Make some log only available in debug builds

Author: Yaraslaut

src/crispy/logstore.h

@@ -350,6 +350,9 @@ inline void sink::set_writer(writer writer)
 // }}}
 
 auto inline errorLog = logstore::category("error", "Error Logger", category::state::Enabled);
+// clang-format off
+auto inline emptyLog = []() { return [](auto&&...) {};};
+// clang-format on
 
 #define errorLog() (::logstore::errorLog())
 

src/vtbackend/Line.cpp

@@ -168,7 +168,8 @@ struct TrivialLineInflater
 
     InflatedLineBuffer<Cell> inflate() &&
     {
-        vtParserLog()("Inflating TrivialLineBuffer: '{}'", input.text.data() ? crispy::escape(input.text.data()) : "");
+        vtParserLog()("Inflating TrivialLineBuffer: '{}'",
+                      input.text.data() ? crispy::escape(input.text.data()) : "");
         auto lineSegmenter = unicode::grapheme_line_segmenter { *this, input.text.view() };
         [[maybe_unused]] auto result = lineSegmenter.process(std::numeric_limits<unsigned>::max());
         assert(result.stop_condition == unicode::StopCondition::EndOfInput);
@@ -188,7 +189,6 @@ struct TrivialLineInflater
 
     void on_invalid(std::string_view /*invalid*/) noexcept
     {
-        fmt::print("inflate invalid\n");
         static constexpr char32_t ReplacementCharacter { 0xFFFD };
 
         columns.emplace_back();
@@ -198,7 +198,6 @@ struct TrivialLineInflater
 
     void on_ascii(std::string_view text) noexcept
     {
-        fmt::print("inflate ASCII: '{}'\n", text);
         for (auto const ch: text)
         {
             columns.emplace_back();
@@ -209,7 +208,6 @@ struct TrivialLineInflater
 
     void on_grapheme_cluster(std::string_view text, unsigned width) noexcept
     {
-        fmt::print("inflate GC: '{}', width: {}\n", text, width);
         columns.emplace_back(input.textAttributes, input.hyperlink);
         Cell& cell = columns.back();
         cell.setHyperlink(input.hyperlink);
@@ -220,20 +218,16 @@ struct TrivialLineInflater
             unicode::ConvertResult const r = unicode::from_utf8(utf8DecoderState, static_cast<uint8_t>(ch));
             if (auto const* cp = std::get_if<unicode::Success>(&r))
             {
-                std::cout << fmt::format(" - codepoint: U+{:X}\n", (unsigned) cp->value);
                 if (cell.codepointCount() == 0)
                     cell.setCharacter(cp->value);
                 else
                     (void) cell.appendCharacter(cp->value);
             }
         }
 
-        fmt::print(" -> result (UTF-8): \"{}\"\n", cell.toUtf8());
-
         // Fill remaining columns for wide characters
         for (unsigned i = 1; i < width; ++i)
         {
-            std::cout << fmt::format(" - continuation\n");
             columns.emplace_back(input.textAttributes.with(CellFlag::WideCharContinuation), input.hyperlink);
             cell.setWidth(width);
         }

src/vtbackend/logging.h

@@ -8,10 +8,20 @@ namespace vtbackend
 
 auto const inline terminalLog = logstore::category("vt.session", "Logs general terminal events.");
 auto const inline inputLog = logstore::category("vt.input", "Logs terminal keyboard/mouse input events.");
-auto const inline vtParserLog = logstore::category("vt.parser", "Logs terminal parser errors.");
+auto const inline vtParserLog =
+#if defined(DEBUG)
+    logstore::category("vt.parser", "Logs terminal parser errors.");
+#else
+    logstore::emptyLog;
+#endif
 
 #if defined(LIBTERMINAL_LOG_TRACE)
-auto const inline vtTraceSequenceLog = logstore::category("vt.trace.sequence", "Logs terminal screen trace.");
+auto const inline vtTraceSequenceLog =
+    #if defined(DEBUG)
+    logstore::category("vt.trace.sequence", "Logs terminal screen trace.");
+    #else
+    logstore::emptyLog;
+    #endif
 #endif
 
 auto const inline renderBufferLog = logstore::category("vt.renderbuffer", "Render Buffer Objects");

src/vtparser/Parser-impl.h

@@ -498,7 +498,6 @@ auto Parser<EventListener, TraceStateChanges>::makeParseBulkResult(char const* i
             {
                 unicode::grapheme_segmentation_result const flushResult =
                     _graphemeLineSegmenter.flush(maxCharCount - resultWidth);
-                std::cout << "flushResult: " << flushResult << '\n';
                 if (!flushResult.text.empty())
                 {
                     auto const text = std::string_view { flushResult.text.data(), flushResult.text.size() };

src/vtparser/Parser.h

@@ -30,7 +30,12 @@ namespace vtparser
     #define VTPARSER_NOINLINE /*!*/
 #endif
 
-auto const inline vtTraceParserLog = logstore::category("vt.trace.parser", "Logs terminal parser trace.");
+auto const inline vtTraceParserLog =
+#if defined(DEBUG)
+    logstore::category("vt.trace.parser", "Logs terminal parser trace.");
+#else
+    logstore::emptyLog;
+#endif
 
 // NOLINTBEGIN(readability-identifier-naming)
 enum class State : uint8_t