Visualizer (edu.mit.eecs.parserlib)

java.lang.Object

edu.mit.eecs.parserlib.Visualizer

public class Visualizer
extends Object

Support for visualizing a parse tree in a web browser, for debugging purposes.

Author:: 6.005/6.031 course staff

Method Summary

Modifier and Type	Method	Description
`static <NT extends Enum<NT>> void`	`showInBrowser(ParseTree<NT> parseTree)`	Tries to show a visualization of a parse tree in your web browser.
`static <NT extends Enum<NT>> void`	`writeToFile(ParseTree<NT> parseTree, String filename)`	Generate an HTML visualization of the parse tree and write it to a file.

Methods inherited from class java.lang.Object

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

Method Details
- showInBrowser
  
  public static <NT extends Enum<NT>> void showInBrowser(ParseTree<NT> parseTree)
  
  Tries to show a visualization of a parse tree in your web browser. If you are not connected to the internet, or if the method cannot launch the browser, it will print a very long URL to your console which you can then copy to your browser to see the visualization.
  
  Type Parameters:
  
  NT - the enumeration of symbols in the parse tree's grammar
  
  Parameters:
  
  parseTree - tree to visualize
- writeToFile
  
  public static <NT extends Enum<NT>> void writeToFile(ParseTree<NT> parseTree, String filename) throws IOException
  
  Generate an HTML visualization of the parse tree and write it to a file.
  
  Type Parameters:
  
  NT - the enumeration of symbols in the parse tree's grammar
  
  Parameters:
  
  parseTree - tree to visualize
  
  filename - output file. Advisable to give it ".html" extension, though not required.
  
  Throws:
  
  IOException - if unable to write the file.