19 lines
609 B
Ruby
19 lines
609 B
Ruby
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module Parser
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module Expression
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include Parslet
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rule(:assignment) { name.as(:asignee) >> equal_sign >> expression.as(:asigned) }
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rule(:simple_expression) { function_call | integer | string | name }
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rule(:expression) { (conditional | simple_expression ) >> newline.maybe }
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def delimited_expressions( delimit )
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( (delimit.absent? >> (assignment | expression)).repeat(1)).as(:expressions) >> delimit >> newline.maybe
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end
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rule(:expressions_else) { delimited_expressions(keyword_else) }
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rule(:expressions_end) { delimited_expressions(keyword_end) }
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end
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end
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