GCC主要数据结构之initializer_stack

/* This stack records separate initializers that are nested.   Nested initializers can't happen in ANSI C, but GNU C allows them   in cases like { ... (struct foo) { ... } ... }.  */
struct initializer_stack{  struct initializer_stack *next;  tree decl;  struct constructor_stack *constructor_stack;  struct constructor_range_stack *constructor_range_stack;  vec<constructor_elt, va_gc> *elements;  struct spelling *spelling;  struct spelling *spelling_base;  int spelling_size;  char top_level;  char require_constant_value;  char require_constant_elements;};

struct constructor_range_stack{  struct constructor_range_stack *next, *prev;  struct constructor_stack *stack;  tree range_start;  tree index;  tree range_end;  tree fields;};
static struct constructor_range_stack *constructor_range_stack;