AK: Add outf, warnf and dbgf.

3 files changed, 33 insertions, 0 deletions

diff --git a/AK/Format.cpp b/AK/Format.cpp
index 9868a559b2..18a3819c25 100644
--- a/AK/Format.cpp
+++ b/AK/Format.cpp
@@ -142,6 +142,12 @@ void vformat(StringBuilder& builder, StringView fmtstr, AK::Span<const TypeErase
 
     vformat(builder, fmtstr.substring_view(closing + 1), parameters, argument_index);
 }
+void vformat(const LogStream& stream, StringView fmtstr, Span<const TypeErasedParameter> parameters)
+{
+    StringBuilder builder;
+    vformat(builder, fmtstr, parameters);
+    stream << builder.to_string();
+}
 
 bool Formatter<StringView>::parse(StringView flags)
 {
diff --git a/AK/Format.h b/AK/Format.h
index 0d9ba16349..8646915da0 100644
--- a/AK/Format.h
+++ b/AK/Format.h
@@ -92,5 +92,6 @@ Array<TypeErasedParameter, sizeof...(Parameters)> make_type_erased_parameters(co
 }
 
 void vformat(StringBuilder& builder, StringView fmtstr, Span<const TypeErasedParameter>, size_t argument_index = 0);
+void vformat(const LogStream& stream, StringView fmtstr, Span<const TypeErasedParameter>);
 
 } // namespace AK
diff --git a/AK/LogStream.h b/AK/LogStream.h
index cfe88f1d14..5cbafccadf 100644
--- a/AK/LogStream.h
+++ b/AK/LogStream.h
@@ -26,6 +26,7 @@
 
 #pragma once
 
+#include <AK/Format.h>
 #include <AK/Forward.h>
 #include <AK/Types.h>
 #include <AK/kmalloc.h>
@@ -206,13 +207,38 @@ DebugLogStream klog();
 
 void dump_bytes(ReadonlyBytes);
 
+#ifndef KERNEL
+template<typename... Parameters>
+void outf(StringView fmtstr, const Parameters&... parameters)
+{
+    const auto type_erased_parameters = make_type_erased_parameters(parameters...);
+    vformat(out(), fmtstr, type_erased_parameters);
+}
+template<typename... Parameters>
+void warnf(StringView fmtstr, const Parameters&... parameters)
+{
+    const auto type_erased_parameters = make_type_erased_parameters(parameters...);
+    vformat(warn(), fmtstr, type_erased_parameters);
+}
+#endif
+
+template<typename... Parameters>
+void dbgf(StringView fmtstr, const Parameters&... parameters)
+{
+    const auto type_erased_parameters = make_type_erased_parameters(parameters...);
+    vformat(dbg(), fmtstr, type_erased_parameters);
+}
+
 }
 
 using AK::dbg;
+using AK::dbgf;
 using AK::klog;
 using AK::LogStream;
 
 #if !defined(KERNEL)
 using AK::out;
+using AK::outf;
 using AK::warn;
+using AK::warnf;
 #endif