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2009-12-11bug in 6g optimizerKen Thompson4-57/+57
8g still needs fixing R=rsc http://codereview.appspot.com/176057
2009-12-11parser changed to reflect new semicolon rulesRobert Griesemer2-229/+167
R=rsc http://codereview.appspot.com/175046 Committer: Robert Griesemer <gri@golang.org>
2009-12-11fix printer test for new syntaxRobert Griesemer9-105/+277
R=rsc http://codereview.appspot.com/175048
2009-12-11Remove GOBIN in PATH dependency; don't assume cwd is $GOROOT/srcDevon H. O'Dell16-94/+142
This change removes the necessity to have GOBIN in $PATH, and also doesn't assume that the build is being run from $GOROOT/src. This is a minimal set of necessary changes to get Go to build happily from the FreeBSD ports collection. R=rsc CC=golang-dev http://codereview.appspot.com/171044 Committer: Russ Cox <rsc@golang.org>
2009-12-11encoding/binary: Add support for slices of arrays of fixed-size values.Maxim Ushakov2-6/+52
R=rsc CC=krasin http://codereview.appspot.com/167050 Committer: Russ Cox <rsc@golang.org>
2009-12-11Add a Makefile in place of all.bash. Update docs to reflectDevon H. O'Dell2-7/+13
this change. R=rsc CC=golang-dev http://codereview.appspot.com/171048 Committer: Russ Cox <rsc@golang.org>
2009-12-11syslog: new packageYves Junqueira5-3/+258
R=golang-dev, rsc http://codereview.appspot.com/157168 Committer: Russ Cox <rsc@golang.org>
2009-12-11mkbuiltin: generate builtin.c directlyYongjian Xu2-4/+2
R=golang-dev, rsc http://codereview.appspot.com/173041 Committer: Russ Cox <rsc@golang.org>
2009-12-11bytes, strings: allow -1 in Map to mean "drop this character".Kei Son6-26/+91
xml: drop invalid characters in attribute names when constructing struct field names. R=rsc CC=r http://codereview.appspot.com/157104 Committer: Russ Cox <rsc@golang.org>
2009-12-10- make make test working againRobert Griesemer1-15/+15
- some factoring for easier experimentation R=rsc http://codereview.appspot.com/174048
2009-12-10New flags for gofmt:Robert Griesemer4-11/+33
- oldparser parse old syntax (required semicolons) - oldprinter print old syntax (required semicolons) By default, these flags are enabled for now. Setting -oldparser=false has no effect until go/parser is changed to accept the new syntax. Enabled exp/parser in Makefile; update dependent exp/eval. R=rsc http://codereview.appspot.com/174051
2009-12-10rename exp/parser package to oldParserRobert Griesemer3-8/+13
to allow simultaneous import with the current go/parser R=rsc http://codereview.appspot.com/174053
2009-12-10implement NoSemis and NoStringConcat mode for go/printerRobert Griesemer2-5/+22
R=rsc http://codereview.appspot.com/174050
2009-12-10implemented InsertSemis mode for go/scannerRobert Griesemer2-20/+236
R=rsc http://codereview.appspot.com/175047
2009-12-10- unmodified copy of existing go/parser, not yet hooked upRobert Griesemer4-0/+2326
R=rsc CC=r http://codereview.appspot.com/175045
2009-12-10fix calling convention and make memmove restore the g and mKai Backman1-2/+10
registers. R=rsc http://codereview.appspot.com/166049
2009-12-10added SHUT_RD, SHOT_WR and xSHUT_RDWR to fix net compilation errorKai Backman1-0/+3
R=rsc http://codereview.appspot.com/165044
2009-12-09minor manual format correctionsRobert Griesemer2-3/+1
R=rsc http://codereview.appspot.com/172042
2009-12-09remove uses of string concatenation from src and misc directoryRobert Griesemer20-621/+620
R=rsc http://codereview.appspot.com/172041
2009-12-09added benchmarks to rand_test.go;Roger Peppe1-0/+15
removed superfluous field name in lockedSource. R=r, rsc http://codereview.appspot.com/170043 Committer: Russ Cox <rsc@golang.org>
2009-12-09syscalls can return negative i/o counts. fix bugs in ReadAt and WriteAt not ↵Rob Pike1-2/+2
to include negative counts in return values. R=rsc CC=golang-dev http://codereview.appspot.com/170044
