1 //: Raise an error when operand metadata is used in non-code segments.
 2 
 3 :(scenario operand_metadata_outside_code_segment)
 4 % Hide_errors = true;
 5 == 0x1  # code segment
 6 cd 0x80/imm8
 7 == 0x1000  # data segment
 8 cd 12/imm8
 9 +error: 12/imm8: metadata imm8 is only allowed in the (first) code segment
10 
11 :(before "End One-time Setup")
12 Transform.push_back(ensure_operands_only_in_code_segments);
13 :(code)
14 void ensure_operands_only_in_code_segments(/*const*/ program& p) {
15   trace(99, "transform") << "-- ensure operands only in code segments" << end();
16   if (p.segments.empty()) return;
17   for (int i = /*skip code segment*/1;  i < SIZE(p.segments);  ++i) {
18     const segment& seg = p.segments.at(i);
19     for (int j = 0;  j < SIZE(seg.lines);  ++j) {
20       const line& l = seg.lines.at(j);
21       for (int k = 0;  k < SIZE(l.words);  ++k) {
22         const word& w = l.words.at(k);
23         for (map<string, uint32_t>::iterator p = Operand_bound.begin();  p != Operand_bound.end();  ++p)
24           if (has_metadata(w, p->first))
25             raise << w.original << ": metadata " << p->first << " is only allowed in the (first) code segment\n" << end();
26       }
27     }
28   }
29 }