y.output

一个FREE编译器原码

state 0
	$accept : _program $end 

	ID  shift 3
	.  error

	program  goto 1
	exp  goto 2

state 1
	$accept :  program_$end 

	$end  accept
	.  error


state 2
	program :  exp_    (1)

	.  reduce 1


state 3
	exp :  ID_    (2)

	.  reduce 2


45/3000 terminals, 2/1000 nonterminals
3/2000 grammar rules, 4/5000 states
0 shift/reduce, 0 reduce/reduce conflicts reported
3/1400 working sets used
memory: states,etc. 30/40000, parser 1/70000
3/600 distinct lookahead sets
0 extra closures
1 shift entries, 1 exceptions
2 goto entries
0 entries saved by goto default
Optimizer space used: input 6/40000, output 3/70000
3 table entries, 0 zero
maximum spread: 257, maximum offset: 257