2009-12-09Make the operations on the global rng thread safe.Roger Peppe1-1/+21
R=r, rsc CC=golang-dev http://codereview.appspot.com/168041 Committer: Russ Cox <rsc@golang.org>
2009-12-09Continuation of issue 221 fix. When 8g or 6g or 5g are called with aCharles L. Dorian5-5/+5
UTF-8 string, Yconv() converts it into an octal sequence. If the string converted to more than 30 bytes, the str buffer would overflow. For example, 4 Greek runes became 32 bytes, 3 Hiragana runes became 36 bytes, and 2 Gothic runes became 32 bytes. In 8l, 6l and 5l the function is Sconv(). For some reason, only 5l uses the constant STRINGSZ (defined as 200) for the buffer size. R=rsc http://codereview.appspot.com/168045 Committer: Russ Cox <rsc@golang.org>
2009-12-09json package: Fixed handling of nil valuesRoss Light2-1/+15
Fixes issue 400. R=golang-dev, rsc http://codereview.appspot.com/167058 Committer: Russ Cox <rsc@golang.org>
2009-12-09Added XTEA block cipher package to src/pkg/cryptoAdrian O'Grady5-0/+417
This is an adaption of the code from http://en.wikipedia.org/wiki/XTEA. The package also implements the block.Cipher interface so that it can be used with the various block modes. R=rsc http://codereview.appspot.com/157152 Committer: Russ Cox <rsc@golang.org>
2009-12-08runtime: start new darwin/amd64 threads on correct stack,Russ Cox1-11/+13
then enable stack check. R=r http://codereview.appspot.com/165100
2009-12-08bufio: use copy - significant speedup for writersRuss Cox1-12/+6
R=r http://codereview.appspot.com/167047
2009-12-08Fix stack on FreeBSD / add stack check across the boardDevon H. O'Dell8-10/+36
FreeBSD was passing stk as the new thread's stack base, while stk is the top of the stack in go. The added check should cause a trap if this ever comes up in any new ports, or regresses in current ones. R=rsc CC=golang-dev http://codereview.appspot.com/167055 Committer: Russ Cox <rsc@golang.org>
2009-12-08When SA_SIGINFO is set, we should use __sa_sigaction on FreeBSDDevon H. O'Dell2-4/+4
R=rsc CC=golang-dev http://codereview.appspot.com/165097 Committer: Russ Cox <rsc@golang.org>
2009-12-076l, 8l: make string buffer big enough for 8 chars (and then some)Russ Cox2-2/+2
Fixes issue 221. R=ken2 http://codereview.appspot.com/165086
2009-12-07runtime: don't touch pages of memory unnecessarily.Russ Cox8-45/+15
cuts working size for hello world from 6 MB to 1.2 MB. still some work to be done, but diminishing returns. R=r http://codereview.appspot.com/165080
2009-12-07runtime: introduce unsafe.New and unsafe.NewArrayRuss Cox7-38/+79
to provide functionality previously hacked in to reflect and gob. R=r http://codereview.appspot.com/165076
2009-12-07use a bootstrap array to avoid allocation for short vectorsRobert Griesemer2-16/+30
R=r http://codereview.appspot.com/165078
2009-12-07Remove copyBytes completely in favor of copy.Christopher Wedgwood1-11/+2
R=r, rsc http://codereview.appspot.com/165068 Committer: Rob Pike <r@golang.org>
2009-12-07pick off special one-byte case in copy. worth 2x in benchmarks (38ns->16ns).Rob Pike1-1/+5
the one-item case could be generalized easily with no cost. worth considering. R=rsc CC=golang-dev, cw http://codereview.appspot.com/167044
2009-12-07the AST walker currently provides no way to find out how theRoger Peppe2-57/+61
nodes in the tree are nested with respect to one another. a simple change to the Visitor interface makes it possible to do this (for example to maintain a current node-depth, or a knowledge of the name of the current function). Visit(nil) is called at the end of a node's children; this make possible the channel-based interface below, amongst other possibilities. It is still just as simple to get the original behaviour - just return the same Visitor from Visit. Here are a couple of possible Visitor types. // closure-based type FVisitor func(n interface{}) FVisitor func (f FVisitor) Visit(n interface{}) Visitor { return f(n); } // channel-based type CVisitor chan Visit; type Visit struct { node interface{}; reply chan CVisitor; }; func (v CVisitor) Visit(n interface{}) Visitor { if n == nil { close(v); } else { reply := make(chan CVisitor); v <- Visit{n, reply}; r := <-reply; if r == nil { return nil; } return r; } return nil; } R=gri CC=rsc http://codereview.appspot.com/166047 Committer: Robert Griesemer <gri@golang.org>
