1827 lines
65 KiB
C++
1827 lines
65 KiB
C++
//===- ClangAttrEmitter.cpp - Generate Clang attribute handling =-*- C++ -*--=//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// These tablegen backends emit Clang attribute processing code
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/SmallString.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/ADT/SmallSet.h"
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#include "llvm/TableGen/Record.h"
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#include "llvm/TableGen/StringMatcher.h"
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#include "llvm/TableGen/TableGenBackend.h"
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#include <algorithm>
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#include <cctype>
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using namespace llvm;
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static const std::vector<StringRef>
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getValueAsListOfStrings(Record &R, StringRef FieldName) {
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ListInit *List = R.getValueAsListInit(FieldName);
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assert (List && "Got a null ListInit");
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std::vector<StringRef> Strings;
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Strings.reserve(List->getSize());
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for (ListInit::const_iterator i = List->begin(), e = List->end();
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i != e;
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++i) {
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assert(*i && "Got a null element in a ListInit");
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if (StringInit *S = dyn_cast<StringInit>(*i))
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Strings.push_back(S->getValue());
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else
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assert(false && "Got a non-string, non-code element in a ListInit");
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}
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return Strings;
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}
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static std::string ReadPCHRecord(StringRef type) {
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return StringSwitch<std::string>(type)
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.EndsWith("Decl *", "GetLocalDeclAs<"
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+ std::string(type, 0, type.size()-1) + ">(F, Record[Idx++])")
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.Case("TypeSourceInfo *", "GetTypeSourceInfo(F, Record, Idx)")
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.Case("Expr *", "ReadExpr(F)")
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.Case("IdentifierInfo *", "GetIdentifierInfo(F, Record, Idx)")
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.Case("SourceLocation", "ReadSourceLocation(F, Record, Idx)")
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.Default("Record[Idx++]");
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}
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// Assumes that the way to get the value is SA->getname()
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static std::string WritePCHRecord(StringRef type, StringRef name) {
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return StringSwitch<std::string>(type)
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.EndsWith("Decl *", "AddDeclRef(" + std::string(name) +
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", Record);\n")
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.Case("TypeSourceInfo *",
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"AddTypeSourceInfo(" + std::string(name) + ", Record);\n")
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.Case("Expr *", "AddStmt(" + std::string(name) + ");\n")
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.Case("IdentifierInfo *",
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"AddIdentifierRef(" + std::string(name) + ", Record);\n")
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.Case("SourceLocation",
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"AddSourceLocation(" + std::string(name) + ", Record);\n")
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.Default("Record.push_back(" + std::string(name) + ");\n");
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}
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// Normalize attribute name by removing leading and trailing
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// underscores. For example, __foo, foo__, __foo__ would
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// become foo.
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static StringRef NormalizeAttrName(StringRef AttrName) {
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if (AttrName.startswith("__"))
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AttrName = AttrName.substr(2, AttrName.size());
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if (AttrName.endswith("__"))
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AttrName = AttrName.substr(0, AttrName.size() - 2);
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return AttrName;
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}
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// Normalize attribute spelling only if the spelling has both leading
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// and trailing underscores. For example, __ms_struct__ will be
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// normalized to "ms_struct"; __cdecl will remain intact.
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static StringRef NormalizeAttrSpelling(StringRef AttrSpelling) {
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if (AttrSpelling.startswith("__") && AttrSpelling.endswith("__")) {
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AttrSpelling = AttrSpelling.substr(2, AttrSpelling.size() - 4);
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}
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return AttrSpelling;
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}
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namespace {
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class Argument {
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std::string lowerName, upperName;
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StringRef attrName;
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bool isOpt;
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public:
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Argument(Record &Arg, StringRef Attr)
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: lowerName(Arg.getValueAsString("Name")), upperName(lowerName),
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attrName(Attr), isOpt(false) {
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if (!lowerName.empty()) {
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lowerName[0] = std::tolower(lowerName[0]);
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upperName[0] = std::toupper(upperName[0]);
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}
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}
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virtual ~Argument() {}
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StringRef getLowerName() const { return lowerName; }
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StringRef getUpperName() const { return upperName; }
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StringRef getAttrName() const { return attrName; }
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bool isOptional() const { return isOpt; }
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void setOptional(bool set) { isOpt = set; }
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// These functions print the argument contents formatted in different ways.
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virtual void writeAccessors(raw_ostream &OS) const = 0;
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virtual void writeAccessorDefinitions(raw_ostream &OS) const {}
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virtual void writeCloneArgs(raw_ostream &OS) const = 0;
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virtual void writeTemplateInstantiationArgs(raw_ostream &OS) const = 0;
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virtual void writeTemplateInstantiation(raw_ostream &OS) const {}
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virtual void writeCtorBody(raw_ostream &OS) const {}
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virtual void writeCtorInitializers(raw_ostream &OS) const = 0;
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virtual void writeCtorDefaultInitializers(raw_ostream &OS) const = 0;
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virtual void writeCtorParameters(raw_ostream &OS) const = 0;
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virtual void writeDeclarations(raw_ostream &OS) const = 0;
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virtual void writePCHReadArgs(raw_ostream &OS) const = 0;
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virtual void writePCHReadDecls(raw_ostream &OS) const = 0;
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virtual void writePCHWrite(raw_ostream &OS) const = 0;
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virtual void writeValue(raw_ostream &OS) const = 0;
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virtual void writeDump(raw_ostream &OS) const = 0;
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virtual void writeDumpChildren(raw_ostream &OS) const {}
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virtual void writeHasChildren(raw_ostream &OS) const { OS << "false"; }
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virtual bool isEnumArg() const { return false; }
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virtual bool isVariadicEnumArg() const { return false; }
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};
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class SimpleArgument : public Argument {
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std::string type;
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public:
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SimpleArgument(Record &Arg, StringRef Attr, std::string T)
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: Argument(Arg, Attr), type(T)
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{}
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std::string getType() const { return type; }
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void writeAccessors(raw_ostream &OS) const {
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OS << " " << type << " get" << getUpperName() << "() const {\n";
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OS << " return " << getLowerName() << ";\n";
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OS << " }";
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}
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void writeCloneArgs(raw_ostream &OS) const {
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OS << getLowerName();
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}
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void writeTemplateInstantiationArgs(raw_ostream &OS) const {
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OS << "A->get" << getUpperName() << "()";
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}
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void writeCtorInitializers(raw_ostream &OS) const {
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OS << getLowerName() << "(" << getUpperName() << ")";
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}
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void writeCtorDefaultInitializers(raw_ostream &OS) const {
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OS << getLowerName() << "()";
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}
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void writeCtorParameters(raw_ostream &OS) const {
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OS << type << " " << getUpperName();
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}
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void writeDeclarations(raw_ostream &OS) const {
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OS << type << " " << getLowerName() << ";";
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}
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void writePCHReadDecls(raw_ostream &OS) const {
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std::string read = ReadPCHRecord(type);
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OS << " " << type << " " << getLowerName() << " = " << read << ";\n";
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}
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void writePCHReadArgs(raw_ostream &OS) const {
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OS << getLowerName();
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}
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void writePCHWrite(raw_ostream &OS) const {
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OS << " " << WritePCHRecord(type, "SA->get" +
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std::string(getUpperName()) + "()");
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}
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void writeValue(raw_ostream &OS) const {
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if (type == "FunctionDecl *") {
