Class: SyntaxTree::YARV::ObjToString

Inherits:
Object
  • Object
show all
Defined in:
lib/syntax_tree/yarv/instructions.rb

Overview

### Summary

objtostring pops a value from the stack, calls to_s on that value and then pushes the result back to the stack.

It has various fast paths for classes like String, Symbol, Module, Class, etc. For everything else it calls to_s.

### Usage

~~~ruby “#5” ~~~

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(calldata) ⇒ ObjToString

Returns a new instance of ObjToString.



2749
2750
2751
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 2749

def initialize(calldata)
  @calldata = calldata
end

Instance Attribute Details

#calldata ⇒ Object (readonly)

Returns the value of attribute calldata.



2747
2748
2749
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 2747

def calldata
  @calldata
end

Instance Method Details

#==(other) ⇒ Object 



2765
2766
2767
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 2765

def ==(other)
  other.is_a?(ObjToString) && other.calldata == calldata
end

#call(vm) ⇒ Object 



2785
2786
2787
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 2785

def call(vm)
  vm.push(vm.pop.to_s)
end

#canonical ⇒ Object 



2781
2782
2783
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 2781

def canonical
  self
end

#deconstruct_keys(_keys) ⇒ Object 



2761
2762
2763
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 2761

def deconstruct_keys(_keys)
  { calldata: calldata }
end

#disasm(fmt) ⇒ Object 



2753
2754
2755
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 2753

def disasm(fmt)
  fmt.instruction("objtostring", [fmt.calldata(calldata)])
end

#length ⇒ Object 



2769
2770
2771
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 2769

def length
  2
end

#pops ⇒ Object 



2773
2774
2775
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 2773

def pops
  1
end

#pushes ⇒ Object 



2777
2778
2779
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 2777

def pushes
  1
end

#to_a(_iseq) ⇒ Object 



2757
2758
2759
 
# File 'lib/syntax_tree/yarv/instructions.rb', line 2757

def to_a(_iseq)
  [:objtostring, calldata.to_h]
end