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implement and test field access

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This commit is contained in:
Torsten Ruger
2015-11-08 13:39:13 +02:00
parent b443103ea4
commit 502cfa357d
3 changed files with 62 additions and 5 deletions
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19
lib/soml/compiler/field_access.rb
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@ -11,18 +11,29 @@ module Soml
when :self
index = @clazz.object_layout.variable_index(field_name)
raise "field access, but no such field:#{field_name} for class #{@clazz.name}" unless index
value = use_reg(@clazz.name) #TODO incorrect, this is the self, but should be the type of variable at index
value = use_reg(@clazz.name) #TODO incorrect, this is the self, but should be the type of variable at index
add_code Register.get_slot(statement , :message , :receiver , value )
# reuse the register for next move
move = Register.get_slot(statement, value , index , value )
add_code move
return value
when :message
#message Slot
raise "message not yet"
else
#arg / frame Slot
raise "frame not implemented"
if( index = @method.has_arg(receiver)) #argument
value = use_reg @method.arguments[index].type
code = Register.get_slot(statement , :message , Parfait::Message.get_indexed(index), value)
else # or a local so it is in the frame
index = @method.has_local( receiver )
if(index)
value = use_reg @method.locals[index].type
frame = use_reg :Frame
add_code Register.get_slot(statement , :message , :frame , frame )
code = Register.get_slot(statement ,frame , Parfait::Frame.get_indexed(index) , value )
else
raise "Variable not defined #{name}"
end
end
end
value