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This is the only case where Align is assigned outside of package
types. Rather than adding a SetAlign method, adding a RecalcSize
function is a bit more descriptive.
Change-Id: I1b3c01ebd0e41183665baa63c926592865bbbd0b
Reviewed-on: https://go-review.googlesource.com/c/go/+/345479
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
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Not used outside of package types anymore. Let's keep it that.
Change-Id: I69b464ac94edaacd219da4210f7b8618e2beaf70
Reviewed-on: https://go-review.googlesource.com/c/go/+/345413
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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test/typeparams/mdempsky
1.go, 12.go: similar to calculating type sizes, we delay computing
instantiations during import until we get up to a top-level type, in
order to make sure recursive types are complete. But we should always
delay calculating sizes when we delay instantiating types, since
otherwise we may try to calculate the size of an incomplete type. So,
needed to add Defer/ResumeCheckSize in (*importReader).typ where we also
defer instantiations. (iimport.go)
2.go: when doing type substition, we have to handle named, parameterized
basic types i.e. the type has a type parameter even though the
underlying type is a basic type that doesn't depend on the parameter.
(subr.go)
3.go: for go 1.18, we allow arbitrary types in interfaces. We had
already allowed union types and tilde types, but didn't allow regular
non-interface types in Go 1.17 for compatibility. Just skip an error
in the case of 1.18. (size.go)
5.go: types2 and types1 differ in how they print out interfaces. types1
puts a space between "interface" and "{", types2 does not. So, since
some typenames come from types2 and some from types1, we need to remove
the space when printing out type arguments. (iimport.go/subr.go)
9.go: in subst.node(), we were missing the KeyExpr case where a node has
no type. The assertion is just there, to make sure we understand all the
cases where there is no type to translate. We could just remove the
whole error check. (stencil.go)
13.go: in subst.node(), missed handling the case where a method
expression is immediate called (which of course, is quite unusual, since
then there's no real reason to have used the method expression syntax in
that case). Just needed to add ir.OMETHEXPR in the OCALL switch
statement. (stencil.go)
Change-Id: I202cbe9541dfafe740e3b84b44982d6181738ea0
Reviewed-on: https://go-review.googlesource.com/c/go/+/333165
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
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For toolstash -cmp compatibility with types2, we also need to sort
fields (or at least the embedded types) *before* expanding them. This
is relevant to what position information and parameter names are used
for methods when embedded interfaces have overlapping methods.
This came up in archive/zip, which has:
type fileInfoDirEntry interface {
fs.FileInfo
fs.DirEntry
}
and both of these embedded interfaces in turn have an "IsDir() bool"
method. Traditionally, cmd/compile would keep the method from
fs.FileInfo.IsDir, but with types2 it will now keep fs.DirEntry.IsDir
instead. This doesn't affect correctness at all, but it does end up in
DWARF sometimes.
Change-Id: Iac8d6321894be335466a76b5bf8a0c1b15a3581b
Reviewed-on: https://go-review.googlesource.com/c/go/+/324330
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Robert Griesemer <gri@golang.org>
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This CL makes a handful of changes to either bring existing compiler
output consistent with what types2 produces or to make it easier to
reproduce with types2:
1. The position for embedded fields is corrected to the position of
the syntax.Field, rather than the syntax.Type.
2. Methods and embedded types are sorted in export data the same way
that types2 sorts them.
3. Don't write out position information for OLITERALs that don't have
their own position (i.e., references to named constants).
Change-Id: Ic3979215ae9ef280cfbba7b44c236e03fc12a2ef
Reviewed-on: https://go-review.googlesource.com/c/go/+/323209
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
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Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
Trust: Matthew Dempsky <mdempsky@google.com>
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Add union support in types1, and allow exporting of unions, and
importing unions back into types1 and types2.
Added new test mincheck.go/mincheck.dir that tests that type lists (type
sets) are correctly exported/imported, so that types2 gives correct
errors that an instantiation doesn't fit the type list in the type param
constraint.
Change-Id: I8041c6c79289c870a95ed5a1b10e4c1c16985b12
Reviewed-on: https://go-review.googlesource.com/c/go/+/322609
Trust: Dan Scales <danscales@google.com>
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
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types.Type instead
Confusingly, the set of all methods of an interface is currently set in
Fields field of types.Interface. This is true, even though there is
already an allMethods field (and AllMethods method) of types.Type.
Change so the set of all methods of an interface are stored in
Type.allMethods, and Interface.Fields is removed. Update the comments
for Methods and AllMethods.
Change-Id: Ibc32bafae86831cba62606b079a855690612c759
Reviewed-on: https://go-review.googlesource.com/c/go/+/307209
Run-TryBot: Dan Scales <danscales@google.com>
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Trust: Dan Scales <danscales@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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Repair of CL 300749.
ALSO:
found evidence that stack maps for bodyless methods are wrong.
gofmt in test/abi
removed never-executed code in types/size.go
Updates #44816.
