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Contents
module ScopedSearch::QueryLanguage
require 'scoped_search/query_language/ast'
require 'scoped_search/query_language/tokenizer'
require 'scoped_search/query_language/parser'
# The Compiler class can compile a query string into an Abstract Syntax Tree,
# which in turn is used to build the SQL query.
#
# This class inclused the Tokenizer module to transform the query stream into
# a stream of tokens, and includes the Parser module that will transform the
# stream of tokens into an Abstract Syntax Tree (AST).
class Compiler
include Tokenizer
include Parser
include Enumerable
def initialize(str) # :nodoc:
@str = str
end
# Parser a query string to return an abstract syntax tree.
def self.parse(str)
compiler = self.new(str)
compiler.parse
end
# Tokenizes a query string to return a stream of tokens.
def self.tokenize(str)
compiler = self.new(str)
compiler.tokenize
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems