summaryrefslogtreecommitdiff
path: root/contrib/llvm/lib/Support/FormattedStream.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm/lib/Support/FormattedStream.cpp')
-rw-r--r--contrib/llvm/lib/Support/FormattedStream.cpp107
1 files changed, 0 insertions, 107 deletions
diff --git a/contrib/llvm/lib/Support/FormattedStream.cpp b/contrib/llvm/lib/Support/FormattedStream.cpp
deleted file mode 100644
index 4eb747038bb9..000000000000
--- a/contrib/llvm/lib/Support/FormattedStream.cpp
+++ /dev/null
@@ -1,107 +0,0 @@
-//===-- llvm/Support/FormattedStream.cpp - Formatted streams ----*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-//
-// 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;
-}