class ScopedSearch::QueryLanguage::Compiler
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).
Public Class Methods
parse(str)
click to toggle source
Parser a query string to return an abstract syntax tree.
# File lib/scoped_search/query_language.rb, line 24 def self.parse(str) compiler = self.new(str) compiler.parse end
tokenize(str)
click to toggle source
Tokenizes a query string to return a stream of tokens.
# File lib/scoped_search/query_language.rb, line 30 def self.tokenize(str) compiler = self.new(str) compiler.tokenize end