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package function
import (
"fmt"
"runtime/debug"
)
// ArgError represents an error with one of the arguments in a call. The
// attribute Index represents the zero-based index of the argument in question.
//
// Its error *may* be a cty.PathError, in which case the error actually
// pertains to a nested value within the data structure passed as the argument.
type ArgError struct {
error
Index int
}
func NewArgErrorf(i int, f string, args ...interface{}) error {
return ArgError{
error: fmt.Errorf(f, args...),
Index: i,
}
}
func NewArgError(i int, err error) error {
return ArgError{
error: err,
Index: i,
}
}
// PanicError indicates that a panic occurred while executing either a
// function's type or implementation function. This is captured and wrapped
// into a normal error so that callers (expected to be language runtimes)
// are freed from having to deal with panics in buggy functions.
type PanicError struct {
Value interface{}
Stack []byte
}
func errorForPanic(val interface{}) error {
return PanicError{
Value: val,
Stack: debug.Stack(),
}
}
func (e PanicError) Error() string {
return fmt.Sprintf("panic in function implementation: %s\n%s", e.Value, e.Stack)
}
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