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view dmd/root/gnuc.c @ 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> |
---|---|
date | Sun, 14 Jun 2009 19:49:58 +0200 |
parents | 1853dcd9b944 |
children |
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// Put functions in here missing from gnu C #include "gnuc.h" int memicmp(const char *s1, const char *s2, int n) { int result = 0; for (int i = 0; i < n; i++) { char c1 = s1[i]; char c2 = s2[i]; result = c1 - c2; if (result) { if ('A' <= c1 && c1 <= 'Z') c1 += 'a' - 'A'; if ('A' <= c2 && c2 <= 'Z') c2 += 'a' - 'A'; result = c1 - c2; if (result) break; } } return result; } int stricmp(const char *s1, const char *s2) { int result = 0; for (;;) { char c1 = *s1; char c2 = *s2; result = c1 - c2; if (result) { if ('A' <= c1 && c1 <= 'Z') c1 += 'a' - 'A'; if ('A' <= c2 && c2 <= 'Z') c2 += 'a' - 'A'; result = c1 - c2; if (result) break; } if (!c1) break; s1++; s2++; } return result; }