Class: Duby::AST::Script

Inherits:
Node show all
Includes:
Scope
Defined in:
lib/duby/compiler.rb,
lib/duby/ast/structure.rb

Instance Attribute Summary collapse

Attributes inherited from Node

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

Instance Method Summary collapse

Methods inherited from Node

#[], #each, #expr?, #inspect, #line_number, #log, #precompile, #resolve_if, #resolved!, #resolved?, #simple_name, #temp, #to_s

Constructor Details

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

Returns a new instance of Script.



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# File 'lib/duby/ast/structure.rb', line 35

def initialize(parent, line_number, &block)
  super(parent, line_number, children, &block)
  @body = children[0]
end

Instance Attribute Details

#body ⇒ Object

Returns the value of attribute body.



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# File 'lib/duby/ast/structure.rb', line 33

def body
  @body
end

Instance Method Details

#compile(compiler, expression) ⇒ Object 



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# File 'lib/duby/compiler.rb', line 96

def compile(compiler, expression)
  # TODO: what does it mean for a script to be an expression? possible?
  compiler.define_main(body)
end

#infer(typer) ⇒ Object 



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# File 'lib/duby/ast/structure.rb', line 40

def infer(typer)
  @inferred_type ||= typer.infer(body) || (typer.defer(self); nil)
end