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14 Commits

Author SHA1 Message Date
Russ Cox
8931306389 cmd/gc: reject non-Go constants 
Expressions involving nil, even if they can be evaluated
at compile time, do not count as Go constants and cannot
be used in const initializers.

Fixes #4673.
Fixes #4680.

R=ken2
CC=golang-dev
https://golang.org/cl/7278043
 2013-02-01 23:10:02 -05:00
Ian Lance Taylor
6ed800c01d test: match gccgo error messages 
const1.go:31:12: error: integer constant overflow
const1.go:31:12: error: integer constant overflow
const1.go:33:12: error: integer constant overflow
const1.go:33:12: error: integer constant overflow
const1.go:34:14: error: integer constant overflow
const1.go:35:17: error: integer constant overflow
const1.go:35:17: error: integer constant overflow
const1.go:35:17: error: integer constant overflow
const1.go:35:17: error: integer constant overflow
const1.go:35:17: error: integer constant overflow
const1.go:36:19: error: integer constant overflow
const1.go:37:15: error: integer constant overflow
const1.go:37:15: error: integer constant overflow
const1.go:37:24: error: integer constant overflow
const1.go:37:15: error: integer constant overflow
const1.go:37:15: error: integer constant overflow
const1.go:37:15: error: integer constant overflow
const1.go:37:24: error: integer constant overflow
const1.go:37:15: error: integer constant overflow
const1.go:38:12: error: integer constant overflow
const1.go:38:12: error: integer constant overflow
const1.go:38:12: error: integer constant overflow
const1.go:38:12: error: integer constant overflow
const1.go:41:20: error: integer constant overflow
const1.go:41:20: error: integer constant overflow
const1.go:42:20: error: integer constant overflow
const1.go:42:20: error: integer constant overflow
const1.go:44:28: error: integer constant overflow
const1.go:44:28: error: integer constant overflow
const1.go:45:14: error: integer constant overflow
const1.go:49:14: error: integer constant overflow
const1.go:50:14: error: integer constant overflow
const1.go:51:14: error: integer constant overflow
const1.go:54:23: error: integer constant overflow
const1.go:54:23: error: integer constant overflow
const1.go:54:23: error: integer constant overflow
const1.go:54:23: error: integer constant overflow
const1.go:56:14: error: integer constant overflow
const1.go:57:24: error: integer constant overflow
const1.go:57:24: error: integer constant overflow
const1.go:58:24: error: integer constant overflow
const1.go:58:24: error: integer constant overflow
const1.go:59:22: error: integer constant overflow
const1.go:59:22: error: integer constant overflow
const1.go:61:24: error: integer constant overflow
const1.go:62:20: error: division by zero
const1.go:65:19: error: floating point constant overflow
const1.go:65:19: error: floating point constant overflow
const1.go:66:28: error: floating point constant overflow
const1.go:66:28: error: floating point constant overflow
const1.go:67:19: error: floating point constant overflow
const1.go:67:19: error: floating point constant overflow
const1.go:68:19: error: division by zero
const1.go:33:14: error: integer constant overflow
const1.go:35:19: error: integer constant overflow
const1.go:42:22: error: integer constant overflow
const1.go:53:17: error: integer constant overflow
const1.go:55:14: error: integer constant overflow
const1.go:59:24: error: integer constant overflow
const1.go:69:20: error: expected integer type
const1.go:75:4: error: argument 1 has incompatible type (cannot use type int8 as type int)
const1.go:76:4: error: argument 1 has incompatible type (cannot use type int8 as type int)
const1.go:77:4: error: argument 1 has incompatible type (cannot use type uint8 as type int)
const1.go:79:4: error: argument 1 has incompatible type (cannot use type float32 as type int)
const1.go:80:4: error: argument 1 has incompatible type (cannot use type float64 as type int)
const1.go:81:4: error: floating point constant truncated to integer
const1.go:83:4: error: argument 1 has incompatible type (cannot use type float64 as type int)
const1.go:84:4: error: argument 1 has incompatible type (cannot use type string as type int)
const1.go:85:4: error: argument 1 has incompatible type (cannot use type bool as type int)
const1.go:88:7: error: const initializer cannot be nil

const2.go:14:8: error: expected ‘=’

const5.go:27:7: error: expression is not constant
const5.go:28:7: error: expression is not constant
const5.go:30:7: error: expression is not constant
const5.go:31:7: error: expression is not constant

