| //===- ClangAttrEmitter.cpp - Generate Clang attribute handling =-*- C++ -*--=// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // These tablegen backends emit Clang attribute processing code |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "ClangAttrEmitter.h" |
| #include "Record.h" |
| #include "llvm/ADT/StringSwitch.h" |
| #include <algorithm> |
| #include <cctype> |
| |
| using namespace llvm; |
| |
| static const std::vector<StringRef> |
| getValueAsListOfStrings(Record &R, StringRef FieldName) { |
| ListInit *List = R.getValueAsListInit(FieldName); |
| assert (List && "Got a null ListInit"); |
| |
| std::vector<StringRef> Strings; |
| Strings.reserve(List->getSize()); |
| |
| for (ListInit::iterator i = List->begin(), e = List->end(); i != e; ++i) { |
| assert(*i && "Got a null element in a ListInit"); |
| if (StringInit *S = dynamic_cast<StringInit *>(*i)) |
| Strings.push_back(S->getValue()); |
| else if (CodeInit *C = dynamic_cast<CodeInit *>(*i)) |
| Strings.push_back(C->getValue()); |
| else |
| assert(false && "Got a non-string, non-code element in a ListInit"); |
| } |
| |
| return Strings; |
| } |
| |
| std::string ReadPCHRecord(StringRef type) { |
| return StringSwitch<std::string>(type) |
| .EndsWith("Decl *", "cast_or_null<" + std::string(type, 0, type.size()-1) + |
| ">(GetDecl(Record[Idx++]))") |
| .Case("QualType", "GetType(Record[Idx++])") |
| .Case("Expr *", "ReadSubExpr()") |
| .Case("IdentifierInfo *", "GetIdentifierInfo(Record, Idx)") |
| .Default("Record[Idx++]"); |
| } |
| |
| // Assumes that the way to get the value is SA->getname() |
| std::string WritePCHRecord(StringRef type, StringRef name) { |
| return StringSwitch<std::string>(type) |
| .EndsWith("Decl *", "AddDeclRef(" + std::string(name) + |
| ", Record);\n") |
| .Case("QualType", "AddTypeRef(" + std::string(name) + ", Record);\n") |
| .Case("Expr *", "AddStmt(" + std::string(name) + ");\n") |
| .Case("IdentifierInfo *", |
| "AddIdentifierRef(" + std::string(name) + ", Record);\n") |
| .Default("Record.push_back(" + std::string(name) + ");\n"); |
| } |
| |
| namespace { |
| class Argument { |
| std::string lowerName, upperName; |
| StringRef attrName; |
| |
| public: |
| Argument(Record &Arg, StringRef Attr) |
| : lowerName(Arg.getValueAsString("Name")), upperName(lowerName), |
| attrName(Attr) { |
| if (!lowerName.empty()) { |
| lowerName[0] = std::tolower(lowerName[0]); |
| upperName[0] = std::toupper(upperName[0]); |
| } |
| } |
| virtual ~Argument() {} |
| |
| StringRef getLowerName() const { return lowerName; } |
| StringRef getUpperName() const { return upperName; } |
| StringRef getAttrName() const { return attrName; } |
| |
| // These functions print the argument contents formatted in different ways. |
| virtual void writeAccessors(raw_ostream &OS) const = 0; |
| virtual void writeAccessorDefinitions(raw_ostream &OS) const {} |
| virtual void writeCloneArgs(raw_ostream &OS) const = 0; |
| virtual void writeCtorBody(raw_ostream &OS) const {} |
| virtual void writeCtorInitializers(raw_ostream &OS) const = 0; |
| virtual void writeCtorParameters(raw_ostream &OS) const = 0; |
| virtual void writeDeclarations(raw_ostream &OS) const = 0; |
| virtual void writePCHReadArgs(raw_ostream &OS) const = 0; |
| virtual void writePCHReadDecls(raw_ostream &OS) const = 0; |