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OS << "\" << get" << getUpperName()
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<< "()->getNameInfo().getAsString() << \"";
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} else if (type == "IdentifierInfo *") {
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OS << "\" << get" << getUpperName() << "()->getName() << \"";
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} else if (type == "TypeSourceInfo *") {
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OS << "\" << get" << getUpperName() << "().getAsString() << \"";
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} else if (type == "SourceLocation") {
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OS << "\" << get" << getUpperName() << "().getRawEncoding() << \"";
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} else {
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OS << "\" << get" << getUpperName() << "() << \"";
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}
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}
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void writeDump(raw_ostream &OS) const {
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if (type == "FunctionDecl *") {
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OS << " OS << \" \";\n";
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OS << " dumpBareDeclRef(SA->get" << getUpperName() << "());\n";
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} else if (type == "IdentifierInfo *") {
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OS << " OS << \" \" << SA->get" << getUpperName()
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<< "()->getName();\n";
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} else if (type == "TypeSourceInfo *") {
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OS << " OS << \" \" << SA->get" << getUpperName()
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<< "().getAsString();\n";
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} else if (type == "SourceLocation") {
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OS << " OS << \" \";\n";
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OS << " SA->get" << getUpperName() << "().print(OS, *SM);\n";
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} else if (type == "bool") {
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OS << " if (SA->get" << getUpperName() << "()) OS << \" "
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<< getUpperName() << "\";\n";
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} else if (type == "int" || type == "unsigned") {
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OS << " OS << \" \" << SA->get" << getUpperName() << "();\n";
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} else {
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llvm_unreachable("Unknown SimpleArgument type!");
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}
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}
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};
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class StringArgument : public Argument {
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public:
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StringArgument(Record &Arg, StringRef Attr)
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: Argument(Arg, Attr)
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{}
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void writeAccessors(raw_ostream &OS) const {
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OS << " llvm::StringRef get" << getUpperName() << "() const {\n";
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OS << " return llvm::StringRef(" << getLowerName() << ", "
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<< getLowerName() << "Length);\n";
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OS << " }\n";
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OS << " unsigned get" << getUpperName() << "Length() const {\n";
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OS << " return " << getLowerName() << "Length;\n";
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OS << " }\n";
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OS << " void set" << getUpperName()
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<< "(ASTContext &C, llvm::StringRef S) {\n";
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OS << " " << getLowerName() << "Length = S.size();\n";
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OS << " this->" << getLowerName() << " = new (C, 1) char ["
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<< getLowerName() << "Length];\n";
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OS << " std::memcpy(this->" << getLowerName() << ", S.data(), "
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<< getLowerName() << "Length);\n";
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OS << " }";
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}
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void writeCloneArgs(raw_ostream &OS) const {
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OS << "get" << getUpperName() << "()";
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}
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void writeTemplateInstantiationArgs(raw_ostream &OS) const {
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OS << "A->get" << getUpperName() << "()";
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}
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void writeCtorBody(raw_ostream &OS) const {
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OS << " std::memcpy(" << getLowerName() << ", " << getUpperName()
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<< ".data(), " << getLowerName() << "Length);";
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}
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void writeCtorInitializers(raw_ostream &OS) const {
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OS << getLowerName() << "Length(" << getUpperName() << ".size()),"
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<< getLowerName() << "(new (Ctx, 1) char[" << getLowerName()
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<< "Length])";
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}
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void writeCtorDefaultInitializers(raw_ostream &OS) const {
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OS << getLowerName() << "Length(0)," << getLowerName() << "(0)";
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}
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void writeCtorParameters(raw_ostream &OS) const {
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OS << "llvm::StringRef " << getUpperName();
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}
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void writeDeclarations(raw_ostream &OS) const {
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OS << "unsigned " << getLowerName() << "Length;\n";
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OS << "char *" << getLowerName() << ";";
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}
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void writePCHReadDecls(raw_ostream &OS) const {
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OS << " std::string " << getLowerName()
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<< "= ReadString(Record, Idx);\n";
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}
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void writePCHReadArgs(raw_ostream &OS) const {
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OS << getLowerName();
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}
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void writePCHWrite(raw_ostream &OS) const {
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OS << " AddString(SA->get" << getUpperName() << "(), Record);\n";
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}
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void writeValue(raw_ostream &OS) const {
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OS << "\\\"\" << get" << getUpperName() << "() << \"\\\"";
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}
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void writeDump(raw_ostream &OS) const {
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OS << " OS << \" \\\"\" << SA->get" << getUpperName()
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<< "() << \"\\\"\";\n";
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}
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};
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class AlignedArgument : public Argument {
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public:
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AlignedArgument(Record &Arg, StringRef Attr)
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: Argument(Arg, Attr)
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{}
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void writeAccessors(raw_ostream &OS) const {
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OS << " bool is" << getUpperName() << "Dependent() const;\n";
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OS << " unsigned get" << getUpperName() << "(ASTContext &Ctx) const;\n";
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OS << " bool is" << getUpperName() << "Expr() const {\n";
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OS << " return is" << getLowerName() << "Expr;\n";
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OS << " }\n";
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OS << " Expr *get" << getUpperName() << "Expr() const {\n";
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OS << " assert(is" << getLowerName() << "Expr);\n";
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OS << " return " << getLowerName() << "Expr;\n";
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OS << " }\n";
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OS << " TypeSourceInfo *get" << getUpperName() << "Type() const {\n";
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OS << " assert(!is" << getLowerName() << "Expr);\n";
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OS << " return " << getLowerName() << "Type;\n";
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OS << " }";
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}
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void writeAccessorDefinitions(raw_ostream &OS) const {
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OS << "bool " << getAttrName() << "Attr::is" << getUpperName()
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<< "Dependent() const {\n";
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OS << " if (is" << getLowerName() << "Expr)\n";
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OS << " return " << getLowerName() << "Expr && (" << getLowerName()
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<< "Expr->isValueDependent() || " << getLowerName()
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<< "Expr->isTypeDependent());\n";
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OS << " else\n";
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OS << " return " << getLowerName()
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<< "Type->getType()->isDependentType();\n";
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OS << "}\n";
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// FIXME: Do not do the calculation here
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// FIXME: Handle types correctly
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// A null pointer means maximum alignment
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// FIXME: Load the platform-specific maximum alignment, rather than
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// 16, the x86 max.
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OS << "unsigned " << getAttrName() << "Attr::get" << getUpperName()
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<< "(ASTContext &Ctx) const {\n";
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OS << " assert(!is" << getUpperName() << "Dependent());\n";
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OS << " if (is" << getLowerName() << "Expr)\n";
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OS << " return (" << getLowerName() << "Expr ? " << getLowerName()
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<< "Expr->EvaluateKnownConstInt(Ctx).getZExtValue() : 16)"
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<< "* Ctx.getCharWidth();\n";
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OS << " else\n";
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OS << " return 0; // FIXME\n";
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OS << "}\n";
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}
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void writeCloneArgs(raw_ostream &OS) const {
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OS << "is" << getLowerName() << "Expr, is" << getLowerName()
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<< "Expr ? static_cast<void*>(" << getLowerName()
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<< "Expr) : " << getLowerName()
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<< "Type";
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}
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void writeTemplateInstantiationArgs(raw_ostream &OS) const {
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// FIXME: move the definition in Sema::InstantiateAttrs to here.
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// In the meantime, aligned attributes are cloned.
