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949 Commits

Author SHA1 Message Date
Russ Cox
ece6a8c549 gc: bug293 
Fixes #846.

R=ken2
CC=golang-dev
https://golang.org/cl/1862042
 2010-07-15 16:14:06 -07:00
Russ Cox
cdb446feb5 gc: bug292 
Fixes #843.

R=ken2
CC=golang-dev
https://golang.org/cl/1729051
 2010-07-15 16:13:47 -07:00
Russ Cox
31c07dfddf gc: issue 901 
Fixes #901.

R=ken2
CC=golang-dev
https://golang.org/cl/1674049
 2010-07-15 15:22:51 -07:00
Russ Cox
08a263a991 gc: bug291 
Fixes #915.

R=ken2
CC=golang-dev
https://golang.org/cl/1856042
 2010-07-15 15:17:42 -07:00
Russ Cox
691d765121 gc: bug274 
R=ken2
CC=golang-dev
https://golang.org/cl/1742044
 2010-07-15 15:05:56 -07:00
Russ Cox
17f90c68c6 gc: fix handling of types inside function bodies 
Fixes #849.
Fixes #920.

R=ken2
CC=golang-dev
https://golang.org/cl/1841042
 2010-07-15 14:25:50 -07:00
Rob Pike
c9f83372d8 add missing argument to usage message. 
Fixes #912.

R=rsc
CC=golang-dev
https://golang.org/cl/1819041
 2010-07-12 16:31:51 -07:00
Russ Cox
81c3e8cabc gc: implement new len spec, range bug fix, optimization 
Fixes #885.

R=ken2
CC=golang-dev
https://golang.org/cl/1680048
 2010-07-01 18:04:25 -07:00
Russ Cox
ed39c764b8 gc: do not crash on bad [...]T 
Fixes #879.

R=ken2
CC=golang-dev
https://golang.org/cl/1678048
 2010-06-30 20:34:31 -07:00
Ken Thompson
2795282b50 compiler fatal error in switch. 
fixes #867.

R=rsc
CC=golang-dev
https://golang.org/cl/1691045
 2010-06-28 16:30:55 -07:00
Ken Thompson
33da9afc3e optimization of static initialization 
R=rsc
CC=golang-dev
https://golang.org/cl/1677049
 2010-06-27 17:37:01 -07:00
Russ Cox
6d8b8101ea gc: fix crash for nested complex division 
R=ken2
CC=golang-dev
https://golang.org/cl/1720043
 2010-06-23 10:55:50 -04:00
Russ Cox
2fc0b4f01b gc: include struct field tags in type equality 
R=ken2
CC=golang-dev
https://golang.org/cl/1667048
 2010-06-21 13:06:39 -07:00
Russ Cox
45bdf0367e reflect: add Kind, remove Int8Type, Int8Value, etc. 
update other code to match.

R=r
CC=golang-dev
https://golang.org/cl/1680044
 2010-06-20 12:16:25 -07:00
Russ Cox
9f002f6892 gc: delete debug print 
R=ken2
CC=golang-dev
https://golang.org/cl/1732043
 2010-06-20 12:15:10 -07:00
Russ Cox
a212d174ac gc: better error messages for interface failures, conversions 
x.go:13: cannot use t (type T) as type Reader in assignment:
	T does not implement Reader (Read method requires pointer receiver)
x.go:19: cannot use q (type Q) as type Reader in assignment:
	Q does not implement Reader (missing Read method)
		have read()
		want Read()
x.go:22: cannot use z (type int) as type Reader in assignment:
	int does not implement Reader (missing Read method)

x.go:24: too many arguments to conversion to complex: complex(1, 3)

R=ken2
CC=golang-dev
https://golang.org/cl/1736041
 2010-06-20 11:45:53 -07:00
Russ Cox
ceb868bf0a gc: fix build - subnode not addable in complexgen 
R=ken2
CC=golang-dev
https://golang.org/cl/1677047
 2010-06-20 11:21:43 -07:00
Russ Cox
d5a80d0ba4 gc: no more ... 
various cleanup, deleting unused code

R=ken2
CC=golang-dev
https://golang.org/cl/1663041
 2010-06-14 11:24:51 -07:00
Russ Cox
76da2780c3 gc: less aggressive name binding, for better line numbers in errors 
Cleans up a few other corner cases too.

