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Commit Graph

6 Commits

Author SHA1 Message Date
Ian Lance Taylor
265b59aefd cmd/cgo: for godefs, don't let field prefix removal cause duplicates
Fixes #48396

Change-Id: Idd7cb66536ef513806c472d394a929bc271fc26b
Reviewed-on: https://go-review.googlesource.com/c/go/+/350159
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Matt Layher <mdlayher@gmail.com>
2021-09-16 23:56:28 +00:00
Ian Lance Taylor
eaa97fbf20 cmd/cgo: don't translate bitfields into Go fields
The cgo tool would sometimes emit a bitfield at an offset that did not
correspond to the C offset, such as for the example in the new test.

Change-Id: I61b2ca10ee44a42f81c13ed12865f2060168fed5
Reviewed-on: https://go-review.googlesource.com/c/go/+/252378
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
2020-09-16 03:02:13 +00:00
Ian Lance Taylor
a5a9a06d71 cmd/cgo: in -godefs mode, don't change constant to type
Fixes #39534

Change-Id: Icbc1745935dd7098c09e2d35c61cd5bfbaa31c63
Reviewed-on: https://go-review.googlesource.com/c/go/+/237558
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2020-06-11 21:53:45 +00:00
Matthew Dempsky
b565d1ec16 cmd/cgo: use type aliases for #define type macros
Cgo's initial design for handling "#define foo int*" involved
rewriting "C.foo" to "*_Ctype_int" everywhere. But now that we have
type aliases, we can declare "type _Ctype_foo = *_Ctype_int" once, and
then rewrite "C.foo" to just "_Ctype_foo".

This is important for go/types's UsesCgo mode, where go/types needs to
be able to figure out a type for each C.foo identifier using only the
information written into _cgo_gotypes.go.

Fixes #38649.

Change-Id: Ia0f8c2d82df81efb1be5bc26195ea9154c0af871
Reviewed-on: https://go-review.googlesource.com/c/go/+/230037
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2020-05-01 18:01:28 +00:00
Tobias Klauser
a265c2c448 cmd/cgo, misc/cgo: only cache anonymous struct typedefs with parent name
CL 181857 broke the translation of certain C types using cmd/cgo -godefs
because it stores each typedef, array and qualified type with their
parent type name in the translation cache.

Fix this by only considering the parent type for typedefs of anonymous
structs which is the only case where types might become ambiguous.

Updates #31891
Fixes #37479
Fixes #37621

Change-Id: I301a749ec89585789cb0d213593bb8b7341beb88
Reviewed-on: https://go-review.googlesource.com/c/go/+/226341
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2020-03-30 18:44:17 +00:00
Bryan C. Mills
c6da080b1a misc/cgo/testgodefs: move source files into testdata
These source files fail to build with 'go test ./...'.
Move them into testdata so that only test.bash will see them.

Updates #30228

Change-Id: I3673f3cb64b0c128a2bca5fee7679b672fe90770
Reviewed-on: https://go-review.googlesource.com/c/163212
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-02-26 02:44:12 +00:00