41 lines
1013 B
Plaintext
41 lines
1013 B
Plaintext
grammar Expression
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include Keywords
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rule more_args
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list:(comma basic_expression )*
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end
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rule argument_list
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(left_parenthesis basic_expression? more_args? right_parenthesis){
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[ capture(:basic_expression).value ]
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}
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end
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rule call_site
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(basic_expression "." name_expression argument_list space?) {
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Ast::CallSiteExpression.new(capture(:name_expression).to_str ,
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capture(:argument_list).value ,
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capture(:basic_expression).value )
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}
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end
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rule value_expression
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call_site | basic_expression
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end
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rule expression
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# (simple_return | while_do | conditional | operator_expression | call_site ) >> newline
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(call_site ) newline
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end
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rule function_definition
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keyword_def name:function_name parameter_list newline expressions_end newline
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end
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rule parameter_list
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left_parenthesis parameter_list:( name:parameter? (comma name:parameter)* ) right_parenthesis
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end
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root call_site
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end
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