Class: Opal::Nodes::CallNode
- Defined in:
- opal/lib/opal/nodes/call.rb,
opal/lib/mspec/opal/special_calls.rb
Direct Known Subclasses
Defined Under Namespace
Classes: DependencyResolver
Constant Summary
- SPECIALS =
{}
- OPERATORS =
Operators that get optimized by compiler
{ :+ => :plus, :- => :minus, :* => :times, :/ => :divide, :< => :lt, :<= => :le, :> => :gt, :>= => :ge }
Constants included from Helpers
Helpers::BASIC_IDENTIFIER_RULES, Helpers::ES3_RESERVED_WORD_EXCLUSIVE, Helpers::ES51_RESERVED_WORD, Helpers::IMMUTABLE_PROPS
Instance Attribute Summary
Attributes inherited from Base
Class Method Summary collapse
Instance Method Summary collapse
- #attr_assignment? ⇒ Boolean
- #compile ⇒ Object
- #compile_assignment ⇒ Object
- #compile_default! ⇒ Object
- #compile_default? ⇒ Boolean
-
#compile_irb_var ⇒ Object
Used to generate the code to use this sexp as an ivar var reference.
- #default_compile ⇒ Object
-
#handle_special ⇒ Object
Handle "special" method calls, e.g.
- #recv_sexp ⇒ Object
-
#using_irb? ⇒ Boolean
a variable reference in irb mode in top scope might be a var ref, or it might be a method call.
Methods inherited from Base
#add_gvar, #add_ivar, #add_local, #add_temp, children, #children, #compile_to_fragments, #error, #expr, #expr?, #expr_or_nil, #fragment, handle, handlers, #helper, #in_while?, #initialize, #process, #push, #recv, #recv?, #s, #scope, #stmt, #stmt?, #unshift, #while_loop, #with_temp, #wrap
Methods included from Helpers
#current_indent, #empty_line, #indent, #js_falsy, #js_truthy, #js_truthy_optimize, #line, #lvar_to_js, #mid_to_jsid, #property, #valid_name?, #variable
Constructor Details
This class inherits a constructor from Opal::Nodes::Base
Class Method Details
Instance Method Details
#attr_assignment? ⇒ Boolean
92 93 94 |
# File 'opal/lib/opal/nodes/call.rb', line 92 def attr_assignment? @assignment ||= meth.to_s =~ /^[\da-z]+\=$/i end |
#compile ⇒ Object
24 25 26 27 28 29 30 31 32 33 34 35 36 37 |
# File 'opal/lib/opal/nodes/call.rb', line 24 def compile # handle some methods specially handle_special # some special methods need to skip compilation return unless compile_default? compiler.method_calls << meth.to_sym # if trying to access an lvar in irb mode return compile_irb_var if using_irb? default_compile end |
#compile_assignment ⇒ Object
105 106 107 108 109 110 111 112 113 114 115 116 |
# File 'opal/lib/opal/nodes/call.rb', line 105 def compile_assignment with_temp do |args_tmp| with_temp do |recv_tmp| args = expr(arglist) mid = mid_to_jsid meth.to_s push "((#{args_tmp} = [", args, "]), "+ "#{recv_tmp} = ", recv(recv_sexp), ", ", recv_tmp, mid, ".apply(#{recv_tmp}, #{args_tmp}), "+ "#{args_tmp}[#{args_tmp}.length-1])" end end end |
#compile_default! ⇒ Object
139 140 141 |
# File 'opal/lib/opal/nodes/call.rb', line 139 def compile_default! @compile_default = true end |
#compile_default? ⇒ Boolean
143 144 145 |
# File 'opal/lib/opal/nodes/call.rb', line 143 def compile_default? @compile_default end |
#compile_irb_var ⇒ Object
Used to generate the code to use this sexp as an ivar var reference
97 98 99 100 101 102 103 |
# File 'opal/lib/opal/nodes/call.rb', line 97 def compile_irb_var with_temp do |tmp| lvar = variable(meth) call = s(:call, s(:self), meth.intern, s(:arglist)) push "((#{tmp} = Opal.irb_vars.#{lvar}) == null ? ", expr(call), " : #{tmp})" end end |
#default_compile ⇒ Object
39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 |
# File 'opal/lib/opal/nodes/call.rb', line 39 def default_compile mid = mid_to_jsid meth.to_s splat = arglist[1..-1].any? { |a| a.first == :splat } if Sexp === arglist.last and arglist.last.type == :block_pass block = arglist.pop elsif iter block = iter end blktmp = scope.new_temp if block tmprecv = scope.new_temp if splat || blktmp # must do this after assigning temp variables block = expr(block) if block recv_code = recv(recv_sexp) call_recv = s(:js_tmp, tmprecv || recv_code) if blktmp and !splat arglist.insert 1, call_recv end args = expr(arglist) if tmprecv push "(#{tmprecv} = ", recv_code, ")#{mid}" else push recv_code, mid end if blktmp unshift "(#{blktmp} = " push ", #{blktmp}.$$p = ", block, ", #{blktmp})" end if splat push ".apply(", (tmprecv || recv_code), ", ", args, ")" elsif blktmp push ".call(", args, ")" else push "(", args, ")" end scope.queue_temp blktmp if blktmp end |
#handle_special ⇒ Object
Handle "special" method calls, e.g. require(). Subclasses can override this method. If this method returns nil, then the method will continue to be generated by CallNode.
127 128 129 130 131 132 133 134 135 136 137 |
# File 'opal/lib/opal/nodes/call.rb', line 127 def handle_special @compile_default = true if SPECIALS.include? meth @compile_default = false __send__("handle_#{meth}") elsif RuntimeHelpers.compatible?(recvr, meth, arglist) @compile_default = false push(RuntimeHelpers.new(@sexp, @level, @compiler).compile) end end |
#recv_sexp ⇒ Object
88 89 90 |
# File 'opal/lib/opal/nodes/call.rb', line 88 def recv_sexp recvr || s(:self) end |
#using_irb? ⇒ Boolean
a variable reference in irb mode in top scope might be a var ref, or it might be a method call
120 121 122 |
# File 'opal/lib/opal/nodes/call.rb', line 120 def using_irb? @compiler.irb? and scope.top? and arglist == s(:arglist) and recvr.nil? and iter.nil? end |