diff options
Diffstat (limited to 'vendor/golang.org/x/tools/internal/event')
9 files changed, 0 insertions, 1188 deletions
diff --git a/vendor/golang.org/x/tools/internal/event/core/event.go b/vendor/golang.org/x/tools/internal/event/core/event.go deleted file mode 100644 index a6cf0e6..0000000 --- a/vendor/golang.org/x/tools/internal/event/core/event.go +++ /dev/null @@ -1,85 +0,0 @@ -// Copyright 2019 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package core provides support for event based telemetry. -package core - -import ( - "fmt" - "time" - - "golang.org/x/tools/internal/event/label" -) - -// Event holds the information about an event of note that occurred. -type Event struct { - at time.Time - - // As events are often on the stack, storing the first few labels directly - // in the event can avoid an allocation at all for the very common cases of - // simple events. - // The length needs to be large enough to cope with the majority of events - // but no so large as to cause undue stack pressure. - // A log message with two values will use 3 labels (one for each value and - // one for the message itself). - - static [3]label.Label // inline storage for the first few labels - dynamic []label.Label // dynamically sized storage for remaining labels -} - -// eventLabelMap implements label.Map for a the labels of an Event. -type eventLabelMap struct { - event Event -} - -func (ev Event) At() time.Time { return ev.at } - -func (ev Event) Format(f fmt.State, r rune) { - if !ev.at.IsZero() { - fmt.Fprint(f, ev.at.Format("2006/01/02 15:04:05 ")) - } - for index := 0; ev.Valid(index); index++ { - if l := ev.Label(index); l.Valid() { - fmt.Fprintf(f, "\n\t%v", l) - } - } -} - -func (ev Event) Valid(index int) bool { - return index >= 0 && index < len(ev.static)+len(ev.dynamic) -} - -func (ev Event) Label(index int) label.Label { - if index < len(ev.static) { - return ev.static[index] - } - return ev.dynamic[index-len(ev.static)] -} - -func (ev Event) Find(key label.Key) label.Label { - for _, l := range ev.static { - if l.Key() == key { - return l - } - } - for _, l := range ev.dynamic { - if l.Key() == key { - return l - } - } - return label.Label{} -} - -func MakeEvent(static [3]label.Label, labels []label.Label) Event { - return Event{ - static: static, - dynamic: labels, - } -} - -// CloneEvent event returns a copy of the event with the time adjusted to at. -func CloneEvent(ev Event, at time.Time) Event { - ev.at = at - return ev -} diff --git a/vendor/golang.org/x/tools/internal/event/core/export.go b/vendor/golang.org/x/tools/internal/event/core/export.go deleted file mode 100644 index 05f3a9a..0000000 --- a/vendor/golang.org/x/tools/internal/event/core/export.go +++ /dev/null @@ -1,70 +0,0 @@ -// Copyright 2019 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package core - -import ( - "context" - "sync/atomic" - "time" - "unsafe" - - "golang.org/x/tools/internal/event/label" -) - -// Exporter is a function that handles events. -// It may return a modified context and event. -type Exporter func(context.Context, Event, label.Map) context.Context - -var ( - exporter unsafe.Pointer -) - -// SetExporter sets the global exporter function that handles all events. -// The exporter is called synchronously from the event call site, so it should -// return quickly so as not to hold up user code. -func SetExporter(e Exporter) { - p := unsafe.Pointer(&e) - if e == nil { - // &e is always valid, and so p is always valid, but for the early abort - // of ProcessEvent to be efficient it needs to make the nil check on the - // pointer without having to dereference it, so we make the nil function - // also a nil pointer - p = nil - } - atomic.StorePointer(&exporter, p) -} - -// deliver is called to deliver an event to the supplied exporter. -// it will fill in the time. -func deliver(ctx context.Context, exporter Exporter, ev Event) context.Context { - // add the current time to the event - ev.at = time.Now() - // hand the event off to the current exporter - return exporter(ctx, ev, ev) -} - -// Export is called to deliver an event to the global exporter if set. -func Export(ctx context.Context, ev Event) context.Context { - // get the global exporter and abort early if there is not one - exporterPtr := (*Exporter)(atomic.LoadPointer(&exporter)) - if exporterPtr == nil { - return ctx - } - return deliver(ctx, *exporterPtr, ev) -} - -// ExportPair