diff options
Diffstat (limited to 'libevmasm/AssemblyItem.cpp')
-rw-r--r-- | libevmasm/AssemblyItem.cpp | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/libevmasm/AssemblyItem.cpp b/libevmasm/AssemblyItem.cpp index 599ded85..7bd93eaf 100644 --- a/libevmasm/AssemblyItem.cpp +++ b/libevmasm/AssemblyItem.cpp @@ -26,6 +26,29 @@ using namespace std; using namespace dev; using namespace dev::eth; +AssemblyItem AssemblyItem::toSubAssemblyTag(size_t _subId) const +{ + assertThrow(m_data < (u256(1) << 64), Exception, "Tag already has subassembly set."); + + assertThrow(m_type == PushTag || m_type == Tag, Exception, ""); + AssemblyItem r = *this; + r.m_type = PushTag; + r.setPushTagSubIdAndTag(_subId, size_t(m_data)); + return r; +} + +pair<size_t, size_t> AssemblyItem::splitForeignPushTag() const +{ + assertThrow(m_type == PushTag || m_type == Tag, Exception, ""); + return make_pair(size_t(m_data / (u256(1) << 64)) - 1, size_t(m_data)); +} + +void AssemblyItem::setPushTagSubIdAndTag(size_t _subId, size_t _tag) +{ + assertThrow(m_type == PushTag || m_type == Tag, Exception, ""); + setData(_tag + (u256(_subId + 1) << 64)); +} + unsigned AssemblyItem::bytesRequired(unsigned _addressLength) const { switch (m_type) @@ -104,8 +127,14 @@ ostream& dev::eth::operator<<(ostream& _out, AssemblyItem const& _item) _out << " PushString" << hex << (unsigned)_item.data(); break; case PushTag: - _out << " PushTag " << _item.data(); + { + size_t subId = _item.splitForeignPushTag().first; + if (subId == size_t(-1)) + _out << " PushTag " << _item.splitForeignPushTag().second; + else + _out << " PushTag " << subId << ":" << _item.splitForeignPushTag().second; break; + } case Tag: _out << " Tag " << _item.data(); break; @@ -113,10 +142,10 @@ ostream& dev::eth::operator<<(ostream& _out, AssemblyItem const& _item) _out << " PushData " << hex << (unsigned)_item.data(); break; case PushSub: - _out << " PushSub " << hex << h256(_item.data()).abridgedMiddle(); + _out << " PushSub " << hex << size_t(_item.data()); break; case PushSubSize: - _out << " PushSubSize " << hex << h256(_item.data()).abridgedMiddle(); + _out << " PushSubSize " << hex << size_t(_item.data()); break; case PushProgramSize: _out << " PushProgramSize"; |