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mirror of https://github.com/golang/go synced 2024-10-04 09:21:21 -06:00
Commit Graph

190 Commits

Author SHA1 Message Date
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
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
Ken Thompson
79fa5b65cb rewrote switch
fixed bug 141

R=r
OCL=26627
CL=26627
2009-03-22 20:54:21 -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
Russ Cox
5fbadf0bc3 warn -> yyerror in mparith.
close two more bugs.

R=ken
OCL=26226
CL=26226
2009-03-12 19:57:30 -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
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
Russ Cox
63985b489b bug085 bug129
R=ken
OCL=25787
CL=25791
2009-03-05 15:57:03 -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
ebc10db3e1 allow parens to disambiguate types.
examples:

	chan <- (chan int)
	chan (<- chan int)
	(map[string]func())("a": main)

R=ken
OCL=25151
CL=25151
2009-02-18 10:07:46 -08:00
Russ Cox
b4af09ab56 embedded interface types in interfaces.
R=ken
OCL=25072
CL=25072
2009-02-16 16:36:18 -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
Ken Thompson
8a70545b57 unsafe.Sizeof and unsafe.Offsetof
R=r
OCL=24639
CL=24639
2009-02-07 12:34:45 -08:00
Russ Cox
0970c46863 closures - 6g support
R=ken
OCL=24501
CL=24566
2009-02-06 13:47:10 -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
3ec4675220 clean up range grammar
R=ken
OCL=23712
CL=23714
2009-01-28 15:41:50 -08:00
Ken Thompson
1e1cc4eb57 defer
R=r
OCL=23592
CL=23592
2009-01-27 12:03:53 -08:00
Russ Cox
4efad58d0a bug133
R=ken
OCL=23528
CL=23528
2009-01-26 16:57:24 -08:00
Ken Thompson
7859ae8a2f removed a:b in range syntax
added another channel test

R=r
OCL=23488
CL=23488
2009-01-26 11:34:38 -08:00
Russ Cox
0183baaf44 * delete export
* rename init functions

R=ken
OCL=23122
CL=23126
2009-01-20 14:40:00 -08:00
Russ Cox
06869eedf9 disallow other package's names in struct field dot.
R=ken
OCL=22996
CL=22996
2009-01-16 15:25:52 -08:00
Russ Cox
dec12d3654 re-export of bools was changing
format from hex to decimal, confusing
ar's strcmp-based value comparison.

switched export format to "true" or "false"
to keep bools separate from ints.

R=ken
OCL=22944
CL=22944
2009-01-16 10:45:28 -08:00
Russ Cox
605d0746c5 catch export on func.
print names in message.

R=ken
OCL=22891
CL=22891
2009-01-15 16:43:51 -08:00
Russ Cox
07d344e442 remove export name-list statement.
make package local the default.
warn about name case not matching export keyword.

R=ken
OCL=22881
CL=22886
2009-01-15 16:16:52 -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
Russ Cox
855495eab6 iscomposite test in OCONV is unnecessary
now that OCOMP exists

R=ken
OCL=22216
CL=22216
2009-01-07 12:39:48 -08:00
Ken Thompson
b0f627a6e1 closed arrays including [...]
R=r
OCL=22182
CL=22182
2009-01-06 17:31:24 -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
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
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
Ken Thompson
4026500d18 arrays
R=r
OCL=21564
CL=21564
2008-12-18 20:06:28 -08:00
Russ Cox
e53d5ad620 fix type/name thing, again
R=r
DELTA=8  (7 added, 0 deleted, 1 changed)
OCL=21379
CL=21379
2008-12-16 17:45:28 -08:00
Russ Cox
99435cac09 another "want type got name" error case
R=ken
OCL=21377
CL=21377
2008-12-16 17:37:07 -08:00
Ken Thompson
ae5a475e20 range clause must have = or :=
:= illegal in for-increment

