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u/var: Put in a namespace and add some documentation

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This commit is contained in:
Jakob Bornecrantz 2022-05-17 14:54:40 +01:00
parent 812c6e46b0
commit cf9c5b9dc7
1 changed files with 35 additions and 19 deletions
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54
src/xrt/auxiliary/util/u_var.cpp
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@ -1,4 +1,4 @@
// Copyright 2019, Collabora, Ltd.
// Copyright 2019-2022, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
* @file
@ -19,19 +19,27 @@
#include <unordered_map>
namespace xrt::auxiliary::util {
/*
*
* Enums, Classes and Defines.
*
*/
/*!
* Simple container for the variable information.
*/
class Var
{
public:
struct u_var_info info = {};
};
/*!
* Object that has a series of tracked variables.
*/
class Obj
{
public:
@ -39,6 +47,9 @@ public:
std::vector<Var> vars = {};
};
/*!
* Object that has a series of tracked variables.
*/
class Tracker
{
public:
@ -59,7 +70,10 @@ public:
}
};
static class Tracker tracker;
/*!
* Global variable tracking state.
*/
static class Tracker gTracker;
/*
@ -71,20 +85,20 @@ static class Tracker tracker;
static bool
get_on()
{
if (tracker.tested) {
return tracker.on;
if (gTracker.tested) {
return gTracker.on;
}
tracker.on = debug_get_bool_option("XRT_TRACK_VARIABLES", false);
tracker.tested = true;
gTracker.on = debug_get_bool_option("XRT_TRACK_VARIABLES", false);
gTracker.tested = true;
return tracker.on;
return gTracker.on;
}
static void
add_var(void *root, void *ptr, u_var_kind kind, const char *c_name)
{
auto s = tracker.map.find((ptrdiff_t)root);
if (s == tracker.map.end()) {
auto s = gTracker.map.find((ptrdiff_t)root);
if (s == gTracker.map.end()) {
return;
}
@ -106,8 +120,8 @@ add_var(void *root, void *ptr, u_var_kind kind, const char *c_name)
extern "C" void
u_var_force_on(void)
{
tracker.on = true;
tracker.tested = true;
gTracker.on = true;
gTracker.tested = true;
}
extern "C" void
@ -120,14 +134,14 @@ u_var_add_root(void *root, const char *c_name, bool number)
auto name = std::string(c_name);
if (number) {
int count = tracker.getNumber(name);
int count = gTracker.getNumber(name);
std::stringstream ss;
ss << name << " #" << count;
name = ss.str();
}
auto &obj = tracker.map[(ptrdiff_t)root] = Obj();
auto &obj = gTracker.map[(ptrdiff_t)root] = Obj();
obj.name = name;
}
@ -138,12 +152,12 @@ u_var_remove_root(void *root)
return;
}
auto s = tracker.map.find((ptrdiff_t)root);
if (s == tracker.map.end()) {
auto s = gTracker.map.find((ptrdiff_t)root);
if (s == gTracker.map.end()) {
return;
}
tracker.map.erase(s);
gTracker.map.erase(s);
}
extern "C" void
@ -154,9 +168,9 @@ u_var_visit(u_var_root_cb enter_cb, u_var_root_cb exit_cb, u_var_elm_cb elem_cb,
}
std::vector<Obj *> tmp;
tmp.reserve(tracker.map.size());
tmp.reserve(gTracker.map.size());
for (auto &n : tracker.map) {
for (auto &n : gTracker.map) {
tmp.push_back(&n.second);
}
@ -183,3 +197,5 @@ u_var_visit(u_var_root_cb enter_cb, u_var_root_cb exit_cb, u_var_elm_cb elem_cb,
U_VAR_ADD_FUNCS()
#undef ADD_FUNC
} // namespace xrt::auxiliary::util