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-rw-r--r--AST.cpp37
-rw-r--r--Exceptions.cpp47
-rw-r--r--Exceptions.h43
-rw-r--r--NameAndTypeResolver.cpp9
-rw-r--r--Parser.cpp11
-rw-r--r--Types.cpp2
6 files changed, 111 insertions, 38 deletions
diff --git a/AST.cpp b/AST.cpp
index 15da9e0d..0671ecd7 100644
--- a/AST.cpp
+++ b/AST.cpp
@@ -252,8 +252,8 @@ void Statement::expectType(Expression& _expression, const Type& _expectedType)
{
_expression.checkTypeRequirements();
if (!_expression.getType()->isImplicitlyConvertibleTo(_expectedType))
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Type not implicitly convertible "
- "to expected type."));
+ BOOST_THROW_EXCEPTION(TypeError(_expression.getLocation(),
+ "Type not implicitly convertible to expected type."));
//@todo provide more information to the exception
}
@@ -289,9 +289,9 @@ void Return::checkTypeRequirements()
{
BOOST_ASSERT(m_returnParameters != nullptr);
if (m_returnParameters->getParameters().size() != 1)
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Different number of arguments in "
- "return statement than in returns "
- "declaration."));
+ BOOST_THROW_EXCEPTION(TypeError(getLocation(), "Different number of arguments in "
+ "return statement than in returns "
+ "declaration."));
// this could later be changed such that the paramaters type is an anonymous struct type,
// but for now, we only allow one return parameter
expectType(*m_expression, *m_returnParameters->getParameters().front()->getType());
@@ -327,7 +327,7 @@ void Assignment::checkTypeRequirements()
{
// complex assignment
if (!m_type->acceptsBinaryOperator(Token::AssignmentToBinaryOp(m_assigmentOperator)))
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Operator not compatible with type."));
+ BOOST_THROW_EXCEPTION(TypeError(getLocation(), "Operator not compatible with type."));
}
}
@@ -337,7 +337,7 @@ void UnaryOperation::checkTypeRequirements()
m_subExpression->checkTypeRequirements();
m_type = m_subExpression->getType();
if (m_type->acceptsUnaryOperator(m_operator))
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Unary operator not compatible with type."));
+ BOOST_THROW_EXCEPTION(TypeError(getLocation(), "Unary operator not compatible with type."));
}
void BinaryOperation::checkTypeRequirements()
@@ -349,7 +349,7 @@ void BinaryOperation::checkTypeRequirements()
else if (m_left->getType()->isImplicitlyConvertibleTo(*m_right->getType()))
m_commonType = m_right->getType();
else
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("No common type found in binary operation."));
+ BOOST_THROW_EXCEPTION(TypeError(getLocation(), "No common type found in binary operation."));
if (Token::isCompareOp(m_operator))
m_type = std::make_shared<BoolType>();
else
@@ -357,7 +357,7 @@ void BinaryOperation::checkTypeRequirements()
BOOST_ASSERT(Token::isBinaryOp(m_operator));
m_type = m_commonType;
if (!m_commonType->acceptsBinaryOperator(m_operator))
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Operator not compatible with type."));
+ BOOST_THROW_EXCEPTION(TypeError(getLocation(), "Operator not compatible with type."));
}
}
@@ -375,11 +375,10 @@ void FunctionCall::checkTypeRequirements()
//@todo for structs, we have to check the number of arguments to be equal to the
// number of non-mapping members
if (m_arguments.size() != 1)
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("More than one argument for "
- "explicit type conersion."));
+ BOOST_THROW_EXCEPTION(TypeError(getLocation(), "More than one argument for "
+ "explicit type conersion."));
if (!m_arguments.front()->getType()->isExplicitlyConvertibleTo(*type->getActualType()))
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Explicit type conversion not "
