#include "graph.h"
#include "userdiff.h"
#include "line-log.h"
+#include "strvec.h"
+#include "bloom.h"
static void range_set_grow(struct range_set *rs, size_t extra)
{
void range_set_release(struct range_set *rs)
{
- free(rs->ranges);
+ FREE_AND_NULL(rs->ranges);
rs->alloc = rs->nr = 0;
- rs->ranges = NULL;
}
/* dst must be uninitialized! */
static void range_set_copy(struct range_set *dst, struct range_set *src)
{
range_set_init(dst, src->nr);
- memcpy(dst->ranges, src->ranges, src->nr*sizeof(struct range_set));
+ COPY_ARRAY(dst->ranges, src->ranges, src->nr);
dst->nr = src->nr;
}
+
static void range_set_move(struct range_set *dst, struct range_set *src)
{
range_set_release(dst);
*/
static void range_set_check_invariants(struct range_set *rs)
{
- int i;
+ unsigned int i;
if (!rs)
return;
*/
void sort_and_merge_range_set(struct range_set *rs)
{
- int i;
- int o = 0; /* output cursor */
+ unsigned int i;
+ unsigned int o = 0; /* output cursor */
- qsort(rs->ranges, rs->nr, sizeof(struct range), range_cmp);
+ QSORT(rs->ranges, rs->nr, range_cmp);
for (i = 0; i < rs->nr; i++) {
if (rs->ranges[i].start == rs->ranges[i].end)
static void range_set_union(struct range_set *out,
struct range_set *a, struct range_set *b)
{
- int i = 0, j = 0, o = 0;
+ unsigned int i = 0, j = 0;
struct range *ra = a->ranges;
struct range *rb = b->ranges;
/* cannot make an alias of out->ranges: it may change during grow */
assert(out->nr == 0);
while (i < a->nr || j < b->nr) {
- struct range *new;
+ struct range *new_range;
if (i < a->nr && j < b->nr) {
if (ra[i].start < rb[j].start)
- new = &ra[i++];
+ new_range = &ra[i++];
else if (ra[i].start > rb[j].start)
- new = &rb[j++];
+ new_range = &rb[j++];
else if (ra[i].end < rb[j].end)
- new = &ra[i++];
+ new_range = &ra[i++];
else
- new = &rb[j++];
+ new_range = &rb[j++];
} else if (i < a->nr) /* b exhausted */
- new = &ra[i++];
+ new_range = &ra[i++];
else /* a exhausted */
- new = &rb[j++];
- if (new->start == new->end)
+ new_range = &rb[j++];
+ if (new_range->start == new_range->end)
; /* empty range */
- else if (!o || out->ranges[o-1].end < new->start) {
+ else if (!out->nr || out->ranges[out->nr-1].end < new_range->start) {
range_set_grow(out, 1);
- out->ranges[o].start = new->start;
- out->ranges[o].end = new->end;
- o++;
- } else if (out->ranges[o-1].end < new->end) {
- out->ranges[o-1].end = new->end;
+ out->ranges[out->nr].start = new_range->start;
+ out->ranges[out->nr].end = new_range->end;
+ out->nr++;
+ } else if (out->ranges[out->nr-1].end < new_range->end) {
+ out->ranges[out->nr-1].end = new_range->end;
}
}
- out->nr = o;
}
/*
static void range_set_difference(struct range_set *out,
struct range_set *a, struct range_set *b)
{
- int i, j = 0;
+ unsigned int i, j = 0;
for (i = 0; i < a->nr; i++) {
long start = a->ranges[i].start;
long end = a->ranges[i].end;
range_set_release(&diff->target);
}
-void line_log_data_init(struct line_log_data *r)
+static void line_log_data_init(struct line_log_data *r)
{
memset(r, 0, sizeof(struct line_log_data));
range_set_init(&r->ranges, 0);
struct diff_ranges *diff,
struct range_set *rs)
{
- int i, j = 0;
+ unsigned int i, j = 0;
assert(out->target.nr == 0);
struct range_set *rs,
struct diff_ranges *diff)
{
- int i, j = 0;
+ unsigned int i, j = 0;
long offset = 0;
struct range *src = rs->ranges;
struct range *target = diff->target.ranges;
struct object *obj = revs->pending.objects[i].item;
if (obj->flags & UNINTERESTING)
continue;
- while (obj->type == OBJ_TAG)
- obj = deref_tag(obj, NULL, 0);
