1                 : /*
       2                 :  * Copyright (c) 2012 The Native Client Authors. All rights reserved.
       3                 :  * Use of this source code is governed by a BSD-style license that can be
       4                 :  * found in the LICENSE file.
       5                 :  */
       6                 : 
       7                 : #ifndef NATIVE_CLIENT_SOURCE_TRUSTED_VALIDATOR_ARM_PROBLEM_REPORTER_H_
       8                 : #define NATIVE_CLIENT_SOURCE_TRUSTED_VALIDATOR_ARM_PROBLEM_REPORTER_H_
       9                 : 
      10                 : // Problem reporter utility that converts reported problems into C
      11                 : // strings.
      12                 : 
      13                 : #include "native_client/src/trusted/validator_arm/validator.h"
      14                 : 
      15                 : namespace nacl_arm_val {
      16                 : 
      17                 : // ProblemSink that converts the (internal) user data into a string
      18                 : // error message, which is then processed using the (derived) method
      19                 : // ReportProblemMessage.
      20                 : class ProblemReporter : public ProblemSink {
      21                 :  public:
      22               0 :   ProblemReporter() {}
      23               0 :   virtual ~ProblemReporter() {}
      24                 : 
      25                 :   // The following override inherited virtuals.
      26                 :   virtual void ReportProblemDiagnostic(nacl_arm_dec::Violation violation,
      27                 :                                        uint32_t vaddr,
      28                 :                                        const char* format, ...)
      29                 :                // Note: format is the 4th argument because of implicit this.
      30                 :                ATTRIBUTE_FORMAT_PRINTF(4, 5);
      31                 : 
      32                 :  protected:
      33                 :   // Virtual called once the diagnostic message of ReportProblemDiagnostic,
      34                 :   // or ReportProblemInternal, has been generated.
      35                 :   virtual void ReportProblemMessage(nacl_arm_dec::Violation violation,
      36                 :                                     uint32_t vaddr,
      37                 :                                     const char* message) = 0;
      38                 : 
      39                 :  private:
      40                 :   // Define a buffer to generate error messages into.
      41                 :   static const size_t kBufferSize = 256;
      42                 :   char buffer[kBufferSize];
      43                 :   NACL_DISALLOW_COPY_AND_ASSIGN(ProblemReporter);
      44                 : };
      45                 : 
      46                 : }  // namespace
      47                 : 
      48                 : #endif  // NATIVE_CLIENT_SOURCE_TRUSTED_VALIDATOR_ARM_PROBLEM_REPORTER_H_