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//===- ClangAttrEmitter.cpp - Generate Clang attribute handling =-*- C++ -*--=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// These tablegen backends emit Clang attribute processing code
//
//===----------------------------------------------------------------------===//
#include "ClangAttrEmitter.h"
#include "Record.h"
#include <algorithm>
using namespace llvm;
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;
if (R.getValueAsBit("DoNotEmit"))
continue;
OS << "class " << R.getName() << "Attr : public Attr {\n";
std::vector<Record*> Args = R.getValueAsListOfDefs("Args");
// FIXME: Handle arguments
assert(Args.empty() && "Can't yet handle arguments");
OS << "\n public:\n";
OS << " " << R.getName() << "Attr(";
// Arguments go here
OS << ")\n";
OS << " : Attr(attr::" << R.getName() << ")";
// Arguments go here
OS << " {}\n\n";
OS << " virtual Attr *clone (ASTContext &C) const;\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 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";
std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end();
if (i != e) {
// Move the end iterator back to emit the last attribute.
for(--e; i != e; ++i)
OS << "ATTR(" << (*i)->getName() << ")\n";
OS << "LAST_ATTR(" << (*i)->getName() << ")\n\n";
}
OS << "#undef LAST_ATTR\n";
OS << "#undef ATTR\n";
}
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