R=ken2
CC=golang-dev
https://golang.org/cl/1592045
 2010-06-12 11:17:24 -07:00
Russ Cox
d20ad1c75a gc: change -u to require imports to be marked safe 
R=ken2
CC=golang-dev
https://golang.org/cl/1597043
 2010-06-11 15:28:43 -07:00
Russ Cox
a2a7d473f4 gc: more cleanup 
* disallow surrogate pair runes.
 * diagnose impossible type assertions
 * eliminate another static buffer.
 * do not overflow lexbuf.
 * add -u flag to disable package unsafe.

R=ken2
CC=golang-dev
https://golang.org/cl/1619042
 2010-06-09 11:00:55 -07:00
Russ Cox
565b5dc076 gc: new typechecking rules 
* Code for assignment, conversions now mirrors spec.
* Changed some snprint -> smprint.
* Renamed runtime functions to separate
  interface conversions from type assertions:
  convT2I, assertI2T, etc.
* Correct checking of \U sequences.

Fixes #840.
Fixes #830.
Fixes #778.

R=ken2
CC=golang-dev
https://golang.org/cl/1303042
 2010-06-08 18:50:02 -07:00
Robert Griesemer
98b27814ae gc: better error message when ~ operator is found 
Fixes #844.

R=ken2, rsc, ken3
CC=golang-dev
https://golang.org/cl/1593041
 2010-06-07 18:27:26 -07:00
Robert Griesemer
0c222d6e49 gc: backslash newline is not a legal escape sequence in strings 
Fixes #827.

R=ken2
CC=golang-dev, rsc
https://golang.org/cl/1592041
 2010-06-07 18:10:48 -07:00
Russ Cox
cd016d7558 gc: fix export of complex types 
R=ken2
CC=golang-dev
https://golang.org/cl/1442042
 2010-06-01 14:48:57 -07:00
Russ Cox
ea941f09bf gc: more accurate error description 
R=ken2
CC=golang-dev
https://golang.org/cl/1284041
 2010-05-24 17:07:51 -07:00
Russ Cox
8c2bc4419b gc: fix shift/reduce conflict in go.y export syntax 
Fixes #771.

R=ken2
CC=golang-dev
https://golang.org/cl/1267042
 2010-05-24 16:55:23 -07:00
Russ Cox
2e9b67afa6 gc: bug277 - new conversion syntax 
R=ken2
CC=golang-dev
https://golang.org/cl/1220046
 2010-05-24 15:25:30 -07:00
Russ Cox
43c0a46ac6 gc: bug280 
Fixes #808.

R=ken2
CC=golang-dev
https://golang.org/cl/1273042
 2010-05-24 15:25:09 -07:00
Russ Cox
5e253645d2 gc: bug278 
Fixes #804.

R=ken2
CC=golang-dev
https://golang.org/cl/1224045
 2010-05-24 14:22:54 -07:00
Russ Cox
80ac15ec12 gc: fix unsafe.Sizeof on ideal constants 
R=ken2
CC=golang-dev
https://golang.org/cl/1280041
 2010-05-24 14:18:15 -07:00
Russ Cox
709c5b2481 gc: handle use of builtin function outside function call 
tweaks & tests of last bug fix too.

R=ken2
CC=golang-dev
https://golang.org/cl/1207044
 2010-05-20 22:57:08 -07:00
Russ Cox
b03d7f4d8f gc: line number bug fix 
R=ken2
CC=golang-dev
https://golang.org/cl/1243044
 2010-05-20 22:19:50 -07:00
Ken Thompson
09b2de77b5 fix bug 275 
R=rsc
CC=golang-dev
https://golang.org/cl/1198046
 2010-05-20 20:56:28 -07:00
Russ Cox
9e497c3656 gc: disallow · in Go programs 
Fixes #793.

R=ken2
CC=golang-dev
https://golang.org/cl/1249043
 2010-05-20 17:34:22 -07:00
Ken Thompson
b0283611e4 fix issue 798 
cannot allocate an audomatic temp
while real registers are allocated.
there is a chance that the automatic
will be allocated to one of the
allocated registers. the fix is to
not registerize such variables.

R=rsc
CC=golang-dev
https://golang.org/cl/1202042
 2010-05-20 17:31:28 -07:00
Evan Shaw
d2aa74118c gc: Better error when computing remainder of non-int 
Previously the compiler would just emit "internal compiler error" when
trying to compute the remainder of floats or complex types.