ddd1.go:57:23: error: invalid use of ‘...’ in type conversion
ddd1.go:59:6: error: invalid use of ‘...’ in type conversion
ddd1.go:60:12: error: use of ‘[...]’ outside of array literal
ddd1.go:21:15: error: argument 1 has incompatible type
ddd1.go:22:10: error: argument 1 has incompatible type
ddd1.go:30:6: error: invalid use of ‘...’ with non-slice
ddd1.go:30:6: error: invalid use of ‘...’ with non-slice
ddd1.go:46:2: error: invalid use of %<...%> with builtin function
ddd1.go:47:2: error: invalid use of %<...%> with builtin function
ddd1.go:49:2: error: invalid use of %<...%> with builtin function
ddd1.go:50:6: error: invalid use of %<...%> with builtin function
ddd1.go:51:6: error: invalid use of %<...%> with builtin function
ddd1.go:53:6: error: invalid use of %<...%> with builtin function
ddd1.go:58:13: error: invalid use of %<...%> with builtin function
ddd1.go:20:10: error: floating point constant truncated to integer
ddd1.go:32:6: error: invalid use of ‘...’ calling non-variadic function

declbad.go:20:3: error: variables redeclared but no variable is new
declbad.go:38:3: error: variables redeclared but no variable is new
declbad.go:44:3: error: variables redeclared but no variable is new
declbad.go:51:3: error: variables redeclared but no variable is new
declbad.go:57:3: error: variables redeclared but no variable is new
declbad.go:63:3: error: variables redeclared but no variable is new
declbad.go:26:3: error: incompatible types in assignment (cannot use type float32 as type int)
declbad.go:32:3: error: incompatible types in assignment (cannot use type int as type float32)
declbad.go:44:3: error: incompatible types in assignment (different number of results)

fixedbugs/bug223.go:21:5: error: initialization expression for ‘m’ depends upon itself

fixedbugs/bug412.go:10:2: error: duplicate field name ‘x’

fixedbugs/bug413.go:11:5: error: initialization expression for ‘i’ depends upon itself

fixedbugs/bug416.go:13:1: error: method ‘X’ redeclares struct field name

fixedbugs/bug435.go:15:49: error: missing ‘)’
fixedbugs/bug435.go:15:2: error: reference to undefined name ‘bar’

fixedbugs/bug451.go:9:9: error: expected package

typeswitch3.go:39:9: error: no new variables on left side of ‘:=’
typeswitch3.go:24:2: error: impossible type switch case (type has no methods)

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6560063
 2012-09-28 08:30:30 -07:00
Ian Lance Taylor
f0886ab7e2 test: add a couple of cases to const1.go that crashed gccgo 
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5713045
 2012-02-29 17:39:02 -08:00
Russ Cox
83feedf7bf gc: fix error for floating-point constant % 
R=ken2
CC=golang-dev
https://golang.org/cl/5674108
 2012-02-19 00:12:31 -05:00
Rob Pike
fc0dc04095 test: [a-c]: add introductory comments to tests 
Very few of the compiler regression tests include a comment
saying waht they do. Many are obvious, some are anything but.
I've started with a-c in the top directory. More will follow once
we agree on the approach, correctness, and thoroughness here.
zerodivide.go sneaked in too.

R=rsc, r
CC=golang-dev
https://golang.org/cl/5656100
 2012-02-19 13:19:43 +11:00
Russ Cox
0b477ef17e test: use testlib (first 100) 
X ,s;^// \$G (\$D/)?\$F\.go *$;// compile;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A *$;// build;g
X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A && \./\$A\.out *$;// run;g
X ,s;^// errchk \$G( -e)? (\$D/)?\$F\.go *$;// errorcheck;g

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5656082
 2012-02-16 23:48:57 -05:00
Russ Cox
f2b5a07453 delete float, complex - code changes 
also:
	cmplx -> complex
	float64(1.0) -> 1.0
	float64(1) -> 1.0

R=gri, r, gri1, r2
CC=golang-dev
https://golang.org/cl/3991043
 2011-01-19 23:09:00 -05:00
Russ Cox
0acb63769c gc: const nil bug 
Fixes #1073.

R=ken2
CC=golang-dev
https://golang.org/cl/2169043
 2010-09-11 15:47:56 -04:00
Rob Pike
4f61fc96b2 test: remove semiocolons. 
The ken directory is untouched so we have some examples with explicit semis.

