Class: LLVM::MemoryBuffer

Inherits:
Object
  • Object
show all
Defined in:
lib/llvm/core/bitcode.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ptr) ⇒ MemoryBuffer

Returns a new instance of MemoryBuffer.



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# File 'lib/llvm/core/bitcode.rb', line 50

def initialize(ptr)
  @ptr = ptr
end

Class Method Details

.from_file(path) ⇒ LLVM::MemoryBuffer

Read the contents of a file into a memory buffer

Parameters:

  • path (String)

Returns:



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# File 'lib/llvm/core/bitcode.rb', line 62

def self.from_file(path)
  FFI::MemoryPointer.new(:pointer) do |buf_ref|
    FFI::MemoryPointer.new(:pointer) do |msg_ref|
      status = C.LLVMCreateMemoryBufferWithContentsOfFile(path.to_str, buf_ref, msg_ref)
      raise msg_ref.get_pointer(0).get_string(0) if status != 0
      return new(buf_ref.get_pointer(0))
    end
  end
end

.from_stdin ⇒ LLVM::MemoryBuffer

Read STDIN into a memory buffer

Returns:



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# File 'lib/llvm/core/bitcode.rb', line 74

def self.from_stdin
  FFI::Buffer.new(:pointer) do |buf_ref|
    FFI::Buffer.new(:pointer) do |msg_ref|
      status = C.LLVMCreateMemoryBufferWithSTDIN(buf_ref, msg_ref)
      raise msg_ref.get_pointer(0).get_string(0) if status != 0
      return new(buf_ref.get_pointer(0))
    end
  end
end

Instance Method Details

#dispose ⇒ Object 



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# File 'lib/llvm/core/bitcode.rb', line 84

def dispose
  C.LLVMDisposeMemoryBuffer(@ptr)
end

#to_ptr ⇒ Object 



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# File 'lib/llvm/core/bitcode.rb', line 55

def to_ptr
  @ptr
end