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136 Commits

Author SHA1 Message Date
Rob Pike
7b03f2a990 fmt: make %q work for integers, printing a quoted character literal. 
R=rsc
CC=golang-dev
https://golang.org/cl/4556060
 2011-05-25 21:25:15 +10:00
Evan Shaw
3230fd1469 fmt: scanning doc fix 
R=r
CC=golang-dev
https://golang.org/cl/4539073
 2011-05-21 07:38:01 +10:00
Robert Griesemer
bda36cf3ab fmt: fix minor documentation nits 
R=r, rsc
CC=golang-dev
https://golang.org/cl/4556041
 2011-05-18 11:34:19 -07:00
Russ Cox
07abf1c732 fix tree for reflect rename 
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4435067
 2011-04-25 13:39:36 -04:00
Rob Pike
f3113ee9b9 fmt: tweak the doc for %U. 
Fixes #1727.

R=rsc
CC=golang-dev
https://golang.org/cl/4437069
 2011-04-23 11:25:27 -07:00
Ian Lance Taylor
14531fbaa5 fmt: decrease recursion depth 
This permits the test to run when using gccgo on system
without split-stack support.  See
http://gcc.gnu.org/ml/gcc-patches/2011-04/msg01420.html
http://gcc.gnu.org/PR48553

R=r
CC=golang-dev
https://golang.org/cl/4440062
 2011-04-22 16:59:21 -07:00
Rob Pike
4fe9f57413 fmt: allow %U for unsigned integers. 
Suggested by jan.mercl@nic.cz.

R=rsc, jnml
CC=golang-dev
https://golang.org/cl/4376054
 2011-04-12 11:03:05 -07:00
Russ Cox
db5c5d6fa6 update go tree for reflect changes 
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4353043
 2011-04-08 12:27:58 -04:00
Rob Pike
3907031358 fmt: implement precs for %q. 
Also fix a bug: precision was in terms of bytes; should be runes.
Fixes #1652.

R=rsc, bradfitzgo, r2, bradfitzwork
CC=golang-dev
https://golang.org/cl/4280086
 2011-03-31 14:56:01 -07:00
Russ Cox
b66b22cdd4 fmt: remove uintptrGetter type checks 
This will make the fmt code easier to gofix
when the new reflect interface is ready.

R=r
CC=golang-dev
https://golang.org/cl/4324043
 2011-03-30 22:12:30 -04:00
Rob Pike
7f9acb53cb testing: shorten some more tests 
R=rsc
CC=golang-dev
https://golang.org/cl/4314044
 2011-03-26 11:25:22 -07:00
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
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
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
Robert Hencke
ff3ef8a963 fmt: trivial cleanup 
R=golang-dev, bradfitzgo
CC=golang-dev
https://golang.org/cl/4235052
 2011-03-05 17:55:53 -08:00
Roger Peppe
5bd284e868 fmt: make recursive scan more efficient. 
Detect when scan is being called recursively and
re-use the same scan state.

On my machine, for a recursion-heavy benchmark, this
results in 44x speed up. This does impose a 4% penalty
on the non-recursive case, which can be removed by
heap-allocating the saved state, at 40% performance penalty
on the recursive case. Either way is fine with me.

R=r
CC=golang-dev
https://golang.org/cl/4253049
 2011-03-03 10:43:29 -08:00
Roger Peppe
81bfbe9333 fmt: allow recursive calls to Fscan etc. 
Add a new Read method to ScanState so that it
satisfies the io.Reader interface; rename
Getrune and Ungetrune to ReadRune and UnreadRune.
Make sure ReadRune does not read past width restrictions;
remove now-unnecessary Width method from ScanState.
Also make the documentation a little clearer as to
how ReadRune and UnreadRune are used.

R=r, r2
CC=golang-dev
https://golang.org/cl/4240056
 2011-03-02 10:54:23 -08:00
Rob Pike
a77744f488 fmt: delete debugging print that crept in to test. 
(you'd never see it, but ouch.)
Spotted by Florian Weimer.

