diff options
Diffstat (limited to 'libsolidity')
-rw-r--r-- | libsolidity/analysis/ConstantEvaluator.cpp | 4 | ||||
-rw-r--r-- | libsolidity/analysis/SemVerHandler.cpp | 4 | ||||
-rw-r--r-- | libsolidity/analysis/SemVerHandler.h | 8 | ||||
-rw-r--r-- | libsolidity/analysis/SyntaxChecker.cpp | 2 | ||||
-rw-r--r-- | libsolidity/analysis/TypeChecker.cpp | 14 | ||||
-rw-r--r-- | libsolidity/ast/AST.h | 58 | ||||
-rw-r--r-- | libsolidity/ast/ASTJsonConverter.cpp | 12 | ||||
-rw-r--r-- | libsolidity/ast/ASTJsonConverter.h | 2 | ||||
-rw-r--r-- | libsolidity/ast/ASTPrinter.cpp | 8 | ||||
-rw-r--r-- | libsolidity/ast/Types.cpp | 64 | ||||
-rw-r--r-- | libsolidity/ast/Types.h | 58 | ||||
-rw-r--r-- | libsolidity/codegen/ExpressionCompiler.cpp | 40 | ||||
-rw-r--r-- | libsolidity/codegen/ExpressionCompiler.h | 12 | ||||
-rw-r--r-- | libsolidity/formal/SMTChecker.cpp | 12 | ||||
-rw-r--r-- | libsolidity/parsing/Parser.cpp | 80 | ||||
-rw-r--r-- | libsolidity/parsing/ParserBase.cpp | 20 | ||||
-rw-r--r-- | libsolidity/parsing/ParserBase.h | 8 | ||||
-rw-r--r-- | libsolidity/parsing/Scanner.cpp | 32 | ||||
-rw-r--r-- | libsolidity/parsing/Scanner.h | 30 | ||||
-rw-r--r-- | libsolidity/parsing/Token.cpp | 98 | ||||
-rw-r--r-- | libsolidity/parsing/Token.h | 145 |
21 files changed, 352 insertions, 359 deletions
diff --git a/libsolidity/analysis/ConstantEvaluator.cpp b/libsolidity/analysis/ConstantEvaluator.cpp index 8659bbfd..f9b00927 100644 --- a/libsolidity/analysis/ConstantEvaluator.cpp +++ b/libsolidity/analysis/ConstantEvaluator.cpp @@ -46,7 +46,7 @@ void ConstantEvaluator::endVisit(BinaryOperation const& _operation) m_errorReporter.fatalTypeError( _operation.location(), "Operator " + - string(Token::toString(_operation.getOperator())) + + string(TokenTraits::toString(_operation.getOperator())) + " not compatible with types " + left->toString() + " and " + @@ -54,7 +54,7 @@ void ConstantEvaluator::endVisit(BinaryOperation const& _operation) ); setType( _operation, - Token::isCompareOp(_operation.getOperator()) ? + TokenTraits::isCompareOp(_operation.getOperator()) ? make_shared<BoolType>() : commonType ); diff --git a/libsolidity/analysis/SemVerHandler.cpp b/libsolidity/analysis/SemVerHandler.cpp index 29f6d5de..64fa17b3 100644 --- a/libsolidity/analysis/SemVerHandler.cpp +++ b/libsolidity/analysis/SemVerHandler.cpp @@ -199,7 +199,7 @@ void SemVerMatchExpressionParser::parseMatchExpression() SemVerMatchExpression::MatchComponent SemVerMatchExpressionParser::parseMatchComponent() { SemVerMatchExpression::MatchComponent component; - Token::Value token = currentToken(); + Token token = currentToken(); switch (token) { @@ -280,7 +280,7 @@ char SemVerMatchExpressionParser::nextChar() return currentChar(); } -Token::Value SemVerMatchExpressionParser::currentToken() const +Token SemVerMatchExpressionParser::currentToken() const { if (m_pos < m_tokens.size()) return m_tokens[m_pos]; diff --git a/libsolidity/analysis/SemVerHandler.h b/libsolidity/analysis/SemVerHandler.h index 76b70c5b..03a557c5 100644 --- a/libsolidity/analysis/SemVerHandler.h +++ b/libsolidity/analysis/SemVerHandler.h @@ -61,7 +61,7 @@ struct SemVerMatchExpression struct MatchComponent { /// Prefix from < > <= >= ~ ^ - Token::Value prefix = Token::Illegal; + Token prefix = Token::Illegal; /// Version, where unsigned(-1) in major, minor or patch denotes '*', 'x' or 'X' SemVerVersion version; /// Whether we have 1, 1.2 or 1.2.4 @@ -81,7 +81,7 @@ struct SemVerMatchExpression class SemVerMatchExpressionParser { public: - SemVerMatchExpressionParser(std::vector<Token::Value> const& _tokens, std::vector<std::string> const& _literals): + SemVerMatchExpressionParser(std::vector<Token> const& _tokens, std::vector<std::string> const& _literals): m_tokens(_tokens), m_literals(_literals) {} SemVerMatchExpression parse(); @@ -95,10 +95,10 @@ private: char currentChar() const; char nextChar(); - Token::Value currentToken() const; + Token currentToken() const; void nextToken(); - std::vector<Token::Value> m_tokens; + std::vector<Token> m_tokens; std::vector<std::string> m_literals; unsigned m_pos = 0; diff --git a/libsolidity/analysis/SyntaxChecker.cpp b/libsolidity/analysis/SyntaxChecker.cpp index ab544388..3f9f8373 100644 --- a/libsolidity/analysis/SyntaxChecker.cpp +++ b/libsolidity/analysis/SyntaxChecker.cpp @@ -106,7 +106,7 @@ bool SyntaxChecker::visit(PragmaDirective const& _pragma) } else if (_pragma.literals()[0] == "solidity") { - vector<Token::Value> tokens(_pragma.tokens().begin() + 1, _pragma.tokens().end()); + vector<Token> tokens(_pragma.tokens().begin() + 1, _pragma.tokens().end()); vector<string> literals(_pragma.literals().begin() + 1, _pragma.literals().end()); SemVerMatchExpressionParser parser(tokens, literals); auto matchExpression = parser.parse(); diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp index 3830935f..3774cf86 100644 --- a/libsolidity/analysis/TypeChecker.cpp +++ b/libsolidity/analysis/TypeChecker.cpp @@ -1499,14 +1499,14 @@ bool TypeChecker::visit(Assignment const& _assignment) // compound assignment _assignment.rightHandSide().accept(*this); TypePointer resultType = t->binaryOperatorResult( - Token::AssignmentToBinaryOp(_assignment.assignmentOperator()), + TokenTraits::AssignmentToBinaryOp(_assignment.assignmentOperator()), type(_assignment.rightHandSide()) ); if (!resultType || *resultType != *t) m_errorReporter.typeError( _assignment.location(), "Operator " + - string(Token::toString(_assignment.assignmentOperator())) + + string(TokenTraits::toString(_assignment.assignmentOperator())) + " not compatible with types " + t->toString() + " and " + @@ -1607,8 +1607,8 @@ bool TypeChecker::visit(TupleExpression const& _tuple) bool TypeChecker::visit(UnaryOperation const& _operation) { // Inc, Dec, Add, Sub, Not, BitNot, Delete - Token::Value op = _operation.getOperator(); - bool const modifying = (op == Token::Value::Inc || op == Token::Value::Dec || op == Token::Value::Delete); + Token op = _operation.getOperator(); + bool const modifying = (op == Token::Inc || op == Token::Dec || op == Token::Delete); if (modifying) requireLValue(_operation.subExpression()); else @@ -1620,7 +1620,7 @@ bool TypeChecker::visit(UnaryOperation const& _operation) m_errorReporter.typeError( _operation.location(), "Unary operator " + - string(Token::toString(op)) + + string(TokenTraits::toString(op)) + " cannot be applied to type " + subExprType->toString() ); @@ -1641,7 +1641,7 @@ void TypeChecker::endVisit(BinaryOperation const& _operation) m_errorReporter.typeError( _operation.location(), "Operator " + - string(Token::toString(_operation.getOperator())) + + string(TokenTraits::toString(_operation.getOperator())) + " not compatible with types " + leftType->toString() + " and " + @@ -1651,7 +1651,7 @@ void TypeChecker::endVisit(BinaryOperation const& _operation) } _operation.annotation().commonType = commonType; _operation.annotation().type = - Token::isCompareOp(_operation.getOperator()) ? + TokenTraits::isCompareOp(_operation.getOperator()) ? make_shared<BoolType>() : commonType; _operation.annotation().isPure = diff --git a/libsolidity/ast/AST.h b/libsolidity/ast/AST.h index b84f9730..d819402e 100644 --- a/libsolidity/ast/AST.h +++ b/libsolidity/ast/AST.h @@ -237,7 +237,7 @@ class PragmaDirective: public ASTNode public: PragmaDirective( SourceLocation const& _location, - std::vector<Token::Value> const& _tokens, + std::vector<Token> const& _tokens, std::vector<ASTString> const& _literals ): ASTNode(_location), m_tokens(_tokens), m_literals(_literals) {} @@ -245,13 +245,13 @@ public: virtual void accept(ASTVisitor& _visitor) override; virtual void accept(ASTConstVisitor& _visitor) const override; - std::vector<Token::Value> const& tokens() const { return m_tokens; } + std::vector<Token> const& tokens() const { return m_tokens; } std::vector<ASTString> const& literals() const { return m_literals; } private: /// Sequence of tokens following the "pragma" keyword. - std::vector<Token::Value> m_tokens; + std::vector<Token> m_tokens; /// Sequence of literals following the "pragma" keyword. std::vector<ASTString> m_literals; }; @@ -1379,7 +1379,7 @@ public: Assignment( SourceLocation const& _location, ASTPointer<Expression> const& _leftHandSide, - Token::Value _assignmentOperator, + Token _assignmentOperator, ASTPointer<Expression> const& _rightHandSide ): Expression(_location), @@ -1387,18 +1387,18 @@ public: m_assigmentOperator(_assignmentOperator), m_rightHandSide(_rightHandSide) { - solAssert(Token::isAssignmentOp(_assignmentOperator), ""); + solAssert(TokenTraits::isAssignmentOp(_assignmentOperator), ""); } virtual void accept(ASTVisitor& _visitor) override; virtual void accept(ASTConstVisitor& _visitor) const override; Expression const& leftHandSide() const { return *m_leftHandSide; } - Token::Value assignmentOperator() const { return m_assigmentOperator; } + Token assignmentOperator() const { return m_assigmentOperator; } Expression const& rightHandSide() const { return *m_rightHandSide; } private: ASTPointer<Expression> m_leftHandSide; - Token::Value m_assigmentOperator; + Token m_assigmentOperator; ASTPointer<Expression> m_rightHandSide; }; @@ -1441,7 +1441,7 @@ class UnaryOperation: public Expression public: UnaryOperation( SourceLocation const& _location, - Token::Value _operator, + Token _operator, ASTPointer<Expression> const& _subExpression, bool _isPrefix ): @@ -1450,17 +1450,17 @@ public: m_subExpression(_subExpression), m_isPrefix(_isPrefix) { - solAssert(Token::isUnaryOp(_operator), ""); + solAssert(TokenTraits::isUnaryOp(_operator), ""); } virtual void accept(ASTVisitor& _visitor) override; virtual void accept(ASTConstVisitor& _visitor) const override; - Token::Value