lib.h

   1 #ifndef LIB_H
   2 #define LIB_H
   3 /*
   4  * Basic helper routine descriptions for 'sparse'.
   5  *
   6  * Copyright (C) 2003 Transmeta Corp, all rights reserved.
   7  */
   8
   9 extern unsigned int hexval(unsigned int c);
  10
  11 struct position {
  12         unsigned int type:6,
  13                      stream:10,
  14                      pos:14,
  15                      newline:1,
  16                      whitespace:1;
  17         unsigned int line;
  18 };
  19
  20 struct ident;
  21 struct token;
  22 struct symbol;
  23 struct symbol_list;
  24 struct statement;
  25 struct statement_list;
  26 struct expression;
  27 struct expression_list;
  28
  29 struct token *skip_to(struct token *, int);
  30 struct token *expect(struct token *, int, const char *);
  31 extern void warn(struct position, const char *, ...);
  32 extern void error(struct position, const char *, ...);
  33
  34 #define __DECLARE_ALLOCATOR(type, x)            \
  35         extern type *__alloc_##x(int);          \
  36         extern void show_##x##_alloc(void);     \
  37         extern void clear_##x##_alloc(void);
  38 #define DECLARE_ALLOCATOR(x) __DECLARE_ALLOCATOR(struct x, x)
  39
  40 DECLARE_ALLOCATOR(ident);
  41 DECLARE_ALLOCATOR(token);
  42 DECLARE_ALLOCATOR(symbol);
  43 DECLARE_ALLOCATOR(expression);
  44 DECLARE_ALLOCATOR(statement);
  45 DECLARE_ALLOCATOR(string);
  46 __DECLARE_ALLOCATOR(void, bytes);
  47
  48 #define LIST_NODE_NR (29)
  49
  50 struct ptr_list {
  51         int nr;
  52         struct ptr_list *prev;
  53         struct ptr_list *next;
  54         void *list[LIST_NODE_NR];
  55 };
  56
  57 #define ITERATE_FIRST 1
  58 #define ITERATE_LAST 2
  59 void iterate(struct ptr_list *,void (*callback)(void *, void *, int), void*);
  60 extern void add_ptr_list(struct ptr_list **, void *);
  61 extern int ptr_list_size(struct ptr_list *);
  62
  63 #define symbol_list_size(list) ptr_list_size((struct ptr_list *)(list))
  64 #define statement_list_size(list) ptr_list_size((struct ptr_list *)(list))
  65 #define expression_list_size(list) ptr_list_size((struct ptr_list *)(list))
  66
  67 static inline void add_symbol(struct symbol_list **list, struct symbol *sym)
  68 {
  69         add_ptr_list((struct ptr_list **)list, sym);
  70 }
  71
  72 static inline void add_statement(struct statement_list **list, struct statement *stmt)
  73 {
  74         add_ptr_list((struct ptr_list **)list, stmt);
  75 }
  76
  77 static inline void add_expression(struct expression_list **list, struct expression *expr)
  78 {
  79         add_ptr_list((struct ptr_list **)list, expr);
  80 }
  81
  82 static inline void symbol_iterate(struct symbol_list *list, void (*callback)(struct symbol *, void *, int), void *data)
  83 {
  84         iterate((struct ptr_list *)list, (void (*)(void *, void *, int))callback, data);
  85 }
  86
  87 static inline void statement_iterate(struct statement_list *list, void (*callback)(struct statement *, void *, int), void *data)
  88 {
  89         iterate((struct ptr_list *)list, (void (*)(void *, void *, int))callback, data);
  90 }
  91
  92 static inline void expression_iterate(struct expression_list *list, void (*callback)(struct expression *, void *, int), void *data)
  93 {
  94         iterate((struct ptr_list *)list, (void (*)(void *, void *, int))callback, data);
  95 }
  96
  97 #endif