Files
swift-mirror/lib/Frontend/PrintingDiagnosticConsumer.cpp
Jordan Rose cb3ea09140 Undo the parts of r18941 that depends on LLVM changes.
...which I haven't actually committed yet.

Swift SVN r18945
2014-06-17 01:19:56 +00:00

104 lines
3.1 KiB
C++

//===- PrintingDiagnosticConsumer.cpp - Print Text Diagnostics ------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
// This file implements the PrintingDiagnosticConsumer class.
//
//===----------------------------------------------------------------------===//
#include "swift/Frontend/PrintingDiagnosticConsumer.h"
#include "swift/Basic/LLVM.h"
#include "swift/Basic/SourceManager.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/raw_ostream.h"
using namespace swift;
namespace {
class ColoredStream : public raw_ostream {
raw_ostream &Underlying;
public:
explicit ColoredStream(raw_ostream &underlying) : Underlying(underlying) {}
~ColoredStream() { flush(); }
raw_ostream &changeColor(Colors color, bool bold = false,
bool bg = false) override {
Underlying.changeColor(color, bold, bg);
return *this;
}
raw_ostream &resetColor() override {
Underlying.resetColor();
return *this;
}
raw_ostream &reverseColor() override {
Underlying.reverseColor();
return *this;
}
bool has_colors() const override {
return true;
}
void write_impl(const char *ptr, size_t size) override {
Underlying.write(ptr, size);
}
uint64_t current_pos() const override {
return Underlying.tell() - GetNumBytesInBuffer();
}
size_t preferred_buffer_size() const override {
return 0;
}
};
} // end anonymous namespace
llvm::SMLoc DiagnosticConsumer::getRawLoc(SourceLoc loc) {
return loc.Value;
}
void
PrintingDiagnosticConsumer::handleDiagnostic(SourceManager &SM, SourceLoc Loc,
DiagnosticKind Kind,
StringRef Text,
const DiagnosticInfo &Info) {
// Determine what kind of diagnostic we're emitting.
llvm::SourceMgr::DiagKind SMKind;
switch (Kind) {
case DiagnosticKind::Error:
SMKind = llvm::SourceMgr::DK_Error;
break;
case DiagnosticKind::Warning:
SMKind = llvm::SourceMgr::DK_Warning;
break;
case DiagnosticKind::Note:
SMKind = llvm::SourceMgr::DK_Note;
break;
}
// Translate ranges.
SmallVector<llvm::SMRange, 2> Ranges;
for (auto R : Info.Ranges)
Ranges.push_back(getRawRange(SM, R));
// Translate fix-its.
SmallVector<llvm::SMFixIt, 2> FixIts;
for (DiagnosticInfo::FixIt F : Info.FixIts)
FixIts.push_back(getRawFixIt(SM, F));
// Display the diagnostic.
ColoredStream coloredErrs{llvm::errs()};
raw_ostream &out = ForceColors ? coloredErrs : llvm::errs();
const llvm::SourceMgr &rawSM = SM.getLLVMSourceMgr();
rawSM.PrintMessage(out, getRawLoc(Loc), SMKind, Text, Ranges, FixIts);
}