Tooling/Syntax/Synthesis.cpp

16 /// Exposes private syntax tree APIs required to implement node synthesis.
18 class clang::syntax::FactoryImpl {
20   static void setCanModify(syntax::Node *N) { N->CanModify = true; }
22   static void prependChildLowLevel(syntax::Tree *T, syntax::Node *Child,
23                                    syntax::NodeRole R) {
26   static void appendChildLowLevel(syntax::Tree *T, syntax::Node *Child,
27                                   syntax::NodeRole R) {
38 // FIXME: `createLeaf` is based on `syntax::tokenize` internally, as such it
40 syntax::Leaf *clang::syntax::createLeaf(syntax::Arena &A,
50   auto *Leaf = new (A.getAllocator()) syntax::Leaf(
52   syntax::FactoryImpl::setCanModify(Leaf);
57 syntax::Leaf *clang::syntax::createLeaf(syntax::Arena &A,
69 // Allocates the concrete syntax `Tree` according to its `NodeKind`.
70 syntax::Tree *allocateTree(syntax::Arena &A, syntax::NodeKind Kind) {
72   case syntax::NodeKind::Leaf:
75   case syntax::NodeKind::TranslationUnit:
76     return new (A.getAllocator()) syntax::TranslationUnit;
77   case syntax::NodeKind::UnknownExpression:
78     return new (A.getAllocator()) syntax::UnknownExpression;
79   case syntax::NodeKind::ParenExpression:
80     return new (A.getAllocator()) syntax::ParenExpression;
81   case syntax::NodeKind::ThisExpression:
82     return new (A.getAllocator()) syntax::ThisExpression;
83   case syntax::NodeKind::IntegerLiteralExpression:
84     return new (A.getAllocator()) syntax::IntegerLiteralExpression;
85   case syntax::NodeKind::CharacterLiteralExpression:
86     return new (A.getAllocator()) syntax::CharacterLiteralExpression;
87   case syntax::NodeKind::FloatingLiteralExpression:
88     return new (A.getAllocator()) syntax::FloatingLiteralExpression;
89   case syntax::NodeKind::StringLiteralExpression:
90     return new (A.getAllocator()) syntax::StringLiteralExpression;
91   case syntax::NodeKind::BoolLiteralExpression:
92     return new (A.getAllocator()) syntax::BoolLiteralExpression;
93   case syntax::NodeKind::CxxNullPtrExpression:
94     return new (A.getAllocator()) syntax::CxxNullPtrExpression;
95   case syntax::NodeKind::IntegerUserDefinedLiteralExpression:
96     return new (A.getAllocator()) syntax::IntegerUserDefinedLiteralExpression;
97   case syntax::NodeKind::FloatUserDefinedLiteralExpression:
98     return new (A.getAllocator()) syntax::FloatUserDefinedLiteralExpression;
99   case syntax::NodeKind::CharUserDefinedLiteralExpression:
100     return new (A.getAllocator()) syntax::CharUserDefinedLiteralExpression;
101   case syntax::NodeKind::StringUserDefinedLiteralExpression:
102     return new (A.getAllocator()) syntax::StringUserDefinedLiteralExpression;
103   case syntax::NodeKind::PrefixUnaryOperatorExpression:
104     return new (A.getAllocator()) syntax::PrefixUnaryOperatorExpression;
105   case syntax::NodeKind::PostfixUnaryOperatorExpression:
106     return new (A.getAllocator()) syntax::PostfixUnaryOperatorExpression;
107   case syntax::NodeKind::BinaryOperatorExpression:
108     return new (A.getAllocator()) syntax::BinaryOperatorExpression;
109   case syntax::NodeKind::UnqualifiedId:
110     return new (A.getAllocator()) syntax::UnqualifiedId;
111   case syntax::NodeKind::IdExpression:
112     return new (A.getAllocator()) syntax::IdExpression;
113   case syntax::NodeKind::CallExpression:
114     return new (A.getAllocator()) syntax::CallExpression;
115   case syntax::NodeKind::UnknownStatement:
116     return new (A.getAllocator()) syntax::UnknownStatement;
117   case syntax::NodeKind::DeclarationStatement:
118     return new (A.getAllocator()) syntax::DeclarationStatement;
119   case syntax::NodeKind::EmptyStatement:
120     return new (A.getAllocator()) syntax::EmptyStatement;
121   case syntax::NodeKind::SwitchStatement:
122     return new (A.getAllocator()) syntax::SwitchStatement;
123   case syntax::NodeKind::CaseStatement:
124     return new (A.getAllocator()) syntax::CaseStatement;
125   case syntax::NodeKind::DefaultStatement:
126     return new (A.getAllocator()) syntax::DefaultStatement;
127   case syntax::NodeKind::IfStatement:
128     return new (A.getAllocator()) syntax::IfStatement;
129   case syntax::NodeKind::ForStatement:
130     return new (A.getAllocator()) syntax::ForStatement;
131   case syntax::NodeKind::WhileStatement:
132     return new (A.getAllocator()) syntax::WhileStatement;
133   case syntax::NodeKind::ContinueStatement:
