Class: Platform::IEL::SexpParser::Node

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/introhive_expression_language/iel/sexp_parser.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(kind, source, value = nil, context = nil) ⇒ Node

Returns a new instance of Node.



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 97

def initialize(kind, source, value=nil, context=nil)
  @kind = kind
  @source = source
  @value = value
  @context = context
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 95

def context
  @context
end

#kind ⇒ Object (readonly)

Returns the value of attribute kind.



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 95

def kind
  @kind
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 95

def source
  @source
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 95

def value
  @value
end

Class Method Details

.boolean(boolean_value, source = 0, context = nil) ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 154

def self.boolean(boolean_value, source = 0, context = nil)
  new(:boolean, source, boolean_value)
end

.list(contents, source = 0, context = nil) ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 146

def self.list(contents, source = 0, context = nil)
  new(:list, source, contents)
end

.nan(source = 0, context = nil) ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 142

def self.nan(source = 0, context = nil)
  new(:nan, source)
end

.nil(source = 0, context = nil) ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 150

def self.nil(source = 0, context = nil)
  new(:nil, source)
end

.numeric_literal(n, source = 0, context = nil) ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 138

def self.numeric_literal(n, source = 0, context = nil)
  new(:numeric_literal, source, n)
end

.string_literal(str, source = 0, context = nil) ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 134

def self.string_literal(str, source = 0, context = nil)
  new(:string_literal, source, str)
end

.symbol(symbol_name, source = 0, context = nil) ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 130

def self.symbol(symbol_name, source = 0, context = nil)
  new(:symbol, source, symbol_name)
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 112

def <=>(other)
  [kind, value] <=> [other.kind, other.value]
end

#inspect ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 116

def inspect
  if value.is_a? Array
    "[#{value.map { |item| item.inspect}.join(', ')}]"
  elsif kind == :symbol
    ":#{value}"
  elsif kind == :nil
    'nil'
  elsif kind == :nan
    'nan'
  else
    value.inspect
  end
end

#source_desc ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 104

def source_desc
  if context
    context.code_line(@source)
  else
    " Offset #{@source}"
  end
end

#to_s ⇒ Object 



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# File 'lib/introhive_expression_language/iel/sexp_parser.rb', line 158

def to_s
  value
end