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}
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void writeCtorBody(raw_ostream &OS) const {
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OS << " if (is" << getLowerName() << "Expr)\n";
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OS << " " << getLowerName() << "Expr = reinterpret_cast<Expr *>("
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<< getUpperName() << ");\n";
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OS << " else\n";
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OS << " " << getLowerName()
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<< "Type = reinterpret_cast<TypeSourceInfo *>(" << getUpperName()
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<< ");";
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}
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void writeCtorInitializers(raw_ostream &OS) const {
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OS << "is" << getLowerName() << "Expr(Is" << getUpperName() << "Expr)";
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}
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void writeCtorDefaultInitializers(raw_ostream &OS) const {
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OS << "is" << getLowerName() << "Expr(false)";
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}
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void writeCtorParameters(raw_ostream &OS) const {
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OS << "bool Is" << getUpperName() << "Expr, void *" << getUpperName();
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}
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void writeDeclarations(raw_ostream &OS) const {
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OS << "bool is" << getLowerName() << "Expr;\n";
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OS << "union {\n";
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OS << "Expr *" << getLowerName() << "Expr;\n";
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OS << "TypeSourceInfo *" << getLowerName() << "Type;\n";
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OS << "};";
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}
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void writePCHReadArgs(raw_ostream &OS) const {
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OS << "is" << getLowerName() << "Expr, " << getLowerName() << "Ptr";
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}
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void writePCHReadDecls(raw_ostream &OS) const {
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OS << " bool is" << getLowerName() << "Expr = Record[Idx++];\n";
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OS << " void *" << getLowerName() << "Ptr;\n";
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OS << " if (is" << getLowerName() << "Expr)\n";
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OS << " " << getLowerName() << "Ptr = ReadExpr(F);\n";
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OS << " else\n";
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OS << " " << getLowerName()
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<< "Ptr = GetTypeSourceInfo(F, Record, Idx);\n";
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}
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void writePCHWrite(raw_ostream &OS) const {
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OS << " Record.push_back(SA->is" << getUpperName() << "Expr());\n";
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OS << " if (SA->is" << getUpperName() << "Expr())\n";
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OS << " AddStmt(SA->get" << getUpperName() << "Expr());\n";
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OS << " else\n";
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OS << " AddTypeSourceInfo(SA->get" << getUpperName()
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<< "Type(), Record);\n";
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}
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void writeValue(raw_ostream &OS) const {
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OS << "\";\n"
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<< " " << getLowerName() << "Expr->printPretty(OS, 0, Policy);\n"
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<< " OS << \"";
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}
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void writeDump(raw_ostream &OS) const {
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}
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void writeDumpChildren(raw_ostream &OS) const {
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OS << " if (SA->is" << getUpperName() << "Expr()) {\n";
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OS << " lastChild();\n";
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OS << " dumpStmt(SA->get" << getUpperName() << "Expr());\n";
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OS << " } else\n";
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OS << " dumpType(SA->get" << getUpperName()
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<< "Type()->getType());\n";
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}
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void writeHasChildren(raw_ostream &OS) const {
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OS << "SA->is" << getUpperName() << "Expr()";
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}
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};
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class VariadicArgument : public Argument {
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std::string type;
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public:
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VariadicArgument(Record &Arg, StringRef Attr, std::string T)
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: Argument(Arg, Attr), type(T)
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{}
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std::string getType() const { return type; }
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void writeAccessors(raw_ostream &OS) const {
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OS << " typedef " << type << "* " << getLowerName() << "_iterator;\n";
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OS << " " << getLowerName() << "_iterator " << getLowerName()
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<< "_begin() const {\n";
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OS << " return " << getLowerName() << ";\n";
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OS << " }\n";
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OS << " " << getLowerName() << "_iterator " << getLowerName()
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<< "_end() const {\n";
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OS << " return " << getLowerName() << " + " << getLowerName()
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<< "Size;\n";
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OS << " }\n";
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OS << " unsigned " << getLowerName() << "_size() const {\n"
|
|
<< " return " << getLowerName() << "Size;\n";
|
|
OS << " }";
|
|
}
|
|
void writeCloneArgs(raw_ostream &OS) const {
|
|
OS << getLowerName() << ", " << getLowerName() << "Size";
|
|
}
|
|
void writeTemplateInstantiationArgs(raw_ostream &OS) const {
|
|
// This isn't elegant, but we have to go through public methods...
|
|
OS << "A->" << getLowerName() << "_begin(), "
|
|
<< "A->" << 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 writeCtorDefaultInitializers(raw_ostream &OS) const {
|
|
OS << getLowerName() << "Size(0), " << getLowerName() << "(0)";
|
|
}
|
|
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 << " 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)");
|
|
}
|
|
