diff options
Diffstat (limited to 'libsolidity/ArrayUtils.h')
| -rw-r--r-- | libsolidity/ArrayUtils.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libsolidity/ArrayUtils.h b/libsolidity/ArrayUtils.h index 80ffc008..53d36c14 100644 --- a/libsolidity/ArrayUtils.h +++ b/libsolidity/ArrayUtils.h @@ -75,9 +75,14 @@ public: void convertLengthToSize(ArrayType const& _arrayType, bool _pad = false) const; /// Retrieves the length (number of elements) of the array ref on the stack. This also /// works for statically-sized arrays. + /// @param _stackDepth number of stack elements between top of stack and top (!) of reference /// Stack pre: reference (excludes byte offset for dynamic storage arrays) /// Stack post: reference length - void retrieveLength(ArrayType const& _arrayType) const; + void retrieveLength(ArrayType const& _arrayType, unsigned _stackDepth = 0) const; + /// Stores the length of an array of type @a _arrayType in storage. The length itself is stored + /// on the stack at position @a _stackDepthLength and the storage reference at @a _stackDepthRef. + /// If @a _arrayType is a byte array, takes tight coding into account. + void storeLength(ArrayType const& _arrayType, unsigned _stackDepthLength = 0, unsigned _stackDepthRef = 1) const; /// Performs bounds checking and returns a reference on the stack. /// Stack pre: reference [length] index /// Stack post (storage): storage_slot byte_offset |