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annotate tests/mini/bug189_interfacecast.d @ 1499:df11cdec45a2
Another shot at fixing the issues with (constant) struct literals and their addresses. See DMD2682, #218, #324.
The idea is to separate the notion of const from 'this variable can always be
replaced with its initializer' in the frontend. To do that, I introduced
Declaration::isSameAsInitializer, which is overridden in VarDeclaration to
return false for constants that have a struct literal initializer.
So
{{{
const S s = S(5);
void foo() { auto ps = &s; }
// is no longer replaced by
void foo() { auto ps = &(S(5)); }
}}}
To make taking the address of a struct constant with a struct-initializer
outside of function scope possible, I made sure that AddrExp::optimize doesn't
try to run the argument's optimization with WANTinterpret - that'd again
replace the constant with a struct literal temporary.
author | Christian Kamm <kamm incasoftware de> |
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date | Sun, 14 Jun 2009 19:49:58 +0200 |
parents | acc834cb1657 |
children |
rev | line source |
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acc834cb1657
Add testcase for #189 to mini tests.
Christian Kamm <kamm incasoftware de>
parents:
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1 interface I {} |
acc834cb1657
Add testcase for #189 to mini tests.
Christian Kamm <kamm incasoftware de>
parents:
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2 class A : I {} |
acc834cb1657
Add testcase for #189 to mini tests.
Christian Kamm <kamm incasoftware de>
parents:
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3 class B : A {} |
acc834cb1657
Add testcase for #189 to mini tests.
Christian Kamm <kamm incasoftware de>
parents:
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4 |
acc834cb1657
Add testcase for #189 to mini tests.
Christian Kamm <kamm incasoftware de>
parents:
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5 void main () { |
acc834cb1657
Add testcase for #189 to mini tests.
Christian Kamm <kamm incasoftware de>
parents:
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6 A a = new A; |
acc834cb1657
Add testcase for #189 to mini tests.
Christian Kamm <kamm incasoftware de>
parents:
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7 I i = a; |
acc834cb1657
Add testcase for #189 to mini tests.
Christian Kamm <kamm incasoftware de>
parents:
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8 |
acc834cb1657
Add testcase for #189 to mini tests.
Christian Kamm <kamm incasoftware de>
parents:
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9 assert(!cast(B)a); |
acc834cb1657
Add testcase for #189 to mini tests.
Christian Kamm <kamm incasoftware de>
parents:
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10 assert(!cast(B)i); |
acc834cb1657
Add testcase for #189 to mini tests.
Christian Kamm <kamm incasoftware de>
parents:
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changeset
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11 } |