void writeValue(raw_ostream &OS) const {
|
|
OS << "\";\n";
|
|
OS << " bool isFirst = true;\n"
|
|
<< " for (" << getAttrName() << "Attr::" << getLowerName()
|
|
<< "_iterator i = " << getLowerName() << "_begin(), e = "
|
|
<< getLowerName() << "_end(); i != e; ++i) {\n"
|
|
<< " if (isFirst) isFirst = false;\n"
|
|
<< " else OS << \", \";\n"
|
|
<< " OS << *i;\n"
|
|
<< " }\n";
|
|
OS << " OS << \"";
|
|
}
|
|
void writeDump(raw_ostream &OS) const {
|
|
OS << " for (" << getAttrName() << "Attr::" << getLowerName()
|
|
<< "_iterator I = SA->" << getLowerName() << "_begin(), E = SA->"
|
|
<< getLowerName() << "_end(); I != E; ++I)\n";
|
|
OS << " OS << \" \" << *I;\n";
|
|
}
|
|
};
|
|
|
|
class EnumArgument : public Argument {
|
|
std::string type;
|
|
std::vector<StringRef> values, enums, uniques;
|
|
public:
|
|
EnumArgument(Record &Arg, StringRef Attr)
|
|
: Argument(Arg, Attr), type(Arg.getValueAsString("Type")),
|
|
values(getValueAsListOfStrings(Arg, "Values")),
|
|
enums(getValueAsListOfStrings(Arg, "Enums")),
|
|
uniques(enums)
|
|
{
|
|
// Calculate the various enum values
|
|
std::sort(uniques.begin(), uniques.end());
|
|
uniques.erase(std::unique(uniques.begin(), uniques.end()), uniques.end());
|
|
// FIXME: Emit a proper error
|
|
assert(!uniques.empty());
|
|
}
|
|
|
|
bool isEnumArg() const { return true; }
|
|
|
|
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 writeTemplateInstantiationArgs(raw_ostream &OS) const {
|
|
OS << "A->get" << getUpperName() << "()";
|
|
}
|
|
void writeCtorInitializers(raw_ostream &OS) const {
|
|
OS << getLowerName() << "(" << getUpperName() << ")";
|
|
}
|
|
void writeCtorDefaultInitializers(raw_ostream &OS) const {
|
|
OS << getLowerName() << "(" << type << "(0))";
|
|
}
|
|
void writeCtorParameters(raw_ostream &OS) const {
|
|
OS << type << " " << getUpperName();
|
|
}
|
|
void writeDeclarations(raw_ostream &OS) const {
|
|
std::vector<StringRef>::const_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";
|
|
}
|
|
void writeValue(raw_ostream &OS) const {
|
|
OS << "\" << get" << getUpperName() << "() << \"";
|
|
}
|
|
void writeDump(raw_ostream &OS) const {
|
|
OS << " switch(SA->get" << getUpperName() << "()) {\n";
|
|
for (std::vector<StringRef>::const_iterator I = uniques.begin(),
|
|
E = uniques.end(); I != E; ++I) {
|
|
OS << " case " << getAttrName() << "Attr::" << *I << ":\n";
|
|
OS << " OS << \" " << *I << "\";\n";
|
|
OS << " break;\n";
|
|
}
|
|
OS << " }\n";
|
|
}
|
|
|
|
void writeConversion(raw_ostream &OS) const {
|
|
OS << " static bool ConvertStrTo" << type << "(StringRef Val, ";
|
|
OS << type << " &Out) {\n";
|
|
OS << " Optional<" << type << "> R = llvm::StringSwitch<Optional<";
|
|
OS << type << "> >(Val)\n";
|
|
for (size_t I = 0; I < enums.size(); ++I) {
|
|
OS << " .Case(\"" << values[I] << "\", ";
|
|
OS << getAttrName() << "Attr::" << enums[I] << ")\n";
|
|
}
|
|
OS << " .Default(Optional<" << type << ">());\n";
|
|
OS << " if (R) {\n";
|
|
OS << " Out = *R;\n return true;\n }\n";
|
|
OS << " return false;\n";
|
|
OS << " }\n";
|
|
}
|
|
};
|
|
|
|
class VariadicEnumArgument: public VariadicArgument {
|
|
std::string type, QualifiedTypeName;
|
|
std::vector<StringRef> values, enums, uniques;
|
|
public:
|
|
VariadicEnumArgument(Record &Arg, StringRef Attr)
|
|
: VariadicArgument(Arg, Attr, Arg.getValueAsString("Type")),
|
|
type(Arg.getValueAsString("Type")),
|
|
values(getValueAsListOfStrings(Arg, "Values")),
|
|
enums(getValueAsListOfStrings(Arg, "Enums")),
|
|
uniques(enums)
|
|
{
|
|
// Calculate the various enum values
|
|
std::sort(uniques.begin(), uniques.end());
|
|
uniques.erase(std::unique(uniques.begin(), uniques.end()), uniques.end());
|
|
|
|
QualifiedTypeName = getAttrName().str() + "Attr::" + type;
|
|
|
|
// FIXME: Emit a proper error
|
|
assert(!uniques.empty());
|
|
}
|
|
|
|
bool isVariadicEnumArg() const { return true; }
|
|
|
|
void writeDeclarations(raw_ostream &OS) const {
|
|
std::vector<StringRef>::const_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";
|
|
|
|
VariadicArgument::writeDeclarations(OS);
|
|
}
|
|
void writeDump(raw_ostream &OS) const {
|
|
OS << " for (" << getAttrName() << "Attr::" << getLowerName()
|
|
<< "_iterator I = SA->" << getLowerName() << "_begin(), E = SA->"
|
|
<< getLowerName() << "_end(); I != E; ++I) {\n";
|
|
OS << " switch(*I) {\n";
|
|
for (std::vector<StringRef>::const_iterator UI = uniques.begin(),
|
|
UE = uniques.end(); UI != UE; ++UI) {
|
|
OS << " case " << getAttrName() << "Attr::" << *UI << ":\n";
|
|
OS << " OS << \" " << *UI << "\";\n";
|
|
OS << " break;\n";
|
|
}
|
|
OS << " }\n";
|
|
OS << " }\n";
|
|
}
|
|
void writePCHReadDecls(raw_ostream &OS) const {
|
|
OS << " unsigned " << getLowerName() << "Size = Record[Idx++];\n";
|
|
OS << " SmallVector<" << QualifiedTypeName << ", 4> " << getLowerName()
|
|
<< ";\n";
|
|
OS << " " << getLowerName() << ".reserve(" << getLowerName()
|
|
<< "Size);\n";
|
|
OS << " for (unsigned i = " << getLowerName() << "Size; i; --i)\n";
|
|
OS << " " << getLowerName() << ".push_back(" << "static_cast<"
|
|
<< QualifiedTypeName << ">(Record[Idx++]));\n";
|
|
}
|
|
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(QualifiedTypeName, "(*i)");
|
|
}
|
|
void writeConversion(raw_ostream &OS) const {
|
|
OS << " static bool ConvertStrTo" << type << "(StringRef Val, ";
|
|
OS << type << " &Out) {\n";
|
|
OS << " Optional<" << type << "> R = llvm::StringSwitch<Optional<";
|
|
OS << type << "> >(Val)\n";
|
|
for (size_t I = 0; I < enums.size(); ++I) {
|
|
OS << " .Case(\"" << values[I] << "\", ";
|
|
OS << getAttrName() << "Attr::" << enums[I] << ")\n";
|
|
}
|
|
OS << " .Default(Optional<" << type << ">());\n";
|
|
OS << " if (R) {\n";
|
|
OS << " Out = *R;\n return true;\n }\n";
|
|
OS << " return false;\n";
|
|
OS << " }\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 writeTemplateInstantiationArgs(raw_ostream &OS) const {
|
|
OS << "A->get" << getUpperName() << "()";
|
|
}
|
|
void writeCtorBody(raw_ostream &OS) const {
|
|
}
|
|
void writeCtorInitializers(raw_ostream &OS) const {
|
|
OS << getLowerName() << "(" << getUpperName() << ")";
|
|
}
|
|
void writeCtorDefaultInitializers(raw_ostream &OS) const {
|
|
OS << getLowerName() << "()";
|
|
}
|
|
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";
|
|
}
|
|
void writeValue(raw_ostream &OS) const {
|
|
OS << getLowerName() << "=\" << get" << getUpperName() << "() << \"";
|
|
}
|
|
void writeDump(raw_ostream &OS) const {
|
|
OS << " OS << \" \" << SA->get" << getUpperName() << "();\n";
|
|
}
|
|
};
|
|
|
|
class ExprArgument : public SimpleArgument {
|
|
public:
|
|
ExprArgument(Record &Arg, StringRef Attr)
|
|
: SimpleArgument(Arg, Attr, "Expr *")
|
|
{}
|
|
|
|
void writeTemplateInstantiationArgs(raw_ostream &OS) const {
|
|
OS << "tempInst" << getUpperName();
|
|
}
|
|
|
|
void writeTemplateInstantiation(raw_ostream &OS) const {
|
|
OS << " " << getType() << " tempInst" << getUpperName() << ";\n";
|
|
OS << " {\n";
|
|
OS << " EnterExpressionEvaluationContext "
|
|
<< "Unevaluated(S, Sema::Unevaluated);\n";
|
|
OS << " ExprResult " << "Result = S.SubstExpr("
|
|
<< "A->get" << getUpperName() << "(), TemplateArgs);\n";
|
|
OS << " tempInst" << getUpperName() << " = "
|
|
<< "Result.takeAs<Expr>();\n";
|
|
OS << " }\n";
|
|
}
|
|
|
|
void writeDump(raw_ostream &OS) const {
|
|
}
|
|
|
|
void writeDumpChildren(raw_ostream &OS) const {
|
|
OS << " lastChild();\n";
|
|
OS << " dumpStmt(SA->get" << getUpperName() << "());\n";
|
|
}
|
|
void writeHasChildren(raw_ostream &OS) const { OS << "true"; }
|
|
};
|
|
|
|
class VariadicExprArgument : public VariadicArgument {
|
|
public:
|
|
VariadicExprArgument(Record &Arg, StringRef Attr)
|
|
: VariadicArgument(Arg, Attr, "Expr *")
|
|
{}
|
|
|
|
void writeTemplateInstantiationArgs(raw_ostream &OS) const {
|
|
OS << "tempInst" << getUpperName() << ", "
|
|
<< "A->" << getLowerName() << "_size()";
|
|
}
|
|
|
|
void writeTemplateInstantiation(raw_ostream &OS) const {
|
|
OS << " " << getType() << " *tempInst" << getUpperName()
|
|
<< " = new (C, 16) " << getType()
|
|
<< "[A->" << getLowerName() << "_size()];\n";
