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-rw-r--r--libsolidity/analysis/TypeChecker.cpp4
-rw-r--r--libsolidity/ast/Types.cpp21
-rw-r--r--libsolidity/ast/Types.h1
-rw-r--r--libsolidity/codegen/ArrayUtils.cpp2
-rw-r--r--libsolidity/codegen/CompilerUtils.cpp30
-rw-r--r--libsolidity/codegen/ContractCompiler.cpp4
-rw-r--r--libsolidity/codegen/ExpressionCompiler.cpp14
-rw-r--r--libsolidity/codegen/LValue.cpp4
-rw-r--r--libsolidity/grammar.txt8
-rw-r--r--libsolidity/interface/Exceptions.h1
-rw-r--r--libsolidity/interface/Utils.h6
-rw-r--r--libsolidity/parsing/Parser.cpp2
12 files changed, 65 insertions, 32 deletions
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp
index 46f4f7f6..f934b2c8 100644
--- a/libsolidity/analysis/TypeChecker.cpp
+++ b/libsolidity/analysis/TypeChecker.cpp
@@ -996,9 +996,9 @@ bool TypeChecker::visit(TupleExpression const& _tuple)
fatalTypeError(components[i]->location(), "Invalid mobile type.");
if (i == 0)
- inlineArrayType = types[i]->mobileType();
+ inlineArrayType = types[i];
else if (inlineArrayType)
- inlineArrayType = Type::commonType(inlineArrayType, types[i]->mobileType());
+ inlineArrayType = Type::commonType(inlineArrayType, types[i]);
}
}
else
diff --git a/libsolidity/ast/Types.cpp b/libsolidity/ast/Types.cpp
index 7fe97fa7..6ad74d28 100644
--- a/libsolidity/ast/Types.cpp
+++ b/libsolidity/ast/Types.cpp
@@ -200,10 +200,10 @@ TypePointer Type::commonType(TypePointer const& _a, TypePointer const& _b)
{
if (!_a || !_b)
return TypePointer();
- else if (_b->isImplicitlyConvertibleTo(*_a))
- return _a;
- else if (_a->isImplicitlyConvertibleTo(*_b))
- return _b;
+ else if (_b->isImplicitlyConvertibleTo(*_a->mobileType()))
+ return _a->mobileType();
+ else if (_a->isImplicitlyConvertibleTo(*_b->mobileType()))
+ return _b->mobileType();
else
return TypePointer();
}
@@ -1451,7 +1451,7 @@ u256 StructType::storageSize() const
string StructType::toString(bool _short) const
{
- string ret = "struct " + m_struct.name();
+ string ret = "struct " + m_struct.annotation().canonicalName;
if (!_short)
ret += " " + stringForReferencePart();
return ret;
@@ -1561,7 +1561,7 @@ bool EnumType::operator==(Type const& _other) const
unsigned EnumType::storageBytes() const
{
- size_t elements = m_enum.members().size();
+ size_t elements = numberOfMembers();
if (elements <= 1)
return 1;
else
@@ -1570,7 +1570,7 @@ unsigned EnumType::storageBytes() const
string EnumType::toString(bool) const
{
- return string("enum ") + m_enum.name();
+ return string("enum ") + m_enum.annotation().canonicalName;
}
string EnumType::canonicalName(bool) const
@@ -1578,9 +1578,14 @@ string EnumType::canonicalName(bool) const
return m_enum.annotation().canonicalName;
}
+size_t EnumType::numberOfMembers() const
+{
+ return m_enum.members().size();
+};
+
bool EnumType::isExplicitlyConvertibleTo(Type const& _convertTo) const
{
- return _convertTo.category() == category() || _convertTo.category() == Category::Integer;
+ return _convertTo == *this || _convertTo.category() == Category::Integer;
}
unsigned EnumType::memberValue(ASTString const& _member) const
diff --git a/libsolidity/ast/Types.h b/libsolidity/ast/Types.h
index 3f94d11a..082e16a6 100644
--- a/libsolidity/ast/Types.h
+++ b/libsolidity/ast/Types.h
@@ -738,6 +738,7 @@ public:
EnumDefinition const& enumDefinition() const { return m_enum; }
/// @returns the value that the string has in the Enum
unsigned int memberValue(ASTString const& _member) const;
+ size_t numberOfMembers() const;
private:
EnumDefinition const& m_enum;
diff --git a/libsolidity/codegen/ArrayUtils.cpp b/libsolidity/codegen/ArrayUtils.cpp
index e7e8a98e..b5f5cd8e 100644
--- a/libsolidity/codegen/ArrayUtils.cpp
+++ b/libsolidity/codegen/ArrayUtils.cpp
@@ -270,7 +270,7 @@ void ArrayUtils::copyArrayToStorage(ArrayType const& _targetType, ArrayType cons
void ArrayUtils::copyArrayToMemory(ArrayType const& _sourceType, bool _padToWordBoundaries) const
{
- solAssert(
+ solUnimplementedAssert(
!_sourceType.baseType()->isDynamicallySized(),
"Nested dynamic arrays not implemented here."
