Added support for dumping AST to console, text file or dot file

compiler/java/com/google/dart/compiler/CommandLineOptions.java

Index: compiler/java/com/google/dart/compiler/CommandLineOptions.java
===================================================================
--- compiler/java/com/google/dart/compiler/CommandLineOptions.java	(revision 1522)
+++ compiler/java/com/google/dart/compiler/CommandLineOptions.java	(working copy)
@@ -72,6 +72,10 @@
     @Option(name = "--generate_source_maps",
         usage = "Generate source maps")
     private boolean generateSourceMaps = false;
+    
+    @Option(name = "--dump-ast-format", aliases={"-dump-ast-format"},
+    		usage = "Dump parse tree to a suppoted format (console, text, dot)")

[zundel, 2011/11/15 14:49:54]

Formatting looks funny.
suppoted --> supported

[shauvik, 2011/11/15 23:53:14]

Fixed. It now reads "Dump parse tree. Supported formats include console, text or
dot". Does it sound okay?

On 2011/11/15 14:49:54, zundel wrote:

+    private String dumpAST = "";
 
     @Option(name = "--human-readable-output",
         usage = "Write human readable javascript")
@@ -246,6 +250,10 @@
     public boolean generateHumanReadableOutput() {
       return generateHumanReadableOutput;
     }
+    
+    public String dumpAST(){
+    	return dumpAST;
+    }
 
     /**
      * @return the path to receive compiler output.