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Commit Graph

7971 Commits

Author SHA1 Message Date
Rob Pike
a16af59fd1 fmt: heaven forfend we export EOF = -1
R=adg
CC=golang-dev
https://golang.org/cl/4248076
2011-03-09 16:53:32 -08:00
Rob Pike
9e2fbe186d Effective Go: some small cleanups.
Add discussion of getters.
Add example using a map as a set.

R=golang-dev, gri, adg, iant
CC=golang-dev
https://golang.org/cl/4240100
2011-03-09 16:47:40 -08:00
Ian Lance Taylor
8206cce117 syslog: split Unix domain support from network support.
This is to make it easier to support Solaris syslog.  On
Solaris syslog messages are sent via STREAMS using putmsg to
/dev/conslog.  The putmsg call uses a a control buffer of type
log_cdtl and a data buffer which is the message, and it is in
general a big mess.  This CL just splits out the Unix domain
support so that Solaris can use a different mechanism.  I do
not propose to implement the Solaris support today.  This
split will make it possible for gccgo to just call the libc
function for now.

R=r, rsc
CC=golang-dev
https://golang.org/cl/4261061
2011-03-09 13:15:46 -08:00
Brad Fitzpatrick
ec5c475919 http: add Flusher type; remove Flush from ResponseWriter
The Flush functionality wasn't removed, but now you have
to test if your ResponseWriter is also a Flusher:

func ServeHTTP(rw http.ResponseWriter, req *http.Request) {
   if f, ok := rw.(http.Flusher); ok {
       f.Flush()
   }
}

R=rsc, bradfitzwork
CC=gburd, golang-dev
https://golang.org/cl/4239077
2011-03-09 10:24:50 -08:00
Rob Pike
2ac4d5270f rpc: delete unused field from InvalidRequest struct.
Was a mysterious holdover from an attempt to fix a problem
long-resolved, I think.

R=rsc, r2
CC=golang-dev
https://golang.org/cl/4243066
2011-03-09 10:02:17 -08:00
Roger Peppe
3a95587e01 fmt: make ScanState.Token more general.
When writing custom scanners, I found that
Token itself was rarely useful, as I did not always
want to stop at white space. This change makes
it possible to stop at any class of characters
while reusing the buffer within State.
(also fix a bug in Token)

R=r, r2
CC=golang-dev
https://golang.org/cl/4243055
2011-03-09 10:01:47 -08:00
Brad Fitzpatrick
2c420ece67 http: change ResponseWriter.SetHeader(k,v) to Header() accessor
Caller code needs to change:

rw.SetHeader("Content-Type", "text/plain")
to:
rw.Header().Set("Content-Type", "text/plain")

This now permits returning multiple headers
with the same name using Add:

rw.Header().Add("Set-Cookie", "..")
rw.Header().Add("Set-Cookie", "..")

This patch also fixes serialization of headers, removing newline characters.

Fixes #488
Fixes #914

R=rsc
CC=gburd, golang-dev
https://golang.org/cl/4239076
2011-03-09 09:41:01 -08:00
Lorenzo Stoakes
fe8639a9fb gc: fix comments in go.h
Trivial fix to '// n' comments against etype enum in go.h, as these have
got out of sync.

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/4240097
2011-03-09 08:35:18 -08:00
Russ Cox
f0ab14647a ld: preserve symbol sizes during data layout
Fixes the broken linux/amd64 build.
The symbol table, itself a symbol, was having
its size rounded up to the nearest word boundary.
If the rounding add >7 zero bytes then it confused
the debug/gosym symbol table parser.  So you've
got a 1/8 chance to hit the bug on an amd64 system.

Just started in the recent change because I fixed
the rounding to round to word boundary instead
of to 4-byte boundary.

R=r
CC=golang-dev
https://golang.org/cl/4241056
2011-03-09 11:18:29 -05:00
David Anderson
ad102e143c syscall: implement Mount and Unmount for linux.
Note that, while the final argument of mount(2) is a void*, in
practice all filesystem implementations treat it as a string
of comma-separated mount options.

R=bradfitzgo, bradfitzwork
CC=golang-dev
https://golang.org/cl/4247070
2011-03-09 05:58:47 -08:00
David Anderson
05660b79ea syscall: implement Reboot for linux.
The published interface is the simple version of the syscall,
allowing all reboot functions except for the esoteric
LINUX_REBOOT_CMD_RESTART2.