is called to deliver a start event to the supplied exporter. -// It also returns a function that will deliver the end event to the same -// exporter. -// It will fill in the time. -func ExportPair(ctx context.Context, begin, end Event) (context.Context, func()) { - // get the global exporter and abort early if there is not one - exporterPtr := (*Exporter)(atomic.LoadPointer(&exporter)) - if exporterPtr == nil { - return ctx, func() {} - } - ctx = deliver(ctx, *exporterPtr, begin) - return ctx, func() { deliver(ctx, *exporterPtr, end) } -} diff --git a/vendor/golang.org/x/tools/internal/event/core/fast.go b/vendor/golang.org/x/tools/internal/event/core/fast.go deleted file mode 100644 index 06c1d46..0000000 --- a/vendor/golang.org/x/tools/internal/event/core/fast.go +++ /dev/null @@ -1,77 +0,0 @@ -// Copyright 2019 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package core - -import ( - "context" - - "golang.org/x/tools/internal/event/keys" - "golang.org/x/tools/internal/event/label" -) - -// Log1 takes a message and one label delivers a log event to the exporter. -// It is a customized version of Print that is faster and does no allocation. -func Log1(ctx context.Context, message string, t1 label.Label) { - Export(ctx, MakeEvent([3]label.Label{ - keys.Msg.Of(message), - t1, - }, nil)) -} - -// Log2 takes a message and two labels and delivers a log event to the exporter. -// It is a customized version of Print that is faster and does no allocation. -func Log2(ctx context.Context, message string, t1 label.Label, t2 label.Label) { - Export(ctx, MakeEvent([3]label.Label{ - keys.Msg.Of(message), - t1, - t2, - }, nil)) -} - -// Metric1 sends a label event to the exporter with the supplied labels. -func Metric1(ctx context.Context, t1 label.Label) context.Context { - return Export(ctx, MakeEvent([3]label.Label{ - keys.Metric.New(), - t1, - }, nil)) -} - -// Metric2 sends a label event to the exporter with the supplied labels. -func Metric2(ctx context.Context, t1, t2 label.Label) context.Context { - return Export(ctx, MakeEvent([3]label.Label{ - keys.Metric.New(), - t1, - t2, - }, nil)) -} - -// Start1 sends a span start event with the supplied label list to the exporter. -// It also returns a function that will end the span, which should normally be -// deferred. -func Start1(ctx context.Context, name string, t1 label.Label) (context.Context, func()) { - return ExportPair(ctx, - MakeEvent([3]label.Label{ - keys.Start.Of(name), - t1, - }, nil), - MakeEvent([3]label.Label{ - keys.End.New(), - }, nil)) -} - -// Start2 sends a span start event with the supplied label list to the exporter. -// It also returns a function that will end the span, which should normally be -// deferred. -func Start2(ctx context.Context, name string, t1, t2 label.Label) (context.Context, func()) { - return ExportPair(ctx, - MakeEvent([3]label.Label{ - keys.Start.Of(name), - t1, - t2, - }, nil), - MakeEvent([3]label.Label{ - keys.End.New(), - }, nil)) -} diff --git a/vendor/golang.org/x/tools/internal/event/doc.go b/vendor/golang.org/x/tools/internal/event/doc.go deleted file mode 100644 index 5dc6e6b..0000000 --- a/vendor/golang.org/x/tools/internal/event/doc.go +++ /dev/null @@ -1,7 +0,0 @@ -// Copyright 2019 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package event provides a set of packages that cover the main -// concepts of telemetry in an implementation agnostic way. -package event diff --git a/vendor/golang.org/x/tools/internal/event/event.go b/vendor/golang.org/x/tools/internal/event/event.go deleted file mode 100644 index 4d55e57..0000000 --- a/vendor/golang.org/x/tools/internal/event/event.go +++ /dev/null @@ -1,127 +0,0 @@ -// Copyright 2019 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package event - -import ( - "context" - - "golang.org/x/tools/internal/event/core" - "golang.org/x/tools/internal/event/keys" - "golang.org/x/tools/internal/event/label" -) - -// Exporter is a function that handles events. -// It may return a modified context and event. -type Exporter func(context.Context, core.Event, label.Map) context.Context - -// SetExporter sets the global exporter function that handles all events. -// The exporter is called synchronously from the event call site, so it should -// return quickly so as not to hold up user code. -func SetExporter(e Exporter) { - core.SetExporter(core.Exporter(e)) -} - -// Log takes a message and a label