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
Ken Thompson
07044ba6e5
plateau in divide by a constant
...
still to do - overflow, mod
R=rsc
OCL=32927
CL=32927
2009-08-08 15:26:09 -07:00
Russ Cox
6be0f50b97
bug159
...
R=ken
OCL=32902
CL=32914
2009-08-07 16:47:54 -07:00
Russ Cox
39b12e2dcb
bug185 - return b,a from func() (a,b int)
...
R=ken
OCL=32900
CL=32900
2009-08-07 14:38:31 -07:00
Russ Cox
d1ee5d6e8f
bug184 - assignment compatibility in unpacked multireturn
...
R=ken
OCL=32890
CL=32894
2009-08-07 14:00:18 -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
468f244416
bug182 - compiler crash
...
R=ken
OCL=32887
CL=32887
2009-08-07 13:17:28 -07:00
Russ Cox
6c2738eb43
bug181 - type T *struct { T } is an invalid embedded type
...
R=ken
OCL=32886
CL=32886
2009-08-07 13:14:01 -07:00
Russ Cox
99eca57d43
clean up a few error messages;
...
disable func redeclaration mismatch test;
fix golden.out
R=ken
OCL=32883
CL=32883
2009-08-07 13:00:20 -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
dbe004efe4
delayed evaluation of var blocks
...
R=ken
OCL=32750
CL=32753
2009-08-04 16:53:06 -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
d8c19c80dc
type checking of assignments, switch, if, for
...
R=ken
OCL=32716
CL=32720
2009-08-04 10:26:29 -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
9953c48dc4
missed in last checkin
...
R=ken
OCL=32581
CL=32581
2009-07-31 09:45:39 -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
Russ Cox
ff3a73b407
typechecking checkpoint.
...
started to move typechecking to another file.
can build entire tree still, but lots of work
is duplicated. much to clean up.
R=ken
OCL=32536
CL=32543
2009-07-30 16:53:08 -07:00
Russ Cox
2946069e3f
break and continue fixes
...
labeled break/continue was using
first loop with any label,
not first loop with the right label.
R=ken
OCL=32453
CL=32458
2009-07-29 14:49:01 -07:00
Russ Cox
9271c6402e
introduce typecheck pass before walkexpr.
...
not complete but compiler still works.
R=ken
OCL=32424
CL=32426
2009-07-29 12:47:51 -07:00
Russ Cox
056940d84b
convert walkexpr to take Node**; drop indir
...
R=ken
OCL=32421
CL=32421
2009-07-29 12:00:34 -07:00
Russ Cox
4152b925f9
expression printer; %#N
...
R=ken
OCL=32419
CL=32419
2009-07-29 11:51:34 -07:00
Russ Cox
9346c6d901
make every func literal expression allocate,
...
so that == on func means that the
functions originated in the same
execution of a func literal or definition.
before, there was an inconsistency:
func() {x++} != func() {x++}
but
func() {} == func() {}
this CL makes the second case != too,
just like
make(map[int]int) != make(map[int]int)
R=r
DELTA=202 (71 added, 62 deleted, 69 changed)
OCL=32393
CL=32398
2009-07-28 20:01:00 -07:00
Russ Cox
123ff2ebb8
bug177: anonymous struct fields in reflect
...
(reported by iant)
R=r
DELTA=50 (32 added, 12 deleted, 6 changed)
OCL=32263
CL=32385
2009-07-28 17:01:46 -07:00
Russ Cox
18840f5429
constant keys for array initializers
...
R=ken
OCL=32261
CL=32261
2009-07-27 17:58:25 -07:00
Russ Cox
b7dd312c93
bug170; fix test for bug175
...
R=ken
OCL=32255
CL=32255
2009-07-27 17:24:07 -07:00
Russ Cox
a587d9a73f
multiple return in := bug
...
R=ken
OCL=32253
CL=32253
2009-07-27 16:59:10 -07:00
Russ Cox
059bbdd340
print(1<<x)
...
