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Make debug printing a little smarter.

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When a field or global name is used, the printed value reflects the type
of that variable.
This commit is contained in:
Bill Currie 2011-09-06 23:48:31 +09:00
parent 505660dffe
commit 581539f7af
1 changed files with 23 additions and 9 deletions
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32
libs/gamecode/engine/pr_debug.c
View file

@ -126,17 +126,22 @@ pr_debug_expression_error (script_t *script, const char *msg)
Sys_Printf ("%s\n", msg);
}
static pr_type_t *
static ddef_t
parse_expression (progs_t *pr, const char *expr, int conditional)
{
script_t *es;
char *e;
pr_type_t *expr_ptr;
ddef_t d;
d.ofs = 0;
d.type = ev_invalid;
d.s_name = 0;
es = Script_New ();
es->error = pr_debug_expression_error;
Script_Start (es, "<console>", expr);
expr_ptr = 0;
es->single = "{}()':[].";
if (Script_GetToken (es, 1)) {
if (strequal (es->token->str, "[")) {
edict_t *ent;
@ -156,16 +161,21 @@ parse_expression (progs_t *pr, const char *expr, int conditional)
field = PR_FindField (pr, es->token->str);
if (!field)
goto error;
d = *field;
expr_ptr = &ent->v[field->ofs];
d.ofs = PR_SetPointer (pr, expr_ptr);
} else if (isdigit (es->token->str[0])) {
expr_ptr = PR_GetPointer (pr, strtol (es->token->str, 0, 0));
d.type = ev_void;
d.ofs = PR_SetPointer (pr, expr_ptr);
} else {
ddef_t *global = PR_FindGlobal (pr, es->token->str);
if (!global)
goto error;
expr_ptr = PR_GetPointer (pr, global->ofs);
d = *global;
}
if (conditional) {
es->single = "{}()':[]";
pr->wp_conditional = 0;
if (Script_TokenAvailable (es, 1)) {
if (!Script_GetToken (es, 1)
@ -185,7 +195,8 @@ parse_expression (progs_t *pr, const char *expr, int conditional)
Sys_Printf ("ignoring tail\n");
}
error:
return expr_ptr;
Script_Delete (es);
return d;
}
void
@ -735,6 +746,7 @@ global_string (progs_t *pr, pr_int_t ofs, etype_t type, int contents)
VISIBLE void
PR_Debug_Watch (progs_t *pr, const char *expr)
{
ddef_t watch;
if (!expr) {
Sys_Printf ("watch <watchpoint expr>\n");
if (pr->watch) {
@ -749,7 +761,10 @@ PR_Debug_Watch (progs_t *pr, const char *expr)
return;
}
pr->watch = parse_expression (pr, expr, 1);
pr->watch = 0;
watch = parse_expression (pr, expr, 1);
if (watch.type != ev_invalid)
pr->watch = &pr->pr_globals[watch.ofs];
if (pr->watch) {
Sys_Printf ("watchpoint set to [%d]\n", PR_SetPointer (pr, pr->watch));
if (pr->wp_conditional)
@ -762,7 +777,7 @@ PR_Debug_Watch (progs_t *pr, const char *expr)
VISIBLE void
PR_Debug_Print (progs_t *pr, const char *expr)
{
pr_type_t *print;
ddef_t print;
if (!expr) {
Sys_Printf ("print <print expr>\n");
@ -770,10 +785,9 @@ PR_Debug_Print (progs_t *pr, const char *expr)
}
print = parse_expression (pr, expr, 0);
if (print) {
pr_int_t ofs = PR_SetPointer (pr, print);
const char *s = global_string (pr, ofs, ev_void, 1);
Sys_Printf ("[%d] = %s\n", ofs, s);
if (print.type != ev_invalid) {
const char *s = global_string (pr, print.ofs, print.type, 1);
Sys_Printf ("[%d] = %s\n", print.ofs, s);
}
}