Class: Ibex::IR::GrammarSymbol

Inherits:
Object
  • Object
show all
Defined in:
lib/ibex/ir/grammar_ir.rb

Overview

An interned terminal or nonterminal.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(id:, name:, kind:, reserved: false, precedence: nil, location: nil, display_name: nil, semantic_type: nil, documentation: nil) ⇒ GrammarSymbol

Returns a new instance of GrammarSymbol.



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# File 'lib/ibex/ir/grammar_ir.rb', line 44

def initialize(id:, name:, kind:, reserved: false, precedence: nil, location: nil, display_name: nil,
               semantic_type: nil, documentation: nil)
  @id = id
  @name = name.dup.freeze
  @kind = kind.to_sym
  @reserved = reserved
  @precedence = IR.deep_freeze(precedence)
  @location = IR.deep_freeze(location)
  @display_name = display_name&.dup&.freeze
  @semantic_type = semantic_type&.dup&.freeze
  @documentation = documentation&.dup&.freeze
  freeze
end

Instance Attribute Details

#display_name ⇒ Object (readonly)

: String?



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# File 'lib/ibex/ir/grammar_ir.rb', line 38

def display_name
  @display_name
end

#documentation ⇒ Object (readonly)

: String?



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# File 'lib/ibex/ir/grammar_ir.rb', line 40

def documentation
  @documentation
end

#id ⇒ Object (readonly)

: Integer



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# File 'lib/ibex/ir/grammar_ir.rb', line 32

def id
  @id
end

#kind ⇒ Object (readonly)

: Symbol



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# File 'lib/ibex/ir/grammar_ir.rb', line 34

def kind
  @kind
end

#location ⇒ Object (readonly)

: location?



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# File 'lib/ibex/ir/grammar_ir.rb', line 37

def location
  @location
end

#name ⇒ Object (readonly)

: String



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# File 'lib/ibex/ir/grammar_ir.rb', line 33

def name
  @name
end

#precedence ⇒ Object (readonly)

: precedence?



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# File 'lib/ibex/ir/grammar_ir.rb', line 36

def precedence
  @precedence
end

#reserved ⇒ Object (readonly)

: bool



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# File 'lib/ibex/ir/grammar_ir.rb', line 35

def reserved
  @reserved
end

#semantic_type ⇒ Object (readonly)

: String?



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# File 'lib/ibex/ir/grammar_ir.rb', line 39

def semantic_type
  @semantic_type
end

Instance Method Details

#nonterminal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ibex/ir/grammar_ir.rb', line 61

def nonterminal? = @kind == :nonterminal

#terminal? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ibex/ir/grammar_ir.rb', line 59

def terminal? = @kind == :terminal
# @rbs () -> bool

#to_h ⇒ Object 



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# File 'lib/ibex/ir/grammar_ir.rb', line 64

def to_h
  value = { id: @id, name: @name, kind: @kind, reserved: @reserved,
            prec: @precedence, loc: @location } #: Hash[Symbol, Object?]
  value[:display_name] = @display_name if @display_name
  value[:semantic_type] = @semantic_type if @semantic_type
  value[:doc] = @documentation
  value
end