);
diff --git a/libsolidity/codegen/CompilerUtils.cpp b/libsolidity/codegen/CompilerUtils.cpp
index e064c1a6..58d1caa9 100644
--- a/libsolidity/codegen/CompilerUtils.cpp
+++ b/libsolidity/codegen/CompilerUtils.cpp
@@ -138,7 +138,7 @@ void CompilerUtils::storeInMemoryDynamic(Type const& _type, bool _padToWordBound
unsigned numBytes = prepareMemoryStore(_type, _padToWordBoundaries);
if (numBytes > 0)
{
- solAssert(
+ solUnimplementedAssert(
_type.sizeOnStack() == 1,
"Memory store of types with stack size != 1 not implemented."
);
@@ -161,7 +161,7 @@ void CompilerUtils::encodeToMemory(
solAssert(targetTypes.size() == _givenTypes.size(), "");
for (TypePointer& t: targetTypes)
{
- solAssert(
+ solUnimplementedAssert(
t->mobileType() &&
t->mobileType()->interfaceType(_encodeAsLibraryTypes) &&
t->mobileType()->interfaceType(_encodeAsLibraryTypes)->encodingType(),
@@ -315,6 +315,8 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
Type::Category stackTypeCategory = _typeOnStack.category();
Type::Category targetTypeCategory = _targetType.category();
+ bool enumOverflowCheckPending = (targetTypeCategory == Type::Category::Enum || stackTypeCategory == Type::Category::Enum);
+
switch (stackTypeCategory)
{
case Type::Category::FixedBytes:
@@ -348,10 +350,18 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
}
break;
case Type::Category::Enum:
- solAssert(targetTypeCategory == Type::Category::Integer || targetTypeCategory == Type::Category::Enum, "");
+ solAssert(_targetType == _typeOnStack || targetTypeCategory == Type::Category::Integer, "");
+ if (enumOverflowCheckPending)
+ {
+ EnumType const& enumType = dynamic_cast<decltype(enumType)>(_typeOnStack);
+ solAssert(enumType.numberOfMembers() > 0, "empty enum should have caused a parser error.");
+ m_context << u256(enumType.numberOfMembers() - 1) << Instruction::DUP2 << Instruction::GT;
+ m_context.appendConditionalJumpTo(m_context.errorTag());
+ enumOverflowCheckPending = false;
+ }
break;
case Type::Category::FixedPoint:
- solAssert(false, "Not yet implemented - FixedPointType.");
+ solUnimplemented("Not yet implemented - FixedPointType.");
case Type::Category::Integer:
case Type::Category::Contract:
case Type::Category::RationalNumber:
@@ -372,6 +382,11 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
solAssert(_typeOnStack.mobileType(), "");
// just clean
convertType(_typeOnStack, *_typeOnStack.mobileType(), true);
+ EnumType const& enumType = dynamic_cast<decltype(enumType)>(_targetType);
+ solAssert(enumType.numberOfMembers() > 0, "empty enum should have caused a parser error.");
+ m_context << u256(enumType.numberOfMembers() - 1) << Instruction::DUP2 << Instruction::GT;
+ m_context.appendConditionalJumpTo(m_context.errorTag());
+ enumOverflowCheckPending = false;
}
else if (targetTypeCategory == Type::Category::FixedPoint)
{
@@ -386,7 +401,7 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
if (auto typeOnStack = dynamic_cast<IntegerType const*>(&_typeOnStack))
if (targetFixedPointType.integerBits() > typeOnStack->numBits())
cleanHigherOrderBits(*typeOnStack);
- solAssert(false, "Not yet implemented - FixedPointType.");
+ solUnimplemented("Not yet implemented - FixedPointType.");
}
else
{
@@ -399,7 +414,7 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
RationalNumberType const& constType = dynamic_cast<RationalNumberType const&>(_typeOnStack);
// We know that the stack is clean, we only have to clean for a narrowing conversion
// where cleanup is forced.