134     return new (A.getAllocator()) syntax::ContinueStatement;
135   case syntax::NodeKind::BreakStatement:
136     return new (A.getAllocator()) syntax::BreakStatement;
137   case syntax::NodeKind::ReturnStatement:
138     return new (A.getAllocator()) syntax::ReturnStatement;
139   case syntax::NodeKind::RangeBasedForStatement:
140     return new (A.getAllocator()) syntax::RangeBasedForStatement;
141   case syntax::NodeKind::ExpressionStatement:
142     return new (A.getAllocator()) syntax::ExpressionStatement;
143   case syntax::NodeKind::CompoundStatement:
144     return new (A.getAllocator()) syntax::CompoundStatement;
145   case syntax::NodeKind::UnknownDeclaration:
146     return new (A.getAllocator()) syntax::UnknownDeclaration;
147   case syntax::NodeKind::EmptyDeclaration:
148     return new (A.getAllocator()) syntax::EmptyDeclaration;
149   case syntax::NodeKind::StaticAssertDeclaration:
150     return new (A.getAllocator()) syntax::StaticAssertDeclaration;
151   case syntax::NodeKind::LinkageSpecificationDeclaration:
152     return new (A.getAllocator()) syntax::LinkageSpecificationDeclaration;
153   case syntax::NodeKind::SimpleDeclaration:
154     return new (A.getAllocator()) syntax::SimpleDeclaration;
155   case syntax::NodeKind::TemplateDeclaration:
156     return new (A.getAllocator()) syntax::TemplateDeclaration;
157   case syntax::NodeKind::ExplicitTemplateInstantiation:
158     return new (A.getAllocator()) syntax::ExplicitTemplateInstantiation;
159   case syntax::NodeKind::NamespaceDefinition:
160     return new (A.getAllocator()) syntax::NamespaceDefinition;
161   case syntax::NodeKind::NamespaceAliasDefinition:
162     return new (A.getAllocator()) syntax::NamespaceAliasDefinition;
163   case syntax::NodeKind::UsingNamespaceDirective:
164     return new (A.getAllocator()) syntax::UsingNamespaceDirective;
165   case syntax::NodeKind::UsingDeclaration:
166     return new (A.getAllocator()) syntax::UsingDeclaration;
167   case syntax::NodeKind::TypeAliasDeclaration:
168     return new (A.getAllocator()) syntax::TypeAliasDeclaration;
169   case syntax::NodeKind::SimpleDeclarator:
170     return new (A.getAllocator()) syntax::SimpleDeclarator;
171   case syntax::NodeKind::ParenDeclarator:
172     return new (A.getAllocator()) syntax::ParenDeclarator;
173   case syntax::NodeKind::ArraySubscript:
174     return new (A.getAllocator()) syntax::ArraySubscript;
175   case syntax::NodeKind::TrailingReturnType:
176     return new (A.getAllocator()) syntax::TrailingReturnType;
177   case syntax::NodeKind::ParametersAndQualifiers:
178     return new (A.getAllocator()) syntax::ParametersAndQualifiers;
179   case syntax::NodeKind::MemberPointer:
180     return new (A.getAllocator()) syntax::MemberPointer;
181   case syntax::NodeKind::GlobalNameSpecifier:
182     return new (A.getAllocator()) syntax::GlobalNameSpecifier;
183   case syntax::NodeKind::DecltypeNameSpecifier:
184     return new (A.getAllocator()) syntax::DecltypeNameSpecifier;
185   case syntax::NodeKind::IdentifierNameSpecifier:
186     return new (A.getAllocator()) syntax::IdentifierNameSpecifier;
187   case syntax::NodeKind::SimpleTemplateNameSpecifier:
188     return new (A.getAllocator()) syntax::SimpleTemplateNameSpecifier;
189   case syntax::NodeKind::NestedNameSpecifier:
190     return new (A.getAllocator()) syntax::NestedNameSpecifier;
191   case syntax::NodeKind::MemberExpression:
192     return new (A.getAllocator()) syntax::MemberExpression;
193   case syntax::NodeKind::CallArguments:
194     return new (A.getAllocator()) syntax::CallArguments;
195   case syntax::NodeKind::ParameterDeclarationList:
196     return new (A.getAllocator()) syntax::ParameterDeclarationList;
197   case syntax::NodeKind::DeclaratorList:
198     return new (A.getAllocator()) syntax::DeclaratorList;
204 syntax::Tree *clang::syntax::createTree(
205     syntax::Arena &A,
206     ArrayRef<std::pair<syntax::Node *, syntax::NodeRole>> Children,
207     syntax::NodeKind K) {
217 syntax::Node *clang::syntax::deepCopyExpandingMacros(syntax::Arena &A,
219                                                      const syntax::Node *N) {
220   if (const auto *L = dyn_cast<syntax::Leaf>(N))
226   const auto *T = cast<syntax::Tree>(N);
227   std::vector<std::pair<syntax::Node *, syntax::NodeRole>> Children;
235 syntax::EmptyStatement *clang::syntax::createEmptyStatement(syntax::Arena &A,  TokenBufferTokenManager &TBTM) {