Class: RLTK::CG::Target

Inherits:
Object
  • Object
show all
Includes:
BindingClass
Defined in:
lib/rltk/cg/target.rb

Overview

Class binding for the LLVM Triple class.

Instance Attribute Summary

Attributes included from BindingClass

#ptr

Class Method Summary collapse

Instance Method Summary collapse

Methods included from BindingClass

#==

Constructor Details

#initialize(overloaded) ⇒ Target

Create an object representing a particular code generation target. You can create a target either from a string or a Triple.

Parameters:

  • overloaded (Triple, String) —

    Object describing the target.



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# File 'lib/rltk/cg/target.rb', line 51

def initialize(overloaded)
	@ptr, @triple = 
	case overloaded
	when String
		[Bindings.get_target_from_name(overloaded), Triple.new(overloaded)]
		
	when RLTK::CG::Triple
		ptr    = FFI::MemoryPointer.new(:pointer)
		error  = FFI::MemoryPointer.new(:pointer)
		status = Bindings.get_target_from_triple(overloaded.to_s, ptr, error)
		
		if status.zero?
			[ptr, overloaded]
		
		else
			errorp  = error.read_pointer
			message = errorp.null? ? 'Unknown' : errorp.read_string

			error.autorelease = false

			Bindings.dispose_message(error)

			raise "Error creating target: #{message}"
		end
		
	when RLTK::CG::Bindings::Triple
		[overloaded, nil]
	end
end

Class Method Details

.first ⇒ Target

Returns First target in the target list.

Returns:

  • (Target) —

    First target in the target list



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# File 'lib/rltk/cg/target.rb', line 29

def self.first
	@first ||= self.new(Bindings.get_first_target)
end

.host ⇒ Target

Returns Target object for the host architecture.

Returns:

  • (Target) —

    Target object for the host architecture.



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# File 'lib/rltk/cg/target.rb', line 34

def self.host
	@host ||= self.new(Triple.host)
end

.next_target(target) ⇒ Target

Returns Next target in the target list.

Returns:

  • (Target) —

    Next target in the target list



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# File 'lib/rltk/cg/target.rb', line 39

def self.next_target(target)
	self.new(Bindings.get_next_target(target))
end

Instance Method Details

#asm_backend? ⇒ Boolean

Returns Whether or not the target has an ASM backend.

Returns:

  • (Boolean) —

    Whether or not the target has an ASM backend



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# File 'lib/rltk/cg/target.rb', line 82

def asm_backend?
	Bindings.target_has_asm_backend(@ptr).to_bool
end

#describe ⇒ String

Returns Description of the target.

Returns:

  • (String) —

    Description of the target



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# File 'lib/rltk/cg/target.rb', line 97

def describe
	Bindings.get_target_description(@ptr)
end

#jit? ⇒ Boolean

Returns Whether or not the target has a JIT.

Returns:

  • (Boolean) —

    Whether or not the target has a JIT



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# File 'lib/rltk/cg/target.rb', line 87

def jit?
	Bindings.target_has_jit(@ptr).to_bool
end

#target_machine? ⇒ Boolean

Returns Whether or not the target has a TargetMachine.

Returns:

  • (Boolean) —

    Whether or not the target has a TargetMachine



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# File 'lib/rltk/cg/target.rb', line 92

def target_machine?
	Bindings.target_has_target_machine(@ptr).to_bool
end

#triple ⇒ Triple

Returns Triple object for this target.

Returns:

  • (Triple) —

    Triple object for this target



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# File 'lib/rltk/cg/target.rb', line 102

def triple
	@triple ||= Triple.new(Bindings.get_target_name(@ptr))
end