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| 13 | #include "clang/Frontend/ASTConsumers.h" |
| 14 | #include "clang/AST/AST.h" |
| 15 | #include "clang/AST/ASTConsumer.h" |
| 16 | #include "clang/AST/ASTContext.h" |
| 17 | #include "clang/AST/PrettyPrinter.h" |
| 18 | #include "clang/AST/RecordLayout.h" |
| 19 | #include "clang/AST/RecursiveASTVisitor.h" |
| 20 | #include "clang/Basic/Diagnostic.h" |
| 21 | #include "clang/Basic/SourceManager.h" |
| 22 | #include "llvm/Support/Path.h" |
| 23 | #include "llvm/Support/Timer.h" |
| 24 | #include "llvm/Support/raw_ostream.h" |
| 25 | using namespace clang; |
| 26 | |
| 27 | |
| 28 | |
| 29 | |
| 30 | namespace { |
| 31 | class ASTPrinter : public ASTConsumer, |
| 32 | public RecursiveASTVisitor<ASTPrinter> { |
| 33 | typedef RecursiveASTVisitor<ASTPrinter> base; |
| 34 | |
| 35 | public: |
| 36 | enum Kind { DumpFull, Dump, Print, None }; |
| 37 | ASTPrinter(std::unique_ptr<raw_ostream> Out, Kind K, StringRef FilterString, |
| 38 | bool DumpLookups = false) |
| 39 | : Out(Out ? *Out : llvm::outs()), OwnedOut(std::move(Out)), |
| 40 | OutputKind(K), FilterString(FilterString), DumpLookups(DumpLookups) {} |
| 41 | |
| 42 | void HandleTranslationUnit(ASTContext &Context) override { |
| 43 | TranslationUnitDecl *D = Context.getTranslationUnitDecl(); |
| 44 | |
| 45 | if (FilterString.empty()) |
| 46 | return print(D); |
| 47 | |
| 48 | TraverseDecl(D); |
| 49 | } |
| 50 | |
| 51 | bool shouldWalkTypesOfTypeLocs() const { return false; } |
| 52 | |
| 53 | bool TraverseDecl(Decl *D) { |
| 54 | if (D && filterMatches(D)) { |
| 55 | bool ShowColors = Out.has_colors(); |
| 56 | if (ShowColors) |
| 57 | Out.changeColor(raw_ostream::BLUE); |
| 58 | Out << (OutputKind != Print ? "Dumping " : "Printing ") << getName(D) |
| 59 | << ":\n"; |
| 60 | if (ShowColors) |
| 61 | Out.resetColor(); |
| 62 | print(D); |
| 63 | Out << "\n"; |
| 64 | |
| 65 | return true; |
| 66 | } |
| 67 | return base::TraverseDecl(D); |
| 68 | } |
| 69 | |
| 70 | private: |
| 71 | std::string getName(Decl *D) { |
| 72 | if (isa<NamedDecl>(D)) |
| 73 | return cast<NamedDecl>(D)->getQualifiedNameAsString(); |
| 74 | return ""; |
| 75 | } |
| 76 | bool filterMatches(Decl *D) { |
| 77 | return getName(D).find(FilterString) != std::string::npos; |
| 78 | } |
| 79 | void print(Decl *D) { |
| 80 | if (DumpLookups) { |
| 81 | if (DeclContext *DC = dyn_cast<DeclContext>(D)) { |
| 82 | if (DC == DC->getPrimaryContext()) |
| 83 | DC->dumpLookups(Out, OutputKind != None, OutputKind == DumpFull); |
| 84 | else |
| 85 | Out << "Lookup map is in primary DeclContext " |
| 86 | << DC->getPrimaryContext() << "\n"; |
| 87 | } else |
| 88 | Out << "Not a DeclContext\n"; |
| 89 | } else if (OutputKind == Print) { |
| 90 | PrintingPolicy Policy(D->getASTContext().getLangOpts()); |
| 91 | D->print(Out, Policy, , ); |
| 92 | } else if (OutputKind != None) |
| 93 | D->dump(Out, OutputKind == DumpFull); |
| 94 | } |
| 95 | |
| 96 | raw_ostream &Out; |
| 97 | std::unique_ptr<raw_ostream> OwnedOut; |
| 98 | |
| 99 | |
| 100 | Kind OutputKind; |
| 101 | |