R=rsc
CC=golang-dev
https://golang.org/cl/4259044
 2011-03-01 13:39:44 -08:00
Rob Pike
2b9ab22732 fmt: make %#p suppress leading 0x 
Fixes bug 1567.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4245048
 2011-03-01 13:25:52 -08:00
Rob Pike
87fe958a49 fmt: stop giving characters to the Scan method of Scanner 
when we hit a newline during *scanln routines.

Fixes #1490.

R=rsc
CC=golang-dev
https://golang.org/cl/4209042
 2011-02-24 10:14:19 -08:00
Roger Peppe
b935728a17 fmt: fix minor typo 
R=r, r2
CC=golang-dev
https://golang.org/cl/4187041
 2011-02-10 11:01:05 -08:00
Rob Pike
6e615a57af scan: permit base prefixes 0nnn and 0xnn when scanning 
signed or unsigned integers using %v or the formatless scanner.
That is, Sscan("0x11", &i) or Sscanf("0x11", "%v", &i) will now
set i to 17.   If a format other than %v is presented, the behavior
is as before.

Fixes #1469.

R=rsc
CC=golang-dev
https://golang.org/cl/4131042
 2011-02-04 13:14:38 -08:00
Rob Pike
8bf0bc2754 fmt: document %% 
R=rsc, gri
CC=golang-dev
https://golang.org/cl/4130044
 2011-02-03 11:55:33 -08:00
Robert Griesemer
c5fc3b6972 fmt: rename internal interfaces 
readRuner -> runeReader
unreadRuner -> runeUnreader

R=r, rsc
CC=golang-dev
https://golang.org/cl/4000054
 2011-02-02 15:00:14 -08:00
Rob Pike
029bbe18e0 fmt.Scan: scan binary-exponent floating format, 2.4p-3 
R=rsc, rog, r2
CC=golang-dev
https://golang.org/cl/4128049
 2011-02-02 12:38:48 -08:00
Rob Pike
03a93158d2 fmt: document %b for floating point 
R=rsc
CC=golang-dev
https://golang.org/cl/4073051
 2011-02-01 21:10:16 -08:00
Russ Cox
f4e76d8309 replace non-blocking send, receive syntax with select 
R=golang-dev, nigeltao, niemeyer, r
CC=golang-dev
https://golang.org/cl/4079053
 2011-01-31 18:36:28 -05:00
Rob Pike
4e2218968c fmt/doc: define width and precision for strings. 
R=rsc
CC=golang-dev
https://golang.org/cl/4061045
 2011-01-26 11:10:41 -08:00
Russ Cox
f2b5a07453 delete float, complex - code changes 
also:
	cmplx -> complex
	float64(1.0) -> 1.0
	float64(1) -> 1.0

R=gri, r, gri1, r2
CC=golang-dev
https://golang.org/cl/3991043
 2011-01-19 23:09:00 -05:00
Russ Cox
61a4e9812e fmt: document %X of string, []byte 
suggested by Mark Summerfield

R=r
CC=golang-dev
https://golang.org/cl/4018042
 2011-01-19 13:35:45 -05:00
Kyle Consalus
754f0402c3 Made format string handling more efficient. 
R=rsc, r, r2
CC=golang-dev
https://golang.org/cl/3421042
 2011-01-05 11:42:35 -08:00
Rob Pike
c0332fc93f fmt: normalize processing of format string 
The old loop was a bit odd; change it to be more regular.
This also enables a diagnostic for Printf("%", 3): %!(NOVERB)

R=rsc, Kyle C
CC=golang-dev
https://golang.org/cl/3749044
 2011-01-05 10:11:34 -08:00
Rob Pike
1ce6245d6c throughout: fix broken calls to Printf etc. 
I have written a tool to verify Printf calls, and although it's not
ready to be reviewed yet it's already uncovered a spate of problems
in the repository.  I'm sending this CL to break the changes into
pieces; as the tool improves it will find more, I'm sure.

