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Commit Graph

14 Commits

Author SHA1 Message Date
Robert Griesemer
f6d536bea4 go/parser: fix type switch scoping
Introduce extra scope for the variable declared by a
TypeSwitchGuard so that it doesn't conflict with vars
declared by the initial SimpleStmt of a type switch.

This is a replacement for CL 4896053 which caused
a build breakage.

Also:
- explicitly detect type switches (as opposed to detecting
  expression switches and then do extra testing for type switches)
- fix all outstanding TODOs in parser.go
- ran all tests

R=rsc
CC=golang-dev
https://golang.org/cl/4914044
2011-08-23 09:22:41 -07:00
Robert Griesemer
8843262599 undo CL 4896053 / c62cf48b7dc4: fix build
The subtle AST changes introduced with CL 4896053
broke type checking of type switches in gofix.
Coming up with a correct fix will take some time.
Undoing this change for now.

««« original CL description
go/parser: fix type switch scoping

The variable declared by a TypeSwitchGuard must be
visible in each TypeCaseClause and must not conflict
with other variables declared by the initial SimpleStmt
of a type switch.

Also:
- explicitly detect type switches (as opposed to detecting
  regular (expression switches) and then do extra testing
  for type switches
- fix all outstanding TODOs in parser.go

R=rsc
CC=golang-dev
https://golang.org/cl/4896053
»»»

R=rsc
CC=golang-dev
https://golang.org/cl/4902052
2011-08-18 11:42:19 -07:00
Robert Griesemer
18248ced36 go/parser: fix type switch scoping
The variable declared by a TypeSwitchGuard must be
visible in each TypeCaseClause and must not conflict
with other variables declared by the initial SimpleStmt
of a type switch.

Also:
- explicitly detect type switches (as opposed to detecting
  regular (expression switches) and then do extra testing
  for type switches
- fix all outstanding TODOs in parser.go

R=rsc
CC=golang-dev
https://golang.org/cl/4896053
2011-08-18 10:28:58 -07:00
Robert Griesemer
fa497796f5 go/parser: report illegal label declarations at ':' rather than guessing the start
Also:
- Add parser.SpuriousError flag. If set, the parser reports all (including
  spurious) errors rather then at most one error per line.
- Add -e flag to gofmt and gotype: If set, gofmt and gotype report all
  (including spurious) errors rather than at most one error per line.
- Updated the respective documentation.

Fixes #2088.

R=rsc
CC=golang-dev
https://golang.org/cl/4803047
2011-07-22 09:55:37 -07:00
Robert Griesemer
90564a9256 go/printer: changed max. number of newlines from 3 to 2
manual changes in src/pkg/go/printer, src/cmd/gofix/signal_test.go
(cd src/cmd/gofix/testdata; gofmt -w *.in *.out)
(cd src/pkg/go/printer; gotest -update)
gofmt -w misc src

runs all tests

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4715041
2011-07-14 14:39:40 -07:00
Robert Griesemer
712fb6dcd3 os.Error API: don't export os.ErrorString, use os.NewError consistently
This is a core API change.

1) gofix misc src
2) Manual adjustments to the following files under src/pkg:
   gob/decode.go
   rpc/client.go
   os/error.go
   io/io.go
   bufio/bufio.go
   http/request.go
   websocket/client.go
as well as:
   src/cmd/gofix/testdata/*.go.in (reverted)
   test/fixedbugs/bug243.go
3) Implemented gofix patch (oserrorstring.go) and test case (oserrorstring_test.go)

Compiles and runs all tests.

R=r, rsc, gri
CC=golang-dev
https://golang.org/cl/4607052
2011-06-22 10:52:47 -07:00
Robert Griesemer
ba006e6b6a go/types: type checker API + testing infrastructure
At the moment types.Check() only deals with global
types and only partially so. But the framework is
there to compute them and check for cycles. An initial
type test is passing.

First step of a series of CLs to come.

R=rsc
CC=golang-dev
https://golang.org/cl/4425063
2011-05-13 15:31:09 -07:00
Robert Griesemer
1baffa7da0 gotype: use go/types GcImporter
R=rsc
CC=golang-dev
https://golang.org/cl/4358043
2011-04-07 21:42:30 -07:00
Rob Pike
8a90fd3c72 os: New Open API.
We replace the current Open with:
OpenFile(name, flag, perm) // same as old Open
Open(name) // same as old Open(name, O_RDONLY, 0)
Create(name) // same as old Open(name, O_RDWR|O_TRUNC|O_CREAT, 0666)

This CL includes a gofix module and full code updates: all.bash passes.
(There may be a few comments I missed.)

The interesting packages are:
        gofix
        os
Everything else is automatically generated except for hand tweaks to:
        src/pkg/io/ioutil/ioutil.go
        src/pkg/io/ioutil/tempfile.go
        src/pkg/crypto/tls/generate_cert.go
        src/cmd/goyacc/goyacc.go
        src/cmd/goyacc/units.y

R=golang-dev, bradfitzwork, rsc, r2
CC=golang-dev
https://golang.org/cl/4357052
2011-04-04 23:42:14 -07:00
Robert Griesemer
7a5bbfd47f gotype: support for more tests, added one new test
also: minor fix to parser

Note: gotest won't run the gotype test yet until
it permits TestXXX functions where XXX is empty.

R=r
CC=golang-dev
https://golang.org/cl/4300053
2011-03-30 15:27:23 -07:00
Robert Griesemer
5be77a204b go/ast: implemented NewPackage
NewPackage creates an ast.Package node from
a set of package files and resolves unresolved
identifiers.

Also:
- Changed semantics of Scope.Insert: If an
  object is inserted w/o errors, the result
  is nil (before it was obj).
- Fixed an identifier resolution bug in the
  parser: map keys must not be resolved.

gotype runs through several go/* packages
and successfully resolves all (non-field/method)
identifiers.

R=rog, rsc
CC=golang-dev
https://golang.org/cl/4298044
2011-03-28 10:46:26 -07:00
Rob Pike
d406f8f650 testing: set up structure for faster testing using the new -test.short flag.
New make target "testshort" runs "gotest -test.short" and is invoked
by run.bash, which is invoked by all.bash.

Use -test.short to make one package (crypto ecdsa) run much faster.
More changes to come.

Once this is in, I will update the long-running tests to use the new flag.

R=rsc
CC=golang-dev
https://golang.org/cl/4317043
2011-03-25 14:50:44 -07:00
Robert Griesemer
c734b50b11 gotype: clean handling of stdin, added tests
- removed uses of global variables
- minor cleanups

R=r
CC=golang-dev
https://golang.org/cl/4277044
2011-03-11 16:15:33 -08:00
Robert Griesemer
dbff0adaa7 gotype: commandline tool to typecheck go programs
First version. Handles scope analysis only at the
moment.

R=rsc, r, eds
CC=golang-dev
https://golang.org/cl/4259065
2011-03-11 10:27:25 -08:00