92a94a7024
Prior to this change, the scanner, in ScanComments mode, would emit the implicit SEMICOLON token generated by a newline ahead of any immediately preceding comment "tokens". For example: foo /*a*/ /*b*/ /*c*/ \n => [IDENT SEMICOLON COMMENT COMMENT COMMENT] Now, tokens and comments are emitted by the scanner in lexical order of their start position. SEMICOLON tokens corresponding to newlines always have the position of the newline (even in the special case in which the newline is in the middle of a general comment /*\n*/). The scanner no longer needs to look ahead, possibly across multiple comments, for a newline, when it encounters a comment. The scanner semicolon tests have been rewritten to be less magical. The parser must now expect line comments before an implicit semicolon. Line comments for an explicit semicolon still appear after. The new assertions in the parser TestLeadAndLineComments are not changes to behavior. Fixes golang/go#54941 Change-Id: Iffe97fd10e9e0b52882da8659307698ccb31c093 Reviewed-on: https://go-review.googlesource.com/c/go/+/429635 Auto-Submit: Alan Donovan <adonovan@google.com> Reviewed-by: Robert Griesemer <gri@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Run-TryBot: Alan Donovan <adonovan@google.com> |
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SECURITY.md |
The Go Programming Language
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