Much progress! Half the unit tests pass.

utils_src/debugflags/debugflags.c

@@ -0,0 +1,43 @@
+#include <inttypes.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+#define DEBUG_ALLOC 1
+#define DEBUG_STACK 2
+#define DEBUG_ARITH 4
+#define DEBUG_EVAL 8
+#define DEBUG_LAMBDA 16
+#define DEBUG_BOOTSTRAP 32
+#define DEBUG_IO 64
+#define DEBUG_REPL 128
+
+int check_level( int v, int level, char * name) {
+  int result = 0;
+  if (v & level) {
+    printf("\t\t%s (%d) matches;\n", name, level);
+    result = 1;
+  }
+
+  return result;
+}
+
+int main( int argc, char *argv[] ) {
+
+  for (int i = 1; i < argc; i++) {
+    int v = atoi(argv[i]);
+
+    printf("Level %d:\n", v);
+    int matches = check_level(v, DEBUG_ALLOC, "DEBUG_ALLOC") +
+    check_level(v, DEBUG_STACK, "DEBUG_STACK") +
+    check_level(v, DEBUG_ARITH, "DEBUG_ARITH") +
+    check_level(v, DEBUG_EVAL, "DEBUG_EVAL") +
+    check_level(v, DEBUG_LAMBDA, "DEBUG_LAMBDA") +
+    check_level(v, DEBUG_BOOTSTRAP, "DEBUG_BOOTSTRAP") +
+    check_level(v, DEBUG_IO, "DEBUG_IO") +
+    check_level(v, DEBUG_REPL, "DEBUG_REPL");
+    printf("\t%d matches\n", matches);
+  }
+}