- if (obj->type != OBJ_COMMIT)
+ obj = deref_tag(revs->repo, obj, NULL, 0);
+ if (!obj || obj->type != OBJ_COMMIT)
die("Non commit %s?", revs->pending.objects[i].name);
if (commit)
die("More than one commit to dig from: %s and %s?",
return (struct commit *) commit;
}
-static void fill_blob_sha1(struct commit *commit, struct diff_filespec *spec)
+static void fill_blob_sha1(struct repository *r, struct commit *commit,
+ struct diff_filespec *spec)
{
- unsigned mode;
- unsigned char sha1[20];
+ unsigned short mode;
+ struct object_id oid;
- if (get_tree_entry(commit->object.sha1, spec->path,
- sha1, &mode))
+ if (get_tree_entry(r, &commit->object.oid, spec->path, &oid, &mode))
die("There is no path %s in the commit", spec->path);
- fill_filespec(spec, sha1, 1, mode);
+ fill_filespec(spec, &oid, 1, mode);
return;
}
-static void fill_line_ends(struct diff_filespec *spec, long *lines,
+static void fill_line_ends(struct repository *r,
+ struct diff_filespec *spec,
+ long *lines,
unsigned long **line_ends)
{
int num = 0, size = 50;
unsigned long *ends = NULL;
char *data = NULL;
- if (diff_populate_filespec(spec, 0))
- die("Cannot read blob %s", sha1_to_hex(spec->sha1));
+ if (diff_populate_filespec(r, spec, NULL))
+ die("Cannot read blob %s", oid_to_hex(&spec->oid));
- ends = xmalloc(size * sizeof(*ends));
+ ALLOC_ARRAY(ends, size);
ends[cur++] = 0;
data = spec->data;
while (num < spec->size) {
}
static struct line_log_data *
-parse_lines(struct commit *commit, const char *prefix, struct string_list *args)
+parse_lines(struct repository *r, struct commit *commit,
+ const char *prefix, struct string_list *args)
{
long lines = 0;
unsigned long *ends = NULL;
long begin = 0, end = 0;
long anchor;
- name_part = skip_range_arg(item->string);
+ name_part = skip_range_arg(item->string, r->index);
if (!name_part || *name_part != ':' || !name_part[1])
die("-L argument not 'start,end:file' or ':funcname:file': %s",
item->string);
name_part);
spec = alloc_filespec(full_name);
- fill_blob_sha1(commit, spec);
- fill_line_ends(spec, &lines, &ends);
+ fill_blob_sha1(r, commit, spec);
+ fill_line_ends(r, spec, &lines, &ends);
cb_data.spec = spec;
cb_data.lines = lines;
cb_data.line_ends = ends;
if (parse_range_arg(range_part, nth_line, &cb_data,
lines, anchor, &begin, &end,
- full_name))
+ full_name, r->index))
die("malformed -L argument '%s'", range_part);
- if (lines < end || ((lines || begin) && lines < begin))
+ if ((!lines && (begin || end)) || lines < begin)
die("file %s has only %lu lines", name_part, lines);
if (begin < 1)
begin = 1;
- if (end < 1)
+ if (end < 1 || lines < end)
end = lines;
begin--;
line_log_data_insert(&ranges, full_name, begin, end);
free_filespec(spec);
- free(ends);
- ends = NULL;
+ FREE_AND_NULL(ends);
}
for (p = ranges; p; p = p->next)
static void add_line_range(struct rev_info *revs, struct commit *commit,
struct line_log_data *range)
{
- struct line_log_data *old = NULL;
- struct line_log_data *new = NULL;
+ struct line_log_data *old_line = NULL;
+ struct line_log_data *new_line = NULL;
- old = lookup_decoration(&revs->line_log_data, &commit->object);
- if (old && range) {
- new = line_log_data_merge(old, range);
- free_line_log_data(old);
+ old_line = lookup_decoration(&revs->line_log_data, &commit->object);
+ if (old_line && range) {
+ new_line = line_log_data_merge(old_line, range);
+ free_line_log_data(old_line);
} else if (range)
- new = line_log_data_copy(range);
+ new_line = line_log_data_copy(range);
- if (new)
- add_decoration(&revs->line_log_data, &commit->object, new);
