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Carry partially evaluated arguments in frameslot
In order to be able to refer to the previously defined parameters, the frame will now carry such state in the additional `FrameSlot`. In order to avoid paying the penalty of resolving dynamic symbols for all closures, decided to bring back `InstantiateAtomNode`. See test cases for the previously crashing examples.
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Original file line number | Diff line number | Diff line change |
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from Standard.Base import all | ||
import Standard.Test | ||
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type Box | ||
type Foo (v : Bool = True) | ||
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type Bar (a : Integer = 1) (b : Box = (Foo False)) | ||
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type A a=0 b=1 | ||
type B a=2 b=(Foo True) | ||
type C a=3 b=Foo | ||
type D a=4 b=(Bar 1) | ||
type E a=5 b=a c=(b+1) | ||
type F a=6 b=(Foo False) c=(b.v) | ||
#type D a=4 b=Bar // will crash | ||
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spec = | ||
Test.group "Atom Constructors" <| | ||
Test.specify "should be allowed to use primitive default arguments" <| | ||
x = A 1 | ||
x.b.should_equal 1 | ||
y = A 1 | ||
y.b.should_equal 1 | ||
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Test.specify "should be allowed to use non-primitive default arguments" <| | ||
a = B 1 (Foo False) | ||
a.b.should_equal (Foo False) | ||
b = B 1 | ||
b.b.should_equal (Foo True) | ||
c = C 1 | ||
c.b.should_equal (Foo) | ||
d = D 1 | ||
d.b.b.should_equal (Foo False) | ||
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Test.specify "should be allowed to use default arguments that refer to previous parameters" <| | ||
e = E 1 | ||
e.b.should_equal 1 | ||
e.c.should_equal 2 | ||
f = F 1 | ||
f.c.should_equal False | ||
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main = Test.Suite.run_main here.spec |