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7abb4b3a96
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218 Commits

Author SHA1 Message Date
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
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
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
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
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
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
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
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
Russ Cox
41861a8812 gc: better diagnosis of initialization loops 
Fixes bug 292.

R=ken2
https://golang.org/cl/164093
 2009-12-03 00:51:03 -08:00
Ken Thompson
c4606d05da install copy predefined 
did not test 386, but should work
shouldnt matter if copy is not used

R=rsc
https://golang.org/cl/156055
 2009-11-17 20:41:44 -08:00
Russ Cox
e5636d6e27 avoid seg fault when return type is unknown 
Fixes #80.

R=ken
https://golang.org/cl/154079
 2009-11-11 22:20:05 -08:00
Russ Cox
71983af4a1 bug212, bug213. 
R=ken
http://go/go-review/1026032
 2009-11-08 23:22:06 -08:00
Russ Cox
60ff8cc86f address bug193 and add note to spec about it. 
R=ken
OCL=35920
CL=35920
 2009-10-20 08:27:14 -07:00
Russ Cox
02fd255a14 bug162, over and over 
R=ken
OCL=35919
CL=35919
 2009-10-20 08:03:43 -07:00
Russ Cox
a15648658f bug196 
R=ken
OCL=35905
CL=35905
 2009-10-19 21:10:29 -07:00
Russ Cox
8fffa1d698 bug190. 
also eliminate float80 dregs

R=ken
OCL=35894
CL=35896
 2009-10-19 18:47:37 -07:00
Russ Cox
22a5c78f44 rename sys functions to runtime, 
because they are in package runtime.

another step to enforcing package boundaries.

R=r
DELTA=732  (114 added, 93 deleted, 525 changed)
OCL=35811
CL=35824
 2009-10-15 23:10:49 -07:00
Russ Cox
2372408189 sort errors by line number 
turn off testdclstack and "not used" errors
when there are syntax errors.

BUG=2181825
R=ken
OCL=35606
CL=35608
 2009-10-12 11:03:48 -07:00
Russ Cox
d515063588 better handling of mistaken top-level variable 
references during the parsing of :=.  the base
problem is that when reading

	a,b,c,d

the parser makes those refer to existing variables,
which might create a few stub top-level ones
for undefined names, but then if a := is the next
token, we need to undo those stubs.

this was causing problems in multifile packages
in which one file used a := variable named rpc
and the other imported a package named rpc.

R=ken
OCL=35446
CL=35446
 2009-10-07 14:55:12 -07:00
Russ Cox
a95ee61aea ideal bools and related fixes 
R=ken
OCL=34859
CL=34865
 2009-09-21 15:45:55 -07:00
Russ Cox
73e52ae971 check for unused imports 
R=ken
OCL=34732
CL=34756
 2009-09-17 16:42:10 -07:00
Russ Cox
e780fa8669 defining package block names must override 
universe block names.

BUG=2097244
R=ken
OCL=34295
CL=34473
 2009-09-09 01:01:39 -07:00
Russ Cox
5438be4541 write-only variable _ 
R=ken
OCL=34465
CL=34470
 2009-09-08 23:16:19 -07:00
Ken Thompson
18f2e360a0 composit literals 
plateau - more to come

R=rsc
OCL=34413
CL=34413
 2009-09-05 20:32:24 -07:00
Russ Cox
107d404378 stop using filename for disambiguation within a package. 
R=ken
OCL=34339
CL=34341
 2009-09-03 15:23:21 -07:00
Russ Cox
a1391c2d13 fix one bug involving [...] constructors. 
added iant's bug202 (in main code)
and ken's bug203 (in init function).
bug187 remains at large.

