Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/lib/Support/FormattedStream.cpp

@@ -1,108 +0,0 @@
-//===-- llvm/Support/FormattedStream.cpp - Formatted streams ----*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file contains the implementation of formatted_raw_ostream.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/FormattedStream.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/raw_ostream.h"
-#include <algorithm>
-
-using namespace llvm;
-
-/// UpdatePosition - Examine the given char sequence and figure out which
-/// column we end up in after output, and how many line breaks are contained.
-///
-static void UpdatePosition(std::pair<unsigned, unsigned> &Position, const char *Ptr, size_t Size) {
-  unsigned &Column = Position.first;
-  unsigned &Line = Position.second;
-
-  // Keep track of the current column and line by scanning the string for
-  // special characters
-  for (const char *End = Ptr + Size; Ptr != End; ++Ptr) {
-    ++Column;
-    switch (*Ptr) {
-    case '\n':
-      Line += 1;
-      LLVM_FALLTHROUGH;
-    case '\r':
-      Column = 0;
-      break;
-    case '\t':
-      // Assumes tab stop = 8 characters.
-      Column += (8 - (Column & 0x7)) & 0x7;
-      break;
-    }
-  }
-}
-
-/// ComputePosition - Examine the current output and update line and column
-/// counts.
-void formatted_raw_ostream::ComputePosition(const char *Ptr, size_t Size) {
-  // If our previous scan pointer is inside the buffer, assume we already
-  // scanned those bytes. This depends on raw_ostream to not change our buffer
-  // in unexpected ways.
-  if (Ptr <= Scanned && Scanned <= Ptr + Size)
-    // Scan all characters added since our last scan to determine the new
-    // column.
-    UpdatePosition(Position, Scanned, Size - (Scanned - Ptr));
-  else
-    UpdatePosition(Position, Ptr, Size);
-
-  // Update the scanning pointer.
-  Scanned = Ptr + Size;
-}
-
-/// PadToColumn - Align the output to some column number.
-///
-/// \param NewCol - The column to move to.
-///
-formatted_raw_ostream &formatted_raw_ostream::PadToColumn(unsigned NewCol) { 
-  // Figure out what's in the buffer and add it to the column count.
-  ComputePosition(getBufferStart(), GetNumBytesInBuffer());
-
-  // Output spaces until we reach the desired column.
-  indent(std::max(int(NewCol - getColumn()), 1));
-  return *this;
-}
-
-void formatted_raw_ostream::write_impl(const char *Ptr, size_t Size) {
-  // Figure out what's in the buffer and add it to the column count.
-  ComputePosition(Ptr, Size);
-
-  // Write the data to the underlying stream (which is unbuffered, so
-  // the data will be immediately written out).
-  TheStream->write(Ptr, Size);
-
-  // Reset the scanning pointer.
-  Scanned = nullptr;
-}
-
-/// fouts() - This returns a reference to a formatted_raw_ostream for
-/// standard output.  Use it like: fouts() << "foo" << "bar";
-formatted_raw_ostream &llvm::fouts() {
-  static formatted_raw_ostream S(outs());
-  return S;
-}
-
-/// ferrs() - This returns a reference to a formatted_raw_ostream for
-/// standard error.  Use it like: ferrs() << "foo" << "bar";
-formatted_raw_ostream &llvm::ferrs() {
-  static formatted_raw_ostream S(errs());
-  return S;
-}
-
-/// fdbgs() - This returns a reference to a formatted_raw_ostream for
-/// the debug stream.  Use it like: fdbgs() << "foo" << "bar";
-formatted_raw_ostream &llvm::fdbgs() {
-  static formatted_raw_ostream S(dbgs());
-  return S;
-}