R=rsc
CC=golang-dev
https://golang.org/cl/1243041
 2010-05-18 22:41:12 -07:00
Russ Cox
6dbba67214 gc: distinguish array, slice literal in error messages 
R=ken2
CC=golang-dev
https://golang.org/cl/1138041
 2010-05-06 09:34:12 -07:00
Ken Thompson
a3a0a5fdc3 allow data statements for simple 
external variable assignements.

R=rsc
CC=golang-dev
https://golang.org/cl/1094041
 2010-05-03 22:51:30 -07:00
Russ Cox
32df678894 gc: bug264 
Fixes #692.

R=ken2
CC=golang-dev
https://golang.org/cl/1092041
 2010-05-03 17:51:48 -07:00
Russ Cox
b5f54db359 gc: bug267 
R=ken2
CC=golang-dev
https://golang.org/cl/1067042
 2010-05-03 15:29:59 -07:00
Russ Cox
371b77ad20 gc: error for nested functions, one semicolon problem 
R=ken2
CC=golang-dev
https://golang.org/cl/1046042
 2010-05-03 15:02:32 -07:00
Russ Cox
6361f52fc4 gc: be pickier about slice, chan, array, and map sizes 
Fixes #589.

R=ken2
CC=golang-dev
https://golang.org/cl/1032044
 2010-05-01 13:15:42 -07:00
Russ Cox
253fd30e66 gc: bug271 
Fixes #662.

R=ken2
CC=golang-dev
https://golang.org/cl/978043
 2010-04-30 13:27:08 -07:00
Russ Cox
560283c880 gc: bug270 
Fixes #746.

R=ken2
CC=golang-dev
https://golang.org/cl/1040042
 2010-04-30 13:04:16 -07:00
Russ Cox
77817e08d5 gc: never include ( ) on singleton func return type 
Fixes #749.

R=ken2
CC=golang-dev
https://golang.org/cl/963043
 2010-04-29 16:07:14 -07:00
Russ Cox
10eb76b04e gc: bug268 
Fixes #745.

R=ken2
CC=golang-dev
https://golang.org/cl/1008045
 2010-04-29 15:52:27 -07:00
Russ Cox
69a2e1dc52 gc: better windows detection 
R=ken2
CC=golang-dev
https://golang.org/cl/944043
 2010-04-27 17:19:15 -07:00
Russ Cox
3bcef5ac30 gc: fix islocalname on windows 
Fixes #732.

R=ken2
CC=golang-dev
https://golang.org/cl/956050
 2010-04-27 13:52:43 -07:00
Russ Cox
d6e4e18c8c gc: more specific error for statements at top level 
R=ken2, r, ken3
CC=golang-dev
https://golang.org/cl/1006041
 2010-04-26 22:35:27 -07:00
Russ Cox
4ba177ae36 gc: print x[y:] correctly 
R=ken2
CC=golang-dev
https://golang.org/cl/955041
 2010-04-20 17:39:31 -07:00
Russ Cox
d97bbabbaa gc: cmplx typecheck bug fix 
Fixes #729.

R=ken2
CC=golang-dev
https://golang.org/cl/875048
 2010-04-19 09:21:51 -07:00
Russ Cox
d9254d00f9 gc: zero unnamed return values on entry if func has defer 
R=ken2
CC=golang-dev
https://golang.org/cl/891050
 2010-04-12 14:28:27 -07:00
Russ Cox
c9293f0cc7 gc: compile s == "" as len(s) == 0 
R=ken2
CC=golang-dev
https://golang.org/cl/840043
 2010-04-11 15:24:44 -07:00
Russ Cox
9475cafa73 gc: distinguish fatal compiler bug from error+exit 
R=ken2
CC=golang-dev
https://golang.org/cl/902044
 2010-04-11 14:52:06 -07:00
Russ Cox
fe7826858c gc: make sure main.main has correct type 
R=ken2
CC=golang-dev
https://golang.org/cl/883049
 2010-04-11 14:51:35 -07:00
Russ Cox
2379fdec04 gc: good syntax error for defer func() {} - missing final () 
R=ken2
CC=golang-dev
https://golang.org/cl/855044
 2010-04-04 23:27:26 -07:00
Russ Cox
f75d0d224f runtime: turn run time errors checks into panics 
R=ken2, r
CC=golang-dev
https://golang.org/cl/871042
 2010-04-01 22:31:27 -07:00
Russ Cox
5d230418c7 gc: fix alignment on non-amd64 
R=ken2
CC=golang-dev
https://golang.org/cl/870041
 2010-03-31 16:04:03 -07:00
Russ Cox
9b1507b050 gc: implement panic and recover 
R=ken2, r, ken3
CC=golang-dev
https://golang.org/cl/831042
 2010-03-31 11:46:01 -07:00
Russ Cox
01eaf780a8 gc: add panic and recover (still unimplemented in runtime) 
main semantic change is to enforce single argument to panic.

