Browsable Comma-Separated Values (CSV) Grammar

Grammar connected by Vadim Zaytsev, see the Grammar Zoo entry for details: markup/textual/csv/bucknall/connected
Source used for this grammar: Julian M. Bucknall, Writing a Parser for CSV Data, 11-jul-2005; 27-oct-2005 [Online]

Summary

• Total 11 production rules with 13 top alternatives and 76 symbols.
• Vocabulary: 17 = 12 nonterminals + 5 terminals + 0 labels + 0 markers.
• Total 12 nonterminal symbols: 11 defined (csvFile, csvRecord, csvStringList, rawString, optionalSpaces, whitespace, rawField, simpleField, quotedField, escapedField, subField), 1 root (csvFile), 0 top (—), 1 bottom (EOF ⁴).
• Total 5 terminal symbols: 0 keywords (—), 0 letters (—), 0 numerics (—), 3 signs ("," ², " " ², """ ⁶).

Syntax

csvFile ::=
	csvRecord* EOF

csvRecord ::=
	csvStringList ("\n" | EOF)

csvStringList ::=
	rawString ("," csvStringList)?

rawString ::=
	optionalSpaces (rawField optionalSpaces)?

optionalSpaces ::=
	whitespace*

whitespace ::=
	" "
	"\t"

rawField ::=
	simpleField
	quotedField

simpleField ::=
	¬("\n" | EOF | "\t" | " " | "," | """)+

quotedField ::=
	""" escapedField """

escapedField ::=
	subField (""" """ escapedField)?

subField ::=
	¬(""" | EOF)+

Maintained by Dr. Vadim Zaytsev a.k.a. @grammarware. Last updated in September 2015. [↑]