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
diff --git a/lib/TableGen/TableGenBackend.cpp b/lib/TableGen/TableGenBackend.cpp
index 89d3f5e..7c8367a 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;
+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) {
- OS << "//===- TableGen'erated file -------------------------------------*-"
- " C++ -*-===//\n//\n// " << Desc << "\n//\n// Automatically generate"
- "d file, do not edit!\n//\n//===------------------------------------"
- "----------------------------------===//\n\n";
+ 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';
}