src/config/lxrgmr-code/util.h

   1 /************************************************************************
   2  *                         $PROJECT Project
   3  *
   4  *   (c) Copyright $YEAR, $COMPANY_EN. Inc., $CITY_EN, $COUNTRY_EN
   5  *   (c) Copyright $YEAR, $COMPANY_CN. Inc., $CITY_CN, $COUNTRY_CN
   6  ************************************************************************
   7  * filename:    util.h
   8  * function:    TOKEN_IDÄ£¿é¡£
   9  * createdate:  $DATE
  10  * author:              $AUTHOR
  11  * note£º
  12  *
  13  *
  14  ************************************************************************/
  15 /*                                                              Modify record                                                   */
  16 /************************************************************************
  17  * date:                        $DATE
  18  * author:              $AUTHOR
  19  * note:
  20  *
  21  ************************************************************************/
  22
  23 #ifndef __UTIL_H__
  24 #define __UTIL_H__
  25
  26 //#include "type.h"
  27
  28 #include "foo.h"
  29
  30 #include "expr.h"
  31 #include "src/symbol.h"
  32
  33 //extern struct expr *sym_env_list;
  34
  35 //#define expr_list_for_each_sym(l, e, s) \
  36 //      for (e = (l); e && (s = e->right.sym); e = e->left.expr)
  37
  38 /* Type Definations */
  39
  40 struct gstr {
  41         size_t len;
  42         char  *s;
  43         /*
  44         * when max_width is not zero long lines in string s (if any) get
  45         * wrapped not to exceed the max_width value
  46         */
  47         int max_width;
  48 };
  49
  50 /*
  51  * buffer for T_WORD/T_XXX_CONST/T_WORD_QUOTES ...
  52  */
  53 typedef struct __tag_CACHING_STR {
  54         char *text;
  55         int text_size, text_asize;
  56 } CACHING_STR, *PCACHING_STR;
  57
  58 /* Public Variables and Functions */
  59
  60 /* lxr caching buffer */
  61 extern CACHING_STR strbuff;
  62
  63
  64
  65 /* memory allocation function set */
  66 extern void *xmalloc(size_t size);
  67 extern void *xcalloc(size_t nmemb, size_t size);
  68 extern void *xrealloc(void *p, size_t size);
  69 extern char *xstrdup(const char *s);
  70 extern char *xstrndup(const char *s, size_t n);
  71 extern void xfree(const char *s);
  72
  73 extern struct gstr str_new(void);
  74 extern void str_free(struct gstr *gs);
  75 extern void str_append(struct gstr *gs, const char *s);
  76 extern void str_printf(struct gstr *gs, const char *fmt, ...);
  77 extern const char *str_get(struct gstr *gs);
  78
  79 extern int file_write_dep(const char *name);
  80 extern struct file *file_lookup(const char *name);
  81
  82 /* lxr state stack functions */
  83 extern void STATE_INIT (int state);
  84 extern void STATE_SET (int state);
  85 extern void STATE_ENTER (int state);
  86 extern int STATE_RESTORE (void);
  87
  88 /* caching string buffer for T_WORD and others */
  89
  90 extern int is_empty_string (CACHING_STR *pstr_cache);
  91 extern int is_unallocated_string (CACHING_STR *pstr_cache);
  92 extern void init_string (CACHING_STR *pstr_cache);
  93 extern void new_string (CACHING_STR *pstr_cache);
  94 extern void append_string (CACHING_STR *pstr_cache, const char *str, int size);
  95 extern void alloc_string (CACHING_STR *pstr_cache, const char *str, int size);
  96 extern int const_string (CACHING_STR *pstr_cache, int token);
  97 extern CACHING_STR * dup_string (CACHING_STR *pstr_cache, CACHING_STR *p_dst_str_cache);
  98 extern void free_string (CACHING_STR *pstr_cache);
  99
 100
 101
 102 #endif /* __UTIL_H__ */
 103
 104