| virtual void writePCHWrite(raw_ostream &OS) const = 0; |
| }; |
| |
| class SimpleArgument : public Argument { |
| std::string type; |
| |
| public: |
| SimpleArgument(Record &Arg, StringRef Attr, std::string T) |
| : Argument(Arg, Attr), type(T) |
| {} |
| |
| void writeAccessors(raw_ostream &OS) const { |
| OS << " " << type << " get" << getUpperName() << "() const {\n"; |
| OS << " return " << getLowerName() << ";\n"; |
| OS << " }"; |
| } |
| void writeCloneArgs(raw_ostream &OS) const { |
| OS << getLowerName(); |
| } |
| void writeCtorInitializers(raw_ostream &OS) const { |
| OS << getLowerName() << "(" << getUpperName() << ")"; |
| } |
| void writeCtorParameters(raw_ostream &OS) const { |
| OS << type << " " << getUpperName(); |
| } |
| void writeDeclarations(raw_ostream &OS) const { |
| OS << type << " " << getLowerName() << ";"; |
| } |
| void writePCHReadDecls(raw_ostream &OS) const { |
| std::string read = ReadPCHRecord(type); |
| OS << " " << type << " " << getLowerName() << " = " << read << ";\n"; |
| } |
| void writePCHReadArgs(raw_ostream &OS) const { |
| OS << getLowerName(); |
| } |
| void writePCHWrite(raw_ostream &OS) const { |
| OS << " " << WritePCHRecord(type, "SA->get" + |
| std::string(getUpperName()) + "()"); |
| } |
| }; |
| |
| class StringArgument : public Argument { |
| public: |
| StringArgument(Record &Arg, StringRef Attr) |
| : Argument(Arg, Attr) |
| {} |
| |
| void writeAccessors(raw_ostream &OS) const { |
| OS << " llvm::StringRef get" << getUpperName() << "() const {\n"; |
| OS << " return llvm::StringRef(" << getLowerName() << ", " |
| << getLowerName() << "Length);\n"; |
| OS << " }\n"; |
| OS << " unsigned get" << getUpperName() << "Length() const {\n"; |
| OS << " return " << getLowerName() << "Length;\n"; |
| OS << " }\n"; |
| OS << " void set" << getUpperName() |
| << "(ASTContext &C, llvm::StringRef S) {\n"; |
| OS << " " << getLowerName() << "Length = S.size();\n"; |
| OS << " this->" << getLowerName() << " = new (C, 1) char [" |
| << getLowerName() << "Length];\n"; |
| OS << " std::memcpy(this->" << getLowerName() << ", S.data(), " |
| << getLowerName() << "Length);\n"; |
| OS << " }"; |
| } |
| void writeCloneArgs(raw_ostream &OS) const { |
| OS << "get" << getUpperName() << "()"; |
| } |
| void writeCtorBody(raw_ostream &OS) const { |
| OS << " std::memcpy(" << getLowerName() << ", " << getUpperName() |
| << ".data(), " << getLowerName() << "Length);"; |
| } |
| void writeCtorInitializers(raw_ostream &OS) const { |
| OS << getLowerName() << "Length(" << getUpperName() << ".size())," |
| << getLowerName() << "(new (Ctx, 1) char[" << getLowerName() |
| << "Length])"; |
| } |
| void writeCtorParameters(raw_ostream &OS) const { |
| OS << "llvm::StringRef " << getUpperName(); |
| } |
| void writeDeclarations(raw_ostream &OS) const { |
| OS << "unsigned " << getLowerName() << "Length;\n"; |
| OS << "char *" << getLowerName() << ";"; |
| } |
| void writePCHReadDecls(raw_ostream &OS) const { |
| OS << " std::string " << getLowerName() |
| << "= ReadString(Record, Idx);\n"; |
| } |
| void writePCHReadArgs(raw_ostream &OS) const { |
| OS << getLowerName(); |
| } |
| void writePCHWrite(raw_ostream &OS) const { |
| OS << " AddString(SA->get" << getUpperName() << "(), Record);\n"; |
| } |
| }; |
| |
| class AlignedArgument : public Argument { |
| public: |