R=gri
CC=golang-dev
https://golang.org/cl/2157041
 2010-09-04 10:36:13 +10:00
Ian Lance Taylor
2f1d6a5d91 Cleaned up gccgo error messages require minor adjustment to 
test.

const1.go:27: error: integer constant overflow
const1.go:29: error: integer constant overflow
const1.go:30: error: integer constant overflow
const1.go:31: error: integer constant overflow
const1.go:32: error: integer constant overflow
const1.go:33: error: integer constant overflow
const1.go:33: error: integer constant overflow
const1.go:34: error: integer constant overflow
const1.go:37: error: integer constant overflow
const1.go:38: error: integer constant overflow
const1.go:40: error: integer constant overflow
const1.go:41: error: integer constant overflow
const1.go:43: error: integer constant overflow
const1.go:44: error: integer constant overflow
const1.go:45: error: integer constant overflow
const1.go:48: error: integer constant overflow
const1.go:50: error: integer constant overflow
const1.go:51: error: integer constant overflow
const1.go:52: error: integer constant overflow
const1.go:53: error: integer constant overflow
const1.go:55: error: integer constant overflow
const1.go:56: error: division by zero
const1.go:59: error: floating point constant overflow
const1.go:61: error: floating point constant overflow
const1.go:62: error: division by zero
const1.go:47: error: integer constant overflow
const1.go:49: error: integer constant overflow
const1.go:60: error: floating point constant overflow
const1.go:68: error: argument 1 has incompatible type (cannot use type int8 as type int)
const1.go:69: error: argument 1 has incompatible type (cannot use type int8 as type int)
const1.go:70: error: argument 1 has incompatible type (cannot use type uint8 as type int)
const1.go:72: error: argument 1 has incompatible type (cannot use type float32 as type int)
const1.go:73: error: argument 1 has incompatible type (cannot use type float as type int)
const1.go:74: error: floating point constant truncated to integer
const1.go:76: error: argument 1 has incompatible type (cannot use type float64 as type int)
const1.go:77: error: argument 1 has incompatible type
const1.go:78: error: argument 1 has incompatible type

R=rsc
http://go/go-review/1022001
 2009-11-05 16:04:45 -08:00
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
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
Ian Lance Taylor
8b3df525a2 Modify error regexps to match gccgo error messages. 
const1.go:23:13: error: integer constant overflow
const1.go:25:13: error: integer constant overflow
const1.go:26:14: error: integer constant overflow
const1.go:27:18: error: integer constant overflow
const1.go:28:19: error: integer constant overflow
const1.go:29:16: error: integer constant overflow
const1.go:29:25: error: integer constant overflow
const1.go:30:13: error: integer constant overflow
const1.go:33:14: error: integer constant overflow
const1.go:34:14: error: integer constant overflow
const1.go:36:22: error: integer constant overflow
const1.go:37:7: error: integer constant overflow
const1.go:38:8: error: integer constant overflow
const1.go:39:7: error: integer constant overflow
const1.go:40:7: error: integer constant overflow
const1.go:41:8: error: integer constant overflow
const1.go:44:23: error: integer constant overflow
const1.go:46:13: error: integer constant overflow
const1.go:47:24: error: integer constant overflow
const1.go:48:24: error: integer constant overflow
const1.go:49:22: error: integer constant overflow
const1.go:51:23: error: integer constant overflow
const1.go:52:19: error: division by zero
const1.go:58:11: error: division by zero
const1.go:43:17: error: integer constant overflow
const1.go:45:13: error: integer constant overflow
const1.go:55:19: error: floating point overflow
const1.go:56:28: error: floating point overflow
const1.go:57:11: error: floating point overflow
const1.go:64:2: error: argument 0 has wrong type
const1.go:65:2: error: argument 0 has wrong type
const1.go:66:2: error: argument 0 has wrong type
const1.go:68:2: error: argument 0 has wrong type
const1.go:69:2: error: argument 0 has wrong type
const1.go:70:4: error: floating point constant truncated to integer
const1.go:72:2: error: argument 0 has wrong type
const1.go:73:2: error: argument 0 has wrong type
const1.go:74:2: error: argument 0 has wrong type

R=rsc
DELTA=34  (0 added, 0 deleted, 34 changed)
OCL=26560
CL=26560
 2009-03-19 17:33:28 -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