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# File 'lib/twig/token_parser/for.rb', line 9
def parse(token)
lineno = token.lineno
stream = parser.stream
targets = parse_assignment_expression
stream.expect(Token::OPERATOR_TYPE, 'in')
seq = parser.parse_expression
if_expr = nil
if stream.next_if(Token::NAME_TYPE, 'if')
if_expr = parser.parse_expression
end
stream.expect(Token::BLOCK_END_TYPE)
body = parser.subparse(method(:decide_for_fork))
if stream.next.value == 'else'
stream.expect(Token::BLOCK_END_TYPE)
else_expr = parser.subparse(method(:decide_for_end), drop_needle: true)
else
else_expr = nil
end
stream.expect(Token::BLOCK_END_TYPE)
if targets.nodes.length > 1
key_target = targets.nodes[0]
key_target = Node::Expression::Variable::AssignContext.new(
key_target.attributes[:name],
key_target.lineno
)
value_target = targets.nodes[1]
else
key_target = Node::Expression::Variable::AssignContext.new('_key', lineno)
value_target = targets.nodes[0]
end
value_target = Node::Expression::Variable::AssignContext.new(
value_target.attributes[:name],
value_target.lineno
)
Node::For.new(key_target, value_target, seq, if_expr, body, else_expr, lineno)
end
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