revision.hon commit Use a *real* built-in diff generator (3443546)
   1#ifndef REVISION_H
   2#define REVISION_H
   3
   4#define SEEN            (1u<<0)
   5#define UNINTERESTING   (1u<<1)
   6#define TREECHANGE      (1u<<2)
   7#define SHOWN           (1u<<3)
   8#define TMP_MARK        (1u<<4) /* for isolated cases; clean after use */
   9
  10struct rev_info;
  11
  12typedef void (prune_fn_t)(struct rev_info *revs, struct commit *commit);
  13
  14struct rev_info {
  15        /* Starting list */
  16        struct commit_list *commits;
  17        struct object_list *pending_objects;
  18
  19        /* Basic information */
  20        const char *prefix;
  21        void *prune_data;
  22        prune_fn_t *prune_fn;
  23
  24        /* Traversal flags */
  25        unsigned int    dense:1,
  26                        no_merges:1,
  27                        remove_empty_trees:1,
  28                        lifo:1,
  29                        topo_order:1,
  30                        tag_objects:1,
  31                        tree_objects:1,
  32                        blob_objects:1,
  33                        edge_hint:1,
  34                        limited:1,
  35                        unpacked:1;
  36
  37        /* special limits */
  38        int max_count;
  39        unsigned long max_age;
  40        unsigned long min_age;
  41
  42        topo_sort_set_fn_t topo_setter;
  43        topo_sort_get_fn_t topo_getter;
  44};
  45
  46#define REV_TREE_SAME           0
  47#define REV_TREE_NEW            1
  48#define REV_TREE_DIFFERENT      2
  49
  50/* revision.c */
  51extern int rev_same_tree_as_empty(struct tree *t1);
  52extern int rev_compare_tree(struct tree *t1, struct tree *t2);
  53
  54extern void init_revisions(struct rev_info *revs);
  55extern int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def);
  56extern void prepare_revision_walk(struct rev_info *revs);
  57extern struct commit *get_revision(struct rev_info *revs);
  58
  59extern void mark_parents_uninteresting(struct commit *commit);
  60extern void mark_tree_uninteresting(struct tree *tree);
  61
  62struct name_path {
  63        struct name_path *up;
  64        int elem_len;
  65        const char *elem;
  66};
  67
  68extern struct object_list **add_object(struct object *obj,
  69                                       struct object_list **p,
  70                                       struct name_path *path,
  71                                       const char *name);
  72
  73#endif