R=ken
OCL=34293
CL=34293
 2009-09-02 23:26:13 -07:00
Russ Cox
ee2d5128d6 the last bug involving type hashes 
R=ken
OCL=34244
CL=34249
 2009-09-02 09:09:32 -07:00
Russ Cox
bebe06a784 type switch bug involving function parameter names 
R=ken
OCL=34232
CL=34232
 2009-09-01 18:04:49 -07:00
Ken Thompson
6fceadbba3 cleanup getting ready for static init 
R=rsc
OCL=34090
CL=34090
 2009-08-30 14:43:33 -07:00
Russ Cox
3443656bce clean up ideal handling; reject attempts 
to write type descriptors for ideal types

R=ken
OCL=33958
CL=33958
 2009-08-27 11:16:34 -07:00
Russ Cox
7b29dbb866 symbol bugs. 
do not emit unreachable data symbols.

R=austin
DELTA=103  (71 added, 4 deleted, 28 changed)
OCL=33325
CL=33622
 2009-08-20 17:33:28 -07:00
Russ Cox
5600435fe4 produce diagnostic for 
import "fmt"
var fmt = 1

R=ken
OCL=33556
CL=33561
 2009-08-19 17:27:08 -07:00
Russ Cox
38df5ec58d try to do better line number reporting 
in the presence of yacc lookahead.
better but still not perfect

R=ken
OCL=33541
CL=33541
 2009-08-19 15:18:08 -07:00
Russ Cox
63aeaa2a03 fix import dot bug 
R=ken
OCL=33526
CL=33528
 2009-08-19 11:32:46 -07:00
Russ Cox
d594639087 rm outfile if 6g exits with an error 
R=ken
OCL=33134
CL=33141
 2009-08-12 17:58:53 -07:00
Russ Cox
a92610208e delete code for forward type declarations 
R=ken
OCL=33108
CL=33113
 2009-08-12 14:41:13 -07:00
Russ Cox
7732f79daa fix indirect error 
x.go:3: invalid indirect of X (type int)

was
x.go:3: invalid indirect of nil

R=ken
OCL=33008
CL=33008
 2009-08-10 18:19:32 -07:00
Ken Thompson
34f76b5de5 1. integer division by a constant done. 
2. moved functions from 6g to gc
for portability to other families.
3. added rotate-carry instructions to
peek and reg.

R=rsc
OCL=32946
CL=32946
 2009-08-09 15:16:06 -07:00
Russ Cox
aa7bd48389 bug183 - embedded vs non-embedded struct field in eqtype 
R=ken
OCL=32888
CL=32888
 2009-08-07 13:23:09 -07:00
Russ Cox
b648716ee9 forward declarations not necessary. 
still to do:
	* initializer cycle detection
	* nicer error for type checking cycles

R=ken
OCL=32855
CL=32880
 2009-08-07 12:50:26 -07:00
Russ Cox
2609731736 delay range processing. old2new is gone 
R=ken
OCL=32780
CL=32780
 2009-08-05 02:33:30 -07:00
Russ Cox
54b403723b delay := processing 
R=ken
OCL=32772
CL=32772
 2009-08-05 00:42:44 -07:00
Russ Cox
a121410541 make Syms smaller. 
collapse a lot of duplication in dcl.c
switch to NodeList* from Dcl*

R=ken
OCL=32770
CL=32770
 2009-08-04 22:59:23 -07:00
Russ Cox
aa347c4a0d move various bits of code around 
and delete some dead code.
no actual changes here.

R=ken
OCL=32764
CL=32764
 2009-08-04 18:43:32 -07:00
Russ Cox
f7a867e1a6 move select into its own file. 
split into typecheck + walk

R=ken
OCL=32726
CL=32726
 2009-08-04 12:57:48 -07:00
Russ Cox
9dc22b6d6f more 6g reorg; checkpoint. 
typecheck.c is now responsible for all type checking
except for assignment and function argument "..."

R=ken
OCL=32661
CL=32667
 2009-08-03 11:58:52 -07:00
Russ Cox
a2b8e38766 checkpoint; still plenty to clean up 
R=ken
OCL=32576
CL=32580
 2009-07-31 09:29:28 -07:00
Russ Cox
b754b4348f delete some code from walkexpr that is now 
handled by typecheck.

second switch is gone

move floating point minus into back end

R=ken
OCL=32558
CL=32558
 2009-07-30 18:56:44 -07:00