cfg.txt

cfg
S -> CODE
CODE -> VDECL CODE 
CODE -> FDECL CODE
CODE -> CDECL CODE
CODE -> ''
VDECL -> vtype id semi 
VDECL -> vtype ASSIGN semi 
ASSIGN -> id assign RHS 
RHS -> EXPR 
RHS -> literal 
RHS -> character 
RHS -> boolstr 
EXPR -> TERM EXPR2
EXPR2 -> addsub TERM EXPR2
EXPR2 -> ''
TERM -> FACTOR TERM2
TERM2 -> multdiv FACTOR TERM2
TERM2 -> ''
FACTOR -> lparen EXPR rparen
FACTOR -> id
FACTOR -> num
FDECL -> vtype id lparen ARG rparen lbrace BLOCK RETURN rbrace 
ARG -> vtype id MOREARGS 
ARG -> '' 
MOREARGS -> comma vtype id MOREARGS 
MOREARGS -> ''
STMT -> VDECL 
STMT -> ASSIGN semi 
STMT -> if lparen COND rparen lbrace BLOCK rbrace ELSE 
STMT -> while lparen COND rparen lbrace BLOCK rbrace
BLOCK -> STMT BLOCK 
BLOCK -> ''
COND -> COND2 comp COND
COND -> boolstr
COND2 -> boolstr
ELSE -> else lbrace BLOCK rbrace 
ELSE -> '' 
RETURN -> return RHS semi 
CDECL -> class id lbrace ODECL rbrace 
ODECL -> VDECL ODECL 
ODECL -> FDECL ODECL 
ODECL -> ''