- "allowed."));
+ BOOST_THROW_EXCEPTION(TypeError(getLocation(), "Explicit type conversion not allowed."));
m_type = type->getActualType();
}
else if (category == Type::Category::FUNCTION)
@@ -392,12 +391,10 @@ void FunctionCall::checkTypeRequirements()
FunctionDefinition const& fun = function->getFunction();
std::vector<ASTPointer<VariableDeclaration>> const& parameters = fun.getParameters();
if (parameters.size() != m_arguments.size())
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Wrong argument count for "
- "function call."));
+ BOOST_THROW_EXCEPTION(TypeError(getLocation(), "Wrong argument count for function call."));
for (size_t i = 0; i < m_arguments.size(); ++i)
if (!m_arguments[i]->getType()->isImplicitlyConvertibleTo(*parameters[i]->getType()))
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Invalid type for argument in "
- "function call."));
+ BOOST_THROW_EXCEPTION(TypeError(getLocation(), "Invalid type for argument in function call."));
// @todo actually the return type should be an anonymous struct,
// but we change it to the type of the first return value until we have structs
if (fun.getReturnParameterList()->getParameters().empty())
@@ -407,7 +404,7 @@ void FunctionCall::checkTypeRequirements()
}
else
{
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Type does not support invocation."));
+ BOOST_THROW_EXCEPTION(TypeError(getLocation(), "Type does not support invocation."));
}
}
@@ -438,8 +435,8 @@ void Identifier::checkTypeRequirements()
if (variable != nullptr)
{
if (!variable->getType())
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Variable referenced before type "
- "could be determined."));
+ BOOST_THROW_EXCEPTION(TypeError(getLocation(), "Variable referenced before type "
+ "could be determined."));
m_type = variable->getType();
return;
}
diff --git a/Exceptions.cpp b/Exceptions.cpp
new file mode 100644
index 00000000..53380d77
--- /dev/null
+++ b/Exceptions.cpp
@@ -0,0 +1,47 @@
+/*
+ This file is part of cpp-ethereum.
+
+ cpp-ethereum is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ cpp-ethereum is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * @author Christian <c@ethdev.com>
+ * @date 2014
+ * Solidity exception hierarchy.
+ */
+
+#include <libsolidity/Exceptions.h>
+
+
+namespace dev
+{
+namespace solidity
+{
+
+const char* ParserError::what() const noexcept
+{
+ ETH_RETURN_STRING("Parser error: " + m_description);
+}
+
+const char* DeclarationError::what() const noexcept
+{
+ ETH_RETURN_STRING("Declaration error: " + m_description);
+}
+
+const char* TypeError::what() const noexcept
+{
+ ETH_RETURN_STRING("Type error: " + m_description);
+}
+
+}
+}
diff --git a/Exceptions.h b/Exceptions.h
index c600ebf1..075af2b9 100644
--- a/Exceptions.h
+++ b/Exceptions.h
@@ -22,16 +22,53 @@
#pragma once
+#include <string>
#include <libdevcore/Exceptions.h>
+#include <libsolidity/BaseTypes.h>
namespace dev
{
namespace solidity
{
-struct ParserError: virtual Exception {};
-struct TypeError: virtual Exception {};
-struct DeclarationError: virtual Exception {};
+class ParserError: public virtual Exception
+{
+public:
+ ParserError(int _position, std::string const& _description):
+ m_position(_position), m_description(_description) {}
+ virtual const char* what() const noexcept;
+ int getPosition() const { return m_position; }
+
+private:
+ int m_position;
+ std::string m_description;
+};
+
+class TypeError: public virtual Exception
+{
+public:
+ TypeError(Location const& _location, std::string const& _description):
+ m_location(_location), m_description(_description) {}
+ virtual const char* what() const noexcept;
+ Location const& getLocation() const { return m_location; }