getOperator() const { return m_operator; } + Token getOperator() const { return m_operator; } bool isPrefixOperation() const { return m_isPrefix; } Expression const& subExpression() const { return *m_subExpression; } private: - Token::Value m_operator; + Token m_operator; ASTPointer<Expression> m_subExpression; bool m_isPrefix; }; @@ -1475,25 +1475,25 @@ public: BinaryOperation( SourceLocation const& _location, ASTPointer<Expression> const& _left, - Token::Value _operator, + Token _operator, ASTPointer<Expression> const& _right ): Expression(_location), m_left(_left), m_operator(_operator), m_right(_right) { - solAssert(Token::isBinaryOp(_operator) || Token::isCompareOp(_operator), ""); + solAssert(TokenTraits::isBinaryOp(_operator) || TokenTraits::isCompareOp(_operator), ""); } virtual void accept(ASTVisitor& _visitor) override; virtual void accept(ASTConstVisitor& _visitor) const override; Expression const& leftExpression() const { return *m_left; } Expression const& rightExpression() const { return *m_right; } - Token::Value getOperator() const { return m_operator; } + Token getOperator() const { return m_operator; } BinaryOperationAnnotation& annotation() const override; private: ASTPointer<Expression> m_left; - Token::Value m_operator; + Token m_operator; ASTPointer<Expression> m_right; }; @@ -1653,21 +1653,21 @@ class Literal: public PrimaryExpression public: enum class SubDenomination { - None = Token::Illegal, - Wei = Token::SubWei, - Szabo = Token::SubSzabo, - Finney = Token::SubFinney, - Ether = Token::SubEther, - Second = Token::SubSecond, - Minute = Token::SubMinute, - Hour = Token::SubHour, - Day = Token::SubDay, - Week = Token::SubWeek, - Year = Token::SubYear + None = static_cast<int>(Token::Illegal), + Wei = static_cast<int>(Token::SubWei), + Szabo = static_cast<int>(Token::SubSzabo), + Finney = static_cast<int>(Token::SubFinney), + Ether = static_cast<int>(Token::SubEther), + Second = static_cast<int>(Token::SubSecond), + Minute = static_cast<int>(Token::SubMinute), + Hour = static_cast<int>(Token::SubHour), + Day = static_cast<int>(Token::SubDay), + Week = static_cast<int>(Token::SubWeek), + Year = static_cast<int>(Token::SubYear) }; Literal( SourceLocation const& _location, - Token::Value _token, + Token _token, ASTPointer<ASTString> const& _value, SubDenomination _sub = SubDenomination::None ): @@ -1675,7 +1675,7 @@ public: virtual void accept(ASTVisitor& _visitor) override; virtual void accept(ASTConstVisitor& _visitor) const override; - Token::Value token() const { return m_token; } + Token token() const { return m_token; } /// @returns the non-parsed value of the literal ASTString const& value() const { return *m_value; } @@ -1694,7 +1694,7 @@ public: std::string getChecksummedAddress() const; private: - Token::Value m_token; + Token m_token; ASTPointer<ASTString> m_value; SubDenomination m_subDenomination; }; diff --git a/libsolidity/ast/ASTJsonConverter.cpp b/libsolidity/ast/ASTJsonConverter.cpp index 4b282d85..569e5b0e 100644 --- a/libsolidity/ast/ASTJsonConverter.cpp +++ b/libsolidity/ast/ASTJsonConverter.cpp @@ -589,7 +589,7 @@ bool ASTJsonConverter::visit(Conditional const& _node) bool ASTJsonConverter::visit(Assignment const& _node) { std::vector<pair<string, Json::Value>> attributes = { - make_pair("operator", Token::toString(_node.assignmentOperator())), + make_pair("operator", TokenTraits::toString(_node.assignmentOperator())), make_pair("leftHandSide", toJson(_node.leftHandSide())), make_pair("rightHandSide", toJson(_node.rightHandSide())) }; @@ -613,7 +613,7 @@ bool ASTJsonConverter::visit(UnaryOperation const& _node) { std::vector<pair<string, Json::Value>> attributes = { make_pair("prefix", _node.isPrefixOperation()), - make_pair("operator", Token::toString(_node.getOperator())), + make_pair("operator", TokenTraits::toString(_node.getOperator())), make_pair("subExpression", toJson(_node.subExpression())) }; appendExpressionAttributes(attributes, _node.annotation()); @@ -624,7 +624,7 @@ bool ASTJsonConverter::visit(UnaryOperation const& _node) bool ASTJsonConverter::visit(BinaryOperation const& _node) { std::vector<pair<string, Json::Value>> attributes = { - make_pair("operator", Token::toString(_node.getOperator())), + make_pair("operator", TokenTraits::toString(_node.getOperator())), make_pair("leftExpression", toJson(_node.leftExpression())), make_pair("rightExpression", toJson(_node.rightExpression())), make_pair("commonType", typePointerToJson(_node.annotation().commonType)), @@ -719,7 +719,7 @@ bool ASTJsonConverter::visit(Literal const& _node) Json::Value value{_node.value()}; if (!dev::validateUTF8(_node.value())) value = Json::nullValue; - Token::Value subdenomination = Token::Value(_node.subDenomination()); + Token subdenomination = Token(_node.subDenomination()); std::vector<pair<string, Json::Value>> attributes = { make_pair(m_legacy ? "token" : "kind", literalTokenKind(_node.token())), make_pair("value", value), @@ -728,7 +728,7 @@ bool ASTJsonConverter::visit(Literal const& _node) "subdenomination", subdenomination == Token::Illegal ? Json::nullValue : - Json::Value{Token::toString(subdenomination)} + Json::Value{TokenTraits::toString(subdenomination)} ) }; appendExpressionAttributes(attributes, _node.annotation()); @@ -790,7 +790,7 @@ string ASTJsonConverter::functionCallKind(FunctionCallKind _kind) } } -string ASTJsonConverter::literalTokenKind(Token::Value _token) +string ASTJsonConverter::literalTokenKind(Token _token) { switch (_token) { diff --git a/libsolidity/ast/ASTJsonConverter.h b/libsolidity/ast/ASTJsonConverter.h index 29712f3b..8429708c 100644 --- a/libsolidity/ast/ASTJsonConverter.h +++ b/libsolidity/ast/ASTJsonConverter.h @@ -134,7 +134,7 @@ private: static std::string location(VariableDeclaration::Location _location); static std::string contractKind(ContractDefinition::ContractKind _kind); static std::string functionCallKind(FunctionCallKind _kind); - static std::string literalTokenKind(Token::Value _token); + static std::string literalTokenKind(Token _token); static std::string type(Expression const& _expression); static std::string type(VariableDeclaration const& _varDecl); static int nodeId(ASTNode const& _node) diff --git a/libsolidity/ast/ASTPrinter.cpp b/libsolidity/ast/ASTPrinter.cpp index 4273f225..255cb9be 100644 --- a/libsolidity/ast/ASTPrinter.cpp +++ b/libsolidity/ast/ASTPrinter.cpp @@ -289,7 +289,7 @@ bool ASTPrinter::visit(Conditional const& _node) bool ASTPrinter::visit(Assignment const& _node) { - writeLine(string("Assignment using operator ") + Token::toString(_node.assignmentOperator())); + writeLine(string("Assignment using operator ") + TokenTraits::toString(_node.assignmentOperator())); printType(_node); printSourcePart(_node); return goDeeper(); @@ -306,7 +306,7 @@ bool ASTPrinter::visit(TupleExpression const& _node) bool ASTPrinter::visit(UnaryOperation const& _node) { writeLine(string("UnaryOperation (") + (_node.isPrefixOperation() ? "prefix" : "postfix") + - ") " + Token::toString(_node.getOperator())); + ") " + TokenTraits::toString(_node.getOperator())); printType(_node); printSourcePart(_node); return goDeeper(); @@ -314,7 +314,7 @@ bool ASTPrinter::visit(UnaryOperation const& _node) bool ASTPrinter::visit(BinaryOperation const& _node) { - writeLine(string("BinaryOperation using operator ") + Token::toString(_node.getOperator())); + writeLine(string("BinaryOperation using operator ") + TokenTraits::toString(_node.getOperator())); printType(_node); printSourcePart(_node); return goDeeper(); @@ -370,7 +370,7 @@ bool ASTPrinter::visit(ElementaryTypeNameExpression const& _node) bool ASTPrinter::visit(Literal const& _node) { - char const* tokenString = Token::toString(_node.token()); + char const* tokenString = TokenTraits::toString(_node.token()); if (!tokenString) tokenString = "[no token]"; writeLine(string("Literal, token: ") + tokenString + " value: " + _node.value()); diff --git a/libsolidity/ast/Types.cpp b/libsolidity/ast/Types.cpp index 195b2e2d..301687b4 100644 --- a/libsolidity/ast/Types.cpp +++ b/libsolidity/ast/Types.cpp @@ -268,11 +268,11 @@ string Type::identifier() const TypePointer Type::fromElementaryTypeName(ElementaryTypeNameToken const& _type) { - solAssert(Token::isElementaryTypeName(_type.token()), + solAssert(TokenTraits::isElementaryTypeName(_type.token()), "Expected an elementary type name but got " + _type.toString() ); - Token::Value token = _type.token(); + Token token = _type.token(); unsigned m = _type.firstNumber(); unsigned n = _type.secondNumber(); @@ -320,9 +320,9 @@ TypePointer Type::fromElementaryTypeName(string const& _name) vector<string> nameParts; boost::split(nameParts, _name, boost::is_any_of(" ")); solAssert(nameParts.size() == 1 || nameParts.size() == 2, "Cannot parse elementary type: " + _name); - Token::Value token; + Token token; unsigned short firstNum, secondNum; - tie(token, firstNum, secondNum) = Token::fromIdentifierOrKeyword(nameParts[0]); + tie(token, firstNum, secondNum) = TokenTraits::fromIdentifierOrKeyword(nameParts[0]); auto t = fromElementaryTypeName(ElementaryTypeNameToken(token, firstNum, secondNum)); if (auto* ref = dynamic_cast<ReferenceType const*>(t.get())) { @@ -502,16 +502,16 @@ u256 AddressType::literalValue(Literal const* _literal) const return u256(_literal->valueWithoutUnderscores()); } -TypePointer AddressType::unaryOperatorResult(Token::Value _operator) const +TypePointer AddressType::unaryOperatorResult(Token _operator) const { return _operator == Token::Delete ? make_shared<TupleType>() : TypePointer(); } -TypePointer AddressType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const +TypePointer AddressType::binaryOperatorResult(Token _operator, TypePointer