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b3533dfd72
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134 Commits

Author SHA1 Message Date
Russ Cox
b3533dfd72 6g: 
new type equality restrictions
	better handling of renamed packages
	"sys" is no longer available to programs

R=ken
OCL=28553
CL=28578
 2009-05-08 15:40:31 -07:00
Russ Cox
d4fa253837 eqtype(t1, t2, 0) => eqtype(t1, t2) 
R=ken
OCL=28559
CL=28562
 2009-05-08 14:40:38 -07:00
Russ Cox
401a95aa83 if a struct s contains an anonymous interface value 
with method m, s.m() is ok and m now shows up
in s's method set for interface runtime.

see http://cl/28419-p2 for new test interface10.go.

R=ken
OCL=28420
CL=28423
 2009-05-07 13:42:47 -07:00
Russ Cox
a6ba5ec535 6g: new interface rules (code got simpler!) 
R=ken
OCL=28374
CL=28378
 2009-05-06 17:05:35 -07:00
Russ Cox
935953a9f8 tweak interface warning heuristic. 
some day i will fix this for real.

R=ken
OCL=27468
CL=27468
 2009-04-14 19:57:27 -07:00
Ken Thompson
3657061550 change representation of strings 
R=r
OCL=27293
CL=27293
 2009-04-09 18:16:21 -07:00
Russ Cox
f95da9a639 yet another attempt at auto-linking 
store only the original import path string (+ .a)
if 6g resolves it to an archive file.
let 6l re-resolve the .a at link time.

this lets libraries build against an archive
in the current directory but get used
against an installed archive.

R=r
OCL=27244
CL=27244
 2009-04-08 22:45:33 -07:00
Russ Cox
07687705a4 type n t; 
was copying a bit too much about t into n,
like whether the signature was queued to be printed.
(bug reported by anton)

was also editing t, meaning you could do
	type T int;
	func (p int) Meth() { }

both fixed.

R=ken
OCL=27052
CL=27052
 2009-04-02 21:38:11 -07:00
Russ Cox
58f5f4f18d use separate lex buf for better errors: 
package main
func main() { func(){}() + + }

x.go:2: syntax error near _f001

becomes

x.go:2: syntax error near func

R=ken
OCL=27047
CL=27047
 2009-04-02 17:59:09 -07:00
Russ Cox
5e792b6c09 move portable object routines (especially 
signature generation) into gc.

R=ken
OCL=26933
CL=26933
 2009-03-30 21:31:29 -07:00
Russ Cox
d30285a6f5 move some portable pieces of 6g/gsubr.c into gc/subr.c 
int	brcom(int);
	int	brrev(int);
	void	setmaxarg(Type*);
	Sig*	lsort(Sig*, int(*)(Sig*, Sig*));
	int	dotoffset(Node*, int*, Node**);
	void	stringpool(Node*);
	void	tempname(Node*, Type*);

R=ken
OCL=26922
CL=26922
 2009-03-30 17:52:21 -07:00
Russ Cox
5a68303a15 throw away most of the compat.h compatibility layer 
in favor of the lib9 compatibility layer.  no need for two.

now that mycreate is gone, .6 files are 0644 not 0755.

TBR=r
OCL=26679
CL=26679
 2009-03-24 12:12:57 -07:00
Ken Thompson
0f469a99a3 binary search on type switches. 
new feature 'case nil:' in type switch
will match iff the interface is nil.

R=r
OCL=26404
CL=26404
 2009-03-17 13:58:38 -07:00
Ken Thompson
5136a9e1f7 change format of Sigt and Sigi 
to allow room for type hash
needed for log-time type switch.

R=r
OCL=26354
CL=26354
 2009-03-16 15:27:08 -07:00
Russ Cox
8f194bf5ff make 6g constants behave as ken proposes. (i hope.) 
various bug fixes and tests involving constants.

test/const1.go is the major new test case.

