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Fix fat pointers, object copying, magic double evals on JS (#9411) [backport]

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* Add a test for issue #9389

* Fixes #9389.

* Make object contructors copy objects properly by checking whether the expressions passed to them don't need to be copied.
* Make mArrToSeq implementation actually check if a copy needs to be made.

* Avoid unnecessary copy in mChr impl

* Assume set constructor elements need no copy

* Add a test for issue #9410

* Add a test

* fix passing fat pointers (#9410)

* Enhance tests

* More tests and fixes

* Add more (failing) tests [ci skip]

* Added equality operator for fat pointers, more tests and fixes

* Fix printing uninitialized strings

* Fix mInc, mDec double eval, add more tests

* Tests

* Refactored, fixed multiple evals, revamped the tests, added missing ops

* Fix ups

* Fix #9643 and #9644

* add pointer normalization
This commit is contained in:
rec 2018-12-04 12:04:27 +01:00 • committed by Andreas Rumpf
commit e3e5ae287f
6 changed files with 745 additions and 83 deletions
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35
tests/js/tcopying.nim
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@ -2,6 +2,10 @@ discard """
output: '''123
2 9
2 9
1 124
true false
100 300 100
1
'''
"""
@ -35,3 +39,34 @@ block:
obj.ary2[1] = 9
echo ary1[1], " ", obj.ary2[1]
block:
type TestObj = object
x, y: int
let obj = TestObj(x: 1, y: 2)
var s = @[obj]
s[0].x += 123
echo obj.x, " ", s[0].x
block:
var nums = {1, 2, 3, 4}
let obj = (n: nums)
nums.incl 5
echo (5 in nums), " ", (5 in obj.n)
block:
let tup1 = (a: 100)
var tup2 = (t: (t2: tup1))
var tup3 = tup1
tup2.t.t2.a = 300
echo tup1.a, " ", tup2.t.t2.a, " ", tup3.a
block:
proc foo(arr: array[2, int]) =
var s = @arr
s[0] = 500
var nums = [1, 2]
foo(nums)
echo nums[0]