Add anonymous field inside struct

Author: lucic71

tests/unit/anonymous-enum.cpp

@@ -0,0 +1,57 @@
+#include <assert.h>
+
+enum {
+  FIRST_A,
+  FIRST_B,
+};
+
+struct S {
+  int a;
+
+  enum {
+    SECOND_A,
+    SECOND_B,
+  };
+};
+
+typedef enum {
+  TD_A,
+  TD_B,
+} TdEnum;
+
+struct WithAnonField {
+  int a;
+  enum {
+    FIELD_A,
+    FIELD_B,
+  } field;
+};
+
+int main() {
+  enum {
+    THIRD_A,
+    THIRD_B,
+  };
+
+  assert(FIRST_A == 0);
+  assert(FIRST_B == 1);
+
+  assert(S::SECOND_A == 0);
+  assert(S::SECOND_B == 1);
+
+  assert(THIRD_A == 0);
+  assert(THIRD_B == 1);
+
+  TdEnum td = TD_A;
+  assert(td == TD_A);
+  td = TD_B;
+  assert(td == TD_B);
+
+  WithAnonField w;
+  w.field = WithAnonField::FIELD_A;
+  assert(w.field == WithAnonField::FIELD_A);
+  w.field = WithAnonField::FIELD_B;
+  assert(w.field == WithAnonField::FIELD_B);
+
+  return 0;
+};

tests/unit/anonymous_enum.cpp

@@ -0,0 +1,57 @@
+#include <assert.h>
+
+enum {
+  FIRST_A,
+  FIRST_B,
+};
+
+struct S {
+  int a;
+
+  enum {
+    SECOND_A,
+    SECOND_B,
+  };
+};
+
+typedef enum {
+  TD_A,
+  TD_B,
+} TdEnum;
+
+struct WithAnonField {
+  int a;
+  enum {
+    FIELD_A,
+    FIELD_B,
+  } field;
+};
+
+int main() {
+  enum {
+    THIRD_A,
+    THIRD_B,
+  };
+
+  assert(FIRST_A == 0);
+  assert(FIRST_B == 1);
+
+  assert(SECOND_A == 0);
+  assert(SECOND_B == 1);
+
+  assert(THIRD_A == 0);
+  assert(THIRD_B == 1);
+
+  TdEnum td = TD_A;
+  assert(td == TD_A);
+  td = TD_B;
+  assert(td == TD_B);
+
+  struct WithAnonField w;
+  w.field = FIELD_A;
+  assert(w.field == FIELD_A);
+  w.field = FIELD_B;
+  assert(w.field == FIELD_B);
+
+  return 0;
+};