R=r
OCL=21204
CL=21204
2008-12-15 13:44:27 -08:00
Ken Thompson
7dd62cb3bc 2 minor bugs
R=r
OCL=20906
CL=20906
2008-12-10 12:38:16 -08:00
Ken Thompson
1d4daa2d39 foundation for import unsafe
R=r
OCL=20794
CL=20794
2008-12-08 19:46:39 -08:00
Ken Thompson
b79272d9a2 allowed syntax for range
a range m (implies :=)
a,b range m (implies :=)
a:b range m (implies :=)

a := range m
a,b := range m
a:b := range m

a = range m
a,b = range m
a:b = range m

R=r
OCL=20676
CL=20676
2008-12-06 13:40:30 -08:00
Ken Thompson
26b357ca5b range statement
R=r
OCL=20667
CL=20667
2008-12-05 18:24:05 -08:00
Ken Thompson
c597845e13 const/var/iota declarations as discussed
R=r
OCL=20506
CL=20506
2008-12-04 15:33:40 -08:00
Rob Pike
d7c1048771 really restore helpful error rules
R=rsc
OCL=19929
CL=19929
2008-11-24 14:23:53 -08:00
Rob Pike
46f89d53c6 restore helpful error rules
R=rsc
OCL=19928
CL=19928
2008-11-24 14:15:53 -08:00
Ken Thompson
8e3fe10ee3 1. retract general field names
2. array bounds bug
3. ... optimization bug

R=r
OCL=19927
CL=19927
2008-11-24 14:01:12 -08:00
Ken Thompson
ffafad1919 setup for keywords in fieldnames
R=r
OCL=19883
CL=19883
2008-11-23 15:58:48 -08:00
Russ Cox
10002bb0fb accept empty list of package imports.
R=ken
OCL=19617
CL=19617
2008-11-19 14:27:48 -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
Russ Cox
9906bfc7bb 6g ninit fixes - fixes the two test cases
i isolated last night.  does not fix rob's
interface-smashing bug.

R=ken
OCL=18698
CL=18698
2008-11-06 13:31:13 -08:00
Ken Thompson
2fef4c7198 DOTDOTDOT import/export
R=r
OCL=18319
CL=18319
2008-11-01 16:52:12 -07:00
Russ Cox
f2b1536328 annotations on embedded types
R=ken
OCL=18179
CL=18179
2008-10-30 15:29:55 -07:00
Russ Cox
1850b29da6 struct annotations in imports.
distribute tag across multiple names.

R=ken
OCL=18178
CL=18178
2008-10-30 15:25:26 -07:00
Russ Cox
f27aaf4819 structure field annotation strings
R=ken
OCL=18176
CL=18176
2008-10-30 15:13:09 -07:00
Ken Thompson
c21d9a1ec9 the end of life as we know it
int is new type

R=r
OCL=18023
CL=18023
2008-10-29 12:46:44 -07:00
Russ Cox
b5c739bd1b Uncomment the name/type error checking.
R=ken
OCL=17928
CL=17928
2008-10-28 01:02:33 -07:00
Ken Thompson
e8278bcb29 allow len := 0
R=r
OCL=17869
CL=17869
2008-10-26 14:04:09 -07:00
Ken Thompson
6fecb76eea embedded types
R=r
OCL=17676
CL=17676
2008-10-22 17:25:10 -07:00
Russ Cox
21617250f4 import/export of embedded types
R=ken
OCL=17643
CL=17643
2008-10-22 13:22:56 -07:00
Ken Thompson
14c639161a elided dots
R=r
OCL=17601
CL=17601
2008-10-21 20:55:40 -07:00
Russ Cox
beee6915f8 rewrite &Point{1, 2} as allocation
R=ken
OCL=17592
CL=17592
2008-10-21 16:53:54 -07:00
Ken Thompson
0347e95b63 changes to imbedded
R=r
OCL=17572
CL=17572
2008-10-21 15:04:10 -07:00
Ken Thompson
61361af9e8 unnamed substructures - not complete
R=r
OCL=17437
CL=17437
2008-10-19 20:13:37 -07:00
Russ Cox
1163b1db6f diagnose various conversion problems
R=ken
OCL=17320
CL=17320
2008-10-16 15:59:31 -07:00
Russ Cox
493a9d2f42 put toplevel & check back and add test
R=ken
OCL=17307
CL=17307
2008-10-16 14:02:20 -07:00
Ken Thompson
2e4b8d94cd diagnosed some incorrect
inputs for method receivers.

