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Corrected coding style.

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This commit is contained in:
Christian 2014-10-16 14:08:54 +02:00
parent 4ece1ba1d3
commit 8a506b505f
20 changed files with 1146 additions and 1050 deletions
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143
AST.cpp
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -26,12 +26,15 @@
#include <libsolidity/ASTVisitor.h> #include <libsolidity/ASTVisitor.h>
#include <libsolidity/Exceptions.h> #include <libsolidity/Exceptions.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
void ContractDefinition::accept(ASTVisitor& _visitor) void ContractDefinition::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
listAccept(m_definedStructs, _visitor); listAccept(m_definedStructs, _visitor);
listAccept(m_stateVariables, _visitor); listAccept(m_stateVariables, _visitor);
listAccept(m_definedFunctions, _visitor); listAccept(m_definedFunctions, _visitor);
@ -41,7 +44,8 @@ void ContractDefinition::accept(ASTVisitor& _visitor)
void StructDefinition::accept(ASTVisitor& _visitor) void StructDefinition::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
listAccept(m_members, _visitor); listAccept(m_members, _visitor);
} }
_visitor.endVisit(*this); _visitor.endVisit(*this);
@ -49,7 +53,8 @@ void StructDefinition::accept(ASTVisitor& _visitor)
void ParameterList::accept(ASTVisitor& _visitor) void ParameterList::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
listAccept(m_parameters, _visitor); listAccept(m_parameters, _visitor);
} }
_visitor.endVisit(*this); _visitor.endVisit(*this);
@ -57,7 +62,8 @@ void ParameterList::accept(ASTVisitor& _visitor)
void FunctionDefinition::accept(ASTVisitor& _visitor) void FunctionDefinition::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
m_parameters->accept(_visitor); m_parameters->accept(_visitor);
if (m_returnParameters) if (m_returnParameters)
m_returnParameters->accept(_visitor); m_returnParameters->accept(_visitor);
@ -68,7 +74,8 @@ void FunctionDefinition::accept(ASTVisitor& _visitor)
void VariableDeclaration::accept(ASTVisitor& _visitor) void VariableDeclaration::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
if (m_typeName) if (m_typeName)
m_typeName->accept(_visitor); m_typeName->accept(_visitor);
} }
@ -95,7 +102,8 @@ void UserDefinedTypeName::accept(ASTVisitor& _visitor)
void Mapping::accept(ASTVisitor& _visitor) void Mapping::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
m_keyType->accept(_visitor); m_keyType->accept(_visitor);
m_valueType->accept(_visitor); m_valueType->accept(_visitor);
} }
@ -110,7 +118,8 @@ void Statement::accept(ASTVisitor& _visitor)
void Block::accept(ASTVisitor& _visitor) void Block::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
listAccept(m_statements, _visitor); listAccept(m_statements, _visitor);
} }
_visitor.endVisit(*this); _visitor.endVisit(*this);
@ -118,7 +127,8 @@ void Block::accept(ASTVisitor& _visitor)
void IfStatement::accept(ASTVisitor& _visitor) void IfStatement::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
m_condition->accept(_visitor); m_condition->accept(_visitor);
m_trueBody->accept(_visitor); m_trueBody->accept(_visitor);
if (m_falseBody) if (m_falseBody)
@ -135,7 +145,8 @@ void BreakableStatement::accept(ASTVisitor& _visitor)
void WhileStatement::accept(ASTVisitor& _visitor) void WhileStatement::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
m_condition->accept(_visitor); m_condition->accept(_visitor);
m_body->accept(_visitor); m_body->accept(_visitor);
} }
@ -156,7 +167,8 @@ void Break::accept(ASTVisitor& _visitor)
void Return::accept(ASTVisitor& _visitor) void Return::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
if (m_expression) if (m_expression)
m_expression->accept(_visitor); m_expression->accept(_visitor);
} }
@ -165,7 +177,8 @@ void Return::accept(ASTVisitor& _visitor)
void VariableDefinition::accept(ASTVisitor& _visitor) void VariableDefinition::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
m_variable->accept(_visitor); m_variable->accept(_visitor);
if (m_value) if (m_value)
m_value->accept(_visitor); m_value->accept(_visitor);
@ -175,7 +188,8 @@ void VariableDefinition::accept(ASTVisitor& _visitor)
void Assignment::accept(ASTVisitor& _visitor) void Assignment::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
m_leftHandSide->accept(_visitor); m_leftHandSide->accept(_visitor);
m_rightHandSide->accept(_visitor); m_rightHandSide->accept(_visitor);
} }
@ -184,7 +198,8 @@ void Assignment::accept(ASTVisitor& _visitor)
void UnaryOperation::accept(ASTVisitor& _visitor) void UnaryOperation::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
m_subExpression->accept(_visitor); m_subExpression->accept(_visitor);
} }
_visitor.endVisit(*this); _visitor.endVisit(*this);
@ -192,7 +207,8 @@ void UnaryOperation::accept(ASTVisitor& _visitor)
void BinaryOperation::accept(ASTVisitor& _visitor) void BinaryOperation::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
m_left->accept(_visitor); m_left->accept(_visitor);
m_right->accept(_visitor); m_right->accept(_visitor);
} }
@ -201,7 +217,8 @@ void BinaryOperation::accept(ASTVisitor& _visitor)
void FunctionCall::accept(ASTVisitor& _visitor) void FunctionCall::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
m_expression->accept(_visitor); m_expression->accept(_visitor);
listAccept(m_arguments, _visitor); listAccept(m_arguments, _visitor);
} }
@ -210,7 +227,8 @@ void FunctionCall::accept(ASTVisitor& _visitor)
void MemberAccess::accept(ASTVisitor& _visitor) void MemberAccess::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
m_expression->accept(_visitor); m_expression->accept(_visitor);
} }
_visitor.endVisit(*this); _visitor.endVisit(*this);
@ -218,7 +236,8 @@ void MemberAccess::accept(ASTVisitor& _visitor)
void IndexAccess::accept(ASTVisitor& _visitor) void IndexAccess::accept(ASTVisitor& _visitor)
{ {
if (_visitor.visit(*this)) { if (_visitor.visit(*this))
{
m_base->accept(_visitor); m_base->accept(_visitor);
m_index->accept(_visitor); m_index->accept(_visitor);
} }
@ -253,7 +272,7 @@ void Statement::expectType(Expression& _expression, const Type& _expectedType)
ptr<Type> Block::checkTypeRequirements() ptr<Type> Block::checkTypeRequirements()
{ {
for (ptr<Statement> const& statement : m_statements) for (ptr<Statement> const & statement : m_statements)
statement->checkTypeRequirements(); statement->checkTypeRequirements();
return ptr<Type>(); return ptr<Type>();
} }
@ -292,7 +311,6 @@ ptr<Type> Return::checkTypeRequirements()
"declaration.")); "declaration."));
// this could later be changed such that the paramaters type is an anonymous struct type, // this could later be changed such that the paramaters type is an anonymous struct type,
// but for now, we only allow one return parameter // but for now, we only allow one return parameter
expectType(*m_expression, *m_returnParameters->getParameters().front()->getType()); expectType(*m_expression, *m_returnParameters->getParameters().front()->getType());
return ptr<Type>(); return ptr<Type>();
} }
@ -303,10 +321,14 @@ ptr<Type> VariableDefinition::checkTypeRequirements()
// setsthe type. // setsthe type.
// Note that assignments before the first declaration are legal because of the special scoping // Note that assignments before the first declaration are legal because of the special scoping
// rules inherited from JavaScript. // rules inherited from JavaScript.
if (m_value) { if (m_value)
if (m_variable->getType()) { {
if (m_variable->getType())
{
expectType(*m_value, *m_variable->getType()); expectType(*m_value, *m_variable->getType());
} else { }
else
{
// no type declared and no previous assignment, infer the type // no type declared and no previous assignment, infer the type
m_variable->setType(m_value->checkTypeRequirements()); m_variable->setType(m_value->checkTypeRequirements());
} }
@ -320,7 +342,8 @@ ptr<Type> Assignment::checkTypeRequirements()
// add a feature to the type system to check that // add a feature to the type system to check that
expectType(*m_rightHandSide, *m_leftHandSide->checkTypeRequirements()); expectType(*m_rightHandSide, *m_leftHandSide->checkTypeRequirements());
m_type = m_leftHandSide->getType(); m_type = m_leftHandSide->getType();
if (m_assigmentOperator != Token::ASSIGN) { if (m_assigmentOperator != Token::ASSIGN)
{
// complex assignment // complex assignment
if (!m_type->acceptsBinaryOperator(Token::AssignmentToBinaryOp(m_assigmentOperator))) if (!m_type->acceptsBinaryOperator(Token::AssignmentToBinaryOp(m_assigmentOperator)))
BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Operator not compatible with type.")); BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Operator not compatible with type."));
@ -341,18 +364,19 @@ ptr<Type> BinaryOperation::checkTypeRequirements()
{ {
m_right->checkTypeRequirements(); m_right->checkTypeRequirements();
m_left->checkTypeRequirements(); m_left->checkTypeRequirements();
if (m_right->getType()->isImplicitlyConvertibleTo(*m_left->getType())) if (m_right->getType()->isImplicitlyConvertibleTo(*m_left->getType()))
m_commonType = m_left->getType(); m_commonType = m_left->getType();
else if (m_left->getType()->isImplicitlyConvertibleTo(*m_right->getType())) else if (m_left->getType()->isImplicitlyConvertibleTo(*m_right->getType()))
m_commonType = m_right->getType(); m_commonType = m_right->getType();
else else
BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("No common type found in binary operation.")); BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("No common type found in binary operation."));
if (Token::isCompareOp(m_operator))
if (Token::IsCompareOp(m_operator)) { {
m_type = std::make_shared<BoolType>(); m_type = std::make_shared<BoolType>();
} else { }
BOOST_ASSERT(Token::IsBinaryOp(m_operator)); else
{
BOOST_ASSERT(Token::isBinaryOp(m_operator));
m_type = m_commonType; m_type = m_commonType;
if (!m_commonType->acceptsBinaryOperator(m_operator)) if (!m_commonType->acceptsBinaryOperator(m_operator))
BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Operator not compatible with type.")); BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Operator not compatible with type."));
@ -363,12 +387,12 @@ ptr<Type> BinaryOperation::checkTypeRequirements()
ptr<Type> FunctionCall::checkTypeRequirements() ptr<Type> FunctionCall::checkTypeRequirements()
{ {
m_expression->checkTypeRequirements(); m_expression->checkTypeRequirements();
for (ptr<Expression> const& argument : m_arguments) for (ptr<Expression> const & argument : m_arguments)
argument->checkTypeRequirements(); argument->checkTypeRequirements();
ptr<Type> expressionType = m_expression->getType(); ptr<Type> expressionType = m_expression->getType();
Type::Category const category = expressionType->getCategory(); Type::Category const category = expressionType->getCategory();
if (category == Type::Category::TYPE) { if (category == Type::Category::TYPE)
{
TypeType* type = dynamic_cast<TypeType*>(expressionType.get()); TypeType* type = dynamic_cast<TypeType*>(expressionType.get());
BOOST_ASSERT(type != nullptr); BOOST_ASSERT(type != nullptr);
//@todo for structs, we have to check the number of arguments to be equal to the //@todo for structs, we have to check the number of arguments to be equal to the
@ -378,9 +402,11 @@ ptr<Type> FunctionCall::checkTypeRequirements()
"explicit type conersion.")); "explicit type conersion."));
if (!m_arguments.front()->getType()->isExplicitlyConvertibleTo(*type->getActualType())) if (!m_arguments.front()->getType()->isExplicitlyConvertibleTo(*type->getActualType()))
BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Explicit type conversion not " BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Explicit type conversion not "
"allowed.")); "allowed."));
m_type = type->getActualType(); m_type = type->getActualType();
} else if (category == Type::Category::FUNCTION) { }
else if (category == Type::Category::FUNCTION)
{
//@todo would be nice to create a struct type from the arguments //@todo would be nice to create a struct type from the arguments
// and then ask if that is implicitly convertible to the struct represented by the // and then ask if that is implicitly convertible to the struct represented by the
// function parameters // function parameters
@ -390,20 +416,22 @@ ptr<Type> FunctionCall::checkTypeRequirements()
vecptr<VariableDeclaration> const& parameters = fun.getParameters(); vecptr<VariableDeclaration> const& parameters = fun.getParameters();
if (parameters.size() != m_arguments.size()) if (parameters.size() != m_arguments.size())
BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Wrong argument count for " BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Wrong argument count for "
"function call.")); "function call."));
for (size_t i = 0; i < m_arguments.size(); ++i) { for (size_t i = 0; i < m_arguments.size(); ++i)
{
if (!m_arguments[i]->getType()->isImplicitlyConvertibleTo(*parameters[i]->getType())) if (!m_arguments[i]->getType()->isImplicitlyConvertibleTo(*parameters[i]->getType()))
BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Invalid type for argument in " BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Invalid type for argument in "
"function call.")); "function call."));
} }
// @todo actually the return type should be an anonymous struct, // @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 // but we change it to the type of the first return value until we have structs
if (fun.getReturnParameterList()->getParameters().empty()) if (fun.getReturnParameterList()->getParameters().empty())
m_type = std::make_shared<VoidType>(); m_type = std::make_shared<VoidType>();
else else
m_type = fun.getReturnParameterList()->getParameters().front()->getType(); m_type = fun.getReturnParameterList()->getParameters().front()->getType();
} else { }
else
{
BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Type does not support invocation.")); BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Type does not support invocation."));
} }
return m_type; return m_type;
@ -435,7 +463,8 @@ ptr<Type> Identifier::checkTypeRequirements()
// var y = x; // var y = x;
// the type of x is not yet determined. // the type of x is not yet determined.
VariableDeclaration* variable = dynamic_cast<VariableDeclaration*>(m_referencedDeclaration); VariableDeclaration* variable = dynamic_cast<VariableDeclaration*>(m_referencedDeclaration);
if (variable != nullptr) { if (variable != nullptr)
{
if (variable->getType().get() == nullptr) if (variable->getType().get() == nullptr)
BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Variable referenced before type " BOOST_THROW_EXCEPTION(TypeError() << errinfo_comment("Variable referenced before type "
"could be determined.")); "could be determined."));
@ -444,13 +473,15 @@ ptr<Type> Identifier::checkTypeRequirements()
} }
//@todo can we unify these with TypeName::toType()? //@todo can we unify these with TypeName::toType()?
StructDefinition* structDef = dynamic_cast<StructDefinition*>(m_referencedDeclaration); StructDefinition* structDef = dynamic_cast<StructDefinition*>(m_referencedDeclaration);
if (structDef != nullptr) { if (structDef != nullptr)
{
// note that we do not have a struct type here // note that we do not have a struct type here
m_type = std::make_shared<TypeType>(std::make_shared<StructType>(*structDef)); m_type = std::make_shared<TypeType>(std::make_shared<StructType>(*structDef));
return m_type; return m_type;
} }
FunctionDefinition* functionDef = dynamic_cast<FunctionDefinition*>(m_referencedDeclaration); FunctionDefinition* functionDef = dynamic_cast<FunctionDefinition*>(m_referencedDeclaration);
if (functionDef != nullptr) { if (functionDef != nullptr)
{
// a function reference is not a TypeType, because calling a TypeType converts to the type. // a function reference is not a TypeType, because calling a TypeType converts to the type.
// Calling a function (e.g. function(12), otherContract.function(34)) does not do a type // Calling a function (e.g. function(12), otherContract.function(34)) does not do a type
// conversion. // conversion.
@ -458,7 +489,8 @@ ptr<Type> Identifier::checkTypeRequirements()
return m_type; return m_type;
} }
ContractDefinition* contractDef = dynamic_cast<ContractDefinition*>(m_referencedDeclaration); ContractDefinition* contractDef = dynamic_cast<ContractDefinition*>(m_referencedDeclaration);
if (contractDef != nullptr) { if (contractDef != nullptr)
{
m_type = std::make_shared<TypeType>(std::make_shared<ContractType>(*contractDef)); m_type = std::make_shared<TypeType>(std::make_shared<ContractType>(*contractDef));
return m_type; return m_type;
} }
@ -478,4 +510,5 @@ ptr<Type> Literal::checkTypeRequirements()
return m_type; return m_type;
} }
} } }
}

