From 90540ad7992d0ce490eb862543a58d040d7a2316 Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Tue, 19 Jun 2012 17:04:16 +0000 Subject: [PATCH] Emit TableGen's header comment with C-style comments, so it can be used from C89 code. Should silence warnings when compiling the X86 disassembler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158723 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/TableGen/TableGenBackend.cpp | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/lib/TableGen/TableGenBackend.cpp b/lib/TableGen/TableGenBackend.cpp index 89d3f5e81e7..7c8367ab9df 100644 --- a/lib/TableGen/TableGenBackend.cpp +++ b/lib/TableGen/TableGenBackend.cpp @@ -11,13 +11,27 @@ // //===----------------------------------------------------------------------===// +#include "llvm/ADT/Twine.h" #include "llvm/Support/raw_ostream.h" #include "llvm/TableGen/TableGenBackend.h" using namespace llvm; -void llvm::emitSourceFileHeader(StringRef Desc, raw_ostream &OS) { - OS << "//===- TableGen'erated file -------------------------------------*-" - " C++ -*-===//\n//\n// " << Desc << "\n//\n// Automatically generate" - "d file, do not edit!\n//\n//===------------------------------------" - "----------------------------------===//\n\n"; +static void printLine(raw_ostream &OS, const Twine &Prefix, char Fill, + StringRef Suffix) { + uint64_t Pos = OS.tell(); + OS << Prefix; + for (unsigned i = OS.tell() - Pos, e = 80 - Suffix.size(); i != e; ++i) + OS << Fill; + OS << Suffix << '\n'; +} + +void llvm::emitSourceFileHeader(StringRef Desc, raw_ostream &OS) { + printLine(OS, "/*===- TableGen'erated file ", '-', "*- C++ -*-===*\\"); + printLine(OS, "|*", ' ', "*|"); + printLine(OS, "|* " + Desc, ' ', "*|"); + printLine(OS, "|*", ' ', "*|"); + printLine(OS, "|* Automatically generated file, do not edit!", ' ', "*|"); + printLine(OS, "|*", ' ', "*|"); + printLine(OS, "\\*===", '-', "===*/"); + OS << '\n'; }