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cmd/goyacc: add header to generated go output file

Add "// Code generated by goyacc. DO NOT EDIT." to the top of the
generated go output file.

Fixes golang/go#26158

Change-Id: I5dd66af9cd8ccccd27440886c55cd604686472e3
Reviewed-on: https://go-review.googlesource.com/122095
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
This commit is contained in:
Jonathan Pentecost 2018-07-03 16:50:15 +01:00 committed by Daniel Martí
parent 75d2ffb453
commit 16f8f9bb72

View File

@ -387,6 +387,8 @@ func setup() {
yaccpar = strings.Replace(yaccpartext, "$$", prefix, -1)
openup()
fmt.Fprintf(ftable, "// Code generated by goyacc. DO NOT EDIT.")
defin(0, "$end")
extval = PRIVATE // tokens start in unicode 'private use'
defin(0, "error")