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