const& _other) const { // Addresses can only be compared. - if (!Token::isCompareOp(_operator)) + if (!TokenTraits::isCompareOp(_operator)) return TypePointer(); return Type::commonType(shared_from_this(), _other); @@ -545,7 +545,7 @@ MemberList::MemberMap AddressType::nativeMembers(ContractDefinition const*) cons namespace { -bool isValidShiftAndAmountType(Token::Value _operator, Type const& _shiftAmountType) +bool isValidShiftAndAmountType(Token _operator, Type const& _shiftAmountType) { // Disable >>> here. if (_operator == Token::SHR) @@ -605,7 +605,7 @@ bool IntegerType::isExplicitlyConvertibleTo(Type const& _convertTo) const _convertTo.category() == Category::FixedPoint; } -TypePointer IntegerType::unaryOperatorResult(Token::Value _operator) const +TypePointer IntegerType::unaryOperatorResult(Token _operator) const { // "delete" is ok for all integer types if (_operator == Token::Delete) @@ -649,7 +649,7 @@ bigint IntegerType::maxValue() const return (bigint(1) << m_bits) - 1; } -TypePointer IntegerType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const +TypePointer IntegerType::binaryOperatorResult(Token _operator, TypePointer const& _other) const { if ( _other->category() != Category::RationalNumber && @@ -657,7 +657,7 @@ TypePointer IntegerType::binaryOperatorResult(Token::Value _operator, TypePointe _other->category() != category() ) return TypePointer(); - if (Token::isShiftOp(_operator)) + if (TokenTraits::isShiftOp(_operator)) { // Shifts are not symmetric with respect to the type if (isValidShiftAndAmountType(_operator, *_other)) @@ -671,9 +671,9 @@ TypePointer IntegerType::binaryOperatorResult(Token::Value _operator, TypePointe return TypePointer(); // All integer types can be compared - if (Token::isCompareOp(_operator)) + if (TokenTraits::isCompareOp(_operator)) return commonType; - if (Token::isBooleanOp(_operator)) + if (TokenTraits::isBooleanOp(_operator)) return TypePointer(); if (auto intType = dynamic_pointer_cast<IntegerType const>(commonType)) { @@ -720,7 +720,7 @@ bool FixedPointType::isExplicitlyConvertibleTo(Type const& _convertTo) const return _convertTo.category() == category() || _convertTo.category() == Category::Integer; } -TypePointer FixedPointType::unaryOperatorResult(Token::Value _operator) const +TypePointer FixedPointType::unaryOperatorResult(Token _operator) const { switch(_operator) { @@ -769,7 +769,7 @@ bigint FixedPointType::minIntegerValue() const return bigint(0); } -TypePointer FixedPointType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const +TypePointer FixedPointType::binaryOperatorResult(Token _operator, TypePointer const& _other) const { auto commonType = Type::commonType(shared_from_this(), _other); @@ -777,9 +777,9 @@ TypePointer FixedPointType::binaryOperatorResult(Token::Value _operator, TypePoi return TypePointer(); // All fixed types can be compared - if (Token::isCompareOp(_operator)) + if (TokenTraits::isCompareOp(_operator)) return commonType; - if (Token::isBitOp(_operator) || Token::isBooleanOp(_operator) || _operator == Token::Exp) + if (TokenTraits::isBitOp(_operator) || TokenTraits::isBooleanOp(_operator) || _operator == Token::Exp) return TypePointer(); return commonType; } @@ -1006,7 +1006,7 @@ bool RationalNumberType::isExplicitlyConvertibleTo(Type const& _convertTo) const return false; } -TypePointer RationalNumberType::unaryOperatorResult(Token::Value _operator) const +TypePointer RationalNumberType::unaryOperatorResult(Token _operator) const { rational value; switch (_operator) @@ -1030,7 +1030,7 @@ TypePointer RationalNumberType::unaryOperatorResult(Token::Value _operator) cons return make_shared<RationalNumberType>(value); } -TypePointer RationalNumberType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const +TypePointer RationalNumberType::binaryOperatorResult(Token _operator, TypePointer const& _other) const { if (_other->category() == Category::Integer || _other->category() == Category::FixedPoint) { @@ -1043,7 +1043,7 @@ TypePointer RationalNumberType::binaryOperatorResult(Token::Value _operator, Typ return TypePointer(); RationalNumberType const& other = dynamic_cast<RationalNumberType const&>(*_other); - if (Token::isCompareOp(_operator)) + if (TokenTraits::isCompareOp(_operator)) { // Since we do not have a "BoolConstantType", we have to do the actual comparison // at runtime and convert to mobile typse first. Such a comparison is not a very common @@ -1423,7 +1423,7 @@ bool FixedBytesType::isExplicitlyConvertibleTo(Type const& _convertTo) const _convertTo.category() == category(); } -TypePointer FixedBytesType::unaryOperatorResult(Token::Value _operator) const +TypePointer FixedBytesType::unaryOperatorResult(Token _operator) const { // "delete" and "~" is okay for FixedBytesType if (_operator == Token::Delete) @@ -1434,9 +1434,9 @@ TypePointer FixedBytesType::unaryOperatorResult(Token::Value _operator) const return TypePointer(); } -TypePointer FixedBytesType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const +TypePointer FixedBytesType::binaryOperatorResult(Token _operator, TypePointer const& _other) const { - if (Token::isShiftOp(_operator)) + if (TokenTraits::isShiftOp(_operator)) { if (isValidShiftAndAmountType(_operator, *_other)) return shared_from_this(); @@ -1449,7 +1449,7 @@ TypePointer FixedBytesType::binaryOperatorResult(Token::Value _operator, TypePoi return TypePointer(); // FixedBytes can be compared and have bitwise operators applied to them - if (Token::isCompareOp(_operator) || Token::isBitOp(_operator)) + if (TokenTraits::isCompareOp(_operator) || TokenTraits::isBitOp(_operator)) return commonType; return TypePointer(); @@ -1484,14 +1484,14 @@ u256 BoolType::literalValue(Literal const* _literal) const solAssert(false, "Bool type constructed from non-boolean literal."); } -TypePointer BoolType::unaryOperatorResult(Token::Value _operator) const +TypePointer BoolType::unaryOperatorResult(Token _operator) const { if (_operator == Token::Delete) return make_shared<TupleType>(); return (_operator == Token::Not) ? shared_from_this() : TypePointer(); } -TypePointer BoolType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const +TypePointer BoolType::binaryOperatorResult(Token _operator, TypePointer const& _other) const { if (category() != _other->category()) return TypePointer(); @@ -1531,14 +1531,14 @@ bool ContractType::isPayable() const return fallbackFunction && fallbackFunction->isPayable(); } -TypePointer ContractType::unaryOperatorResult(Token::Value _operator) const +TypePointer ContractType::unaryOperatorResult(Token _operator) const { if (isSuper()) return TypePointer{}; return _operator == Token::Delete ? make_shared<TupleType>() : TypePointer(); } -TypePointer ReferenceType::unaryOperatorResult(Token::Value _operator) const +TypePointer ReferenceType::unaryOperatorResult(Token _operator) const { if (_operator != Token::Delete) return TypePointer(); @@ -2237,7 +2237,7 @@ bool StructType::recursive() const return *m_recursive; } -TypePointer EnumType::unaryOperatorResult(Token::Value _operator) const +TypePointer EnumType::unaryOperatorResult(Token _operator) const { return _operator == Token::Delete ? make_shared<TupleType>() : TypePointer(); } @@ -2668,14 +2668,14 @@ bool FunctionType::isImplicitlyConvertibleTo(Type const& _convertTo) const return true; } -TypePointer FunctionType::unaryOperatorResult(Token::Value _operator) const +TypePointer FunctionType::unaryOperatorResult(Token _operator) const { - if (_operator == Token::Value::Delete) + if (_operator == Token::Delete) return make_shared<TupleType>(); return TypePointer(); } -TypePointer FunctionType::binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const +TypePointer FunctionType::binaryOperatorResult(Token _operator, TypePointer const& _other) const { if (_other->category() != category() || !(_operator == Token::Equal || _operator == Token::NotEqual)) return TypePointer(); diff --git a/libsolidity/ast/Types.h b/libsolidity/ast/Types.h index 0f3373a1..b764717f 100644 --- a/libsolidity/ast/Types.h +++ b/libsolidity/ast/Types.h @@ -188,13 +188,13 @@ public: /// @returns the resulting type of applying the given unary operator or an empty pointer if /// this is not possible. /// The default implementation does not allow any unary operator. - virtual TypePointer unaryOperatorResult(Token::Value) const { return TypePointer(); } + virtual TypePointer unaryOperatorResult(Token) const { return TypePointer(); } /// @returns the resulting type of applying the given binary operator or an empty pointer if /// this is not possible. /// The default implementation allows comparison operators if a common type exists - virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const + virtual TypePointer binaryOperatorResult(Token _operator, TypePointer const& _other) const { - return Token::isCompareOp(_operator) ? commonType(shared_from_this(), _other) : TypePointer(); + return TokenTraits::isCompareOp(_operator) ? commonType(shared_from_this(), _other) : TypePointer(); } virtual bool operator==(Type const& _other) const { return category() == _other.category(); } @@ -329,8 +329,8 @@ public: virtual std::string richIdentifier() const override; virtual bool isImplicitlyConvertibleTo(Type const& _other) const override; virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override; - virtual TypePointer unaryOperatorResult(Token::Value _operator) const override; - virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const override; + virtual TypePointer unaryOperatorResult(Token _operator) const override; + virtual TypePointer binaryOperatorResult(Token _operator, TypePointer const& _other) const override; virtual bool operator==(Type