Sha256: 7e94db2f3facb92a360bada077b966a9b1b3185f582813a86d8f5a8c0c70fae3
Contents?: true
Size: 1.84 KB
Versions: 9
Compression:
Stored size: 1.84 KB
Contents
grammar SQLPrimitives
include SQLTokens
rule primitive
OPEN_PARENS primitive CLOSE_PARENS {
def eval
simple_primitive.eval
end
}
/
simple_primitive
end
rule simple_primitive
datetime / date / boolean / quoted_string / backtick_string / number / string
end
rule optional_spaces
SPACE*
end
rule boolean
TRUE / FALSE
end
rule quoted_string
single_quoted_string / double_quoted_string
end
rule single_quoted_string
SINGLE_QUOTE (NON_QUOTE_CHARS / DOUBLE_QUOTE)* SINGLE_QUOTE {
def eval
text_value[1..text_value.length-2]
end
}
end
rule double_quoted_string
DOUBLE_QUOTE (NON_QUOTE_CHARS / SINGLE_QUOTE)* DOUBLE_QUOTE {
def eval
text_value[1..text_value.length-2]
end
}
end
rule backtick_string
BACKTICK string BACKTICK {
def eval
string.eval
end
}
end
rule string
STRING_CHARS+ {
def eval
text_value
end
}
end
rule number
float / integer
end
rule integer
MINUS_OR_DIGIT DIGIT* {
def eval
text_value.to_i
end
}
end
rule float
integer "." integer {
def eval
text_value.to_f
end
}
end
rule date
one:four_digits DASH two:two_digits DASH three:two_digits {
def eval
elements = [one.eval, two.eval, three.eval]
Date.new(*elements)
end
}
end
rule four_digits
two_digits two_digits {
def eval; text_value.to_i; end
}
end
rule two_digits
DIGIT DIGIT {
def eval; text_value.to_i; end
}
end
rule datetime
quote? date SPACE time quote? {
def eval
Time.parse(text_value)
end
}
end
rule time
two_digits ":" two_digits ":" two_digits
end
rule quote
SINGLE_QUOTE / DOUBLE_QUOTE
end
end
Version data entries
9 entries across 9 versions & 1 rubygems