1 files changed, 68 insertions, 0 deletions
diff --git a/tools/common/debug.h b/tools/common/debug.h
new file mode 100644
index 00000000..ace00876
--- /dev/null
+++ b/tools/common/debug.h
@@ -0,0 +1,68 @@
+#pragma once
+
+#include <functional>
+#include <vector>
+#include <sstream>
+
+typedef ::std::function<void(::std::ostream& os)> dbg_cb_t;
+extern void Debug_SetPhase(const char* phase_name);
+extern void Debug_DisablePhase(const char* phase_name);
+extern bool Debug_IsEnabled();
+extern void Debug_EnterScope(const char* name, dbg_cb_t );
+extern void Debug_LeaveScope(const char* name, dbg_cb_t );
+extern void Debug_Print(dbg_cb_t cb);
+
+#if defined(NOLOG)
+# define DEBUG(fmt)  do { } while(0)
+# define TRACE_FUNCTION_F(fmt) do{}while(0)
+#else
+# define DEBUG(fmt)  do { Debug_Print([&](auto& os){ os << "DEBUG: " << fmt; }); } while(0)
+# define TRACE_FUNCTION_F(fmt) DebugFunctionScope  trace_function_hdr { __FUNCTION__, [&](auto& os){ os << fmt; } }
+#endif
+#define TODO(fmt)   do { ::std::cerr << "TODO: " << fmt << ::std::endl; abort(); } while(0)
+
+namespace {
+    static inline void format_to_stream(::std::ostream& os) {
+    }
+    template<typename T, typename... A>
+    static inline void format_to_stream(::std::ostream& os, const T& v, const A&... a) {
+        os << v;
+        format_to_stream(os, a...);
+    }
+}
+
+struct DebugFunctionScope {
+    const char* m_name;
+    DebugFunctionScope(const char* name, dbg_cb_t cb):
+        m_name(name)
+    {
+        Debug_EnterScope(m_name, cb);
+    }
+    ~DebugFunctionScope()
+    {
+        Debug_LeaveScope(m_name, [](auto& ){});
+    }
+};
+
+template<typename ...T>
+::std::string format(const T&... v)
+{
+    ::std::stringstream ss;
+    format_to_stream(ss, v...);
+    return ss.str();
+}
+
+template<typename T>
+::std::ostream& operator<<(::std::ostream& os, const ::std::vector<T>& v)
+{
+    bool first = true;
+    for(const auto& e : v)
+    {
+        if(!first)
+            os << ",";
+        os << e;
+        first = false;
+    }
+    return os;
+}
+