kc3-lang/angle/src/compiler/preprocessor/DiagnosticsBase.h

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• Author : Jamie Madill
  Date : 2016-07-21 18:15:34
  Hash : 461e3af8
  Message : preprocessor: Fix negative shift with bad ids. Fix this by producing an error on undefined or negative shifts. BUG=629518 Change-Id: Idfca5ed3fc8e557f6178408f3426a5ef2ce7cf14 Reviewed-on: https://chromium-review.googlesource.com/362020 Reviewed-by: Antoine Labour <piman@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

• src/compiler/preprocessor/DiagnosticsBase.h

• //
  // Copyright (c) 2012 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.
  //
  
  #ifndef COMPILER_PREPROCESSOR_DIAGNOSTICSBASE_H_
  #define COMPILER_PREPROCESSOR_DIAGNOSTICSBASE_H_
  
  #include <string>
  
  namespace pp
  {
  
  struct SourceLocation;
  
  // Base class for reporting diagnostic messages.
  // Derived classes are responsible for formatting and printing the messages.
  class Diagnostics
  {
    public:
      enum Severity
      {
          PP_ERROR,
          PP_WARNING
      };
      enum ID
      {
          PP_ERROR_BEGIN,
          PP_INTERNAL_ERROR,
          PP_OUT_OF_MEMORY,
          PP_INVALID_CHARACTER,
          PP_INVALID_NUMBER,
          PP_INTEGER_OVERFLOW,
          PP_FLOAT_OVERFLOW,
          PP_TOKEN_TOO_LONG,
          PP_INVALID_EXPRESSION,
          PP_DIVISION_BY_ZERO,
          PP_EOF_IN_COMMENT,
          PP_UNEXPECTED_TOKEN,
          PP_DIRECTIVE_INVALID_NAME,
          PP_MACRO_NAME_RESERVED,
          PP_MACRO_REDEFINED,
          PP_MACRO_PREDEFINED_REDEFINED,
          PP_MACRO_PREDEFINED_UNDEFINED,
          PP_MACRO_UNTERMINATED_INVOCATION,
          PP_MACRO_TOO_FEW_ARGS,
          PP_MACRO_TOO_MANY_ARGS,
          PP_MACRO_DUPLICATE_PARAMETER_NAMES,
          PP_CONDITIONAL_ENDIF_WITHOUT_IF,
          PP_CONDITIONAL_ELSE_WITHOUT_IF,
          PP_CONDITIONAL_ELSE_AFTER_ELSE,
          PP_CONDITIONAL_ELIF_WITHOUT_IF,
          PP_CONDITIONAL_ELIF_AFTER_ELSE,
          PP_CONDITIONAL_UNTERMINATED,
          PP_CONDITIONAL_UNEXPECTED_TOKEN,
          PP_INVALID_EXTENSION_NAME,
          PP_INVALID_EXTENSION_BEHAVIOR,
          PP_INVALID_EXTENSION_DIRECTIVE,
          PP_INVALID_VERSION_NUMBER,
          PP_INVALID_VERSION_DIRECTIVE,
          PP_VERSION_NOT_FIRST_STATEMENT,
          PP_VERSION_NOT_FIRST_LINE_ESSL3,
          PP_INVALID_LINE_NUMBER,
          PP_INVALID_FILE_NUMBER,
          PP_INVALID_LINE_DIRECTIVE,
          PP_NON_PP_TOKEN_BEFORE_EXTENSION_ESSL3,
          PP_UNDEFINED_SHIFT,
          PP_ERROR_END,
  
          PP_WARNING_BEGIN,
          PP_EOF_IN_DIRECTIVE,
          PP_UNRECOGNIZED_PRAGMA,
          PP_NON_PP_TOKEN_BEFORE_EXTENSION_ESSL1,
          PP_WARNING_MACRO_NAME_RESERVED,
          PP_WARNING_END
      };
  
      virtual ~Diagnostics();
  
      void report(ID id, const SourceLocation &loc, const std::string &text);
  
    protected:
      Severity severity(ID id);
      std::string message(ID id);
  
      virtual void print(ID id,
                         const SourceLocation &loc,
                         const std::string &text) = 0;
  };
  
  }  // namespace pp
  
  #endif  // COMPILER_PREPROCESSOR_DIAGNOSTICSBASE_H_