list and combines them into a single event -// before delivering them to the exporter. -func Log(ctx context.Context, message string, labels ...label.Label) { - core.Export(ctx, core.MakeEvent([3]label.Label{ - keys.Msg.Of(message), - }, labels)) -} - -// IsLog returns true if the event was built by the Log function. -// It is intended to be used in exporters to identify the semantics of the -// event when deciding what to do with it. -func IsLog(ev core.Event) bool { - return ev.Label(0).Key() == keys.Msg -} - -// Error takes a message and a label list and combines them into a single event -// before delivering them to the exporter. It captures the error in the -// delivered event. -func Error(ctx context.Context, message string, err error, labels ...label.Label) { - core.Export(ctx, core.MakeEvent([3]label.Label{ - keys.Msg.Of(message), - keys.Err.Of(err), - }, labels)) -} - -// IsError returns true if the event was built by the Error function. -// It is intended to be used in exporters to identify the semantics of the -// event when deciding what to do with it. -func IsError(ev core.Event) bool { - return ev.Label(0).Key() == keys.Msg && - ev.Label(1).Key() == keys.Err -} - -// Metric sends a label event to the exporter with the supplied labels. -func Metric(ctx context.Context, labels ...label.Label) { - core.Export(ctx, core.MakeEvent([3]label.Label{ - keys.Metric.New(), - }, labels)) -} - -// IsMetric returns true if the event was built by the Metric function. -// It is intended to be used in exporters to identify the semantics of the -// event when deciding what to do with it. -func IsMetric(ev core.Event) bool { - return ev.Label(0).Key() == keys.Metric -} - -// Label sends a label event to the exporter with the supplied labels. -func Label(ctx context.Context, labels ...label.Label) context.Context { - return core.Export(ctx, core.MakeEvent([3]label.Label{ - keys.Label.New(), - }, labels)) -} - -// IsLabel returns true if the event was built by the Label function. -// It is intended to be used in exporters to identify the semantics of the -// event when deciding what to do with it. -func IsLabel(ev core.Event) bool { - return ev.Label(0).Key() == keys.Label -} - -// Start sends a span start event with the supplied label list to the exporter. -// It also returns a function that will end the span, which should normally be -// deferred. -func Start(ctx context.Context, name string, labels ...label.Label) (context.Context, func()) { - return core.ExportPair(ctx, - core.MakeEvent([3]label.Label{ - keys.Start.Of(name), - }, labels), - core.MakeEvent([3]label.Label{ - keys.End.New(), - }, nil)) -} - -// IsStart returns true if the event was built by the Start function. -// It is intended to be used in exporters to identify the semantics of the -// event when deciding what to do with it. -func IsStart(ev core.Event) bool { - return ev.Label(0).Key() == keys.Start -} - -// IsEnd returns true if the event was built by the End function. -// It is intended to be used in exporters to identify the semantics of the -// event when deciding what to do with it. -func IsEnd(ev core.Event) bool { - return ev.Label(0).Key() == keys.End -} - -// Detach returns a context without an associated span. -// This allows the creation of spans that are not children of the current span. -func Detach(ctx context.Context) context.Context { - return core.Export(ctx, core.MakeEvent([3]label.Label{ - keys.Detach.New(), - }, nil)) -} - -// IsDetach returns true if the event was built by the Detach function. -// It is intended to be used in exporters to identify the semantics of the -// event when deciding what to do with it. -func IsDetach(ev core.Event) bool { - return ev.Label(0).Key() == keys.Detach -} diff --git a/vendor/golang.org/x/tools/internal/event/keys/keys.go b/vendor/golang.org/x/tools/internal/event/keys/keys.go deleted file mode 100644 index a02206e..0000000 --- a/vendor/golang.org/x/tools/internal/event/keys/keys.go +++ /dev/null @@ -1,564 +0,0 @@ -// Copyright 2019 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package keys - -import ( - "fmt" - "io" - "math" - "strconv" - - "golang.org/x/tools/internal/event/label" -) - -// Value represents a key for untyped values. -type Value struct { - name string - description string -} - -// New creates a new Key for untyped values. -func New(name, description string) *Value { - return &Value{name: name, description: description} -} - -func (k *Value) Name() string { return k.name } -func (k *Value) Description() string { return k.description } - -func (k *Value) Format(w io.Writer, buf []byte, l label.Label) { - fmt.Fprint(w, k.From(l)) -} - -// Get can be used to get a label for the key from a label.Map. -func (k *Value) Get(lm label.Map) interface{} { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return nil -} - -// From can be used to get a value from a Label. -func (k *Value) From(t label.Label) interface{} { return t.UnpackValue() } - -// Of creates a new Label with this key and the supplied value. -func (k *Value) Of(value interface{}) label.Label { return label.OfValue(k, value) } - -// Tag represents a key for tagging labels that have no value. -// These are used when the existence of the label is the entire information it -// carries, such as marking events to be of a specific kind, or from a specific -// package. -type Tag struct { - name string - description string -} - -// NewTag creates a new Key for tagging labels. -func NewTag(name, description string) *Tag { - return &Tag{name: name, description: description} -} - -func (k *Tag) Name() string { return k.name } -func (k *Tag) Description() string { return k.description } - -func (k *Tag) Format(w io.Writer, buf []byte, l label.Label) {} - -// New creates a new Label with this key. -func (k *Tag) New() label.Label { return label.OfValue(k, nil) } - -// Int represents a key -type Int struct { - name string - description string -} - -// NewInt creates a new Key for int values. -func NewInt(name, description string) *Int { - return &Int{name: name, description: description} -} - -func (k *Int) Name() string { return k.name } -func (k *Int) Description() string { return k.description } - -func (k *Int) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendInt(buf, int64(k.From(l)), 10)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *Int) Of(v int) label.Label { return label.Of64(k, uint64(v)) } - -// Get can be used to get a label for the key from a label.Map. -func (k *Int) Get(lm label.Map) int { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *Int) From(t label.Label) int { return int(t.Unpack64()) } - -// Int8 represents a key -type Int8 struct { - name string - description string -} - -// NewInt8 creates a new Key for int8 values. -func NewInt8(name, description string) *Int8 { - return &Int8{name: name, description: description} -} - -func (k *Int8) Name() string { return k.name } -func (k *Int8) Description() string { return k.description } - -func (k *Int8) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendInt(buf, int64(k.From(l)), 10)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *Int8) Of(v int8) label.Label { return label.Of64(k, uint64(v)) } - -// Get can be used to get a label for the key from a label.Map. -func (k *Int8) Get(lm label.Map) int8 { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *Int8) From(t label.Label) int8 { return int8(t.Unpack64()) } - -// Int16 represents a key -type Int16 struct { - name string - description string -} - -// NewInt16 creates a new Key for int16 values. -func NewInt16(name, description string) *Int16 { - return &Int16{name: name, description: description} -} - -func (k *Int16) Name() string { return k.name } -func (k *Int16) Description() string { return k.description } - -func (k *Int16) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendInt(buf, int64(k.From(l)), 10)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *Int16) Of(v int16) label.Label { return label.Of64(k, uint64(v)) } - -// Get can be used to get a label for the key from a label.Map. -func (k *Int16) Get(lm label.Map) int16 { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *Int16) From(t label.Label) int16 { return int16(t.Unpack64()) } - -// Int32 represents a key -type Int32 struct { - name string - description string -} - -// NewInt32 creates a new Key for int32 values. -func NewInt32(name, description string) *Int32 { - return &Int32{name: name, description: description} -} - -func (k *Int32) Name() string { return k.name } -func (k *Int32) Description() string { return k.description } - -func (k *Int32) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendInt(buf, int64(k.From(l)), 10)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *Int32) Of(v int32) label.Label { return label.Of64(k, uint64(v)) } - -// Get can be