Java Doc for Printer.java in  » Parser » Rats-Parser-Generators » xtc » tree » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Parser » Rats Parser Generators » xtc.tree   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    xtc.tree.Utility       xtc.tree.Printer All known Subclasses:   xtc.tree.LineupPrinter, Printer public class Printer extends Utility (Code) A node pretty printing utility. This class provides a set of convenience methods to simplify the pretty printing of an abstract syntax tree. author:    Robert Grimm version:    $Revision: 1.2 $ Field Summary final public static  int SEPARATOR_LENGTH      The length of the line separator. protected  int indent      The current indentation level. protected  PrintWriter out      The print writer to print to. protected  int printed      The number of characters printed by the most recently invoked method. Constructor Summary public   Printer(PrintWriter out)      Create a new printer with the specified print writer. Method Summary public  Printer align(int printed, int alignment)      Print whitespace to align the output. public  Printer align(int alignment)      Print whitespace to align the output. public  Printer decr()      Decrease the current indentation level. public  Printer escape(char c, int flags)      Print the specified character with the specified escape sequences. See Also:   Utilities Parameters:   c - The character to print. Parameters:   flags - The escape flags. public  Printer escape(String s, int flags)      Print the specified string with the specified escape sequences. See Also:   Utilities Parameters:   s - The string to print. Parameters:   flags - The escape flags. public  Printer incr()      Increase the current indentation level. public  Printer indent()      Indent. public  Printer indentLess()      Indent one tab stop less than the current indentation level. public  Printer loc(Node node)      Print the original location for the specified node. public  Printer p(char c)      Print the specified character. Parameters:   c - The character to print. public  Printer p(int i)      Print the specified integer. Parameters:   i - The integer to print. public  Printer p(String s)      Print the specified string. Parameters:   s - The string to print. public  Printer p(Node node)      Print the specified node. public  Printer p(Collection coll)      Print the specified collection of nodes. public  Printer p(Collection coll, String before, String sep)      Print the specified collection of nodes. public  Printer pln(char c)      Print the specified character followed by a newline. Parameters:   c - The character to print. public  Printer pln(int i)      Print the specified integer followed by a newline. Parameters:   i - The integer to print. public  Printer pln(String s)      Print the specified string followed by a newline. Parameters:   s - The string to print. public  Printer pln()      Print a newline. public  Printer sep()      Print an indented separation comment. Field Detail SEPARATOR_LENGTH final public static int SEPARATOR_LENGTH(Code) The length of the line separator. indent protected int indent(Code) The current indentation level. out protected PrintWriter out(Code) The print writer to print to. printed protected int printed(Code) The number of characters printed by the most recently invoked method. Constructor Detail Printer public Printer(PrintWriter out)(Code) Create a new printer with the specified print writer. Parameters:   out - The print writer to output to. Method Detail align public Printer align(int printed, int alignment)(Code) Print whitespace to align the output. This method prints whitespace to cover the difference between the specified number of printed characters and the specified alignment. If the number of characters already printed is equal or larger than the number of characters to align the output at, a single space character is printed. Parameters:   printed - The number of characters already printed. Parameters:   alignment - The number of characters to align at. align public Printer align(int alignment)(Code) Print whitespace to align the output. This method prints whitespace to cover the difference between the number of characters printed by the last invocation to any of this printer's methods (besides Printer.incr() and Printer.decr() ) and the specified alignment. If the number of characters already printed is equal or larger than the number of characters to align the output at, a single space character is printed. Parameters:   alignment - The number of characters to align at. decr public Printer decr()(Code) Decrease the current indentation level. This printer. escape public Printer escape(char c, int flags)(Code) Print the specified character with the specified escape sequences. See Also:   Utilities Parameters:   c - The character to print. Parameters:   flags - The escape flags. This printer. escape public Printer escape(String s, int flags)(Code) Print the specified string with the specified escape sequences. See Also:   Utilities Parameters:   s - The string to print. Parameters:   flags - The escape flags. This printer. incr public Printer incr()(Code) Increase the current indentation level. This printer. indent public Printer indent()(Code) Indent. This printer. indentLess public Printer indentLess()(Code) Indent one tab stop less than the current indentation level. This printer. loc public Printer loc(Node node)(Code) Print the original location for the specified node. Note that this method prints nothing. Parameters:   node - The node. This printer. p public Printer p(char c)(Code) Print the specified character. Parameters:   c - The character to print. This printer. p public Printer p(int i)(Code) Print the specified integer. Parameters:   i - The integer to print. This printer. p public Printer p(String s)(Code) Print the specified string. Parameters:   s - The string to print. This printer. p public Printer p(Node node)(Code) Print the specified node. If the specified node is null, nothing is printed. Parameters:   node - The node to print. This printer. p public Printer p(Collection coll)(Code) Print the specified collection of nodes. Nodes are printed in the order of the collection's iterator. If the specified collection is null, nothing is printed. Parameters:   coll - The collection of nodes to print. This printer. p public Printer p(Collection coll, String before, String sep)(Code) Print the specified collection of nodes. Nodes are printed in the order of the collection's iterator. If the specified collection is null or empty, nothing is printed. Parameters:   coll - The collection of nodes to print. Parameters:   before - The string to print before the nodes. Parameters:   sep - The string to print between nodes. pln public Printer pln(char c)(Code) Print the specified character followed by a newline. Parameters:   c - The character to print. This printer. pln public Printer pln(int i)(Code) Print the specified integer followed by a newline. Parameters:   i - The integer to print. This printer. pln public Printer pln(String s)(Code) Print the specified string followed by a newline. Parameters:   s - The string to print. This printer. pln public Printer pln()(Code) Print a newline. This printer. sep public Printer sep()(Code) Print an indented separation comment. This printer. Fields inherited from xtc.tree.Utility Visitor visitor(Code)(Java Doc) Methods inherited from xtc.tree.Utility public void register(Visitor visitor)(Code)(Java Doc) public Visitor visitor()(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)