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This CL introduces compiler support for the new binary and octal integer literals, hexadecimal floats, and digit separators for all number literals. The new Go 2 number literal scanner accepts the following liberal format: number = [ prefix ] digits [ "." digits ] [ exponent ] [ "i" ] . prefix = "0" [ "b" |"B" | "o" | "O" | "x" | "X" ] . digits = { digit | "_" } . exponent = ( "e" | "E" | "p" | "P" ) [ "+" | "-" ] digits . If the number starts with "0x" or "0X", digit is any hexadecimal digit; otherwise, digit is any decimal digit. If the accepted number is not valid, errors are reported accordingly. See the new test cases in scanner_test.go for a selection of valid and invalid numbers and the respective error messages. R=Go1.13 Updates #12711. Updates #19308. Updates #28493. Updates #29008. Change-Id: Ic8febc7bd4dc5186b16a8c8897691e81125cf0ca Reviewed-on: https://go-review.googlesource.com/c/157677 Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Russ Cox <rsc@golang.org> |
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.. | ||
alias3.dir | ||
bench | ||
chan | ||
closure3.dir | ||
codegen | ||
ddd2.dir | ||
dwarf | ||
fixedbugs | ||
import2.dir | ||
import4.dir | ||
interface | ||
intrinsic.dir | ||
ken | ||
linkname.dir | ||
method4.dir | ||
retjmp.dir | ||
stress | ||
syntax | ||
uintptrescapes.dir | ||
64bit.go | ||
235.go | ||
alg.go | ||
alias1.go | ||
alias2.go | ||
alias3.go | ||
alias.go | ||
align.go | ||
append1.go | ||
append.go | ||
args.go | ||
armimm.go | ||
assign1.go | ||
assign.go | ||
atomicload.go | ||
bigalg.go | ||
bigmap.go | ||
blank1.go | ||
blank.go | ||
bom.go | ||
bombad.go | ||
bounds.go | ||
chancap.go | ||
chanlinear.go | ||
char_lit1.go | ||
char_lit.go | ||
checkbce.go | ||
clearfat.go | ||
closedchan.go | ||
closure1.go | ||
closure2.go | ||
closure3.go | ||
closure4.go | ||
closure.go | ||
cmp6.go | ||
cmp.go | ||
cmplx.go | ||
cmplxdivide1.go | ||
cmplxdivide.c | ||
cmplxdivide.go | ||
complit1.go | ||
complit.go | ||
compos.go | ||
const1.go | ||
const2.go | ||
const3.go | ||
const4.go | ||
const5.go | ||
const6.go | ||
const.go | ||
convert1.go | ||
convert2.go | ||
convert3.go | ||
convert.go | ||
convlit1.go | ||
convlit.go | ||
convT2X.go | ||
copy1.go | ||
copy.go | ||
crlf.go | ||
ddd1.go | ||
ddd2.go | ||
ddd.go | ||
decl.go | ||
declbad.go | ||
defer.go | ||
deferfin.go | ||
deferprint.go | ||
deferprint.out | ||
devirt.go | ||
divide.go | ||
divmod.go | ||
empty.go | ||
env.go | ||
eof1.go | ||
eof.go | ||
escape2.go | ||
escape2n.go | ||
escape3.go | ||
escape4.go | ||
escape5.go | ||
escape_array.go | ||
escape_because.go | ||
escape_calls.go | ||
escape_closure.go | ||
escape_field.go | ||
escape_iface.go | ||
escape_indir.go | ||
escape_level.go | ||
escape_map.go | ||
escape_param.go | ||
escape_slice.go | ||
escape_struct_param1.go | ||
escape_struct_param2.go | ||
escape_struct_return.go | ||
escape.go | ||
fibo.go | ||
finprofiled.go | ||
float_lit2.go | ||
float_lit3.go | ||
float_lit.go | ||
floatcmp.go | ||
for.go | ||
func1.go | ||
func2.go | ||
func3.go | ||
func4.go | ||
func5.go | ||
func6.go | ||
func7.go | ||
func8.go | ||
func.go | ||
funcdup2.go | ||
funcdup.go | ||
gc1.go | ||
gc2.go | ||
gc.go | ||
gcgort.go | ||
gcstring.go | ||
goprint.go | ||
goprint.out | ||
goto.go | ||
heapsampling.go | ||
