diff options
Diffstat (limited to 'libevmasm/BlockDeduplicator.h')
| -rw-r--r-- | libevmasm/BlockDeduplicator.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libevmasm/BlockDeduplicator.h b/libevmasm/BlockDeduplicator.h index c48835fd..5ecab7f3 100644 --- a/libevmasm/BlockDeduplicator.h +++ b/libevmasm/BlockDeduplicator.h @@ -23,9 +23,12 @@ #pragma once +#include <libdevcore/Common.h> + #include <cstddef> #include <vector> #include <functional> +#include <map> namespace dev { @@ -45,6 +48,18 @@ public: BlockDeduplicator(AssemblyItems& _items): m_items(_items) {} /// @returns true if something was changed bool deduplicate(); + /// @returns the tags that were replaced. + std::map<u256, u256> const& replacedTags() const { return m_replacedTags; } + + /// Replaces all PushTag operations insied @a _items that match a key in + /// @a _replacements by the respective value. If @a _subID is not -1, only + /// apply the replacement for foreign tags from this sub id. + /// @returns true iff a replacement was performed. + static bool applyTagReplacement( + AssemblyItems& _items, + std::map<u256, u256> const& _replacements, + size_t _subID = size_t(-1) + ); private: /// Iterator that skips tags and skips to the end if (all branches of) the control @@ -70,6 +85,7 @@ private: AssemblyItem const* replaceWith; }; + std::map<u256, u256> m_replacedTags; AssemblyItems& m_items; }; |