// so we use ast1 to look for the doc comments on import "C"
	// and on exported functions, and we use ast2 for translating
	// and reprinting.
	// In cgo mode, we ignore ast2 and just apply edits directly
	// the text behind ast1. In godefs mode we modify and print ast2.
	ast1 := parse(abspath, src, parser.SkipObjectResolution|parser.ParseComments)
	ast2 := parse(abspath, src, parser.SkipObjectResolution)