const& _other) const override; @@ -372,8 +372,8 @@ public: virtual std::string richIdentifier() const override; virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override; virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override; - virtual TypePointer unaryOperatorResult(Token::Value _operator) const override; - virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const override; + virtual TypePointer unaryOperatorResult(Token _operator) const override; + virtual TypePointer binaryOperatorResult(Token _operator, TypePointer const& _other) const override; virtual bool operator==(Type const& _other) const override; @@ -414,8 +414,8 @@ public: virtual std::string richIdentifier() const override; virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override; virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override; - virtual TypePointer unaryOperatorResult(Token::Value _operator) const override; - virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const override; + virtual TypePointer unaryOperatorResult(Token _operator) const override; + virtual TypePointer binaryOperatorResult(Token _operator, TypePointer const& _other) const override; virtual bool operator==(Type const& _other) const override; @@ -468,8 +468,8 @@ public: virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override; virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override; - virtual TypePointer unaryOperatorResult(Token::Value _operator) const override; - virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const override; + virtual TypePointer unaryOperatorResult(Token _operator) const override; + virtual TypePointer binaryOperatorResult(Token _operator, TypePointer const& _other) const override; virtual std::string richIdentifier() const override; virtual bool operator==(Type const& _other) const override; @@ -526,7 +526,7 @@ public: explicit StringLiteralType(Literal const& _literal); virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override; - virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override + virtual TypePointer binaryOperatorResult(Token, TypePointer const&) const override { return TypePointer(); } @@ -563,8 +563,8 @@ public: virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override; virtual std::string richIdentifier() const override; virtual bool operator==(Type const& _other) const override; - virtual TypePointer unaryOperatorResult(Token::Value _operator) const override; - virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const override; + virtual TypePointer unaryOperatorResult(Token _operator) const override; + virtual TypePointer binaryOperatorResult(Token _operator, TypePointer const& _other) const override; virtual unsigned calldataEncodedSize(bool _padded) const override { return _padded && m_bytes > 0 ? 32 : m_bytes; } virtual unsigned storageBytes() const override { return m_bytes; } @@ -590,8 +590,8 @@ public: BoolType() {} virtual Category category() const override { return Category::Bool; } virtual std::string richIdentifier() const override { return "t_bool"; } - virtual TypePointer unaryOperatorResult(Token::Value _operator) const override; - virtual TypePointer binaryOperatorResult(Token::Value _operator, TypePointer const& _other) const override; + virtual TypePointer unaryOperatorResult(Token _operator) const override; + virtual TypePointer binaryOperatorResult(Token _operator, TypePointer const& _other) const override; virtual unsigned calldataEncodedSize(bool _padded) const override{ return _padded ? 32 : 1; } virtual unsigned storageBytes() const override { return 1; } @@ -613,8 +613,8 @@ public: explicit ReferenceType(DataLocation _location): m_location(_location) {} DataLocation location() const { return m_location; } - virtual TypePointer unaryOperatorResult(Token::Value _operator) const override; - virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override + virtual TypePointer unaryOperatorResult(Token _operator) const override; + virtual TypePointer binaryOperatorResult(Token, TypePointer const&) const override { return TypePointer(); } @@ -749,7 +749,7 @@ public: virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override; /// Contracts can only be explicitly converted to address types and base contracts. virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override; - virtual TypePointer unaryOperatorResult(Token::Value _operator) const override; + virtual TypePointer unaryOperatorResult(Token _operator) const override; virtual std::string richIdentifier() const override; virtual bool operator==(Type const& _other) const override; virtual unsigned calldataEncodedSize(bool _padded ) const override @@ -865,7 +865,7 @@ class EnumType: public Type public: virtual Category category() const override { return Category::Enum; } explicit EnumType(EnumDefinition const& _enum): m_enum(_enum) {} - virtual TypePointer unaryOperatorResult(Token::Value _operator) const override; + virtual TypePointer unaryOperatorResult(Token _operator) const override; virtual std::string richIdentifier() const override; virtual bool operator==(Type const& _other) const override; virtual unsigned calldataEncodedSize(bool _padded) const override @@ -909,7 +909,7 @@ public: virtual bool isImplicitlyConvertibleTo(Type const& _other) const override; virtual std::string richIdentifier() const override; virtual bool operator==(Type const& _other) const override; - virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); } + virtual TypePointer binaryOperatorResult(Token, TypePointer const&) const override { return TypePointer(); } virtual std::string toString(bool) const override; virtual bool canBeStored() const override { return false; } virtual u256 storageSize() const override; @@ -1056,8 +1056,8 @@ public: virtual bool operator==(Type const& _other) const override; virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override; virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override; - virtual TypePointer unaryOperatorResult(Token::Value _operator) const override; - virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override; + virtual TypePointer unaryOperatorResult(Token _operator) const override; + virtual TypePointer binaryOperatorResult(Token, TypePointer const&) const override; virtual std::string canonicalName() const override; virtual std::string toString(bool _short) const override; virtual unsigned calldataEncodedSize(bool _padded) const override; @@ -1187,7 +1187,7 @@ public: virtual std::string toString(bool _short) const override; virtual std::string canonicalName() const override; virtual bool canLiveOutsideStorage() const override { return false; } - virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); } + virtual TypePointer binaryOperatorResult(Token, TypePointer const&) const override { return TypePointer(); } virtual TypePointer encodingType() const override { return std::make_shared<IntegerType>(256); @@ -1220,7 +1220,7 @@ public: explicit TypeType(TypePointer const& _actualType): m_actualType(_actualType) {} TypePointer const& actualType() const { return m_actualType; } - virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); } + virtual TypePointer binaryOperatorResult(Token, TypePointer const&) const override { return TypePointer(); } virtual std::string richIdentifier() const override; virtual bool operator==(Type const& _other) const override; virtual bool canBeStored() const override { return false; } @@ -1245,7 +1245,7 @@ public: virtual Category category() const override { return Category::Modifier; } explicit ModifierType(ModifierDefinition const& _modifier); - virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); } + virtual TypePointer binaryOperatorResult(Token, TypePointer const&) const override { return TypePointer(); } virtual bool canBeStored() const override { return false; } virtual u256 storageSize() const override; virtual bool canLiveOutsideStorage() const override { return false; } @@ -1271,7 +1271,7 @@ public: explicit ModuleType(SourceUnit const& _source): m_sourceUnit(_source) {} - virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); } + virtual TypePointer binaryOperatorResult(Token, TypePointer const&) const override { return TypePointer(); } virtual std::string richIdentifier() const override; virtual bool operator==(Type const& _other) const override; virtual bool canBeStored() const override { return false; } @@ -1298,7 +1298,7 @@ public: explicit MagicType(Kind _kind): m_kind(_kind) {} - virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override + virtual TypePointer binaryOperatorResult(Token, TypePointer const&) const override { return TypePointer(); } @@ -1331,7 +1331,7 @@ public: virtual std::string richIdentifier() const override { return "t_inaccessible"; } virtual bool isImplicitlyConvertibleTo(Type const&) const override { return false; } virtual bool isExplicitlyConvertibleTo(Type const&) const override { return false; } - virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); } + virtual TypePointer binaryOperatorResult(Token, TypePointer const&) const override { return TypePointer(); } virtual unsigned calldataEncodedSize(bool _padded) const override { (void)_padded; return 32; } virtual bool canBeStored() const override { return false; } virtual bool canLiveOutsideStorage() const override { return false; } diff --git a/libsolidity/codegen/ExpressionCompiler.cpp b/libsolidity/codegen/ExpressionCompiler.cpp index 749739ce..63faddd3 100644 --- a/libsolidity/codegen/ExpressionCompiler.cpp +++ b/libsolidity/codegen/ExpressionCompiler.cpp @@ -206,8 +206,8 @@ bool ExpressionCompiler::visit(Conditional const& _condition) bool ExpressionCompiler::visit(Assignment