- solAssert(!constType.isFractional(), "Not yet implemented - FixedPointType.");
+ solUnimplementedAssert(!constType.isFractional(), "Not yet implemented - FixedPointType.");
if (targetType.numBits() < constType.integerType()->numBits() && _cleanupNeeded)
cleanHigherOrderBits(targetType);
}
@@ -651,11 +666,14 @@ void CompilerUtils::convertType(Type const& _typeOnStack, Type const& _targetTyp
solAssert(_targetType == _typeOnStack, "Invalid conversion for bool.");
if (_cleanupNeeded)
m_context << Instruction::ISZERO << Instruction::ISZERO;
+ break;
default:
// All other types should not be convertible to non-equal types.
solAssert(_typeOnStack == _targetType, "Invalid type conversion requested.");
break;
}
+
+ solAssert(!enumOverflowCheckPending, "enum overflow checking missing.");
}
void CompilerUtils::pushZeroValue(Type const& _type)
diff --git a/libsolidity/codegen/ContractCompiler.cpp b/libsolidity/codegen/ContractCompiler.cpp
index 1404963f..2aec3055 100644
--- a/libsolidity/codegen/ContractCompiler.cpp
+++ b/libsolidity/codegen/ContractCompiler.cpp
@@ -296,10 +296,10 @@ void ContractCompiler::appendCalldataUnpacker(TypePointers const& _typeParameter
if (type->category() == Type::Category::Array)
{
auto const& arrayType = dynamic_cast<ArrayType const&>(*type);
- solAssert(!arrayType.baseType()->isDynamicallySized(), "Nested arrays not yet implemented.");
+ solUnimplementedAssert(!arrayType.baseType()->isDynamicallySized(), "Nested arrays not yet implemented.");
if (_fromMemory)
{
- solAssert(
+ solUnimplementedAssert(
arrayType.baseType()->isValueType(),
"Nested memory arrays not yet implemented here."
);
diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp
index 9a096e2d..e3f05c21 100644
--- a/libsolidity/codegen/ExpressionCompiler.cpp
+++ b/libsolidity/codegen/ExpressionCompiler.cpp
@@ -99,7 +99,7 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const&
if (auto mappingType = dynamic_cast<MappingType const*>(returnType.get()))
{
solAssert(CompilerUtils::freeMemoryPointer >= 0x40, "");
- solAssert(
+ solUnimplementedAssert(
!paramTypes[i]->isDynamicallySized(),
"Accessors for mapping with dynamically-sized keys not yet implemented."
