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471 Commits

Author SHA1 Message Date
Ken Thompson
b91a043d02 static initialization of slices 
R=r
OCL=29016
CL=29016
 2009-05-18 22:11:22 -07:00
Ken Thompson
62231e91d0 static initialization with DATA statements 
structs and arrays are done
slices and maps are yet to do

R=r
OCL=28977
CL=28977
 2009-05-17 19:16:16 -07:00
Ken Thompson
52b0f77bf9 static initialization 
structure set up - no change yet

R=r
OCL=28966
CL=28966
 2009-05-16 13:29:08 -07:00
Rob Pike
a8db4593ab fix spelling error in message 
R=ken
OCL=28814
CL=28814
 2009-05-14 09:59:16 -07:00
Russ Cox
d06a79e31b no need for compiler to hard-code definition of runtime. 
use the actual go source instead.

R=r
DELTA=90  (66 added, 18 deleted, 6 changed)
OCL=28708
CL=28719
 2009-05-12 16:15:52 -07:00
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
918afd9491 move things out of sys into os and runtime 
R=r
OCL=28569
CL=28573
 2009-05-08 15:21:41 -07:00
Rob Pike
c367d1b789 Move sys.Reflect and sys.Unreflect into unsafe. 
R=rsc
DELTA=19  (4 added, 5 deleted, 10 changed)
OCL=28563
CL=28566
 2009-05-08 14:57:56 -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
88a1aa8e1a 6g: error messages 
part 2; missing files

R=ken
OCL=28408
CL=28410
 2009-05-07 10:30:22 -07:00
Russ Cox
b5e212ffdd 6g: error messages 
replace "shape error across CALL" with more information.

x.go:7: not enough arguments to CALL
	a int, b int
	int
x.go:10: assignment count mismatch: 3 = 2
x.go:12: too many arguments to RETURN
	[no arguments expected]
	int, int, int

also leave type alone after conversion failure,
for later errors:

bug049.go:6: cannot convert nil constant to string
bug049.go:6: illegal types for operand: EQ
	string
	nil		# this used to be blank

R=ken
OCL=28405
CL=28407
 2009-05-07 10:29:35 -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
83cd4ee070 6g: generate string data as individual symbols, 
so that 6l can discard strings used by dead code.
also, for short strings, generate DUPOK global
symbols so that references to, say, "%s: %s" in
multiple files result in only a single symbol.

R=ken
OCL=28361
CL=28361
 2009-05-06 13:47:40 -07:00
Ken Thompson
c4de24981a signs on div and mod 
R=r
OCL=28319
CL=28319
 2009-05-05 21:19:58 -07:00
Russ Cox
3e9b171b79 6g bug: was dropping assignment of nil to globals 
R=ken
OCL=28314
CL=28314
 2009-05-05 17:33:51 -07:00
Russ Cox
f821e3c7c3 6g tweaks 
* byteastring is no longer used
	* do not generate ODCL, OAS for globals
	  (wasn't generating any code but might
	  save one or two init functions)
	* do not call self from Init function

R=ken
OCL=28309
CL=28309
 2009-05-05 16:53:46 -07:00
Ken Thompson
567a7bf664 more code optimization 
1. dont clear external and heap objects
2. propagate constant assignment

R=r
OCL=28254
CL=28254
 2009-05-04 21:48:46 -07:00
Ken Thompson
49f7494894 code optmization 
drip init function if it doesnt do anything

R=r
OCL=28180
CL=28180
 2009-05-01 18:55:16 -07:00
Russ Cox
83e976d53e bug146: array/slice conversion before I left missed conversions 
R=ken
OCL=28120
CL=28124
 2009-04-30 13:49:58 -07:00
Ken Thompson
7a98315c96 allow "defer close(chan)" 
bug found by anton

R=r
OCL=28001
CL=28001
 2009-04-28 17:20:18 -07:00
Ken Thompson
ad36c39211 bug 145 
R=r
OCL=27979
CL=27979
 2009-04-28 12:28:31 -07:00
Ken Thompson
b03b541b7a recognize a defined constant 
as a new name in a later declaration
(bug 144)

R=r
OCL=27850
CL=27850
 2009-04-24 16:43:31 -07:00
Ken Thompson
190a540892 2 minor bugs. 
lv context for some [] operations
calling implicit(*map) before walk.