+
+private:
+ Location m_location;
+ std::string m_description;
+};
+
+class DeclarationError: public virtual Exception
+{
+public:
+ DeclarationError(Location const& _location, std::string const& _description):
+ m_location(_location), m_description(_description) {}
+ virtual const char* what() const noexcept;
+ Location const& getLocation() const { return m_location; }
+
+private:
+ Location m_location;
+ std::string m_description;
+};
}
}
diff --git a/NameAndTypeResolver.cpp b/NameAndTypeResolver.cpp
index 707b6ce1..8fe45281 100644
--- a/NameAndTypeResolver.cpp
+++ b/NameAndTypeResolver.cpp
@@ -137,7 +137,8 @@ void DeclarationRegistrationHelper::registerDeclaration(Declaration& _declaratio
{
BOOST_ASSERT(m_currentScope != nullptr);
if (!m_currentScope->registerDeclaration(_declaration))
- BOOST_THROW_EXCEPTION(DeclarationError() << errinfo_comment("Identifier already declared."));
+ BOOST_THROW_EXCEPTION(DeclarationError(_declaration.getLocation(), "Identifier already declared."));
+ //@todo the exception should also contain the location of the first declaration
if (_opensScope)
enterNewSubScope(_declaration);
}
@@ -175,11 +176,11 @@ bool ReferencesResolver::visit(UserDefinedTypeName& _typeName)
{
Declaration* declaration = m_resolver.getNameFromCurrentScope(_typeName.getName());
if (declaration == nullptr)
- BOOST_THROW_EXCEPTION(DeclarationError() << errinfo_comment("Undeclared identifier."));
+ BOOST_THROW_EXCEPTION(DeclarationError(_typeName.getLocation(), "Undeclared identifier."));
StructDefinition* referencedStruct = dynamic_cast<StructDefinition*>(declaration);
//@todo later, contracts are also valid types
if (referencedStruct == nullptr)
- BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Identifier does not name a type name."));
+ BOOST_THROW_EXCEPTION(TypeError(_typeName.getLocation(), "Identifier does not name a type name."));
_typeName.setReferencedStruct(*referencedStruct);
return false;
}
@@ -188,7 +189,7 @@ bool ReferencesResolver::visit(Identifier& _identifier)
{
Declaration* declaration = m_resolver.getNameFromCurrentScope(_identifier.getName());
if (declaration == nullptr)
- BOOST_THROW_EXCEPTION(DeclarationError() << errinfo_comment("Undeclared identifier."));
+ BOOST_THROW_EXCEPTION(DeclarationError(_identifier.getLocation(), "Undeclared identifier."));
_identifier.setReferencedDeclaration(*declaration);
return false;
}
diff --git a/Parser.cpp b/Parser.cpp
index 408aa7bd..3887ac8f 100644
--- a/Parser.cpp
+++ b/Parser.cpp
@@ -536,16 +536,7 @@ ASTPointer<ASTString> Parser::getLiteralAndAdvance()
void Parser::throwExpectationError(std::string const& _description)
{
- //@todo put some of this stuff into ParserError
- int line, column;
- std::tie(line, column) = m_scanner->translatePositionToLineColumn(getPosition());
- std::stringstream buf;
- buf << "Solidity parser error: " << _description
- << " at line " << (line + 1)
- << ", column " << (column + 1) << "\n"
- << m_scanner->getLineAtPosition(getPosition()) << "\n"
- << std::string(column, ' ') << "^";
- BOOST_THROW_EXCEPTION(ParserError() << errinfo_comment(buf.str()));
+ BOOST_THROW_EXCEPTION(ParserError(getPosition(), _description));
}
diff --git a/Types.cpp b/Types.cpp
index 7634951a..d5ae0c3e 100644
--- a/Types.cpp
+++ b/Types.cpp
@@ -88,9 +88,9 @@ std::shared_ptr<IntegerType> IntegerType::smallestTypeForLiteral(std::string con
IntegerType::IntegerType(int _bits, IntegerType::Modifier _modifier):
m_bits(_bits), m_modifier(_modifier)
{
- BOOST_ASSERT(_bits > 0 && _bits <= 256 && _bits % 8 == 0);
if (isAddress())
_bits = 160;
+ BOOST_ASSERT(_bits > 0 && _bits <= 256 && _bits % 8 == 0);
}
bool IntegerType::isImplicitlyConvertibleTo(Type const& _convertTo) const