|
|
OS << " {\n";
|
|
OS << " EnterExpressionEvaluationContext "
|
|
<< "Unevaluated(S, Sema::Unevaluated);\n";
|
|
OS << " " << getType() << " *TI = tempInst" << getUpperName()
|
|
<< ";\n";
|
|
OS << " " << getType() << " *I = A->" << getLowerName()
|
|
<< "_begin();\n";
|
|
OS << " " << getType() << " *E = A->" << getLowerName()
|
|
<< "_end();\n";
|
|
OS << " for (; I != E; ++I, ++TI) {\n";
|
|
OS << " ExprResult Result = S.SubstExpr(*I, TemplateArgs);\n";
|
|
OS << " *TI = Result.takeAs<Expr>();\n";
|
|
OS << " }\n";
|
|
OS << " }\n";
|
|
}
|
|
|
|
void writeDump(raw_ostream &OS) const {
|
|
}
|
|
|
|
void writeDumpChildren(raw_ostream &OS) const {
|
|
OS << " for (" << getAttrName() << "Attr::" << getLowerName()
|
|
<< "_iterator I = SA->" << getLowerName() << "_begin(), E = SA->"
|
|
<< getLowerName() << "_end(); I != E; ++I) {\n";
|
|
OS << " if (I + 1 == E)\n";
|
|
OS << " lastChild();\n";
|
|
OS << " dumpStmt(*I);\n";
|
|
OS << " }\n";
|
|
}
|
|
|
|
void writeHasChildren(raw_ostream &OS) const {
|
|
OS << "SA->" << getLowerName() << "_begin() != "
|
|
<< "SA->" << getLowerName() << "_end()";
|
|
}
|
|
};
|
|
|
|
class TypeArgument : public SimpleArgument {
|
|
public:
|
|
TypeArgument(Record &Arg, StringRef Attr)
|
|
: SimpleArgument(Arg, Attr, "TypeSourceInfo *")
|
|
{}
|
|
|
|
void writeAccessors(raw_ostream &OS) const {
|
|
OS << " QualType get" << getUpperName() << "() const {\n";
|
|
OS << " return " << getLowerName() << "->getType();\n";
|
|
OS << " }";
|
|
OS << " " << getType() << " get" << getUpperName() << "Loc() const {\n";
|
|
OS << " return " << getLowerName() << ";\n";
|
|
OS << " }";
|
|
}
|
|
void writeTemplateInstantiationArgs(raw_ostream &OS) const {
|
|
OS << "A->get" << getUpperName() << "Loc()";
|
|
}
|
|
void writePCHWrite(raw_ostream &OS) const {
|
|
OS << " " << WritePCHRecord(
|
|
getType(), "SA->get" + std::string(getUpperName()) + "Loc()");
|
|
}
|
|
};
|
|
}
|
|
|
|
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 ExprArgument(Arg, Attr);
|
|
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 TypeArgument(Arg, Attr);
|
|
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 == "VariadicEnumArgument")
|
|
Ptr = new VariadicEnumArgument(Arg, Attr);
|
|
else if (ArgName == "VariadicExprArgument")
|
|
Ptr = new VariadicExprArgument(Arg, Attr);
|
|
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;
|
|
}
|
|
}
|
|
|
|
if (Ptr && Arg.getValueAsBit("Optional"))
|
|
Ptr->setOptional(true);
|
|
|
|
return Ptr;
|
|
}
|
|
|
|
static void writeAvailabilityValue(raw_ostream &OS) {
|
|
OS << "\" << getPlatform()->getName();\n"
|
|
<< " if (!getIntroduced().empty()) OS << \", introduced=\" << getIntroduced();\n"
|
|
<< " if (!getDeprecated().empty()) OS << \", deprecated=\" << getDeprecated();\n"
|
|
<< " if (!getObsoleted().empty()) OS << \", obsoleted=\" << getObsoleted();\n"
|
|
<< " if (getUnavailable()) OS << \", unavailable\";\n"
|
|
<< " OS << \"";
|
|
}
|
|
|
|
static void writePrettyPrintFunction(Record &R, std::vector<Argument*> &Args,
|
|
raw_ostream &OS) {
|
|
std::vector<Record*> Spellings = R.getValueAsListOfDefs("Spellings");
|
|
|
|
OS << "void " << R.getName() << "Attr::printPretty("
|
|
<< "raw_ostream &OS, const PrintingPolicy &Policy) const {\n";
|
|
|
|
if (Spellings.size() == 0) {
|
|
OS << "}\n\n";
|
|
return;
|
|
}
|
|
|
|
OS <<
|
|
" switch (SpellingListIndex) {\n"
|
|
" default:\n"
|
|
" llvm_unreachable(\"Unknown attribute spelling!\");\n"
|
|
" break;\n";
|
|
|
|
for (unsigned I = 0; I < Spellings.size(); ++ I) {
|
|
llvm::SmallString<16> Prefix;
|
|
llvm::SmallString<8> Suffix;
|
|
// The actual spelling of the name and namespace (if applicable)
|
|
// of an attribute without considering prefix and suffix.
|
|
llvm::SmallString<64> Spelling;
|
|
std::string Name = Spellings[I]->getValueAsString("Name");
|
|
std::string Variety = Spellings[I]->getValueAsString("Variety");
|
|
|
|
if (Variety == "GNU") {
|
|
Prefix = " __attribute__((";
|
|
Suffix = "))";
|
|
} else if (Variety == "CXX11") {
|
|
Prefix = " [[";
|
|
Suffix = "]]";
|
|
std::string Namespace = Spellings[I]->getValueAsString("Namespace");
|
|
if (Namespace != "") {
|
|
Spelling += Namespace;
|
|
Spelling += "::";
|
|
}
|
|
} else if (Variety == "Declspec") {
|
|
Prefix = " __declspec(";
|
|
Suffix = ")";
|
|
} else if (Variety == "Keyword") {
|
|
Prefix = " ";
|
|
Suffix = "";
|
|
} else {
|
|
llvm_unreachable("Unknown attribute syntax variety!");
|
|
}
|
|
|
|
Spelling += Name;
|
|
|
|
OS <<
|
|
" case " << I << " : {\n"
|
|
" OS << \"" + Prefix.str() + Spelling.str();
|
|
|
|
if (Args.size()) OS << "(";
|
|
if (Spelling == "availability") {
|
|
writeAvailabilityValue(OS);
|
|
} else {
|
|
for (std::vector<Argument*>::const_iterator I = Args.begin(),
|
|
E = Args.end(); I != E; ++ I) {
|
|
if (I != Args.begin()) OS << ", ";
|
|
(*I)->writeValue(OS);
|
|
}
|
|
}
|
|
|
|
if (Args.size()) OS << ")";
|
|
OS << Suffix.str() + "\";\n";
|
|
|
|
OS <<
|
|
" break;\n"
|
|
" }\n";
|
|
}
|
|
|
|
// End of the switch statement.
|
|
OS << "}\n";
|
|
// End of the print function.
|
|
OS << "}\n\n";
|
|
}
|
|
|
|
/// \brief Return the index of a spelling in a spelling list.
|
|
static unsigned getSpellingListIndex(const std::vector<Record*> &SpellingList,
|
|
const Record &Spelling) {
|
|
assert(SpellingList.size() && "Spelling list is empty!");
|
|
|
|
for (unsigned Index = 0; Index < SpellingList.size(); ++Index) {
|
|
Record *S = SpellingList[Index];
|
|
if (S->getValueAsString("Variety") != Spelling.getValueAsString("Variety"))
|
|
continue;
|
|
if (S->getValueAsString("Variety") == "CXX11" &&
|
|
S->getValueAsString("Namespace") !=
|
|
Spelling.getValueAsString("Namespace"))
|
|
continue;
|
|
if (S->getValueAsString("Name") != Spelling.getValueAsString("Name"))
|
|
continue;
|
|
|
|
return Index;
|
|
}
|
|
|
|
llvm_unreachable("Unknown spelling!");
|
|
}
|
|
|
|
static void writeAttrAccessorDefinition(Record &R, raw_ostream &OS) {
|
|
std::vector<Record*> Accessors = R.getValueAsListOfDefs("Accessors");
|
|
for (std::vector<Record*>::const_iterator I = Accessors.begin(),
|
|
E = Accessors.end(); I != E; ++I) {
|
|
Record *Accessor = *I;
|
|
std::string Name = Accessor->getValueAsString("Name");
|
|
std::vector<Record*> Spellings = Accessor->getValueAsListOfDefs(
|
|
"Spellings");
|
|
std::vector<Record*> SpellingList = R.getValueAsListOfDefs("Spellings");
|
|
assert(SpellingList.size() &&
|
|
"Attribute with empty spelling list can't have accessors!");
|
|
|
|
OS << " bool " << Name << "() const { return SpellingListIndex == ";
|
|
for (unsigned Index = 0; Index < Spellings.size(); ++Index) {
|
|
OS << getSpellingListIndex(SpellingList, *Spellings[Index]);
|
|
if (Index != Spellings.size() -1)
|
|
OS << " ||\n SpellingListIndex == ";
|
|
else
|
|
OS << "; }\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
namespace clang {
|
|
|
|
// Emits the class definitions for attributes.
|
|
void EmitClangAttrClass(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("Attribute classes' definitions", OS);
|
|
|
|
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;
|
|
|
|
if (!R.getValueAsBit("ASTNode"))
|
|
continue;
|
|
|
|
const std::vector<Record *> Supers = R.getSuperClasses();
|
|
assert(!Supers.empty() && "Forgot to specify a superclass for the attr");
|
|
std::string SuperName;
|
|
for (std::vector<Record *>::const_reverse_iterator I = Supers.rbegin(),
|
|
E = Supers.rend(); I != E; ++I) {
|
|
const Record &R = **I;
|
|
if (R.getName() != "TargetSpecificAttr" && SuperName.empty())
|
|
SuperName = R.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";
|
|
|
|
bool HasOpt = false;
|
|
for (ai = Args.begin(); ai != ae; ++ai) {
|
|
OS << " , ";
|
|
(*ai)->writeCtorParameters(OS);
|
|
OS << "\n";
|
|
if ((*ai)->isOptional())
|
|
HasOpt = true;
|
|
}
|
|
|
|
OS << " , ";
|
|
OS << "unsigned SI = 0\n";
|
|
|
|
OS << " )\n";
|
|
OS << " : " << SuperName << "(attr::" << R.getName() << ", R, SI)\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";
|
|
|
|
// If there are optional arguments, write out a constructor that elides the
|
|
// optional arguments as well.
