Class: SyntaxTree::YARV::Intern

Inherits:

Instruction

• Object
• Instruction
• SyntaxTree::YARV::Intern

Defined in:

lib/syntax_tree/yarv/instructions.rb

Overview

### Summary

‘intern` converts the top element of the stack to a symbol and pushes the symbol onto the stack.

### Usage

~~~ruby :“#”foo“” ~~~

Instance Method Summary

• #==(other) ⇒ Object
• #call(vm) ⇒ Object
• #deconstruct_keys(_keys) ⇒ Object
• #disasm(fmt) ⇒ Object
• #pops ⇒ Object
• #pushes ⇒ Object
• #to_a(_iseq) ⇒ Object

Methods inherited from Instruction

#branch_targets, #canonical, #falls_through?, #leaves?, #length, #side_effects?

Instance Method Details

#==(other) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 2108

def ==(other)
  other.is_a?(Intern)
end

#call(vm) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 2120

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

#deconstruct_keys(_keys) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 2104

def deconstruct_keys(_keys)
  {}
end

#disasm(fmt) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 2096

def disasm(fmt)
  fmt.instruction("intern")
end

#pops ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 2112

def pops
  1
end

#pushes ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 2116

def pushes
  1
end

#to_a(_iseq) ⇒ Object

# File 'lib/syntax_tree/yarv/instructions.rb', line 2100

def to_a(_iseq)
  [:intern]
end