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Add typedefs for internal structs

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This commit is contained in:
Ben Straub 2013-09-20 15:20:03 -07:00
parent 25c47aaee2
commit a121e58011
3 changed files with 82 additions and 78 deletions
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14
src/blame.c
View File

@ -221,7 +221,7 @@ static git_blame_hunk *split_hunk_in_vector(
* To allow quick access to the contents of nth line in the
* final image, prepare an index in the scoreboard.
*/
static int prepare_lines(struct scoreboard *sb)
static int prepare_lines(git_blame__scoreboard *sb)
{
const char *buf = sb->final_buf;
git_off_t len = sb->final_buf_size;
@ -242,7 +242,7 @@ static int prepare_lines(struct scoreboard *sb)
return sb->num_lines;
}
static git_blame_hunk* hunk_from_entry(struct blame_entry *e)
static git_blame_hunk* hunk_from_entry(git_blame__entry *e)
{
git_blame_hunk *h = new_hunk(
e->lno+1, e->num_lines, e->s_lno+1, e->suspect->path);
@ -255,10 +255,10 @@ static int walk_and_mark(git_blame *blame)
{
int error;
struct scoreboard sb = {0};
struct blame_entry *ent = NULL;
git_blame__scoreboard sb = {0};
git_blame__entry *ent = NULL;
git_blob *blob = NULL;
struct origin *o;
git_blame__origin *o;
if ((error = git_commit_lookup(&sb.final, blame->repository, &blame->options.newest_commit)) < 0 ||
(error = git_object_lookup_bypath((git_object**)&blob, (git_object*)sb.final, blame->path, GIT_OBJ_BLOB)) < 0)
@ -287,8 +287,8 @@ static int walk_and_mark(git_blame *blame)
cleanup:
for (ent = sb.ent; ent; ) {
struct blame_entry *e = ent->next;
struct origin *o = ent->suspect;
git_blame__entry *e = ent->next;
git_blame__origin *o = ent->suspect;
git_vector_insert(&blame->hunks, hunk_from_entry(ent));

110
src/blame_git.c
View File

@ -11,13 +11,15 @@
/*
* Locate an existing origin or create a new one.
*/
int get_origin(struct origin **out, struct scoreboard *sb, git_commit *commit, const char *path)
int get_origin(git_blame__origin **out, git_blame__scoreboard *sb, git_commit *commit, const char *path)
{
struct blame_entry *e;
git_blame__entry *e;
for (e = sb->ent; e; e = e->next)
if (e->suspect->commit == commit && !strcmp(e->suspect->path, path))
for (e = sb->ent; e; e = e->next) {
if (e->suspect->commit == commit && !strcmp(e->suspect->path, path)) {
*out = origin_incref(e->suspect);
}
}
return make_origin(out, commit, path);
}
@ -27,10 +29,11 @@ int get_origin(struct origin **out, struct scoreboard *sb, git_commit *commit, c
* get_origin() to obtain shared, refcounted copy instead of calling
* this function directly.
*/
int make_origin(struct origin **out, git_commit *commit, const char *path)
int make_origin(git_blame__origin **out, git_commit *commit, const char *path)
{
int error = 0;
struct origin *o;
git_blame__origin *o;
o = git__calloc(1, sizeof(*o) + strlen(path) + 1);
GITERR_CHECK_ALLOC(o);
o->commit = commit;
@ -38,22 +41,23 @@ int make_origin(struct origin **out, git_commit *commit, const char *path)
strcpy(o->path, path);
if (!(error = git_object_lookup_bypath((git_object**)&o->blob, (git_object*)commit,
path, GIT_OBJ_BLOB)))
path, GIT_OBJ_BLOB))) {
*out = o;
else
} else {
origin_decref(o);
}
return error;
}
struct blame_chunk_cb_data {
struct scoreboard *sb;
struct origin *target;
struct origin *parent;
long plno;
git_blame__scoreboard *sb;
git_blame__origin *target;
git_blame__origin *parent;
long tlno;
long plno;
};
static bool same_suspect(struct origin *a, struct origin *b)
static bool same_suspect(git_blame__origin *a, git_blame__origin *b)
{
if (a == b)
return true;
@ -63,9 +67,9 @@ static bool same_suspect(struct origin *a, struct origin *b)
}
/* Find the line number of the last line the target is suspected for */
static int find_last_in_target(struct scoreboard *sb, struct origin *target)
static int find_last_in_target(git_blame__scoreboard *sb, git_blame__origin *target)
{
struct blame_entry *e;
git_blame__entry *e;
int last_in_target = -1;
for (e=sb->ent; e; e=e->next) {
@ -91,8 +95,8 @@ static int find_last_in_target(struct scoreboard *sb, struct origin *target)
* Split e into potentially three parts; before this chunk, the chunk
* to be blamed for the parent, and after that portion.
