[Commit] mint/grammars lolgram.mnt,NONE,1.1

[Bart Massey]

Committed by: bart

Update of /local/src/CVS/mint/grammars
In directory home.keithp.com:/tmp/cvs-serv6459/grammars

Added Files:
	lolgram.mnt 
Log Message:
Fixed up the import structure a bit.

Added mint-parser.5c: provides an autoimport-able namespace
containing a routine to parse a file given parser and lexer
tables.

Added lolgram.mnt, grammar for LOL in MerryMINT.



--- NEW FILE: lolgram.mnt ---
#
# Grammar for LOL predictive LL(1) parser generator
# Bart Massey 2005/1
#

tokens:

token   nonterm 	/[A-Za-z][A-Za-z0-9_]*/
token	term    	/<[A-Za-z][A-Za-z0-9_]*>/
token	colon		/:/
token	pipe		/\|/
token	semi		/;/
skip    ws      	/[ \t\n]/
skip    comment      	/#[^\n]*/

precedence:

rules:

rule (grammar : grammar_none) ->
rule (grammar : grammar_some) ->
    (nonterm : symbol) colon (prods: alts) semi
    (grammar : rest)

rule (prods : prods) -> (prod : first) (opt_prods : rest)

rule (opt_prods : opt_prods_none) ->
rule (opt_prods : opt_prods_some) -> pipe (prods : rest)

rule (prod : prod_none) ->
rule (prod : prod_term) -> (term : symbol) (prod : rest)
rule (prod : prod_nonterm) -> (nonterm : symbol) (prod : rest)