+ if (new_line)
+ add_decoration(&revs->line_log_data, &commit->object, new_line);
}
static void clear_commit_line_range(struct rev_info *revs, struct commit *commit)
return ret;
}
+static int same_paths_in_pathspec_and_range(struct pathspec *pathspec,
+ struct line_log_data *range)
+{
+ int i;
+ struct line_log_data *r;
+
+ for (i = 0, r = range; i < pathspec->nr && r; i++, r = r->next)
+ if (strcmp(pathspec->items[i].match, r->path))
+ return 0;
+ if (i < pathspec->nr || r)
+ /* different number of pathspec items and ranges */
+ return 0;
+
+ return 1;
+}
+
+static void parse_pathspec_from_ranges(struct pathspec *pathspec,
+ struct line_log_data *range)
+{
+ struct line_log_data *r;
+ struct strvec array = STRVEC_INIT;
+ const char **paths;
+
+ for (r = range; r; r = r->next)
+ strvec_push(&array, r->path);
+ paths = strvec_detach(&array);
+
+ parse_pathspec(pathspec, 0, PATHSPEC_PREFER_FULL, "", paths);
+ /* strings are now owned by pathspec */
+ free(paths);
+}
+
void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args)
{
struct commit *commit = NULL;
struct line_log_data *range;
commit = check_single_commit(rev);
- range = parse_lines(commit, prefix, args);
+ range = parse_lines(rev->diffopt.repo, commit, prefix, args);
add_line_range(rev, commit, range);
- if (!rev->diffopt.detect_rename) {
- int i, count = 0;
- struct line_log_data *r = range;
- const char **paths;
- while (r) {
- count++;
- r = r->next;
- }
- paths = xmalloc((count+1)*sizeof(char *));
- r = range;
- for (i = 0; i < count; i++) {
- paths[i] = xstrdup(r->path);
- r = r->next;
- }
- paths[count] = NULL;
- parse_pathspec(&rev->diffopt.pathspec, 0,
- PATHSPEC_PREFER_FULL, "", paths);
- free(paths);
- }
+ parse_pathspec_from_ranges(&rev->diffopt.pathspec, range);
}
static void move_diff_queue(struct diff_queue_struct *dst,
struct diff_queue_struct *queue,
struct commit *commit, struct commit *parent)
{
+ struct object_id *tree_oid, *parent_tree_oid;
+
assert(commit);
+ tree_oid = get_commit_tree_oid(commit);
+ parent_tree_oid = parent ? get_commit_tree_oid(parent) : NULL;
+
+ if (opt->detect_rename &&
+ !same_paths_in_pathspec_and_range(&opt->pathspec, range)) {
+ clear_pathspec(&opt->pathspec);
+ parse_pathspec_from_ranges(&opt->pathspec, range);
+ }
DIFF_QUEUE_CLEAR(&diff_queued_diff);
- diff_tree_sha1(parent ? parent->tree->object.sha1 : NULL,
- commit->tree->object.sha1, "", opt);
- if (opt->detect_rename) {
+ diff_tree_oid(parent_tree_oid, tree_oid, "", opt);
+ if (opt->detect_rename && diff_might_be_rename()) {
+ /* must look at the full tree diff to detect renames */
+ clear_pathspec(&opt->pathspec);
+ DIFF_QUEUE_CLEAR(&diff_queued_diff);
+
+ diff_tree_oid(parent_tree_oid, tree_oid, "", opt);
+
filter_diffs_for_paths(range, 1);
- if (diff_might_be_rename())
- diffcore_std(opt);
+ diffcore_std(opt);
filter_diffs_for_paths(range, 0);
}
move_diff_queue(queue, &diff_queued_diff);
static void print_line(const char *prefix, char first,
long line, unsigned long *ends, void *data,
- const char *color, const char *reset)
+ const char *color, const char *reset, FILE *file)
{
char *begin = get_nth_line(line, ends, data);
char *end = get_nth_line(line+1, ends, data);
had_nl = 1;
}
- fputs(prefix, stdout);
- fputs(color, stdout);
- putchar(first);
- fwrite(begin, 1, end-begin, stdout);
- fputs(reset, stdout);
- putchar('\n');
+ fputs(prefix, file);
+ fputs(color, file);
+ putc(first, file);
+ fwrite(begin, 1, end-begin, file);
+ fputs(reset, file);
+ putc('\n', file);
if (!had_nl)
