scope.h

   1 #ifndef SCOPE_H
   2 #define SCOPE_H
   3 /*
   4  * Symbol scoping is pretty simple.
   5  *
   6  * Copyright (C) 2003 Transmeta Corp.
   7  *               2003 Linus Torvalds
   8  *
   9  *  Licensed under the Open Software License version 1.1
  10  */
  11
  12 struct symbol;
  13
  14 struct scope {
  15         struct token *token;            /* Scope start information */
  16         struct symbol_list *symbols;    /* List of symbols in this scope */
  17         struct scope *next;
  18 };
  19
  20 extern struct scope
  21                 *block_scope,
  22                 *function_scope,
  23                 *file_scope,
  24                 *global_scope;
  25
  26 static inline int toplevel(struct scope *scope)
  27 {
  28         return scope == file_scope || scope == global_scope;
  29 }
  30
  31 extern void start_file_scope(void);
  32 extern void end_file_scope(void);
  33 extern void new_file_scope(void);
  34
  35 extern void start_symbol_scope(void);
  36 extern void end_symbol_scope(void);
  37
  38 extern void start_function_scope(void);
  39 extern void end_function_scope(void);
  40
  41 extern void bind_scope(struct symbol *, struct scope *);
  42
  43 extern int is_outer_scope(struct scope *);
  44 #endif