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Add ..< operator for ranges; Add extra checking for bit set assignments

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gingerBill
2019-05-28 12:45:20 +01:00
parent 5697d6df74
commit 222941727f
8 changed files with 71 additions and 22 deletions
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src/check_type.cpp
+12 -2
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@@ -1044,8 +1044,18 @@ void check_bit_set_type(CheckerContext *c, Type *type, Type *named_type, Ast *no
bits = 8*type_size_of(type->BitSet.underlying);
}
if (upper - lower >= bits) {
error(bs->elem, "bit_set range is greater than %lld bits, %lld bits are required", bits, (upper-lower+1));
switch (be->op.kind) {
case Token_Ellipsis:
if (upper - lower >= bits) {
error(bs->elem, "bit_set range is greater than %lld bits, %lld bits are required", bits, (upper-lower+1));
}
break;
case Token_RangeHalf:
if (upper - lower > bits) {
error(bs->elem, "bit_set range is greater than %lld bits, %lld bits are required", bits, (upper-lower));
}
upper -= 1;
break;
}
type->BitSet.elem = t;
type->BitSet.lower = lower;