37
AST.h
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -33,8 +33,10 @@
#include <libsolidity/Token.h> #include <libsolidity/Token.h>
#include <libsolidity/Types.h> #include <libsolidity/Types.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
class ASTVisitor; class ASTVisitor;
@ -49,8 +51,10 @@ public:
virtual void accept(ASTVisitor& _visitor) = 0; virtual void accept(ASTVisitor& _visitor) = 0;
template <class T> template <class T>
static void listAccept(vecptr<T>& _list, ASTVisitor& _visitor) { static void listAccept(vecptr<T>& _list, ASTVisitor& _visitor)
for (ptr<T>& element : _list) element->accept(_visitor); {
for (ptr<T>& element : _list)
element->accept(_visitor);
} }
Location const& getLocation() const { return m_location; } Location const& getLocation() const { return m_location; }
@ -521,4 +525,5 @@ private:
/// @} /// @}
} } }
}

31
ASTForward.h
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -28,8 +28,10 @@
// Forward-declare all AST node types // Forward-declare all AST node types
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
class ASTNode; class ASTNode;
class Declaration; class Declaration;
@ -74,4 +76,5 @@ using vecptr = std::vector<ptr<T>>;
using ASTString = std::string; using ASTString = std::string;
} } }
}

46
ASTPrinter.cpp
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -23,8 +23,10 @@
#include <libsolidity/ASTPrinter.h> #include <libsolidity/ASTPrinter.h>
#include <libsolidity/AST.h> #include <libsolidity/AST.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
ASTPrinter::ASTPrinter(ptr<ASTNode> _ast, const std::string& _source) ASTPrinter::ASTPrinter(ptr<ASTNode> _ast, const std::string& _source)
: m_indentation(0), m_source(_source), m_ast(_ast) : m_indentation(0), m_source(_source), m_ast(_ast)
@ -85,7 +87,7 @@ bool ASTPrinter::visit(TypeName& _node)
bool ASTPrinter::visit(ElementaryTypeName& _node) bool ASTPrinter::visit(ElementaryTypeName& _node)
{ {
writeLine(std::string("ElementaryTypeName ") + Token::String(_node.getType())); writeLine(std::string("ElementaryTypeName ") + Token::toString(_node.getType()));
printSourcePart(_node); printSourcePart(_node);
return goDeeper(); return goDeeper();
} }
@ -176,7 +178,7 @@ bool ASTPrinter::visit(Expression& _node)
bool ASTPrinter::visit(Assignment& _node) bool ASTPrinter::visit(Assignment& _node)
{ {
writeLine(std::string("Assignment using operator ") + Token::String(_node.getAssignmentOperator())); writeLine(std::string("Assignment using operator ") + Token::toString(_node.getAssignmentOperator()));
printSourcePart(_node); printSourcePart(_node);
return goDeeper(); return goDeeper();
} }
@ -184,14 +186,14 @@ bool ASTPrinter::visit(Assignment& _node)
bool ASTPrinter::visit(UnaryOperation& _node) bool ASTPrinter::visit(UnaryOperation& _node)
{ {
writeLine(std::string("UnaryOperation (") + (_node.isPrefixOperation() ? "prefix" : "postfix") + writeLine(std::string("UnaryOperation (") + (_node.isPrefixOperation() ? "prefix" : "postfix") +
") " + Token::String(_node.getOperator())); ") " + Token::toString(_node.getOperator()));
printSourcePart(_node); printSourcePart(_node);
return goDeeper(); return goDeeper();
} }
bool ASTPrinter::visit(BinaryOperation& _node) bool ASTPrinter::visit(BinaryOperation& _node)
{ {
writeLine(std::string("BinaryOperation using operator ") + Token::String(_node.getOperator())); writeLine(std::string("BinaryOperation using operator ") + Token::toString(_node.getOperator()));
printSourcePart(_node); printSourcePart(_node);
return goDeeper(); return goDeeper();
} }
@ -233,14 +235,14 @@ bool ASTPrinter::visit(Identifier& _node)
bool ASTPrinter::visit(ElementaryTypeNameExpression& _node) bool ASTPrinter::visit(ElementaryTypeNameExpression& _node)
{ {
writeLine(std::string("ElementaryTypeNameExpression ") + Token::String(_node.getTypeToken())); writeLine(std::string("ElementaryTypeNameExpression ") + Token::toString(_node.getTypeToken()));
printSourcePart(_node); printSourcePart(_node);
return goDeeper(); return goDeeper();
} }
bool ASTPrinter::visit(Literal& _node) bool ASTPrinter::visit(Literal& _node)
{ {
const char* tokenString = Token::String(_node.getToken()); const char* tokenString = Token::toString(_node.getToken());
if (tokenString == nullptr) if (tokenString == nullptr)
tokenString = "----"; tokenString = "----";
writeLine(std::string("Literal, token: ") + tokenString + " value: " + _node.getValue()); writeLine(std::string("Literal, token: ") + tokenString + " value: " + _node.getValue());
@ -402,7 +404,8 @@ void ASTPrinter::endVisit(Literal&)
void ASTPrinter::printSourcePart(ASTNode const& _node) void ASTPrinter::printSourcePart(ASTNode const& _node)
{ {
if (!m_source.empty()) { if (!m_source.empty())
{
Location const& location(_node.getLocation()); Location const& location(_node.getLocation());
*m_ostream << getIndentation() << " Source: |" *m_ostream << getIndentation() << " Source: |"
<< m_source.substr(location.start, location.end - location.start) << "|\n"; << m_source.substr(location.start, location.end - location.start) << "|\n";
@ -419,4 +422,5 @@ void ASTPrinter::writeLine(const std::string& _line)
*m_ostream << getIndentation() << _line << '\n'; *m_ostream << getIndentation() << _line << '\n';
} }
} } }
}