|
|
if (HasOpt) {
|
|
OS << " " << R.getName() << "Attr(SourceRange R, ASTContext &Ctx\n";
|
|
for (ai = Args.begin(); ai != ae; ++ai) {
|
|
if (!(*ai)->isOptional()) {
|
|
OS << " , ";
|
|
(*ai)->writeCtorParameters(OS);
|
|
OS << "\n";
|
|
}
|
|
}
|
|
|
|
OS << " , ";
|
|
OS << "unsigned SI = 0\n";
|
|
|
|
OS << " )\n";
|
|
OS << " : " << SuperName << "(attr::" << R.getName() << ", R, SI)\n";
|
|
|
|
for (ai = Args.begin(); ai != ae; ++ai) {
|
|
OS << " , ";
|
|
(*ai)->writeCtorDefaultInitializers(OS);
|
|
OS << "\n";
|
|
}
|
|
|
|
OS << " {\n";
|
|
|
|
for (ai = Args.begin(); ai != ae; ++ai) {
|
|
if (!(*ai)->isOptional()) {
|
|
(*ai)->writeCtorBody(OS);
|
|
OS << "\n";
|
|
}
|
|
}
|
|
OS << " }\n\n";
|
|
}
|
|
|
|
OS << " virtual " << R.getName() << "Attr *clone (ASTContext &C) const;\n";
|
|
OS << " virtual void printPretty(raw_ostream &OS,\n"
|
|
<< " const PrintingPolicy &Policy) const;\n";
|
|
|
|
writeAttrAccessorDefinition(R, OS);
|
|
|
|
for (ai = Args.begin(); ai != ae; ++ai) {
|
|
(*ai)->writeAccessors(OS);
|
|
OS << "\n\n";
|
|
|
|
if ((*ai)->isEnumArg()) {
|
|
EnumArgument *EA = (EnumArgument *)*ai;
|
|
EA->writeConversion(OS);
|
|
} else if ((*ai)->isVariadicEnumArg()) {
|
|
VariadicEnumArgument *VEA = (VariadicEnumArgument *)*ai;
|
|
VEA->writeConversion(OS);
|
|
}
|
|
}
|
|
|
|
OS << R.getValueAsString("AdditionalMembers");
|
|
OS << "\n\n";
|
|
|
|
OS << " static bool classof(const Attr *A) { return A->getKind() == "
|
|
<< "attr::" << R.getName() << "; }\n";
|
|
|
|
bool LateParsed = R.getValueAsBit("LateParsed");
|
|
OS << " virtual bool isLateParsed() const { return "
|
|
<< LateParsed << "; }\n";
|
|
|
|
OS << "};\n\n";
|
|
}
|
|
|
|
OS << "#endif\n";
|
|
}
|
|
|
|
static bool isIdentifierArgument(Record *Arg) {
|
|
return !Arg->getSuperClasses().empty() &&
|
|
llvm::StringSwitch<bool>(Arg->getSuperClasses().back()->getName())
|
|
.Case("IdentifierArgument", true)
|
|
.Case("EnumArgument", true)
|
|
.Default(false);
|
|
}
|
|
|
|
/// \brief Emits the first-argument-is-type property for attributes.
|
|
void EmitClangAttrTypeArgList(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("llvm::StringSwitch code to match attributes with a "
|
|
"type argument", OS);
|
|
|
|
std::vector<Record *> Attrs = Records.getAllDerivedDefinitions("Attr");
|
|
|
|
for (std::vector<Record *>::iterator I = Attrs.begin(), E = Attrs.end();
|
|
I != E; ++I) {
|
|
Record &Attr = **I;
|
|
|
|
// Determine whether the first argument is a type.
|
|
std::vector<Record *> Args = Attr.getValueAsListOfDefs("Args");
|
|
if (Args.empty())
|
|
continue;
|
|
|
|
if (Args[0]->getSuperClasses().back()->getName() != "TypeArgument")
|
|
continue;
|
|
|
|
// All these spellings take a single type argument.
|
|
std::vector<Record*> Spellings = Attr.getValueAsListOfDefs("Spellings");
|
|
std::set<std::string> Emitted;
|
|
for (std::vector<Record*>::const_iterator I = Spellings.begin(),
|
|
E = Spellings.end(); I != E; ++I) {
|
|
if (Emitted.insert((*I)->getValueAsString("Name")).second)
|
|
OS << ".Case(\"" << (*I)->getValueAsString("Name") << "\", "
|
|
<< "true" << ")\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
// Emits the first-argument-is-identifier property for attributes.
|
|
void EmitClangAttrIdentifierArgList(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("llvm::StringSwitch code to match attributes with "
|
|
"an identifier argument", OS);
|
|
|
|
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
|
|
|
|
for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end();
|
|
I != E; ++I) {
|
|
Record &Attr = **I;
|
|
|
|
// Determine whether the first argument is an identifier.
|
|
std::vector<Record *> Args = Attr.getValueAsListOfDefs("Args");
|
|
if (Args.empty() || !isIdentifierArgument(Args[0]))
|
|
continue;
|
|
|
|
// All these spellings take an identifier argument.
|
|
std::vector<Record*> Spellings = Attr.getValueAsListOfDefs("Spellings");
|
|
std::set<std::string> Emitted;
|
|
for (std::vector<Record*>::const_iterator I = Spellings.begin(),
|
|
E = Spellings.end(); I != E; ++I) {
|
|
if (Emitted.insert((*I)->getValueAsString("Name")).second)
|
|
OS << ".Case(\"" << (*I)->getValueAsString("Name") << "\", "
|
|
<< "true" << ")\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
// Emits the class method definitions for attributes.
|
|
void EmitClangAttrImpl(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("Attribute classes' member function definitions", OS);
|
|
|
|
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;
|
|
|
|
if (!R.getValueAsBit("ASTNode"))
|
|
continue;
|
|
|
|
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 << ", getSpellingListIndex());\n}\n\n";
|
|
|
|
writePrettyPrintFunction(R, Args, OS);
|
|
}
|
|
}
|
|
|
|
} // end namespace clang
|
|
|
|
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) {
|
|
if (!(*i)->getValueAsBit("ASTNode"))
|
|
continue;
|
|
|
|
OS << Class << "(" << (*i)->getName() << ")\n";
|
|
}
|
|
|
|
OS << "LAST_" << Class << "(" << (*i)->getName() << ")\n\n";
|
|
}
|
|
}
|
|
|
|
namespace clang {
|
|
|
|
// Emits the enumeration list for attributes.
|
|
void EmitClangAttrList(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("List of all attributes that Clang recognizes", OS);
|
|
|
|
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";
|
|
|
|
OS << "#ifndef MS_INHERITANCE_ATTR\n";
|
|
OS << "#define MS_INHERITANCE_ATTR(NAME) INHERITABLE_ATTR(NAME)\n";
|
|
OS << "#endif\n\n";
|
|
|
|
OS << "#ifndef LAST_MS_INHERITANCE_ATTR\n";
|
|
OS << "#define LAST_MS_INHERITANCE_ATTR(NAME)"
|
|
" MS_INHERITANCE_ATTR(NAME)\n";
|
|
OS << "#endif\n\n";
|
|
|
|
Record *InhClass = Records.getClass("InheritableAttr");
|
|
Record *InhParamClass = Records.getClass("InheritableParamAttr");
|
|
Record *MSInheritanceClass = Records.getClass("MSInheritanceAttr");
|
|
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"),
|
|
NonInhAttrs, InhAttrs, InhParamAttrs, MSInhAttrs;
|
|
for (std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end();
|
|
i != e; ++i) {
|
|
if (!(*i)->getValueAsBit("ASTNode"))
|
|
continue;
|
|
|
|
if ((*i)->isSubClassOf(InhParamClass))
|
|
InhParamAttrs.push_back(*i);
|
|
else if ((*i)->isSubClassOf(MSInheritanceClass))
|
|
MSInhAttrs.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, "MS_INHERITANCE_ATTR", MSInhAttrs);
|
|
EmitAttrList(OS, "INHERITABLE_ATTR", InhAttrs);
|
|
EmitAttrList(OS, "ATTR", NonInhAttrs);
|
|
|
|
OS << "#undef LAST_ATTR\n";
|
|
OS << "#undef INHERITABLE_ATTR\n";
|
|
OS << "#undef MS_INHERITANCE_ATTR\n";
|
|
OS << "#undef LAST_INHERITABLE_ATTR\n";
|
|
OS << "#undef LAST_INHERITABLE_PARAM_ATTR\n";
|
|
OS << "#undef LAST_MS_INHERITANCE_ATTR\n";
|
|
OS << "#undef ATTR\n";
|
|
}
|
|
|
|
// Emits the code to read an attribute from a precompiled header.