used to get a label for the key from a label.Map. -func (k *Int32) Get(lm label.Map) int32 { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *Int32) From(t label.Label) int32 { return int32(t.Unpack64()) } - -// Int64 represents a key -type Int64 struct { - name string - description string -} - -// NewInt64 creates a new Key for int64 values. -func NewInt64(name, description string) *Int64 { - return &Int64{name: name, description: description} -} - -func (k *Int64) Name() string { return k.name } -func (k *Int64) Description() string { return k.description } - -func (k *Int64) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendInt(buf, k.From(l), 10)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *Int64) Of(v int64) label.Label { return label.Of64(k, uint64(v)) } - -// Get can be used to get a label for the key from a label.Map. -func (k *Int64) Get(lm label.Map) int64 { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *Int64) From(t label.Label) int64 { return int64(t.Unpack64()) } - -// UInt represents a key -type UInt struct { - name string - description string -} - -// NewUInt creates a new Key for uint values. -func NewUInt(name, description string) *UInt { - return &UInt{name: name, description: description} -} - -func (k *UInt) Name() string { return k.name } -func (k *UInt) Description() string { return k.description } - -func (k *UInt) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendUint(buf, uint64(k.From(l)), 10)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *UInt) Of(v uint) label.Label { return label.Of64(k, uint64(v)) } - -// Get can be used to get a label for the key from a label.Map. -func (k *UInt) Get(lm label.Map) uint { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *UInt) From(t label.Label) uint { return uint(t.Unpack64()) } - -// UInt8 represents a key -type UInt8 struct { - name string - description string -} - -// NewUInt8 creates a new Key for uint8 values. -func NewUInt8(name, description string) *UInt8 { - return &UInt8{name: name, description: description} -} - -func (k *UInt8) Name() string { return k.name } -func (k *UInt8) Description() string { return k.description } - -func (k *UInt8) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendUint(buf, uint64(k.From(l)), 10)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *UInt8) Of(v uint8) label.Label { return label.Of64(k, uint64(v)) } - -// Get can be used to get a label for the key from a label.Map. -func (k *UInt8) Get(lm label.Map) uint8 { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *UInt8) From(t label.Label) uint8 { return uint8(t.Unpack64()) } - -// UInt16 represents a key -type UInt16 struct { - name string - description string -} - -// NewUInt16 creates a new Key for uint16 values. -func NewUInt16(name, description string) *UInt16 { - return &UInt16{name: name, description: description} -} - -func (k *UInt16) Name() string { return k.name } -func (k *UInt16) Description() string { return k.description } - -func (k *UInt16) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendUint(buf, uint64(k.From(l)), 10)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *UInt16) Of(v uint16) label.Label { return label.Of64(k, uint64(v)) } - -// Get can be used to get a label for the key from a label.Map. -func (k *UInt16) Get(lm label.Map) uint16 { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *UInt16) From(t label.Label) uint16 { return uint16(t.Unpack64()) } - -// UInt32 represents a key -type UInt32 struct { - name string - description string -} - -// NewUInt32 creates a new Key for uint32 values. -func NewUInt32(name, description string) *UInt32 { - return &UInt32{name: name, description: description} -} - -func (k *UInt32) Name() string { return k.name } -func (k *UInt32) Description() string { return k.description } - -func (k *UInt32) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendUint(buf, uint64(k.From(l)), 10)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *UInt32) Of(v uint32) label.Label { return label.Of64(k, uint64(v)) } - -// Get can be used to get a label for the key from a label.Map. -func (k *UInt32) Get(lm label.Map) uint32 { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *UInt32) From(t label.Label) uint32 { return uint32(t.Unpack64()) } - -// UInt64 represents a key -type UInt64 struct { - name string - description string -} - -// NewUInt64 creates a new Key for uint64 