34
ASTPrinter.h
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -25,8 +25,10 @@
#include <ostream> #include <ostream>
#include <libsolidity/ASTVisitor.h> #include <libsolidity/ASTVisitor.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
class ASTPrinter : public ASTVisitor class ASTPrinter : public ASTVisitor
{ {
@ -67,7 +69,7 @@ public:
bool visit(ElementaryTypeNameExpression& _node) override; bool visit(ElementaryTypeNameExpression& _node) override;
bool visit(Literal& _node) override; bool visit(Literal& _node) override;
void endVisit(ASTNode & _node) override; void endVisit(ASTNode& _node) override;
void endVisit(ContractDefinition&) override; void endVisit(ContractDefinition&) override;
void endVisit(StructDefinition&) override; void endVisit(StructDefinition&) override;
void endVisit(ParameterList&) override; void endVisit(ParameterList&) override;
@ -103,10 +105,12 @@ private:
std::string getIndentation() const; std::string getIndentation() const;
void writeLine(std::string const& _line); void writeLine(std::string const& _line);
bool goDeeper() { m_indentation++; return true; } bool goDeeper() { m_indentation++; return true; }
int m_indentation; int m_indentation;
std::string m_source; std::string m_source;
ptr<ASTNode> m_ast; ptr<ASTNode> m_ast;
std::ostream* m_ostream; std::ostream* m_ostream;
}; };
} } }
}

34
ASTVisitor.h
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -25,10 +25,13 @@
#include <libsolidity/ASTForward.h> #include <libsolidity/ASTForward.h>
#include <string> #include <string>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
class ASTVisitor { class ASTVisitor
{
public: public:
/// These functions are called after a call to ASTNode::accept, /// These functions are called after a call to ASTNode::accept,
/// first visit, then (if visit returns true) recursively for all /// first visit, then (if visit returns true) recursively for all
@ -97,4 +100,5 @@ public:
virtual void endVisit(Literal&) { } virtual void endVisit(Literal&) { }
}; };
} } }
}

34
BaseTypes.h
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -23,12 +23,15 @@
#pragma once #pragma once
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
/// Representation of an interval of source positions. /// Representation of an interval of source positions.
/// The interval includes start and excludes end. /// The interval includes start and excludes end.
struct Location { struct Location
{
Location(int _start, int _end) : start(_start), end(_end) { } Location(int _start, int _end) : start(_start), end(_end) { }
Location() : start(-1), end(-1) { } Location() : start(-1), end(-1) { }
@ -38,4 +41,5 @@ struct Location {
int end; int end;
}; };
} } }
}

31
Exceptions.h
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -24,11 +24,14 @@
#include <libdevcore/Exceptions.h> #include <libdevcore/Exceptions.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
struct ParserError : virtual Exception {}; struct ParserError : virtual Exception {};
struct TypeError : virtual Exception {}; struct TypeError : virtual Exception {};
struct DeclarationError : virtual Exception {}; struct DeclarationError : virtual Exception {};
} } }
}

44
NameAndTypeResolver.cpp
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -26,8 +26,10 @@
#include <libsolidity/Exceptions.h> #include <libsolidity/Exceptions.h>
#include <boost/assert.hpp> #include <boost/assert.hpp>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
NameAndTypeResolver::NameAndTypeResolver() NameAndTypeResolver::NameAndTypeResolver()
@ -38,15 +40,12 @@ void NameAndTypeResolver::resolveNamesAndTypes(ContractDefinition& _contract)
{ {
reset(); reset();
DeclarationRegistrationHelper registrar(m_scopes, _contract); DeclarationRegistrationHelper registrar(m_scopes, _contract);
m_currentScope = &m_scopes[&_contract]; m_currentScope = &m_scopes[&_contract];
//@todo structs //@todo structs
for (ptr<VariableDeclaration> const & variable : _contract.getStateVariables())
for (ptr<VariableDeclaration> const& variable : _contract.getStateVariables())
ReferencesResolver resolver(*variable, *this, nullptr); ReferencesResolver resolver(*variable, *this, nullptr);
for (ptr<FunctionDefinition> const & function : _contract.getDefinedFunctions())
for (ptr<FunctionDefinition> const& function : _contract.getDefinedFunctions()) { {
m_currentScope = &m_scopes[function.get()]; m_currentScope = &m_scopes[function.get()];
ReferencesResolver referencesResolver(*function, *this, ReferencesResolver referencesResolver(*function, *this,
function->getReturnParameterList().get()); function->getReturnParameterList().get());
@ -54,7 +53,8 @@ void NameAndTypeResolver::resolveNamesAndTypes(ContractDefinition& _contract)
// First, all function parameter types need to be resolved before we can check // First, all function parameter types need to be resolved before we can check
// the types, since it is possible to call functions that are only defined later // the types, since it is possible to call functions that are only defined later
// in the source. // in the source.
for (ptr<FunctionDefinition> const& function : _contract.getDefinedFunctions()) { for (ptr<FunctionDefinition> const & function : _contract.getDefinedFunctions())
{
m_currentScope = &m_scopes[function.get()]; m_currentScope = &m_scopes[function.get()];
function->getBody().checkTypeRequirements(); function->getBody().checkTypeRequirements();
} }
@ -141,7 +141,6 @@ void DeclarationRegistrationHelper::registerDeclaration(Declaration& _declaratio
BOOST_ASSERT(m_currentScope != nullptr); BOOST_ASSERT(m_currentScope != nullptr);
if (!m_currentScope->registerDeclaration(_declaration)) if (!m_currentScope->registerDeclaration(_declaration))
BOOST_THROW_EXCEPTION(DeclarationError() << errinfo_comment("Identifier already declared.")); BOOST_THROW_EXCEPTION(DeclarationError() << errinfo_comment("Identifier already declared."));
if (_opensScope) if (_opensScope)
enterNewSubScope(_declaration); enterNewSubScope(_declaration);
} }
@ -198,4 +197,5 @@ bool ReferencesResolver::visit(Identifier& _identifier)
} }
} } }
}

31
NameAndTypeResolver.h
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -29,8 +29,10 @@
#include <libsolidity/Scope.h> #include <libsolidity/Scope.h>
#include <libsolidity/ASTVisitor.h> #include <libsolidity/ASTVisitor.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
class NameAndTypeResolver : private boost::noncopyable class NameAndTypeResolver : private boost::noncopyable
@ -92,4 +94,5 @@ private:
ParameterList* m_returnParameters; ParameterList* m_returnParameters;
}; };
} } }
}