helloworld.go | ||
helloworld.out | ||
if.go | ||
import1.go | ||
import2.go | ||
import4.go | ||
import5.go | ||
import6.go | ||
import.go | ||
index0.go | ||
index1.go | ||
index2.go | ||
index.go | ||
indirect1.go | ||
indirect.go | ||
init1.go | ||
init.go | ||
initcomma.go | ||
initialize.go | ||
initializerr.go | ||
initloop.go | ||
inline_big.go | ||
inline_caller.go | ||
inline_callers.go | ||
inline_literal.go | ||
inline_math_bits_rotate.go | ||
inline_variadic.go | ||
inline.go | ||
int_lit.go | ||
intcvt.go | ||
intrinsic_atomic.go | ||
intrinsic.go | ||
iota.go | ||
label1.go | ||
label.go | ||
linkmain_run.go | ||
linkmain.go | ||
linkname.go | ||
linkobj.go | ||
linkx_run.go | ||
linkx.go | ||
literal2.go | ||
literal.go | ||
live1.go | ||
live2.go | ||
live_syscall.go | ||
live.go | ||
locklinear.go | ||
loopbce.go | ||
makechan.go | ||
makemap.go | ||
makenew.go | ||
mallocfin.go | ||
map1.go | ||
map.go | ||
mapclear.go | ||
maplinear.go | ||
mergemul.go | ||
method1.go | ||
method2.go | ||
method3.go | ||
method4.go | ||
method5.go | ||
method6.go | ||
method7.go | ||
method.go | ||
named1.go | ||
named.go | ||
nil.go | ||
nilcheck.go | ||
nilptr2.go | ||
nilptr3.go | ||
nilptr4.go | ||
nilptr5_aix.go | ||
nilptr5_wasm.go | ||
nilptr5.go | ||
nilptr_aix.go | ||
nilptr.go | ||
nosplit.go | ||
notinheap2.go | ||
notinheap3.go | ||
notinheap.go | ||
nowritebarrier.go | ||
nul1.go | ||
opt_branchlikely.go | ||
parentype.go | ||
peano.go | ||
phiopt.go | ||
print.go | ||
print.out | ||
printbig.go | ||
printbig.out | ||
prove.go | ||
range.go | ||
README.md | ||
recover1.go | ||
recover2.go | ||
recover3.go | ||
recover4.go | ||
recover5.go | ||
recover.go | ||
reflectmethod1.go | ||
reflectmethod2.go | ||
reflectmethod3.go | ||
reflectmethod4.go | ||
rename1.go | ||
rename.go | ||
reorder2.go | ||
reorder.go | ||
retjmp.go | ||
return.go | ||
rotate0.go | ||
rotate1.go | ||
rotate2.go | ||
rotate3.go | ||
rotate.go | ||
run.go | ||
rune.go | ||
runtime.go | ||
shift1.go | ||
shift2.go | ||
sieve.go | ||
sigchld.go | ||
sigchld.out | ||
simassign.go | ||
sinit_run.go | ||
sinit.go | ||
sizeof.go | ||
slice3.go | ||
slice3err.go | ||
slicecap.go | ||
sliceopt.go | ||
solitaire.go | ||
stack.go | ||
stackobj2.go | ||
stackobj3.go | ||
stackobj.go | ||
strcopy.go | ||
strength.go | ||
string_lit.go | ||
stringrange.go | ||
struct0.go | ||
switch2.go | ||
switch3.go | ||
switch4.go | ||
switch5.go | ||
switch6.go | ||
switch7.go | ||
switch.go | ||
tinyfin.go | ||
torture.go | ||
turing.go | ||
typecheck.go | ||
typecheckloop.go | ||
typeswitch1.go | ||
typeswitch2.go | ||
typeswitch3.go | ||
typeswitch.go | ||
uintptrescapes2.go | ||
uintptrescapes.go | ||
undef.go | ||
utf.go | ||
varerr.go | ||
varinit.go | ||
writebarrier.go | ||
zerodivide.go |
The test directory contains tests of the Go tool chain and runtime. It includes black box tests, regression tests, and error output tests. They are run as part of all.bash.
To run just these tests, execute:
../bin/go run run.go
Standard library tests should be written as regular Go tests in the appropriate package.
The tool chain and runtime also have regular Go tests in their packages. The main reasons to add a new test to this directory are:
- it is most naturally expressed using the test runner; or
- it is also applicable to
gccgo
and other Go tool chains.