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7969860126
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631 Commits

Author SHA1 Message Date
Rob Pike
7969860126 testing support library 
R=rsc
OCL=19496
CL=19496
 2008-11-18 15:29:10 -08:00
Rob Pike
8b8630c6cf allow files to be named on the command line 
R=rsc
DELTA=3  (1 added, 1 deleted, 1 changed)
OCL=19485
CL=19485
 2008-11-18 14:17:13 -08:00
Rob Pike
d495372509 new gotest shell script (will be a proper command some day, probably) 
automates construction and execution of unit tests.

R=rsc
DELTA=60  (58 added, 0 deleted, 2 changed)
OCL=19482
CL=19484
 2008-11-18 14:12:14 -08:00
Russ Cox
6b7dd4c020 add build step to install debuggers setgid procmod. 
they have to go in /usr/local/bin
because the setgid bit is ignored in /Users.

R=r
DELTA=54  (49 added, 0 deleted, 5 changed)
OCL=19424
CL=19463
 2008-11-18 10:08:46 -08:00
Russ Cox
4656686cf5 use correct lineno in nod even if yacc has looked ahead. 
makes lineno correct for statements without semicolons.

R=ken
OCL=19454
CL=19454
 2008-11-18 09:32:05 -08:00
Russ Cox
ed628ca79b * faster atof for common cases 
(gets 3x speedup in go; got 40x in c)
* handle and test overflow

R=r
DELTA=217  (200 added, 0 deleted, 17 changed)
OCL=19399
CL=19422
 2008-11-17 17:22:51 -08:00
Russ Cox
4d1d5e8a88 work around more commonly-unreachable 6g code sequences. 
R=r
DELTA=23  (23 added, 0 deleted, 0 changed)
OCL=19405
CL=19420
 2008-11-17 17:16:50 -08:00
Russ Cox
3f548cd2d9 add gobuild to build 
R=r
DELTA=2  (0 added, 0 deleted, 2 changed)
OCL=19404
CL=19415
 2008-11-17 16:59:04 -08:00
Russ Cox
a1585b676b fix the easy parts of bug120 
R=r,ken
DELTA=66  (52 added, 3 deleted, 11 changed)
OCL=19386
CL=19389
 2008-11-17 13:58:45 -08:00
Ken Thompson
b7f01f9f41 silence compiler warning 
R=r
OCL=19382
CL=19382
 2008-11-17 12:55:22 -08:00
Russ Cox
079c00a475 correctly rounded floating-point conversions 
in new package strconv.

move atoi etc to strconv too.

update fmt, etc to use strconv.

R=r
DELTA=2232  (1691 added, 424 deleted, 117 changed)
OCL=19286
CL=19380
 2008-11-17 12:34:03 -08:00
Russ Cox
75647d2024 First pieces of malloc. 
R=r
DELTA=756  (754 added, 0 deleted, 2 changed)
OCL=19266
CL=19378
 2008-11-17 12:32:35 -08:00
Russ Cox
5aa7dc5daf adopt suggestions from Bentley and McIlroy (SP&E Nov 1993) 
to make qsort more robust:

	* use "ninther" to choose pivot.
	* use three-way partition to avoid quadratic
 	  behavior on all-one-value arrays.

also add tests suggested in that paper.

the immediate cause of the slowness we observed was
in fact none of these: the recursive call was sorting
data[0:m] instead of data[a:m].

also rename package to "sort" to match convention.

R=r,gri
DELTA=358  (255 added, 21 deleted, 82 changed)
OCL=19341
CL=19373
 2008-11-17 11:51:34 -08:00
Ken Thompson
2567c073ea random permutation function 
func perm(n int) *map[int]int