);
@@ -211,7 +211,7 @@ bool ExpressionCompiler::visit(Assignment const& _assignment)
Token::Value op = _assignment.assignmentOperator();
if (op != Token::Assign) // compound assignment
{
- solAssert(_assignment.annotation().type->isValueType(), "Compound operators not implemented for non-value types.");
+ solUnimplementedAssert(_assignment.annotation().type->isValueType(), "Compound operators not implemented for non-value types.");
unsigned lvalueSize = m_currentLValue->sizeOnStack();
unsigned itemSize = _assignment.annotation().type->sizeOnStack();
if (lvalueSize > 0)
@@ -312,7 +312,7 @@ bool ExpressionCompiler::visit(UnaryOperation const& _unaryOperation)
if (!_unaryOperation.isPrefixOperation())
{
// store value for later
- solAssert(_unaryOperation.annotation().type->sizeOnStack() == 1, "Stack size != 1 not implemented.");
+ solUnimplementedAssert(_unaryOperation.annotation().type->sizeOnStack() == 1, "Stack size != 1 not implemented.");
m_context << Instruction::DUP1;
if (m_currentLValue->sizeOnStack() > 0)
for (unsigned i = 1 + m_currentLValue->sizeOnStack(); i > 0; --i)
@@ -1141,7 +1141,7 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
break;
case DataLocation::CallData:
//@todo if we implement this, the value in calldata has to be added to the base offset
- solAssert(!arrayType.baseType()->isDynamicallySized(), "Nested arrays not yet implemented.");
+ solUnimplementedAssert(!arrayType.baseType()->isDynamicallySized(), "Nested arrays not yet implemented.");
if (arrayType.baseType()->isValueType())
CompilerUtils(m_context).loadFromMemoryDynamic(
*arrayType.baseType(),
@@ -1318,7 +1318,7 @@ void ExpressionCompiler::appendArithmeticOperatorCode(Token::Value _operator, Ty
bool const c_isSigned = type.isSigned();
if (_type.category() == Type::Category::FixedPoint)
- solAssert(false, "Not yet implemented - FixedPointType.");
+ solUnimplemented("Not yet implemented - FixedPointType.");
switch (_operator)
{
@@ -1372,7 +1372,7 @@ void ExpressionCompiler::appendBitOperatorCode(Token::Value _operator)
void ExpressionCompiler::appendShiftOperatorCode(Token::Value _operator)
{
- BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Shift operators not yet implemented."));
+ BOOST_THROW_EXCEPTION(UnimplementedFeatureError() << errinfo_comment("Shift operators not yet implemented."));
switch (_operator)
{
case Token::SHL:
@@ -1634,7 +1634,7 @@ void ExpressionCompiler::appendExternalFunctionCall(
void ExpressionCompiler::appendExpressionCopyToMemory(Type const& _expectedType, Expression const& _expression)
{
- solAssert(_expectedType.isValueType(), "Not implemented for non-value types.");
+ solUnimplementedAssert(_expectedType.isValueType(), "Not implemented for non-value types.");
_expression.accept(*this);
utils().convertType(*_expression.annotation().type, _expectedType, true);
utils().storeInMemoryDynamic(_expectedType);
diff --git a/libsolidity/codegen/LValue.cpp b/libsolidity/codegen/LValue.cpp
index c1e05792..69a80b6a 100644
--- a/libsolidity/codegen/LValue.cpp
+++ b/libsolidity/codegen/LValue.cpp
@@ -120,7 +120,7 @@ void MemoryItem::storeValue(Type const& _sourceType, SourceLocation const&, bool
}
else
{
- solAssert(_sourceType == *m_dataType, "Conversion not implemented for assignment to memory.");
+ solUnimplementedAssert(_sourceType == *m_dataType, "Conversion not implemented for assignment to memory.");
solAssert(m_dataType->sizeOnStack() == 1, "");
if (!_move)
@@ -181,7 +181,7 @@ void StorageItem::retrieveValue(SourceLocation const&, bool _remove) const
<< u256(0x100) << Instruction::EXP << Instruction::SWAP1 << Instruction::DIV;
if (m_dataType->category() == Type::Category::FixedPoint)
// implementation should be very similar to the integer case.
