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Merge branch 'develop' of github.com:ethereum/cpp-ethereum into develop

cl-refactor
Gav Wood 10 years ago
parent
2ad558b9a9 1a8c52860c
commit
11d972c34f
6 changed files with 155 additions and 116 deletions
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  1. 104
      libsolidity/ArrayUtils.cpp
  2. 6
      libsolidity/ArrayUtils.h
  3. 103
      libsolidity/ExpressionCompiler.cpp
  4. 10
      mix/qml/CodeEditorView.qml
  5. 7
      mix/qml/WebPreview.qml
  6. 35
      test/ClientBase.cpp

104
libsolidity/ArrayUtils.cpp
View File

@ -440,6 +440,110 @@ void ArrayUtils::retrieveLength(ArrayType const& _arrayType) const
}
}
void ArrayUtils::accessIndex(ArrayType const& _arrayType) const
{
ArrayType::Location location = _arrayType.getLocation();
eth::Instruction load =
location == ArrayType::Location::Storage ? eth::Instruction::SLOAD :
location == ArrayType::Location::Memory ? eth::Instruction::MLOAD :
eth::Instruction::CALLDATALOAD;
// retrieve length
if (!_arrayType.isDynamicallySized())
m_context << _arrayType.getLength();
else if (location == ArrayType::Location::CallData)
// length is stored on the stack
m_context << eth::Instruction::SWAP1;
else
m_context << eth::Instruction::DUP2 << load;
// stack: <base_ref> <index> <length>
// check out-of-bounds access
m_context << eth::Instruction::DUP2 << eth::Instruction::LT;
eth::AssemblyItem legalAccess = m_context.appendConditionalJump();
// out-of-bounds access throws exception (just STOP for now)
m_context << eth::Instruction::STOP;
m_context << legalAccess;
// stack: <base_ref> <index>
if (_arrayType.isByteArray())
switch (location)
{
case ArrayType::Location::Storage:
// byte array index storage lvalue on stack (goal):
// <ref> <byte_number> = <base_ref + index / 32> <index % 32>
m_context << u256(32) << eth::Instruction::SWAP2;
CompilerUtils(m_context).computeHashStatic();
// stack: 32 index data_ref
m_context
<< eth::Instruction::DUP3 << eth::Instruction::DUP3
<< eth::Instruction::DIV << eth::Instruction::ADD
// stack: 32 index (data_ref + index / 32)
<< eth::Instruction::SWAP2 << eth::Instruction::SWAP1
<< eth::Instruction::MOD;
break;
case ArrayType::Location::CallData:
// no lvalue, just retrieve the value
m_context
<< eth::Instruction::ADD << eth::Instruction::CALLDATALOAD
<< ((u256(0xff) << (256 - 8))) << eth::Instruction::AND;
break;
case ArrayType::Location::Memory:
solAssert(false, "Memory lvalues not yet implemented.");
}
else
{
// stack: <base_ref> <index>
m_context << eth::Instruction::SWAP1;
if (_arrayType.isDynamicallySized())
{
if (location == ArrayType::Location::Storage)
CompilerUtils(m_context).computeHashStatic();
else if (location == ArrayType::Location::Memory)
m_context << u256(32) << eth::Instruction::ADD;
}
// stack: <index> <data_ref>
switch (location)
{
case ArrayType::Location::CallData:
m_context
<< eth::Instruction::SWAP1 << _arrayType.getBaseType()->getCalldataEncodedSize()
<< eth::Instruction::MUL << eth::Instruction::ADD;
if (_arrayType.getBaseType()->isValueType())
CompilerUtils(m_context).loadFromMemoryDynamic(*_arrayType.getBaseType(), true, true, false);
break;
case ArrayType::Location::Storage:
m_context << eth::Instruction::SWAP1;
if (_arrayType.getBaseType()->getStorageBytes() <= 16)
{
// stack: <data_ref> <index>
// goal:
// <ref> <byte_number> = <base_ref + index / itemsPerSlot> <(index % itemsPerSlot) * byteSize>
unsigned byteSize = _arrayType.getBaseType()->getStorageBytes();
solAssert(byteSize != 0, "");
unsigned itemsPerSlot = 32 / byteSize;
m_context << u256(itemsPerSlot) << eth::Instruction::SWAP2;
// stack: itemsPerSlot index data_ref
m_context
<< eth::Instruction::DUP3 << eth::Instruction::DUP3
<< eth::Instruction::DIV << eth::Instruction::ADD
// stack: itemsPerSlot index (data_ref + index / itemsPerSlot)
<< eth::Instruction::SWAP2 << eth::Instruction::SWAP1
<< eth::Instruction::MOD
<< u256(byteSize) << eth::Instruction::MUL;
}
else
{
if (_arrayType.getBaseType()->getStorageSize() != 1)
m_context << _arrayType.getBaseType()->getStorageSize() << eth::Instruction::MUL;
m_context << eth::Instruction::ADD << u256(0);
}
break;
case ArrayType::Location::Memory:
solAssert(false, "Memory lvalues not yet implemented.");
}
}
}
void ArrayUtils::incrementByteOffset(unsigned _byteSize, unsigned _byteOffsetPosition, unsigned _storageOffsetPosition) const
{
solAssert(_byteSize < 32, "");

