Add Util support

Author: Kyle-Ye

Sources/OpenBox/Util/assert.cpp

@@ -0,0 +1,43 @@
+//
+//  assert.cpp
+//  OpenBox
+
+#include "assert.hpp"
+#include "log.hpp"
+
+char* error_message = nullptr;
+
+namespace OB {
+void precondition_failure(const char *format, ...) {
+    char* s = nullptr;
+    va_list va;
+    va_start(va, format);
+    vasprintf(&s, format, va);
+    va_end(va);
+    if (s != nullptr) {
+        #if OB_TARGET_OS_DARWIN
+        os_log_error(error_log(), "precondition failure: %s", s);
+        #endif /* OB_TARGET_OS_DARWIN */
+        if (error_message == nullptr) {
+            asprintf(&error_message, "OpenGraph precondition failure: %s.\n", s);
+        }
+        free(s);
+    }
+    abort();
+}
+
+void non_fatal_precondition_failure(const char *format, ...) {
+    char* s = nullptr;
+    va_list va;
+    va_start(va, format);
+    vasprintf(&s, format, va);
+    va_end(va);
+    if (s != nullptr) {
+        #if OB_TARGET_OS_DARWIN
+        os_log_fault(error_log(), "precondition failure: %s", s);
+        #endif /* OB_TARGET_OS_DARWIN */
+        free(s);
+    }
+    return;
+}
+} /* OB */

Sources/OpenBox/Util/assert.hpp

@@ -0,0 +1,15 @@
+//
+//  assert.hpp
+//  OpenBox
+
+#ifndef assert_hpp
+#define assert_hpp
+
+#include "OBBase.h"
+
+namespace OB {
+void precondition_failure(const char *format, ...) __cold __dead2;
+void non_fatal_precondition_failure(const char *format, ...);
+} /* OB */
+
+#endif /* assert_hpp */

Sources/OpenBox/Util/log.cpp

@@ -0,0 +1,20 @@
+//
+//  OGLog.cpp
+//  OpenBox
+
+#include "log.hpp"
+
+#if OB_TARGET_OS_DARWIN
+
+namespace OB {
+os_log_t misc_log() {
+    static os_log_t log = os_log_create("org.openswiftuiproject.openbox", "misc");
+    return log;
+}
+os_log_t error_log() {
+    static os_log_t log = os_log_create("org.openswiftuiproject.openbox", "error");
+    return log;
+}
+} /* OB */
+
+#endif /* OB_TARGET_OS_DARWIN */

Sources/OpenBox/Util/log.hpp

@@ -0,0 +1,21 @@
+//
+//  log.hpp
+//  OpenBox
+
+#ifndef log_hpp
+#define log_hpp
+
+#include "OBBase.h"
+
+#if OB_TARGET_OS_DARWIN
+
+#include <os/log.h>
+
+namespace OB {
+os_log_t misc_log();
+os_log_t error_log();
+} /* OB */
+
+#endif /* OB_TARGET_OS_DARWIN */
+
+#endif /* log_hpp */