runtime: change to 1-argument panic.
use String method on argument if it has one.

R=ken2, r
CC=golang-dev
https://golang.org/cl/812043
 2010-03-30 10:53:16 -07:00
Russ Cox
5d0ec6c076 gc: flush warnings, if any 
R=ken2
CC=golang-dev
https://golang.org/cl/811042
 2010-03-29 23:34:59 -07:00
Russ Cox
3908c16ffe gc: bug265 
Fixes #700.

R=ken2
CC=golang-dev
https://golang.org/cl/839041
 2010-03-29 15:27:59 -07:00
Russ Cox
97d0e8fe6c gc: allow taking address of out parameters 
Fixes #186.

R=ken2
CC=golang-dev
https://golang.org/cl/793041
 2010-03-26 18:01:02 -07:00
Russ Cox
78c27ed650 gc: more syntax errors 
R=r
CC=golang-dev
https://golang.org/cl/731041
 2010-03-25 12:47:43 -07:00
Ken Thompson
623dfd1b07 depricate panicln 
R=rsc
CC=golang-dev
https://golang.org/cl/743041
 2010-03-24 16:53:54 -07:00
Russ Cox
eaf45f2d56 gc: fix build in France 
Fixes #626.

R=ken2
CC=golang-dev
https://golang.org/cl/714041
 2010-03-23 18:11:21 -07:00
Russ Cox
4408659e81 gc: various map-related bug fixes 
Fixes #687.

R=ken2
CC=golang-dev
https://golang.org/cl/680042
 2010-03-22 18:51:14 -07:00
Ken Thompson
8021296179 issue 682 
complex DATA statement fo
initialization of complex variables.

R=rsc
CC=golang-dev
https://golang.org/cl/634045
 2010-03-20 18:50:01 -07:00
Ken Thompson
2edb02b41e 1. decommit complex(float) conversion 
2. add complex algorithm for map/chan
3. test for use of complex in
   array, slice, field, chan, map,
   field, pointer.

R=rsc
CC=golang-dev
https://golang.org/cl/384041
 2010-03-09 17:51:30 -08:00
Russ Cox
529369e452 gc: remove duplicate errors, give better error for I.(T) 
R=ken2
CC=golang-dev
https://golang.org/cl/370041
 2010-03-09 15:09:37 -08:00
Ken Thompson
38ad41c317 fix bugs compiling things like 
c = cmplx(imag(c), real(c))
without a temporary

R=rsc
CC=golang-dev
https://golang.org/cl/360043
 2010-03-09 13:39:45 -08:00
Ken Thompson
f229c8b546 identical complex implementation 
for 6g and 8g. can also be used
for 5g. 5g is still a stub.

R=rsc
CC=golang-dev
https://golang.org/cl/362041
 2010-03-09 12:49:24 -08:00
Dean Prichard
f015c53ada gc: avoid fixed length buffer cleanbuf 
R=rsc
CC=golang-dev
https://golang.org/cl/302042
 2010-03-08 17:00:14 -08:00
Russ Cox
4ac011a011 gc: simplify complex typecheck 
do not convert to float prematurely.

R=ken2
CC=golang-dev
https://golang.org/cl/311041
 2010-03-08 15:44:18 -08:00
Russ Cox
4f89dcdf99 5g/6g/8g: fix double function call in slice 
Fixes #654.

R=ken2
CC=golang-dev
https://golang.org/cl/310041
 2010-03-08 14:19:28 -08:00
Ken Thompson
426099f42e 6g complex type usable 
8g and 5g have stubs to ignore complex

R=rsc
CC=golang-dev
https://golang.org/cl/257042
 2010-03-05 20:16:04 -08:00
Russ Cox
a9b9afa930 gc: fix crash on complicated arg to make slice. 
Fixes #615.

