module.exports = function grammar(){copyright: Copyright (c) 2023 Lowell D. Thomas, all rights reserved
license: BSD-2-Clause (https://opensource.org/licenses/BSD-2-Clause)
Generated by apg-js, Version 4.2.1 apg-js
module.exports = function grammar(){SUMMARY
rules = 6
udts = 1
opcodes = 16
--- ABNF original opcodes
ALT = 0
CAT = 2
REP = 1
RNM = 6
TLS = 3
TBS = 0
TRG = 3
--- SABNF superset opcodes
UDT = 1
AND = 0
NOT = 0
BKA = 0
BKN = 0
BKR = 0
ABG = 0
AEN = 0
characters = [40 - 57] + user defined
/* OBJECT IDENTIFIER (for internal parser use) */
this.grammarObject = 'grammarObject';
/* RULES */
this.rules = [];
this.rules[0] = {name: 'phone-number', lower: 'phone-number', index: 0, isBkr: false};
this.rules[1] = {name: 'area-code', lower: 'area-code', index: 1, isBkr: false};
this.rules[2] = {name: 'subscriber', lower: 'subscriber', index: 2, isBkr: false};
this.rules[3] = {name: 'gt-2', lower: 'gt-2', index: 3, isBkr: false};
this.rules[4] = {name: 'not-9', lower: 'not-9', index: 4, isBkr: false};
this.rules[5] = {name: 'digit', lower: 'digit', index: 5, isBkr: false};
/* UDTS */
this.udts = [];
this.udts[0] = {name: 'u_office', lower: 'u_office', index: 0, empty: false, isBkr: false};
/* OPCODES */
/* phone-number */
this.rules[0].opcodes = [];
this.rules[0].opcodes[0] = {type: 2, children: [1,2,3,4,5,6]};// CAT
this.rules[0].opcodes[1] = {type: 7, string: [40]};// TLS
this.rules[0].opcodes[2] = {type: 4, index: 1};// RNM(area-code)
this.rules[0].opcodes[3] = {type: 7, string: [41]};// TLS
this.rules[0].opcodes[4] = {type: 11, empty: false, index: 0};// UDT(u_office)
this.rules[0].opcodes[5] = {type: 7, string: [45]};// TLS
this.rules[0].opcodes[6] = {type: 4, index: 2};// RNM(subscriber)
/* area-code */
this.rules[1].opcodes = [];
this.rules[1].opcodes[0] = {type: 2, children: [1,2,3]};// CAT
this.rules[1].opcodes[1] = {type: 4, index: 3};// RNM(gt-2)
this.rules[1].opcodes[2] = {type: 4, index: 4};// RNM(not-9)
this.rules[1].opcodes[3] = {type: 4, index: 5};// RNM(digit)
/* subscriber */
this.rules[2].opcodes = [];
this.rules[2].opcodes[0] = {type: 3, min: 4, max: 4};// REP
this.rules[2].opcodes[1] = {type: 4, index: 5};// RNM(digit)
/* gt-2 */
this.rules[3].opcodes = [];
this.rules[3].opcodes[0] = {type: 5, min: 50, max: 57};// TRG
/* not-9 */
this.rules[4].opcodes = [];
this.rules[4].opcodes[0] = {type: 5, min: 48, max: 56};// TRG
/* digit */
this.rules[5].opcodes = [];
this.rules[5].opcodes[0] = {type: 5, min: 48, max: 57};// TRGThe toString() function will display the original grammar file(s) that produced these opcodes.
this.toString = function toString(){
let str = "";
str += ";\n";
str += "; Ref: Wikipedia, North American Numbering Plan\n";
str += ";\n";
str += "phone-number = \"(\" area-code \")\" u_office \"-\" subscriber\n";
str += "area-code = gt-2 not-9 digit\n";
str += "subscriber = 4digit\n";
str += "gt-2 = %d50-57\n";
str += "not-9 = %d48-56\n";
str += "digit = %d48-57\n";
return str;
}
}