Add the Clang tblgen backends to Clang, and flip the switch to cause
the build systems to use clang-tblgen.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141291 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/ClangAttrEmitter.cpp b/utils/TableGen/ClangAttrEmitter.cpp
new file mode 100644
index 0000000..5f25b8f
--- /dev/null
+++ b/utils/TableGen/ClangAttrEmitter.cpp
@@ -0,0 +1,788 @@
+//===- 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 "llvm/ADT/StringSwitch.h"
+#include "llvm/TableGen/Record.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::const_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;
+}
+
+static std::string ReadPCHRecord(StringRef type) {
+ return StringSwitch<std::string>(type)
+ .EndsWith("Decl *", "GetLocalDeclAs<"
+ + std::string(type, 0, type.size()-1) + ">(F, Record[Idx++])")
+ .Case("QualType", "getLocalType(F, Record[Idx++])")
+ .Case("Expr *", "ReadSubExpr()")
+ .Case("IdentifierInfo *", "GetIdentifierInfo(F, Record, Idx)")
+ .Case("SourceLocation", "ReadSourceLocation(F, Record, Idx)")
+ .Default("Record[Idx++]");
+}
+
+// Assumes that the way to get the value is SA->getname()
+static 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")
+ .Case("SourceLocation",
+ "AddSourceLocation(" + 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 == "SourceLocArgument")
+ Ptr = new SimpleArgument(Arg, Attr, "SourceLocation");
+ else if (ArgName == "VariadicUnsignedArgument")
+ Ptr = new VariadicArgument(Arg, Attr, "unsigned");
+ else if (ArgName == "VariadicExprArgument")
+ Ptr = new VariadicArgument(Arg, Attr, "Expr *");
+ 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(SourceRange R, ASTContext &Ctx\n";
+
+ for (ai = Args.begin(); ai != ae; ++ai) {
+ OS << " , ";
+ (*ai)->writeCtorParameters(OS);
+ OS << "\n";
+ }
+
+ OS << " )\n";
+ OS << " : " << SuperName << "(attr::" << R.getName() << ", R)\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(Range, 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";
+ }
+ }
+
+}
+
+void ClangAttrLateParsedListEmitter::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;
+
+ bool LateParsed = Attr.getValueAsBit("LateParsed");
+
+ if (LateParsed) {
+ std::vector<StringRef> Spellings =
+ getValueAsListOfStrings(Attr, "Spellings");
+
+ for (std::vector<StringRef>::const_iterator I = Spellings.begin(),
+ E = Spellings.end(); I != E; ++I) {
+ OS << ".Case(\"" << (*I) << "\", " << LateParsed << ")\n";
+ }
+ }
+ }
+}