1 files changed, 139 insertions, 0 deletions
diff --git a/vendor/github.com/maruel/panicparse/stack/ui.go b/vendor/github.com/maruel/panicparse/stack/ui.go
new file mode 100644
index 000000000..b125fc940
--- /dev/null
+++ b/vendor/github.com/maruel/panicparse/stack/ui.go
@@ -0,0 +1,139 @@
+// Copyright 2016 Marc-Antoine Ruel. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+package stack
+
+import (
+	"fmt"
+	"strings"
+)
+
+// Palette defines the color used.
+//
+// An empty object Palette{} can be used to disable coloring.
+type Palette struct {
+	EOLReset string
+
+	// Routine header.
+	RoutineFirst string // The first routine printed.
+	Routine      string // Following routines.
+	CreatedBy    string
+
+	// Call line.
+	Package                string
+	SourceFile             string
+	FunctionStdLib         string
+	FunctionStdLibExported string
+	FunctionMain           string
+	FunctionOther          string
+	FunctionOtherExported  string
+	Arguments              string
+}
+
+// CalcLengths returns the maximum length of the source lines and package names.
+func CalcLengths(buckets Buckets, fullPath bool) (int, int) {
+	srcLen := 0
+	pkgLen := 0
+	for _, bucket := range buckets {
+		for _, line := range bucket.Signature.Stack.Calls {
+			l := 0
+			if fullPath {
+				l = len(line.FullSourceLine())
+			} else {
+				l = len(line.SourceLine())
+			}
+			if l > srcLen {
+				srcLen = l
+			}
+			l = len(line.Func.PkgName())
+			if l > pkgLen {
+				pkgLen = l
+			}
+		}
+	}
+	return srcLen, pkgLen
+}
+
+// functionColor returns the color to be used for the function name based on
+// the type of package the function is in.
+func (p *Palette) functionColor(line *Call) string {
+	if line.IsStdlib() {
+		if line.Func.IsExported() {
+			return p.FunctionStdLibExported
+		}
+		return p.FunctionStdLib
+	} else if line.IsPkgMain() {
+		return p.FunctionMain
+	} else if line.Func.IsExported() {
+		return p.FunctionOtherExported
+	}
+	return p.FunctionOther
+}
+
+// routineColor returns the color for the header of the goroutines bucket.
+func (p *Palette) routineColor(bucket *Bucket, multipleBuckets bool) string {
+	if bucket.First() && multipleBuckets {
+		return p.RoutineFirst
+	}
+	return p.Routine
+}
+
+// BucketHeader prints the header of a goroutine signature.
+func (p *Palette) BucketHeader(bucket *Bucket, fullPath, multipleBuckets bool) string {
+	extra := ""
+	if bucket.SleepMax != 0 {
+		if bucket.SleepMin != bucket.SleepMax {
+			extra += fmt.Sprintf(" [%d~%d minutes]", bucket.SleepMin, bucket.SleepMax)
+		} else {
+			extra += fmt.Sprintf(" [%d minutes]", bucket.SleepMax)
+		}
+	}
+	if bucket.Locked {
+		extra += " [locked]"
+	}
+	created := bucket.CreatedBy.Func.PkgDotName()
+	if created != "" {
+		created += " @ "
+		if fullPath {
+			created += bucket.CreatedBy.FullSourceLine()
+		} else {
+			created += bucket.CreatedBy.SourceLine()
+		}
+		extra += p.CreatedBy + " [Created by " + created + "]"
+	}
+	return fmt.Sprintf(
+		"%s%d: %s%s%s\n",
+		p.routineColor(bucket, multipleBuckets), len(bucket.Routines),
+		bucket.State, extra,
+		p.EOLReset)
+}
+
+// callLine prints one stack line.
+func (p *Palette) callLine(line *Call, srcLen, pkgLen int, fullPath bool) string {
+	src := ""
+	if fullPath {
+		src = line.FullSourceLine()
+	} else {
+		src = line.SourceLine()
+	}
+	return fmt.Sprintf(
+		"    %s%-*s %s%-*s %s%s%s(%s)%s",
+		p.Package, pkgLen, line.Func.PkgName(),
+		p.SourceFile, srcLen, src,
+		p.functionColor(line), line.Func.Name(),
+		p.Arguments, line.Args,
+		p.EOLReset)
+}
+
+// StackLines prints one complete stack trace, without the header.
+func (p *Palette) StackLines(signature *Signature, srcLen, pkgLen int, fullPath bool) string {
+	out := make([]string, len(signature.Stack.Calls))
+	for i := range signature.Stack.Calls {
+		out[i] = p.callLine(&signature.Stack.Calls[i], srcLen, pkgLen, fullPath)
+	}
+	if signature.Stack.Elided {
+		out = append(out, "    (...)")
+	}
+	return strings.Join(out, "\n") + "\n"
+}