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33 lines
581 B
Go
33 lines
581 B
Go
package eval
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import (
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"bytes"
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"fmt"
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"github.com/elves/elvish/util"
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)
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// Exception represents an elvish exception.
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type Exception struct {
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Cause error
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Traceback *util.SourceContext
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}
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func (exc *Exception) Error() string {
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return exc.Cause.Error()
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}
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func (exc *Exception) Pprint() string {
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buf := new(bytes.Buffer)
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// Error message
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fmt.Fprintf(buf, "Exception: \033[31;1m%s\033[m\n", exc.Cause.Error())
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buf.WriteString("Traceback:")
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for tb := exc.Traceback; tb != nil; tb = tb.Next {
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buf.WriteString("\n ")
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tb.Pprint(buf, " ")
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}
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return buf.String()
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}
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