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50 Commits

Author SHA1 Message Date
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
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
b7dd312c93 bug170; fix test for bug175 
R=ken
OCL=32255
CL=32255
 2009-07-27 17:24:07 -07:00
Russ Cox
059bbdd340 print(1<<x) 
R=ken
OCL=32252
CL=32252
 2009-07-27 16:17:09 -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
0aa1b1508a shift typechecking bugs 
x << "a"
	1 << int(2)

R=ken
OCL=31244
CL=31244
 2009-07-06 23:33:17 -07:00
Russ Cox
a14b28a24d fix bug involving typed nil constants: 
interface = (*int)(nil) is not the same as
interface = nil.

package main
func main() {
	var x interface{} = (*int)(nil);
	println(x.(*int));
}

R=ken
OCL=31232
CL=31232
 2009-07-06 21:37:29 -07:00
Russ Cox
70a273476b better error; clean up lineno in a few places 
wreck.mtv=; cat x.go
package main
var x = string.Split()
wreck.mtv=; 6g x.go
x.go:2: type string used as expression
x.go:2: undefined DOT Split on string
x.go:3: illegal types for operand: AS
	undefined
wreck.mtv=;

BUG=1938751
R=ken
OCL=30766
CL=30766
 2009-06-25 16:32:33 -07:00
Ken Thompson
fbcbcdbb1d bug 156 
R=r
OCL=29623
CL=29623
 2009-05-29 15:34:47 -07:00
Ken Thompson
3b37b02834 bug 149 
R=r
OCL=29612
CL=29612
 2009-05-29 13:44:30 -07:00
Russ Cox
3aa006b8cd better 64-bit handling in 8g. 
fewer moves, fewer stupid LEALs.
powser1 runs (with evaln commented out).
beginnings of floating point.

R=ken
OCL=29540
CL=29543
 2009-05-28 15:48:47 -07:00
Russ Cox
e81d97ea84 clean up gmove: 
* conversions all in one place.
	* no separate load, store phases;
	  direct memory addressing when possible
	  (this is the x86 after all!).
	  avoids extra registers, extra MOVQs.
	* fixes int32 -> uint64 bug
	  (was zero-extending)

R=ken
OCL=29482
CL=29484
 2009-05-27 23:55:14 -07:00
Russ Cox
18890eebbf fix bug154; tweak bug153 exit status 
R=ken
OCL=29448
CL=29448
 2009-05-27 10:16:13 -07:00
Ken Thompson
a016081f43 added key:val extension to 
structure and array literals

R=r
OCL=29190
CL=29190
 2009-05-21 13:46:07 -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
d4fa253837 eqtype(t1, t2, 0) => eqtype(t1, t2) 
R=ken
OCL=28559
CL=28562
 2009-05-08 14:40:38 -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
Ken Thompson
3657061550 change representation of strings 
R=r
OCL=27293
CL=27293
 2009-04-09 18:16:21 -07:00
Ken Thompson
b8be809c10 ^ type(const) now inverts "enough" bits 
^ signed(const) becomes illegal
^ unsigned(const) becomes legal

R=r
OCL=26697
CL=26697
 2009-03-24 16:40:38 -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
bb02e481d2 added bitclear operators &^ and &^= 
R=r
OCL=26152
CL=26152
 2009-03-11 19:59:35 -07:00
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
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
Ken Thompson
dcc064fe94 cmp [] to nil 
R=r
OCL=21567
CL=21567
 2008-12-18 21:33:45 -08:00
Ken Thompson
42d89ac02c even more code improvement 
R=r
OCL=21160
CL=21160
 2008-12-14 18:45:00 -08:00
Ken Thompson
e683fb7a54 bug104 
R=r
OCL=21082
CL=21082
 2008-12-12 13:10:36 -08:00
Ken Thompson
8bce3b5658 bug127 
R=r
OCL=20874
CL=20874
 2008-12-09 17:52:41 -08:00
Ken Thompson
89996e1fb1 truncating of float constants when 
used in float64 or float32 contexts

R=r
OCL=20297
CL=20297
 2008-12-02 17:03:47 -08:00
Ken Thompson
3fa4610601 multi precision floating point 
R=r
OCL=20185
CL=20185
 2008-12-01 17:22:05 -08:00
Ken Thompson
2c050571d8 shift bugs 
R=r
OCL=18095
CL=18095
 2008-10-29 20:25:34 -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
1163b1db6f diagnose various conversion problems 
R=ken
OCL=17320
CL=17320
 2008-10-16 15:59:31 -07:00
Ken Thompson
1bf38484d1 interface on arbitrary types 
global signatures for basic types

R=r
OCL=17238
CL=17240
 2008-10-15 17:08:10 -07:00
Ken Thompson
1836541566 bug with struct-type { 1 } 
R=r
OCL=17096
CL=17096
 2008-10-14 12:48:14 -07:00
Russ Cox
1b257b2bb3 silence gcc warning - initialize two variables 
R=ken
OCL=16550
CL=16550
 2008-10-06 13:52:23 -07:00
Russ Cox
45f4e38506 silence gcc warnings 
R=ken
OCL=16449
CL=16466
 2008-10-03 16:23:02 -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
Ken Thompson
944ad62ecd fix type of (1<<x) 
R=r
OCL=14656
CL=14656
 2008-08-29 13:24:53 -07:00
Ken Thompson
4797523572 fixed bugs in const/case 
R=r
DELTA=138  (75 added, 12 deleted, 51 changed)
OCL=14129
CL=14131
 2008-08-12 14:04:03 -07:00
Ken Thompson
272ae659db mp fixed arith 
R=r
DELTA=149  (80 added, 62 deleted, 7 changed)
OCL=14029
CL=14029
 2008-08-09 17:29:26 -07:00
Ken Thompson
9c2ade358d mp constants 
R=r
DELTA=381  (142 added, 26 deleted, 213 changed)
OCL=14011
CL=14016
 2008-08-08 17:13:31 -07:00
Russ Cox
9aad9fef76 make 6a, 6c, 6g, 6l, libmach_amd64 build on 64-bit gcc. 
these guys really really want long to be 32-bits,
so ,s/long/int32/ (and then manual fixup).
still passes all tests.

(i started out looking for just those longs that
needed to be int32 instead, and it was just too hard
to track them down one by one.)

the longs were rare enough that i don't think
it will cause integration problems.

R=ken
OCL=13787
CL=13789
 2008-08-03 17:25:15 -07:00
Ken Thompson
b1abcc195d random bug fixes 
R=r
DELTA=18  (6 added, 1 deleted, 11 changed)
OCL=13504
CL=13504
 2008-07-27 13:09:15 -07:00
Ken Thompson
b78676a49d start of select 
random bugs fixed

SVN=128149
 2008-07-20 20:13:07 -07:00
Ken Thompson
4d6d4e7f4e random little bugs 
SVN=126049
 2008-07-05 17:43:25 -07:00
Ken Thompson
c242b53d22 more maps 
more semi-colons
type assignment of constants

SVN=123278
 2008-06-17 22:33:32 -07:00
Ken Thompson
504aa698f7 SVN=123249 2008-06-17 18:01:05 -07:00
Ken Thompson
e1a06ccc80 now checks for lvalue/rvalue context of 
expressions.
start of generics for calling builtin
     functions
start of map type
'any' demoted from reserved word to type

SVN=122808
 2008-06-15 20:24:30 -07:00
Rob Pike
0cafb9ea3d Add compiler source to new directory structure 
SVN=121164
 2008-06-04 14:37:38 -07:00