| AlignedArgument(Record &Arg, StringRef Attr) |
| : Argument(Arg, Attr) |
| {} |
| |
| void writeAccessors(raw_ostream &OS) const { |
| OS << " bool is" << getUpperName() << "Dependent() const;\n"; |
| |
| OS << " unsigned get" << getUpperName() << "(ASTContext &Ctx) const;\n"; |
| |
| OS << " bool is" << getUpperName() << "Expr() const {\n"; |
| OS << " return is" << getLowerName() << "Expr;\n"; |
| OS << " }\n"; |
| |
| OS << " Expr *get" << getUpperName() << "Expr() const {\n"; |
| OS << " assert(is" << getLowerName() << "Expr);\n"; |
| OS << " return " << getLowerName() << "Expr;\n"; |
| OS << " }\n"; |
| |
| OS << " TypeSourceInfo *get" << getUpperName() << "Type() const {\n"; |
| OS << " assert(!is" << getLowerName() << "Expr);\n"; |
| OS << " return " << getLowerName() << "Type;\n"; |
| OS << " }"; |
| } |
| void writeAccessorDefinitions(raw_ostream &OS) const { |
| OS << "bool " << getAttrName() << "Attr::is" << getUpperName() |
| << "Dependent() const {\n"; |
| OS << " if (is" << getLowerName() << "Expr)\n"; |
| OS << " return " << getLowerName() << "Expr && (" << getLowerName() |
| << "Expr->isValueDependent() || " << getLowerName() |
| << "Expr->isTypeDependent());\n"; |
| OS << " else\n"; |
| OS << " return " << getLowerName() |
| << "Type->getType()->isDependentType();\n"; |
| OS << "}\n"; |
| |
| // FIXME: Do not do the calculation here |
| // FIXME: Handle types correctly |
| // A null pointer means maximum alignment |
| // FIXME: Load the platform-specific maximum alignment, rather than |
| // 16, the x86 max. |
| OS << "unsigned " << getAttrName() << "Attr::get" << getUpperName() |
| << "(ASTContext &Ctx) const {\n"; |
| OS << " assert(!is" << getUpperName() << "Dependent());\n"; |
| OS << " if (is" << getLowerName() << "Expr)\n"; |
| OS << " return (" << getLowerName() << "Expr ? " << getLowerName() |
| << "Expr->EvaluateAsInt(Ctx).getZExtValue() : 16)" |
| << "* Ctx.getCharWidth();\n"; |
| OS << " else\n"; |
| OS << " return 0; // FIXME\n"; |
| OS << "}\n"; |
| } |
| void writeCloneArgs(raw_ostream &OS) const { |
| OS << "is" << getLowerName() << "Expr, is" << getLowerName() |
| << "Expr ? static_cast<void*>(" << getLowerName() |
| << "Expr) : " << getLowerName() |
| << "Type"; |
| } |
| void writeCtorBody(raw_ostream &OS) const { |
| OS << " if (is" << getLowerName() << "Expr)\n"; |
| OS << " " << getLowerName() << "Expr = reinterpret_cast<Expr *>(" |
| << getUpperName() << ");\n"; |
| OS << " else\n"; |
| OS << " " << getLowerName() |
| << "Type = reinterpret_cast<TypeSourceInfo *>(" << getUpperName() |
| << ");"; |
| } |
| void writeCtorInitializers(raw_ostream &OS) const { |
| OS << "is" << getLowerName() << "Expr(Is" << getUpperName() << "Expr)"; |
| } |
| void writeCtorParameters(raw_ostream &OS) const { |
| OS << "bool Is" << getUpperName() << "Expr, void *" << getUpperName(); |
| } |
| void writeDeclarations(raw_ostream &OS) const { |
| OS << "bool is" << getLowerName() << "Expr;\n"; |
| OS << "union {\n"; |
| OS << "Expr *" << getLowerName() << "Expr;\n"; |
| OS << "TypeSourceInfo *" << getLowerName() << "Type;\n"; |
| OS << "};"; |
| } |
| void writePCHReadArgs(raw_ostream &OS) const { |
| OS << "is" << getLowerName() << "Expr, " << getLowerName() << "Ptr"; |
| } |
| void writePCHReadDecls(raw_ostream &OS) const { |
| OS << " bool is" << getLowerName() << "Expr = Record[Idx++];\n"; |
