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Matthew Dempsky 742c05e3bc [dev.regabi] cmd/compile: prep refactoring for switching to go/constant
This CL replaces gc.Ctype (along with its CTINT, etc. constants) with
constant.Kind; renames Val.Ctype to Val.Kind; and replaces a handful
of abstraction-violating patterns that can be readily expressed
differently.

The next commit will actually replace Val with constant.Value.

Passes toolstash-check.

[git-generate]
cd src/cmd/compile/internal/gc

sed -i 's/type Ctype uint8/type Ctype = constant.Kind/' const.go
goimports -w const.go

rf '
inline -rm Ctype
mv Val.Ctype Val.Kind

ex import "go/constant"; \
  CTxxx  -> constant.Unknown; \
  CTINT  -> constant.Int; \
  CTFLT  -> constant.Float; \
  CTCPLX -> constant.Complex; \
  CTBOOL -> constant.Bool; \
  CTSTR  -> constant.String

rm CTxxx CTINT CTFLT CTCPLX CTBOOL CTSTR

ex import "cmd/compile/internal/types"; \
  var t *types.Type; \
  var v, v2 Val; \
  v.U.(*Mpint).Cmp(maxintval[TINT]) > 0 -> doesoverflow(v, types.Types[TINT]); \
  v.U.(*Mpint).Cmp(v2.U.(*Mpint)) > 0 -> compareOp(v, OGT, v2); \
  maxintval[t.Etype].Cmp(maxintval[TUINT]) <= 0 -> t.Size() <= types.Types[TUINT].Size(); \
  maxintval[t.Etype].Cmp(maxintval[TUINT]) >  0 -> t.Size() >  types.Types[TUINT].Size();
'

go test cmd/compile -u

Change-Id: I6c22ec0597508845f88eee639a0d76cbaa66d08f
Reviewed-on: https://go-review.googlesource.com/c/go/+/272653
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
2020-11-24 19:50:09 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api api: update next.txt 2020-10-29 20:51:49 +00:00
doc syscall: add DLLError.Unwrap function 2020-11-21 07:37:02 +00:00
lib/time lib/time, time/tzdata: update tz data to 2020d 2020-10-24 21:42:44 +00:00
misc cmd/compile: mark plugin-exported types as used in interface 2020-11-13 22:01:37 +00:00
src [dev.regabi] cmd/compile: prep refactoring for switching to go/constant 2020-11-24 19:50:09 +00:00
test [dev.regabi] cmd/compile: cleanup type switch typechecking 2020-11-24 19:32:42 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.15 release 2020-08-10 21:51:48 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS
README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
robots.txt
SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00

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