R=r
OCL=27706
CL=27706
 2009-04-21 19:52:13 -07:00
Ken Thompson
b5e7562191 supply default indirection to 
map indexing - bug 143

R=r
OCL=27695
CL=27695
 2009-04-21 17:00:08 -07:00
Ken Thompson
34b6f642de mixed old/new declaration 
exact spec:
a) must be a multi-assignment w :=
b) a proper subset of the lhs
   can be declared in same block
   with the same type with no
   "redeclaration" error

R=r
OCL=27610
CL=27610
 2009-04-18 13:58:04 -07:00
Russ Cox
3ea8d854a3 make string(array) take []byte only (and thus *[10]byte but not [10]byte) 
R=ken
OCL=27581
CL=27585
 2009-04-16 23:07:30 -07:00
Russ Cox
1cb3b7d124 panicln: emit just one newline 
R=ken
OCL=27537
CL=27545
 2009-04-15 22:38:09 -07:00
Russ Cox
65d397f747 compiler implementation of array slice change 
R=ken
OCL=27533
CL=27533
 2009-04-15 20:27:22 -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
Russ Cox
a62467af93 fix stringrange test 
R=ken
OCL=27353
CL=27353
 2009-04-13 05:31:44 -07:00
Ken Thompson
a91a8042b4 range over strings 
R=r
OCL=27332
CL=27332
 2009-04-10 19:49:31 -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
3067781ab9 func f() (int, int); 
x := f();

used to give
	fatal error: dowidth fn struct struct { int; int }

now gives
	assignment count mismatch: 1 = 2

R=ken
OCL=27198
CL=27201
 2009-04-07 22:20:37 -07:00
Russ Cox
d50c70d261 set line number for errors produced during walkstate. 
R=ken
OCL=27145
CL=27145
 2009-04-06 22:17:46 -07:00
Russ Cox
907cb4f1e6 fix both of anton's bugs: 
* make([100]int) was being compiled to
	make([]int), kind of.
* []this = [100]that was working for any this, that.

turned up a typo in pipe_test.go

R=ken
OCL=27081
CL=27081
 2009-04-03 23:20:51 -07:00
Russ Cox
39436f2a74 special case check for this situation 
; cat >http.go
	package main
	import "http"  // intended the library, not this file
	^D
	; 6g http.go
	; 6g http.go
	http.go:4: export/package mismatch: init
	;

new error:

	http.6:7 http.go:3: cannot import package main

R=ken
OCL=27053
CL=27053
 2009-04-02 21:46:19 -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
416b27548e use _f007·filename for func literals. 
this avoids problems people have run into with
multiple closures in the same package.

when preparing filename, only cut off .go, not .anything.
this fixes a bug tgs ran into with foo.pb.go and foo.go
in the same package.

also turn bad identifier chars from filename into
underscores: a-b.pb.go => a_b_pb

R=ken
OCL=27050
CL=27050
 2009-04-02 18:32:57 -07:00
Ken Thompson
9efd6b8a3d compiler falut for forgetting 
the assignment on a type switch

R=r
OCL=27048
CL=27048
 2009-04-02 18:06:43 -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
6b07021a2b implement some more 8g 
package main
	func main() {
		println("hello,", 123);
	}

R=ken
OCL=27043
CL=27043
 2009-04-02 16:48:06 -07:00
Ken Thompson
2450c590e9 typeswitch - expression evaluated 
twice instead of once.

R=r
OCL=27015
CL=27015
 2009-04-01 21:28:59 -07:00
Russ Cox
aacdc25399 fix http://b/1748082 
package main
var f = func(a, b int) int { return a + b }

R=ken
OCL=26935
CL=26935
 2009-03-30 22:26:00 -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
941ed00b1d closure bug: carry along outnamed flag. 
R=ken
OCL=26930
CL=26930
 2009-03-30 19:21:36 -07:00
Russ Cox
bac922c6e1 move portable code generation (basic statements) to gc. 
R=ken
OCL=26929
CL=26929
 2009-03-30 19:15:07 -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
8e54729b5a move alignment calculations into gc 
R=ken
OCL=26914
CL=26914
 2009-03-30 17:09:28 -07:00