R=ken
OCL=26216
CL=26224
 2009-03-12 19:04:38 -07:00
Ken Thompson
6eb54cb05b chan flags close/closed installed 
runtime not finished.

R=r
OCL=26217
CL=26217
 2009-03-12 17:55:11 -07:00
Ken Thompson
bb02e481d2 added bitclear operators &^ and &^= 
R=r
OCL=26152
CL=26152
 2009-03-11 19:59:35 -07:00
Russ Cox
4eb7ceba58 complain when trying to put T into an interface 
if T has pointer methods.  this is just a heuristic
but it catches the problem robert ran into and
lets me put the larger interface issues aside for
now.  found one bug in pretty.

R=ken
OCL=26141
CL=26141
 2009-03-11 16:06:17 -07:00
Ken Thompson
a4a10ed856 1. type switches 
2. fixed fault on bug128
3. got rid of typeof
4. fixed bug in t,ok = I2T

R=r
OCL=25873
CL=25873
 2009-03-06 17:50:43 -08:00
Ken Thompson
bf983477a2 new switch implementation 
in preparation of type switch.
no functional change (yet).

R=r
OCL=25784
CL=25788
 2009-03-05 15:49:34 -08:00
Russ Cox
98b34e5bbd reject invalid map key types at compile time 
R=ken
OCL=25720
CL=25720
 2009-03-04 17:38:37 -08:00
Russ Cox
49cc649e59 back to T{x}, stricter handling of T(x) vs x.(T) 
R=ken
DELTA=131  (60 added, 41 deleted, 30 changed)
OCL=25617
CL=25633
 2009-03-03 08:41:02 -08:00
Russ Cox
07244f7c80 add composite literal ( ) syntax. 
warn about composite literal { } syntax.

R=ken
OCL=25018
CL=25023
 2009-02-13 14:48:16 -08:00
Russ Cox
5f4f5647ef require type assertions when narrowing. 
R=ken
OCL=24350
CL=24914
 2009-02-11 17:57:29 -08:00
Russ Cox
0970c46863 closures - 6g support 
R=ken
OCL=24501
CL=24566
 2009-02-06 13:47:10 -08:00
Russ Cox
b0009bef20 bug064 
make f(g()) work when g returns multiple
args with names different than f expects.

func swap(a, b int) (c, d int) {
	return b, a
}

swap(swap(1,2))

R=ken
OCL=24474
CL=24476
 2009-02-05 15:22:49 -08:00
Russ Cox
5e2c05877d allow methods on funcs. 
R=ken
OCL=24442
CL=24442
 2009-02-05 13:33:07 -08:00
Russ Cox
360f0aacee fix interface not satisifed message: 
x.go:13: T is not I - missing M()

NOT
x.go:13: T is not I - missing Mfunc()

R=ken
OCL=24316
CL=24316
 2009-02-04 10:37:11 -08:00
Russ Cox
4a43198390 update compiler to new func rules 
R=ken
OCL=23958
CL=23961
 2009-01-30 14:39:42 -08:00
Russ Cox
391425ae55 if take address of local, move to heap. 
heuristic to not print bogus strings.
fix one error message format.

R=ken
OCL=23849
CL=23851
 2009-01-29 17:38:58 -08:00
Russ Cox
282bf8cc8c fix possible infinite recursion in eqtype. 
don't use intermediate register to move
32-or-fewer-bit immediate constants
into memory.

R=ken
OCL=23726
CL=23726
 2009-01-28 16:42:26 -08:00
Russ Cox
743ac07cc3 change dotdotdot interfaces to be structs, 
not pointers to structs.

fix defered dotdotdot.

R=r,ken
DELTA=25  (7 added, 5 deleted, 13 changed)
OCL=23620
CL=23625
 2009-01-27 15:05:25 -08:00
Ken Thompson
1e1cc4eb57 defer 
R=r
OCL=23592
CL=23592
 2009-01-27 12:03:53 -08:00
Russ Cox
a7f6d4066e implement new restrictions on what 
can be compared/hashed.