288
Parser.cpp
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -26,13 +26,14 @@
#include <libsolidity/Scanner.h> #include <libsolidity/Scanner.h>
#include <libsolidity/Exceptions.h> #include <libsolidity/Exceptions.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
ptr<ContractDefinition> Parser::parse(std::shared_ptr<Scanner> const& _scanner) ptr<ContractDefinition> Parser::parse(std::shared_ptr<Scanner> const& _scanner)
{ {
m_scanner = _scanner; m_scanner = _scanner;
return parseContractDefinition(); return parseContractDefinition();
} }
@ -46,9 +47,15 @@ public:
: m_parser(_parser), m_location(_parser.getPosition(), -1) : m_parser(_parser), m_location(_parser.getPosition(), -1)
{} {}
void markEndPosition() { m_location.end = m_parser.getEndPosition(); } void markEndPosition()
{
m_location.end = m_parser.getEndPosition();
}
void setLocationEmpty() { m_location.end = m_location.start; } void setLocationEmpty()
{
m_location.end = m_location.start;
}
/// Set the end position to the one of the given node. /// Set the end position to the one of the given node.
void setEndPositionFromNode(const ptr<ASTNode>& _node) void setEndPositionFromNode(const ptr<ASTNode>& _node)
@ -58,7 +65,7 @@ public:
/// @todo: check that this actually uses perfect forwarding /// @todo: check that this actually uses perfect forwarding
template <class NodeType, typename... Args> template <class NodeType, typename... Args>
ptr<NodeType> createNode(Args&&... _args) ptr<NodeType> createNode(Args&& ... _args)
{ {
if (m_location.end < 0) if (m_location.end < 0)
markEndPosition(); markEndPosition();
@ -84,62 +91,73 @@ int Parser::getEndPosition() const
ptr<ContractDefinition> Parser::parseContractDefinition() ptr<ContractDefinition> Parser::parseContractDefinition()
{ {
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
expectToken(Token::CONTRACT); expectToken(Token::CONTRACT);
ptr<ASTString> name = expectIdentifierToken(); ptr<ASTString> name = expectIdentifierToken();
expectToken(Token::LBRACE); expectToken(Token::LBRACE);
vecptr<StructDefinition> structs; vecptr<StructDefinition> structs;
vecptr<VariableDeclaration> stateVariables; vecptr<VariableDeclaration> stateVariables;
vecptr<FunctionDefinition> functions; vecptr<FunctionDefinition> functions;
bool visibilityIsPublic = true; bool visibilityIsPublic = true;
while (true) { while (true)
{
Token::Value currentToken = m_scanner->getCurrentToken(); Token::Value currentToken = m_scanner->getCurrentToken();
if (currentToken == Token::RBRACE) { if (currentToken == Token::RBRACE)
{
break; break;
} else if (currentToken == Token::PUBLIC || currentToken == Token::PRIVATE) { }
else if (currentToken == Token::PUBLIC || currentToken == Token::PRIVATE)
{
visibilityIsPublic = (m_scanner->getCurrentToken() == Token::PUBLIC); visibilityIsPublic = (m_scanner->getCurrentToken() == Token::PUBLIC);
m_scanner->next(); m_scanner->next();
expectToken(Token::COLON); expectToken(Token::COLON);
} else if (currentToken == Token::FUNCTION) { }
else if (currentToken == Token::FUNCTION)
{
functions.push_back(parseFunctionDefinition(visibilityIsPublic)); functions.push_back(parseFunctionDefinition(visibilityIsPublic));
} else if (currentToken == Token::STRUCT) { }
else if (currentToken == Token::STRUCT)
{
structs.push_back(parseStructDefinition()); structs.push_back(parseStructDefinition());
} else if (currentToken == Token::IDENTIFIER || currentToken == Token::MAPPING || }
Token::IsElementaryTypeName(currentToken)) { else if (currentToken == Token::IDENTIFIER || currentToken == Token::MAPPING ||
Token::isElementaryTypeName(currentToken))
{
bool const allowVar = false; bool const allowVar = false;
stateVariables.push_back(parseVariableDeclaration(allowVar)); stateVariables.push_back(parseVariableDeclaration(allowVar));
expectToken(Token::SEMICOLON); expectToken(Token::SEMICOLON);
} else { }
else
{
throwExpectationError("Function, variable or struct declaration expected."); throwExpectationError("Function, variable or struct declaration expected.");
} }
} }
nodeFactory.markEndPosition(); nodeFactory.markEndPosition();
expectToken(Token::RBRACE); expectToken(Token::RBRACE);
expectToken(Token::EOS); expectToken(Token::EOS);
return nodeFactory.createNode<ContractDefinition>(name, structs, stateVariables, functions); return nodeFactory.createNode<ContractDefinition>(name, structs, stateVariables, functions);
} }
ptr<FunctionDefinition> Parser::parseFunctionDefinition(bool _isPublic) ptr<FunctionDefinition> Parser::parseFunctionDefinition(bool _isPublic)
{ {
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
expectToken(Token::FUNCTION); expectToken(Token::FUNCTION);
ptr<ASTString> name(expectIdentifierToken()); ptr<ASTString> name(expectIdentifierToken());
ptr<ParameterList> parameters(parseParameterList()); ptr<ParameterList> parameters(parseParameterList());
bool isDeclaredConst = false; bool isDeclaredConst = false;
if (m_scanner->getCurrentToken() == Token::CONST) { if (m_scanner->getCurrentToken() == Token::CONST)
{
isDeclaredConst = true; isDeclaredConst = true;
m_scanner->next(); m_scanner->next();
} }
ptr<ParameterList> returnParameters; ptr<ParameterList> returnParameters;
if (m_scanner->getCurrentToken() == Token::RETURNS) { if (m_scanner->getCurrentToken() == Token::RETURNS)
{
const bool permitEmptyParameterList = false; const bool permitEmptyParameterList = false;
m_scanner->next(); m_scanner->next();
returnParameters = parseParameterList(permitEmptyParameterList); returnParameters = parseParameterList(permitEmptyParameterList);
} else { }
else
{
// create an empty parameter list at a zero-length location // create an empty parameter list at a zero-length location
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
nodeFactory.setLocationEmpty(); nodeFactory.setLocationEmpty();
@ -148,32 +166,30 @@ ptr<FunctionDefinition> Parser::parseFunctionDefinition(bool _isPublic)
ptr<Block> block = parseBlock(); ptr<Block> block = parseBlock();
nodeFactory.setEndPositionFromNode(block); nodeFactory.setEndPositionFromNode(block);
return nodeFactory.createNode<FunctionDefinition>(name, _isPublic, parameters, return nodeFactory.createNode<FunctionDefinition>(name, _isPublic, parameters,
isDeclaredConst, returnParameters, block); isDeclaredConst, returnParameters, block);
} }
ptr<StructDefinition> Parser::parseStructDefinition() ptr<StructDefinition> Parser::parseStructDefinition()
{ {
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
expectToken(Token::STRUCT); expectToken(Token::STRUCT);
ptr<ASTString> name = expectIdentifierToken(); ptr<ASTString> name = expectIdentifierToken();
vecptr<VariableDeclaration> members; vecptr<VariableDeclaration> members;
expectToken(Token::LBRACE); expectToken(Token::LBRACE);
while (m_scanner->getCurrentToken() != Token::RBRACE) { while (m_scanner->getCurrentToken() != Token::RBRACE)
{
bool const allowVar = false; bool const allowVar = false;
members.push_back(parseVariableDeclaration(allowVar)); members.push_back(parseVariableDeclaration(allowVar));
expectToken(Token::SEMICOLON); expectToken(Token::SEMICOLON);
} }
nodeFactory.markEndPosition(); nodeFactory.markEndPosition();
expectToken(Token::RBRACE); expectToken(Token::RBRACE);
return nodeFactory.createNode<StructDefinition>(name, members); return nodeFactory.createNode<StructDefinition>(name, members);
} }
ptr<VariableDeclaration> Parser::parseVariableDeclaration(bool _allowVar) ptr<VariableDeclaration> Parser::parseVariableDeclaration(bool _allowVar)
{ {
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
ptr<TypeName> type = parseTypeName(_allowVar); ptr<TypeName> type = parseTypeName(_allowVar);
nodeFactory.markEndPosition(); nodeFactory.markEndPosition();
return nodeFactory.createNode<VariableDeclaration>(type, expectIdentifierToken()); return nodeFactory.createNode<VariableDeclaration>(type, expectIdentifierToken());
@ -183,58 +199,63 @@ ptr<TypeName> Parser::parseTypeName(bool _allowVar)
{ {
ptr<TypeName> type; ptr<TypeName> type;
Token::Value token = m_scanner->getCurrentToken(); Token::Value token = m_scanner->getCurrentToken();
if (Token::IsElementaryTypeName(token)) { if (Token::isElementaryTypeName(token))
{
type = ASTNodeFactory(*this).createNode<ElementaryTypeName>(token); type = ASTNodeFactory(*this).createNode<ElementaryTypeName>(token);
m_scanner->next(); m_scanner->next();
} else if (token == Token::VAR) { }
else if (token == Token::VAR)
{
if (!_allowVar) if (!_allowVar)
throwExpectationError("Expected explicit type name."); throwExpectationError("Expected explicit type name.");
m_scanner->next(); m_scanner->next();
} else if (token == Token::MAPPING) { }
else if (token == Token::MAPPING)
{
type = parseMapping(); type = parseMapping();
} else if (token == Token::IDENTIFIER) { }
else if (token == Token::IDENTIFIER)
{
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
nodeFactory.markEndPosition(); nodeFactory.markEndPosition();
type = nodeFactory.createNode<UserDefinedTypeName>(expectIdentifierToken()); type = nodeFactory.createNode<UserDefinedTypeName>(expectIdentifierToken());
} else { }
else
{
throwExpectationError("Expected type name"); throwExpectationError("Expected type name");
} }
return type; return type;
} }
ptr<Mapping> Parser::parseMapping() ptr<Mapping> Parser::parseMapping()
{ {
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
expectToken(Token::MAPPING); expectToken(Token::MAPPING);
expectToken(Token::LPAREN); expectToken(Token::LPAREN);
if (!Token::isElementaryTypeName(m_scanner->getCurrentToken()))
if (!Token::IsElementaryTypeName(m_scanner->getCurrentToken()))
throwExpectationError("Expected elementary type name for mapping key type"); throwExpectationError("Expected elementary type name for mapping key type");
ptr<ElementaryTypeName> keyType; ptr<ElementaryTypeName> keyType;
keyType = ASTNodeFactory(*this).createNode<ElementaryTypeName>(m_scanner->getCurrentToken()); keyType = ASTNodeFactory(*this).createNode<ElementaryTypeName>(m_scanner->getCurrentToken());
m_scanner->next(); m_scanner->next();
expectToken(Token::ARROW); expectToken(Token::ARROW);
bool const allowVar = false; bool const allowVar = false;
ptr<TypeName> valueType = parseTypeName(allowVar); ptr<TypeName> valueType = parseTypeName(allowVar);
nodeFactory.markEndPosition(); nodeFactory.markEndPosition();
expectToken(Token::RPAREN); expectToken(Token::RPAREN);
return nodeFactory.createNode<Mapping>(keyType, valueType); return nodeFactory.createNode<Mapping>(keyType, valueType);
} }
ptr<ParameterList> Parser::parseParameterList(bool _allowEmpty) ptr<ParameterList> Parser::parseParameterList(bool _allowEmpty)
{ {
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
vecptr<VariableDeclaration> parameters; vecptr<VariableDeclaration> parameters;
expectToken(Token::LPAREN); expectToken(Token::LPAREN);
if (!_allowEmpty || m_scanner->getCurrentToken() != Token::RPAREN) { if (!_allowEmpty || m_scanner->getCurrentToken() != Token::RPAREN)
{
bool const allowVar = false; bool const allowVar = false;
parameters.push_back(parseVariableDeclaration(allowVar)); parameters.push_back(parseVariableDeclaration(allowVar));
while (m_scanner->getCurrentToken() != Token::RPAREN) { while (m_scanner->getCurrentToken() != Token::RPAREN)
{
expectToken(Token::COMMA); expectToken(Token::COMMA);
parameters.push_back(parseVariableDeclaration(allowVar)); parameters.push_back(parseVariableDeclaration(allowVar));
} }
@ -249,7 +270,8 @@ ptr<Block> Parser::parseBlock()
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
expectToken(Token::LBRACE); expectToken(Token::LBRACE);
vecptr<Statement> statements; vecptr<Statement> statements;
while (m_scanner->getCurrentToken() != Token::RBRACE) { while (m_scanner->getCurrentToken() != Token::RBRACE)
{
statements.push_back(parseStatement()); statements.push_back(parseStatement());
} }
nodeFactory.markEndPosition(); nodeFactory.markEndPosition();
@ -260,16 +282,15 @@ ptr<Block> Parser::parseBlock()
ptr<Statement> Parser::parseStatement() ptr<Statement> Parser::parseStatement()
{ {
ptr<Statement> statement; ptr<Statement> statement;
switch (m_scanner->getCurrentToken())
switch (m_scanner->getCurrentToken()) { {
case Token::IF: case Token::IF:
return parseIfStatement(); return parseIfStatement();
case Token::WHILE: case Token::WHILE:
return parseWhileStatement(); return parseWhileStatement();
case Token::LBRACE: case Token::LBRACE:
return parseBlock(); return parseBlock();
// starting from here, all statements must be terminated by a semicolon
// starting from here, all statements must be terminated by a semicolon
case Token::CONTINUE: case Token::CONTINUE:
statement = ASTNodeFactory(*this).createNode<Continue>(); statement = ASTNodeFactory(*this).createNode<Continue>();
break; break;
@ -277,28 +298,32 @@ ptr<Statement> Parser::parseStatement()
statement = ASTNodeFactory(*this).createNode<Break>(); statement = ASTNodeFactory(*this).createNode<Break>();
break; break;
case Token::RETURN: case Token::RETURN:
{
ASTNodeFactory nodeFactory(*this);
ptr<Expression> expression;
if (m_scanner->next() != Token::SEMICOLON)
{ {
ASTNodeFactory nodeFactory(*this); expression = parseExpression();
ptr<Expression> expression; nodeFactory.setEndPositionFromNode(expression);
if (m_scanner->next() != Token::SEMICOLON) {
expression = parseExpression();
nodeFactory.setEndPositionFromNode(expression);
}
statement = nodeFactory.createNode<Return>(expression);
} }
break; statement = nodeFactory.createNode<Return>(expression);
}
break;
default: default:
// distinguish between variable definition (and potentially assignment) and expressions // distinguish between variable definition (and potentially assignment) and expressions
// (which include assignments to other expressions and pre-declared variables) // (which include assignments to other expressions and pre-declared variables)
// We have a variable definition if we ge a keyword that specifies a type name, or // We have a variable definition if we ge a keyword that specifies a type name, or
// in the case of a user-defined type, we have two identifiers following each other. // in the case of a user-defined type, we have two identifiers following each other.
if (m_scanner->getCurrentToken() == Token::MAPPING || if (m_scanner->getCurrentToken() == Token::MAPPING ||
m_scanner->getCurrentToken() == Token::VAR || m_scanner->getCurrentToken() == Token::VAR ||
Token::IsElementaryTypeName(m_scanner->getCurrentToken()) || Token::isElementaryTypeName(m_scanner->getCurrentToken()) ||
(m_scanner->getCurrentToken() == Token::IDENTIFIER && (m_scanner->getCurrentToken() == Token::IDENTIFIER &&
m_scanner->peek() == Token::IDENTIFIER)) { m_scanner->peek() == Token::IDENTIFIER))
{
statement = parseVariableDefinition(); statement = parseVariableDefinition();
} else { }
else
{
// "ordinary" expression // "ordinary" expression
statement = parseExpression(); statement = parseExpression();
} }
@ -316,11 +341,14 @@ ptr<IfStatement> Parser::parseIfStatement()
expectToken(Token::RPAREN); expectToken(Token::RPAREN);
ptr<Statement> trueBody = parseStatement(); ptr<Statement> trueBody = parseStatement();
ptr<Statement> falseBody; ptr<Statement> falseBody;
if (m_scanner->getCurrentToken() == Token::ELSE) { if (m_scanner->getCurrentToken() == Token::ELSE)
{
m_scanner->next(); m_scanner->next();
falseBody = parseStatement(); falseBody = parseStatement();
nodeFactory.setEndPositionFromNode(falseBody); nodeFactory.setEndPositionFromNode(falseBody);
} else { }
else
{
nodeFactory.setEndPositionFromNode(trueBody); nodeFactory.setEndPositionFromNode(trueBody);
} }
return nodeFactory.createNode<IfStatement>(condition, trueBody, falseBody); return nodeFactory.createNode<IfStatement>(condition, trueBody, falseBody);
@ -344,11 +372,14 @@ ptr<VariableDefinition> Parser::parseVariableDefinition()
bool const allowVar = true; bool const allowVar = true;
ptr<VariableDeclaration> variable = parseVariableDeclaration(allowVar); ptr<VariableDeclaration> variable = parseVariableDeclaration(allowVar);
ptr<Expression> value; ptr<Expression> value;
if (m_scanner->getCurrentToken() == Token::ASSIGN) { if (m_scanner->getCurrentToken() == Token::ASSIGN)
{
m_scanner->next(); m_scanner->next();
value = parseExpression(); value = parseExpression();
nodeFactory.setEndPositionFromNode(value); nodeFactory.setEndPositionFromNode(value);
} else { }
else
{
nodeFactory.setEndPositionFromNode(variable); nodeFactory.setEndPositionFromNode(variable);
} }
return nodeFactory.createNode<VariableDefinition>(variable, value); return nodeFactory.createNode<VariableDefinition>(variable, value);
@ -358,9 +389,8 @@ ptr<Expression> Parser::parseExpression()
{ {
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
ptr<Expression> expression = parseBinaryExpression(); ptr<Expression> expression = parseBinaryExpression();
if (!Token::IsAssignmentOp(m_scanner->getCurrentToken())) if (!Token::isAssignmentOp(m_scanner->getCurrentToken()))
return expression; return expression;
Token::Value assignmentOperator = expectAssignmentOperator(); Token::Value assignmentOperator = expectAssignmentOperator();
ptr<Expression> rightHandSide = parseExpression(); ptr<Expression> rightHandSide = parseExpression();
nodeFactory.setEndPositionFromNode(rightHandSide); nodeFactory.setEndPositionFromNode(rightHandSide);
@ -371,9 +401,11 @@ ptr<Expression> Parser::parseBinaryExpression(int _minPrecedence)
{ {
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
ptr<Expression> expression = parseUnaryExpression(); ptr<Expression> expression = parseUnaryExpression();
int precedence = Token::Precedence(m_scanner->getCurrentToken()); int precedence = Token::precedence(m_scanner->getCurrentToken());
for (; precedence >= _minPrecedence; --precedence) { for (; precedence >= _minPrecedence; --precedence)
while (Token::Precedence(m_scanner->getCurrentToken()) == precedence) { {
while (Token::precedence(m_scanner->getCurrentToken()) == precedence)
{
Token::Value op = m_scanner->getCurrentToken(); Token::Value op = m_scanner->getCurrentToken();
m_scanner->next(); m_scanner->next();
ptr<Expression> right = parseBinaryExpression(precedence + 1); ptr<Expression> right = parseBinaryExpression(precedence + 1);
@ -388,17 +420,20 @@ ptr<Expression> Parser::parseUnaryExpression()
{ {
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
Token::Value token = m_scanner->getCurrentToken(); Token::Value token = m_scanner->getCurrentToken();
if (Token::IsUnaryOp(token) || Token::IsCountOp(token)) { if (Token::isUnaryOp(token) || Token::isCountOp(token))
{
// prefix expression // prefix expression
m_scanner->next(); m_scanner->next();
ptr<Expression> subExpression = parseUnaryExpression(); ptr<Expression> subExpression = parseUnaryExpression();
nodeFactory.setEndPositionFromNode(subExpression); nodeFactory.setEndPositionFromNode(subExpression);
return nodeFactory.createNode<UnaryOperation>(token, subExpression, true); return nodeFactory.createNode<UnaryOperation>(token, subExpression, true);
} else { }
else
{
// potential postfix expression // potential postfix expression
ptr<Expression> subExpression = parseLeftHandSideExpression(); ptr<Expression> subExpression = parseLeftHandSideExpression();
token = m_scanner->getCurrentToken(); token = m_scanner->getCurrentToken();
if (!Token::IsCountOp(token)) if (!Token::isCountOp(token))
return subExpression; return subExpression;
nodeFactory.markEndPosition(); nodeFactory.markEndPosition();
m_scanner->next(); m_scanner->next();
@ -410,34 +445,35 @@ ptr<Expression> Parser::parseLeftHandSideExpression()
{ {
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
ptr<Expression> expression = parsePrimaryExpression(); ptr<Expression> expression = parsePrimaryExpression();
while (true)
while (true) { {
switch (m_scanner->getCurrentToken()) { switch (m_scanner->getCurrentToken())
{
case Token::LBRACK: case Token::LBRACK:
{ {
m_scanner->next(); m_scanner->next();
ptr<Expression> index = parseExpression(); ptr<Expression> index = parseExpression();
nodeFactory.markEndPosition(); nodeFactory.markEndPosition();
expectToken(Token::RBRACK); expectToken(Token::RBRACK);
expression = nodeFactory.createNode<IndexAccess>(expression, index); expression = nodeFactory.createNode<IndexAccess>(expression, index);
} }
break; break;
case Token::PERIOD: case Token::PERIOD:
{ {
m_scanner->next(); m_scanner->next();
nodeFactory.markEndPosition(); nodeFactory.markEndPosition();
expression = nodeFactory.createNode<MemberAccess>(expression, expectIdentifierToken()); expression = nodeFactory.createNode<MemberAccess>(expression, expectIdentifierToken());
} }
break; break;
case Token::LPAREN: case Token::LPAREN:
{ {
m_scanner->next(); m_scanner->next();
vecptr<Expression> arguments = parseFunctionCallArguments(); vecptr<Expression> arguments = parseFunctionCallArguments();
nodeFactory.markEndPosition(); nodeFactory.markEndPosition();
expectToken(Token::RPAREN); expectToken(Token::RPAREN);
expression = nodeFactory.createNode<FunctionCall>(expression, arguments); expression = nodeFactory.createNode<FunctionCall>(expression, arguments);
} }
break; break;
default: default:
return expression; return expression;
} }
@ -449,8 +485,8 @@ ptr<Expression> Parser::parsePrimaryExpression()
ASTNodeFactory nodeFactory(*this); ASTNodeFactory nodeFactory(*this);
Token::Value token = m_scanner->getCurrentToken(); Token::Value token = m_scanner->getCurrentToken();
ptr<Expression> expression; ptr<Expression> expression;
switch (token)
switch (token) { {
case Token::TRUE_LITERAL: case Token::TRUE_LITERAL:
case Token::FALSE_LITERAL: case Token::FALSE_LITERAL:
expression = nodeFactory.createNode<Literal>(token, ptr<ASTString>()); expression = nodeFactory.createNode<Literal>(token, ptr<ASTString>());
@ -466,18 +502,21 @@ ptr<Expression> Parser::parsePrimaryExpression()
expression = nodeFactory.createNode<Identifier>(getLiteralAndAdvance()); expression = nodeFactory.createNode<Identifier>(getLiteralAndAdvance());
break; break;
case Token::LPAREN: case Token::LPAREN:
{ {
m_scanner->next(); m_scanner->next();
ptr<Expression> expression = parseExpression(); ptr<Expression> expression = parseExpression();
expectToken(Token::RPAREN); expectToken(Token::RPAREN);
return expression; return expression;
} }
default: default:
if (Token::IsElementaryTypeName(token)) { if (Token::isElementaryTypeName(token))
{
// used for casts // used for casts
expression = nodeFactory.createNode<ElementaryTypeNameExpression>(token); expression = nodeFactory.createNode<ElementaryTypeNameExpression>(token);
m_scanner->next(); m_scanner->next();
} else { }
else
{
throwExpectationError("Expected primary expression."); throwExpectationError("Expected primary expression.");
return ptr<Expression>(); // this is not reached return ptr<Expression>(); // this is not reached
} }
@ -488,9 +527,11 @@ ptr<Expression> Parser::parsePrimaryExpression()
vecptr<Expression> Parser::parseFunctionCallArguments() vecptr<Expression> Parser::parseFunctionCallArguments()
{ {
vecptr<Expression> arguments; vecptr<Expression> arguments;
if (m_scanner->getCurrentToken() != Token::RPAREN) { if (m_scanner->getCurrentToken() != Token::RPAREN)
{
arguments.push_back(parseExpression()); arguments.push_back(parseExpression());
while (m_scanner->getCurrentToken() != Token::RPAREN) { while (m_scanner->getCurrentToken() != Token::RPAREN)
{
expectToken(Token::COMMA); expectToken(Token::COMMA);
arguments.push_back(parseExpression()); arguments.push_back(parseExpression());
} }
@ -501,14 +542,14 @@ vecptr<Expression> Parser::parseFunctionCallArguments()
void Parser::expectToken(Token::Value _value) void Parser::expectToken(Token::Value _value)
{ {
if (m_scanner->getCurrentToken() != _value) if (m_scanner->getCurrentToken() != _value)
throwExpectationError(std::string("Expected token ") + std::string(Token::Name(_value))); throwExpectationError(std::string("Expected token ") + std::string(Token::getName(_value)));
m_scanner->next(); m_scanner->next();
} }
Token::Value Parser::expectAssignmentOperator() Token::Value Parser::expectAssignmentOperator()
{ {
Token::Value op = m_scanner->getCurrentToken(); Token::Value op = m_scanner->getCurrentToken();
if (!Token::IsAssignmentOp(op)) if (!Token::isAssignmentOp(op))
throwExpectationError(std::string("Expected assignment operator")); throwExpectationError(std::string("Expected assignment operator"));
m_scanner->next(); m_scanner->next();
return op; return op;
@ -518,7 +559,6 @@ ptr<ASTString> Parser::expectIdentifierToken()
{ {
if (m_scanner->getCurrentToken() != Token::IDENTIFIER) if (m_scanner->getCurrentToken() != Token::IDENTIFIER)
throwExpectationError("Expected identifier"); throwExpectationError("Expected identifier");
return getLiteralAndAdvance(); return getLiteralAndAdvance();
} }
@ -540,9 +580,9 @@ void Parser::throwExpectationError(const std::string& _description)
<< ", column " << (column + 1) << "\n" << ", column " << (column + 1) << "\n"
<< m_scanner->getLineAtPosition(getPosition()) << "\n" << m_scanner->getLineAtPosition(getPosition()) << "\n"
<< std::string(column, ' ') << "^"; << std::string(column, ' ') << "^";
BOOST_THROW_EXCEPTION(ParserError() << errinfo_comment(buf.str())); BOOST_THROW_EXCEPTION(ParserError() << errinfo_comment(buf.str()));
} }
} } }
}