|
|
void EmitClangAttrPCHRead(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("Attribute deserialization code", OS);
|
|
|
|
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;
|
|
if (!R.getValueAsBit("ASTNode"))
|
|
continue;
|
|
|
|
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";
|
|
}
|
|
|
|
// Emits the code to write an attribute to a precompiled header.
|
|
void EmitClangAttrPCHWrite(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("Attribute serialization code", 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;
|
|
if (!R.getValueAsBit("ASTNode"))
|
|
continue;
|
|
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";
|
|
}
|
|
|
|
// Emits the list of spellings for attributes.
|
|
void EmitClangAttrSpellingList(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("llvm::StringSwitch code to match all known attributes",
|
|
OS);
|
|
|
|
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<Record*> Spellings = Attr.getValueAsListOfDefs("Spellings");
|
|
|
|
for (std::vector<Record*>::const_iterator I = Spellings.begin(), E = Spellings.end(); I != E; ++I) {
|
|
OS << ".Case(\"" << (*I)->getValueAsString("Name") << "\", true)\n";
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void EmitClangAttrSpellingListIndex(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("Code to translate different attribute spellings "
|
|
"into internal identifiers", OS);
|
|
|
|
OS <<
|
|
" unsigned Index = 0;\n"
|
|
" switch (AttrKind) {\n"
|
|
" default:\n"
|
|
" llvm_unreachable(\"Unknown attribute kind!\");\n"
|
|
" break;\n";
|
|
|
|
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
|
|
for (std::vector<Record*>::const_iterator I = Attrs.begin(), E = Attrs.end();
|
|
I != E; ++I) {
|
|
Record &R = **I;
|
|
// We only care about attributes that participate in Sema checking, so
|
|
// skip those attributes that are not able to make their way to Sema.
|
|
if (!R.getValueAsBit("SemaHandler"))
|
|
continue;
|
|
|
|
std::vector<Record*> Spellings = R.getValueAsListOfDefs("Spellings");
|
|
// Each distinct spelling yields an attribute kind.
|
|
if (R.getValueAsBit("DistinctSpellings")) {
|
|
for (unsigned I = 0; I < Spellings.size(); ++ I) {
|
|
OS <<
|
|
" case AT_" << Spellings[I]->getValueAsString("Name") << ": \n"
|
|
" Index = " << I << ";\n"
|
|
" break;\n";
|
|
}
|
|
} else {
|
|
OS << " case AT_" << R.getName() << " : {\n";
|
|
for (unsigned I = 0; I < Spellings.size(); ++ I) {
|
|
SmallString<16> Namespace;
|
|
if (Spellings[I]->getValueAsString("Variety") == "CXX11")
|
|
Namespace = Spellings[I]->getValueAsString("Namespace");
|
|
else
|
|
Namespace = "";
|
|
|
|
OS << " if (Name == \""
|
|
<< Spellings[I]->getValueAsString("Name") << "\" && "
|
|
<< "SyntaxUsed == "
|
|
<< StringSwitch<unsigned>(Spellings[I]->getValueAsString("Variety"))
|
|
.Case("GNU", 0)
|
|
.Case("CXX11", 1)
|
|
.Case("Declspec", 2)
|
|
.Case("Keyword", 3)
|
|
.Default(0)
|
|
<< " && Scope == \"" << Namespace << "\")\n"
|
|
<< " return " << I << ";\n";
|
|
}
|
|
|
|
OS << " break;\n";
|
|
OS << " }\n";
|
|
}
|
|
}
|
|
|
|
OS << " }\n";
|
|
OS << " return Index;\n";
|
|
}
|
|
|
|
// Emits the LateParsed property for attributes.
|
|
void EmitClangAttrLateParsedList(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("llvm::StringSwitch code to match late parsed "
|
|
"attributes", OS);
|
|
|
|
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<Record*> Spellings =
|
|
Attr.getValueAsListOfDefs("Spellings");
|
|
|
|
// FIXME: Handle non-GNU attributes
|
|
for (std::vector<Record*>::const_iterator I = Spellings.begin(),
|
|
E = Spellings.end(); I != E; ++I) {
|
|
if ((*I)->getValueAsString("Variety") != "GNU")
|
|
continue;
|
|
OS << ".Case(\"" << (*I)->getValueAsString("Name") << "\", "
|
|
<< LateParsed << ")\n";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Emits code to instantiate dependent attributes on templates.
|
|
void EmitClangAttrTemplateInstantiate(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("Template instantiation code for attributes", OS);
|
|
|
|
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
|
|
|
|
OS << "namespace clang {\n"
|
|
<< "namespace sema {\n\n"
|
|
<< "Attr *instantiateTemplateAttribute(const Attr *At, ASTContext &C, "
|
|
<< "Sema &S,\n"
|
|
<< " const MultiLevelTemplateArgumentList &TemplateArgs) {\n"
|
|
<< " switch (At->getKind()) {\n"
|
|
<< " default:\n"
|
|
<< " break;\n";
|
|
|
|
for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end();
|
|
I != E; ++I) {
|
|
Record &R = **I;
|
|
if (!R.getValueAsBit("ASTNode"))
|
|
continue;
|
|
|
|
OS << " case attr::" << R.getName() << ": {\n";
|
|
bool ShouldClone = R.getValueAsBit("Clone");
|
|
|
|
if (!ShouldClone) {
|
|
OS << " return NULL;\n";
|
|
OS << " }\n";
|
|
continue;
|
|
}
|
|
|
|
OS << " const " << R.getName() << "Attr *A = cast<"
|
|
<< R.getName() << "Attr>(At);\n";
|
|
bool TDependent = R.getValueAsBit("TemplateDependent");
|
|
|
|
if (!TDependent) {
|
|
OS << " return A->clone(C);\n";
|
|
OS << " }\n";
|
|
continue;
|
|
}
|
|
|
|
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);
|
|
}
|
|
ae = Args.end();
|
|
|
|
for (ai = Args.begin(); ai != ae; ++ai) {
|
|
(*ai)->writeTemplateInstantiation(OS);
|
|
}
|
|
OS << " return new (C) " << R.getName() << "Attr(A->getLocation(), C";
|
|
for (ai = Args.begin(); ai != ae; ++ai) {
|
|
OS << ", ";
|
|
(*ai)->writeTemplateInstantiationArgs(OS);
|
|
}
|
|
OS << ");\n }\n";
|
|
}
|
|
OS << " } // end switch\n"
|
|
<< " llvm_unreachable(\"Unknown attribute!\");\n"
|
|
<< " return 0;\n"
|
|
<< "}\n\n"
|
|
<< "} // end namespace sema\n"
|
|
<< "} // end namespace clang\n";
|
|
}
|
|
|
|
typedef std::vector<std::pair<std::string, Record *> > ParsedAttrMap;
|
|
|
|
static ParsedAttrMap getParsedAttrList(const RecordKeeper &Records) {
|
|
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
|
|
ParsedAttrMap R;
|
|
for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end();
|
|
I != E; ++I) {
|
|
Record &Attr = **I;
|
|
|
|
bool SemaHandler = Attr.getValueAsBit("SemaHandler");
|
|
bool DistinctSpellings = Attr.getValueAsBit("DistinctSpellings");
|
|
|
|
if (SemaHandler) {
|
|
if (DistinctSpellings) {
|
|
std::vector<Record*> Spellings = Attr.getValueAsListOfDefs("Spellings");
|
|
|
|
for (std::vector<Record*>::const_iterator I = Spellings.begin(),
|
|
E = Spellings.end(); I != E; ++I) {
|
|
std::string AttrName = (*I)->getValueAsString("Name");
|
|
|
|
StringRef Spelling = NormalizeAttrName(AttrName);
|
|
R.push_back(std::make_pair(Spelling.str(), &Attr));
|
|
}
|
|
} else {
|
|
StringRef AttrName = Attr.getName();
|
|
AttrName = NormalizeAttrName(AttrName);
|
|
R.push_back(std::make_pair(AttrName.str(), *I));
|
|
}
|
|
}
|
|
}
|
|
return R;
|
|
}
|
|
|
|
// Emits the list of parsed attributes.
