Class: Alf::Algebra::Compiler

Inherits:

Object

• Object
• Alf::Algebra::Compiler

Includes:

Visitor

Defined in:

lib/alf/algebra/support/compiler.rb

Direct Known Subclasses

Update::Deleter, Update::Inserter, Update::Updater

Instance Method Summary

• #apply(expr, *args, &bl) ⇒ Object

  copy all default implementation.

• #call(expr, *args, &bl) ⇒ Object

  public interface.

• #not_supported(expr, *args, &bl) ⇒ Object
• #on_missing(expr, *args, &bl) ⇒ Object

Methods included from Visitor

#copy_and_apply

Instance Method Details

#apply(expr, *args, &bl) ⇒ Object

copy all default implementation

# File 'lib/alf/algebra/support/compiler.rb', line 14

def apply(expr, *args, &bl)
  send to_method_name(expr, "on_"), expr, *args, &bl
end

#call(expr, *args, &bl) ⇒ Object

public interface

# File 'lib/alf/algebra/support/compiler.rb', line 8

def call(expr, *args, &bl)
  apply(expr, *args, &bl)
end

#not_supported(expr, *args, &bl) ⇒ Object

Raises:

• (NotSupportedError)

# File 'lib/alf/algebra/support/compiler.rb', line 22

def not_supported(expr, *args, &bl)
  raise NotSupportedError, "Unexpected operand `#{expr}`"
end

#on_missing(expr, *args, &bl) ⇒ Object

Raises:

• (NotSupportedError)

# File 'lib/alf/algebra/support/compiler.rb', line 18

def on_missing(expr, *args, &bl)
  raise NotSupportedError, "Unable to compile `#{expr}`"
end