start on call implementation, getting separation issues

This commit is contained in:
Torsten Ruger 2014-08-23 23:37:33 +03:00
parent 594784c729
commit ad6be2676c
5 changed files with 31 additions and 12 deletions

View File

@ -31,6 +31,7 @@ module Boot
def run_passes
@passes.each do |pass|
puts "Runnning pass #{pass}"
all = main.blocks
@classes.each_value do |c|
c.method_definitions.each {|f| all += f.blocks }
@ -55,12 +56,6 @@ module Boot
raise "No such pass to add after: #{after}" unless index
@passes.insert(index , pass)
end
def add_pass_after( pass , after)
index = @passes.index(after)
raise "No such pass to add after: #{after}" unless index
@passes.insert(index , pass)
end
# boot the classes, ie create a minimal set of classes with a minimal set of functions
# minimal means only that which can not be coded in ruby
# MethodDefinitions are grabbed from respective modules by sending the method name. This should return the

View File

@ -0,0 +1,22 @@
module Register
# This implements call logic, which is simply like a c call (not send, that involves lookup and all sorts)
#
# The only target for a call is a MethodDefinition, so we just need to get the address for the code
# and call it.
#
# The only slight snag is that we would need to assemble before getting the address, but to assemble
# we'd have to have finished compiling. So we need a reference.
class CallImplementation
def run block
block.codes.dup.each do |code|
next unless code.is_a? Virtual::FunctionCall
to = RegisterReference.new(:r0)
tmp = RegisterReference.new(:r5)
move = RegisterMachine.instance.ldr( to , tmp , code.to.index )
block.replace(code , [move] )
end
end
end
Virtual::Object.space.add_pass_after CallImplementation , SetImplementation
end

View File

@ -1,7 +1,8 @@
module Register
# This implements the send logic
# Send is so complicated that we actually code it in ruby and stick it in
# That off course opens up an endless loop possibility that we stop by reducing to Class and Module methods
# This implements instance variable get (not the opposite of Set, such a thing does not exists, their slots)
# Ivar get needs to acces the layout, find the index of the name, and shuffle the data to return register
# In short it's so complicated we implement it in ruby and stick the implementation here
class GetImplementation
def run block
block.codes.dup.each do |code|

View File

@ -148,4 +148,5 @@ require_relative "instruction"
require_relative "register_reference"
require_relative "get_implementation"
require_relative "set_implementation"
require_relative "call_implementation"
require "arm/arm_machine"

View File

@ -1,7 +1,7 @@
module Register
# This implements the send logic
# Send is so complicated that we actually code it in ruby and stick it in
# That off course opens up an endless loop possibility that we stop by reducing to Class and Module methods
# This implements setting of the various slot variables the vm defines.
# Basic mem moves, but have to shuffle the type nibbles
class SetImplementation
def run block
block.codes.dup.each do |code|