| OS << " void *" << getLowerName() << "Ptr;\n"; |
| OS << " if (is" << getLowerName() << "Expr)\n"; |
| OS << " " << getLowerName() << "Ptr = ReadExpr(F);\n"; |
| OS << " else\n"; |
| OS << " " << getLowerName() |
| << "Ptr = GetTypeSourceInfo(F, Record, Idx);\n"; |
| } |
| void writePCHWrite(raw_ostream &OS) const { |
| OS << " Record.push_back(SA->is" << getUpperName() << "Expr());\n"; |
| OS << " if (SA->is" << getUpperName() << "Expr())\n"; |
| OS << " AddStmt(SA->get" << getUpperName() << "Expr());\n"; |
| OS << " else\n"; |
| OS << " AddTypeSourceInfo(SA->get" << getUpperName() |
| << "Type(), Record);\n"; |
| } |
| }; |
| |
| class VariadicArgument : public Argument { |
| std::string type; |
| |
| public: |
| VariadicArgument(Record &Arg, StringRef Attr, std::string T) |
| : Argument(Arg, Attr), type(T) |
| {} |
| |
| std::string getType() const { return type; } |
| |
| void writeAccessors(raw_ostream &OS) const { |
| OS << " typedef " << type << "* " << getLowerName() << "_iterator;\n"; |
| OS << " " << getLowerName() << "_iterator " << getLowerName() |
| << "_begin() const {\n"; |
| OS << " return " << getLowerName() << ";\n"; |
| OS << " }\n"; |
| OS << " " << getLowerName() << "_iterator " << getLowerName() |
| << "_end() const {\n"; |
| OS << " return " << getLowerName() << " + " << getLowerName() |
| << "Size;\n"; |
| OS << " }\n"; |
| OS << " unsigned " << getLowerName() << "_size() const {\n" |
| << " return " << getLowerName() << "Size;\n;"; |
| OS << " }"; |
| } |
| void writeCloneArgs(raw_ostream &OS) const { |
| OS << getLowerName() << ", " << getLowerName() << "Size"; |
| } |
| void writeCtorBody(raw_ostream &OS) const { |
| // FIXME: memcpy is not safe on non-trivial types. |
| OS << " std::memcpy(" << getLowerName() << ", " << getUpperName() |
| << ", " << getLowerName() << "Size * sizeof(" << getType() << "));\n"; |
| } |
| void writeCtorInitializers(raw_ostream &OS) const { |
| OS << getLowerName() << "Size(" << getUpperName() << "Size), " |
| << getLowerName() << "(new (Ctx, 16) " << getType() << "[" |
| << getLowerName() << "Size])"; |
| } |
| void writeCtorParameters(raw_ostream &OS) const { |
| OS << getType() << " *" << getUpperName() << ", unsigned " |
| << getUpperName() << "Size"; |
| } |
| void writeDeclarations(raw_ostream &OS) const { |
| OS << " unsigned " << getLowerName() << "Size;\n"; |
| OS << " " << getType() << " *" << getLowerName() << ";"; |
| } |
| void writePCHReadDecls(raw_ostream &OS) const { |
| OS << " unsigned " << getLowerName() << "Size = Record[Idx++];\n"; |
| OS << " llvm::SmallVector<" << type << ", 4> " << getLowerName() |
| << ";\n"; |
| OS << " " << getLowerName() << ".reserve(" << getLowerName() |
| << "Size);\n"; |
| OS << " for (unsigned i = " << getLowerName() << "Size; i; --i)\n"; |
| |
| std::string read = ReadPCHRecord(type); |
| OS << " " << getLowerName() << ".push_back(" << read << ");\n"; |
| } |
| void writePCHReadArgs(raw_ostream &OS) const { |
| OS << getLowerName() << ".data(), " << getLowerName() << "Size"; |
| } |
| void writePCHWrite(raw_ostream &OS) const{ |
| OS << " Record.push_back(SA->" << getLowerName() << "_size());\n"; |
| OS << " for (" << getAttrName() << "Attr::" << getLowerName() |
| << "_iterator i = SA->" << getLowerName() << "_begin(), e = SA->" |