Updates #40724.
Change-Id: Ifeb5fee60f60e7c7b58ee0457f58a3265d6cf3f6
Reviewed-on: https://go-review.googlesource.com/c/go/+/302071
Trust: David Chase <drchase@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
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This reverts commit 8ed438c077d82c4b4662c327dbbdb3c64e7547ca, CL 300749.
Reason for revert: Looks like it crashes on link-register architectures
Change-Id: I0c261df58900008cada3359889d2a87508158447
Reviewed-on: https://go-review.googlesource.com/c/go/+/302053
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
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ALSO:
found evidence that stack maps for bodyless methods are wrong.
gofmt in test/abi
removed never-executed code in types/size.go
Updates #44816.
Change-Id: I658c33f049337fb6f1e625f0c55430d25bfa877e
Reviewed-on: https://go-review.googlesource.com/c/go/+/300749
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
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The invalid interface type will be reported already, so don't expand
that invalid one, which causes the compiler crashes.
Updates #43311
Change-Id: Ic335cfa74f0b9fcfd0929dc5fd31d9156a8f5f5c
Reviewed-on: https://go-review.googlesource.com/c/go/+/298710
Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
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Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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types thought it knew how to do this, but that's a lie, because types
doesn't know what the ABI is.
includes extra checking to help prevent things from accidentally working
if they need to be changed but aren't.
For #40724.
Change-Id: I166cd948f262344b7bebde6a2c25e7a7f878bbfb
Reviewed-on: https://go-review.googlesource.com/c/go/+/293393
Trust: David Chase <drchase@google.com>
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
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Change-Id: I5fe767237b8046934e9b0f33bd3dafabdb727dd6
GitHub-Last-Rev: 94fea3d57279e8b2d62f7f6be4301698dc8841e3
GitHub-Pull-Request: golang/go#44384
Reviewed-on: https://go-review.googlesource.com/c/go/+/293809
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: Robert Griesemer <gri@golang.org>
Trust: Matthew Dempsky <mdempsky@google.com>
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Also, make some fmt changes so that the type parameters and the
typeparam type are displayed in -W=2.
You can now parse a simple generic function (but not generic calls or generic
types) and print out the noder IR via 'go tool compile -G=2 -W=2 func.go'
Change-Id: I1f070fc4a96174a447763ad37999e61c25905901
Reviewed-on: https://go-review.googlesource.com/c/go/+/287833
Run-TryBot: Dan Scales <danscales@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Dan Scales <danscales@google.com>
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
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recent renames
Went in a semi-automated way through the clearest renames of functions,
and updated comments and error messages where it made sense.
Change-Id: Ied8e152b562b705da7f52f715991a77dab60da35
Reviewed-on: https://go-review.googlesource.com/c/go/+/284216
Trust: Dan Scales <danscales@google.com>
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Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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[generated]
To break up package gc, we need to put these calculations somewhere
lower in the import graph, either an existing or new package. Package types
already needs this code and is using hacks to get it without an import cycle.
We can remove the hacks and set up for the new package gc by moving the
code into package types itself.
[git-generate]
cd src/cmd/compile/internal/gc
rf '
# Remove old import cycle hacks in gc.
rm TypecheckInit:/types.Widthptr =/-0,/types.Dowidth =/+0 \
../ssa/export_test.go:/types.Dowidth =/-+
ex {
import "cmd/compile/internal/types"
types.Widthptr -> Widthptr
types.Dowidth -> dowidth
}
# Disable CalcSize in tests instead of base.Fatalf
sub dowidth:/base.Fatalf\("dowidth without betypeinit"\)/ \
// Assume this is a test. \
return
# Move size calculation into cmd/compile/internal/types
mv Widthptr PtrSize
mv Widthreg RegSize
mv slicePtrOffset SlicePtrOffset
mv sliceLenOffset SliceLenOffset
mv sliceCapOffset SliceCapOffset
mv sizeofSlice SliceSize
mv sizeofString StringSize
mv skipDowidthForTracing SkipSizeForTracing
mv dowidth CalcSize
mv checkwidth CheckSize
mv widstruct calcStructOffset
mv sizeCalculationDisabled CalcSizeDisabled
mv defercheckwidth DeferCheckSize
mv resumecheckwidth ResumeCheckSize
mv typeptrdata PtrDataSize
mv \
PtrSize RegSize SlicePtrOffset SkipSizeForTracing typePos align.go PtrDataSize \
size.go
mv size.go cmd/compile/internal/types
'
: # Remove old import cycle hacks in types.
cd ../types
rf '
ex {
Widthptr -> PtrSize
Dowidth -> CalcSize
}
rm Widthptr Dowidth
'
Change-Id: Ib96cdc6bda2617235480c29392ea5cfb20f60cd8
Reviewed-on: https://go-review.googlesource.com/c/go/+/279234
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
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