1*d219b4ceSAdam Hornacek/* 2*d219b4ceSAdam Hornacek * CDDL HEADER START 3*d219b4ceSAdam Hornacek * 4*d219b4ceSAdam Hornacek * The contents of this file are subject to the terms of the 5*d219b4ceSAdam Hornacek * Common Development and Distribution License (the "License"). 6*d219b4ceSAdam Hornacek * You may not use this file except in compliance with the License. 7*d219b4ceSAdam Hornacek * 8*d219b4ceSAdam Hornacek * See LICENSE.txt included in this distribution for the specific 9*d219b4ceSAdam Hornacek * language governing permissions and limitations under the License. 10*d219b4ceSAdam Hornacek * 11*d219b4ceSAdam Hornacek * When distributing Covered Code, include this CDDL HEADER in each 12*d219b4ceSAdam Hornacek * file and include the License file at LICENSE.txt. 13*d219b4ceSAdam Hornacek * If applicable, add the following below this CDDL HEADER, with the 14*d219b4ceSAdam Hornacek * fields enclosed by brackets "[]" replaced with your own identifying 15*d219b4ceSAdam Hornacek * information: Portions Copyright [yyyy] [name of copyright owner] 16*d219b4ceSAdam Hornacek * 17*d219b4ceSAdam Hornacek * CDDL HEADER END 18*d219b4ceSAdam Hornacek */ 19*d219b4ceSAdam Hornacek 20*d219b4ceSAdam Hornacek/* 21*d219b4ceSAdam Hornacek * Copyright (c) 2006, 2016, Oracle and/or its affiliates. All rights reserved. 22*d219b4ceSAdam Hornacek * Portions Copyright (c) 2017, Chris Fraire <cfraire@me.com>. 23*d219b4ceSAdam Hornacek */ 24*d219b4ceSAdam Hornacek 25*d219b4ceSAdam Hornacek/* 26*d219b4ceSAdam Hornacek * id ::= plainid 27*d219b4ceSAdam Hornacek * | ‘`’ { charNoBackQuoteOrNewline | UnicodeEscape | charEscapeSeq } ‘`’ 28*d219b4ceSAdam Hornacek * plainid ::= upper idrest 29*d219b4ceSAdam Hornacek * | varid 30*d219b4ceSAdam Hornacek * | op 31*d219b4ceSAdam Hornacek * varid ::= lower idrest 32*d219b4ceSAdam Hornacek * op ::= opchar {opchar} 33*d219b4ceSAdam Hornacek */ 34*d219b4ceSAdam HornacekIdentifier = {plainid_mod1} 35*d219b4ceSAdam HornacekOpSuffixIdentifier = {plainid_mod2} 36*d219b4ceSAdam HornacekOpIdentifier = {op} 37*d219b4ceSAdam HornacekBacktickIdentifier = [`] ({charNoBackQuoteOrNewline} | {UnicodeEscape} | 38*d219b4ceSAdam Hornacek {charEscapeSeq})+ [`] 39*d219b4ceSAdam Hornacekplainid_mod1 = ({upper} | {lower}) {idrest_char}* 40*d219b4ceSAdam Hornacekplainid_mod2 = ({upper} | {lower}) {idrest_char}* "_" {op} 41*d219b4ceSAdam Hornacekop = {opchar}+ 42*d219b4ceSAdam Hornacek/* 43*d219b4ceSAdam Hornacek * opchar ::= // printableChar not matched by (whiteSpace | upper | lower | 44*d219b4ceSAdam Hornacek * // letter | digit | paren | delim) 45*d219b4ceSAdam Hornacek * opchar ::= Unicode_Sm | Unicode_So ; N.b. [cfraire] I believe the definition 46*d219b4ceSAdam Hornacek * from 2.12 where the exclusion parenthetical above contains 47*d219b4ceSAdam Hornacek * "opchar | Unicode_Sm | Unicode_So" is a typo and this is the proper form. 48*d219b4ceSAdam Hornacek * printableChar ::= // all characters in [\u0020, \u007F] inclusive 49*d219b4ceSAdam Hornacek */ 50*d219b4ceSAdam Hornacekopchar = ([[\u{0020}-\u{007F}]--[\sA-Z\$_\p{Lu}a-z\p{Ll}\p{Lo}\p{Lt}\p{Nl}0-9\(\)\[\]\{\}`\'\"\.;,]] | 51*d219b4ceSAdam Hornacek [\p{Sm}\p{So}]) 52*d219b4ceSAdam Hornacek/* 53*d219b4ceSAdam Hornacek * upper ::= ‘A’ | … | ‘Z’ | ‘$’ | ‘_’ // and Unicode category Lu 54*d219b4ceSAdam Hornacek * lower ::= ‘a’ | … | ‘z’ // and Unicode category Ll 55*d219b4ceSAdam Hornacek * idrest ::= {letter | digit} [‘_’ op] 56*d219b4ceSAdam Hornacek * letter ::= upper | lower // and Unicode categories Lo, Lt, Nl 57*d219b4ceSAdam Hornacek * UnicodeEscape ::= ‘\’ ‘u’ {‘u’} hexDigit hexDigit hexDigit hexDigit 58*d219b4ceSAdam Hornacek * charEscapeSeq ::= ‘\’ (‘b’ | ‘t’ | ‘n’ | ‘f’ | ‘r’ | ‘"’ | ‘'’ | ‘\’) 59*d219b4ceSAdam Hornacek */ 60*d219b4ceSAdam Hornacekupper = [A-Z\$_\p{Lu}] 61*d219b4ceSAdam Hornaceklower = [a-z\p{Ll}] 62*d219b4ceSAdam Hornacekidrest_char = ({letter} | {digit}) // N.b. here OpenGrok ignores the op suffix 63*d219b4ceSAdam Hornacekletter = ({upper} | {lower} | [\p{Lo}\p{Lt}\p{Nl}]) 64*d219b4ceSAdam HornacekcharNoBackQuoteOrNewline = [[^]--[\n\r`]] 65*d219b4ceSAdam HornacekUnicodeEscape = \\ [u]+ {hexDigit}{4} 66*d219b4ceSAdam HornacekcharEscapeSeq = \\ [btnfr\"\'\\] 67*d219b4ceSAdam Hornacek 68*d219b4ceSAdam HornacekNumber = [\-]? ({integerLiteral} | {floatingPointLiteral}) 69*d219b4ceSAdam Hornacek/* 70*d219b4ceSAdam Hornacek * Numeric Literal ::= [‘-’] integerLiteral 71*d219b4ceSAdam Hornacek * | [‘-’] floatingPointLiteral 72*d219b4ceSAdam Hornacek * 73*d219b4ceSAdam Hornacek * integerLiteral ::= (decimalNumeral | hexNumeral) [‘L’ | ‘l’] 74*d219b4ceSAdam Hornacek * decimalNumeral ::= ‘0’ | nonZeroDigit {digit} 75*d219b4ceSAdam Hornacek * hexNumeral ::= ‘0’ (‘x’ | ‘X’) hexDigit {hexDigit} 76*d219b4ceSAdam Hornacek * digit ::= ‘0’ | nonZeroDigit 77*d219b4ceSAdam Hornacek * nonZeroDigit ::= ‘1’ | … | ‘9’ 78*d219b4ceSAdam Hornacek * hexDigit ::= ‘0’ | … | ‘9’ | ‘A’ | … | ‘F’ | ‘a’ | … | ‘f’ 79*d219b4ceSAdam Hornacek */ 80*d219b4ceSAdam HornacekintegerLiteral = ({decimalNumeral} | {hexNumeral}) [Ll]? 81*d219b4ceSAdam HornacekdecimalNumeral = ([0] | {nonZeroDigit} {digit}*) 82*d219b4ceSAdam HornacekhexNumeral = [0][xX] {hexDigit}+ 83*d219b4ceSAdam Hornacekdigit = [0-9] 84*d219b4ceSAdam HornaceknonZeroDigit = [1-9] 85*d219b4ceSAdam HornacekhexDigit = [0-9A-Fa-f] 86*d219b4ceSAdam Hornacek 87*d219b4ceSAdam Hornacek/* 88*d219b4ceSAdam Hornacek * floatingPointLiteral ::= 89*d219b4ceSAdam Hornacek * digit {digit} ‘.’ digit {digit} [exponentPart] [floatType] 90*d219b4ceSAdam Hornacek * | ‘.’ digit {digit} [exponentPart] [floatType] 91*d219b4ceSAdam Hornacek * | digit {digit} exponentPart [floatType] 92*d219b4ceSAdam Hornacek * | digit {digit} [exponentPart] floatType 93*d219b4ceSAdam Hornacek * exponentPart ::= (‘E’ | ‘e’) [‘+’ | ‘-’] digit {digit} 94*d219b4ceSAdam Hornacek * floatType ::= ‘F’ | ‘f’ | ‘D’ | ‘d’ 95*d219b4ceSAdam Hornacek */ 96*d219b4ceSAdam HornacekfloatingPointLiteral = ({digit}+ "." {digit}+ {exponentPart}? {floatType}? | 97*d219b4ceSAdam Hornacek "." {digit}+ {exponentPart}? {floatType}? | 98*d219b4ceSAdam Hornacek {digit}+ {exponentPart} {floatType}? | 99*d219b4ceSAdam Hornacek {digit}+ {exponentPart}? {floatType}) 100*d219b4ceSAdam HornacekexponentPart = [Ee] [\+\-]? {digit}+ 101*d219b4ceSAdam HornacekfloatType = [FfDd] 102