Class: Mirah::AST::Return

Inherits:
Node
  • Object
show all
Includes:
Valued
Defined in:
lib/mirah/ast/flow.rb,
lib/mirah/compiler/flow.rb,
lib/mirah/jvm/source_generator/precompile.rb

Instance Attribute Summary

Attributes included from Valued

#value

Attributes included from Typed

#type

Attributes inherited from Node

#children, #inferred_type, #newline, #parent, #position

Instance Method Summary collapse

Methods inherited from Node

#<<, ===, #[], #[]=, #_dump, _load, #_set_parent, child, child_name, #child_nodes, #each, #empty?, #inferred_type!, #initialize_copy, #insert, #inspect, #inspect_children, #line_number, #log, #precompile, #resolve_if, #resolved!, #resolved?, #simple_name, #string_value, #temp, #to_s, #top_level?, #validate_child, #validate_children

Constructor Details

#initialize(parent, line_number, &block) ⇒ Return

Returns a new instance of Return.



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# File 'lib/mirah/ast/flow.rb', line 191

def initialize(parent, line_number, &block)
  super(parent, line_number, &block)
end

Instance Method Details

#compile(compiler, expression) ⇒ Object 



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# File 'lib/mirah/compiler/flow.rb', line 47

def compile(compiler, expression)
  compiler.line(line_number)
  compiler.return(self)
rescue Exception => ex
  raise Mirah::InternalCompilerError.wrap(ex, self)
end

#expr?(compiler) ⇒ Boolean

Returns:



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# File 'lib/mirah/jvm/source_generator/precompile.rb', line 176

def expr?(compiler)
  false
end

#infer(typer, expression) ⇒ Object 



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# File 'lib/mirah/ast/flow.rb', line 195

def infer(typer, expression)
  resolve_if(typer) do
    if value
      typer.infer(value, true)
    else
      typer.no_type
    end
  end
end