values. -func NewUInt64(name, description string) *UInt64 { - return &UInt64{name: name, description: description} -} - -func (k *UInt64) Name() string { return k.name } -func (k *UInt64) Description() string { return k.description } - -func (k *UInt64) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendUint(buf, k.From(l), 10)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *UInt64) Of(v uint64) label.Label { return label.Of64(k, v) } - -// Get can be used to get a label for the key from a label.Map. -func (k *UInt64) Get(lm label.Map) uint64 { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *UInt64) From(t label.Label) uint64 { return t.Unpack64() } - -// Float32 represents a key -type Float32 struct { - name string - description string -} - -// NewFloat32 creates a new Key for float32 values. -func NewFloat32(name, description string) *Float32 { - return &Float32{name: name, description: description} -} - -func (k *Float32) Name() string { return k.name } -func (k *Float32) Description() string { return k.description } - -func (k *Float32) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendFloat(buf, float64(k.From(l)), 'E', -1, 32)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *Float32) Of(v float32) label.Label { - return label.Of64(k, uint64(math.Float32bits(v))) -} - -// Get can be used to get a label for the key from a label.Map. -func (k *Float32) Get(lm label.Map) float32 { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *Float32) From(t label.Label) float32 { - return math.Float32frombits(uint32(t.Unpack64())) -} - -// Float64 represents a key -type Float64 struct { - name string - description string -} - -// NewFloat64 creates a new Key for int64 values. -func NewFloat64(name, description string) *Float64 { - return &Float64{name: name, description: description} -} - -func (k *Float64) Name() string { return k.name } -func (k *Float64) Description() string { return k.description } - -func (k *Float64) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendFloat(buf, k.From(l), 'E', -1, 64)) -} - -// Of creates a new Label with this key and the supplied value. -func (k *Float64) Of(v float64) label.Label { - return label.Of64(k, math.Float64bits(v)) -} - -// Get can be used to get a label for the key from a label.Map. -func (k *Float64) Get(lm label.Map) float64 { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return 0 -} - -// From can be used to get a value from a Label. -func (k *Float64) From(t label.Label) float64 { - return math.Float64frombits(t.Unpack64()) -} - -// String represents a key -type String struct { - name string - description string -} - -// NewString creates a new Key for int64 values. -func NewString(name, description string) *String { - return &String{name: name, description: description} -} - -func (k *String) Name() string { return k.name } -func (k *String) Description() string { return k.description } - -func (k *String) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendQuote(buf, k.From(l))) -} - -// Of creates a new Label with this key and the supplied value. -func (k *String) Of(v string) label.Label { return label.OfString(k, v) } - -// Get can be used to get a label for the key from a label.Map. -func (k *String) Get(lm label.Map) string { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return "" -} - -// From can be used to get a value from a Label. -func (k *String) From(t label.Label) string { return t.UnpackString() } - -// Boolean represents a key -type Boolean struct { - name string - description string -} - -// NewBoolean creates a new Key for bool values. -func NewBoolean(name, description string) *Boolean { - return &Boolean{name: name, description: description} -} - -func (k *Boolean) Name() string { return k.name } -func (k *Boolean) Description() string { return k.description } - -func (k *Boolean) Format(w io.Writer, buf []byte, l label.Label) { - w.Write(strconv.AppendBool(buf, k.From(l))) -} - -// Of creates a new Label with this key and the supplied value. -func (k *Boolean) Of(v bool) label.Label { - if v { - return label.Of64(k, 1) - } - return label.Of64(k, 0) -} - -// Get can be used to get a label for the key from a label.Map. -func (k *Boolean) Get(lm label.Map) bool { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return false -} - -// From can be used to get a value from a Label. -func (k *Boolean) From(t label.Label) bool { return