本文整理汇总了C++中VarDeclaration::getConstInitializer方法的典型用法代码示例。如果您正苦于以下问题：C++ VarDeclaration::getConstInitializer方法的具体用法？C++ VarDeclaration::getConstInitializer怎么用？C++ VarDeclaration::getConstInitializer使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类VarDeclaration的用法示例。
在下文中一共展示了VarDeclaration::getConstInitializer方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: fill
//.........这里部分代码省略.........
if (elements)
{
if ((*elements)[j])
{
vx = NULL;
break;
}
}
else
{
vd->overlapped = true;
}
if (v2->init && v2->init->isVoidInitializer())
continue;
if (elements)
{
/* Prefer first found non-void-initialized field
* union U { int a; int b = 2; }
* U u; // Error: overlapping initialization for field a and b
*/
if (!vx)
vx = v2, fieldi = j;
else if (v2->init)
{
::error(loc, "overlapping initialization for field %s and %s",
v2->toChars(), vd->toChars());
}
}
else
{
// Will fix Bugzilla 1432 by enabling this path always
/* Prefer explicitly initialized field
* union U { int a; int b = 2; }
* U u; // OK (u.b == 2)
*/
if (!vx || !vx->init && v2->init)
vx = v2, fieldi = j;
else if (vx != vd &&
!(vx->offset < v2->offset + v2->type->size() &&
v2->offset < vx->offset + vx->type->size()))
{
// Both vx and v2 fills vd, but vx and v2 does not overlap
}
else if (vx->init && v2->init)
{
::error(loc, "overlapping default initialization for field %s and %s",
v2->toChars(), vd->toChars());
}
else
assert(vx->init || !vx->init && !v2->init);
}
}
if (elements && vx)
{
Expression *e;
if (vx->init)
{
assert(!vx->init->isVoidInitializer());
e = vx->getConstInitializer(false);
}
else
{
if ((vx->storage_class & STCnodefaultctor) && !ctorinit)
{
::error(loc, "field %s.%s must be initialized because it has no default constructor",
type->toChars(), vx->toChars());
}
/* Bugzilla 12509: Get the element of static array type.
*/
Type *telem = vx->type;
if (telem->ty == Tsarray)
{
telem = telem->baseElemOf();
if (telem->ty == Tvoid)
telem = Type::tuns8->addMod(telem->mod);
}
if (telem->needsNested() && ctorinit)
e = telem->defaultInit(loc);
else
e = telem->defaultInitLiteral(loc);
}
(*elements)[fieldi] = e;
}
}
if (elements)
{
for (size_t i = 0; i < elements->dim; i++)
{
Expression *e = (*elements)[i];
if (e && e->op == TOKerror)
return false;
}
}
return true;
}示例2: fill
//.........这里部分代码省略.........
vd->overlapped = true;
}
if (v2->init && v2->init->isVoidInitializer())
continue;
if (elements)
{
/* Prefer first found non-void-initialized field
* union U { int a; int b = 2; }
* U u; // Error: overlapping initialization for field a and b
*/
if (!vx)
vx = v2, fieldi = j;
else if (v2->init)
{
::error(loc, "overlapping initialization for field %s and %s",
v2->toChars(), vd->toChars());
}
}
else
{
// Will fix Bugzilla 1432 by enabling this path always
/* Prefer explicitly initialized field
* union U { int a; int b = 2; }
* U u; // OK (u.b == 2)
*/
if (!vx || !vx->init && v2->init)
vx = v2, fieldi = j;
else if (vx != vd &&
!(vx->offset < v2->offset + v2->type->size() &&
v2->offset < vx->offset + vx->type->size()))
{
// Both vx and v2 fills vd, but vx and v2 does not overlap
}
else if (vx->init && v2->init)
{
::error(loc, "overlapping default initialization for field %s and %s",
v2->toChars(), vd->toChars());
}
else
assert(vx->init || !vx->init && !v2->init);
}
}
if (elements && vx)
{
Expression *e;
if (vx->type->size() == 0)
{
e = NULL;
}
else if (vx->init)
{
assert(!vx->init->isVoidInitializer());
e = vx->getConstInitializer(false);
}
else
{
if ((vx->storage_class & STCnodefaultctor) && !ctorinit)
{
::error(loc, "field %s.%s must be initialized because it has no default constructor",
type->toChars(), vx->toChars());
}
/* Bugzilla 12509: Get the element of static array type.
*/
Type *telem = vx->type;
if (telem->ty == Tsarray)
{
/* We cannot use Type::baseElemOf() here.
* If the bottom of the Tsarray is an enum type, baseElemOf()
* will return the base of the enum, and its default initializer
* would be different from the enum's.
*/
while (telem->toBasetype()->ty == Tsarray)
telem = ((TypeSArray *)telem->toBasetype())->next;
if (telem->ty == Tvoid)
telem = Type::tuns8->addMod(telem->mod);
}
if (telem->needsNested() && ctorinit)
e = telem->defaultInit(loc);
else
e = telem->defaultInitLiteral(loc);
}
(*elements)[fieldi] = e;
}
}
if (elements)
{
for (size_t i = 0; i < elements->dim; i++)
{
Expression *e = (*elements)[i];
if (e && e->op == TOKerror)
return false;
}
}
return !errors;
}