| << getLowerName() << "_end(); i != e; ++i)\n"; |
| OS << " " << WritePCHRecord(type, "(*i)"); |
| } |
| }; |
| |
| class EnumArgument : public Argument { |
| std::string type; |
| std::vector<StringRef> values, enums; |
| public: |
| EnumArgument(Record &Arg, StringRef Attr) |
| : Argument(Arg, Attr), type(Arg.getValueAsString("Type")), |
| values(getValueAsListOfStrings(Arg, "Values")), |
| enums(getValueAsListOfStrings(Arg, "Enums")) |
| {} |
| |
| void writeAccessors(raw_ostream &OS) const { |
| OS << " " << type << " get" << getUpperName() << "() const {\n"; |
| OS << " return " << getLowerName() << ";\n"; |
| OS << " }"; |
| } |
| void writeCloneArgs(raw_ostream &OS) const { |
| OS << getLowerName(); |
| } |
| void writeCtorInitializers(raw_ostream &OS) const { |
| OS << getLowerName() << "(" << getUpperName() << ")"; |
| } |
| void writeCtorParameters(raw_ostream &OS) const { |
| OS << type << " " << getUpperName(); |
| } |
| void writeDeclarations(raw_ostream &OS) const { |
| // Calculate the various enum values |
| std::vector<StringRef> uniques(enums); |
| std::sort(uniques.begin(), uniques.end()); |
| uniques.erase(std::unique(uniques.begin(), uniques.end()), |
| uniques.end()); |
| // FIXME: Emit a proper error |
| assert(!uniques.empty()); |
| |
| std::vector<StringRef>::iterator i = uniques.begin(), |
| e = uniques.end(); |
| // The last one needs to not have a comma. |
| --e; |
| |
| OS << "public:\n"; |
| OS << " enum " << type << " {\n"; |
| for (; i != e; ++i) |
| OS << " " << *i << ",\n"; |
| OS << " " << *e << "\n"; |
| OS << " };\n"; |
| OS << "private:\n"; |
| OS << " " << type << " " << getLowerName() << ";"; |
| } |
| void writePCHReadDecls(raw_ostream &OS) const { |
| OS << " " << getAttrName() << "Attr::" << type << " " << getLowerName() |
| << "(static_cast<" << getAttrName() << "Attr::" << type |
| << ">(Record[Idx++]));\n"; |
| } |
| void writePCHReadArgs(raw_ostream &OS) const { |
| OS << getLowerName(); |
| } |
| void writePCHWrite(raw_ostream &OS) const { |
| OS << "Record.push_back(SA->get" << getUpperName() << "());\n"; |
| } |
| }; |
| |
| class VersionArgument : public Argument { |
| public: |
| VersionArgument(Record &Arg, StringRef Attr) |
| : Argument(Arg, Attr) |
| {} |
| |
| void writeAccessors(raw_ostream &OS) const { |
| OS << " VersionTuple get" << getUpperName() << "() const {\n"; |
| OS << " return " << getLowerName() << ";\n"; |
| OS << " }\n"; |
| OS << " void set" << getUpperName() |
| << "(ASTContext &C, VersionTuple V) {\n"; |
| OS << " " << getLowerName() << " = V;\n"; |
| OS << " }"; |
| } |
| void writeCloneArgs(raw_ostream &OS) const { |
| OS << "get" << getUpperName() << "()"; |
| } |
| void writeCtorBody(raw_ostream &OS) const { |
| } |
| void writeCtorInitializers(raw_ostream &OS) const { |
| OS << getLowerName() << "(" << getUpperName() << ")"; |
| } |
| void writeCtorParameters(raw_ostream &OS) const { |
| OS << "VersionTuple " << getUpperName(); |
| } |
| void writeDeclarations(raw_ostream &OS) const { |
| OS << "VersionTuple " << getLowerName() << ";\n"; |
| } |
| void writePCHReadDecls(raw_ostream &OS) const { |
| OS << " VersionTuple " << getLowerName() |
| << "= ReadVersionTuple(Record, Idx);\n"; |
| } |
| void writePCHReadArgs(raw_ostream &OS) const { |
| OS << getLowerName(); |
| } |
| void writePCHWrite(raw_ostream &OS) const { |
