kc3-lang/angle/src/compiler/translator/Diagnostics.cpp

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• Hash : 1cc598f8
  Author :
  Date : 2016-08-18T13:50:30
  

  Add error and warning helpers to Diagnostics
  
  This will make it easier to generate errors and warnings with a
  consistent format outside of ParseContext, for example in
  TIntermBinary::fold() which warns about division by zero.
  
  BUG=angleproject:952
  TEST=angle_unittests
  
  Change-Id: I25999d7bdc77efafe77785a0d6f4d63417dfaab9
  Reviewed-on: https://chromium-review.googlesource.com/372719
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
  

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• src/compiler/translator/Diagnostics.cpp

• //
  // Copyright (c) 2012-2013 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  #include "compiler/translator/Diagnostics.h"
  
  #include "common/debug.h"
  #include "compiler/preprocessor/SourceLocation.h"
  #include "compiler/translator/Common.h"
  #include "compiler/translator/InfoSink.h"
  
  TDiagnostics::TDiagnostics(TInfoSink& infoSink) :
      mInfoSink(infoSink),
      mNumErrors(0),
      mNumWarnings(0)
  {
  }
  
  TDiagnostics::~TDiagnostics()
  {
  }
  
  void TDiagnostics::writeInfo(Severity severity,
                               const pp::SourceLocation& loc,
                               const std::string& reason,
                               const std::string& token,
                               const std::string& extra)
  {
      TPrefixType prefix = EPrefixNone;
      switch (severity)
      {
        case PP_ERROR:
          ++mNumErrors;
          prefix = EPrefixError;
          break;
        case PP_WARNING:
          ++mNumWarnings;
          prefix = EPrefixWarning;
          break;
        default:
          UNREACHABLE();
          break;
      }
  
      TInfoSinkBase& sink = mInfoSink.info;
      /* VC++ format: file(linenum) : error #: 'token' : extrainfo */
      sink.prefix(prefix);
      sink.location(loc.file, loc.line);
      sink << "'" << token <<  "' : " << reason << " " << extra << "\n";
  }
  
  void TDiagnostics::error(const TSourceLoc &loc,
                           const char *reason,
                           const char *token,
                           const char *extraInfo)
  {
      pp::SourceLocation srcLoc;
      srcLoc.file = loc.first_file;
      srcLoc.line = loc.first_line;
      writeInfo(pp::Diagnostics::PP_ERROR, srcLoc, reason, token, extraInfo);
  }
  
  void TDiagnostics::warning(const TSourceLoc &loc,
                             const char *reason,
                             const char *token,
                             const char *extraInfo)
  {
      pp::SourceLocation srcLoc;
      srcLoc.file = loc.first_file;
      srcLoc.line = loc.first_line;
      writeInfo(pp::Diagnostics::PP_WARNING, srcLoc, reason, token, extraInfo);
  }
  
  void TDiagnostics::print(ID id,
                           const pp::SourceLocation& loc,
                           const std::string& text)
  {
      writeInfo(severity(id), loc, message(id), text, "");
  }
  

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