cmd/awk/awk.g.y

78 %type	<s>	reg_expr
218 	| ppattern MATCHOP reg_expr	{ $$ = op3($2, NIL, $1, (Node*)makedfa($3, 0)); }
227 	| reg_expr
248 	| pattern MATCHOP reg_expr	{ $$ = op3($2, NIL, $1, (Node*)makedfa($3, 0)); }
259 	| reg_expr
291 reg_expr:
369 	| INDEX '(' pattern comma reg_expr ')'
373 	| MATCHFCN '(' pattern comma reg_expr ')'
383 	| SPLIT '(' pattern comma varname comma reg_expr ')'    /* const /regexp/ */
389 	| subop '(' reg_expr comma pattern ')'
396 	| subop '(' reg_expr comma pattern comma var ')'