*/
static void split_overlap(struct blame_entry *split, struct blame_entry *e,
int tlno, int plno, int same, struct origin *parent)
static void split_overlap(git_blame__entry *split, git_blame__entry *e,
int tlno, int plno, int same, git_blame__origin *parent)
{
int chunk_end_lno;
@ -134,9 +138,9 @@ static void split_overlap(struct blame_entry *split, struct blame_entry *e,
* Link in a new blame entry to the scoreboard. Entries that cover the same
* line range have been removed from the scoreboard previously.
*/
static void add_blame_entry(struct scoreboard *sb, struct blame_entry *e)
static void add_blame_entry(git_blame__scoreboard *sb, git_blame__entry *e)
{
struct blame_entry *ent, *prev = NULL;
git_blame__entry *ent, *prev = NULL;
origin_incref(e->suspect);
@ -161,9 +165,9 @@ static void add_blame_entry(struct scoreboard *sb, struct blame_entry *e)
* a malloced blame_entry that is already on the linked list of the scoreboard.
* The origin of dst loses a refcnt while the origin of src gains one.
*/
static void dup_entry(struct blame_entry *dst, struct blame_entry *src)
static void dup_entry(git_blame__entry *dst, git_blame__entry *src)
{
struct blame_entry *p, *n;
git_blame__entry *p, *n;
p = dst->prev;
n = dst->next;
@ -179,9 +183,9 @@ static void dup_entry(struct blame_entry *dst, struct blame_entry *src)
* split_overlap() divided an existing blame e into up to three parts in split.
* Adjust the linked list of blames in the scoreboard to reflect the split.
*/
static void split_blame(struct scoreboard *sb, struct blame_entry *split, struct blame_entry *e)
static void split_blame(git_blame__scoreboard *sb, git_blame__entry *split, git_blame__entry *e)
{
struct blame_entry *new_entry;
git_blame__entry *new_entry;
if (split[0].suspect && split[2].suspect) {
/* The first part (reuse storage for the existing entry e */
@ -189,12 +193,12 @@ static void split_blame(struct scoreboard *sb, struct blame_entry *split, struct
/* The last part -- me */
new_entry = git__malloc(sizeof(*new_entry));
memcpy(new_entry, &(split[2]), sizeof(struct blame_entry));
memcpy(new_entry, &(split[2]), sizeof(git_blame__entry));
add_blame_entry(sb, new_entry);
/* ... and the middle part -- parent */
new_entry = git__malloc(sizeof(*new_entry));
memcpy(new_entry, &(split[1]), sizeof(struct blame_entry));
memcpy(new_entry, &(split[1]), sizeof(git_blame__entry));
add_blame_entry(sb, new_entry);
} else if (!split[0].suspect && !split[2].suspect) {
/*
@ -206,13 +210,13 @@ static void split_blame(struct scoreboard *sb, struct blame_entry *split, struct
/* me and then parent */
dup_entry(e, &split[0]);
new_entry = git__malloc(sizeof(*new_entry));
memcpy(new_entry, &(split[1]), sizeof(struct blame_entry));
memcpy(new_entry, &(split[1]), sizeof(git_blame__entry));
add_blame_entry(sb, new_entry);
} else {
/* parent and then me */
dup_entry(e, &split[1]);
new_entry = git__malloc(sizeof(*new_entry));
memcpy(new_entry, &(split[2]), sizeof(struct blame_entry));
memcpy(new_entry, &(split[2]), sizeof(git_blame__entry));
add_blame_entry(sb, new_entry);
}
}
@ -221,7 +225,7 @@ static void split_blame(struct scoreboard *sb, struct blame_entry *split, struct
* After splitting the blame, the origins used by the on-stack blame_entry
* should lose one refcnt each.
