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Russ Cox 92a3cb9ed1 go/parser: report //go:build-derived Go version in ast.File.GoVersion
For #57001, compilers and others tools will need to understand that
a different Go version can be used in different files in a program,
according to the //go:build lines in those files.

Update go/parser to populate the new ast.File.GoVersion field.

This requires running the go/scanner in ParseComments mode
always and then implementing discarding of comments in the
parser instead of the scanner. The same work is done either way,
since the scanner was already preparing the comment result
and then looping. The loop has just moved into go/parser.

Also make the same changes to cmd/compile/internal/syntax,
both because they're necessary and to keep in sync with go/parser.

For #59033.

Change-Id: I7b867f5f9aaaccdca94af146b061d16d9a3fd07f
Reviewed-on: https://go-review.googlesource.com/c/go/+/476277
Auto-Submit: Russ Cox <rsc@golang.org>
Reviewed-by: Robert Griesemer <gri@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
2023-04-13 18:39:29 +00:00
.github doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
api log/slog: function argument to Record.Attrs returns bool 2023-04-12 20:33:37 +00:00
doc doc: add missing oxford comma in Constants 2023-04-11 17:02:02 +00:00
lib/time time/tzdata: generate zip constant during cmd/dist 2023-01-17 22:30:53 +00:00
misc cmd/internal/sys, cmd/dist, misc/cgo/testcshared: enable c-shared feature and test on loong64 2023-04-12 20:06:37 +00:00
src go/parser: report //go:build-derived Go version in ast.File.GoVersion 2023-04-13 18:39:29 +00:00
test cmd/compile: fix ir.StaticValue for ORANGE 2023-04-12 19:28:47 +00:00
.gitattributes
.gitignore time/tzdata: generate zip constant during cmd/dist 2023-01-17 22:30:53 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: introduce GOROOT/go.env and move proxy/sumdb config there 2023-01-17 23:10:39 +00:00
LICENSE
PATENTS
README.md README: update from CC-BY-3.0 to CC-BY-4.0 2022-11-02 20:14:56 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00

The Go Programming Language

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