Class: AbstractSyntaxTree

Inherits:
Object
  • Object
show all
Defined in:
lib/AbstractSyntaxTree.rb

Instance Method Summary collapse

Constructor Details

#initialize(ast, interpretation_context) ⇒ AbstractSyntaxTree

Returns a new instance of AbstractSyntaxTree.



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# File 'lib/AbstractSyntaxTree.rb', line 2

def initialize(ast,interpretation_context) rebind(ImmutableQueue.empty.push(ast), interpretation_context) end

Instance Method Details

#[](i) ⇒ Object 



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# File 'lib/AbstractSyntaxTree.rb', line 27

def [](i) @production[i] end

#[]=(i, v) ⇒ Object 



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# File 'lib/AbstractSyntaxTree.rb', line 28

def []=(i,v) @production[i] = v end

#data ⇒ Object 



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# File 'lib/AbstractSyntaxTree.rb', line 32

def data() return @data if @data
@data = case
when self_production_is_call? then
 @production[2]
else
 @production
end
end

#each_production {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/AbstractSyntaxTree.rb', line 40

def each_production() yield(self)
if production.instance_of?((Sexp or production.instance_of?(Array))) then
 @queue = @queue.push_array(production)
end
while @queue.!=(ImmutableQueue.empty) do
 rebind(@queue, @interpretation_context)
 yield(self)
 if production.instance_of?((Sexp or production.instance_of?(Array))) then
   @queue = @queue.push_array(production)
 end
end
end

#first ⇒ Object 



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# File 'lib/AbstractSyntaxTree.rb', line 31

def first() @production.first end

#last ⇒ Object 



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# File 'lib/AbstractSyntaxTree.rb', line 30

def last() @production.last end

#length ⇒ Object 



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# File 'lib/AbstractSyntaxTree.rb', line 29

def length() @production.length end

#type ⇒ Object 



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# File 'lib/AbstractSyntaxTree.rb', line 3

def type() case
when (nil == production) then
  nil
when self_production_is_block_with_bind? then
  Tokens.block_with_bind
when self_production_is_block? then
  Tokens.block
when (production.instance_of?(Fixnum) or production.instance_of?(Symbol)) then
  Tokens.terminal
when self_production_is_rolemethod_call? then
  Tokens.rolemethod_call
when self_production_is_role? then
  Tokens.role
when self_production_is_indexer? then
  Tokens.indexer
when self_production_is_const? then
  Tokens.const
when self_production_is_initializer? then
  Tokens.initializer
when self_production_is_call? then
  Tokens.call
else
  Tokens.other
end end