R=r
OCL=19340
CL=19340
 2008-11-16 13:02:47 -08:00
Russ Cox
9c7b064043 fix bugs in package locals 
R=ken
OCL=19299
CL=19299
 2008-11-14 17:31:29 -08:00
Rob Pike
fd47cb9af5 conflicting scopes should cause error exit 
TBR=rsc
OCL=19297
CL=19297
 2008-11-14 17:28:11 -08:00
Russ Cox
d3f6093931 package-local declarations using keyword "package". 
R=r
DELTA=129  (81 added, 0 deleted, 48 changed)
OCL=19283
CL=19291
 2008-11-14 16:35:08 -08:00
Ken Thompson
e875055461 switch 
R=r
OCL=19288
CL=19288
 2008-11-14 16:24:27 -08:00
Robert Griesemer
23c8faaf85 buf fix: make FD.Read, FD.Write work for empty buffers 
R=r
DELTA=8  (6 added, 0 deleted, 2 changed)
OCL=19273
CL=19275
 2008-11-14 15:13:29 -08:00
Rob Pike
f3e354ec26 clean up make script 
reorder pieces so io is earlier

R=rsc
DELTA=66  (27 added, 24 deleted, 15 changed)
OCL=19248
CL=19255
 2008-11-14 12:53:44 -08:00
Robert Griesemer
0c4c842eb0 - added Init() function so that vectors can be used w/o New(): 
var v Vector.Vector;
  	v.Init();
	...
- clear vector elements in Reset
- removed some comments that seem redundant

R=r
DELTA=16  (9 added, 5 deleted, 2 changed)
OCL=19247
CL=19247
 2008-11-14 11:22:39 -08:00
Russ Cox
f8b20e4083 add cov, prof to default build; clean up compiler warnings 
R=r
DELTA=8  (1 added, 0 deleted, 7 changed)
OCL=19245
CL=19245
 2008-11-14 10:57:48 -08:00
Russ Cox
7832ab5ba0 code coverage tool 
$ 6cov -g 235.go 6.out
	235.go:62,62 main·main 0x27c9-0x2829 MOVL	$main·.stringo(SB),AX
	235.go:30,30 main·main 0x2856-0x285e ADDQ	$6c0,SP
	$

and assorted fixes.

R=r
DELTA=743  (732 added, 8 deleted, 3 changed)
OCL=19226
CL=19243
 2008-11-14 10:45:23 -08:00
Rob Pike
2355395550 handle nils safely 
R=rsc
DELTA=38  (14 added, 10 deleted, 14 changed)
OCL=19242
CL=19242
 2008-11-14 10:42:45 -08:00
Robert Griesemer
3c2f0ae132 * pretty printing snapshot: towards printing comments nicely 
- implemented elastic tabstops algorithm, now correct and documented
- first cut at printing comments (use -comments flag, disabled for now)
- struct field types are now aligned (using elastic tab stops)
- needs more fine-tuning

* fixed a bug in test script
* added quick smoke test to makefile and invoke it in run.bash
  instead of the full test

R=r
OCL=19220
CL=19220
 2008-11-13 17:50:46 -08:00
Rob Pike
e2621b8037 add a %v format to print an arbitrary value in its "println" form. 
also add code to print (pointers to) arrays, through %v.

R=rsc
DELTA=108  (70 added, 33 deleted, 5 changed)
OCL=19184
CL=19192
 2008-11-13 15:20:52 -08:00
Russ Cox
e4f4ab0b8d more array methods 
R=r
OCL=19172
CL=19172
 2008-11-13 13:42:59 -08:00
Russ Cox
c5f21c0dc2 * 6l: 
if an object in an archive tries to refer
	to a file in its original source directory,
	ignore it.

* 6ar:
	fix bug if archive is empty.

* gobuild:
	build archive in current directory.

* math:
	use new gobuild Makefile.

* test/math.go:
	rename to mathest.go, add // run line, make it run.

R=r
DELTA=494  (277 added, 203 deleted, 14 changed)
OCL=19090
CL=19171
 2008-11-13 13:42:26 -08:00
Ken Thompson
9795c9e727 temp fix for map not multiple of 8 
R=r
OCL=19166
CL=19166
 2008-11-13 13:20:18 -08:00
Ken Thompson
bc0b4f0d2a mike's map code 
R=r
OCL=19146
CL=19146
 2008-11-13 10:35:44 -08:00
Rob Pike
419e1e05a1 add some support for modifying what pointers point to 
R=rsc
DELTA=27  (16 added, 11 deleted, 0 changed)
OCL=19130
CL=19132
 2008-11-12 19:05:05 -08:00
Rob Pike
6e70c2c74f fix bug in FullyReader 
R=rsc
DELTA=1  (0 added, 0 deleted, 1 changed)
OCL=19131
CL=19131
 2008-11-12 19:04:56 -08:00
Rob Pike
b1d37b74d9 reflect.PtrValue.SetSub() to set pointers 
R=rsc
OCL=19101
CL=19101
 2008-11-12 14:19:39 -08:00
Rob Pike
2f4d35ffb9 converting uint bits back into floats 
R=rsc
DELTA=32  (32 added, 0 deleted, 0 changed)
OCL=19084
CL=19091
 2008-11-12 11:51:34 -08:00
Robert Griesemer
2727abe4fc - lowercased package name (Bignum -> bignum) 
- implemented some missing functionality (and, or, xor of positive ints)

