"Machine" "Mach"
"Compiler" "Comp"
"Semantics" "Sem"
"Symbol_ptr" "Symbol *"
"Method_ptr" "Method *"
"Object_ptr" "Object *"
"FClass_ptr" "FClass *"
"Builtin_ptr" "Builtin *"
"Frame_ptr" "Frame *"
"Array_ptr" "Array *"
"Mach_ptr" "Mach *"
"::create" "::make"
"expected_" "exp_"
"op_" "oper_"
"OP_" "OPCODE_"
"aa" "ba"
"cd" "dd"