chore: migrate to gitea

vendor/go.opentelemetry.io/otel/trace/noop.go

@@ -0,0 +1,105 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package trace // import "go.opentelemetry.io/otel/trace"
+
+import (
+	"context"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/trace/embedded"
+)
+
+// NewNoopTracerProvider returns an implementation of TracerProvider that
+// performs no operations. The Tracer and Spans created from the returned
+// TracerProvider also perform no operations.
+//
+// Deprecated: Use [go.opentelemetry.io/otel/trace/noop.NewTracerProvider]
+// instead.
+func NewNoopTracerProvider() TracerProvider {
+	return noopTracerProvider{}
+}
+
+type noopTracerProvider struct{ embedded.TracerProvider }
+
+var _ TracerProvider = noopTracerProvider{}
+
+// Tracer returns noop implementation of Tracer.
+func (noopTracerProvider) Tracer(string, ...TracerOption) Tracer {
+	return noopTracer{}
+}
+
+// noopTracer is an implementation of Tracer that performs no operations.
+type noopTracer struct{ embedded.Tracer }
+
+var _ Tracer = noopTracer{}
+
+// Start carries forward a non-recording Span, if one is present in the context, otherwise it
+// creates a no-op Span.
+func (noopTracer) Start(ctx context.Context, _ string, _ ...SpanStartOption) (context.Context, Span) {
+	span := SpanFromContext(ctx)
+	if _, ok := span.(nonRecordingSpan); !ok {
+		// span is likely already a noopSpan, but let's be sure
+		span = noopSpanInstance
+	}
+	return ContextWithSpan(ctx, span), span
+}
+
+// noopSpan is an implementation of Span that performs no operations.
+type noopSpan struct{ embedded.Span }
+
+var noopSpanInstance Span = noopSpan{}
+
+// SpanContext returns an empty span context.
+func (noopSpan) SpanContext() SpanContext { return SpanContext{} }
+
+// IsRecording always returns false.
+func (noopSpan) IsRecording() bool { return false }
+
+// SetStatus does nothing.
+func (noopSpan) SetStatus(codes.Code, string) {}
+
+// SetError does nothing.
+func (noopSpan) SetError(bool) {}
+
+// SetAttributes does nothing.
+func (noopSpan) SetAttributes(...attribute.KeyValue) {}
+
+// End does nothing.
+func (noopSpan) End(...SpanEndOption) {}
+
+// RecordError does nothing.
+func (noopSpan) RecordError(error, ...EventOption) {}
+
+// AddEvent does nothing.
+func (noopSpan) AddEvent(string, ...EventOption) {}
+
+// AddLink does nothing.
+func (noopSpan) AddLink(Link) {}
+
+// SetName does nothing.
+func (noopSpan) SetName(string) {}
+
+// TracerProvider returns a no-op TracerProvider.
+func (s noopSpan) TracerProvider() TracerProvider {
+	return s.tracerProvider(autoInstEnabled)
+}
+
+// autoInstEnabled defines if the auto-instrumentation SDK is enabled.
+//
+// The auto-instrumentation is expected to overwrite this value to true when it
+// attaches to the process.
+var autoInstEnabled = new(bool)
+
+// tracerProvider return a noopTracerProvider if autoEnabled is false,
+// otherwise it will return a TracerProvider from the sdk package used in
+// auto-instrumentation.
+//
+//go:noinline
+func (noopSpan) tracerProvider(autoEnabled *bool) TracerProvider {
+	if *autoEnabled {
+		return newAutoTracerProvider()
+	}
+	return noopTracerProvider{}
+}