
145
146
189
void ASTDumper::VisitClassTemplateDecl(const ClassTemplateDecl *D) {
147
189
  dumpTemplateDecl(D, false);
148
189
}
149
150
5
void ASTDumper::VisitVarTemplateDecl(const VarTemplateDecl *D) {
151
5
  dumpTemplateDecl(D, false);
152
5
}
153
154
//===----------------------------------------------------------------------===//
155
// Type method implementations
156
//===----------------------------------------------------------------------===//
157
158
0
void QualType::dump(const char *msg) const {
159
0
  if (msg)
160
0
    llvm::errs() << msg << ": ";
161
0
  dump();
162
0
}
163
164
0
LLVM_DUMP_METHOD void QualType::dump() const {
165
0
  ASTDumper Dumper(llvm::errs(), /*ShowColors=*/false);
166
0
  Dumper.Visit(*this);
167
0
}
168
169
LLVM_DUMP_METHOD void QualType::dump(llvm::raw_ostream &OS,
170
26
                                     const ASTContext &Context) const {
171
26
  ASTDumper Dumper(OS, Context, Context.getDiagnostics().getShowColors());
172
26
  Dumper.Visit(*this);
173
26
}
174
175
0
LLVM_DUMP_METHOD void Type::dump() const { QualType(this, 0).dump(); }
176
177
LLVM_DUMP_METHOD void Type::dump(llvm::raw_ostream &OS,
178
0
                                 const ASTContext &Context) const {
179
0
  QualType(this, 0).dump(OS, Context);
180
0
}
181
182
//===----------------------------------------------------------------------===//
183
// Decl method implementations
184
//===----------------------------------------------------------------------===//
185
186
23
LLVM_DUMP_METHOD void Decl::dump() const { dump(llvm::errs()); }
187
188
LLVM_DUMP_METHOD void Decl::dump(raw_ostream &OS, bool Deserialize,
189
1.54k
                                 ASTDumpOutputFormat Format) const {
190
1.54k
  ASTContext &Ctx = getASTContext();
191
1.54k
  const SourceManager &SM = Ctx.getSourceManager();
192
193
1.54k
  if (ADOF_JSON == Format) {
194
143
    JSONDumper P(OS, SM, Ctx, Ctx.getPrintingPolicy(),
195
143
                 &Ctx.getCommentCommandTraits());
196
143
    (void)Deserialize; // FIXME?
197
143
    P.Visit(this);
198
1.40k
  } else {
199
1.40k
    ASTDumper P(OS, Ctx, Ctx.getDiagnostics().getShowColors());
200
1.40k
    P.setDeserialize(Deserialize);
201
1.40k
    P.Visit(this);
202
1.40k
  }
203
1.54k
}
204
205
0
LLVM_DUMP_METHOD void Decl::dumpColor() const {
206
0
  const ASTContext &Ctx = getASTContext();
207
0
  ASTDumper P(llvm::errs(), Ctx, /*ShowColors=*/true);
208
0
  P.Visit(this);
209
0
}
210
211
0
LLVM_DUMP_METHOD void DeclContext::dumpLookups() const {
212
0
  dumpLookups(llvm::errs());
213
0
}
214
215
LLVM_DUMP_METHOD void DeclContext::dumpLookups(raw_ostream &OS,
216
                                               bool DumpDecls,
217
7
                                               bool Deserialize) const {
218
7
  const DeclContext *DC = this;
219
13
  while (!DC->isTranslationUnit())
220
6
    DC = DC->getParent();
221
7
  const ASTContext &Ctx = cast<TranslationUnitDecl>(DC)->getASTContext();
222
7
  ASTDumper P(OS, Ctx, Ctx.getDiagnostics().getShowColors());
223
7
  P.setDeserialize(Deserialize);
224
7
  P.dumpLookups(this, DumpDecls);
225
7
}
226
227
//===----------------------------------------------------------------------===//
228
// Stmt method implementations
229
//===----------------------------------------------------------------------===//
230
231
14
LLVM_DUMP_METHOD void Stmt::dump() const {
232
14
  ASTDumper P(llvm::errs(), /*ShowColors=*/false);
233
14
  P.Visit(this);
234
14
}
235
236
LLVM_DUMP_METHOD void Stmt::dump(raw_ostream &OS,
237
1
                                 const ASTContext &Context) const {
238
1
  ASTDumper P(OS, Context, Context.getDiagnostics().getShowColors());
239
1
  P.Visit(this);
240
1
}
241
242
0
LLVM_DUMP_METHOD void Stmt::dumpColor() const {
243
0
  ASTDumper P(llvm::errs(), /*ShowColors=*/true);
244
0
  P.Visit(this);
245
0
}
246
247
//===----------------------------------------------------------------------===//
248
// Comment method implementations
249
//===----------------------------------------------------------------------===//
250
251
79
LLVM_DUMP_METHOD void Comment::dump() const {
252
79
  const auto *FC = dyn_cast<FullComment>(this);
253
79
  if (!FC)
254
0
    return;
255
79
  ASTDumper Dumper(llvm::errs(), /*ShowColors=*/false);
256
79
  Dumper.Visit(FC, FC);
257
79
}
258
259
LLVM_DUMP_METHOD void Comment::dump(raw_ostream &OS,
260
0
                                    const ASTContext &Context) const {
261
0
  const auto *FC = dyn_cast<FullComment>(this);
262
0
  if (!FC)
263
0
    return;
264
0
  ASTDumper Dumper(OS, Context, Context.getDiagnostics().getShowColors());
265
0
  Dumper.Visit(FC, FC);
266
0
}
267
268
0
LLVM_DUMP_METHOD void Comment::dumpColor() const {
269
0
  const auto *FC = dyn_cast<FullComment>(this);
270
0
  if (!FC)
271
0
    return;
272
0
  ASTDumper Dumper(llvm::errs(), /*ShowColors=*/true);
273
0
  Dumper.Visit(FC, FC);
274
0
}
275
276
//===----------------------------------------------------------------------===//
277
// APValue method implementations
278
//===----------------------------------------------------------------------===//
279
280
0
LLVM_DUMP_METHOD void APValue::dump() const {
281
0
  ASTDumper Dumper(llvm::errs(), /*ShowColors=*/false);
282
0
  Dumper.Visit(*this, /*Ty=*/QualType());
283
0
}
284
285
LLVM_DUMP_METHOD void APValue::dump(raw_ostream &OS,
286
0
                                    const ASTContext &Context) const {
287
0
  ASTDumper Dumper(llvm::errs(), Context,
288
0
                   Context.getDiagnostics().getShowColors());
289
0
  Dumper.Visit(*this, /*Ty=*/Context.getPointerType(Context.CharTy));
290
0
}