Class: Opal::Nodes::Match3Node
- Defined in:
- opal/lib/opal/nodes/call_special.rb
Overview
/regexp/ =~ rhs s(:match_with_lvasgn, lhs, rhs)
Instance Attribute Summary
Attributes inherited from Base
Attributes included from Closure::NodeSupport
Instance Method Summary collapse
Methods inherited from Base
#add_gvar, #add_ivar, #add_local, #add_temp, #children, children, #class_variable_owner, #class_variable_owner_nesting_level, #comments, #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 ⇒ Object
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# File 'opal/lib/opal/nodes/call_special.rb', line 70 def compile sexp = s(:send, lhs, :=~, rhs) # Handle named matches like: /(?<abc>b)/ =~ 'b' if lhs.type == :regexp && lhs.children.first.type == :str re = lhs.children.first.children.first names = re.scan(/\(\?<([^>]*)>/).flatten.map(&:to_sym) unless names.empty? # $m3names = $~ ? $~.named_captures : {} names_def = s(:lvasgn, :$m3names, s(:if, s(:gvar, :$~), s(:send, s(:gvar, :$~), :named_captures), s(:hash) ) ) names = names.map do |name| # abc = $m3names[:abc] s(:lvasgn, name, s(:send, s(:lvar, :$m3names), :[], s(:sym, name) ) ) end if stmt? # We don't care about a return value of this one, so we # ignore it and just assign the local variables. # # (/(?<abc>b)/ =~ 'f') # $m3names = $~ ? $~.named_captures : {} # abc = $m3names[:abc] sexp = s(:begin, sexp, names_def, *names) else # We actually do care about a return value, so we must # keep it saved. # # $m3tmp = (/(?<abc>b)/ =~ 'f') # $m3names = $~ ? $~.named_captures : {} # abc = $m3names[:abc] # $m3tmp sexp = s(:begin, s(:lvasgn, :$m3tmp, sexp), names_def, *names, s(:lvar, :$m3tmp) ) end end end push process(sexp, @level) end |