Class: RLTK::CG::BasicBlock::InstructionCollection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/rltk/cg/basic_block.rb

Overview

This class is used to access all of the Instructions that have been added to a RLTK::CG::BasicBlock.

Instance Method Summary collapse

Constructor Details

#initialize(bb) ⇒ InstructionCollection

Returns a new instance of InstructionCollection.

Parameters:

  • bb (BasicBlock) —

    BasicBlock this collection belongs to.



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# File 'lib/rltk/cg/basic_block.rb', line 134

def initialize(bb)
	@bb = bb
end

Instance Method Details

#each {|inst| ... } ⇒ Enumerator

Iterate over each Instruction in this collection.

Yield Parameters:

Returns:

  • (Enumerator) —

    An Enumerator is returned if no block is given.



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# File 'lib/rltk/cg/basic_block.rb', line 143

def each
	return to_enum(:each) unless block_given?
	
	inst = self.first
	
	while inst
		yield inst
		inst = inst.next
	end
	
	self
end

#first ⇒ Instruction

Returns First instruction in this collection.

Returns:

  • (Instruction) —

    First instruction in this collection.



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# File 'lib/rltk/cg/basic_block.rb', line 157

def first
	if (ptr = Bindings.get_first_instruction(@bb)).null? then nil else Instruction.from_ptr(ptr) end
end

#last ⇒ Instruction

Returns Last instruction in this collection.

Returns:

  • (Instruction) —

    Last instruction in this collection.



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# File 'lib/rltk/cg/basic_block.rb', line 162

def last
	if (ptr = Bindings.get_last_instruction(@bb)).null? then nil else Instruction.from_ptr(ptr) end
end