Class: CodeTools::AST::Send
Direct Known Subclasses
AccessUndefined, BlockGiven, SendPrivately, SendWithArguments
Instance Attribute Summary collapse
-
#block ⇒ Object
Returns the value of attribute block.
-
#name ⇒ Object
Returns the value of attribute name.
-
#privately ⇒ Object
Returns the value of attribute privately.
-
#receiver ⇒ Object
Returns the value of attribute receiver.
-
#variable ⇒ Object
Returns the value of attribute variable.
-
#vcall_style ⇒ Object
Returns the value of attribute vcall_style.
Attributes inherited from Node
Instance Method Summary collapse
- #arguments_sexp ⇒ Object
- #bytecode(g) ⇒ Object
- #check_local_reference(g) ⇒ Object
- #defined(g) ⇒ Object
-
#initialize(line, receiver, name, privately = false, vcall_style = false) ⇒ Send
constructor
A new instance of Send.
- #receiver_sexp ⇒ Object
- #sexp_name ⇒ Object
- #to_sexp ⇒ Object
- #value_defined(g, f) ⇒ Object
Methods inherited from Node
#ascii_graph, #attributes, #children, match_arguments?, match_send?, #new_block_generator, #new_generator, #node_name, #or_bytecode, #pos, #set_child, transform, #transform, transform_comment, transform_kind, transform_kind=, transform_name, #visit, #walk
Constructor Details
#initialize(line, receiver, name, privately = false, vcall_style = false) ⇒ Send
Returns a new instance of Send.
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# File 'lib/rubinius/code/ast/sends.rb', line 8 def initialize(line, receiver, name, privately=false, vcall_style=false) @line = line @receiver = receiver @name = name @privately = privately @block = nil @vcall_style = vcall_style end |
Instance Attribute Details
#block ⇒ Object
Returns the value of attribute block.
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# File 'lib/rubinius/code/ast/sends.rb', line 6 def block @block end |
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/rubinius/code/ast/sends.rb', line 6 def name @name end |
#privately ⇒ Object
Returns the value of attribute privately.
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# File 'lib/rubinius/code/ast/sends.rb', line 6 def privately @privately end |
#receiver ⇒ Object
Returns the value of attribute receiver.
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# File 'lib/rubinius/code/ast/sends.rb', line 6 def receiver @receiver end |
#variable ⇒ Object
Returns the value of attribute variable.
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# File 'lib/rubinius/code/ast/sends.rb', line 6 def variable @variable end |
#vcall_style ⇒ Object
Returns the value of attribute vcall_style.
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# File 'lib/rubinius/code/ast/sends.rb', line 6 def vcall_style @vcall_style end |
Instance Method Details
#arguments_sexp ⇒ Object
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# File 'lib/rubinius/code/ast/sends.rb', line 112 def arguments_sexp sexp = [:arglist] sexp << @block.to_sexp if @block sexp end |
#bytecode(g) ⇒ Object
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# File 'lib/rubinius/code/ast/sends.rb', line 23 def bytecode(g) pos(g) if @vcall_style if reference = check_local_reference(g) return reference.get_bytecode(g) end else @receiver.bytecode(g) end if @block @block.bytecode(g) g.send_with_block @name, 0, @privately elsif @vcall_style g.send_vcall @name else g.send @name, 0, @privately end end |
#check_local_reference(g) ⇒ Object
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# File 'lib/rubinius/code/ast/sends.rb', line 17 def check_local_reference(g) if @receiver.kind_of? Self and g.state.check_for_locals g.state.scope.search_local(@name) end end |
#defined(g) ⇒ Object
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# File 'lib/rubinius/code/ast/sends.rb', line 69 def defined(g) if @block.kind_of? For @block.defined(g) return end if @vcall_style and check_local_reference(g) g.push_literal "local-variable" return end f = g.new_label done = g.new_label @receiver.value_defined(g, f) g.push_literal @name if @vcall_style or @privately g.push_true g.send :__respond_to_p__, 2 else g.push_self g.invoke_primitive :vm_check_callable, 3 end g.goto_if_false f g.push_literal "method" g.goto done f.set! g.push_nil done.set! end |
#receiver_sexp ⇒ Object
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# File 'lib/rubinius/code/ast/sends.rb', line 108 def receiver_sexp @privately ? nil : @receiver.to_sexp end |
#sexp_name ⇒ Object
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# File 'lib/rubinius/code/ast/sends.rb', line 104 def sexp_name :call end |
#to_sexp ⇒ Object
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# File 'lib/rubinius/code/ast/sends.rb', line 118 def to_sexp case @block when For n, x, b = @block.to_sexp xs = @receiver.to_sexp [n, x, xs, b] else [sexp_name, receiver_sexp, @name, arguments_sexp] end end |
#value_defined(g, f) ⇒ Object
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# File 'lib/rubinius/code/ast/sends.rb', line 44 def value_defined(g, f) # Save the current exception into a stack local g.push_exception_state outer_exc_state = g.new_stack_local g.set_stack_local outer_exc_state g.pop ok = g.new_label ex = g.new_label g.setup_unwind ex, RescueType bytecode(g) g.pop_unwind g.goto ok ex.set! g.clear_exception g.push_stack_local outer_exc_state g.restore_exception_state g.goto f ok.set! end |