R=r
OCL=17304
CL=17304
2008-10-16 13:29:03 -07:00
Russ Cox
7cd173a4f8 error about & at top level until it is safe
R=ken
OCL=17241
CL=17241
2008-10-15 17:09:42 -07:00
Russ Cox
4248607ffe simplify comma code per ken's suggestion
R=ken
OCL=17164
CL=17164
2008-10-14 18:47:24 -07:00
Russ Cox
82e41cc533 allow trailing comma in braced initialized list
R=ken
OCL=17141
CL=17143
2008-10-14 17:10:39 -07:00
Ken Thompson
1ea5bc7533 stack allocation for the init function
R=r
OCL=17063
CL=17063
2008-10-13 20:14:09 -07:00
Russ Cox
5f1202428b add empty var ( ), type ( ), const ( ) factorings
suggested by rob (could make programs generating
go easier to write).

R=ken
DELTA=13  (13 added, 0 deleted, 0 changed)
OCL=16766
CL=16766
2008-10-08 15:33:09 -07:00
Russ Cox
02d184b303 remove support for *T as an implicit declaration of T
R=ken
OCL=16651
CL=16653
2008-10-07 13:00:10 -07:00
Russ Cox
d364d28142 implement new semicolon rules:
*  1. all statements and declarations are terminated by semicolons
 *  2. semicolons can be omitted at top level.
 *  3. semicolons can be omitted before and after the closing ) or }
 *	on a list of statements or declarations.

now that semicolons are in, uncomment forward declaration
	of interfaces

R=ken
DELTA=285  (124 added, 114 deleted, 47 changed)
OCL=16638
CL=16646
2008-10-07 12:36:30 -07:00
Russ Cox
74e2e087e2 change type names to go live at the name, so that
type T struct {
		next *T
	}

and

	type T *struct {
		next T
	}

are valid without needing forward declarations.

add "type T struct" syntax for forward struct declarations.

add "type T interface" syntax, but commented out
	(need to fix semicolons first)

R=ken
DELTA=452  (259 added, 115 deleted, 78 changed)
OCL=16580
CL=16584
2008-10-06 16:44:17 -07:00
Russ Cox
2e1bb4a4cf add method test & fix method name bugs
R=ken,r
DELTA=86  (72 added, 9 deleted, 5 changed)
OCL=16488
CL=16488
2008-10-04 02:51:03 -07:00
Russ Cox
b8babed7c2 new import/export format
package flag
	export type flag.Flag struct { name flag.string; usage flag.string; \
		value flag.Value; next *flag.Flag }
	type flag.string string
	type flag.Value interface { AsBool () (? *flag.BoolValue); \
		AsInt () (? *flag.IntValue); AsString () (? *flag.StringValue); \
		IsBool () (? flag.bool); IsInt () (? flag.bool); IsString () (? flag.bool); \
		Str () (? flag.string); ValidValue (str flag.string) (? flag.bool) }
	type flag.BoolValue struct { val flag.bool; p *flag.bool }
	type flag.IntValue struct { val flag.int64; p *flag.int64 }
	type flag.StringValue struct { val flag.string; p *flag.string }
	type flag.bool bool
	func (e *flag.StringValue) AsBool () (? *flag.BoolValue)
	func (e *flag.StringValue) AsInt () (? *flag.IntValue)
	...

the \ continuations are for this message, not real.

changed delimiter for import from (( )) to $$ $$.

replaced mksys.bash with mksys.c

changed sys.go to use leading export,
	fake package name is now SYS not foop

don't always require ; on forward func decls

R=ken,r
DELTA=1827  (446 added, 1083 deleted, 298 changed)
OCL=16433
CL=16463
2008-10-03 16:15:55 -07:00
Ken Thompson
f21e731c71 added printn and panicn
prints that insert spaces and new line

R=r
OCL=16370
CL=16370
2008-10-02 14:38:07 -07:00
Russ Cox
4d571c9093 fix up arg list parsing to handle any names:
type t1 int;
type t2 int;
type t3 int;
func f1(t1, t2, t3);
func f2(t1, t2, t3 bool);
func f3(t1, t2, x t3);
func f4(*t2, x t3);	// error: cannot mix
func f5(t1, *t3);
func (x *t1) f6(y *[]t2) (t1, *t3);
func f7() (int, *string);
func f8(t1, *t2, x t3);	// error: cannot mix
func f9() (x int, *string);
func f10(*t2, t3);

