delve/service/api/conversions.go

138 lines
2.7 KiB
Go

package api
import (
"debug/gosym"
"go/constant"
"reflect"
"strconv"
"github.com/derekparker/delve/proc"
)
// convertBreakpoint converts an internal breakpoint to an API Breakpoint.
func ConvertBreakpoint(bp *proc.Breakpoint) *Breakpoint {
b := &Breakpoint{
ID: bp.ID,
FunctionName: bp.FunctionName,
File: bp.File,
Line: bp.Line,
Addr: bp.Addr,
Tracepoint: bp.Tracepoint,
Stacktrace: bp.Stacktrace,
Goroutine: bp.Goroutine,
Variables: bp.Variables,
TotalHitCount: bp.TotalHitCount,
}
b.HitCount = map[string]uint64{}
for idx := range bp.HitCount {
b.HitCount[strconv.Itoa(idx)] = bp.HitCount[idx]
}
return b
}
// convertThread converts an internal thread to an API Thread.
func ConvertThread(th *proc.Thread) *Thread {
var (
function *Function
file string
line int
pc uint64
)
loc, err := th.Location()
if err == nil {
pc = loc.PC
file = loc.File
line = loc.Line
function = ConvertFunction(loc.Fn)
}
return &Thread{
ID: th.Id,
PC: pc,
File: file,
Line: line,
Function: function,
}
}
// convertVar converts an internal variable to an API Variable.
func ConvertVar(v *proc.Variable) *Variable {
r := Variable{
Addr: v.Addr,
Name: v.Name,
Kind: v.Kind,
Len: v.Len,
Cap: v.Cap,
}
if v.DwarfType != nil {
r.Type = v.DwarfType.String()
}
if v.RealType != nil {
r.RealType = v.RealType.String()
}
if v.Unreadable != nil {
r.Unreadable = v.Unreadable.Error()
}
if v.Value != nil {
switch v.Kind {
case reflect.Float32:
f, _ := constant.Float64Val(v.Value)
r.Value = strconv.FormatFloat(f, 'f', -1, 32)
case reflect.Float64:
f, _ := constant.Float64Val(v.Value)
r.Value = strconv.FormatFloat(f, 'f', -1, 64)
case reflect.String, reflect.Func:
r.Value = constant.StringVal(v.Value)
default:
r.Value = v.Value.String()
}
}
r.Children = make([]Variable, len(v.Children))
for i := range v.Children {
r.Children[i] = *ConvertVar(&v.Children[i])
}
return &r
}
func ConvertFunction(fn *gosym.Func) *Function {
if fn == nil {
return nil
}
return &Function{
Name: fn.Name,
Type: fn.Type,
Value: fn.Value,
GoType: fn.GoType,
}
}
// convertGoroutine converts an internal Goroutine to an API Goroutine.
func ConvertGoroutine(g *proc.G) *Goroutine {
return &Goroutine{
ID: g.Id,
CurrentLoc: ConvertLocation(g.CurrentLoc),
UserCurrentLoc: ConvertLocation(g.UserCurrent()),
GoStatementLoc: ConvertLocation(g.Go()),
}
}
func ConvertLocation(loc proc.Location) Location {
return Location{
PC: loc.PC,
File: loc.File,
Line: loc.Line,
Function: ConvertFunction(loc.Fn),
}
}