const& _assignment) { CompilerContext::LocationSetter locationSetter(m_context, _assignment); - Token::Value op = _assignment.assignmentOperator(); - Token::Value binOp = op == Token::Assign ? op : Token::AssignmentToBinaryOp(op); + Token op = _assignment.assignmentOperator(); + Token binOp = op == Token::Assign ? op : TokenTraits::AssignmentToBinaryOp(op); Type const& leftType = *_assignment.leftHandSide().annotation().type; if (leftType.category() == Type::Category::Tuple) { @@ -223,7 +223,7 @@ bool ExpressionCompiler::visit(Assignment const& _assignment) // Perform some conversion already. This will convert storage types to memory and literals // to their actual type, but will not convert e.g. memory to storage. TypePointer rightIntermediateType; - if (op != Token::Assign && Token::isShiftOp(binOp)) + if (op != Token::Assign && TokenTraits::isShiftOp(binOp)) rightIntermediateType = _assignment.rightHandSide().annotation().type->mobileType(); else rightIntermediateType = _assignment.rightHandSide().annotation().type->closestTemporaryType( @@ -251,7 +251,7 @@ bool ExpressionCompiler::visit(Assignment const& _assignment) m_currentLValue->retrieveValue(_assignment.location(), true); utils().convertType(leftType, leftType, cleanupNeeded); - if (Token::isShiftOp(binOp)) + if (TokenTraits::isShiftOp(binOp)) appendShiftOperatorCode(binOp, leftType, *rightIntermediateType); else { @@ -384,7 +384,7 @@ bool ExpressionCompiler::visit(UnaryOperation const& _unaryOperation) m_context << u256(0) << Instruction::SUB; break; default: - solAssert(false, "Invalid unary operator: " + string(Token::toString(_unaryOperation.getOperator()))); + solAssert(false, "Invalid unary operator: " + string(TokenTraits::toString(_unaryOperation.getOperator()))); } return false; } @@ -396,7 +396,7 @@ bool ExpressionCompiler::visit(BinaryOperation const& _binaryOperation) Expression const& rightExpression = _binaryOperation.rightExpression(); solAssert(!!_binaryOperation.annotation().commonType, ""); TypePointer const& commonType = _binaryOperation.annotation().commonType; - Token::Value const c_op = _binaryOperation.getOperator(); + Token const c_op = _binaryOperation.getOperator(); if (c_op == Token::And || c_op == Token::Or) // special case: short-circuiting appendAndOrOperatorCode(_binaryOperation); @@ -407,7 +407,7 @@ bool ExpressionCompiler::visit(BinaryOperation const& _binaryOperation) bool cleanupNeeded = cleanupNeededForOp(commonType->category(), c_op); TypePointer leftTargetType = commonType; - TypePointer rightTargetType = Token::isShiftOp(c_op) ? rightExpression.annotation().type->mobileType() : commonType; + TypePointer rightTargetType = TokenTraits::isShiftOp(c_op) ? rightExpression.annotation().type->mobileType() : commonType; solAssert(rightTargetType, ""); // for commutative operators, push the literal as late as possible to allow improved optimization @@ -415,7 +415,7 @@ bool ExpressionCompiler::visit(BinaryOperation const& _binaryOperation) { return dynamic_cast<Literal const*>(&_e) || _e.annotation().type->category() == Type::Category::RationalNumber; }; - bool swap = m_optimize && Token::isCommutativeOp(c_op) && isLiteral(rightExpression) && !isLiteral(leftExpression); + bool swap = m_optimize && TokenTraits::isCommutativeOp(c_op) && isLiteral(rightExpression) && !isLiteral(leftExpression); if (swap) { leftExpression.accept(*this); @@ -430,10 +430,10 @@ bool ExpressionCompiler::visit(BinaryOperation const& _binaryOperation) leftExpression.accept(*this); utils().convertType(*leftExpression.annotation().type, *leftTargetType, cleanupNeeded); } - if (Token::isShiftOp(c_op)) + if (TokenTraits::isShiftOp(c_op)) // shift only cares about the signedness of both sides appendShiftOperatorCode(c_op, *leftTargetType, *rightTargetType); - else if (Token::isCompareOp(c_op)) + else if (TokenTraits::isCompareOp(c_op)) appendCompareOperatorCode(c_op, *commonType); else appendOrdinaryBinaryOperatorCode(c_op, *commonType); @@ -1602,7 +1602,7 @@ void ExpressionCompiler::endVisit(Literal const& _literal) void ExpressionCompiler::appendAndOrOperatorCode(BinaryOperation const& _binaryOperation) { - Token::Value const c_op = _binaryOperation.getOperator(); + Token const c_op = _binaryOperation.getOperator(); solAssert(c_op == Token::Or || c_op == Token::And, ""); _binaryOperation.leftExpression().accept(*this); @@ -1615,7 +1615,7 @@ void ExpressionCompiler::appendAndOrOperatorCode(BinaryOperation const& _binaryO m_context << endLabel; } -void ExpressionCompiler::appendCompareOperatorCode(Token::Value _operator, Type const& _type) +void ExpressionCompiler::appendCompareOperatorCode(Token _operator, Type const& _type) { solAssert(_type.sizeOnStack() == 1, "Comparison of multi-slot types."); if (_operator == Token::Equal || _operator == Token::NotEqual) @@ -1665,17 +1665,17 @@ void ExpressionCompiler::appendCompareOperatorCode(Token::Value _operator, Type } } -void ExpressionCompiler::appendOrdinaryBinaryOperatorCode(Token::Value _operator, Type const& _type) +void ExpressionCompiler::appendOrdinaryBinaryOperatorCode(Token _operator, Type const& _type) { - if (Token::isArithmeticOp(_operator)) + if (TokenTraits::isArithmeticOp(_operator)) appendArithmeticOperatorCode(_operator, _type); - else if (Token::isBitOp(_operator)) + else if (TokenTraits::isBitOp(_operator)) appendBitOperatorCode(_operator); else solAssert(false, "Unknown binary operator."); } -void ExpressionCompiler::appendArithmeticOperatorCode(Token::Value _operator, Type const& _type) +void ExpressionCompiler::appendArithmeticOperatorCode(Token _operator, Type const& _type) { if (_type.category() == Type::Category::FixedPoint) solUnimplemented("Not yet implemented - FixedPointType."); @@ -1715,7 +1715,7 @@ void ExpressionCompiler::appendArithmeticOperatorCode(Token::Value _operator, Ty } } -void ExpressionCompiler::appendBitOperatorCode(Token::Value _operator) +void ExpressionCompiler::appendBitOperatorCode(Token _operator) { switch (_operator) { @@ -1733,7 +1733,7 @@ void ExpressionCompiler::appendBitOperatorCode(Token::Value _operator) } } -void ExpressionCompiler::appendShiftOperatorCode(Token::Value _operator, Type const& _valueType, Type const& _shiftAmountType) +void ExpressionCompiler::appendShiftOperatorCode(Token _operator, Type const& _valueType, Type const& _shiftAmountType) { // stack: shift_amount value_to_shift @@ -2140,9 +2140,9 @@ void ExpressionCompiler::setLValueToStorageItem(Expression const& _expression) setLValue<StorageItem>(_expression, *_expression.annotation().type); } -bool ExpressionCompiler::cleanupNeededForOp(Type::Category _type, Token::Value _op) +bool ExpressionCompiler::cleanupNeededForOp(Type::Category _type, Token _op) { - if (Token::isCompareOp(_op) || Token::isShiftOp(_op)) + if (TokenTraits::isCompareOp(_op) || TokenTraits::isShiftOp(_op)) return true; else if (_type == Type::Category::Integer && (_op == Token::Div || _op == Token::Mod || _op == Token::Exp)) // We need cleanup for EXP because 0**0 == 1, but 0**0x100 == 0 diff --git a/libsolidity/codegen/ExpressionCompiler.h b/libsolidity/codegen/ExpressionCompiler.h index cdfa096e..3d8e8682 100644 --- a/libsolidity/codegen/ExpressionCompiler.h +++ b/libsolidity/codegen/ExpressionCompiler.h @@ -86,12 +86,12 @@ private: ///@{ ///@name Append code for various operator types void appendAndOrOperatorCode(BinaryOperation const& _binaryOperation); - void appendCompareOperatorCode(Token::Value _operator, Type const& _type); - void appendOrdinaryBinaryOperatorCode(Token::Value _operator, Type const& _type); + void appendCompareOperatorCode(Token _operator, Type const& _type); + void appendOrdinaryBinaryOperatorCode(Token _operator, Type const& _type); - void appendArithmeticOperatorCode(Token::Value _operator, Type const& _type); - void appendBitOperatorCode(Token::Value _operator); - void appendShiftOperatorCode(Token::Value _operator, Type const& _valueType, Type const& _shiftAmountType); + void appendArithmeticOperatorCode(Token _operator, Type const& _type); + void appendBitOperatorCode(Token _operator); + void appendShiftOperatorCode(Token _operator, Type const& _valueType, Type const& _shiftAmountType); /// @} /// Appends code to call a function of the given type with the given arguments. @@ -119,7 +119,7 @@ private: /// @returns true if the operator applied to the given type requires a cleanup prior to the /// operation. - static bool cleanupNeededForOp(Type::Category _type, Token::Value _op); + static bool cleanupNeededForOp(Type::Category _type, Token _op); /// @returns the CompilerUtils object containing the current context. CompilerUtils utils(); diff --git a/libsolidity/formal/SMTChecker.cpp b/libsolidity/formal/SMTChecker.cpp index e5648eb3..99ab2cb5 100644 --- a/libsolidity/formal/SMTChecker.cpp +++ b/libsolidity/formal/SMTChecker.cpp @@ -212,7 +212,7 @@ void SMTChecker::endVisit(VariableDeclarationStatement const& _varDecl) void SMTChecker::endVisit(Assignment const& _assignment) { - if (_assignment.assignmentOperator() != Token::Value::Assign) + if (_assignment.assignmentOperator() != Token::Assign) m_errorReporter.warning( _assignment.location(), "Assertion checker does not yet implement compound assignment." @@ -331,11 +331,11 @@ void SMTChecker::endVisit(UnaryOperation const& _op) void SMTChecker::endVisit(BinaryOperation const& _op) { - if (Token::isArithmeticOp(_op.getOperator())) + if (TokenTraits::isArithmeticOp(_op.getOperator())) arithmeticOperation(_op); - else if (Token::isCompareOp(_op.getOperator())) + else if (TokenTraits::isCompareOp(_op.getOperator())) compareOperation(_op); - else if (Token::isBooleanOp(_op.getOperator())) + else if (TokenTraits::isBooleanOp(_op.getOperator())) booleanOperation(_op); else