- fputs("\\ No newline at end of file\n", stdout);
+ fputs("\\ No newline at end of file\n", file);
}
static char *output_prefix(struct diff_options *opt)
static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *range)
{
- int i, j = 0;
+ unsigned int i, j = 0;
long p_lines, t_lines;
unsigned long *p_ends = NULL, *t_ends = NULL;
struct diff_filepair *pair = range->pair;
const char *c_meta = diff_get_color(opt->use_color, DIFF_METAINFO);
const char *c_old = diff_get_color(opt->use_color, DIFF_FILE_OLD);
const char *c_new = diff_get_color(opt->use_color, DIFF_FILE_NEW);
- const char *c_plain = diff_get_color(opt->use_color, DIFF_PLAIN);
+ const char *c_context = diff_get_color(opt->use_color, DIFF_CONTEXT);
if (!pair || !diff)
return;
- if (pair->one->sha1_valid)
- fill_line_ends(pair->one, &p_lines, &p_ends);
- fill_line_ends(pair->two, &t_lines, &t_ends);
+ if (pair->one->oid_valid)
+ fill_line_ends(rev->diffopt.repo, pair->one, &p_lines, &p_ends);
+ fill_line_ends(rev->diffopt.repo, pair->two, &t_lines, &t_ends);
- printf("%s%sdiff --git a/%s b/%s%s\n", prefix, c_meta, pair->one->path, pair->two->path, c_reset);
- printf("%s%s--- %s%s%s\n", prefix, c_meta,
- pair->one->sha1_valid ? "a/" : "",
- pair->one->sha1_valid ? pair->one->path : "/dev/null",
+ fprintf(opt->file, "%s%sdiff --git a/%s b/%s%s\n", prefix, c_meta, pair->one->path, pair->two->path, c_reset);
+ fprintf(opt->file, "%s%s--- %s%s%s\n", prefix, c_meta,
+ pair->one->oid_valid ? "a/" : "",
+ pair->one->oid_valid ? pair->one->path : "/dev/null",
c_reset);
- printf("%s%s+++ b/%s%s\n", prefix, c_meta, pair->two->path, c_reset);
+ fprintf(opt->file, "%s%s+++ b/%s%s\n", prefix, c_meta, pair->two->path, c_reset);
for (i = 0; i < range->ranges.nr; i++) {
long p_start, p_end;
long t_start = range->ranges.ranges[i].start;
long t_end = range->ranges.ranges[i].end;
long t_cur = t_start;
- int j_last;
+ unsigned int j_last;
while (j < diff->target.nr && diff->target.ranges[j].end < t_start)
j++;
}
/* Now output a diff hunk for this range */
- printf("%s%s@@ -%ld,%ld +%ld,%ld @@%s\n",
+ fprintf(opt->file, "%s%s@@ -%ld,%ld +%ld,%ld @@%s\n",
prefix, c_frag,
p_start+1, p_end-p_start, t_start+1, t_end-t_start,
c_reset);
int k;
for (; t_cur < diff->target.ranges[j].start; t_cur++)
print_line(prefix, ' ', t_cur, t_ends, pair->two->data,
- c_plain, c_reset);
+ c_context, c_reset, opt->file);
for (k = diff->parent.ranges[j].start; k < diff->parent.ranges[j].end; k++)
print_line(prefix, '-', k, p_ends, pair->one->data,
- c_old, c_reset);
+ c_old, c_reset, opt->file);
for (; t_cur < diff->target.ranges[j].end && t_cur < t_end; t_cur++)
print_line(prefix, '+', t_cur, t_ends, pair->two->data,
- c_new, c_reset);
+ c_new, c_reset, opt->file);
j++;
}
for (; t_cur < t_end; t_cur++)
print_line(prefix, ' ', t_cur, t_ends, pair->two->data,
- c_plain, c_reset);
+ c_context, c_reset, opt->file);
}
free(p_ends);
*/
static void dump_diff_hacky(struct rev_info *rev, struct line_log_data *range)
{
- puts(output_prefix(&rev->diffopt));
+ fprintf(rev->diffopt.file, "%s\n", output_prefix(&rev->diffopt));
while (range) {
dump_diff_hacky_one(rev, range);
range = range->next;
if (rg->ranges.nr == 0)
return 0;
- assert(pair->two->sha1_valid);
- diff_populate_filespec(pair->two, 0);
+ assert(pair->two->oid_valid);
+ diff_populate_filespec(rev->diffopt.repo, pair->two, NULL);
file_target.ptr = pair->two->data;
file_target.size = pair->two->size;
- if (pair->one->sha1_valid) {
- diff_populate_filespec(pair->one, 0);
+ if (pair->one->oid_valid) {
+ diff_populate_filespec(rev->diffopt.repo, pair->one, NULL);