R=golang-dev, bradfitzgo, bradfitzwork
CC=golang-dev
https://golang.org/cl/4256060
2011-03-09 05:45:08 -08:00
Nigel Tao
78879b3b8b compress/lzw: benchmark a range of input sizes.
R=rsc, nigeltao_gnome
CC=golang-dev
https://golang.org/cl/4240096
2011-03-09 16:32:02 +11:00
Andrew Gerrand
4896b17584 doc: update codelab wiki to fix template.Execute argument order
Fixes #1595.

R=r
CC=golang-dev
https://golang.org/cl/4243067
2011-03-09 12:59:13 +11:00
Robert Griesemer
758d05551d big: implemented custom Gob(En/De)coder for Int type
- factored implementation of Int.Bytes, Int.SetBytes
  and replaced existing code with much simpler cores
- use the shared bytes, setBytes routines for Gob
  (en/de)coding

Fixes #1496.

R=r, eds
CC=golang-dev
https://golang.org/cl/4249063
2011-03-08 17:27:44 -08:00
Rob Pike
8138654aa8 govet: handle '*' in print format strings.
While we're on govet, fix a couple of mistakes in a test.

Fixes #1592.

R=rsc
CC=golang-dev
https://golang.org/cl/4239071
2011-03-08 14:36:56 -08:00
Anthony Martin
f3ed1ad50c 5l, 8l: output missing section symbols
R=rsc
CC=golang-dev
https://golang.org/cl/4252067
2011-03-08 17:15:20 -05:00
Rob Pike
ce0de4229f FAQ: hello, world is now 1.1MB, down from 1.8MB
R=rsc
CC=golang-dev
https://golang.org/cl/4235061
2011-03-08 11:47:41 -08:00
Russ Cox
7a09a88274 5l, 6l, 8l: omit symbols for type, string, go.string
Much of the bulk of Go binaries is the symbol tables,
which give a name to every C string, Go string,
and reflection type symbol.  These names are not worth
much other than seeing what's where in a binary.

This CL deletes all those names from the symbol table,
instead aggregating the symbols into contiguous blocks
and giving them the names "string.*", "go.string.*", and "type.*".

Before:
$ 6nm $(which godoc.old) | sort | grep ' string\.' | tail -10
  59eda4 D string."aa87ca22be8b05378eb1c71...
  59ee08 D string."b3312fa7e23ee7e4988e056...
  59ee6c D string."func(*token.FileSet, st...
  59eed0 D string."func(io.Writer, []uint8...
  59ef34 D string."func(*tls.Config, *tls....
  59ef98 D string."func(*bool, **template....
  59effc D string."method(p *printer.print...
  59f060 D string."method(S *scanner.Scann...
  59f12c D string."func(*struct { begin in...
  59f194 D string."method(ka *tls.ecdheRSA...
$

After:
$ 6nm $(which godoc) | sort | grep ' string\.' | tail -10
  5e6a30 D string.*
$

Those names in the "Before" are truncated for the CL.
In the real binary they are the complete string, up to
a certain length, or else a unique identifier.
The same applies to the type and go.string symbols.

Removing the names cuts godoc by more than half:

-rwxr-xr-x 1 rsc rsc 9153405 2011-03-07 23:19 godoc.old
-rwxr-xr-x 1 rsc rsc 4290071 2011-03-07 23:19 godoc

For what it's worth, only 80% of what's left gets loaded
into memory; the other 20% is dwarf debugging information
only ever accessed by gdb:

-rwxr-xr-x 1 rsc rsc 3397787 2011-03-07 23:19 godoc.nodwarf

R=r, cw
CC=golang-dev
https://golang.org/cl/4245072
2011-03-08 14:14:28 -05:00
Russ Cox
9267b0ddf1 nm: document -S flag
R=r
CC=golang-dev
https://golang.org/cl/4247066
2011-03-08 13:04:30 -05:00
Gustavo Niemeyer
e17d4de4fe Make.cmd: also clean _test*
Fixes #1593.

R=golang-dev, rsc1
CC=golang-dev
https://golang.org/cl/4266050
2011-03-08 15:02:02 -03:00
Brad Fitzpatrick
64f75f1034 strings: better benchmark names; add BenchmarkIndex
R=dsymonds
CC=golang-dev
https://golang.org/cl/4264052
2011-03-08 09:58:18 -08:00
Brad Fitzpatrick
145108ed36 strings: add IndexRune tests, ASCII fast path
$ gotest -test.v -test.run=IndexRune -test.bench=.*
=== RUN  strings_test.TestIndexRune
--- PASS: strings_test.TestIndexRune (0.0 seconds)
PASS
strings_test.BenchmarkIndexRune	20000000   105 ns/op
strings_test.BenchmarkIndexByte	50000000    48 ns/op

R=rsc, dsymonds
CC=golang-dev
https://golang.org/cl/4267050
2011-03-08 09:41:12 -08:00
Peter Mundy
87aa93457e time: fix Time.ZoneOffset documentation
R=rsc
CC=golang-dev
https://golang.org/cl/4240090
2011-03-08 12:33:49 -05:00
Luuk van Dijk
da42312268 6l,8l: fix gdb crash.
DWARF function types no longer need to be pointer-ified explicitly.
Fixes #1579.