6
libsolidity/ArrayUtils.h
View File

@ -70,6 +70,12 @@ public:
/// Stack pre: reference (excludes byte offset for dynamic storage arrays)
/// Stack post: reference length
void retrieveLength(ArrayType const& _arrayType) const;
/// Retrieves the value at a specific index. If the location is storage, only retrieves the
/// position.
/// Stack pre: reference [length] index
/// Stack post for storage: slot byte_offset
/// Stack post for calldata: value
void accessIndex(ArrayType const& _arrayType) const;
private:
/// Adds the given number of bytes to a storage byte offset counter and also increments

103
libsolidity/ExpressionCompiler.cpp
View File

@ -755,113 +755,20 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
{
ArrayType const& arrayType = dynamic_cast<ArrayType const&>(baseType);
solAssert(_indexAccess.getIndexExpression(), "Index expression expected.");
ArrayType::Location location = arrayType.getLocation();
eth::Instruction load =
location == ArrayType::Location::Storage ? eth::Instruction::SLOAD :
location == ArrayType::Location::Memory ? eth::Instruction::MLOAD :
eth::Instruction::CALLDATALOAD;
// remove storage byte offset
if (location == ArrayType::Location::Storage)
if (arrayType.getLocation() == ArrayType::Location::Storage)
m_context << eth::Instruction::POP;
// stack layout: <base_ref> [<length>] <index>
_indexAccess.getIndexExpression()->accept(*this);
// retrieve length
if (!arrayType.isDynamicallySized())
m_context << arrayType.getLength();
else if (location == ArrayType::Location::CallData)
// length is stored on the stack
m_context << eth::Instruction::SWAP1;
else
m_context << eth::Instruction::DUP2 << load;
// stack: <base_ref> <index> <length>
// check out-of-bounds access
m_context << eth::Instruction::DUP2 << eth::Instruction::LT;
eth::AssemblyItem legalAccess = m_context.appendConditionalJump();
// out-of-bounds access throws exception (just STOP for now)
m_context << eth::Instruction::STOP;
m_context << legalAccess;
// stack: <base_ref> <index>
if (arrayType.isByteArray())
switch (location)
// stack layout: <base_ref> [<length>] <index>
ArrayUtils(m_context).accessIndex(arrayType);
if (arrayType.getLocation() == ArrayType::Location::Storage)
{
case ArrayType::Location::Storage:
// byte array index storage lvalue on stack (goal):
// <ref> <byte_number> = <base_ref + index / 32> <index % 32>
m_context << u256(32) << eth::Instruction::SWAP2;
CompilerUtils(m_context).computeHashStatic();
// stack: 32 index data_ref
m_context
<< eth::Instruction::DUP3 << eth::Instruction::DUP3
<< eth::Instruction::DIV << eth::Instruction::ADD
// stack: 32 index (data_ref + index / 32)
<< eth::Instruction::SWAP2 << eth::Instruction::SWAP1
<< eth::Instruction::MOD;
if (arrayType.isByteArray())
setLValue<StorageByteArrayElement>(_indexAccess);
break;
case ArrayType::Location::CallData:
// no lvalue, just retrieve the value
m_context
<< eth::Instruction::ADD << eth::Instruction::CALLDATALOAD
<< ((u256(0xff) << (256 - 8))) << eth::Instruction::AND;
break;
case ArrayType::Location::Memory:
solAssert(false, "Memory lvalues not yet implemented.");
}
else
{
// stack: <base_ref> <index>
m_context << eth::Instruction::SWAP1;
if (arrayType.isDynamicallySized())
{
if (location == ArrayType::Location::Storage)
CompilerUtils(m_context).computeHashStatic();
else if (location == ArrayType::Location::Memory)
m_context << u256(32) << eth::Instruction::ADD;
}
// stack: <index> <data_ref>
switch (location)
{
case ArrayType::Location::CallData:
m_context
<< eth::Instruction::SWAP1 << arrayType.getBaseType()->getCalldataEncodedSize()
<< eth::Instruction::MUL << eth::Instruction::ADD;
if (arrayType.getBaseType()->isValueType())
CompilerUtils(m_context).loadFromMemoryDynamic(*arrayType.getBaseType(), true, true, false);
break;
case ArrayType::Location::Storage:
m_context << eth::Instruction::SWAP1;
if (arrayType.getBaseType()->getStorageBytes() <= 16)
{
// stack: <data_ref> <index>
// goal:
// <ref> <byte_number> = <base_ref + index / itemsPerSlot> <(index % itemsPerSlot) * byteSize>
unsigned byteSize = arrayType.getBaseType()->getStorageBytes();
solAssert(byteSize != 0, "");
unsigned itemsPerSlot = 32 / byteSize;
m_context << u256(itemsPerSlot) << eth::Instruction::SWAP2;
// stack: itemsPerSlot index data_ref
m_context
<< eth::Instruction::DUP3 << eth::Instruction::DUP3
<< eth::Instruction::DIV << eth::Instruction::ADD
// stack: itemsPerSlot index (data_ref + index / itemsPerSlot)
<< eth::Instruction::SWAP2 << eth::Instruction::SWAP1
<< eth::Instruction::MOD
<< u256(byteSize) << eth::Instruction::MUL;
}
else
{
if (arrayType.getBaseType()->getStorageSize() != 1)
m_context << arrayType.getBaseType()->getStorageSize() << eth::Instruction::MUL;
m_context << eth::Instruction::ADD << u256(0);
}
setLValueToStorageItem(_indexAccess);
break;
case ArrayType::Location::Memory:
solAssert(false, "Memory lvalues not yet implemented.");
}
}
}
else

