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Contents
# encoding: utf-8
# Terminal definitions for the EBNF grammar
module EBNF::Terminals
SYMBOL_BASE = %r(\b[a-zA-Z0-9_\.]+\b)u.freeze
SYMBOL = %r(#{SYMBOL_BASE}(?!\s*::=))u.freeze
HEX = %r(\#x\h+)u.freeze
CHAR = %r([\u0009\u000A\u000D\u0020-\uD7FF\u{10000}-\u{10FFFF}])u.freeze
R_CHAR = %r([\u0009\u000A\u000D\u0020-\u002C\u002E-\u005C\u005E-\uD7FF\u{10000}-\u{10FFFF}])u.freeze
RANGE = %r(\[(?:(?:#{R_CHAR}\-#{R_CHAR})|(?:#{HEX}\-#{HEX})|#{R_CHAR}|#{HEX})+-?\](?!\s+#{SYMBOL_BASE}\s*::=))u.freeze
LHS = %r((?:\[#{SYMBOL_BASE}\])?\s*#{SYMBOL_BASE}\s*::=)u.freeze
O_RANGE = %r(\[\^(?:(?:#{R_CHAR}\-#{R_CHAR})|(?:#{HEX}\-#{HEX}|#{R_CHAR}|#{HEX}))+-?\])u.freeze
STRING1 = %r("[\u0009\u000A\u000D\u0020\u0021\u0023-\uD7FF\u{10000}-\u{10FFFF}]*")u.freeze
STRING2 = %r('[\u0009\u000A\u000D\u0020-\u0026\u0028-\uD7FF\u{10000}-\u{10FFFF}]*')u.freeze
POSTFIX = %r([?*+])u.freeze
PASS = %r((
\s
| (?:(?:\#[^x]|//)[^\n\r]*)
| (?:/\*(?:(?:\*[^/])|[^*])*\*/)
| (?:\(\*(?:(?:\*[^\)])|[^*])*\*\))
)+)xmu.freeze
end
Version data entries
14 entries across 14 versions & 1 rubygems