R=r
DELTA=351  (201 added, 80 deleted, 70 changed)
OCL=23423
CL=23481
 2009-01-26 09:56:42 -08:00
Russ Cox
61590c4c44 disallow P.t for lowercase t and not our package P. 
implement hiding lowercase methods m in
signatures by adding in a hash of the package name
to the type hash code.

remove remaining checks for internally-generated _ names:
they are all gone.

R=ken
OCL=23236
CL=23238
 2009-01-21 14:51:57 -08:00
Russ Cox
35e37bbf41 6g: better genembedtramp fatal error, 
and don't put inaccessible private methods
   in signature.

R=ken
OCL=23138
CL=23140
 2009-01-20 15:36:57 -08:00
Russ Cox
ae167bf08f clean up automatic indirect, delete some dead code. 
R=ken
OCL=22454
CL=22457
 2009-01-09 15:21:41 -08:00
Russ Cox
316d377ac2 now that TCHAN, TMAP, and TSTRING are real types, 
can do methods on them without pointer worries.

R=ken
OCL=22434
CL=22436
 2009-01-09 13:50:58 -08:00
Russ Cox
a91af04c06 6g cleanup suggested by ken. 
remove TPTR wrapper around TMAP, TCHAN, TSTRING.

R=ken
OCL=22406
CL=22409
 2009-01-09 11:13:39 -08:00
Russ Cox
e512481b17 second pass on interface fixes and tests. 
R=ken
OCL=22370
CL=22372
 2009-01-08 18:06:06 -08:00
Russ Cox
20595ac4b0 many interface bug fixes. 
also, after
	func g() (int, int)
	func f(int, int)
allow
	f(g())
and
	func h() (int, int) { return g() }

R=ken
DELTA=356  (252 added, 26 deleted, 78 changed)
OCL=22319
CL=22325
 2009-01-08 14:30:00 -08:00
Ken Thompson
88b5c5f0f8 make for slice/map/chan 
new for pointers

R=r
OCL=22158
CL=22158
 2009-01-06 14:52:26 -08:00
Ken Thompson
b2dfd787d7 allow slices (open arrays) to be 
receivers in methods.
put back original code for hilbert/bignum

R=r
OCL=21910
CL=21920
 2008-12-30 14:02:20 -08:00
Russ Cox
c3077f7606 [] and struct in interfaces. 
other [] cleanup.

convert() is gone.

R=r
DELTA=352  (144 added, 68 deleted, 140 changed)
OCL=21660
CL=21662
 2008-12-19 17:11:54 -08:00
Russ Cox
eee50ae1ac chan and map of [] and struct 
R=r
DELTA=192  (145 added, 8 deleted, 39 changed)
OCL=21609
CL=21614
 2008-12-19 12:05:22 -08:00
Russ Cox
c4416ac06b new error messages 
x.go:11: illegal types for operand: AS
	*I
	*T
	(*interface vs *struct)

R=r
DELTA=10  (8 added, 0 deleted, 2 changed)
OCL=21457
CL=21602
 2008-12-19 09:03:24 -08:00
Russ Cox
dc7b2e98d2 compiler changes for *chan -> chan; *map -> map; new(T) -> new(*T) 
mainly a syntactic change: the compiler representations don't change
(chan and map are now hidden pointers like string).

R=ken
OCL=21578
CL=21582
 2008-12-19 03:05:54 -08:00
Russ Cox
92f74ca7e2 [] fixes 
R=ken
OCL=21565
CL=21565
 2008-12-18 21:11:56 -08:00
Ken Thompson
4026500d18 arrays 
R=r
OCL=21564
CL=21564
 2008-12-18 20:06:28 -08:00
Ken Thompson
92a1190c6c robs bug converting unsafe.pointer 
R=r
OCL=20834
CL=20834
 2008-12-09 13:00:50 -08:00