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[gamecode] Be more informative with function calls

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PR_EnterFunction and PR_LeaveFunction now print the
entered/left/returned function when tracing. Makes debugging obj code
much easier.
This commit is contained in:
Bill Currie 2020-03-24 13:24:55 +09:00
parent 30519e93fb
commit 753d183d82
1 changed files with 19 additions and 2 deletions
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21
libs/gamecode/pr_exec.c
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@ -188,6 +188,11 @@ PR_EnterFunction (progs_t *pr, bfunction_t *f)
pr_type_t *dstParams[MAX_PARMS]; pr_type_t *dstParams[MAX_PARMS];
pointer_t paramofs = 0; pointer_t paramofs = 0;
if (pr->pr_trace) {
Sys_Printf ("Entering function %s\n",
PR_GetString (pr, f->descriptor->s_name));
}
PR_PushFrame (pr); PR_PushFrame (pr);
if (f->numparms > 0) { if (f->numparms > 0) {
@ -268,12 +273,24 @@ PR_EnterFunction (progs_t *pr, bfunction_t *f)
} }
static void static void
PR_LeaveFunction (progs_t *pr) PR_LeaveFunction (progs_t *pr, int to_engine)
{ {
bfunction_t *f = pr->pr_xfunction; bfunction_t *f = pr->pr_xfunction;
PR_PopFrame (pr); PR_PopFrame (pr);
if (pr->pr_trace) {
Sys_Printf ("Leaving function %s\n",
PR_GetString (pr, f->descriptor->s_name));
if (to_engine) {
Sys_Printf ("Returning to engine\n");
} else {
bfunction_t *rf = pr->pr_xfunction;
Sys_Printf ("Returning to function %s\n",
PR_GetString (pr, rf->descriptor->s_name));
}
}
// restore locals from the stack // restore locals from the stack
pr->localstack_used -= f->locals; pr->localstack_used -= f->locals;
if (pr->localstack_used < 0) if (pr->localstack_used < 0)
@ -1443,7 +1460,7 @@ op_call:
case OP_RETURN_V: case OP_RETURN_V:
pr->pr_xfunction->profile += profile - startprofile; pr->pr_xfunction->profile += profile - startprofile;
startprofile = profile; startprofile = profile;
PR_LeaveFunction (pr); PR_LeaveFunction (pr, pr->pr_depth == exitdepth);
st = pr->pr_statements + pr->pr_xstatement; st = pr->pr_statements + pr->pr_xstatement;
if (pr->pr_depth == exitdepth) { if (pr->pr_depth == exitdepth) {
if (pr->pr_trace && pr->pr_depth <= pr->pr_trace_depth) if (pr->pr_trace && pr->pr_depth <= pr->pr_trace_depth)