m_errorReporter.warning( @@ -530,7 +530,7 @@ void SMTChecker::arithmeticOperation(BinaryOperation const& _op) auto const& intType = dynamic_cast<IntegerType const&>(*_op.annotation().commonType); smt::Expression left(expr(_op.leftExpression())); smt::Expression right(expr(_op.rightExpression())); - Token::Value op = _op.getOperator(); + Token op = _op.getOperator(); smt::Expression value( op == Token::Add ? left + right : op == Token::Sub ? left - right : @@ -564,7 +564,7 @@ void SMTChecker::compareOperation(BinaryOperation const& _op) { smt::Expression left(expr(_op.leftExpression())); smt::Expression right(expr(_op.rightExpression())); - Token::Value op = _op.getOperator(); + Token op = _op.getOperator(); shared_ptr<smt::Expression> value; if (isNumber(_op.annotation().commonType->category())) { diff --git a/libsolidity/parsing/Parser.cpp b/libsolidity/parsing/Parser.cpp index ca9a9b57..f99b9ea4 100644 --- a/libsolidity/parsing/Parser.cpp +++ b/libsolidity/parsing/Parser.cpp @@ -112,17 +112,17 @@ ASTPointer<PragmaDirective> Parser::parsePragmaDirective() ASTNodeFactory nodeFactory(*this); expectToken(Token::Pragma); vector<string> literals; - vector<Token::Value> tokens; + vector<Token> tokens; do { - Token::Value token = m_scanner->currentToken(); + Token token = m_scanner->currentToken(); if (token == Token::Illegal) parserError("Token incompatible with Solidity parser as part of pragma directive."); else { string literal = m_scanner->currentLiteral(); - if (literal.empty() && Token::toString(token)) - literal = Token::toString(token); + if (literal.empty() && TokenTraits::toString(token)) + literal = TokenTraits::toString(token); literals.push_back(literal); tokens.push_back(token); } @@ -240,7 +240,7 @@ ASTPointer<ContractDefinition> Parser::parseContractDefinition() expectToken(Token::LBrace); while (true) { - Token::Value currentTokenValue = m_scanner->currentToken(); + Token currentTokenValue = m_scanner->currentToken(); if (currentTokenValue == Token::RBrace) break; else if (currentTokenValue == Token::Function || currentTokenValue == Token::Constructor) @@ -254,7 +254,7 @@ ASTPointer<ContractDefinition> Parser::parseContractDefinition() else if ( currentTokenValue == Token::Identifier || currentTokenValue == Token::Mapping || - Token::isElementaryTypeName(currentTokenValue) + TokenTraits::isElementaryTypeName(currentTokenValue) ) { VarDeclParserOptions options; @@ -304,7 +304,7 @@ ASTPointer<InheritanceSpecifier> Parser::parseInheritanceSpecifier() Declaration::Visibility Parser::parseVisibilitySpecifier() { Declaration::Visibility visibility(Declaration::Visibility::Default); - Token::Value token = m_scanner->currentToken(); + Token token = m_scanner->currentToken(); switch (token) { case Token::Public: @@ -329,7 +329,7 @@ Declaration::Visibility Parser::parseVisibilitySpecifier() StateMutability Parser::parseStateMutability() { StateMutability stateMutability(StateMutability::NonPayable); - Token::Value token = m_scanner->currentToken(); + Token token = m_scanner->currentToken(); switch(token) { case Token::Payable: @@ -386,7 +386,7 @@ Parser::FunctionHeaderParserResult Parser::parseFunctionHeader(bool _forceEmptyN result.parameters = parseParameterList(options); while (true) { - Token::Value token = m_scanner->currentToken(); + Token token = m_scanner->currentToken(); if (_allowModifiers && token == Token::Identifier) { // If the name is empty (and this is not a constructor), @@ -401,7 +401,7 @@ Parser::FunctionHeaderParserResult Parser::parseFunctionHeader(bool _forceEmptyN else result.modifiers.push_back(parseModifierInvocation()); } - else if (Token::isVisibilitySpecifier(token)) + else if (TokenTraits::isVisibilitySpecifier(token)) { if (result.visibility != Declaration::Visibility::Default) { @@ -423,7 +423,7 @@ Parser::FunctionHeaderParserResult Parser::parseFunctionHeader(bool _forceEmptyN else result.visibility = parseVisibilitySpecifier(); } - else if (Token::isStateMutabilitySpecifier(token)) + else if (TokenTraits::isStateMutabilitySpecifier(token)) { if (result.stateMutability != StateMutability::NonPayable) { @@ -587,8 +587,8 @@ ASTPointer<VariableDeclaration> Parser::parseVariableDeclaration( while (true) { - Token::Value token = m_scanner->currentToken(); - if (_options.isStateVariable && Token::isVariableVisibilitySpecifier(token)) + Token token = m_scanner->currentToken(); + if (_options.isStateVariable && TokenTraits::isVariableVisibilitySpecifier(token)) { nodeFactory.markEndPosition(); if (visibility != Declaration::Visibility::Default) @@ -609,7 +609,7 @@ ASTPointer<VariableDeclaration> Parser::parseVariableDeclaration( isIndexed = true; else if (token == Token::Constant) isDeclaredConst = true; - else if (_options.allowLocationSpecifier && Token::isLocationSpecifier(token)) + else if (_options.allowLocationSpecifier && TokenTraits::isLocationSpecifier(token)) { if (location != VariableDeclaration::Location::Unspecified) parserError(string("Location already specified.")); @@ -806,8 +806,8 @@ ASTPointer<TypeName> Parser::parseTypeName(bool _allowVar) RecursionGuard recursionGuard(*this); ASTNodeFactory nodeFactory(*this); ASTPointer<TypeName> type; - Token::Value token = m_scanner->currentToken(); - if (Token::isElementaryTypeName(token)) + Token token = m_scanner->currentToken(); + if (TokenTraits::isElementaryTypeName(token)) { unsigned firstSize; unsigned secondSize; @@ -817,7 +817,7 @@ ASTPointer<TypeName> Parser::parseTypeName(bool _allowVar) nodeFactory.markEndPosition(); m_scanner->next(); auto stateMutability = boost::make_optional(elemTypeName.token() == Token::Address, StateMutability::NonPayable); - if (Token::isStateMutabilitySpecifier(m_scanner->currentToken(), false)) + if (TokenTraits::isStateMutabilitySpecifier(m_scanner->currentToken(), false)) { if (elemTypeName.token() == Token::Address) { @@ -874,8 +874,8 @@ ASTPointer<Mapping> Parser::parseMapping() expectToken(Token::Mapping); expectToken(Token::LParen); ASTPointer<ElementaryTypeName> keyType; - Token::Value token = m_scanner->currentToken(); - if (!Token::isElementaryTypeName(token)) + Token token = m_scanner->currentToken(); + if (!TokenTraits::isElementaryTypeName(token)) fatalParserError(string("Expected elementary type name for mapping key type")); unsigned firstSize; unsigned secondSize; @@ -1252,7 +1252,7 @@ pair<Parser::LookAheadInfo, Parser::IndexAccessedPath> Parser::tryParseIndexAcce // VariableDeclarationStatement out of it. IndexAccessedPath iap = parseIndexAccessedPath(); - if (m_scanner->currentToken() == Token::Identifier || Token::isLocationSpecifier(m_scanner->currentToken())) + if (m_scanner->currentToken() == Token::Identifier || TokenTraits::isLocationSpecifier(m_scanner->currentToken())) return make_pair(LookAheadInfo::VariableDeclaration, move(iap)); else return make_pair(LookAheadInfo::Expression, move(iap)); @@ -1342,16 +1342,16 @@ ASTPointer<Expression> Parser::parseExpression( { RecursionGuard recursionGuard(*this); ASTPointer<Expression> expression = parseBinaryExpression(4, _partiallyParsedExpression); - if (Token::isAssignmentOp(m_scanner->currentToken())) + if (TokenTraits::isAssignmentOp(m_scanner->currentToken())) { - Token::Value assignmentOperator = m_scanner->currentToken(); + Token assignmentOperator = m_scanner->currentToken(); m_scanner->next(); ASTPointer<Expression> rightHandSide = parseExpression(); ASTNodeFactory nodeFactory(*this, expression); nodeFactory.setEndPositionFromNode(rightHandSide); return nodeFactory.createNode<Assignment>(expression, assignmentOperator, rightHandSide); } - else if (m_scanner->currentToken() == Token::Value::Conditional) + else if (m_scanner->currentToken() == Token::Conditional) { m_scanner->next(); ASTPointer<Expression> trueExpression = parseExpression(); @@ -1373,11 +1373,11 @@ ASTPointer<Expression> Parser::parseBinaryExpression( RecursionGuard recursionGuard(*this); ASTPointer<Expression> expression = parseUnaryExpression(_partiallyParsedExpression); ASTNodeFactory nodeFactory(*this, expression); - int precedence = Token::precedence(m_scanner->currentToken()); + int precedence = TokenTraits::precedence(m_scanner->currentToken()); for (; precedence >= _minPrecedence; --precedence) - while (Token::precedence(m_scanner->currentToken()) == precedence) + while (TokenTraits::precedence(m_scanner->currentToken()) == precedence) { - Token::Value op = m_scanner->currentToken(); + Token op = m_scanner->currentToken(); m_scanner->next(); ASTPointer<Expression> right = parseBinaryExpression(precedence + 1); nodeFactory.setEndPositionFromNode(right); @@ -1393,8 +1393,8 @@ ASTPointer<Expression> Parser::parseUnaryExpression( RecursionGuard recursionGuard(*this); ASTNodeFactory nodeFactory = _partiallyParsedExpression ? ASTNodeFactory(*this, _partiallyParsedExpression) : ASTNodeFactory(*this); - Token::Value token = m_scanner->currentToken(); - if (!_partiallyParsedExpression && (Token::isUnaryOp(token) || Token::isCountOp(token))) + Token token = m_scanner->currentToken(); + if (!