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annotate tests/mini/arrays8.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 | 1bb99290e03a |
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[svn r62] Added support for TypeInfo _Array, _Function, _Pointer, _Delegate, _Enum
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1 module arrays8; |
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2 |
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c44e6a711885
[svn r191] Fixed: array literals did not support all type/storage combinations.
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3 extern(C) int printf(char*, ...); |
c44e6a711885
[svn r191] Fixed: array literals did not support all type/storage combinations.
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4 |
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5 void main() |
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6 { |
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7 char[] a = "hello "; |
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8 printf(" \"%s\".length = %u\n", a.ptr, a.length); |
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9 char[] b = "world"; |
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10 printf(" \"%s\".length = %u\n", b.ptr, b.length); |
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11 char[] c = a ~ b; |
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12 printf("After 'a ~ b':\n"); |
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13 printf(" \"%.*s\".length = %u\n", a.length, a.ptr, a.length); |
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14 printf(" \"%.*s\".length = %u\n", b.length, b.ptr, b.length); |
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15 printf(" \"%.*s\".length = %u\n", c.length, c.ptr, c.length); |
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16 assert(c.length == a.length + b.length); |
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17 assert(c !is a); |
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18 assert(c !is b); |
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19 } |