Class: CastOff::Compiler::SimpleIR::Stack

Inherits:

Object

• Object
• CastOff::Compiler::SimpleIR::Stack

Includes:

Util

Defined in:

lib/cast_off/compile/ir/simple_ir.rb

Instance Attribute Summary

• #depth ⇒ Object readonly

  Returns the value of attribute depth.

Instance Method Summary

• #initialize(depth) ⇒ Stack constructor

  A new instance of Stack.

• #pop ⇒ Object
• #push ⇒ Object

Methods included from Util

#bug, #dlog, #todo, #vlog

Constructor Details

#initialize(depth) ⇒ Stack

Returns a new instance of Stack.

# File 'lib/cast_off/compile/ir/simple_ir.rb', line 15

def initialize(depth)
  @depth = depth
end

Instance Attribute Details

#depth ⇒ Object (readonly)

Returns the value of attribute depth.

# File 'lib/cast_off/compile/ir/simple_ir.rb', line 13

def depth
  @depth
end

Instance Method Details

#pop ⇒ Object

# File 'lib/cast_off/compile/ir/simple_ir.rb', line 19

def pop()
  @depth -= 1
  bug() if @depth < 0
  @depth
end

#push ⇒ Object

# File 'lib/cast_off/compile/ir/simple_ir.rb', line 25

def push()
  ret = @depth
  @depth += 1
  ret
end