_partiallyParsedExpression && (TokenTraits::isUnaryOp(token) || TokenTraits::isCountOp(token))) { // prefix expression m_scanner->next(); @@ -1407,7 +1407,7 @@ ASTPointer<Expression> Parser::parseUnaryExpression( // potential postfix expression ASTPointer<Expression> subExpression = parseLeftHandSideExpression(_partiallyParsedExpression); token = m_scanner->currentToken(); - if (!Token::isCountOp(token)) + if (!TokenTraits::isCountOp(token)) return subExpression; nodeFactory.markEndPosition(); m_scanner->next(); @@ -1482,7 +1482,7 @@ ASTPointer<Expression> Parser::parsePrimaryExpression() { RecursionGuard recursionGuard(*this); ASTNodeFactory nodeFactory(*this); - Token::Value token = m_scanner->currentToken(); + Token token = m_scanner->currentToken(); ASTPointer<Expression> expression; switch (token) @@ -1493,7 +1493,7 @@ ASTPointer<Expression> Parser::parsePrimaryExpression() expression = nodeFactory.createNode<Literal>(token, getLiteralAndAdvance()); break; case Token::Number: - if (Token::isEtherSubdenomination(m_scanner->peekNextToken())) + if (TokenTraits::isEtherSubdenomination(m_scanner->peekNextToken())) { ASTPointer<ASTString> literal = getLiteralAndAdvance(); nodeFactory.markEndPosition(); @@ -1501,7 +1501,7 @@ ASTPointer<Expression> Parser::parsePrimaryExpression() m_scanner->next(); expression = nodeFactory.createNode<Literal>(token, literal, subdenomination); } - else if (Token::isTimeSubdenomination(m_scanner->peekNextToken())) + else if (TokenTraits::isTimeSubdenomination(m_scanner->peekNextToken())) { ASTPointer<ASTString> literal = getLiteralAndAdvance(); nodeFactory.markEndPosition(); @@ -1531,7 +1531,7 @@ ASTPointer<Expression> Parser::parsePrimaryExpression() // (x,) is one-dimensional tuple, elements in arrays cannot be left out, only in tuples. m_scanner->next(); vector<ASTPointer<Expression>> components; - Token::Value oppositeToken = (token == Token::LParen ? Token::RParen : Token::RBrack); + Token oppositeToken = (token == Token::LParen ? Token::RParen : Token::RBrack); bool isArray = (token == Token::LBrack); if (m_scanner->currentToken() != oppositeToken) @@ -1558,7 +1558,7 @@ ASTPointer<Expression> Parser::parsePrimaryExpression() fatalParserError("Expected even number of hex-nibbles within double-quotes."); break; default: - if (Token::isElementaryTypeName(token)) + if (TokenTraits::isElementaryTypeName(token)) { //used for casts unsigned firstSize; @@ -1595,7 +1595,7 @@ pair<vector<ASTPointer<Expression>>, vector<ASTPointer<ASTString>>> Parser::pars { RecursionGuard recursionGuard(*this); pair<vector<ASTPointer<Expression>>, vector<ASTPointer<ASTString>>> ret; - Token::Value token = m_scanner->currentToken(); + Token token = m_scanner->currentToken(); if (token == Token::LBrace) { // call({arg1 : 1, arg2 : 2 }) @@ -1638,21 +1638,21 @@ Parser::LookAheadInfo Parser::peekStatementType() const // or a mutability specifier, we also have a variable declaration. // If we get an identifier followed by a "[" or ".", it can be both ("lib.type[9] a;" or "variable.el[9] = 7;"). // In all other cases, we have an expression statement. - Token::Value token(m_scanner->currentToken()); - bool mightBeTypeName = (Token::isElementaryTypeName(token) || token == Token::Identifier); + Token token(m_scanner->currentToken()); + bool mightBeTypeName = (TokenTraits::isElementaryTypeName(token) || token == Token::Identifier); if (token == Token::Mapping || token == Token::Function || token == Token::Var) return LookAheadInfo::VariableDeclaration; if (mightBeTypeName) { - Token::Value next = m_scanner->peekNextToken(); + Token next = m_scanner->peekNextToken(); // So far we only allow ``address payable`` in variable declaration statements and in no other // kind of statement. This means, for example, that we do not allow type expressions of the form // ``address payable;``. // If we want to change this in the future, we need to consider another scanner token here. - if (Token::isElementaryTypeName(token) && Token::isStateMutabilitySpecifier(next, false)) + if (TokenTraits::isElementaryTypeName(token) && TokenTraits::isStateMutabilitySpecifier(next, false)) return LookAheadInfo::VariableDeclaration; - if (next == Token::Identifier || Token::isLocationSpecifier(next)) + if (next == Token::Identifier || TokenTraits::isLocationSpecifier(next)) return LookAheadInfo::VariableDeclaration; if (next == Token::LBrack || next == Token::Period) return LookAheadInfo::IndexAccessStructure; diff --git a/libsolidity/parsing/ParserBase.cpp b/libsolidity/parsing/ParserBase.cpp index 71133746..1d4cb1e2 100644 --- a/libsolidity/parsing/ParserBase.cpp +++ b/libsolidity/parsing/ParserBase.cpp @@ -43,12 +43,12 @@ int ParserBase::endPosition() const return m_scanner->currentLocation().end; } -Token::Value ParserBase::currentToken() const +Token ParserBase::currentToken() const { return m_scanner->currentToken(); } -Token::Value ParserBase::peekNextToken() const +Token ParserBase::peekNextToken() const { return m_scanner->peekNextToken(); } @@ -58,31 +58,31 @@ std::string ParserBase::currentLiteral() const return m_scanner->currentLiteral(); } -Token::Value ParserBase::advance() +Token ParserBase::advance() { return m_scanner->next(); } -void ParserBase::expectToken(Token::Value _value, bool _advance) +void ParserBase::expectToken(Token _value, bool _advance) { - Token::Value tok = m_scanner->currentToken(); + Token tok = m_scanner->currentToken(); if (tok != _value) { - auto tokenName = [this](Token::Value _token) + auto tokenName = [this](Token _token) { if (_token == Token::Identifier) return string("identifier"); else if (_token == Token::EOS) return string("end of source"); - else if (Token::isReservedKeyword(_token)) - return string("reserved keyword '") + Token::friendlyName(_token) + "'"; - else if (Token::isElementaryTypeName(_token)) //for the sake of accuracy in reporting + else if (TokenTraits::isReservedKeyword(_token)) + return string("reserved keyword '") + TokenTraits::friendlyName(_token) + "'"; + else if (TokenTraits::isElementaryTypeName(_token)) //for the sake of accuracy in reporting { ElementaryTypeNameToken elemTypeName = m_scanner->currentElementaryTypeNameToken(); return string("'") + elemTypeName.toString() + "'"; } else - return string("'") + Token::friendlyName(_token) + "'"; + return string("'") + TokenTraits::friendlyName(_token) + "'"; }; fatalParserError(string("Expected ") + tokenName(_value) + string(" but got ") + tokenName(tok)); diff --git a/libsolidity/parsing/ParserBase.h b/libsolidity/parsing/ParserBase.h index b28e1b1b..e01f37d8 100644 --- a/libsolidity/parsing/ParserBase.h +++ b/libsolidity/parsing/ParserBase.h @@ -63,11 +63,11 @@ protected: ///@{ ///@name Helper functions /// If current token value is not _value, throw exception otherwise advance token. - void expectToken(Token::Value _value, bool _advance = true); - Token::Value currentToken() const; - Token::Value peekNextToken() const; + void expectToken(Token _value, bool _advance = true); + Token currentToken() const; + Token peekNextToken() const; std::string currentLiteral() const; - Token::Value advance(); + Token advance(); ///@} /// Increases the recursion depth and throws an exception if it is too deep. diff --git a/libsolidity/parsing/Scanner.cpp b/libsolidity/parsing/Scanner.cpp index 87d7c535..e9dad2ad 100644 --- a/libsolidity/parsing/Scanner.cpp +++ b/libsolidity/parsing/Scanner.cpp @@ -214,9 +214,9 @@ void Scanner::addUnicodeAsUTF8(unsigned codepoint) } // Ensure that tokens can be stored in a byte. -BOOST_STATIC_ASSERT(Token::NUM_TOKENS <= 0x100); +BOOST_STATIC_ASSERT(TokenTraits::count() <= 0x100); -Token::Value Scanner::next() +Token Scanner::next() { m_currentToken = m_nextToken; m_skippedComment = m_nextSkippedComment; @@ -225,7 +225,7 @@ Token::Value Scanner::next() return m_currentToken.token; } -Token::Value Scanner::selectToken(char _next, Token::Value _then, Token::Value _else) +Token Scanner::selectToken(char _next, Token _then, Token _else) { advance(); if (m_char == _next) @@ -249,7 +249,7 @@ void Scanner::skipWhitespaceExceptUnicodeLinebreak() advance(); } -Token::Value Scanner::skipSingleLineComment() +Token Scanner::skipSingleLineComment() { // Line terminator is not part of the comment. If it is a // non-ascii line terminator, it will result in a parser error. @@ -259,7 +259,7 @@ Token::Value Scanner::skipSingleLineComment() return Token::Whitespace; } -Token::Value Scanner::scanSingleLineDocComment() +Token Scanner::scanSingleLineDocComment() { LiteralScope literal(this, LITERAL_TYPE_COMMENT); advance(); //consume the last '/' at /// @@ -295,7 +295,7 @@ Token::Value Scanner::scanSingleLineDocComment() return Token::CommentLiteral; } -Token::Value Scanner::skipMultiLineComment() +Token Scanner::skipMultiLineComment() { advance(); while (!isSourcePastEndOfInput()) @@ -316,7 +316,7 @@ Token::Value Scanner::skipMultiLineComment() return Token::Illegal; } -Token::Value Scanner::scanMultiLineDocComment() +Token Scanner::scanMultiLineDocComment() { LiteralScope literal(this, LITERAL_TYPE_COMMENT); bool endFound = false; @@ -369,7 +369,7 @@ Token::Value Scanner::scanMultiLineDocComment() return Token::CommentLiteral; } -Token::Value Scanner::scanSlash() +Token Scanner::scanSlash() { int firstSlashPosition = sourcePos(); advance(); @@ -380,7 +380,7 @@ Token::Value Scanner::scanSlash() else if (m_char == '/') { // doxygen style /// comment - Token::Value comment; + Token comment; m_nextSkippedComment.location.start = firstSlashPosition; comment = scanSingleLineDocComment(); m_nextSkippedComment.location.end = sourcePos(); @@ -406,7 +406,7 @@ Token::Value Scanner::scanSlash() return Token::Whitespace; } // we actually have a multiline documentation comment - Token::Value comment; + Token comment; m_nextSkippedComment.location.start = firstSlashPosition; comment = scanMultiLineDocComment(); m_nextSkippedComment.location.end = sourcePos(); @@ -432,7 +432,7 @@ void Scanner::scanToken() m_nextSkippedComment.literal.clear(); m_nextSkippedComment.extendedTokenInfo = make_tuple(0, 0); - Token::Value token; + Token token; // M and N are for the purposes of grabbing different type sizes unsigned m; unsigned n; @@ -703,7 +703,7 @@ bool Scanner::isUnicodeLinebreak() return false; } -Token::Value Scanner::scanString() +Token Scanner::scanString() { char const quote = m_char; advance(); // consume