Class: Grammar::Ruby::Code::Begin

Inherits:
List show all
Defined in:
lib/grammar/ruby/code.rb

Constant Summary

Constants inherited from Grammar::Ruby::Code

False, FalseTerminator, Implicit, Nil, Self, True

Instance Method Summary collapse

Methods inherited from List

#_codes, #_paren

Methods inherited from Grammar::Ruby::Code

[], #_and, #_assign, #_classname, #_code_self, #_codes, #_data, #_dot, #_equal, #_immediate, #_inspect, #_locals, #_mid, #_not, #_or, #_question, #_rand, #_rcond, #_ror, #_rstep, #_splat, #_step, #_to_block, #_unless, #_until, #_while, #method_missing

Constructor Details

#initialize(body) ⇒ Begin

Returns a new instance of Begin.



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# File 'lib/grammar/ruby/code.rb', line 904

def initialize(body)
    @footer = 0
    super([body])
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Grammar::Ruby::Code

Instance Method Details

#_always ⇒ Object 



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# File 'lib/grammar/ruby/code.rb', line 944

def _always
    false
end

#_def(name, *args) ⇒ Object 



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# File 'lib/grammar/ruby/code.rb', line 941

def _def(name, *args)
    Def.new(name.to_s, args, Steps.new(@operands))
end

#_else(after) ⇒ Object 



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# File 'lib/grammar/ruby/code.rb', line 935

def _else(after)
    return(super) if @footer>=3
    @footer = 3
    @operands << Dedented.new("else") << after
    self
end

#_ensure(after) ⇒ Object 



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# File 'lib/grammar/ruby/code.rb', line 929

def _ensure(after)
    return(super) if @footer>=2
    @footer = 2
    @operands << Dedented.new("ensure") << after
    self
end

#_lines(text, indent = 0, op = nil, maxlen = 72) ⇒ Object 



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# File 'lib/grammar/ruby/code.rb', line 914

def _lines(text, indent=0, op=nil, maxlen=72)
    text.last.concat("begin ")
    if super(text, indent+2, nil, maxlen)
        text.last.concat(" end")
    else
        text << indent << "end"
        nil
    end
end

#_never ⇒ Object 



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# File 'lib/grammar/ruby/code.rb', line 947

def _never
    false
end

#_operator ⇒ Object 



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# File 'lib/grammar/ruby/code.rb', line 908

def _operator
    nil
end

#_operator0 ⇒ Object 



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# File 'lib/grammar/ruby/code.rb', line 911

def _operator0
    "; "
end

#_rescue(after, exception = nil, var = nil) ⇒ Object 



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# File 'lib/grammar/ruby/code.rb', line 923

def _rescue(after, exception=nil, var=nil)
    return(super) if @footer>1
    @footer = 1
    @operands << Rescue.new(exception, var) << after
    self
end