steve/databricks-cli
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databricks-cli
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using list for error tracing

This commit is contained in:
Shreyas Goenka 2023-01-13 19:37:35 +01:00
parent 1538422d27
commit d605ab1aa4
No known key found for this signature in database
GPG Key ID: 92A07DF49CCB0622
1 changed files with 21 additions and 18 deletions
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39
bundle/schema/schema.go
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@ -32,8 +32,8 @@ type Item struct {
func NewSchema(golangType reflect.Type) (*Schema, error) {
traceSet := map[reflect.Type]struct{}{}
traceSlice := []reflect.Type{}
rootProp, err := toProperity(golangType, traceSet, traceSlice)
trace := list.New()
rootProp, err := toProperity(golangType, traceSet, trace)
if err != nil {
return nil, err
}
@ -83,10 +83,12 @@ func javascriptType(golangType reflect.Type) (JsType, error) {
}
// TODO: add a simple test for this
func errWithTrace(prefix string, trace []reflect.Type) error {
func errWithTrace(prefix string, trace *list.List) error {
traceString := ""
for _, golangType := range trace {
traceString += " -> " + golangType.Name()
curr := trace.Front()
for curr.Next() != nil {
traceString += " -> " + curr.Value.(reflect.Type).Name()
curr = curr.Next()
}
return fmt.Errorf("[ERROR] " + prefix + " type traveral trace: " + traceString)
}
@ -98,24 +100,25 @@ func errWithTrace(prefix string, trace []reflect.Type) error {
// checks and errors out for cycles
// wraps the error with context
func safeToProperty(golangType reflect.Type, traceSet map[reflect.Type]struct{}, traceSlice []reflect.Type) (*Property, error) {
traceSlice = append(traceSlice, golangType)
func safeToProperty(golangType reflect.Type, traceSet map[reflect.Type]struct{}, trace *list.List) (*Property, error) {
trace.PushBack(golangType)
// detect cycles. Fail if a cycle is detected
// TODO: Add references here for cycles
// TODO: move this check somewhere nicer
_, ok := traceSet[golangType]
if ok {
fmt.Println("[DEBUG] traceSet: ", traceSet)
return nil, errWithTrace("cycle detected", traceSlice)
return nil, errWithTrace("cycle detected", trace)
}
// add current child field to history
traceSet[golangType] = struct{}{}
props, err := toProperity(golangType, traceSet, traceSlice)
props, err := toProperity(golangType, traceSet, trace)
if err != nil {
return nil, errWithTrace(err.Error(), traceSlice)
return nil, errWithTrace(err.Error(), trace)
}
delete(traceSet, golangType)
traceSlice = traceSlice[:len(traceSlice)-1]
back := trace.Back()
trace.Remove(back)
return props, nil
}
@ -153,10 +156,10 @@ func addStructFields(fields []reflect.StructField, golangType reflect.Type) []re
}
// TODO: add doc string explaining numHistoryOccurances
func toProperity(golangType reflect.Type, traceSet map[reflect.Type]struct{}, traceSlice []reflect.Type) (*Property, error) {
func toProperity(golangType reflect.Type, traceSet map[reflect.Type]struct{}, trace *list.List) (*Property, error) {
// *Struct and Struct generate identical json schemas
if golangType.Kind() == reflect.Pointer {
return toProperity(golangType.Elem(), traceSet, traceSlice)
return toProperity(golangType.Elem(), traceSet, trace)
}
rootJavascriptType, err := javascriptType(golangType)
@ -172,7 +175,7 @@ func toProperity(golangType reflect.Type, traceSet map[reflect.Type]struct{}, tr
if err != nil {
return nil, err
}
elemProps, err := safeToProperty(elemGolangType, traceSet, traceSlice)
elemProps, err := safeToProperty(elemGolangType, traceSet, trace)
if err != nil {
return nil, err
}
@ -187,9 +190,9 @@ func toProperity(golangType reflect.Type, traceSet map[reflect.Type]struct{}, tr
var additionalProperties *Property
if golangType.Kind() == reflect.Map {
if golangType.Key().Kind() != reflect.String {
return nil, errWithTrace("only string keyed maps allowed", traceSlice)
return nil, errWithTrace("only string keyed maps allowed", trace)
}
additionalProperties, err = safeToProperty(golangType.Elem(), traceSet, traceSlice)
additionalProperties, err = safeToProperty(golangType.Elem(), traceSet, trace)
if err != nil {
return nil, err
}
@ -211,9 +214,9 @@ func toProperity(golangType reflect.Type, traceSet map[reflect.Type]struct{}, tr
}
// recursively compute properties for this child field
fieldProps, err := safeToProperty(child.Type, traceSet, traceSlice)
fieldProps, err := safeToProperty(child.Type, traceSet, trace)
if err != nil {
return nil, errWithTrace(err.Error(), traceSlice)
return nil, errWithTrace(err.Error(), trace)
}
properities[childName] = fieldProps
}