RNPL Grammar in BNR Format

 
dec_list 		 

		  		 dec_list declaration

declaration 		  		 param_dec

		  		 coord_dec

		  		 grid_dec

		  		 gfunc_dec

		  		 attrib_dec

		  		 d_operator

		  		 residual

		  		 initialization

		  		 looper

		  		 update

param_dec 		  		   param p_type name

		  		  param p_type name  assignop scalar

		  		  param p_type name v_size

		  		  param p_type name v_size  assignop vector

		  		  const param p_type name

		  		  const param p_type name  assignop scalar

		  		  const param p_type name v_size

		  		  const param p_type name v_size  assignop vector

coord_dec  		  		  name  coordinates coord_list

grid_dec  		  		  g_type name  grid name i_region c_region

		  		 g_type name  grid name

		  		 g_type name  obrack coord_list  cbrack grid name i_region

		 		        c_region

		  		 g_type name  obrack coord_list  cbrack grid name

gfunc_dec  		  		  type name  on name

		  		 type name  on name str

		  		 type name  on name  at o_list

		  		 type name  on name  at o_list  alias

		  		 type name  on name  at o_list str

		  		type name  on name  at o_list  alias str

attrib_dec  		  		   attrib p_type name encoding

		  		  attrib p_type name encoding  assignop vector

d_operator  		  		   operator d_op  assignop expr

residual  		  		   resid name  obrace res_list  cbrace

		  		  resid time index name  obrace res_list  cbrace

		  		  evaluate resid name  obrace res_list  cbrace

		  		  evaluate resid time index name  obrace res_list  cbrace

initialization  		  		   initialize name  obrace res_list  cbrace

looper  		  		   looper name

update  		  		  name name  update coord_list  header ref_list

		  		  stub name  update coord_list  header ref_list

		  		  auto update coord_list

p_type  		  		   int

		  		  float

		  		  string

name  		  		   iden

scalar  		  		   inum

		  		  minus inum

		  		  num

		  		  minus num

		  		  str

v_size  		  		   obrack inum cbrack

vector  		  		   obrack scalar_list  cbrack

coord_list  		  		  name

		  		 coord_list  comma name

g_type  		  		   uniform

		  		  nonuniform

i_region  		  		   obrack expr  colon expr  cbrack

		  		  obrack expr  colon expr  cbrack i_region

c_region  		  		   obrace name  colon name  cbrace

		  		  obrace name  colon name  cbrace c_region

type  		  		   int

		  		  float

o_list  		  		   inum

		  		  minus inum

		  		 o_list  comma inum

		  		 o_list  comma minus inum

encoding  		  		   encodeone

		  		  encodeall

d_op  		  		  name  oparen expr  comma coord_list  cparen

		  		  expand name  oparen expr  comma coord_list  cparen

expr  		  		  expr  plus expr

		  		 expr  minus expr

		  		 expr  equals expr

		  		 expr  times expr

		  		 expr  divide expr

		  		 expr  caret expr

		  		  plus expr

		  		  minus expr

		  		  oparen expr  cparen

		  		 d_op

		  		 func

		  		 gfunc

		  		 coord

		  		 name

		  		  num

		  		  inum

res_list  		  		  i_region  assignop expr

		  		 res_list  scolon i_region  assignop expr

time  		  		   oabr inum cabr

		  		  oabr minus inum cabr

index  		  		   obrack inum cbrack

		  		  obrack minus inum cbrack

		  		  obrack inum cbrack index

		  		  obrack minus inum cbrack index

ref_list  		  		  reference

		  		 ref_list  comma reference

scalar_list  		  		  scalar

		  		 scalar_list scalar

func  		  		  name  oparen expr  cparen

gfunc  		  		  time name index

coord  		  		  name  obrack inum cbrack

reference  		  		  name

		  		 name  obrack coord_list  cbrack

		  		  auto work pound inum oparen expr  cparen

		  		  static work pound inum oparen expr  cparen

 
 param  		 parameter or PARAMETER

 assignop 		 := or =

 coordinates 		 coordinates or COORDINATES

 grid 		 grid or GRID

 obrack 		 [

 cbrack 		 ]

 on 		 on or ON

 at 		 at or AT

 attrib 		 attribute or ATTRIBUTE

 operator 		 operator or OPERATOR

 resid 		 residual or RESIDUAL

 obrace 		 {

 cbrace 		 }

 evaluate 		 evaluate or EVALUATE

 initialize 		 initialize or INITIALIZE

 looper 		 looper or LOOPER

 update 		 update or updates or UPDATE or UPDATES

 int 		 int or INT

 float 		 float or FLOAT

 string 		 string or STRING

 iden 		 see below

 inum 		 positive integer

 minus 		 -

 num 		 positive real number

 str 		 ``any characters''

 comma 		 ,

 uniform 		 uniform or UNIFORM

 nonuniform 		 nonuniform or NONUNIFORM

 colon 		 :

 encodeone 		 encodeone or ENCODEONE

 encodeall 		 encodeall or ENCODEALL

 oparen 		 (

 cparen 		 )

 expand 		 expand or EXPAND

 plus 		 +

 times 		 *

 divide 		 /

 caret 		 ^ or **

 scolon 		 ;

 oabr 		 <

 cabr 		 >