dart::DynamicAssertionHelper Class Reference

#include <assert.h>

Inheritance diagram for dart::DynamicAssertionHelper:

Public Member Functions
	DynamicAssertionHelper (const char *file, int line)

Protected Member Functions
void	Print (const char *format, va_list arguments, bool will_abort=false) const
	DISALLOW_IMPLICIT_CONSTRUCTORS (DynamicAssertionHelper)

Protected Attributes
const char *const	file_
const int	line_

Detailed Description

Definition at line 27 of file assert.h.

Constructor & Destructor Documentation

DynamicAssertionHelper()

dart::DynamicAssertionHelper::DynamicAssertionHelper ( const char *  file, int  line  )

inline

Definition at line 29 of file assert.h.

      : file_(file), line_(line) {}

Member Function Documentation

DISALLOW_IMPLICIT_CONSTRUCTORS()

dart::DynamicAssertionHelper::DISALLOW_IMPLICIT_CONSTRUCTORS ( DynamicAssertionHelper  )

protected

Print()

void dart::DynamicAssertionHelper::Print ( const char *  format, va_list  arguments, bool  will_abort = false  ) const

protected

Definition at line 19 of file assert.cc.

                                                            {
  // Take only the last 1KB of the file name if it is longer.
  const intptr_t file_len = strlen(file_);
  const intptr_t file_offset = (file_len > (1 * KB)) ? file_len - (1 * KB) : 0;
  const char* file = file_ + file_offset;
 
  // Print the file and line number into the buffer.
  char buffer[4 * KB];
  MSAN_UNPOISON(buffer, sizeof(buffer));
  intptr_t file_and_line_length =
      snprintf(buffer, sizeof(buffer), "%s: %d: error: ", file, line_);
 
  // Print the error message into the buffer.
  vsnprintf(buffer + file_and_line_length,
            sizeof(buffer) - file_and_line_length, format, arguments);
 
  // Print the buffer on stderr and/or syslog.
  Syslog::PrintErr("%s\n", buffer);
#if defined(DART_HOST_OS_ANDROID)
  if (will_abort && (&android_set_abort_message != nullptr)) {
    android_set_abort_message(buffer);
  }
#endif  // defined(DART_HOST_OS_ANDROID)
}

Member Data Documentation

file_

const char* const dart::DynamicAssertionHelper::file_

protected

Definition at line 37 of file assert.h.

line_

const int dart::DynamicAssertionHelper::line_

protected

Definition at line 38 of file assert.h.

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The documentation for this class was generated from the following files:

• third_party/dart-lang/sdk/runtime/platform/assert.h
• third_party/dart-lang/sdk/runtime/platform/assert.cc