file_parent.ptr = pair->one->data;
file_parent.size = pair->one->size;
} else {
static struct diff_filepair *diff_filepair_dup(struct diff_filepair *pair)
{
- struct diff_filepair *new = xmalloc(sizeof(struct diff_filepair));
- new->one = pair->one;
- new->two = pair->two;
- new->one->count++;
- new->two->count++;
- return new;
+ struct diff_filepair *new_filepair = xmalloc(sizeof(struct diff_filepair));
+ new_filepair->one = pair->one;
+ new_filepair->two = pair->two;
+ new_filepair->one->count++;
+ new_filepair->two->count++;
+ return new_filepair;
}
static void free_diffqueues(int n, struct diff_queue_struct *dq)
rg->pair = diff_filepair_dup(queue->queue[i]);
memcpy(&rg->diff, pairdiff, sizeof(struct diff_ranges));
}
+ free(pairdiff);
}
return changed;
int line_log_print(struct rev_info *rev, struct commit *commit)
{
- struct line_log_data *range = lookup_line_range(rev, commit);
show_log(rev);
- dump_diff_hacky(rev, range);
+ if (!(rev->diffopt.output_format & DIFF_FORMAT_NO_OUTPUT)) {
+ struct line_log_data *range = lookup_line_range(rev, commit);
+ dump_diff_hacky(rev, range);
+ }
return 1;
}
+static int bloom_filter_check(struct rev_info *rev,
+ struct commit *commit,
+ struct line_log_data *range)
+{
+ struct bloom_filter *filter;
+ struct bloom_key key;
+ int result = 0;
+
+ if (!commit->parents)
+ return 1;
+
+ if (!rev->bloom_filter_settings ||
+ !(filter = get_bloom_filter(rev->repo, commit)))
+ return 1;
+
+ if (!range)
+ return 0;
+
+ while (!result && range) {
+ fill_bloom_key(range->path, strlen(range->path), &key, rev->bloom_filter_settings);
+
+ if (bloom_filter_contains(filter, &key, rev->bloom_filter_settings))
+ result = 1;
+
+ clear_bloom_key(&key);
+ range = range->next;
+ }
+
+ return result;
+}
+
static int process_ranges_ordinary_commit(struct rev_info *rev, struct commit *commit,
struct line_log_data *range)
{
queue_diffs(range, &rev->diffopt, &queue, commit, parent);
changed = process_all_files(&parent_range, rev, &queue, range);
+
if (parent)
add_line_range(rev, parent, parent_range);
+ free_line_log_data(parent_range);
return changed;
}
if (nparents > 1 && rev->first_parent_only)
nparents = 1;
- diffqueues = xmalloc(nparents * sizeof(*diffqueues));
- cand = xmalloc(nparents * sizeof(*cand));
- parents = xmalloc(nparents * sizeof(*parents));
+ ALLOC_ARRAY(diffqueues, nparents);
+ ALLOC_ARRAY(cand, nparents);
+ ALLOC_ARRAY(parents, nparents);
p = commit->parents;
for (i = 0; i < nparents; i++) {
/* NEEDSWORK leaking like a sieve */
}
-static int process_ranges_arbitrary_commit(struct rev_info *rev, struct commit *commit)
+int line_log_process_ranges_arbitrary_commit(struct rev_info *rev, struct commit *commit)
{
struct line_log_data *range = lookup_line_range(rev, commit);
int changed = 0;
if (range) {
- if (!commit->parents || !commit->parents->next)
+ if (commit->parents && !bloom_filter_check(rev, commit, range)) {
+ struct line_log_data *prange = line_log_data_copy(range);
+ add_line_range(rev, commit->parents->item, prange);
+ clear_commit_line_range(rev, commit);
+ } else if (!commit->parents || !commit->parents->next)
changed = process_ranges_ordinary_commit(rev, commit, range);
else
changed = process_ranges_merge_commit(rev, commit, range);
while (list) {
struct commit_list *to_free = NULL;
commit = list->item;
- if (process_ranges_arbitrary_commit(rev, commit)) {
+ if (line_log_process_ranges_arbitrary_commit(rev, commit)) {
*pp = list;
pp = &list->next;
} else
projects / platform / upstream / git.git / blobdiff