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ABI decoder.

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chriseth committed 2017-11-29 17:08:44 +01:00
1 parent 7c69d88f93
commit bdc1ff8ec7
7 files changed
+505 -4
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libsolidity/codegen/CompilerUtils.cpp
+17
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@@ -319,6 +319,23 @@ void CompilerUtils::abiEncodeV2(
m_context << ret.tag();
}
void CompilerUtils::abiDecodeV2(TypePointers const& _parameterTypes, bool _fromMemory)
{
// stack: <source_offset>
auto ret = m_context.pushNewTag();
m_context << Instruction::SWAP1;
if (_fromMemory)
// TODO pass correct size for the memory case
m_context << (u256(1) << 63);
else
m_context << Instruction::CALLDATASIZE;
m_context << Instruction::SWAP1;
string decoderName = m_context.abiFunctions().tupleDecoder(_parameterTypes, _fromMemory);
m_context.appendJumpTo(m_context.namedTag(decoderName));
m_context.adjustStackOffset(int(sizeOnStack(_parameterTypes)) - 3);
m_context << ret.tag();
}
void CompilerUtils::zeroInitialiseMemoryArray(ArrayType const& _type)
{
auto repeat = m_context.newTag();