Class: Code::Parser::Call

Inherits:
Language show all
Defined in:
lib/code/parser/call.rb

Instance Method Summary collapse

Methods inherited from Language

<<, >>, absent, aka, #any, ignore, #inspect, maybe, parse, #parse, repeat, #str, then, #to_s, |

Instance Method Details

#argument ⇒ Object 



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# File 'lib/code/parser/call.rb', line 72

def argument
  keyword_argument | regular_argument
end

#arguments ⇒ Object 



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# File 'lib/code/parser/call.rb', line 76

def arguments
  opening_parenthesis.ignore << whitespace? << argument.repeat(0, 1) <<
    (comma << whitespace? << argument << whitespace?).repeat <<
    whitespace? << closing_parenthesis.ignore.maybe
end

#block ⇒ Object 



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# File 'lib/code/parser/call.rb', line 102

def block
  (
    do_keyword << whitespace? << parameters.aka(:parameters).maybe <<
      code.aka(:body) << end_keyword.maybe
  ) |
    (
      opening_curly_bracket << whitespace? <<
        parameters.aka(:parameters).maybe << code.aka(:body) <<
        closing_curly_bracket.maybe
    )
end

#closing_curly_bracket ⇒ Object 



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# File 'lib/code/parser/call.rb', line 44

def closing_curly_bracket
  str("}")
end

#closing_parenthesis ⇒ Object 



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# File 'lib/code/parser/call.rb', line 52

def closing_parenthesis
  str(")")
end

#code ⇒ Object 



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# File 'lib/code/parser/call.rb', line 16

def code
  ::Code::Parser::Code
end

#code_present ⇒ Object 



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# File 'lib/code/parser/call.rb', line 20

def code_present
  ::Code::Parser::Code.new.present
end

#colon ⇒ Object 



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# File 'lib/code/parser/call.rb', line 24

def colon
  str(":")
end

#comma ⇒ Object 



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# File 'lib/code/parser/call.rb', line 28

def comma
  str(",")
end

#do_keyword ⇒ Object 



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# File 'lib/code/parser/call.rb', line 56

def do_keyword
  str("do")
end

#end_keyword ⇒ Object 



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# File 'lib/code/parser/call.rb', line 60

def end_keyword
  str("end")
end

#equal ⇒ Object 



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# File 'lib/code/parser/call.rb', line 36

def equal
  str("=")
end

#keyword_argument ⇒ Object 



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# File 'lib/code/parser/call.rb', line 64

def keyword_argument
  name.aka(:name) << colon << code_present.aka(:value)
end

#keyword_parameter ⇒ Object 



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# File 'lib/code/parser/call.rb', line 82

def keyword_parameter
  name.aka(:name) << whitespace? << colon.aka(:keyword) <<
    code_present.aka(:default).maybe
end

#name ⇒ Object 



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# File 'lib/code/parser/call.rb', line 4

def name
  ::Code::Parser::Name
end

#opening_curly_bracket ⇒ Object 



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# File 'lib/code/parser/call.rb', line 40

def opening_curly_bracket
  str("{")
end

#opening_parenthesis ⇒ Object 



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# File 'lib/code/parser/call.rb', line 48

def opening_parenthesis
  str("(")
end

#parameter ⇒ Object 



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# File 'lib/code/parser/call.rb', line 92

def parameter
  keyword_parameter | regular_parameter
end

#parameters ⇒ Object 



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# File 'lib/code/parser/call.rb', line 96

def parameters
  pipe.ignore << whitespace? << parameter.repeat(0, 1) <<
    (whitespace? << comma << whitespace? << parameter).repeat <<
    whitespace? << pipe.ignore.maybe
end

#pipe ⇒ Object 



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# File 'lib/code/parser/call.rb', line 32

def pipe
  str("|")
end

#regular_argument ⇒ Object 



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# File 'lib/code/parser/call.rb', line 68

def regular_argument
  code_present.aka(:value)
end

#regular_parameter ⇒ Object 



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# File 'lib/code/parser/call.rb', line 87

def regular_parameter
  name.aka(:name) << whitespace? <<
    (equal << whitespace? << code_present.aka(:default)).maybe
end

#root ⇒ Object 



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# File 'lib/code/parser/call.rb', line 114

def root
  (
    name.aka(:name) << (whitespace? << arguments.aka(:arguments)).maybe <<
      (whitespace? << block.aka(:block)).maybe
  ).aka(:call)
end

#whitespace ⇒ Object 



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# File 'lib/code/parser/call.rb', line 8

def whitespace
  ::Code::Parser::Whitespace
end

#whitespace? ⇒ Boolean

Returns:



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# File 'lib/code/parser/call.rb', line 12

def whitespace?
  whitespace.maybe
end