10
mix/qml/CodeEditorView.qml
View File

@ -11,6 +11,16 @@ Item {
signal breakpointsChanged(string documentId)
signal isCleanChanged(var isClean, string documentId)
function getDocumentIdByName(fileName)
{
for (var i = 0; i < editorListModel.count; i++) {
if (editorListModel.get(i).fileName === fileName) {
return editorListModel.get(i).documentId;
}
}
return null;
}
function getDocumentText(documentId) {
for (var i = 0; i < editorListModel.count; i++) {
if (editorListModel.get(i).documentId === documentId) {

7
mix/qml/WebPreview.qml
View File

@ -155,18 +155,19 @@ Item {
//document request
if (urlPath === "/")
urlPath = "/index.html";
var documentId = urlPath.substr(urlPath.lastIndexOf("/") + 1);
var documentName = urlPath.substr(urlPath.lastIndexOf("/") + 1);
var documentId = projectModel.codeEditor.getDocumentIdByName(documentName);
var content = "";
if (projectModel.codeEditor.isDocumentOpen(documentId))
content = projectModel.codeEditor.getDocumentText(documentId);
else
{
var doc = projectModel.getDocument(documentId);
if (doc !== undefined)
if (doc)
content = fileIo.readFile(doc.path);
}
if (documentId === urlInput.text.replace(httpServer.url + "/", "")) {
if (documentName === urlInput.text.replace(httpServer.url + "/", "")) {
//root page, inject deployment script
content = "<script>web3=parent.web3;contracts=parent.contracts;</script>\n" + content;
_request.setResponseContentType("text/html");

35
test/ClientBase.cpp
View File

@ -34,34 +34,45 @@ BOOST_AUTO_TEST_CASE(blocks)
{
enumerateClients([](Json::Value const& _json, dev::eth::ClientBase& _client) -> void
{
for (string const& name: _json["postState"].getMemberNames())
auto compareState = [&_client](Json::Value const& _o, string const& _name, BlockNumber _blockNumber) -> void
{
Json::Value o = _json["postState"][name];
Address address(name);
Address address(_name);
// balanceAt
u256 expectedBalance = u256(o["balance"].asString());
u256 balance = _client.balanceAt(address);
u256 expectedBalance = u256(_o["balance"].asString());
u256 balance = _client.balanceAt(address, _blockNumber);
ETH_CHECK_EQUAL(expectedBalance, balance);
// countAt
u256 expectedCount = u256(o["nonce"].asString());
u256 count = _client.countAt(address);
u256 expectedCount = u256(_o["nonce"].asString());
u256 count = _client.countAt(address, _blockNumber);
ETH_CHECK_EQUAL(expectedCount, count);
// stateAt
for (string const& pos: o["storage"].getMemberNames())
for (string const& pos: _o["storage"].getMemberNames())
{
u256 expectedState = u256(o["storage"][pos].asString());
u256 state = _client.stateAt(address, u256(pos));
u256 expectedState = u256(_o["storage"][pos].asString());
u256 state = _client.stateAt(address, u256(pos), _blockNumber);
ETH_CHECK_EQUAL(expectedState, state);
}
// codeAt
bytes expectedCode = fromHex(o["code"].asString());
bytes code = _client.codeAt(address);
bytes expectedCode = fromHex(_o["code"].asString());
bytes code = _client.codeAt(address, _blockNumber);
ETH_CHECK_EQUAL_COLLECTIONS(expectedCode.begin(), expectedCode.end(),
code.begin(), code.end());
};
for (string const& name: _json["postState"].getMemberNames())
{
Json::Value o = _json["postState"][name];
compareState(o, name, PendingBlock);
}
for (string const& name: _json["pre"].getMemberNames())
{
Json::Value o = _json["pre"][name];
compareState(o, name, 0);
}
// number

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