- solAssert(false, "Not yet implemented - FixedPointType.");
+ solUnimplemented("Not yet implemented - FixedPointType.");
if (m_dataType->category() == Type::Category::FixedBytes)
m_context << (u256(0x1) << (256 - 8 * m_dataType->storageBytes())) << Instruction::MUL;
else if (
diff --git a/libsolidity/grammar.txt b/libsolidity/grammar.txt
index 586c41e9..6ad8994a 100644
--- a/libsolidity/grammar.txt
+++ b/libsolidity/grammar.txt
@@ -41,8 +41,8 @@ ArrayTypeName = TypeName StorageLocation? '[' Expression? ']'
StorageLocation = 'memory' | 'storage'
Block = '{' Statement* '}'
-Statement = IfStatement | WhileStatement | DoWhileStatement | ForStatement | Block |
- ( PlaceholderStatement | Continue | Break | Return |
+Statement = IfStatement | WhileStatement | ForStatement | Block |
+ ( DoWhileStatement | PlaceholderStatement | Continue | Break | Return |
Throw | SimpleStatement ) ';'
ExpressionStatement = Expression
@@ -51,7 +51,7 @@ WhileStatement = 'while' '(' Expression ')' Statement
PlaceholderStatement = '_'
SimpleStatement = VariableDefinition | ExpressionStatement
ForStatement = 'for' '(' (SimpleStatement)? ';' (Expression)? ';' (ExpressionStatement)? ')' Statement
-DoWhileStatement = 'do' Statement 'while' '(' Expression ')' ';'
+DoWhileStatement = 'do' Statement 'while' '(' Expression ')'
Continue = 'continue'
Break = 'break'
Return = 'return' Expression?
@@ -65,7 +65,7 @@ Expression =
| Expression '**' Expression
| Expression ('*' | '/' | '%') Expression
| Expression ('+' | '-') Expression
- | Expression ('<<' | '>>' | '>>>')
+ | Expression ('<<' | '>>')
| Expression '&' Expression
| Expression '^' Expression
| Expression '|' Expression
diff --git a/libsolidity/interface/Exceptions.h b/libsolidity/interface/Exceptions.h
index 07835320..c651548a 100644
--- a/libsolidity/interface/Exceptions.h
+++ b/libsolidity/interface/Exceptions.h
@@ -37,6 +37,7 @@ using ErrorList = std::vector<std::shared_ptr<Error const>>;
struct CompilerError: virtual Exception {};
struct InternalCompilerError: virtual Exception {};
struct FatalError: virtual Exception {};
+struct UnimplementedFeatureError: virtual Exception{};
class Error: virtual public Exception
{
diff --git a/libsolidity/interface/Utils.h b/libsolidity/interface/Utils.h
index 738669ac..eef8c917 100644
--- a/libsolidity/interface/Utils.h
+++ b/libsolidity/interface/Utils.h
@@ -30,6 +30,7 @@ namespace dev
namespace solidity
{
struct InternalCompilerError;
+struct UnimplementedFeatureError;
}
}
@@ -37,3 +38,8 @@ struct InternalCompilerError;
#define solAssert(CONDITION, DESCRIPTION) \
assertThrow(CONDITION, ::dev::solidity::InternalCompilerError, DESCRIPTION)
+#define solUnimplementedAssert(CONDITION, DESCRIPTION) \
+ assertThrow(CONDITION, ::dev::solidity::UnimplementedFeatureError, DESCRIPTION)
+
+#define solUnimplemented(DESCRIPTION) \
+ solUnimplementedAssert(false, DESCRIPTION)
diff --git a/libsolidity/parsing/Parser.cpp b/libsolidity/parsing/Parser.cpp
index 52b53619..df3ed7b2 100644
--- a/libsolidity/parsing/Parser.cpp
+++ b/libsolidity/parsing/Parser.cpp
@@ -406,6 +406,8 @@ ASTPointer<EnumDefinition> Parser::parseEnumDefinition()
if (m_scanner->currentToken() != Token::Identifier)
fatalParserError(string("Expected Identifier after ','"));
}
+ if (members.size() == 0)
+ parserError({"enum with no members is not allowed."});
nodeFactory.markEndPosition();
expectToken(Token::RBrace);