R=ken2
CC=golang-dev
https://golang.org/cl/255043
 2010-03-05 19:29:14 -08:00
Russ Cox
ac499ed7a5 gc: better compilation of floating point += 
R=ken2
CC=golang-dev
https://golang.org/cl/255042
 2010-03-05 15:35:09 -08:00
Russ Cox
f1550482fa gc: fix imported and not used message - show path 
R=ken2
CC=golang-dev
https://golang.org/cl/229046
 2010-03-03 17:23:47 -08:00
Ken Thompson
7d4b1e4c0d more on type complex. 
getting close.

R=rsc
CC=golang-dev
https://golang.org/cl/224105
 2010-03-02 18:32:11 -08:00
Russ Cox
3910161307 gc: implement []int(string) and []byte(string) 
R=ken2
CC=golang-dev
https://golang.org/cl/224060
 2010-02-25 15:11:07 -08:00
Russ Cox
ed13d39972 gc: minor const simplifications 
R=ken2
CC=golang-dev
https://golang.org/cl/217069
 2010-02-21 11:18:09 -08:00
Ken Thompson
f59cb49a5a fixed bug in mpconst float multiply by 0. 
more complex -- constants, variables and print.

R=rsc
CC=golang-dev
https://golang.org/cl/217061
 2010-02-19 20:42:50 -08:00
Russ Cox
80a14df122 gc: double-initialization 
R=ken2
CC=golang-dev
https://golang.org/cl/217044
 2010-02-18 23:33:57 -08:00
Russ Cox
4589c34580 gc: fix this morning's bug fix 
R=ken2
CC=golang-dev
https://golang.org/cl/216043
 2010-02-18 18:31:13 -08:00
Ken Thompson
fc010adcd7 complex constant multiply and divide 
R=rsc
CC=golang-dev
https://golang.org/cl/217041
 2010-02-18 17:55:11 -08:00
Ken Thompson
713e3e1541 more complex - constants 
import and export

R=rsc
CC=golang-dev
https://golang.org/cl/214050
 2010-02-18 14:46:28 -08:00
Russ Cox
1734cb02e7 gc: recursive interface embedding 
Fixes #287.

R=ken2
CC=golang-dev
https://golang.org/cl/215048
 2010-02-18 11:15:36 -08:00
Ken Thompson
33d6a260c1 new types complex, complex64 and complex128 
only front-end compiler work.
best to do thin in 3 steps
1. frontend
2. backend
3. lib

R=rsc
CC=golang-dev
https://golang.org/cl/214042
 2010-02-17 22:08:30 -08:00
Russ Cox
7b5789b584 gc: undo attempt at fixing recursive interface embedding 
Fixes #582.

Update #287
Status: Accepted
Bug fix was too intrusive; undo and reopen issue.

R=ken2
CC=golang-dev
https://golang.org/cl/209044
 2010-02-16 17:44:15 -08:00
Russ Cox
401062f720 gc: fix build (signed char bug) 
R=ken2
CC=golang-dev
https://golang.org/cl/210043
 2010-02-16 17:30:33 -08:00
Russ Cox
cfff862862 gc: disallow NUL byte, catch more invalid UTF-8, test 
R=ken2, ken3
CC=golang-dev
https://golang.org/cl/209041
 2010-02-16 16:47:39 -08:00
Russ Cox
e7fc5c2789 gc: test & fix handling of very long string constants 
R=ken2
CC=golang-dev
https://golang.org/cl/207106
 2010-02-16 10:16:24 -08:00
Russ Cox
5ab8f00bf8 gc: diagnose invalid array bounds 
Fixes #587.

R=ken2
CC=golang-dev
https://golang.org/cl/207085
 2010-02-12 13:59:02 -08:00
Russ Cox
1ca39fb1fd gc: fix mkopnames and color grep interaction 
Fixes #406.

