Add legend to stack trace

CHANGELOG.md

@@ -5,6 +5,7 @@ Most recent version is listed first.
 
 # v0.0.18
 - Add ability to diff items: https://github.com/komuw/kama/pull/67
+- Add legend to stack trace: https://github.com/komuw/kama/pull/68
 
 # v0.0.17
 - Add ability to dump items with circular references: https://github.com/komuw/kama/pull/66

go.mod

@@ -2,10 +2,7 @@ module github.com/komuw/kama
 
 go 1.22
 
-require (
-	golang.org/x/sys v0.17.0
-	golang.org/x/tools v0.18.0
-)
+require golang.org/x/tools v0.18.0
 
 require (
 	github.com/google/go-cmp v0.6.0 // indirect

go.sum

@@ -16,8 +16,6 @@ golang.org/x/mod v0.15.0 h1:SernR4v+D55NyBH2QiEQrlBAnj1ECL6AGrA5+dPaMY8=
 golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
 golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sys v0.17.0 h1:25cE3gD+tdBA7lp7QfhuV+rJiE9YXTcS3VG1SqssI/Y=
-golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/tools v0.18.0 h1:k8NLag8AGHnn+PHbl7g43CtqZAwG60vZkLqgyZgIHgQ=
 golang.org/x/tools v0.18.0/go.mod h1:GL7B4CwcLLeo59yx/9UWWuNOW1n3VZ4f5axWfML7Lcg=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

stack.go

@@ -8,28 +8,40 @@ import (
 	"regexp"
 	"runtime"
 	"strings"
+)
 
-	"golang.org/x/sys/unix"
+const (
+	compilerColor   = "blue"
+	thirdPartyColor = "yellow"
+	yourColor       = "red"
 )
 
 func stackp() {
 	goModCache := os.Getenv("GOMODCACHE")
 	re := regexp.MustCompile(`\d:`) // this pattern is the one created in `readLastLine()`
 
 	traces := getStackTrace()
+	if len(traces) > 0 {
+		printWithColor(
+			fmt.Sprintf("LEGEND:\n compiler: %s\n thirdParty: %s\n yours: %s\n", compilerColor, thirdPartyColor, yourColor),
+			"DEFAULT",
+			true,
+		)
+	}
+
 	for _, v := range traces {
 		if strings.Contains(v, "go/src/") {
 			// compiler
-			printWithColor(v, "cyan", false)
+			printWithColor(v, compilerColor, false)
 		} else if goModCache != "" && strings.Contains(v, goModCache) {
 			// third party
-			printWithColor(v, "magenta", false)
+			printWithColor(v, thirdPartyColor, false)
 		} else if re.MatchString(v) {
 			// this is code snippets
-			printWithColor(v, "green", false)
+			printWithColor(v, yourColor, false)
 		} else {
 			// your code
-			printWithColor(v, "green", true)
+			printWithColor(v, yourColor, true)
 		}
 	}
 }
@@ -137,9 +149,9 @@ func setColor(code int, bold bool) {
 func printWithColor(s, color string, bold bool) {
 	// TODO: should be iota
 	colors := map[string]int{
-		// Go compiler == cyan
-		// Third party == magenta
-		// Your code == green
+		// Go compiler == compilerColor
+		// Third party == thirdPartyColor
+		// Your code == yourColor
 
 		"black":   30,
 		"red":     31,
@@ -176,7 +188,5 @@ func noColor() bool {
 		return true
 	}
 
-	fd := os.Stdout.Fd()
-	_, err := unix.IoctlGetTermios(int(fd), unix.TCGETS)
-	return err == nil
+	return false
 }