*/
static void decref_split(struct blame_entry *split)
static void decref_split(git_blame__entry *split)
{
int i;
for (i=0; i<3; i++)
@ -232,9 +236,9 @@ static void decref_split(struct blame_entry *split)
* Helper for blame_chunk(). blame_entry e is known to overlap with the patch
* hunk; split it and pass blame to the parent.
*/
static void blame_overlap(struct scoreboard *sb, struct blame_entry *e, int tlno, int plno, int same, struct origin *parent)
static void blame_overlap(git_blame__scoreboard *sb, git_blame__entry *e, int tlno, int plno, int same, git_blame__origin *parent)
{
struct blame_entry split[3] = {{0}};
git_blame__entry split[3] = {{0}};
split_overlap(split, e, tlno, plno, same, parent);
if (split[1].suspect)
@ -247,9 +251,9 @@ static void blame_overlap(struct scoreboard *sb, struct blame_entry *e, int tlno
* e and its parent. Find and split the overlap, and pass blame to the
* overlapping part to the parent.
*/
static void blame_chunk(struct scoreboard *sb, int tlno, int plno, int same, struct origin *target, struct origin *parent)
static void blame_chunk(git_blame__scoreboard *sb, int tlno, int plno, int same, git_blame__origin *target, git_blame__origin *parent)
{
struct blame_entry *e;
git_blame__entry *e;
for (e = sb->ent; e; e = e->next) {
if (e->guilty || !same_suspect(e->suspect, target))
@ -328,7 +332,7 @@ static int diff_hunks(mmfile_t *file_a, mmfile_t *file_b, void *cb_data)
return xdi_diff(file_a, file_b, &xpp, &xecfg, &ecb);
}
static void fill_origin_blob(struct origin *o, mmfile_t *file)
static void fill_origin_blob(git_blame__origin *o, mmfile_t *file)
{
memset(file, 0, sizeof(*file));
if (o->blob) {
@ -337,9 +341,9 @@ static void fill_origin_blob(struct origin *o, mmfile_t *file)
}
}
static int pass_blame_to_parent(struct scoreboard *sb,
struct origin *target,
struct origin *parent)
static int pass_blame_to_parent(git_blame__scoreboard *sb,
git_blame__origin *target,
git_blame__origin *parent)
{
int last_in_target;
mmfile_t file_p, file_o;
@ -365,10 +369,10 @@ static int paths_on_dup(void **old, void *new)
git__free(new);
return -1;
}
static struct origin* find_origin(struct scoreboard *sb, git_commit *parent,
struct origin *origin)
static git_blame__origin* find_origin(git_blame__scoreboard *sb, git_commit *parent,
git_blame__origin *origin)
{
struct origin *porigin = NULL;
git_blame__origin *porigin = NULL;
git_diff_list *difflist = NULL;
git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT;
git_tree *otree=NULL, *ptree=NULL;
@ -429,10 +433,10 @@ cleanup:
* The blobs of origin and porigin exactly match, so everything origin is
* suspected for can be blamed on the parent.
*/
static void pass_whole_blame(struct scoreboard *sb,
struct origin *origin, struct origin *porigin)
static void pass_whole_blame(git_blame__scoreboard *sb,
git_blame__origin *origin, git_blame__origin *porigin)
{
struct blame_entry *e;
git_blame__entry *e;
if (!porigin->blob)
git_object_lookup((git_object**)&porigin->blob, sb->blame->repository, git_blob_id(origin->blob),
@ -446,12 +450,12 @@ static void pass_whole_blame(struct scoreboard *sb,
}
}
static void pass_blame(struct scoreboard *sb, struct origin *origin, uint32_t opt)
static void pass_blame(git_blame__scoreboard *sb, git_blame__origin *origin, uint32_t opt)
{
git_commit *commit = origin->commit;
int i, num_sg;
struct origin *sg_buf[16];
struct origin *porigin, **sg_origin = sg_buf;
git_blame__origin *sg_buf[16];
git_blame__origin *porigin, **sg_origin = sg_buf;
GIT_UNUSED(opt);
@ -498,7 +502,7 @@ static void pass_blame(struct scoreboard *sb, struct origin *origin, uint32_t op
}
for (i=0; i<num_sg; i++) {
struct origin *porigin = sg_origin[i];
git_blame__origin *porigin = sg_origin[i];
if (!porigin)
continue;
if (!origin->previous) {
@ -526,14 +530,14 @@ finish:
* Origin is refcounted and usually we keep the blob contents to be
* reused.