t.Unpack64() > 0 } - -// Error represents a key -type Error struct { - name string - description string -} - -// NewError creates a new Key for int64 values. -func NewError(name, description string) *Error { - return &Error{name: name, description: description} -} - -func (k *Error) Name() string { return k.name } -func (k *Error) Description() string { return k.description } - -func (k *Error) Format(w io.Writer, buf []byte, l label.Label) { - io.WriteString(w, k.From(l).Error()) -} - -// Of creates a new Label with this key and the supplied value. -func (k *Error) Of(v error) label.Label { return label.OfValue(k, v) } - -// Get can be used to get a label for the key from a label.Map. -func (k *Error) Get(lm label.Map) error { - if t := lm.Find(k); t.Valid() { - return k.From(t) - } - return nil -} - -// From can be used to get a value from a Label. -func (k *Error) From(t label.Label) error { - err, _ := t.UnpackValue().(error) - return err -} diff --git a/vendor/golang.org/x/tools/internal/event/keys/standard.go b/vendor/golang.org/x/tools/internal/event/keys/standard.go deleted file mode 100644 index 7e95866..0000000 --- a/vendor/golang.org/x/tools/internal/event/keys/standard.go +++ /dev/null @@ -1,22 +0,0 @@ -// Copyright 2020 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package keys - -var ( - // Msg is a key used to add message strings to label lists. - Msg = NewString("message", "a readable message") - // Label is a key used to indicate an event adds labels to the context. - Label = NewTag("label", "a label context marker") - // Start is used for things like traces that have a name. - Start = NewString("start", "span start") - // Metric is a key used to indicate an event records metrics. - End = NewTag("end", "a span end marker") - // Metric is a key used to indicate an event records metrics. - Detach = NewTag("detach", "a span detach marker") - // Err is a key used to add error values to label lists. - Err = NewError("error", "an error that occurred") - // Metric is a key used to indicate an event records metrics. - Metric = NewTag("metric", "a metric event marker") -) diff --git a/vendor/golang.org/x/tools/internal/event/keys/util.go b/vendor/golang.org/x/tools/internal/event/keys/util.go deleted file mode 100644 index c0e8e73..0000000 --- a/vendor/golang.org/x/tools/internal/event/keys/util.go +++ /dev/null @@ -1,21 +0,0 @@ -// Copyright 2023 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package keys - -import ( - "sort" - "strings" -) - -// Join returns a canonical join of the keys in S: -// a sorted comma-separated string list. -func Join[S ~[]T, T ~string](s S) string { - strs := make([]string, 0, len(s)) - for _, v := range s { - strs = append(strs, string(v)) - } - sort.Strings(strs) - return strings.Join(strs, ",") -} diff --git a/vendor/golang.org/x/tools/internal/event/label/label.go b/vendor/golang.org/x/tools/internal/event/label/label.go deleted file mode 100644 index 0f526e1..0000000 --- a/vendor/golang.org/x/tools/internal/event/label/label.go +++ /dev/null @@ -1,215 +0,0 @@ -// Copyright 2019 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package label - -import ( - "fmt" - "io" - "reflect" - "unsafe" -) - -// Key is used as the identity of a Label. -// Keys are intended to be compared by pointer only, the name should be unique -// for communicating with external systems, but it is not required or enforced. -type Key interface { - // Name returns the key name. - Name() string - // Description returns a string that can be used to describe the value. - Description() string - - // Format is used in formatting to append the value of the label to the - // supplied buffer. - // The formatter may use the supplied buf as a scratch area to avoid - // allocations. - Format(w io.Writer, buf []byte, l Label) -} - -// Label holds a key and value pair. -// It is normally used when passing around lists of labels. -type Label struct { - key Key - packed uint64 - untyped interface{} -} - -// Map is the interface to a collection of Labels indexed by key. -type Map interface { - // Find returns the label that matches the supplied key. - Find(key Key) Label -} - -// List is the interface to something that provides an iterable -// list of labels. -// Iteration should start from 0 and continue until Valid returns false. -type List interface { - // Valid returns true if the index is within range for the list. - // It does