117400ec09
The new (internal) field scanner.bad indicates whether a syntax error occurred while scanning a literal; the corresponding scanner.lit string may be syntactically incorrect in that case. Store the value of scanner.bad together with the scanner.lit in BasicLit. Clean up error handling so that all syntactic errors use one of the scanner's error reporting methods which also set scanner.bad. Make use of the new field in a few places where we used to track a prior error separately. Preliminary step towards fixing #32133 in a comprehensive manner. Change-Id: I4d79ad6e3b50632dd5fb3fc32ca3df0598ee77b4 Reviewed-on: https://go-review.googlesource.com/c/go/+/192278 Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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