old-parser/README.md

parser

Prerequisites

• Rexical (rex)
• Racc

Available commands

• rake lexer - generates lexer.rb file based on specification.rex file
• rake parser - generates parser.rb file based on grammar.y file
• rake generate - generates lexer.rb and parser.rb files

Testing

To run only lexer tests, execute : rspec spec/query_lexer_spec.rb To run only parser tests, execute : rspec spec/query_parser_spec.rb

To run all tests, execute : rake spec