31
Parser.h
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -24,8 +24,10 @@
#include "libsolidity/AST.h" #include "libsolidity/AST.h"
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
class Scanner; class Scanner;
@ -77,4 +79,5 @@ private:
std::shared_ptr<Scanner> m_scanner; std::shared_ptr<Scanner> m_scanner;
}; };
} } }
}

911
Scanner.cpp
View File

File diff suppressed because it is too large Load Diff

98
Scanner.h
View File

@ -50,33 +50,36 @@
#include <libsolidity/BaseTypes.h> #include <libsolidity/BaseTypes.h>
#include <libsolidity/Token.h> #include <libsolidity/Token.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
class AstRawString; class AstRawString;
class AstValueFactory; class AstValueFactory;
class ParserRecorder; class ParserRecorder;
class CharStream { class CharStream
{
public: public:
CharStream() CharStream()
: m_pos(0) : m_pos(0)
{} {}
explicit CharStream(const std::string& _source) explicit CharStream(const std::string& _source) : m_source(_source), m_pos(0) {}
: m_source(_source), m_pos(0)
{}
int getPos() const { return m_pos; } int getPos() const { return m_pos; }
bool isPastEndOfInput() const { return m_pos >= m_source.size(); } bool isPastEndOfInput() const { return m_pos >= m_source.size(); }
char get() const { return m_source[m_pos]; } char get() const { return m_source[m_pos]; }
char advanceAndGet() { char advanceAndGet()
{
if (isPastEndOfInput()) return 0; if (isPastEndOfInput()) return 0;
++m_pos; ++m_pos;
if (isPastEndOfInput()) return 0; if (isPastEndOfInput()) return 0;
return get(); return get();
} }
char rollback(size_t _amount) { char rollback(size_t _amount)
{
BOOST_ASSERT(m_pos >= _amount); BOOST_ASSERT(m_pos >= _amount);
m_pos -= _amount; m_pos -= _amount;
return get(); return get();
@ -96,22 +99,17 @@ private:
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
// JavaScript Scanner. // JavaScript Scanner.
class Scanner { class Scanner
{
public: public:
// Scoped helper for literal recording. Automatically drops the literal // Scoped helper for literal recording. Automatically drops the literal
// if aborting the scanning before it's complete. // if aborting the scanning before it's complete.
class LiteralScope { class LiteralScope
{
public: public:
explicit LiteralScope(Scanner* self) explicit LiteralScope(Scanner* self) : scanner_(self), complete_(false) { scanner_->startNewLiteral(); }
: scanner_(self), complete_(false) { ~LiteralScope() { if (!complete_) scanner_->dropLiteral(); }
scanner_->startNewLiteral(); void Complete() { complete_ = true; }
}
~LiteralScope() {
if (!complete_) scanner_->dropLiteral();
}
void Complete() {
complete_ = true;
}
private: private:
Scanner* scanner_; Scanner* scanner_;
@ -143,7 +141,10 @@ public:
/// Functions that help pretty-printing parse errors. /// Functions that help pretty-printing parse errors.
/// Do only use in error cases, they are quite expensive. /// Do only use in error cases, they are quite expensive.
/// @{ /// @{
std::string getLineAtPosition(int _position) const { return m_source.getLineAtPosition(_position); } std::string getLineAtPosition(int _position) const
{
return m_source.getLineAtPosition(_position);
}
std::tuple<int, int> translatePositionToLineColumn(int _position) const std::tuple<int, int> translatePositionToLineColumn(int _position) const
{ {
return m_source.translatePositionToLineColumn(_position); return m_source.translatePositionToLineColumn(_position);
@ -152,56 +153,46 @@ public:
// Returns true if there was a line terminator before the peek'ed token, // Returns true if there was a line terminator before the peek'ed token,
// possibly inside a multi-line comment. // possibly inside a multi-line comment.
bool hasAnyLineTerminatorBeforeNext() const { bool hasAnyLineTerminatorBeforeNext() const
{
return m_hasLineTerminatorBeforeNext || return m_hasLineTerminatorBeforeNext ||
m_hasMultilineCommentBeforeNext; m_hasMultilineCommentBeforeNext;
} }
private: private:
// Used for the current and look-ahead token. // Used for the current and look-ahead token.
struct TokenDesc { struct TokenDesc
{
Token::Value token; Token::Value token;
Location location; Location location;
std::string literal; std::string literal;
}; };
// Literal buffer support // Literal buffer support
inline void startNewLiteral() { inline void startNewLiteral() { m_next_token.literal.clear(); }
m_next_token.literal.clear();
}
inline void addLiteralChar(char c) { inline void addLiteralChar(char c) { m_next_token.literal.push_back(c); }
m_next_token.literal.push_back(c);
}
inline void dropLiteral() { inline void dropLiteral() { m_next_token.literal.clear(); }
m_next_token.literal.clear();
}
inline void addLiteralCharAndAdvance() { inline void addLiteralCharAndAdvance() { addLiteralChar(m_char); advance(); }
addLiteralChar(m_char);
advance();
}
// Low-level scanning support. // Low-level scanning support.
bool advance() { m_char = m_source.advanceAndGet(); return !m_source.isPastEndOfInput(); } bool advance() { m_char = m_source.advanceAndGet(); return !m_source.isPastEndOfInput(); }
void rollback(int amount) { void rollback(int amount) { m_char = m_source.rollback(amount); }
m_char = m_source.rollback(amount);
}
inline Token::Value selectToken(Token::Value tok) { inline Token::Value selectToken(Token::Value tok) { advance(); return tok; }
advance();
return tok;
}
inline Token::Value selectToken(char next, Token::Value then, Token::Value else_) { inline Token::Value selectToken(char next, Token::Value then, Token::Value else_)
{
advance(); advance();
if (m_char == next) { if (m_char == next)
{
advance(); advance();
return then; return then;
} else {
return else_;
} }
else
return else_;
} }
bool scanHexNumber(char& scanned_number, int expected_length); bool scanHexNumber(char& scanned_number, int expected_length);
@ -225,12 +216,8 @@ private:
bool scanEscape(); bool scanEscape();
// Return the current source position. // Return the current source position.
int getSourcePos() { int getSourcePos() { return m_source.getPos(); }
return m_source.getPos(); bool isSourcePastEndOfInput() { return m_source.isPastEndOfInput(); }
}
bool isSourcePastEndOfInput() {
return m_source.isPastEndOfInput();
}
TokenDesc m_current_token; // desc for current token (as returned by Next()) TokenDesc m_current_token; // desc for current token (as returned by Next())
TokenDesc m_next_token; // desc for next token (one token look-ahead) TokenDesc m_next_token; // desc for next token (one token look-ahead)
@ -249,4 +236,5 @@ private:
bool m_hasMultilineCommentBeforeNext; bool m_hasMultilineCommentBeforeNext;
}; };
} } }
}

33
Scope.cpp
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -23,8 +23,10 @@
#include <libsolidity/Scope.h> #include <libsolidity/Scope.h>
#include <libsolidity/AST.h> #include <libsolidity/AST.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
bool Scope::registerDeclaration(Declaration& _declaration) bool Scope::registerDeclaration(Declaration& _declaration)
@ -35,7 +37,7 @@ bool Scope::registerDeclaration(Declaration& _declaration)
return true; return true;
} }
Declaration*Scope::resolveName(ASTString const& _name, bool _recursive) const Declaration* Scope::resolveName(ASTString const& _name, bool _recursive) const
{ {
auto result = m_declarations.find(_name); auto result = m_declarations.find(_name);
if (result != m_declarations.end()) if (result != m_declarations.end())
@ -45,4 +47,5 @@ Declaration*Scope::resolveName(ASTString const& _name, bool _recursive) const
return nullptr; return nullptr;
} }
} } }
}

31
Scope.h
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -28,8 +28,10 @@
#include <libsolidity/ASTForward.h> #include <libsolidity/ASTForward.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
class Scope class Scope
{ {
@ -46,4 +48,5 @@ private:
std::map<ASTString, Declaration*> m_declarations; std::map<ASTString, Declaration*> m_declarations;
}; };
} } }
}

21
Token.cpp
View File

@ -42,25 +42,30 @@
#include <libsolidity/Token.h> #include <libsolidity/Token.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
#define T(name, string, precedence) #name, #define T(name, string, precedence) #name,
const char* const Token::m_name[NUM_TOKENS] = { const char* const Token::m_name[NUM_TOKENS] =
{
TOKEN_LIST(T, T) TOKEN_LIST(T, T)
}; };
#undef T #undef T
#define T(name, string, precedence) string, #define T(name, string, precedence) string,
const char* const Token::m_string[NUM_TOKENS] = { const char* const Token::m_string[NUM_TOKENS] =
{
TOKEN_LIST(T, T) TOKEN_LIST(T, T)
}; };
#undef T #undef T
#define T(name, string, precedence) precedence, #define T(name, string, precedence) precedence,
const int8_t Token::m_precedence[NUM_TOKENS] = { const int8_t Token::m_precedence[NUM_TOKENS] =
{
TOKEN_LIST(T, T) TOKEN_LIST(T, T)
}; };
#undef T #undef T
@ -68,10 +73,12 @@ const int8_t Token::m_precedence[NUM_TOKENS] = {
#define KT(a, b, c) 'T', #define KT(a, b, c) 'T',
#define KK(a, b, c) 'K', #define KK(a, b, c) 'K',
const char Token::m_tokenType[] = { const char Token::m_tokenType[] =
{
TOKEN_LIST(KT, KK) TOKEN_LIST(KT, KK)
}; };
#undef KT #undef KT
#undef KK #undef KK
} } }
}

