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//===--- TextDiagnosticPrinter.cpp - Diagnostic Printer -------------------===//
//
// 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 diagnostic client prints out their diagnostic messages.
//
//===----------------------------------------------------------------------===//
#include "flang/Frontend/TextDiagnosticPrinter.h"
#include "flang/Frontend/TextDiagnostic.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
using namespace Fortran::frontend;
TextDiagnosticPrinter::TextDiagnosticPrinter(
raw_ostream &os, clang::DiagnosticOptions *diags)
: os_(os), diagOpts_(diags) {}
TextDiagnosticPrinter::~TextDiagnosticPrinter() {}
void TextDiagnosticPrinter::HandleDiagnostic(
clang::DiagnosticsEngine::Level level, const clang::Diagnostic &info) {
// Default implementation (Warnings/errors count).
DiagnosticConsumer::HandleDiagnostic(level, info);
// Render the diagnostic message into a temporary buffer eagerly. We'll use
// this later as we print out the diagnostic to the terminal.
llvm::SmallString<100> outStr;
info.FormatDiagnostic(outStr);
llvm::raw_svector_ostream DiagMessageStream(outStr);
if (!prefix_.empty())
os_ << prefix_ << ": ";
// We only emit diagnostics in contexts that lack valid source locations.
assert(!info.getLocation().isValid() &&
"Diagnostics with valid source location are not supported");
Fortran::frontend::TextDiagnostic::PrintDiagnosticLevel(
os_, level, diagOpts_->ShowColors);
Fortran::frontend::TextDiagnostic::PrintDiagnosticMessage(os_,
/*IsSupplemental=*/level == clang::DiagnosticsEngine::Note,
DiagMessageStream.str(), diagOpts_->ShowColors);
os_.flush();
return;
}
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