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first tests comping through after ast/compile change

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This commit is contained in:
Torsten Ruger
2015-05-04 23:03:52 +03:00
parent ff22c17784
commit e4c799ecb6
17 changed files with 72 additions and 75 deletions
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25
lib/arm/arm_machine.rb
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@ -1,24 +1,24 @@
require_relative "instruction"
module Arm
# A Machines main responsibility in the framework is to instantiate Instruction
# A Machines main responsibility in the framework is to instantiate Instructions
# Value functions are mapped to machines by concatenating the values class name + the methd name
# Example: IntegerValue.plus( value ) -> Machine.signed_plus (value )
# Also, shortcuts are created to easily instantiate Instruction objects.
# Example: pop -> StackInstruction.new( {:opcode => :pop}.merge(options) )
# Instructions work with options, so you can pass anything in, and the only thing the functions does
# is save you typing the clazz.new. It passes the function name as the :opcode
class ArmMachine
# conditions specify all the possibilities for branches. Branches are b + condition
# Example: beq means brach if equal.
# Example: beq means brach if equal.
# :al means always, so bal is an unconditional branch (but b() also works)
CONDITIONS = [ :al , :eq , :ne , :lt , :le, :ge, :gt , :cs , :mi , :hi , :cc , :pl, :ls , :vc , :vs ]
# here we create the shortcuts for the "standard" instructions, see above
# Derived machines may use own instructions and define functions for them if so desired
def self.init
@ -40,7 +40,7 @@ module Arm
[:b, :call , :swi].each do |inst|
define_instruction_one(inst , CallInstruction)
end
# create all possible brach instructions, but the CallInstruction demangles the
# create all possible brach instructions, but the CallInstruction demangles the
# code, and has opcode set to :b and :condition_code set to the condition
CONDITIONS.each do |suffix|
define_instruction_one("b#{suffix}".to_sym , CallInstruction)
@ -53,7 +53,6 @@ module Arm
end
def self.class_for clazz
c_name = clazz.name
my_module = self.class.name.split("::").first
clazz_name = clazz.name.split("::").last
if(my_module != Register )
@ -65,13 +64,13 @@ module Arm
#defining the instruction (opcode, symbol) as an given class.
# the class is a Register::Instruction derived base class and to create machine specific function
# an actual machine must create derived classes (from this base class)
# an actual machine must create derived classes (from this base class)
# These instruction classes must follow a naming pattern and take a hash in the contructor
# Example, a mov() opcode instantiates a Register::MoveInstruction
# for an Arm machine, a class Arm::MoveInstruction < Register::MoveInstruction exists, and it will
# be used to define the mov on an arm machine.
# This methods picks up that derived class and calls a define_instruction methods that can
# be overriden in subclasses
# be used to define the mov on an arm machine.
# This methods picks up that derived class and calls a define_instruction methods that can
# be overriden in subclasses
def self.define_instruction_one(inst , clazz , defaults = {} )
clazz = class_for(clazz)
create_method(inst) do |first , options = nil|