not imply the label at that index will itself be valid. - Valid(index int) bool - // Label returns the label at the given index. - Label(index int) Label -} - -// list implements LabelList for a list of Labels. -type list struct { - labels []Label -} - -// filter wraps a LabelList filtering out specific labels. -type filter struct { - keys []Key - underlying List -} - -// listMap implements LabelMap for a simple list of labels. -type listMap struct { - labels []Label -} - -// mapChain implements LabelMap for a list of underlying LabelMap. -type mapChain struct { - maps []Map -} - -// OfValue creates a new label from the key and value. -// This method is for implementing new key types, label creation should -// normally be done with the Of method of the key. -func OfValue(k Key, value interface{}) Label { return Label{key: k, untyped: value} } - -// UnpackValue assumes the label was built using LabelOfValue and returns the value -// that was passed to that constructor. -// This method is for implementing new key types, for type safety normal -// access should be done with the From method of the key. -func (t Label) UnpackValue() interface{} { return t.untyped } - -// Of64 creates a new label from a key and a uint64. This is often -// used for non uint64 values that can be packed into a uint64. -// This method is for implementing new key types, label creation should -// normally be done with the Of method of the key. -func Of64(k Key, v uint64) Label { return Label{key: k, packed: v} } - -// Unpack64 assumes the label was built using LabelOf64 and returns the value that -// was passed to that constructor. -// This method is for implementing new key types, for type safety normal -// access should be done with the From method of the key. -func (t Label) Unpack64() uint64 { return t.packed } - -type stringptr unsafe.Pointer - -// OfString creates a new label from a key and a string. -// This method is for implementing new key types, label creation should -// normally be done with the Of method of the key. -func OfString(k Key, v string) Label { - hdr := (*reflect.StringHeader)(unsafe.Pointer(&v)) - return Label{ - key: k, - packed: uint64(hdr.Len), - untyped: stringptr(hdr.Data), - } -} - -// UnpackString assumes the label was built using LabelOfString and returns the -// value that was passed to that constructor. -// This method is for implementing new key types, for type safety normal -// access should be done with the From method of the key. -func (t Label) UnpackString() string { - var v string - hdr := (*reflect.StringHeader)(unsafe.Pointer(&v)) - hdr.Data = uintptr(t.untyped.(stringptr)) - hdr.Len = int(t.packed) - return v -} - -// Valid returns true if the Label is a valid one (it has a key). -func (t Label) Valid() bool { return t.key != nil } - -// Key returns the key of this Label. -func (t Label) Key() Key { return t.key } - -// Format is used for debug printing of labels. -func (t Label) Format(f fmt.State, r rune) { - if !t.Valid() { - io.WriteString(f, `nil`) - return - } - io.WriteString(f, t.Key().Name()) - io.WriteString(f, "=") - var buf [128]byte - t.Key().Format(f, buf[:0], t) -} - -func (l *list) Valid(index int) bool { - return index >= 0 && index < len(l.labels) -} - -func (l *list) Label(index int) Label { - return l.labels[index] -} - -func (f *filter) Valid(index int) bool { - return f.underlying.Valid(index) -} - -func (f *filter) Label(index int) Label { - l := f.underlying.Label(index) - for _, f := range f.keys { - if l.Key() == f { - return Label{} - } - } - return l -} - -func (lm listMap) Find(key Key) Label { - for _, l := range lm.labels { - if l.Key() == key { - return l - } - } - return Label{} -} - -func (c mapChain) Find(key Key) Label { - for _, src := range c.maps { - l := src.Find(key) - if l.Valid() { - return l - } - } - return Label{} -} - -var emptyList = &list{} - -func NewList(labels ...Label) List { - if len(labels) == 0 { - return emptyList - } - return &list{labels: labels} -} - -func Filter(l List, keys ...Key) List { - if len(keys) == 0 { - return l - } - return &filter{keys: keys, underlying: l} -} - -func NewMap(labels ...Label) Map { - return listMap{labels: labels} -} - -func MergeMaps(srcs ...Map) Map { - var nonNil []Map - for _, src := range srcs { - if src != nil { - nonNil = append(nonNil, src) - } - } - if len(nonNil) == 1 { - return nonNil[0] - } - return mapChain{maps: nonNil} -} |