Class: LLVM::BasicBlock::InstructionCollection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/llvm/core/value.rb

Instance Method Summary collapse

Constructor Details

#initialize(block) ⇒ InstructionCollection

Returns a new instance of InstructionCollection.


130
131
132
# File 'lib/llvm/core/value.rb', line 130

def initialize(block)
  @block = block
end

Instance Method Details

#eachObject

Iterates through each Instruction in the collection.


135
136
137
138
139
140
141
142
143
144
145
146
# File 'lib/llvm/core/value.rb', line 135

def each
  return to_enum :each unless block_given?
  inst, last = first, last

  while inst
    yield inst
    break if inst == last
    inst = inst.next
  end

  self
end

#firstObject

Returns the first Instruction in the collection.


149
150
151
152
# File 'lib/llvm/core/value.rb', line 149

def first
  ptr = C.get_first_instruction(@block)
  LLVM::Instruction.from_ptr(ptr) unless ptr.null?
end

#lastObject

Returns the last Instruction in the collection.


155
156
157
158
# File 'lib/llvm/core/value.rb', line 155

def last
  ptr = C.get_last_instruction(@block)
  LLVM::Instruction.from_ptr(ptr) unless ptr.null?
end