Class: Opal::Nodes::BaseYieldNode
- Defined in:
- opal/lib/opal/nodes/yield.rb
Direct Known Subclasses
Instance Attribute Summary
Attributes inherited from Base
Attributes included from Closure::NodeSupport
Instance Method Summary collapse
- #compile_call ⇒ Object
- #find_yielding_scope ⇒ Object
- #uses_splat?(children) ⇒ Boolean
- #yields_single_arg?(children) ⇒ Boolean
Methods inherited from Base
#add_gvar, #add_ivar, #add_local, #add_temp, #children, children, #class_variable_owner, #class_variable_owner_nesting_level, #comments, #compile, #compile_to_fragments, #error, #expr, #expr?, #expr_or_empty, #expr_or_nil, #fragment, handle, handlers, #has_rescue_else?, #helper, #in_ensure, #in_ensure?, #in_resbody, #in_resbody?, #in_rescue, #in_while?, #initialize, #process, #push, #recv, #recv?, #s, #scope, #source_location, #stmt, #stmt?, #top_scope, truthy_optimize?, #unshift, #while_loop, #with_temp, #wrap
Methods included from Closure::NodeSupport
#closure_is?, #compile_catcher, #generate_thrower, #generate_thrower_without_catcher, #in_closure, #pop_closure, #push_closure, #select_closure, #thrower
Methods included from Helpers
#current_indent, #empty_line, #indent, #js_truthy, #js_truthy_optimize, #line, #mid_to_jsid, #property, #valid_name?
Constructor Details
This class inherits a constructor from Opal::Nodes::Base
Instance Method Details
#compile_call ⇒ Object
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# File 'opal/lib/opal/nodes/yield.rb', line 8 def compile_call yielding_scope = find_yielding_scope yielding_scope.uses_block! yielding_scope.block_name ||= '$yield' block_name = yielding_scope.block_name if yields_single_arg?(children) push expr(children.first) wrap "Opal.yield1(#{block_name}, ", ')' else push expr(s(:arglist, *children)) if uses_splat?(children) wrap "Opal.yieldX(#{block_name}, ", ')' else wrap "Opal.yieldX(#{block_name}, [", '])' end end end |
#find_yielding_scope ⇒ Object
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# File 'opal/lib/opal/nodes/yield.rb', line 30 def find_yielding_scope working = scope while working if working.block_name || working.def? break end working = working.parent end working end |
#uses_splat?(children) ⇒ Boolean
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# File 'opal/lib/opal/nodes/yield.rb', line 46 def uses_splat?(children) children.any? { |child| child.type == :splat } end |
#yields_single_arg?(children) ⇒ Boolean
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# File 'opal/lib/opal/nodes/yield.rb', line 42 def yields_single_arg?(children) !uses_splat?(children) && children.size == 1 end |