R=ken
OCL=32252
CL=32252
2009-07-27 16:17:09 -07:00
Russ Cox
811e59f2fa
named string type bugs
...
R=ken
OCL=32244
CL=32244
2009-07-27 15:16:28 -07:00
Russ Cox
03b25a92a3
catch
...
a := true;
a |= a;
in the front end.
R=ken
OCL=32240
CL=32243
2009-07-27 14:55:14 -07:00
Russ Cox
0b2683d1ee
do not insert implicit "return;" in empty function body
...
R=ken
OCL=32239
CL=32239
2009-07-27 14:36:32 -07:00
Russ Cox
5a74c0b6ba
do not use ONONAMEs for line number information,
...
just like ONAME etc.
R=ken
OCL=31964
CL=31964
2009-07-21 16:38:56 -07:00
Russ Cox
1d51978fed
fix cut-and-paste bugs in error messages
...
R=ken
OCL=31890
CL=31890
2009-07-20 17:41:18 -07:00
Russ Cox
6e1ad041f7
avoid strncat in formatters.
...
the n argument to strncat is the maximum
number of bytes to read from the src,
not the total size of the destination.
R=ken
OCL=31871
CL=31875
2009-07-20 14:16:25 -07:00
Russ Cox
f664d0e904
explain selectsend problem
...
R=ken
OCL=31865
CL=31867
2009-07-20 13:29:56 -07:00
Russ Cox
35e5906f91
another baby step.
...
excluding import data,
no yacc node has type Type* anymore.
0 reduce/reduce conflicts.
R=ken
OCL=31793
CL=31795
2009-07-17 14:42:14 -07:00
Russ Cox
db508ccbff
baby step: const decls can refer to future
...
consts in the same factored block
const (
X = Y;
Y = 2;
)
R=ken
OCL=31782
CL=31782
2009-07-17 13:38:16 -07:00
Russ Cox
e52e9ca82e
another step toward eliminating forward declarations.
...
introduce NodeList* type in compiler to replace OLIST.
this clarifies where lists can and cannot occur.
list append and concatenation are now cheap.
the _r rules are gone from yacc.
rev and unrev are gone.
no more lists of lists.
the representation of assignments is a bit clunkier.
split into OAS (1=1) and OAS2 (2 or more on one side).
delete dead chanrecv3 code.
delay construction of func types.
R=ken
OCL=31745
CL=31762
2009-07-17 01:00:44 -07:00
Russ Cox
be16caf872
step toward no function prototypes.
...
delay evaluation of most types (all but func)
from parse time to type check time.
R=ken
OCL=31585
CL=31585
2009-07-13 23:38:39 -07:00
Russ Cox
e11447f7da
bug148.
...
R=ken
OCL=31582
CL=31582
2009-07-13 23:29:44 -07:00
Russ Cox
0dadc4fe4f
cleanup in preparation for new scoping.
...
walkstate -> walkstmt
walktype -> walkexpr; stmts moved to walkstmt
walktype and friends have a final Node **init
argument that can have side effects appended,
making it more explicit when they do and do not happen.
this replaces the old global addtop and addtotop.
delete switch map and interface conversion cases
(dropped from the language months ago).
R=ken
OCL=31465
CL=31468
2009-07-10 16:29:26 -07:00
Ken Thompson
ed124a971e
segfault
...
R=rsc
OCL=31467
CL=31467
2009-07-10 16:12:21 -07:00
Ken Thompson
5ff7d84892
segment fault
...
R=rsc
OCL=31396
CL=31396
2009-07-09 11:41:06 -07:00
Ken Thompson
a68b1da3cc
another nil reference
...
R=rsc
OCL=31373
CL=31373
2009-07-08 17:58:15 -07:00
Russ Cox
903d28bd1e
ANY is already checked separately,
...
so remove code from go.y.
show original types in badtype; don't remove pointers.
not sure why this was here but it confuses things
if the bad part involves two named pointer types
with different names but the same pointed-at type.
R=ken
OCL=31369
CL=31369
2009-07-08 16:39:19 -07:00