R=adg
CC=golang-dev
https://golang.org/cl/207053
 2010-02-10 00:44:43 -08:00
Russ Cox
9e2c9bb0ca gc: fix method expression bug 
R=ken2
CC=golang-dev
https://golang.org/cl/206043
 2010-02-08 21:40:35 -08:00
Andrew Gerrand
b4fb00b69b *l/*c: add -V flag to display version number 
R=rsc
CC=golang-dev
https://golang.org/cl/204044
 2010-02-08 09:46:53 -08:00
Ken Thompson
ce85868a00 bug in const float divide 
R=rsc
CC=golang-dev
https://golang.org/cl/204042
 2010-02-05 15:18:32 -08:00
Russ Cox
8bef7fdc39 bug252: make ... vs ...T crossing an error, at least for now 
R=r
CC=golang-dev
https://golang.org/cl/199066
 2010-02-02 15:00:13 -08:00
Russ Cox
44898c7b76 gc: bug250, bug251 - recursive interface types 
Fixes #287.

R=ken2
CC=golang-dev
https://golang.org/cl/199057
 2010-02-01 23:58:49 -08:00
Russ Cox
674458e1c4 gc: bug246 
R=ken2
CC=golang-dev
https://golang.org/cl/198057
 2010-02-01 23:05:15 -08:00
Russ Cox
0bd41e2ff0 gc: bug242 
R=ken2
CC=golang-dev
https://golang.org/cl/198053
 2010-02-01 22:18:51 -08:00
Russ Cox
45515011cc gc: final ...T bug for the day 
R=ken2
CC=golang-dev
https://golang.org/cl/199046
 2010-02-01 16:22:16 -08:00
Russ Cox
bea730d1f9 gc: ... T corner cases 
more to come, but should suffice for Printf work.

R=ken2
CC=golang-dev
https://golang.org/cl/197044
 2010-02-01 10:49:24 -08:00
Russ Cox
68796b0270 gc: add ... T, rework plain ... 
No longer a distinct type; now a property of func types.

R=ken2
CC=golang-dev
https://golang.org/cl/197042
 2010-02-01 00:25:59 -08:00
Russ Cox
288c1c83d9 gc: tweak error messages, avoid internalization settings in bison 
R=r
CC=golang-dev
https://golang.org/cl/194129
 2010-01-28 15:57:44 -08:00
Russ Cox
a186b77b03 gc: implement defer print/println/panic/panicln 
Fixes #219.

R=ken2, r
CC=golang-dev
https://golang.org/cl/194097
 2010-01-27 15:37:08 -08:00
Russ Cox
2a01d72878 gc: improved syntax errors 
* example-based syntax errors (go.errors)

* enable bison's more specific errors
  and translate grammar token names into
  tokens like ++

* test cases

R=ken2, r, ken3
CC=golang-dev
https://golang.org/cl/194085
 2010-01-26 23:13:22 -08:00
Russ Cox
5f4c052e2d gc: do not treat .6 different from .a anymore 
R=ken2
CC=golang-dev
https://golang.org/cl/195050
 2010-01-26 16:12:50 -08:00
Russ Cox
7abb4b3a96 gc: fix chan <- chan precedence. 
also allow func() func().

R=ken2
CC=golang-dev
https://golang.org/cl/194078
 2010-01-26 10:40:28 -08:00
Russ Cox
531e6b77c8 eliminate package global name space 
R=ken2
CC=golang-dev
https://golang.org/cl/194071
 2010-01-25 18:31:35 -08:00
Russ Cox
1912632019 runtime, type switch: eliminate package global name space assumption 
bonus: type switch now detects multiple uses of identical interface types.
bonus: interface types are now order-independent, following the spec.

R=ken2
CC=golang-dev
https://golang.org/cl/194053
 2010-01-25 18:23:20 -08:00
Russ Cox
1cecac8134 gc: record full package paths in runtime type data 
detect compilation of special package runtime with
compiler flag instead of package name.

R=ken2
CC=golang-dev
https://golang.org/cl/193080
 2010-01-24 23:33:59 -08:00
Russ Cox
d1b14a6fb0 gc: bug247, reported by rob 
R=ken2
CC=golang-dev
https://golang.org/cl/194051
 2010-01-24 22:42:18 -08:00
Russ Cox
fd150e77e1 gc: cut some dead code, fix 6g -S output 
R=ken2
CC=golang-dev
https://golang.org/cl/193079
 2010-01-24 22:36:26 -08:00
Russ Cox
758f2bc556 eliminate the package global name space assumption in object files 
5g/6g/8g: add import statements to export metadata, mapping package path to package name.
	recognize "" as the path of the package in export metadata.
	use "" as the path of the package in object symbol names.

