qf/quakeforge
0
0
Fork 0
mirror of https://git.code.sf.net/p/quake/quakeforge synced 2024-11-10 07:11:41 +00:00
Code Issues Projects Releases Packages Wiki Activity

Don't draw arrows leaving return statements.

Browse source 
Return statements never flow to the next block (or any other block, for
that matter), so drawing arrows leaving them not only messes up dot's
graphs, but is quite missleading.
This commit is contained in:
Bill Currie 2012-05-05 18:04:10 +09:00
parent 099d9ec3f2
commit 55ecf94f2d
1 changed files with 10 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
tools/qfcc/source/dot_flow.c
View file

@ -172,6 +172,14 @@ is_goto (statement_t *s)
return !strcmp (s->opcode, "<GOTO>");
}
static int
is_return (statement_t *s)
{
if (!s)
return 0;
return !strncmp (s->opcode, "<RETURN", 7);
}
static sblock_t *
get_target (statement_t *s)
{
@ -211,7 +219,8 @@ flow_sblock (dstring_t *dstr, sblock_t *sblock, int blockno)
dasprintf (dstr, " <td></td>\n");
dasprintf (dstr, " </tr>\n");
dasprintf (dstr, " </table>>];\n");
if (sblock->next && !is_goto ((statement_t *) sblock->tail))
if (sblock->next && !is_goto ((statement_t *) sblock->tail)
&& !is_return ((statement_t *) sblock->tail))
dasprintf (dstr, " sb_%p:e -> sb_%p:s;\n", sblock, sblock->next);
if ((target = get_target ((statement_t *) sblock->tail)))
dasprintf (dstr, " sb_%p:e -> sb_%p:s [label=\"%s\"];\n", sblock,