R=ken
OCL=16202
CL=16210
2008-09-30 12:53:11 -07:00
Ken Thompson
b6f59358b5 minor bugs
R=r
OCL=16163
CL=16163
2008-09-29 20:33:51 -07:00
Ken Thompson
89ac5618ac toward methods on any type
R=r
OCL=16068
CL=16068
2008-09-28 20:22:31 -07:00
Ken Thompson
9f3d600be6 export
syntax for inheritance

R=r
OCL=16028
CL=16028
2008-09-26 21:27:26 -07:00
Russ Cox
c3d841f5d4 handle negative numeric constants in import.
(fixes bugs/bug106)

package bug0
export const A = -1

package bug1
import "bug0"

R=ken
DELTA=21  (19 added, 0 deleted, 2 changed)
OCL=15901
CL=15968
2008-09-26 11:44:20 -07:00
Ken Thompson
5f0a5e7a13 more export
R=r
OCL=15771
CL=15771
2008-09-24 14:12:21 -07:00
Russ Cox
fb2c66710c compiler changes:
export.c:
		- only expose explicitly exported types to importer
		- fix behind your back
	go.h:
		- add deep() prototype (fixes 64-bit linux crash on time.go)
	go.y:
		- add a new syntax error case
	walk.c:
		- allow a,b = f() where f is func ptr (fixes bug088)

R=ken
OCL=15617
CL=15630
2008-09-22 12:45:01 -07:00
Russ Cox
13f3149a01 more helpful messages for name-related syntax errors.
R=ken
OCL=15477
CL=15479
2008-09-18 13:32:14 -07:00
Russ Cox
f0635bbfaa Linux bison rejects // comments outside { code snippets }
R=ken
DELTA=1  (0 added, 0 deleted, 1 changed)
OCL=15444
CL=15446
2008-09-17 14:09:44 -07:00
Ken Thompson
304440356d assignment in select
with new select operator

R=r
OCL=15418
CL=15418
2008-09-16 20:51:50 -07:00
Rob Pike
47919799b4 new grammar:
binary <- is send
	unary <- is recv
	-< is gone
	case a := <-ch: works in select
	case a = <-ch: works in select
support for new cases is not yet in the compiler but all non-select
code works

second CL will update affected go source

R=ken
OCL=15414
CL=15414
2008-09-16 19:14:33 -07:00
Ken Thompson
d01a1ec260 robs wednesday bug
R=r
OCL=15327
CL=15327
2008-09-14 17:29:50 -07:00
Ken Thompson
2119294af9 methods on any type
-- but only *struct tested

R=r
OCL=15326
CL=15326
2008-09-14 16:57:55 -07:00
Ken Thompson
1ae08bee90 Automated g4 rollback of changelist 15312.
*** Reason for rollback ***

  <enter reason for rollback>

*** Original change description ***

correct signal name thru package rename

R=r
OCL=15313
CL=15313
2008-09-13 14:49:36 -07:00
Ken Thompson
28b9702741 correct signal name thru package rename
R=r
OCL=15312
CL=15312
2008-09-13 14:46:19 -07:00
Ken Thompson
d40f032d18 fixed bug in certain
evaluation of complex literals

R=r
OCL=15036
CL=15036
2008-09-09 15:47:31 -07:00
Ken Thompson
0194aaf918 T{} syntax for constructors
T(expression) for conversion
FUNC keyword no longer a type

R=r
OCL=14887
CL=14887
2008-09-05 19:50:34 -07:00
Ken Thompson
193eac7917 bugs 29, 61, 62, 74
fixedbugs 49 now (correctly) fails
bugs 32, 41, 68, 77 shouldnt be bugs

R=r
OCL=14842
CL=14842
2008-09-04 17:15:15 -07:00
Ken Thompson
9dbaab54d1 rewriting bugs
R=r
OCL=14810
CL=14810
2008-09-04 12:21:10 -07:00