| 102 | |
| 103 | std::string FilterString; |
| 104 | |
| 105 | |
| 106 | |
| 107 | |
| 108 | bool DumpLookups; |
| 109 | }; |
| 110 | |
| 111 | class ASTDeclNodeLister : public ASTConsumer, |
| 112 | public RecursiveASTVisitor<ASTDeclNodeLister> { |
| 113 | public: |
| 114 | ASTDeclNodeLister(raw_ostream *Out = nullptr) |
| 115 | : Out(Out ? *Out : llvm::outs()) {} |
| 116 | |
| 117 | void HandleTranslationUnit(ASTContext &Context) override { |
| 118 | TraverseDecl(Context.getTranslationUnitDecl()); |
| 119 | } |
| 120 | |
| 121 | bool shouldWalkTypesOfTypeLocs() const { return false; } |
| 122 | |
| 123 | bool VisitNamedDecl(NamedDecl *D) { |
| 124 | D->printQualifiedName(Out); |
| 125 | Out << '\n'; |
| 126 | return true; |
| 127 | } |
| 128 | |
| 129 | private: |
| 130 | raw_ostream &Out; |
| 131 | }; |
| 132 | } |
| 133 | |
| 134 | std::unique_ptr<ASTConsumer> |
| 135 | clang::CreateASTPrinter(std::unique_ptr<raw_ostream> Out, |
| 136 | StringRef FilterString) { |
| 137 | return llvm::make_unique<ASTPrinter>(std::move(Out), ASTPrinter::Print, |
| 138 | FilterString); |
| 139 | } |
| 140 | |
| 141 | std::unique_ptr<ASTConsumer> |
| 142 | clang::CreateASTDumper(std::unique_ptr<raw_ostream> Out, |
| 143 | StringRef FilterString, |
| 144 | bool DumpDecls, |
| 145 | bool Deserialize, |
| 146 | bool DumpLookups) { |
| 147 | (0) . __assert_fail ("(DumpDecls || Deserialize || DumpLookups) && \"nothing to dump\"", "/home/seafit/code_projects/clang_source/clang/lib/Frontend/ASTConsumers.cpp", 147, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert((DumpDecls || Deserialize || DumpLookups) && "nothing to dump"); |
| 148 | return llvm::make_unique<ASTPrinter>(std::move(Out), |
| 149 | Deserialize ? ASTPrinter::DumpFull : |
| 150 | DumpDecls ? ASTPrinter::Dump : |
| 151 | ASTPrinter::None, |
| 152 | FilterString, DumpLookups); |
| 153 | } |
| 154 | |
| 155 | std::unique_ptr<ASTConsumer> clang::CreateASTDeclNodeLister() { |
| 156 | return llvm::make_unique<ASTDeclNodeLister>(nullptr); |
| 157 | } |
| 158 | |
| 159 | |
| 160 | |
| 161 | |
| 162 | namespace { |
| 163 | class ASTViewer : public ASTConsumer { |
| 164 | ASTContext *Context; |
| 165 | public: |
| 166 | void Initialize(ASTContext &Context) override { |
| 167 | this->Context = &Context; |
| 168 | } |
| 169 | |
| 170 | bool HandleTopLevelDecl(DeclGroupRef D) override { |
| 171 | for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) |
| 172 | HandleTopLevelSingleDecl(*I); |
| 173 | return true; |
| 174 | } |
| 175 | |
| 176 | void HandleTopLevelSingleDecl(Decl *D); |
| 177 | }; |
| 178 | } |
| 179 | |
| 180 | void ASTViewer::HandleTopLevelSingleDecl(Decl *D) { |
| 181 | if (isa<FunctionDecl>(D) || isa<ObjCMethodDecl>(D)) { |
| 182 | D->print(llvm::errs()); |
| 183 | |
| 184 | if (Stmt *Body = D->getBody()) { |
| 185 | llvm::errs() << '\n'; |
| 186 | Body->viewAST(); |
| 187 | llvm::errs() << '\n'; |
| 188 | } |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | std::unique_ptr<ASTConsumer> clang::CreateASTViewer() { |
| 193 | return llvm::make_unique<ASTViewer>(); |
| 194 | } |
| 195 | |