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rt: Implement comparison of functions, objects, ports, channels, and tasks

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This commit is contained in:
Patrick Walton 2011-08-09 16:26:03 -07:00
parent ade998d743
commit 1f8e0fa083
1 changed files with 21 additions and 1 deletions
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22
src/rt/rust_shape.cpp
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@ -1031,11 +1031,25 @@ private:
void walk_vec(bool align, bool is_pod,
const std::pair<ptr_pair,ptr_pair> &data_range);
void walk_subcontext(bool align, cmp &sub) {
inline void walk_subcontext(bool align, cmp &sub) {
sub.walk(align);
result = sub.result;
}
inline void cmp_two_pointers(bool align) {
if (align) dp = align_to(dp, ALIGNOF(uint8_t *) * 2);
data_pair<uint8_t *> fst = bump_dp<uint8_t *>(dp);
data_pair<uint8_t *> snd = bump_dp<uint8_t *>(dp);
cmp_number(fst);
if (!result)
cmp_number(snd);
}
inline void cmp_pointer(bool align) {
if (align) dp = align_to(dp, ALIGNOF(uint8_t *));
cmp_number(bump_dp<uint8_t *>(dp));
}
template<typename T>
void cmp_number(const data_pair<T> &nums) {
result = (nums.fst < nums.snd) ? -1 : (nums.fst == nums.snd) ? 0 : 1;
@ -1078,6 +1092,12 @@ public:
return walk_vec(align, is_pod, get_ivec_data_range(dp));
}
void walk_fn(bool align) { return cmp_two_pointers(align); }
void walk_obj(bool align) { return cmp_two_pointers(align); }
void walk_port(bool align) { return cmp_pointer(align); }
void walk_chan(bool align) { return cmp_pointer(align); }
void walk_task(bool align) { return cmp_pointer(align); }
void walk_tag(bool align, tag_info &tinfo,
const data_pair<uint32_t> &tag_variants);
void walk_box(bool align);