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gcov.c (STRING_SIZE): Remove.

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* gcov.c (STRING_SIZE): Remove.
	(generate_results): Erase annotations for source files with no
	coverage information.
	(read_line): New.
	(output_lines): Use it.

From-SVN: r183105
This commit is contained in:
Nathan Sidwell 2012-01-11 18:58:30 +00:00 • committed by Nathan Sidwell
parent 3ad065efe1
commit 8f961b2265
2 changed files with 77 additions and 46 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2012-01-11 Nathan Sidwell <nathan@acm.org>
* gcov.c (STRING_SIZE): Remove.
(generate_results): Erase annotations for source files with no
coverage information.
(read_line): New.
(output_lines): Use it.
2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
* gimple.h (gimplify_body): Remove first argument.

115
gcc/gcov.c
View file

@ -64,8 +64,6 @@ along with Gcov; see the file COPYING3. If not see
/* This is the size of the buffer used to read in source file lines. */
#define STRING_SIZE 200
struct function_info;
struct block_info;
struct source_info;
@ -708,24 +706,33 @@ generate_results (const char *file_name)
function_summary (&src->coverage, "File");
total_lines += src->coverage.lines;
total_executed += src->coverage.lines_executed;
if (flag_gcov_file && src->coverage.lines)
if (flag_gcov_file)
{
char *gcov_file_name
= make_gcov_file_name (file_name, src->coverage.name);
FILE *gcov_file = fopen (gcov_file_name, "w");
if (gcov_file)
if (src->coverage.lines)
{
fnotice (stdout, "Creating '%s'\n", gcov_file_name);
output_lines (gcov_file, src);
if (ferror (gcov_file))
FILE *gcov_file = fopen (gcov_file_name, "w");
if (gcov_file)
{
fnotice (stdout, "Creating '%s'\n", gcov_file_name);
output_lines (gcov_file, src);
if (ferror (gcov_file))
fnotice (stderr, "Error writing output file '%s'\n",
gcov_file_name);
fclose (gcov_file);
fclose (gcov_file);
}
else
fnotice (stderr, "Could not open output file '%s'\n",
gcov_file_name);
}
else
fnotice (stderr, "Could not open output file '%s'\n",
gcov_file_name);
{
unlink (gcov_file_name);
fnotice (stdout, "Removing '%s'\n", gcov_file_name);
}
free (gcov_file_name);
}
fnotice (stdout, "\n");
@ -2188,6 +2195,44 @@ output_branch_count (FILE *gcov_file, int ix, const arc_t *arc)
}
static const char *
read_line (FILE *file)
{
static char *string;
static size_t string_len;
size_t pos = 0;
char *ptr;
if (!string_len)
{
string_len = 200;
string = XNEWVEC (char, string_len);
}
while ((ptr = fgets (string + pos, string_len - pos, file)))
{
size_t len = strlen (string + pos);
if (string[pos + len - 1] == '\n')
{
string[pos + len - 1] = 0;
return string;
}
pos += len;
ptr = XNEWVEC (char, string_len * 2);
if (ptr)
{
memcpy (ptr, string, pos);
string = ptr;
string_len += 2;
}
else
pos = 0;
}
return pos ? string : NULL;
}
/* Read in the source file one line at a time, and output that line to
the gcov file preceded by its execution count and other
information. */
@ -2198,8 +2243,7 @@ output_lines (FILE *gcov_file, const source_t *src)
FILE *source_file;
unsigned line_num; /* current line number. */
const line_t *line; /* current line info ptr. */
char string[STRING_SIZE]; /* line buffer. */
char const *retval = ""; /* status of source file reading. */
const char *retval = ""; /* status of source file reading. */
function_t *fn = NULL;
fprintf (gcov_file, "%9s:%5d:Source:%s\n", "-", 0, src->coverage.name);
@ -2246,31 +2290,20 @@ output_lines (FILE *gcov_file, const source_t *src)
fprintf (gcov_file, "\n");
}
if (retval)
retval = read_line (source_file);
/* For lines which don't exist in the .bb file, print '-' before
the source line. For lines which exist but were never
executed, print '#####' before the source line. Otherwise,
print the execution count before the source line. There are
16 spaces of indentation added before the source line so that
tabs won't be messed up. */
fprintf (gcov_file, "%9s:%5u:",
executed, print '#####' or '=====' before the source line.
Otherwise, print the execution count before the source line.
There are 16 spaces of indentation added before the source
line so that tabs won't be messed up. */
fprintf (gcov_file, "%9s:%5u:%s\n",
!line->exists ? "-" : line->count
? format_gcov (line->count, 0, -1)
: line->unexceptional ? "#####" : "=====", line_num);
if (retval)
{
/* Copy source line. */
do
{
retval = fgets (string, STRING_SIZE, source_file);
if (!retval)
break;
fputs (retval, gcov_file);
}
while (!retval[0] || retval[strlen (retval) - 1] != '\n');
}
if (!retval)
fputs ("/*EOF*/\n", gcov_file);
: line->unexceptional ? "#####" : "=====", line_num,
retval ? retval : "/*EOF*/");
if (flag_all_blocks)
{
@ -2306,18 +2339,8 @@ output_lines (FILE *gcov_file, const source_t *src)
last line of code. */
if (retval)
{
for (; (retval = fgets (string, STRING_SIZE, source_file)); line_num++)
{
fprintf (gcov_file, "%9s:%5u:%s", "-", line_num, retval);
while (!retval[0] || retval[strlen (retval) - 1] != '\n')
{
retval = fgets (string, STRING_SIZE, source_file);
if (!retval)
break;
fputs (retval, gcov_file);
}
}
for (; (retval = read_line (source_file)); line_num++)
fprintf (gcov_file, "%9s:%5u:%s\n", "-", line_num, retval);
}
if (source_file)