2009-12-06save a few ns by inlining (which mostly simplifies things anyway).Rob Pike2-114/+100
a couple of cleanups. don't keep big buffers in the free list. R=rsc CC=golang-dev http://codereview.appspot.com/166078
2009-12-06unexport Fmt. it's not needed outside this package any moreRob Pike2-205/+179
cleans up godoc's output for package fmt substantially. R=rsc CC=golang-dev http://codereview.appspot.com/165070
2009-12-06Make printing faster by avoiding mallocs and some other advances.Rob Pike4-415/+423
Roughly 33% faster for simple cases, probably more for complex ones. Before: mallocs per Sprintf(""): 4 mallocs per Sprintf("xxx"): 6 mallocs per Sprintf("%x"): 10 mallocs per Sprintf("%x %x"): 12 Now: mallocs per Sprintf(""): 2 mallocs per Sprintf("xxx"): 3 mallocs per Sprintf("%x"): 5 mallocs per Sprintf("%x %x"): 7 Speed improves because of avoiding mallocs and also by sharing a bytes.Buffer between print.go and format.go rather than copying the data back after each printed item. Before: fmt_test.BenchmarkSprintfEmpty 1000000 1346 ns/op fmt_test.BenchmarkSprintfString 500000 3461 ns/op fmt_test.BenchmarkSprintfInt 500000 3671 ns/op Now: fmt_test.BenchmarkSprintfEmpty 2000000 995 ns/op fmt_test.BenchmarkSprintfString 1000000 2745 ns/op fmt_test.BenchmarkSprintfInt 1000000 2391 ns/op fmt_test.BenchmarkSprintfIntInt 500000 3751 ns/op I believe there is more to get but this is a good milestone. R=rsc CC=golang-dev, hong http://codereview.appspot.com/166076
2009-12-06runtime: disable pointer scan optimizationRuss Cox1-1/+3
* broken by reflect, gob TBR=r http://codereview.appspot.com/166077
2009-12-04Fix syscall.Statfs and syscall.Fstatfs for 386 GNU/Linux.Ian Lance Taylor2-14/+12
For 386 we use the [f]statfs64 system call, which takes three parameters: the filename, the size of the statfs64 structure, and a pointer to the structure itself. R=rsc http://codereview.appspot.com/166073
2009-12-04gc/runtime: pass type structure to makeslice.Russ Cox7-17/+201
* inform garbage collector about memory with no pointers in it 1.9s gcc reverse-complement.c reverse-complement.go 4.5s / 3.5s original, with/without bounds checks 3.5s / 3.3s bounds check reduction 3.3s / 2.8s smarter garbage collector 2.6s / 2.3s assembler bytes.IndexByte 2.5s / 2.1s even smarter garbage collector (this CL) R=r http://codereview.appspot.com/165064
2009-12-04gc: walk pointer in range on slice/arrayRuss Cox1-4/+21
R=ken2 http://codereview.appspot.com/166071
2009-12-046g/8g optimizer fix: throw functions now in runtimeRuss Cox2-8/+8
R=ken2 http://codereview.appspot.com/166070
2009-12-04gotest: stop if the // gotest commands failRuss Cox1-1/+1
R=r http://codereview.appspot.com/166067
2009-12-04net: more fiddling with the udp test.Russ Cox1-1/+1
i don't know why the timeout needs to be so big. R=r http://codereview.appspot.com/165063
2009-12-04libmach: fix disassembly of MOVLQSXRuss Cox1-1/+1
R=r http://codereview.appspot.com/166068
2009-12-04gotest: ignore *_test.pb.goRuss Cox1-1/+1
R=r http://codereview.appspot.com/166064
2009-12-04Add syscall.Rename for NaCl. Fixes NaCl build.Ian Lance Taylor1-0/+4
R=rsc http://codereview.appspot.com/165062
2009-12-04runtime: shift the index for the sort by one.Adam Langley1-6/+2
Makes the code look cleaner, even if it's a little harder to figure out from the sort invariants. R=rsc CC=golang-dev http://codereview.appspot.com/165061
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