2020-01-21 12:08:37 +00:00
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# parser
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2020-01-23 19:16:16 +01:00
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### Prerequisites
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2020-01-23 09:05:32 +01:00
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* Rexical (rex)
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2020-01-23 19:16:16 +01:00
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* Racc
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2020-01-23 09:05:32 +01:00
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2020-01-23 19:16:16 +01:00
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### Available commands
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2020-01-23 09:05:32 +01:00
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* `rake lexer` - generates `lexer.rb` file based on `specification.rex` file
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2020-01-23 19:16:16 +01:00
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* `rake parser` - generates `parser.rb` file based on `grammar.y` file
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* `rake generate` - generates `lexer.rb` and `parser.rb` files
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2020-01-23 09:05:32 +01:00
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2020-01-23 19:16:16 +01:00
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### Testing
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2020-01-23 09:05:32 +01:00
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To run only `lexer` tests, execute : `rspec spec/query_lexer_spec.rb`
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2020-01-23 19:16:16 +01:00
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To run only `parser` tests, execute : `rspec spec/query_parser_spec.rb`
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2020-01-23 09:05:32 +01:00
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To run all tests, execute : `rake spec`
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