| OS << " AddVersionTuple(SA->get" << getUpperName() << "(), Record);\n"; |
| } |
| }; |
| } |
| |
| static Argument *createArgument(Record &Arg, StringRef Attr, |
| Record *Search = 0) { |
| if (!Search) |
| Search = &Arg; |
| |
| Argument *Ptr = 0; |
| llvm::StringRef ArgName = Search->getName(); |
| |
| if (ArgName == "AlignedArgument") Ptr = new AlignedArgument(Arg, Attr); |
| else if (ArgName == "EnumArgument") Ptr = new EnumArgument(Arg, Attr); |
| else if (ArgName == "ExprArgument") Ptr = new SimpleArgument(Arg, Attr, |
| "Expr *"); |
| else if (ArgName == "FunctionArgument") |
| Ptr = new SimpleArgument(Arg, Attr, "FunctionDecl *"); |
| else if (ArgName == "IdentifierArgument") |
| Ptr = new SimpleArgument(Arg, Attr, "IdentifierInfo *"); |
| else if (ArgName == "BoolArgument") Ptr = new SimpleArgument(Arg, Attr, |
| "bool"); |
| else if (ArgName == "IntArgument") Ptr = new SimpleArgument(Arg, Attr, "int"); |
| else if (ArgName == "StringArgument") Ptr = new StringArgument(Arg, Attr); |
| else if (ArgName == "TypeArgument") |
| Ptr = new SimpleArgument(Arg, Attr, "QualType"); |
| else if (ArgName == "UnsignedArgument") |
| Ptr = new SimpleArgument(Arg, Attr, "unsigned"); |
| else if (ArgName == "VariadicUnsignedArgument") |
| Ptr = new VariadicArgument(Arg, Attr, "unsigned"); |
| else if (ArgName == "VersionArgument") |
| Ptr = new VersionArgument(Arg, Attr); |
| |
| if (!Ptr) { |
| std::vector<Record*> Bases = Search->getSuperClasses(); |
| for (std::vector<Record*>::iterator i = Bases.begin(), e = Bases.end(); |
| i != e; ++i) { |
| Ptr = createArgument(Arg, Attr, *i); |
| if (Ptr) |
| break; |
| } |
| } |
| return Ptr; |
| } |
| |
| void ClangAttrClassEmitter::run(raw_ostream &OS) { |
| OS << "// This file is generated by TableGen. Do not edit.\n\n"; |
| OS << "#ifndef LLVM_CLANG_ATTR_CLASSES_INC\n"; |
| OS << "#define LLVM_CLANG_ATTR_CLASSES_INC\n\n"; |
| |
| std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"); |
| |
| for (std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(); |
| i != e; ++i) { |
| Record &R = **i; |
| const std::string &SuperName = R.getSuperClasses().back()->getName(); |
| |
| OS << "class " << R.getName() << "Attr : public " << SuperName << " {\n"; |
| |
| std::vector<Record*> ArgRecords = R.getValueAsListOfDefs("Args"); |
| std::vector<Argument*> Args; |
| std::vector<Argument*>::iterator ai, ae; |
| Args.reserve(ArgRecords.size()); |
| |
| for (std::vector<Record*>::iterator ri = ArgRecords.begin(), |
| re = ArgRecords.end(); |
| ri != re; ++ri) { |
| Record &ArgRecord = **ri; |
| Argument *Arg = createArgument(ArgRecord, R.getName()); |
| assert(Arg); |
| Args.push_back(Arg); |
| |
| Arg->writeDeclarations(OS); |
| OS << "\n\n"; |
| } |
| |
| ae = Args.end(); |
| |
| OS << "\n public:\n"; |
| OS << " " << R.getName() << "Attr(SourceLocation L, ASTContext &Ctx\n"; |
| |
| for (ai = Args.begin(); ai != ae; ++ai) { |
| OS << " , "; |
| (*ai)->writeCtorParameters(OS); |
| OS << "\n"; |
| } |
| |
| OS << " )\n"; |
| OS << " : " << SuperName << "(attr::" << R.getName() << ", L)\n"; |
| |
| for (ai = Args.begin(); ai != ae; ++ai) { |
| OS << " , "; |
| (*ai)->writeCtorInitializers(OS); |
| OS << "\n"; |
| } |
| |
| OS << " {\n"; |
| |
| for (ai = Args.begin(); ai != ae; ++ai) { |
| (*ai)->writeCtorBody(OS); |
| OS << "\n"; |
| } |