|
|
void EmitClangAttrParsedAttrList(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("List of all attributes that Clang recognizes", OS);
|
|
|
|
OS << "#ifndef PARSED_ATTR\n";
|
|
OS << "#define PARSED_ATTR(NAME) NAME\n";
|
|
OS << "#endif\n\n";
|
|
|
|
ParsedAttrMap Names = getParsedAttrList(Records);
|
|
for (ParsedAttrMap::iterator I = Names.begin(), E = Names.end(); I != E;
|
|
++I) {
|
|
OS << "PARSED_ATTR(" << I->first << ")\n";
|
|
}
|
|
}
|
|
|
|
static void emitArgInfo(const Record &R, raw_ostream &OS) {
|
|
// This function will count the number of arguments specified for the
|
|
// attribute and emit the number of required arguments followed by the
|
|
// number of optional arguments.
|
|
std::vector<Record *> Args = R.getValueAsListOfDefs("Args");
|
|
unsigned ArgCount = 0, OptCount = 0;
|
|
for (std::vector<Record *>::const_iterator I = Args.begin(), E = Args.end();
|
|
I != E; ++I) {
|
|
const Record &Arg = **I;
|
|
Arg.getValueAsBit("Optional") ? ++OptCount : ++ArgCount;
|
|
}
|
|
OS << ArgCount << ", " << OptCount;
|
|
}
|
|
|
|
/// Emits the parsed attribute helpers
|
|
void EmitClangAttrParsedAttrImpl(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("Parsed attribute helpers", OS);
|
|
|
|
ParsedAttrMap Attrs = getParsedAttrList(Records);
|
|
|
|
OS << "static const ParsedAttrInfo AttrInfoMap[AttributeList::UnknownAttribute + 1] = {\n";
|
|
for (ParsedAttrMap::iterator I = Attrs.begin(), E = Attrs.end(); I != E;
|
|
++I) {
|
|
// We need to generate struct instances based off ParsedAttrInfo from
|
|
// AttributeList.cpp.
|
|
OS << " { ";
|
|
emitArgInfo(*I->second, OS);
|
|
OS << ", " << I->second->getValueAsBit("HasCustomParsing");
|
|
OS << " }";
|
|
|
|
if (I + 1 != E)
|
|
OS << ",";
|
|
|
|
OS << " // AT_" << I->first << "\n";
|
|
}
|
|
OS << "};\n\n";
|
|
}
|
|
|
|
// Emits the kind list of parsed attributes
|
|
void EmitClangAttrParsedAttrKinds(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("Attribute name matcher", OS);
|
|
|
|
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
|
|
|
|
std::vector<StringMatcher::StringPair> Matches;
|
|
for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end();
|
|
I != E; ++I) {
|
|
Record &Attr = **I;
|
|
|
|
bool SemaHandler = Attr.getValueAsBit("SemaHandler");
|
|
bool Ignored = Attr.getValueAsBit("Ignored");
|
|
bool DistinctSpellings = Attr.getValueAsBit("DistinctSpellings");
|
|
if (SemaHandler || Ignored) {
|
|
std::vector<Record*> Spellings = Attr.getValueAsListOfDefs("Spellings");
|
|
|
|
for (std::vector<Record*>::const_iterator I = Spellings.begin(),
|
|
E = Spellings.end(); I != E; ++I) {
|
|
std::string RawSpelling = (*I)->getValueAsString("Name");
|
|
StringRef AttrName = NormalizeAttrName(DistinctSpellings
|
|
? StringRef(RawSpelling)
|
|
: StringRef(Attr.getName()));
|
|
|
|
SmallString<64> Spelling;
|
|
if ((*I)->getValueAsString("Variety") == "CXX11") {
|
|
Spelling += (*I)->getValueAsString("Namespace");
|
|
Spelling += "::";
|
|
}
|
|
Spelling += NormalizeAttrSpelling(RawSpelling);
|
|
|
|
if (SemaHandler)
|
|
Matches.push_back(
|
|
StringMatcher::StringPair(
|
|
StringRef(Spelling),
|
|
"return AttributeList::AT_" + AttrName.str() + ";"));
|
|
else
|
|
Matches.push_back(
|
|
StringMatcher::StringPair(
|
|
StringRef(Spelling),
|
|
"return AttributeList::IgnoredAttribute;"));
|
|
}
|
|
}
|
|
}
|
|
|
|
OS << "static AttributeList::Kind getAttrKind(StringRef Name) {\n";
|
|
StringMatcher("Name", Matches, OS).Emit();
|
|
OS << "return AttributeList::UnknownAttribute;\n"
|
|
<< "}\n";
|
|
}
|
|
|
|
// Emits the code to dump an attribute.
|
|
void EmitClangAttrDump(RecordKeeper &Records, raw_ostream &OS) {
|
|
emitSourceFileHeader("Attribute dumper", OS);
|
|
|
|
OS <<
|
|
" switch (A->getKind()) {\n"
|
|
" default:\n"
|
|
" llvm_unreachable(\"Unknown attribute kind!\");\n"
|
|
" break;\n";
|
|
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr"), Args;
|
|
for (std::vector<Record*>::iterator I = Attrs.begin(), E = Attrs.end();
|
|
I != E; ++I) {
|
|
Record &R = **I;
|
|
if (!R.getValueAsBit("ASTNode"))
|
|
continue;
|
|
OS << " case attr::" << R.getName() << ": {\n";
|
|
Args = R.getValueAsListOfDefs("Args");
|
|
if (!Args.empty()) {
|
|
OS << " const " << R.getName() << "Attr *SA = cast<" << R.getName()
|
|
<< "Attr>(A);\n";
|
|
for (std::vector<Record*>::iterator I = Args.begin(), E = Args.end();
|
|
I != E; ++I)
|
|
createArgument(**I, R.getName())->writeDump(OS);
|
|
|
|
// Code for detecting the last child.
|
|
OS << " bool OldMoreChildren = hasMoreChildren();\n";
|
|
OS << " bool MoreChildren = OldMoreChildren;\n";
|
|
|
|
for (std::vector<Record*>::iterator I = Args.begin(), E = Args.end();
|
|
I != E; ++I) {
|
|
// More code for detecting the last child.
|
|
OS << " MoreChildren = OldMoreChildren";
|
|
for (std::vector<Record*>::iterator Next = I + 1; Next != E; ++Next) {
|
|
OS << " || ";
|
|
createArgument(**Next, R.getName())->writeHasChildren(OS);
|
|
}
|
|
OS << ";\n";
|
|
OS << " setMoreChildren(MoreChildren);\n";
|
|
|
|
createArgument(**I, R.getName())->writeDumpChildren(OS);
|
|
}
|
|
|
|
// Reset the last child.
|
|
OS << " setMoreChildren(OldMoreChildren);\n";
|
|
}
|
|
OS <<
|
|
" break;\n"
|
|
" }\n";
|
|
}
|
|
OS << " }\n";
|
|
}
|
|
|
|
} // end namespace clang
|