[antlr-interest] Reload an AST from serialized form.

[Tommy Nordgren]

I have written the following small antlr grammar, to unserialize an  
AST from the output generated by the toStringTree() method.
I'm sending it to the list, since I think it would be useful for many  
antlr users.
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parser grammar SymTabLoader;
/* Unserializes an AST serialized with toStringTree - uses the input  
lexer symbols used to create the
ast initially. Note: EVEN abstract tokens need to have a lexical  
representation for this to work.*/
options {
	tokenVocab = InputSyntax;
	output = AST;
}

program : module ;

module : '(' firstSymb subTree* ')' -> ^(firstSymb subTree*) ;

firstSymb :
  	~( '(' | ')' )
	;

subTree : firstSymb
	| module
	;

---------------------------------
How many National Democrats does it take to change a light bulb?
108: 8 who smashes the rest of the light bulbs, and 100 to blame a  
zionist world conspiracy for the darkness
--------------------------
Tommy Nordgren
tommy.nordgren at comhem.se