pj2
Class Utils

Object
  Utils

Direct Known Subclasses:

Launcher, Parser, Visitor

public abstract class Utils
extends Object

useful functions for parsers.

Version:

2.2.1

Field Summary

protected boolean

error true if there was an error.

Constructor Summary

Utils()

Method Summary

static String	className(Object o) return simplified class name.
protected void	error(int position, String message) writes error message with (nonzero) position.
protected void	error(Parser.Node node, String message) writes error message with (nonzero) position from node.
protected void	error(String message) writes error message, sets error.
static String	fromString(String s) return internal representation of the characters of an external string.
boolean	getError()
protected void	message(String message) should be overwritten to redirect all messages.
static String	toChars(Object o) return external representation of the characters of a string.
static String	toString(String s, char delim) return external representation of a string (enclosed in quotes).
protected void	warning(int position, String message) writes warning message with (nonzero) position.
protected void	warning(Parser.Node node, String message) writes warning message with (nonzero) position from node.
protected void	warning(String message) writes warning message.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

error

protected boolean error

true if there was an error.

See Also:

error(java.lang.String)

Constructor Detail

Utils

public Utils()

Method Detail

getError

public boolean getError()

toString

public static String toString(String s,
                              char delim)

return external representation of a string (enclosed in quotes).

Parameters:

delim - single or double quote to surround the result.

toChars

public static String toChars(Object o)

return external representation of the characters of a string.

fromString

public static String fromString(String s)

return internal representation of the characters of an external string.

className

public static String className(Object o)

return simplified class name.

message

protected void message(String message)

should be overwritten to redirect all messages.

error

protected void error(String message)

writes error message, sets error.

See Also:

message(java.lang.String)

error

protected void error(int position,
                     String message)

writes error message with (nonzero) position.

error

protected void error(Parser.Node node,
                     String message)

writes error message with (nonzero) position from node.

warning

protected void warning(String message)

writes warning message.

See Also:

message(java.lang.String)

warning

protected void warning(int position,
                       String message)

writes warning message with (nonzero) position.

warning

protected void warning(Parser.Node node,
                       String message)

writes warning message with (nonzero) position from node.