| OS << " }\n\n"; |
| |
| OS << " virtual " << R.getName() << "Attr *clone (ASTContext &C) const;\n"; |
| |
| for (ai = Args.begin(); ai != ae; ++ai) { |
| (*ai)->writeAccessors(OS); |
| OS << "\n\n"; |
| } |
| |
| OS << R.getValueAsCode("AdditionalMembers"); |
| OS << "\n\n"; |
| |
| OS << " static bool classof(const Attr *A) { return A->getKind() == " |
| << "attr::" << R.getName() << "; }\n"; |
| OS << " static bool classof(const " << R.getName() |
| << "Attr *) { return true; }\n"; |
| OS << "};\n\n"; |
| } |
| |
| OS << "#endif\n"; |
| } |
| |
| void ClangAttrImplEmitter::run(raw_ostream &OS) { |
| OS << "// This file is generated by TableGen. Do not edit.\n\n"; |
| |
| std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"); |
| std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(), ri, re; |
| std::vector<Argument*>::iterator ai, ae; |
| |
| for (; i != e; ++i) { |
| Record &R = **i; |
| std::vector<Record*> ArgRecords = R.getValueAsListOfDefs("Args"); |
| std::vector<Argument*> Args; |
| for (ri = ArgRecords.begin(), re = ArgRecords.end(); ri != re; ++ri) |
| Args.push_back(createArgument(**ri, R.getName())); |
| |
| for (ai = Args.begin(), ae = Args.end(); ai != ae; ++ai) |
| (*ai)->writeAccessorDefinitions(OS); |
| |
| OS << R.getName() << "Attr *" << R.getName() |
| << "Attr::clone(ASTContext &C) const {\n"; |
| OS << " return new (C) " << R.getName() << "Attr(getLocation(), C"; |
| for (ai = Args.begin(); ai != ae; ++ai) { |
| OS << ", "; |
| (*ai)->writeCloneArgs(OS); |
| } |
| OS << ");\n}\n\n"; |
| } |
| } |
| |
| static void EmitAttrList(raw_ostream &OS, StringRef Class, |
| const std::vector<Record*> &AttrList) { |
| std::vector<Record*>::const_iterator i = AttrList.begin(), e = AttrList.end(); |
| |
| if (i != e) { |
| // Move the end iterator back to emit the last attribute. |
| for(--e; i != e; ++i) |
| OS << Class << "(" << (*i)->getName() << ")\n"; |
| |
| OS << "LAST_" << Class << "(" << (*i)->getName() << ")\n\n"; |
| } |
| } |
| |
| void ClangAttrListEmitter::run(raw_ostream &OS) { |
| OS << "// This file is generated by TableGen. Do not edit.\n\n"; |
| |
| OS << "#ifndef LAST_ATTR\n"; |
| OS << "#define LAST_ATTR(NAME) ATTR(NAME)\n"; |
| OS << "#endif\n\n"; |
| |
| OS << "#ifndef INHERITABLE_ATTR\n"; |
| OS << "#define INHERITABLE_ATTR(NAME) ATTR(NAME)\n"; |
| OS << "#endif\n\n"; |
| |
| OS << "#ifndef LAST_INHERITABLE_ATTR\n"; |
| OS << "#define LAST_INHERITABLE_ATTR(NAME) INHERITABLE_ATTR(NAME)\n"; |
| OS << "#endif\n\n"; |
| |
| OS << "#ifndef INHERITABLE_PARAM_ATTR\n"; |
| OS << "#define INHERITABLE_PARAM_ATTR(NAME) ATTR(NAME)\n"; |
| OS << "#endif\n\n"; |
| |
| OS << "#ifndef LAST_INHERITABLE_PARAM_ATTR\n"; |
| OS << "#define LAST_INHERITABLE_PARAM_ATTR(NAME)" |
| " INHERITABLE_PARAM_ATTR(NAME)\n"; |
| OS << "#endif\n\n"; |
| |
| Record *InhClass = Records.getClass("InheritableAttr"); |
| Record *InhParamClass = Records.getClass("InheritableParamAttr"); |
| std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"), |
| NonInhAttrs, InhAttrs, InhParamAttrs; |
| for (std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(); |
| i != e; ++i) { |
| if ((*i)->isSubClassOf(InhParamClass)) |
| InhParamAttrs.push_back(*i); |
| else if ((*i)->isSubClassOf(InhClass)) |
| InhAttrs.push_back(*i); |
| else |
| NonInhAttrs.push_back(*i); |
| } |
| |