R=rsc, lvd1
CC=golang-dev
https://golang.org/cl/4247065
2011-03-08 18:28:42 +01:00
Robert Hencke
1ddc27888b codereview.py: do not suggest hg change -d if current user is not CL author
R=golang-dev, rsc1, rsc
CC=golang-dev
https://golang.org/cl/4253064
2011-03-08 12:23:06 -05:00
Brad Fitzpatrick
d64a18a27e cgi: child support (e.g. Go CGI under Apache)
The http/cgi package now supports both being
a CGI host or being a CGI child process.

R=rsc, adg, bradfitzwork
CC=golang-dev
https://golang.org/cl/4245070
2011-03-08 08:01:19 -08:00
Rob Pike
8c76218f89 gob: finish up GobEncoder/Decoder by providing indirection
to the receiver. Remove lots of TODOS.

R=rsc
CC=golang-dev
https://golang.org/cl/4257057
2011-03-08 00:02:07 -08:00
Robert Hencke
c55fb521cc flag: failf documentation nit
"standard output" should have been "standard error".  Sorry about that..

R=adg
CC=golang-dev
https://golang.org/cl/4240088
2011-03-08 18:02:07 +11:00
Andrew Gerrand
d2e011d518 http: add test for recently fixed HTTP/1.0 keep-alive issue
R=bradfitzgo, rsc, bradfitzwork
CC=golang-dev
https://golang.org/cl/4235056
2011-03-08 16:12:44 +11:00
Ross Light
d7eacee603 misc/vim: Add indent script for Vim
R=adg
CC=golang-dev
https://golang.org/cl/4258041
2011-03-08 15:42:23 +11:00
Robert Hencke
2a36f9df1c flag: replace fail with failf
R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/4254061
2011-03-08 15:41:36 +11:00
Russ Cox
4c052844dd gc: fix handling of return values named _
Fixes #1586.

R=ken2
CC=golang-dev
https://golang.org/cl/4244057
2011-03-07 19:36:17 -05:00
Robert Griesemer
fb64e0d96f go spec: clarify return statement rules
Added example of a return statement w/o expressions
in a function with a _ result parameter.

See also: http://code.google.com/p/go/issues/detail?id=1586

R=rsc, r, iant
CC=golang-dev
https://golang.org/cl/4266049
2011-03-07 16:29:07 -08:00
Ian Lance Taylor
800217f8c5 net: fix test for Solaris: gopher and http are not in /etc/services.
R=rsc, dsymonds
CC=golang-dev
https://golang.org/cl/4250063
2011-03-07 15:31:41 -08:00
Ian Lance Taylor
89930bda9d os: adjust test: /bin is a symlink, not a directory, on Solaris.
R=rsc
CC=golang-dev
https://golang.org/cl/4239066
2011-03-07 15:30:51 -08:00
Ian Lance Taylor
6892155ded runtime: remove unused declarations from mgc0.c.
R=rsc
CC=golang-dev
https://golang.org/cl/4252063
2011-03-07 15:30:25 -08:00
Russ Cox
5c2666c18c gc: unsafe.Pointer is not a pointer
Change unsafe.Pointer to be its own kind of
type, instead of making it equivalent to *any.
The change complicates import and export
but avoids the need to find all the places that
operate on pointers but should not operate on
unsafe.Pointer.

Fixes #1566. (a different way)
Fixes #1582.

R=ken2
CC=golang-dev
https://golang.org/cl/4264050
2011-03-07 15:10:01 -05:00
Rob Pike
22c45c558b gob: support GobEncoder for type T when the receiver is *T.
Still to do: **T.

R=rsc
CC=golang-dev
https://golang.org/cl/4247061
2011-03-07 12:08:31 -08:00
Brad Fitzpatrick
2168e6aaf1 http: change Hijacker to return a net.Conn
net.Conn is itself a io.ReadWriteCloser, so
most code should be unaffected.

