//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Reid Spencer and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// This static function will return the operating system's virtual memory
/// page size.
/// @returns The number of bytes in a virtual memory page.
- /// @throws nothing
/// @brief Get the virtual memory page size
static unsigned GetPageSize();
/// by the process. This only counts the memory allocated via the malloc,
/// calloc and realloc functions and includes any "free" holes in the
/// allocated space.
- /// @throws nothing
/// @brief Return process memory usage.
static size_t GetMallocUsage();
/// the user rather than being put on a pipe or stored in a file.
static bool StandardErrIsDisplayed();
+ /// This function determines if the given file descriptor is connected to
+ /// a "tty" or "console" window. That is, the output would be displayed to
+ /// the user rather than being put on a pipe or stored in a file.
+ static bool FileDescriptorIsDisplayed(int fd);
+
+ /// This function determines the number of columns in the window
+ /// if standard output is connected to a "tty" or "console"
+ /// window. If standard output is not connected to a tty or
+ /// console, or if the number of columns cannot be determined,
+ /// this routine returns zero.
+ static unsigned StandardOutColumns();
+
+ /// This function determines the number of columns in the window
+ /// if standard error is connected to a "tty" or "console"
+ /// window. If standard error is not connected to a tty or
+ /// console, or if the number of columns cannot be determined,
+ /// this routine returns zero.
+ static unsigned StandardErrColumns();
+
+ /// This function determines whether the terminal connected to standard
+ /// output supports colors. If standard output is not connected to a
+ /// terminal, this function returns false.
+ static bool StandardOutHasColors();
+
+ /// This function determines whether the terminal connected to standard
+ /// error supports colors. If standard error is not connected to a
+ /// terminal, this function returns false.
+ static bool StandardErrHasColors();
+
+ /// Whether changing colors requires the output to be flushed.
+ /// This is needed on systems that don't support escape sequences for
+ /// changing colors.
+ static bool ColorNeedsFlush();
+
+ /// This function returns the colorcode escape sequences.
+ /// If ColorNeedsFlush() is true then this function will change the colors
+ /// and return an empty escape sequence. In that case it is the
+ /// responsibility of the client to flush the output stream prior to
+ /// calling this function.
+ static const char *OutputColor(char c, bool bold, bool bg);
+
+ /// Same as OutputColor, but only enables the bold attribute.
+ static const char *OutputBold(bool bg);
+
+ /// Resets the terminals colors, or returns an escape sequence to do so.
+ static const char *ResetColor();
/// @}
};
}
}
-
#endif