Rust: Add resolved macros to rust/summary/summary-stats.

Author: geoffw0

rust/ql/src/queries/summary/SummaryStats.ql

@@ -37,4 +37,8 @@ where
   key = "Inconsistencies - CFG" and value = getTotalCfgInconsistencies()
   or
   key = "Inconsistencies - data flow" and value = getTotalDataFlowInconsistencies()
+  or
+  key = "Macro calls - total" and value = count(MacroCall mc)
+  or
+  key = "Macro calls - resolved" and value = count(MacroCall mc | mc.hasExpanded())
 select key, value

rust/ql/test/query-tests/diagnostics/SummaryStats.expected

@@ -10,3 +10,5 @@
 | Inconsistencies - data flow | 7 |
 | Lines of code extracted | 59 |
 | Lines of user code extracted | 59 |
+| Macro calls - resolved | 8 |
+| Macro calls - total | 8 |