Call *Parser::parse_leave(Mode mode) {
unsigned call_no = read_uint();
Call *call = NULL;
for (CallList::iterator it = calls.begin(); it != calls.end(); ++it) {
if ((*it)->no == call_no) {
call = *it;
calls.erase(it);
break;
}
}
if (!call) {
/* This might happen on random access, when an asynchronous call is stranded
* between two frames. We won't return this call, but we still need to skip
* over its data.
*/
const FunctionSig sig = {0, NULL, 0, NULL};
call = new Call(&sig, 0, 0);
parse_call_details(call, SCAN);
delete call;
return NULL;
}
if (parse_call_details(call, mode)) {
return call;
} else {
delete call;
return NULL;
}
}
void Parser::parse_enter(void) {
size_t id = read_uint();
FunctionSig *sig = lookup(functions, id);
if (!sig) {
sig = new FunctionSig;
sig->id = id;
sig->name = read_string();
sig->num_args = read_uint();
const char **arg_names = new const char *[sig->num_args];
for (unsigned i = 0; i < sig->num_args; ++i) {
arg_names[i] = read_string();
}
sig->arg_names = arg_names;
functions[id] = sig;
}
assert(sig);
Call *call = new Call(sig);
call->no = next_call_no++;
if (parse_call_details(call)) {
calls.push_back(call);
} else {
delete call;
}
}
Call *Parser::parse_leave(Mode mode) {
unsigned call_no = read_uint();
Call *call = NULL;
for (CallList::iterator it = calls.begin(); it != calls.end(); ++it) {
if ((*it)->no == call_no) {
call = *it;
calls.erase(it);
break;
}
}
if (!call) {
return NULL;
}
if (parse_call_details(call, mode)) {
return call;
} else {
delete call;
return NULL;
}
}
void Parser::parse_enter(Mode mode) {
unsigned thread_id;
if (version >= 4) {
thread_id = read_uint();
} else {
thread_id = 0;
}
FunctionSigFlags *sig = parse_function_sig();
Call *call = new Call(sig, sig->flags, thread_id);
call->no = next_call_no++;
if (parse_call_details(call, mode)) {
calls.push_back(call);
} else {
delete call;
}
}