R=r
OCL=19087
CL=19087
 2008-11-12 11:00:11 -08:00
Ken Thompson
902a4d5f29 6c bug with large constants 
R=r
OCL=19056
CL=19056
 2008-11-11 18:15:36 -08:00
Rob Pike
6ee7fe5808 Implement a "full reader" wrapper for io.Read, guaranteeing that 
either the buffer is full, zero bytes were read, or an error is returned.

R=rsc
DELTA=44  (42 added, 0 deleted, 2 changed)
OCL=19027
CL=19047
 2008-11-11 17:28:36 -08:00
Russ Cox
b682f924d7 don't try interface/structure conversion until 
last resort, because it assumes every call is a
real use of the conversion.

R=ken
OCL=19026
CL=19026
 2008-11-11 15:55:32 -08:00
Russ Cox
792145723e width fixes. 
* check for uncomputed struct offsets
* distinguish function structs from ordinary structs
* make sure function structs are not examined in isolation

R=ken
OCL=19005
CL=19005
 2008-11-11 13:46:55 -08:00
Rob Pike
0e544fa0e3 fix error-handling bug. 
add newline after stack traces.

R=rsc
DELTA=3  (2 added, 1 deleted, 0 changed)
OCL=18945
CL=18953
 2008-11-10 18:13:20 -08:00
Russ Cox
600ee088b6 * accept all NaNs, not just the one sys.NaN() returns. 
* use union, not cast, to convert between uint64 and float64,
  to avoid possible problems with gcc in future.

R=r
DELTA=75  (39 added, 15 deleted, 21 changed)
OCL=18926
CL=18926
 2008-11-10 15:17:56 -08:00
Russ Cox
e8766354a4 handle Inf, NaN in float print 
R=r
DELTA=48  (23 added, 14 deleted, 11 changed)
OCL=18707
CL=18922
 2008-11-10 14:54:10 -08:00
Rob Pike
842e1a9aa7 Add a cache to avoid unnecessary parsing of type strings when constructing values 
R=rsc
DELTA=12  (9 added, 0 deleted, 3 changed)
OCL=18916
CL=18921
 2008-11-10 14:53:40 -08:00
Rob Pike
10137e7f1d fix start/stop bug in prof. 
also only time-limit if a value is provided.

R=rsc
DELTA=9  (4 added, 2 deleted, 3 changed)
OCL=18917
CL=18920
 2008-11-10 14:53:32 -08:00
Rob Pike
091fb779a1 Protocol buffer encoding. 
R=rsc
DELTA=1075  (1028 added, 31 deleted, 16 changed)
OCL=18865
CL=18918
 2008-11-10 14:47:28 -08:00
Robert Griesemer
176e256b26 Added missing Set method for Vector 
BUG=1474670
TBR=r
DELTA=6  (6 added, 0 deleted, 0 changed)
OCL=18839
CL=18843
 2008-11-07 18:31:50 -08:00
Rob Pike
4328d44254 wrong system call number for stat 
TBR=rsc
OCL=18833
CL=18833
 2008-11-07 16:17:42 -08:00
Ken Thompson
79f5697b02 byte multiply 
R=r
OCL=18830
CL=18830
 2008-11-07 16:05:17 -08:00
Ken Thompson
dc78c64f23 byte multiply 
R=r
OCL=18807
CL=18807
 2008-11-07 14:20:32 -08:00
Ken Thompson
9b827cf9a0 bug in select default 
R=r
OCL=18741
CL=18741
 2008-11-06 17:50:28 -08:00