194
Token.h
View File

@ -47,8 +47,10 @@
#include <libdevcore/Common.h> #include <libdevcore/Common.h>
#include <libdevcore/Log.h> #include <libdevcore/Log.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
// TOKEN_LIST takes a list of 3 macros M, all of which satisfy the // TOKEN_LIST takes a list of 3 macros M, all of which satisfy the
// same signature M(name, string, precedence), where name is the // same signature M(name, string, precedence), where name is the
@ -68,7 +70,7 @@ namespace solidity {
#define TOKEN_LIST(T, K) \ #define TOKEN_LIST(T, K) \
/* End of source indicator. */ \ /* End of source indicator. */ \
T(EOS, "EOS", 0) \ T(EOS, "EOS", 0) \
\ \
/* Punctuators (ECMA-262, section 7.7, page 15). */ \ /* Punctuators (ECMA-262, section 7.7, page 15). */ \
T(LPAREN, "(", 0) \ T(LPAREN, "(", 0) \
T(RPAREN, ")", 0) \ T(RPAREN, ")", 0) \
@ -83,7 +85,7 @@ namespace solidity {
T(INC, "++", 0) \ T(INC, "++", 0) \
T(DEC, "--", 0) \ T(DEC, "--", 0) \
T(ARROW, "=>", 0) \ T(ARROW, "=>", 0) \
\ \
/* Assignment operators. */ \ /* Assignment operators. */ \
/* IsAssignmentOp() and Assignment::is_compound() relies on */ \ /* IsAssignmentOp() and Assignment::is_compound() relies on */ \
/* this block of enum values being contiguous and sorted in the */ \ /* this block of enum values being contiguous and sorted in the */ \
@ -105,7 +107,7 @@ namespace solidity {
T(ASSIGN_MUL, "*=", 2) \ T(ASSIGN_MUL, "*=", 2) \
T(ASSIGN_DIV, "/=", 2) \ T(ASSIGN_DIV, "/=", 2) \
T(ASSIGN_MOD, "%=", 2) \ T(ASSIGN_MOD, "%=", 2) \
\ \
/* Binary operators sorted by precedence. */ \ /* Binary operators sorted by precedence. */ \
/* IsBinaryOp() relies on this block of enum values */ \ /* IsBinaryOp() relies on this block of enum values */ \
/* being contiguous and sorted in the same order! */ \ /* being contiguous and sorted in the same order! */ \
@ -123,7 +125,7 @@ namespace solidity {
T(MUL, "*", 13) \ T(MUL, "*", 13) \
T(DIV, "/", 13) \ T(DIV, "/", 13) \
T(MOD, "%", 13) \ T(MOD, "%", 13) \
\ \
/* Compare operators sorted by precedence. */ \ /* Compare operators sorted by precedence. */ \
/* IsCompareOp() relies on this block of enum values */ \ /* IsCompareOp() relies on this block of enum values */ \
/* being contiguous and sorted in the same order! */ \ /* being contiguous and sorted in the same order! */ \
@ -137,7 +139,7 @@ namespace solidity {
T(GTE, ">=", 10) \ T(GTE, ">=", 10) \
K(INSTANCEOF, "instanceof", 10) \ K(INSTANCEOF, "instanceof", 10) \
K(IN, "in", 10) \ K(IN, "in", 10) \
\ \
/* Unary operators. */ \ /* Unary operators. */ \
/* IsUnaryOp() relies on this block of enum values */ \ /* IsUnaryOp() relies on this block of enum values */ \
/* being contiguous and sorted in the same order! */ \ /* being contiguous and sorted in the same order! */ \
@ -146,7 +148,7 @@ namespace solidity {
K(DELETE, "delete", 0) \ K(DELETE, "delete", 0) \
K(TYPEOF, "typeof", 0) \ K(TYPEOF, "typeof", 0) \
K(VOID, "void", 0) \ K(VOID, "void", 0) \
\ \
/* Keywords (ECMA-262, section 7.5.2, page 13). */ \ /* Keywords (ECMA-262, section 7.5.2, page 13). */ \
K(BREAK, "break", 0) \ K(BREAK, "break", 0) \
K(CASE, "case", 0) \ K(CASE, "case", 0) \
@ -180,7 +182,7 @@ namespace solidity {
/* VOID */ \ /* VOID */ \
K(WHILE, "while", 0) \ K(WHILE, "while", 0) \
K(WITH, "with", 0) \ K(WITH, "with", 0) \
\ \
/* type keywords, keep them in this order, keep int as first keyword /* type keywords, keep them in this order, keep int as first keyword
* the implementation in Types.cpp has to be synced to this here * the implementation in Types.cpp has to be synced to this here
* TODO more to be added */ \ * TODO more to be added */ \
@ -206,17 +208,17 @@ namespace solidity {
K(REAL, "real", 0) \ K(REAL, "real", 0) \
K(UREAL, "ureal", 0) \ K(UREAL, "ureal", 0) \
T(TYPES_END, NULL, 0) /* used as type enum end marker */ \ T(TYPES_END, NULL, 0) /* used as type enum end marker */ \
\ \
/* Literals (ECMA-262, section 7.8, page 16). */ \ /* Literals (ECMA-262, section 7.8, page 16). */ \
K(NULL_LITERAL, "null", 0) \ K(NULL_LITERAL, "null", 0) \
K(TRUE_LITERAL, "true", 0) \ K(TRUE_LITERAL, "true", 0) \
K(FALSE_LITERAL, "false", 0) \ K(FALSE_LITERAL, "false", 0) \
T(NUMBER, NULL, 0) \ T(NUMBER, NULL, 0) \
T(STRING_LITERAL, NULL, 0) \ T(STRING_LITERAL, NULL, 0) \
\ \
/* Identifiers (not keywords or future reserved words). */ \ /* Identifiers (not keywords or future reserved words). */ \
T(IDENTIFIER, NULL, 0) \ T(IDENTIFIER, NULL, 0) \
\ \
/* Future reserved words (ECMA-262, section 7.6.1.2). */ \ /* Future reserved words (ECMA-262, section 7.6.1.2). */ \
T(FUTURE_RESERVED_WORD, NULL, 0) \ T(FUTURE_RESERVED_WORD, NULL, 0) \
T(FUTURE_STRICT_RESERVED_WORD, NULL, 0) \ T(FUTURE_STRICT_RESERVED_WORD, NULL, 0) \
@ -227,21 +229,23 @@ namespace solidity {
K(IMPORT, "import", 0) \ K(IMPORT, "import", 0) \
K(LET, "let", 0) \ K(LET, "let", 0) \
K(STATIC, "static", 0) \ K(STATIC, "static", 0) \
/* K(YIELD, "yield", 0) */ \ /* K(YIELD, "yield", 0) */ \
K(SUPER, "super", 0) \ K(SUPER, "super", 0) \
\ \
/* Illegal token - not able to scan. */ \ /* Illegal token - not able to scan. */ \
T(ILLEGAL, "ILLEGAL", 0) \ T(ILLEGAL, "ILLEGAL", 0) \
\ \
/* Scanner-internal use only. */ \ /* Scanner-internal use only. */ \
T(WHITESPACE, NULL, 0) T(WHITESPACE, NULL, 0)
class Token { class Token
{
public: public:
// All token values. // All token values.
#define T(name, string, precedence) name, #define T(name, string, precedence) name,
enum Value { enum Value
{
TOKEN_LIST(T, T) TOKEN_LIST(T, T)
NUM_TOKENS NUM_TOKENS
}; };
@ -249,123 +253,110 @@ public:
// Returns a string corresponding to the C++ token name // Returns a string corresponding to the C++ token name
// (e.g. "LT" for the token LT). // (e.g. "LT" for the token LT).
static const char* Name(Value tok) { static const char* getName(Value tok)
{
BOOST_ASSERT(tok < NUM_TOKENS); // tok is unsigned BOOST_ASSERT(tok < NUM_TOKENS); // tok is unsigned
return m_name[tok]; return m_name[tok];
} }
// Predicates // Predicates
static bool IsKeyword(Value tok) { static bool isKeyword(Value tok) { return m_tokenType[tok] == 'K'; }
return m_tokenType[tok] == 'K'; static bool isIdentifier(Value tok) { return tok == IDENTIFIER; }
} static bool isElementaryTypeName(Value tok) { return INT <= tok && tok < TYPES_END; }
static bool isAssignmentOp(Value tok) { return INIT_VAR <= tok && tok <= ASSIGN_MOD; }
static bool IsIdentifier(Value tok) { static bool isBinaryOp(Value op) { return COMMA <= op && op <= MOD; }
return tok == IDENTIFIER; static bool isTruncatingBinaryOp(Value op) { return BIT_OR <= op && op <= SHR; }
} static bool isCompareOp(Value op) { return EQ <= op && op <= IN; }
static bool isOrderedRelationalCompareOp(Value op)
static bool IsElementaryTypeName(Value tok) { {
return INT <= tok && tok < TYPES_END;
}
static bool IsAssignmentOp(Value tok) {
return INIT_VAR <= tok && tok <= ASSIGN_MOD;
}
static bool IsBinaryOp(Value op) {
return COMMA <= op && op <= MOD;
}
static bool IsTruncatingBinaryOp(Value op) {
return BIT_OR <= op && op <= SHR;
}
static bool IsCompareOp(Value op) {
return EQ <= op && op <= IN;
}
static bool IsOrderedRelationalCompareOp(Value op) {
return op == LT || op == LTE || op == GT || op == GTE; return op == LT || op == LTE || op == GT || op == GTE;
} }
static bool isEqualityOp(Value op) { return op == EQ || op == EQ_STRICT; }
static bool IsEqualityOp(Value op) { static bool isInequalityOp(Value op) { return op == NE || op == NE_STRICT; }
return op == EQ || op == EQ_STRICT; static bool isArithmeticCompareOp(Value op)
{
return isOrderedRelationalCompareOp(op) ||
isEqualityOp(op) || isInequalityOp(op);
} }
static bool IsInequalityOp(Value op) { static Value negateCompareOp(Value op)
return op == NE || op == NE_STRICT; {
} BOOST_ASSERT(isArithmeticCompareOp(op));
switch (op)
static bool IsArithmeticCompareOp(Value op) { {
return IsOrderedRelationalCompareOp(op) || case EQ:
IsEqualityOp(op) || IsInequalityOp(op); return NE;
} case NE:
return EQ;
static Value NegateCompareOp(Value op) { case EQ_STRICT:
BOOST_ASSERT(IsArithmeticCompareOp(op)); return NE_STRICT;
switch (op) { case NE_STRICT:
case EQ: return NE; return EQ_STRICT;
case NE: return EQ; case LT:
case EQ_STRICT: return NE_STRICT; return GTE;
case NE_STRICT: return EQ_STRICT; case GT:
case LT: return GTE; return LTE;
case GT: return LTE; case LTE:
case LTE: return GT; return GT;
case GTE: return LT; case GTE:
return LT;
default: default:
BOOST_ASSERT(false); // should not get here BOOST_ASSERT(false); // should not get here
return op; return op;
} }
} }
static Value ReverseCompareOp(Value op) { static Value reverseCompareOp(Value op)
BOOST_ASSERT(IsArithmeticCompareOp(op)); {
switch (op) { BOOST_ASSERT(isArithmeticCompareOp(op));
case EQ: return EQ; switch (op)
case NE: return NE; {
case EQ_STRICT: return EQ_STRICT; case EQ:
case NE_STRICT: return NE_STRICT; return EQ;
case LT: return GT; case NE:
case GT: return LT; return NE;
case LTE: return GTE; case EQ_STRICT:
case GTE: return LTE; return EQ_STRICT;
case NE_STRICT:
return NE_STRICT;
case LT:
return GT;
case GT:
return LT;
case LTE:
return GTE;
case GTE:
return LTE;
default: default:
BOOST_ASSERT(false); // should not get here BOOST_ASSERT(false); // should not get here
return op; return op;
} }
} }
static Value AssignmentToBinaryOp(Value op) { static Value AssignmentToBinaryOp(Value op)
BOOST_ASSERT(IsAssignmentOp(op) && op != ASSIGN); {
BOOST_ASSERT(isAssignmentOp(op) && op != ASSIGN);
return Token::Value(op + (BIT_OR - ASSIGN_BIT_OR)); return Token::Value(op + (BIT_OR - ASSIGN_BIT_OR));
} }
static bool IsBitOp(Value op) { static bool isBitOp(Value op) { return (BIT_OR <= op && op <= SHR) || op == BIT_NOT; }
return (BIT_OR <= op && op <= SHR) || op == BIT_NOT; static bool isUnaryOp(Value op) { return (NOT <= op && op <= VOID) || op == ADD || op == SUB; }
} static bool isCountOp(Value op) { return op == INC || op == DEC; }
static bool isShiftOp(Value op) { return (SHL <= op) && (op <= SHR); }
static bool IsUnaryOp(Value op) {
return (NOT <= op && op <= VOID) || op == ADD || op == SUB;
}
static bool IsCountOp(Value op) {
return op == INC || op == DEC;
}
static bool IsShiftOp(Value op) {
return (SHL <= op) && (op <= SHR);
}
// Returns a string corresponding to the JS token string // Returns a string corresponding to the JS token string
// (.e., "<" for the token LT) or NULL if the token doesn't // (.e., "<" for the token LT) or NULL if the token doesn't
// have a (unique) string (e.g. an IDENTIFIER). // have a (unique) string (e.g. an IDENTIFIER).
static const char* String(Value tok) { static const char* toString(Value tok)
{
BOOST_ASSERT(tok < NUM_TOKENS); // tok is unsigned. BOOST_ASSERT(tok < NUM_TOKENS); // tok is unsigned.
return m_string[tok]; return m_string[tok];
} }
// Returns the precedence > 0 for binary and compare // Returns the precedence > 0 for binary and compare
// operators; returns 0 otherwise. // operators; returns 0 otherwise.
static int Precedence(Value tok) { static int precedence(Value tok)
{
BOOST_ASSERT(tok < NUM_TOKENS); // tok is unsigned. BOOST_ASSERT(tok < NUM_TOKENS); // tok is unsigned.
return m_precedence[tok]; return m_precedence[tok];
} }
@ -377,4 +368,5 @@ private:
static const char m_tokenType[NUM_TOKENS]; static const char m_tokenType[NUM_TOKENS];
}; };
} } }
}

