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Contents
require 'bel_parser/parsers/ast/node'
module BELParser
module Language
module Syntax
# InvalidFunction represents a syntax error with invalid function name
# according to a BEL specification.
class InvalidFunction
include SyntaxFunction
private_class_method :new
def self.map(func_node, spec, _namespaces)
return nil unless func_node.is_a?(BELParser::Parsers::AST::Function)
function_name =
if func_node.identifier
func_node.identifier.string_literal
else
''
end
unless spec.function(function_name.to_sym)
InvalidFunctionSyntaxError.new(func_node, spec, function_name)
end
end
end
# InvalidFunctionSyntaxError indicates a function name was invalid.
class InvalidFunctionSyntaxError < SyntaxError
# Gets the invalid function literal.
attr_reader :invalid_function
def initialize(function, spec, invalid_function)
super(function, spec)
@invalid_function = invalid_function
end
def msg
%(Invalid function "#{invalid_function}".)
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems