gowebbuild/vendor/github.com/evanw/esbuild/internal/helpers/stack.go

51 lines
1.1 KiB
Go
Raw Normal View History

package helpers
import (
"runtime/debug"
"strings"
)
func PrettyPrintedStack() string {
lines := strings.Split(strings.TrimSpace(string(debug.Stack())), "\n")
// Strip the first "goroutine" line
if len(lines) > 0 {
if first := lines[0]; strings.HasPrefix(first, "goroutine ") && strings.HasSuffix(first, ":") {
lines = lines[1:]
}
}
sb := strings.Builder{}
for _, line := range lines {
// Indented lines are source locations
if strings.HasPrefix(line, "\t") {
line = line[1:]
line = strings.TrimPrefix(line, "github.com/evanw/esbuild/")
if offset := strings.LastIndex(line, " +0x"); offset != -1 {
line = line[:offset]
}
sb.WriteString(" (")
sb.WriteString(line)
sb.WriteString(")")
continue
}
// Other lines are function calls
if sb.Len() > 0 {
sb.WriteByte('\n')
}
if strings.HasSuffix(line, ")") {
if paren := strings.LastIndexByte(line, '('); paren != -1 {
line = line[:paren]
}
}
if slash := strings.LastIndexByte(line, '/'); slash != -1 {
line = line[slash+1:]
}
sb.WriteString(line)
}
return sb.String()
}