*/
struct origin *origin_incref(struct origin *o)
git_blame__origin *origin_incref(git_blame__origin *o)
{
if (o)
o->refcnt++;
return o;
}
void origin_decref(struct origin *o)
void origin_decref(git_blame__origin *o)
{
if (o && --o->refcnt <= 0) {
if (o->previous)
@ -544,11 +548,11 @@ void origin_decref(struct origin *o)
}
}
void assign_blame(struct scoreboard *sb, uint32_t opt)
void assign_blame(git_blame__scoreboard *sb, uint32_t opt)
{
while (true) {
struct blame_entry *ent;
struct origin *suspect = NULL;
git_blame__entry *ent;
git_blame__origin *suspect = NULL;
/* Find a suspect to break down */
for (ent = sb->ent; !suspect && ent; ent = ent->next)
@ -574,9 +578,9 @@ void assign_blame(struct scoreboard *sb, uint32_t opt)
}
}
void coalesce(struct scoreboard *sb)
void coalesce(git_blame__scoreboard *sb)
{
struct blame_entry *ent, *next;
git_blame__entry *ent, *next;
for (ent=sb->ent; ent && (next = ent->next); ent = next) {
if (same_suspect(ent->suspect, next->suspect) &&

36
src/blame_git.h
View File

@ -9,22 +9,22 @@
/*
* One blob in a commit that is being suspected
*/
struct origin {
typedef struct git_blame__origin {
int refcnt;
struct origin *previous;
struct git_blame__origin *previous;
git_commit *commit;
git_blob *blob;
char path[];
};
} git_blame__origin;
/*
* Each group of lines is described by a blame_entry; it can be split
* Each group of lines is described by a git_blame__entry; it can be split
* as we pass blame to the parents. They form a linked list in the
* scoreboard structure, sorted by the target line number.
*/
struct blame_entry {
struct blame_entry *prev;
struct blame_entry *next;
typedef struct git_blame__entry {
struct git_blame__entry *prev;
struct git_blame__entry *next;
/* the first line of this group in the final image;
* internally all line numbers are 0 based.
@ -35,7 +35,7 @@ struct blame_entry {
int num_lines;
/* the commit that introduced this group into the final image */
struct origin *suspect;
git_blame__origin *suspect;
/* true if the suspect is truly guilty; false while we have not
* checked if the group came from one of its parents.
@ -59,12 +59,12 @@ struct blame_entry {
/* Whether this entry has been tracked to a boundary commit.
*/
bool is_boundary;
};
} git_blame__entry;
/*
* The current state of the blame assignment.
*/
struct scoreboard {
typedef struct git_blame__scoreboard {
/* the final commit (i.e. where we started digging from) */
git_commit *final;
const char *path;
@ -78,20 +78,20 @@ struct scoreboard {
git_off_t final_buf_size;
/* linked list of blames */
struct blame_entry *ent;
git_blame__entry *ent;
/* look-up a line in the final buffer */
int num_lines;
git_blame *blame;
};
} git_blame__scoreboard;
int get_origin(struct origin **out, struct scoreboard *sb, git_commit *commit, const char *path);
int make_origin(struct origin **out, git_commit *commit, const char *path);
struct origin *origin_incref(struct origin *o);
void origin_decref(struct origin *o);
void assign_blame(struct scoreboard *sb, uint32_t flags);
void coalesce(struct scoreboard *sb);
int get_origin(git_blame__origin **out, git_blame__scoreboard *sb, git_commit *commit, const char *path);
int make_origin(git_blame__origin **out, git_commit *commit, const char *path);
git_blame__origin *origin_incref(git_blame__origin *o);
void origin_decref(git_blame__origin *o);
void assign_blame(git_blame__scoreboard *sb, uint32_t flags);
void coalesce(git_blame__scoreboard *sb);
#endif