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|
discard """
cmd: '''nim c -d:nimAllocStats --gc:arc $file'''
output: '''hi
ho
ha
@["arg", "asdfklasdfkl", "asdkfj", "dfasj", "klfjl"]
@[1, 2, 3]
@["red", "yellow", "orange", "rtrt1", "pink"]
a: @[4, 2, 3]
0
30
true
(allocCount: 27, deallocCount: 27)'''
"""
include system / ansi_c
proc main =
var s: seq[string] = @[]
for i in 0..<80: s.add "foo"
main()
const
test = @["hi", "ho", "ha"]
for t in test:
echo t
type
InterpolatedKind* = enum
ikStr, ## ``str`` part of the interpolated string
ikDollar, ## escaped ``$`` part of the interpolated string
ikVar, ## ``var`` part of the interpolated string
ikExpr ## ``expr`` part of the interpolated string
iterator interpolatedFragments*(s: string): tuple[kind: InterpolatedKind,
value: string] =
var i = 0
var kind: InterpolatedKind
while true:
var j = i
if j < s.len and s[j] == '$':
if j+1 < s.len and s[j+1] == '{':
inc j, 2
var nesting = 0
block curlies:
while j < s.len:
case s[j]
of '{': inc nesting
of '}':
if nesting == 0:
inc j
break curlies
dec nesting
else: discard
inc j
raise newException(ValueError,
"Expected closing '}': " & substr(s, i, s.high))
inc i, 2 # skip ${
kind = ikExpr
elif j+1 < s.len and s[j+1] in {'A'..'Z', 'a'..'z', '_'}:
inc j, 2
while j < s.len and s[j] in {'A'..'Z', 'a'..'z', '0'..'9', '_'}: inc(j)
inc i # skip $
kind = ikVar
elif j+1 < s.len and s[j+1] == '$':
inc j, 2
inc i # skip $
kind = ikDollar
else:
raise newException(ValueError,
"Unable to parse a varible name at " & substr(s, i, s.high))
else:
while j < s.len and s[j] != '$': inc j
kind = ikStr
if j > i:
# do not copy the trailing } for ikExpr:
yield (kind, substr(s, i, j-1-ord(kind == ikExpr)))
else:
break
i = j
proc parseCmdLine(c: string): seq[string] =
result = @[]
var i = 0
var a = ""
while true:
setLen(a, 0)
while i < c.len and c[i] in {' ', '\t', '\l', '\r'}: inc(i)
if i >= c.len: break
var inQuote = false
while i < c.len:
case c[i]
of '\\':
var j = i
while j < c.len and c[j] == '\\': inc(j)
if j < c.len and c[j] == '"':
for k in 1..(j-i) div 2: a.add('\\')
if (j-i) mod 2 == 0:
i = j
else:
a.add('"')
i = j+1
else:
a.add(c[i])
inc(i)
of '"':
inc(i)
if not inQuote: inQuote = true
elif i < c.len and c[i] == '"':
a.add(c[i])
inc(i)
else:
inQuote = false
break
of ' ', '\t':
if not inQuote: break
a.add(c[i])
inc(i)
else:
a.add(c[i])
inc(i)
add(result, a)
proc other =
let input = "$test{} $this is ${an{ example}} "
let expected = @[(ikVar, "test"), (ikStr, "{} "), (ikVar, "this"),
(ikStr, " is "), (ikExpr, "an{ example}"), (ikStr, " ")]
var i = 0
for s in interpolatedFragments(input):
doAssert s == expected[i]
inc i
echo parseCmdLine("arg asdfklasdfkl asdkfj dfasj klfjl")
other()
# bug #11050
type
Obj* = object
f*: seq[int]
method main(o: Obj) {.base.} =
for newb in o.f:
discard
# test that o.f was not moved!
proc testforNoMove =
var o = Obj(f: @[1, 2, 3])
main(o)
echo o.f
testforNoMove()
# bug #11065
type
Warm = seq[string]
proc testWarm =
var w: Warm
w = @["red", "yellow", "orange"]
var x = "rt"
var y = "rt1"
w.add(x & y)
w.add("pink")
echo w
testWarm()
proc mutConstSeq() =
# bug #11524
var a = @[1,2,3]
a[0] = 4
echo "a: ", a
mutConstSeq()
proc mainSeqOfCap =
# bug #11098
var s = newSeqOfCap[int](10)
echo s.len
var s2 = newSeqUninitialized[int](30)
echo s2.len
mainSeqOfCap()
# bug #11614
let ga = "foo"
proc takeAinArray =
let b = [ga]
takeAinArray()
echo ga == "foo"
echo getAllocStats()
|
