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38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
//===- TableGenBackend.cpp - Utilities for TableGen Backends ----*- 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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// This file provides useful services for TableGen backends...
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/Twine.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/TableGen/TableGenBackend.h"
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using namespace llvm;
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static void printLine(raw_ostream &OS, const Twine &Prefix, char Fill,
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StringRef Suffix) {
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uint64_t Pos = OS.tell();
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OS << Prefix;
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for (unsigned i = OS.tell() - Pos, e = 80 - Suffix.size(); i != e; ++i)
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OS << Fill;
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OS << Suffix << '\n';
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}
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void llvm::emitSourceFileHeader(StringRef Desc, raw_ostream &OS) {
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printLine(OS, "/*===- TableGen'erated file ", '-', "*- C++ -*-===*\\");
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printLine(OS, "|*", ' ', "*|");
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printLine(OS, "|* " + Desc, ' ', "*|");
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printLine(OS, "|*", ' ', "*|");
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printLine(OS, "|* Automatically generated file, do not edit!", ' ', "*|");
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printLine(OS, "|*", ' ', "*|");
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printLine(OS, "\\*===", '-', "===*/");
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OS << '\n';
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}
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