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Merged dmd 2.059beta

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This commit is contained in:
Alexey Prokhin
2012-04-05 11:47:00 +04:00
parent 50bbeb7c6f f2237662df
commit bca73ec8b9
77 changed files with 6909 additions and 2243 deletions
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21
dmd2/enum.c
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@@ -169,6 +169,7 @@ void EnumDeclaration::semantic(Scope *sc)
{
EnumMember *em = (*members)[i]->isEnumMember();
Expression *e;
Expression *emax = NULL;
if (!em)
/* The e->semantic(sce) can insert other symbols, such as
@@ -219,10 +220,18 @@ void EnumDeclaration::semantic(Scope *sc)
}
else
{
// Lazily evaluate enum.max
if (!emax)
{
emax = t->getProperty(0, Id::max);
emax = emax->semantic(sce);
emax = emax->optimize(WANTvalue | WANTinterpret);
}
// Set value to (elast + 1).
// But first check that (elast != t.max)
assert(elast);
e = new EqualExp(TOKequal, em->loc, elast, t->getProperty(0, Id::max));
e = new EqualExp(TOKequal, em->loc, elast, emax);
e = e->semantic(sce);
e = e->optimize(WANTvalue | WANTinterpret);
if (e->toInteger())
@@ -233,6 +242,16 @@ void EnumDeclaration::semantic(Scope *sc)
e = e->semantic(sce);
e = e->castTo(sce, elast->type);
e = e->optimize(WANTvalue | WANTinterpret);
if (t->isfloating())
{
// Check that e != elast (not always true for floats)
Expression *etest = new EqualExp(TOKequal, em->loc, e, elast);
etest = etest->semantic(sce);
etest = etest->optimize(WANTvalue | WANTinterpret);
if (etest->toInteger())
error("enum member %s has inexact value, due to loss of precision", em->toChars());
}
}
elast = e;
em->value = e;