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annotate tests/mini/complex1.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 | fbb1a366cfbc |
children |
rev | line source |
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90 | 1 module complex1; |
2 | |
3 void main() | |
4 { | |
104
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
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changeset
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5 cfloat cf1 = 3f + 0i; |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
diff
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6 cfloat cf2 = 4f + 1i; |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
diff
changeset
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7 cfloat cf3 = func(); |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
diff
changeset
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8 auto c1 = cf1 + cf2; |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
diff
changeset
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9 auto c2 = cf2 - cf3; |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
diff
changeset
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10 auto c3 = cf1 * cf3; |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
diff
changeset
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11 auto c4 = cf2 / cf3; |
90 | 12 } |
104
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
diff
changeset
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13 |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
diff
changeset
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14 cfloat func() |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
diff
changeset
|
15 { |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
diff
changeset
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16 return 3f + 1i; |
4d1e9eb001e0
[svn r108] Now basic suppport for complex types. =,+,-,*,/ are supported.
lindquist
parents:
90
diff
changeset
|
17 } |