R=rsc
CC=golang-dev
https://golang.org/cl/3427043
 2010-12-07 16:42:54 -05:00
Rob Pike
730e39cd13 fmt: add %U format for standard Unicode representation of integer values. 
fmt.Printf("%U", 1) yields "U+0001"
It's essentially "U+%.4x" but lets you override the precision works in scan, too.

R=rsc
CC=golang-dev
https://golang.org/cl/3423043
 2010-12-06 14:23:37 -05:00
Rob Pike
fdeda13f9e fmt: fix documentation format glitch. no content to change. 
Fixes #1313.

R=gri
CC=golang-dev
https://golang.org/cl/3361041
 2010-11-30 14:28:33 -08:00
Adam Langley
3cb4bdb9ce utf8: make EncodeRune's destination the first argument. 
R=r
CC=golang-dev
https://golang.org/cl/3364041
 2010-11-30 16:59:43 -05:00
Rob Pike
6540c85c7f fmt.Scan: accept Inf and NaN 
Fixes #1308.

R=rsc, r2
CC=golang-dev
https://golang.org/cl/3280045
 2010-11-30 12:59:52 -08:00
Rob Pike
d90d0ede3f fmt: allow "% X" as well as "% x" 
R=rsc, cw, PeterGo
CC=golang-dev
https://golang.org/cl/3319042
 2010-11-29 07:30:36 -08:00
Brad Fitzpatrick
e198a5086a strings: Contains 
Tiny helper to avoid strings.Index(s, sub) != -1

R=rsc, r2, r
CC=golang-dev
https://golang.org/cl/2265044
 2010-11-01 14:32:48 -07:00
Rob Pike
4e9cc085d2 testing: eliminate testing/regexp 
Rather than updating the stripped-down regexp implementation embedded
in testing, delete it by passing the one function we need from the package
main file created by gotest.

R=rsc
CC=golang-dev
https://golang.org/cl/2761043
 2010-10-28 16:54:24 -07:00
Robert Griesemer
3478891d12 gofmt -s -w src misc 
R=r, rsc
CC=golang-dev
https://golang.org/cl/2662041
 2010-10-22 10:06:33 -07:00
Rob Pike
f73f9ad4ad fmt: allow %d on []byte 
Fixes #1159.

R=rsc, adg
CC=golang-dev
https://golang.org/cl/2305043
 2010-10-04 11:57:48 +02:00
Andrew Gerrand
558477eeb1 fmt: add Errorf helper function 
This crops up in a lot of places.
It's just a one-liner, but doesn't add any dependancies.
Seems worth it.

R=r, r2
CC=golang-dev
https://golang.org/cl/2344041
 2010-10-01 14:04:55 +10:00
Russ Cox
2ee420fa5e ... changes 
R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/2273042
 2010-09-24 11:55:48 -04:00
Rob Pike
344600f689 fmt/Printf: document and tweak error messages produced for bad formats 
R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/2198044
 2010-09-24 11:53:26 +10:00
Rob Pike
1959c3ac5b tests: fix prints 
- delete unnecessary newlines
- make sure formatted prints call the formatting routines

R=adg
CC=golang-dev
https://golang.org/cl/2225046
 2010-09-23 13:48:56 +10:00
Anthony Martin
176364900e fmt: support '*' for width or precision 
R=r
CC=golang-dev
https://golang.org/cl/2237044
 2010-09-22 16:10:38 +10:00
Rob Pike
6ee7997366 fmt.Fscan: use UnreadRune to preserve data across calls. 
Fixes #1055.
(About as well as it can be fixed without changing the API.)

R=rsc
CC=golang-dev
https://golang.org/cl/2156047
 2010-09-14 11:06:17 +10:00
Anthony Martin
68cce4ab20 fmt.Scan: fix integer overflow on 32-bit machines 
R=r, rsc
CC=golang-dev
https://golang.org/cl/2144043
 2010-09-06 08:04:53 +10:00
Rob Pike
6405ab0fae fmt: delete erroneous sentence about return value for Sprint*. 
R=rsc
CC=golang-dev
https://golang.org/cl/2160041
 2010-09-04 22:29:10 +10:00