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| author | chriseth <chris@ethereum.org> | 2018-05-31 00:32:08 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-05-31 00:32:08 +0800 |
| commit | 5a73044fa77c0572a3a5375b0c557313e8c600a7 (patch) | |
| tree | b73bfd0559cc70eea3aa022a375bfe273e68445d /libsolidity/codegen/ArrayUtils.h | |
| parent | a77531d245d24d82e11858fb99ebfc9ec53b5d38 (diff) | |
| parent | fea0d116f7d95e9a39f0c80c5156cb3656b03ce0 (diff) | |
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Merge pull request #3743 from ethereum/popStorageArray
pop() for storage arrays
Diffstat (limited to 'libsolidity/codegen/ArrayUtils.h')
| -rw-r--r-- | libsolidity/codegen/ArrayUtils.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libsolidity/codegen/ArrayUtils.h b/libsolidity/codegen/ArrayUtils.h index 99786397..daf50bf5 100644 --- a/libsolidity/codegen/ArrayUtils.h +++ b/libsolidity/codegen/ArrayUtils.h @@ -73,6 +73,11 @@ public: /// Stack pre: reference (excludes byte offset) /// Stack post: new_length void incrementDynamicArraySize(ArrayType const& _type) const; + /// Decrements the size of a dynamic array by one if length is nonzero. Causes an invalid instruction otherwise. + /// Clears the removed data element. In case of a byte array, this might move the data. + /// Stack pre: reference + /// Stack post: + void popStorageArrayElement(ArrayType const& _type) const; /// Appends a loop that clears a sequence of storage slots of the given type (excluding end). /// Stack pre: end_ref start_ref /// Stack post: end_ref |