5c/6c/8c, 5a/6a/8a: rewrite leading . to "". so that ·Sin means Sin in this package.

5l/6l/8l: rewrite "" in symbol names as object files are read.

gotest: handle new symbol names.

gopack: handle new import lines in export metadata.

Collectively, these changes eliminate the assumption of a global
name space in the object file formats.  Higher level pieces such as
reflect and the computation of type hashes still depend on the
assumption; we're not done yet.

R=ken2, r, ken3
CC=golang-dev
https://golang.org/cl/186263
 2010-01-22 17:06:20 -08:00
Russ Cox
ce7f345cd1 gc: do not build builtin.c automatically; use golden copy instead. 
R=r
CC=golang-dev
https://golang.org/cl/190104
 2010-01-22 16:58:33 -08:00
Russ Cox
a6736fa4ff cleanup toward eliminating package global name space 
* switch to real dot (.) instead of center dot (·) everywhere in object files.
    before it was half and half depending on where in the name it appeared.
  * in 6c/6a/etc identifiers, · can still be used but turns into . immediately.
  * in export metadata, replace package identifiers with quoted strings
    (still package names, not paths).

R=ken2, r
CC=golang-dev
https://golang.org/cl/190076
 2010-01-19 21:34:44 -08:00
Russ Cox
fe01d4c8a1 gc: const debug bool = false 
R=ken2
CC=golang-dev
https://golang.org/cl/186232
 2010-01-19 15:25:44 -08:00
Russ Cox
4f8117d9eb build: move GOOS, GOARCH, GOROOT lookup into central library. 
bake default values in during build.

R=r
CC=golang-dev
https://golang.org/cl/186173
 2010-01-18 21:46:46 -08:00
Russ Cox
ff6e310b00 gc: bug245 
Fixes #529.

R=ken2
CC=golang-dev
https://golang.org/cl/186215
 2010-01-18 17:30:15 -08:00
Russ Cox
8e996304f3 gc: multiple return value at top-level invoked multiple times 
Fixes #402.

R=ken2
CC=golang-dev
https://golang.org/cl/186214
 2010-01-18 17:00:38 -08:00
Russ Cox
e0059ae811 gc: bug243 
Fixes #481.

R=ken2
CC=golang-dev
https://golang.org/cl/186213
 2010-01-18 16:52:18 -08:00
Russ Cox
5a5799f613 gc: more precise handling of import . 
Fixes #455.

R=ken2
CC=golang-dev
https://golang.org/cl/186212
 2010-01-18 16:26:40 -08:00
Russ Cox
07fc145744 gc: be more specific about copy type errors 
Fixes #539.

R=ken2
CC=golang-dev
https://golang.org/cl/190043
 2010-01-18 16:00:13 -08:00
Rob Pike
ccbcefe2b6 ignore $GOARCH inside the compiler and linker. 
by definition, they know what they are building for.
makes it easier to switch architectures when testing.

% 6g x.go
% 6l x.6
% 6.out
"Wed Jan 13 10:57:46 EST 2010"
% 8g x.go
% 8l x.8
% 8.out
"Wed Jan 13 10:57:46 EST 2010"
% echo $GOARCH

%

R=rsc
CC=golang-dev
https://golang.org/cl/186116
 2010-01-13 14:39:16 +11:00
Yongjian Xu
d668d4fbbd gc: clean opnames.h 
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/181186
 2010-01-11 13:03:01 -08:00
Russ Cox
307a899d5b gc: bug238 
Fixes #471.

R=ken2
CC=golang-dev
https://golang.org/cl/181184
 2010-01-08 00:01:03 -08:00
Russ Cox
1b1f39eb86 gc: bug219, bug239, bug240 
Fixes #475.

R=ken2
CC=golang-dev
https://golang.org/cl/183157
 2010-01-07 23:24:48 -08:00
Russ Cox
c6f4d68667 gc: bug241 
Fixes #495.

R=ken2
CC=golang-dev
https://golang.org/cl/183156
 2010-01-07 23:20:00 -08:00
Russ Cox
5f132b93eb gc: various C nits, found by plan 9 compiler. 
reported by erik quanstrom.