R=rsc, gburd
CC=golang-dev
https://golang.org/cl/4261052
2011-03-07 12:04:04 -08:00
Russ Cox
792ff38604 http: fix cookie_test
Was only breaking on some dashboard builds because
not all run the network tests.

R=bradfitzgo, bradfitzwork
CC=golang-dev
https://golang.org/cl/4240086
2011-03-07 14:45:45 -05:00
Robert Griesemer
021b040a1e go/ast, go/parser: populate identifier scopes at parse time
The parser populates all scopes for a given file (except
type-related scopes for structs, interfaces, and methods
of types) at parse time.

A new parser flag, DeclarationErrors, enables error messages
related to declaration errors (as far as it is possible to
provide them).

The resulting AST has all (non-field, non-method) identifiers
resolved that can be resolved w/o doing imports or parsing
missing package files.

The ast.File node contains the (partially complete)
package scope and a list of unresolved global identifiers.

All type-specific data structures have been removed from the AST.

The existing typechecker is functional but needs to be adjusted
(simplified) accordingly. Utility functions to resolve all
identifiers for a package (after handling imports and parsing
all package files) are  missing.

Unrelated changes:
- Rename typechecker/testdata files to that they are not considered
  by gofmt.
- Minor cleanups/simplifications.

Parses all .go files in src and misc without declaration errors.
Runs all tests. Changes do not affect gofmt output.

R=rsc
CC=golang-dev
https://golang.org/cl/4244049
2011-03-07 11:01:23 -08:00
Robert Griesemer
4b4a1ea899 misc/dashboard/builder/doc.go: gofmt it
R=r, adg
CC=golang-dev
https://golang.org/cl/4256052
2011-03-07 11:00:57 -08:00
Gustavo Niemeyer
e08f0c18c9 goinstall: handle .c files with gc when cgo isn't used
As a data point, this enables goinstall to handle the standard
syscall package almost unchanged (there's one file with the _bsd
extension, and a .c file which isn't supposed to be compiled in).

R=rsc
CC=golang-dev
https://golang.org/cl/4259057
2011-03-07 12:53:39 -05:00
Russ Cox
02323c0e21 rpc: clean up dregs from June 2010
In June 2010 I accidentally checked in pending
changes to package rpc in a compiler CL:
https://golang.org/cl/1736041

I backed them out by hand in a followup CL:
https://golang.org/cl/1736042

That followup CL missed the lines being deleted
in this CL, spotted by Petar.

hg diff -r 5678:5683 src/cmd/prof/gopprof \
        src/pkg/image/png/reader.go \
        src/pkg/rpc/client.go \
        src/pkg/rpc/jsonrpc/all_test.go \
        src/pkg/rpc/jsonrpc/server.go \
        src/pkg/rpc/server.go \
        test/arm-pass.txt

confirms that these lines in server.go are the
only ones that were missed by the original followup.

Fixes #1583.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4266046
2011-03-07 12:09:00 -05:00
Gustavo Niemeyer
ff40deee62 goinstall: handle .s files with gc
As a data point, with this change goinstall is able to
fully build package big out of the box.

R=rsc
CC=golang-dev
https://golang.org/cl/4264049
2011-03-07 12:08:52 -05:00
Petar Maymounkov
3e042ebb57 http: adapt Cookie code to follow IETF draft
R=rsc, bradfitzwork
CC=golang-dev
https://golang.org/cl/4235055
2011-03-07 12:08:39 -05:00
Russ Cox
ad29ef9561 runtime: fix windows/386 build
TBR=brainman
CC=golang-dev
https://golang.org/cl/4237060
2011-03-07 11:48:35 -05:00
Russ Cox
5946e46138 goinstall: fix build
func init runs *after* var declarations

TBR=niemeyer
CC=golang-dev
https://golang.org/cl/4260055
2011-03-07 11:33:26 -05:00
Pascal S. de Kloe
4371e09457 hash: new FNV-1a implementation
R=agl1, rsc
CC=golang-dev
https://golang.org/cl/4257042
2011-03-07 11:11:21 -05:00
Gustavo Niemeyer
70f08b47a0 goinstall: handle $(GOOS) and $(GOARCH) in filenames
This enables goinstall to handle .go and .c files (for cgo)
which are named after the following patterns:

    name_$(GOOS).*
    name_$(GOARCH).*
    name_$(GOOS)_$(GOARCH).*

Files with those names are only included if the $(GOOS) and
$(GOARCH) match the current system.

R=rsc
CC=golang-dev
https://golang.org/cl/4172055
2011-03-07 10:54:53 -05:00