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85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
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//===- 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 "ClangAttrEmitter.h"
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#include "Record.h"
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#include <algorithm>
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using namespace llvm;
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void ClangAttrClassEmitter::run(raw_ostream &OS) {
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OS << "// This file is generated by TableGen. Do not edit.\n\n";
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OS << "#ifndef LLVM_CLANG_ATTR_CLASSES_INC\n";
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OS << "#define LLVM_CLANG_ATTR_CLASSES_INC\n\n";
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std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
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for (std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end();
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i != e; ++i) {
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Record &R = **i;
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if (R.getValueAsBit("DoNotEmit"))
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continue;
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OS << "class " << R.getName() << "Attr : public Attr {\n";
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std::vector<Record*> Args = R.getValueAsListOfDefs("Args");
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// FIXME: Handle arguments
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assert(Args.empty() && "Can't yet handle arguments");
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OS << "\n public:\n";
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OS << " " << R.getName() << "Attr(";
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// Arguments go here
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OS << ")\n";
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OS << " : Attr(attr::" << R.getName() << ")";
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// Arguments go here
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OS << " {}\n\n";
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OS << " virtual Attr *clone (ASTContext &C) const;\n";
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OS << " static bool classof(const Attr *A) { return A->getKind() == "
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<< "attr::" << R.getName() << "; }\n";
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OS << " static bool classof(const " << R.getName()
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<< "Attr *) { return true; }\n";
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OS << "};\n\n";
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}
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OS << "#endif\n";
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}
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void ClangAttrListEmitter::run(raw_ostream &OS) {
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OS << "// This file is generated by TableGen. Do not edit.\n\n";
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OS << "#ifndef LAST_ATTR\n";
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OS << "#define LAST_ATTR(NAME) ATTR(NAME)\n";
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OS << "#endif\n\n";
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std::vector<Record*> Attrs = Records.getAllDerivedDefinitions("Attr");
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std::vector<Record*>::iterator i = Attrs.begin(), e = Attrs.end();
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if (i != e) {
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// Move the end iterator back to emit the last attribute.
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for(--e; i != e; ++i)
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OS << "ATTR(" << (*i)->getName() << ")\n";
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OS << "LAST_ATTR(" << (*i)->getName() << ")\n\n";
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}
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OS << "#undef LAST_ATTR\n";
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OS << "#undef ATTR\n";
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}
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