R=ken2
https://golang.org/cl/181071
 2009-12-27 09:32:30 -08:00
Russ Cox
0d668259dc gc: method expressions on concrete types 
R=ken2
https://golang.org/cl/180092
 2009-12-18 17:24:58 -08:00
Russ Cox
6a4b2492b3 gc: fix compiler crash 
R=ken2
CC=dho
https://golang.org/cl/179097
 2009-12-17 15:08:55 -08:00
Russ Cox
c715b58dad gc: fix import name resolution 
Fixes #403.

R=ken2
https://golang.org/cl/180052
 2009-12-15 16:44:28 -08:00
Russ Cox
5d754bfaea gc: bug fixes. 
* better error for lookup of unexported field
  * do not assign "ideal string" type to typed string literal
  * do not confuse methods and fields during interface check

Fixes #410.
Fixes #411.
Fixes #426.

R=ken2
https://golang.org/cl/179069
 2009-12-15 16:22:04 -08:00
Russ Cox
101f499fa5 gc: allow ... in method lists 
R=ken2
https://golang.org/cl/179070
 2009-12-15 16:20:37 -08:00
Robert Griesemer
5a1d3323fe 1) Change default gofmt default settings for 
parsing and printing to new syntax.

                  Use -oldparser to parse the old syntax,
                  use -oldprinter to print the old syntax.

               2) Change default gofmt formatting settings
                  to use tabs for indentation only and to use
                  spaces for alignment. This will make the code
                  alignment insensitive to an editor's tabwidth.

                  Use -spaces=false to use tabs for alignment.

               3) Manually changed src/exp/parser/parser_test.go
                  so that it doesn't try to parse the parser's
                  source files using the old syntax (they have
                  new syntax now).

               4) gofmt -w src misc test/bench

	       1st set of files.

R=rsc
CC=agl, golang-dev, iant, ken2, r
https://golang.org/cl/180047
 2009-12-15 15:33:31 -08:00
Russ Cox
d122bb2193 gc: double-check usage of ... 
Fixes #423.

R=ken2
https://golang.org/cl/180045
 2009-12-15 14:26:50 -08:00
Russ Cox
0282cc5e74 gc: var x, ok = m[y] 
Fixes #384.

R=ken2
https://golang.org/cl/179061
 2009-12-15 14:26:33 -08:00
Russ Cox
978c3e96d1 gc: fix comment 
R=gri
CC=golang-dev
https://golang.org/cl/174077
 2009-12-13 12:11:56 -08:00
Russ Cox
3997495dc3 gc: semicolons 
Fixes #89.
Fixes #92.
Fixes #118.
Fixes #182.
Fixes #328.
Fixes #340.

R=ken2, ken3
CC=golang-dev
https://golang.org/cl/172049
 2009-12-11 15:59:41 -08:00
Ken Thompson
cd00bc78da bug in 6g optimizer 
8g still needs fixing

R=rsc
https://golang.org/cl/176057
 2009-12-11 15:55:09 -08:00
Devon H. O'Dell
857d4cf1a9 Remove GOBIN in PATH dependency; don't assume cwd is $GOROOT/src 
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
https://golang.org/cl/171044
 2009-12-11 15:14:09 -08:00
Yongjian Xu
8b3b1edc04 mkbuiltin: generate builtin.c directly 
R=golang-dev, rsc
https://golang.org/cl/173041
 2009-12-11 12:41:33 -08:00
Russ Cox
33649bd278 runtime: introduce unsafe.New and unsafe.NewArray 
to provide functionality previously hacked in to
    reflect and gob.

R=r
https://golang.org/cl/165076
 2009-12-07 15:51:58 -08:00
Russ Cox
864c757a1c gc/runtime: pass type structure to makeslice. 
* 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
https://golang.org/cl/165064
 2009-12-04 21:44:05 -08:00
Russ Cox
6f14cada11 gc: walk pointer in range on slice/array 
R=ken2
https://golang.org/cl/166071
 2009-12-04 20:40:21 -08:00
Russ Cox
9da6666a8a gc: check for assignment to private fields during initialization 
R=ken2
https://golang.org/cl/165055
 2009-12-03 22:09:58 -08:00
Christopher Wedgwood
7e7008fa5e gc: Allow allow data types up to 1GB 
R=rsc
https://golang.org/cl/164095
 2009-12-03 12:46:34 -08:00