Fixed bug in disassembler, was not yet adapted for using instance field...

Fixed bug in disassembler, was not yet adapted for using instance field indexes instead of field names in the bytecode
Signed-off-by: Stefan Marr <git@stefan-marr.de>

src/som/compiler/disassembler.py

@@ -57,7 +57,7 @@ class Disassembler(object):
                                        ", context " + str(m.get_bytecode(b + 2)))
             elif bytecode == Bytecodes.push_field:
                 Universe.error_println("(index: " + str(m.get_bytecode(b + 1)) +
-                                       ") field: " + str(m.get_constant(b)))
+                                       ") field: " + str(m.get_holder().get_instance_field_name(m.get_bytecode(b + 1))))
             elif bytecode == Bytecodes.push_block:
                 Universe.error_print("block: (index: " + str(m.get_bytecode(b + 1)) + ") ")
                 cls.dump_method(m.get_constant(b), indent + "\t")
@@ -78,7 +78,7 @@ class Disassembler(object):
                                        ", context: " + str(m.get_bytecode(b + 2)))
             elif bytecode == Bytecodes.pop_field:
                 Universe.error_println("(index: "  + str(m.get_bytecode(b + 1)) +
-                                       ") field: " + str(m.get_constant(b)))
+                                       ") field: " + str(m.get_holder().get_instance_field_name(m.get_bytecode(b + 1))))
             elif bytecode == Bytecodes.send:
                 Universe.error_println("(index: "      + str(m.get_bytecode(b + 1)) +
                                        ") signature: " + str(m.get_constant(b)))