66
Types.cpp
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -23,12 +23,15 @@
#include <libsolidity/Types.h> #include <libsolidity/Types.h>
#include <libsolidity/AST.h> #include <libsolidity/AST.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
ptr<Type> Type::fromElementaryTypeName(Token::Value _typeToken) ptr<Type> Type::fromElementaryTypeName(Token::Value _typeToken)
{ {
if (Token::INT <= _typeToken && _typeToken <= Token::HASH256) { if (Token::INT <= _typeToken && _typeToken <= Token::HASH256)
{
int offset = _typeToken - Token::INT; int offset = _typeToken - Token::INT;
int bits = offset % 5; int bits = offset % 5;
if (bits == 0) if (bits == 0)
@ -39,15 +42,14 @@ ptr<Type> Type::fromElementaryTypeName(Token::Value _typeToken)
return std::make_shared<IntegerType>(bits, return std::make_shared<IntegerType>(bits,
modifier == 0 ? IntegerType::Modifier::SIGNED : modifier == 0 ? IntegerType::Modifier::SIGNED :
modifier == 1 ? IntegerType::Modifier::UNSIGNED : modifier == 1 ? IntegerType::Modifier::UNSIGNED :
IntegerType::Modifier::HASH); IntegerType::Modifier::HASH);
} else if (_typeToken == Token::ADDRESS) {
return std::make_shared<IntegerType>(0, IntegerType::Modifier::ADDRESS);
} else if (_typeToken == Token::BOOL) {
return std::make_shared<BoolType>();
} else {
BOOST_ASSERT(false);
// @todo add other tyes
} }
else if (_typeToken == Token::ADDRESS)
return std::make_shared<IntegerType>(0, IntegerType::Modifier::ADDRESS);
else if (_typeToken == Token::BOOL)
return std::make_shared<BoolType>();
else
BOOST_ASSERT(false); // @todo add other tyes
} }
ptr<Type> Type::fromUserDefinedTypeName(const UserDefinedTypeName& _typeName) ptr<Type> Type::fromUserDefinedTypeName(const UserDefinedTypeName& _typeName)
@ -63,7 +65,8 @@ ptr<Type> Type::fromMapping(const Mapping&)
ptr<Type> Type::forLiteral(const Literal& _literal) ptr<Type> Type::forLiteral(const Literal& _literal)
{ {
switch (_literal.getToken()) { switch (_literal.getToken())
{
case Token::TRUE_LITERAL: case Token::TRUE_LITERAL:
case Token::FALSE_LITERAL: case Token::FALSE_LITERAL:
return std::make_shared<BoolType>(); return std::make_shared<BoolType>();
@ -114,13 +117,12 @@ bool IntegerType::isExplicitlyConvertibleTo(const Type& _convertTo) const
bool IntegerType::acceptsBinaryOperator(Token::Value _operator) const bool IntegerType::acceptsBinaryOperator(Token::Value _operator) const
{ {
if (isAddress()) { if (isAddress())
return Token::IsCompareOp(_operator); return Token::isCompareOp(_operator);
} else if (isHash()) { else if (isHash())
return Token::IsCompareOp(_operator) || Token::IsBitOp(_operator); return Token::isCompareOp(_operator) || Token::isBitOp(_operator);
} else { else
return true; return true;
}
} }
bool IntegerType::acceptsUnaryOperator(Token::Value _operator) const bool IntegerType::acceptsUnaryOperator(Token::Value _operator) const
@ -132,7 +134,8 @@ bool BoolType::isExplicitlyConvertibleTo(const Type& _convertTo) const
{ {
// conversion to integer is fine, but not to address // conversion to integer is fine, but not to address
// this is an example of explicit conversions being not transitive (though implicit should be) // this is an example of explicit conversions being not transitive (though implicit should be)
if (_convertTo.getCategory() == Category::INTEGER) { if (_convertTo.getCategory() == Category::INTEGER)
{
IntegerType const& convertTo = dynamic_cast<IntegerType const&>(_convertTo); IntegerType const& convertTo = dynamic_cast<IntegerType const&>(_convertTo);
if (!convertTo.isAddress()) if (!convertTo.isAddress())
return true; return true;
@ -157,4 +160,5 @@ bool StructType::isImplicitlyConvertibleTo(const Type& _convertTo) const
} }
} } }
}

58
Types.h
View File

@ -1,18 +1,18 @@
/* /*
This file is part of cpp-ethereum. This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify 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 it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or the Free Software Foundation, either version 3 of the License, or
(at your option) any later version. (at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful, cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details. GNU General Public License for more details.
You should have received a copy of the GNU General Public License You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>. along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/ */
/** /**
* @author Christian <c@ethdev.com> * @author Christian <c@ethdev.com>
@ -29,8 +29,10 @@
#include <libsolidity/Token.h> #include <libsolidity/Token.h>
namespace dev { namespace dev
namespace solidity { {
namespace solidity
{
// AST forward declarations // AST forward declarations
class ContractDefinition; class ContractDefinition;
@ -49,7 +51,8 @@ using ptr = std::shared_ptr<T>;
class Type : private boost::noncopyable class Type : private boost::noncopyable
{ {
public: public:
enum class Category { enum class Category
{
INTEGER, BOOL, REAL, STRING, CONTRACT, STRUCT, FUNCTION, MAPPING, VOID, TYPE INTEGER, BOOL, REAL, STRING, CONTRACT, STRUCT, FUNCTION, MAPPING, VOID, TYPE
}; };
@ -62,7 +65,10 @@ public:
virtual Category getCategory() const = 0; virtual Category getCategory() const = 0;
virtual bool isImplicitlyConvertibleTo(const Type&) const { return false; } virtual bool isImplicitlyConvertibleTo(const Type&) const { return false; }
virtual bool isExplicitlyConvertibleTo(const Type& _convertTo) const { return isImplicitlyConvertibleTo(_convertTo); } virtual bool isExplicitlyConvertibleTo(const Type& _convertTo) const
{
return isImplicitlyConvertibleTo(_convertTo);
}
virtual bool acceptsBinaryOperator(Token::Value) const { return false; } virtual bool acceptsBinaryOperator(Token::Value) const { return false; }
virtual bool acceptsUnaryOperator(Token::Value) const { return false; } virtual bool acceptsUnaryOperator(Token::Value) const { return false; }
}; };
@ -70,7 +76,8 @@ public:
class IntegerType : public Type class IntegerType : public Type
{ {
public: public:
enum class Modifier { enum class Modifier
{
UNSIGNED, SIGNED, HASH, ADDRESS UNSIGNED, SIGNED, HASH, ADDRESS
}; };
virtual Category getCategory() const { return Category::INTEGER; } virtual Category getCategory() const { return Category::INTEGER; }
@ -98,12 +105,18 @@ class BoolType : public Type
public: public:
virtual Category getCategory() const { return Category::BOOL; } virtual Category getCategory() const { return Category::BOOL; }
virtual bool isImplicitlyConvertibleTo(const Type& _convertTo) const override virtual bool isImplicitlyConvertibleTo(const Type& _convertTo) const override
{ return _convertTo.getCategory() == Category::BOOL; } {
return _convertTo.getCategory() == Category::BOOL;
}
virtual bool isExplicitlyConvertibleTo(const Type& _convertTo) const override; virtual bool isExplicitlyConvertibleTo(const Type& _convertTo) const override;
virtual bool acceptsBinaryOperator(Token::Value _operator) const override virtual bool acceptsBinaryOperator(Token::Value _operator) const override
{ return _operator == Token::AND || _operator == Token::OR; } {
return _operator == Token::AND || _operator == Token::OR;
}
virtual bool acceptsUnaryOperator(Token::Value _operator) const override virtual bool acceptsUnaryOperator(Token::Value _operator) const override
{ return _operator == Token::NOT || _operator == Token::DELETE; } {
return _operator == Token::NOT || _operator == Token::DELETE;
}
}; };
class ContractType : public Type class ContractType : public Type
@ -123,7 +136,9 @@ public:
StructType(StructDefinition const& _struct) : m_struct(_struct) {} StructType(StructDefinition const& _struct) : m_struct(_struct) {}
virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const; virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const;
virtual bool acceptsUnaryOperator(Token::Value _operator) const override virtual bool acceptsUnaryOperator(Token::Value _operator) const override
{ return _operator == Token::DELETE; } {
return _operator == Token::DELETE;
}
private: private:
StructDefinition const& m_struct; StructDefinition const& m_struct;
}; };
@ -168,4 +183,5 @@ private:
}; };
} } }
}