| EmitAttrList(OS, "INHERITABLE_PARAM_ATTR", InhParamAttrs); |
| EmitAttrList(OS, "INHERITABLE_ATTR", InhAttrs); |
| EmitAttrList(OS, "ATTR", NonInhAttrs); |
| |
| OS << "#undef LAST_ATTR\n"; |
| OS << "#undef INHERITABLE_ATTR\n"; |
| OS << "#undef LAST_INHERITABLE_ATTR\n"; |
| OS << "#undef LAST_INHERITABLE_PARAM_ATTR\n"; |
| OS << "#undef ATTR\n"; |
| } |
| |
| void ClangAttrPCHReadEmitter::run(raw_ostream &OS) { |
| OS << "// This file is generated by TableGen. Do not edit.\n\n"; |
| |
| Record *InhClass = Records.getClass("InheritableAttr"); |
| std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"), |
| ArgRecords; |
| std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(), ai, ae; |
| std::vector<Argument*> Args; |
| std::vector<Argument*>::iterator ri, re; |
| |
| OS << " switch (Kind) {\n"; |
| OS << " default:\n"; |
| OS << " assert(0 && \"Unknown attribute!\");\n"; |
| OS << " break;\n"; |
| for (; i != e; ++i) { |
| Record &R = **i; |
| OS << " case attr::" << R.getName() << ": {\n"; |
| if (R.isSubClassOf(InhClass)) |
| OS << " bool isInherited = Record[Idx++];\n"; |
| ArgRecords = R.getValueAsListOfDefs("Args"); |
| Args.clear(); |
| for (ai = ArgRecords.begin(), ae = ArgRecords.end(); ai != ae; ++ai) { |
| Argument *A = createArgument(**ai, R.getName()); |
| Args.push_back(A); |
| A->writePCHReadDecls(OS); |
| } |
| OS << " New = new (*Context) " << R.getName() << "Attr(Loc, *Context"; |
| for (ri = Args.begin(), re = Args.end(); ri != re; ++ri) { |
| OS << ", "; |
| (*ri)->writePCHReadArgs(OS); |
| } |
| OS << ");\n"; |
| if (R.isSubClassOf(InhClass)) |
| OS << " cast<InheritableAttr>(New)->setInherited(isInherited);\n"; |
| OS << " break;\n"; |
| OS << " }\n"; |
| } |
| OS << " }\n"; |
| } |
| |
| void ClangAttrPCHWriteEmitter::run(raw_ostream &OS) { |
| Record *InhClass = Records.getClass("InheritableAttr"); |
| std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"), Args; |
| std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end(), ai, ae; |
| |
| OS << " switch (A->getKind()) {\n"; |
| OS << " default:\n"; |
| OS << " llvm_unreachable(\"Unknown attribute kind!\");\n"; |
| OS << " break;\n"; |
| for (; i != e; ++i) { |
| Record &R = **i; |
| OS << " case attr::" << R.getName() << ": {\n"; |
| Args = R.getValueAsListOfDefs("Args"); |
| if (R.isSubClassOf(InhClass) || !Args.empty()) |
| OS << " const " << R.getName() << "Attr *SA = cast<" << R.getName() |
| << "Attr>(A);\n"; |
| if (R.isSubClassOf(InhClass)) |
| OS << " Record.push_back(SA->isInherited());\n"; |
| for (ai = Args.begin(), ae = Args.end(); ai != ae; ++ai) |
| createArgument(**ai, R.getName())->writePCHWrite(OS); |
| OS << " break;\n"; |
| OS << " }\n"; |
| } |
| OS << " }\n"; |
| } |
| |
| void ClangAttrSpellingListEmitter::run(raw_ostream &OS) { |
| OS << "// This file is generated by TableGen. Do not edit.\n\n"; |
| |
| std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"); |
| |
| for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end(); I != E; ++I) { |
| Record &Attr = **I; |
| |
| std::vector<StringRef> Spellings = getValueAsListOfStrings(Attr, "Spellings"); |
| |
| for (std::vector<StringRef>::const_iterator I = Spellings.begin(), E = Spellings.end(); I != E; ++I) { |
| StringRef Spelling = *I; |
| OS << ".Case(\"" << Spelling << "\", true)\n"; |
| } |
| } |
| |
| } |