quote @@ -727,7 +727,7 @@ Token::Value Scanner::scanString() return Token::StringLiteral; } -Token::Value Scanner::scanHexString() +Token Scanner::scanHexString() { char const quote = m_char; advance(); // consume quote @@ -760,7 +760,7 @@ void Scanner::scanDecimalDigits() // Defer further validation of underscore to SyntaxChecker. } -Token::Value Scanner::scanNumber(char _charSeen) +Token Scanner::scanNumber(char _charSeen) { enum { DECIMAL, HEX, BINARY } kind = DECIMAL; LiteralScope literal(this, LITERAL_TYPE_NUMBER); @@ -854,7 +854,7 @@ Token::Value Scanner::scanNumber(char _charSeen) return Token::Number; } -tuple<Token::Value, unsigned, unsigned> Scanner::scanIdentifierOrKeyword() +tuple<Token, unsigned, unsigned> Scanner::scanIdentifierOrKeyword() { solAssert(isIdentifierStart(m_char), ""); LiteralScope literal(this, LITERAL_TYPE_STRING); @@ -863,7 +863,7 @@ tuple<Token::Value, unsigned, unsigned> Scanner::scanIdentifierOrKeyword() while (isIdentifierPart(m_char)) //get full literal addLiteralCharAndAdvance(); literal.complete(); - return Token::fromIdentifierOrKeyword(m_nextToken.literal); + return TokenTraits::fromIdentifierOrKeyword(m_nextToken.literal); } char CharStream::advanceAndGet(size_t _chars) diff --git a/libsolidity/parsing/Scanner.h b/libsolidity/parsing/Scanner.h index 7564c788..02e0553f 100644 --- a/libsolidity/parsing/Scanner.h +++ b/libsolidity/parsing/Scanner.h @@ -112,13 +112,13 @@ public: void reset(); /// @returns the next token and advances input - Token::Value next(); + Token next(); ///@{ ///@name Information about the current token /// @returns the current token - Token::Value currentToken() const + Token currentToken() const { return m_currentToken.token; } @@ -149,7 +149,7 @@ public: ///@name Information about the next token /// @returns the next token without advancing input. - Token::Value peekNextToken() const { return m_nextToken.token; } + Token peekNextToken() const { return m_nextToken.token; } SourceLocation peekLocation() const { return m_nextToken.location; } std::string const& peekLiteral() const { return m_nextToken.literal; } ///@} @@ -168,7 +168,7 @@ private: /// Used for the current and look-ahead token and comments struct TokenDesc { - Token::Value token; + Token token; SourceLocation location; std::string literal; std::tuple<unsigned, unsigned> extendedTokenInfo; @@ -185,9 +185,9 @@ private: bool advance() { m_char = m_source.advanceAndGet(); return !m_source.isPastEndOfInput(); } void rollback(int _amount) { m_char = m_source.rollback(_amount); } - inline Token::Value selectToken(Token::Value _tok) { advance(); return _tok; } + inline Token selectToken(Token _tok) { advance(); return _tok; } /// If the next character is _next, advance and return _then, otherwise return _else. - inline Token::Value selectToken(char _next, Token::Value _then, Token::Value _else); + inline Token selectToken(char _next, Token _then, Token _else); bool scanHexByte(char& o_scannedByte); bool scanUnicode(unsigned& o_codepoint); @@ -199,19 +199,19 @@ private: bool skipWhitespace(); /// Skips all whitespace that are neither '\r' nor '\n'. void skipWhitespaceExceptUnicodeLinebreak(); - Token::Value skipSingleLineComment(); - Token::Value skipMultiLineComment(); + Token skipSingleLineComment(); + Token skipMultiLineComment(); void scanDecimalDigits(); - Token::Value scanNumber(char _charSeen = 0); - std::tuple<Token::Value, unsigned, unsigned> scanIdentifierOrKeyword(); + Token scanNumber(char _charSeen = 0); + std::tuple<Token, unsigned, unsigned> scanIdentifierOrKeyword(); - Token::Value scanString(); - Token::Value scanHexString(); - Token::Value scanSingleLineDocComment(); - Token::Value scanMultiLineDocComment(); + Token scanString(); + Token scanHexString(); + Token scanSingleLineDocComment(); + Token scanMultiLineDocComment(); /// Scans a slash '/' and depending on the characters returns the appropriate token - Token::Value scanSlash(); + Token scanSlash(); /// Scans an escape-sequence which is part of a string and adds the /// decoded character to the current literal. Returns true if a pattern diff --git a/libsolidity/parsing/Token.cpp b/libsolidity/parsing/Token.cpp index 27acb7d4..dccd9037 100644 --- a/libsolidity/parsing/Token.cpp +++ b/libsolidity/parsing/Token.cpp @@ -51,9 +51,9 @@ namespace dev namespace solidity { -void ElementaryTypeNameToken::assertDetails(Token::Value _baseType, unsigned const& _first, unsigned const& _second) +void ElementaryTypeNameToken::assertDetails(Token _baseType, unsigned const& _first, unsigned const& _second) { - solAssert(Token::isElementaryTypeName(_baseType), "Expected elementary type name: " + string(Token::toString(_baseType))); + solAssert(TokenTraits::isElementaryTypeName(_baseType), "Expected elementary type name: " + string(TokenTraits::toString(_baseType))); if (_baseType == Token::BytesM) { solAssert(_second == 0, "There should not be a second size argument to type bytesM."); @@ -61,17 +61,17 @@ void ElementaryTypeNameToken::assertDetails(Token::Value _baseType, unsigned con } else if (_baseType == Token::UIntM || _baseType == Token::IntM) { - solAssert(_second == 0, "There should not be a second size argument to type " + string(Token::toString(_baseType)) + "."); + solAssert(_second == 0, "There should not be a second size argument to type " + string(TokenTraits::toString(_baseType)) + "."); solAssert( _first <= 256 && _first % 8 == 0, - "No elementary type " + string(Token::toString(_baseType)) + to_string(_first) + "." + "No elementary type " + string(TokenTraits::toString(_baseType)) + to_string(_first) + "." ); } else if (_baseType == Token::UFixedMxN || _baseType == Token::FixedMxN) { solAssert( _first >= 8 && _first <= 256 && _first % 8 == 0 && _second <= 80, - "No elementary type " + string(Token::toString(_baseType)) + to_string(_first) + "x" + to_string(_second) + "." + "No elementary type " + string(TokenTraits::toString(_baseType)) + to_string(_first) + "x" + to_string(_second) + "." ); } m_token = _baseType; @@ -79,38 +79,54 @@ void ElementaryTypeNameToken::assertDetails(Token::Value _baseType, unsigned con m_secondNumber = _second; } -#define T(name, string, precedence) #name, -char const* const Token::m_name[NUM_TOKENS] = +namespace TokenTraits { - TOKEN_LIST(T, T) -}; -#undef T +char const* toString(Token tok) +{ + switch (tok) + { +#define T(name, string, precedence) case Token::name: return string; + TOKEN_LIST(T, T) +#undef T + default: // Token::NUM_TOKENS: + return ""; + } +} -#define T(name, string, precedence) string, -char const* const Token::m_string[NUM_TOKENS] = +char const* name(Token tok) { - TOKEN_LIST(T, T) -}; +#define T(name, string, precedence) #name, + static char const* const names[TokenTraits::count()] = { TOKEN_LIST(T, T) }; #undef T + solAssert(static_cast<size_t>(tok) < TokenTraits::count(), ""); + return names[static_cast<size_t>(tok)]; +} -#define T(name, string, precedence) precedence, -int8_t const Token::m_precedence[NUM_TOKENS] = +std::string friendlyName(Token tok) { - TOKEN_LIST(T, T) -}; -#undef T + char const* ret = toString(tok); + if (ret) + return std::string(ret); + ret = name(tok); + solAssert(ret != nullptr, ""); + return std::string(ret); +} -#define KT(a, b, c) 'T', -#define KK(a, b, c) 'K', -char const Token::m_tokenType[] = +#define T(name, string, precedence) precedence, +int precedence(Token tok) { - TOKEN_LIST(KT, KK) -}; + int8_t const static precs[TokenTraits::count()] = + { + TOKEN_LIST(T, T) + }; + return precs[static_cast<size_t>(tok)]; +} +#undef T -int Token::parseSize(string::const_iterator _begin, string::const_iterator _end) +int parseSize(string::const_iterator _begin, string::const_iterator _end) { try { @@ -123,7 +139,20 @@ int Token::parseSize(string::const_iterator _begin, string::const_iterator _end) } } -tuple<Token::Value, unsigned int, unsigned int> Token::fromIdentifierOrKeyword(string const& _literal) +static Token keywordByName(string const& _name) +{ + // The following macros are used inside TOKEN_LIST and cause non-keyword tokens to be ignored + // and keywords to be put inside the keywords variable. +#define KEYWORD(name, string, precedence) {string, Token::name}, +#define TOKEN(name, string, precedence) + static const map<string, Token> keywords({TOKEN_LIST(TOKEN, KEYWORD)}); +#undef KEYWORD +#undef TOKEN + auto it = keywords.find(_name); + return it == keywords.end() ? Token::Identifier : it->second; +} + +tuple<Token, unsigned int, unsigned int> fromIdentifierOrKeyword(string const& _literal) { auto positionM = find_if(_literal.begin(), _literal.end(), ::isdigit); if (positionM != _literal.end()) @@ -131,7 +160,7 @@ tuple<Token::Value, unsigned int, unsigned int> Token::fromIdentifierOrKeyword(s string baseType(_literal.begin(), positionM); auto positionX = find_if_not(positionM, _literal.end(), ::isdigit); int m = parseSize(positionM, positionX); - Token::Value keyword = keywordByName(baseType); + Token keyword = keywordByName(baseType); if (keyword == Token::Bytes) { if (0 < m && m <= 32 && positionX == _literal.end()) @@ -172,20 +201,7 @@ tuple<Token::Value, unsigned int, unsigned int> Token::fromIdentifierOrKeyword(s return make_tuple(keywordByName(_literal), 0, 0); } -Token::Value Token::keywordByName(string const& _name) -{ - // The following macros are used inside TOKEN_LIST and cause non-keyword tokens to be ignored - // and keywords to be put inside the keywords variable. -#define KEYWORD(name, string, precedence) {string, Token::name}, -#define TOKEN(name, string, precedence) - static const map<string, Token::Value> keywords({TOKEN_LIST(TOKEN, KEYWORD)}); -#undef KEYWORD -#undef TOKEN - auto it = keywords.find(_name); - return it == keywords.end() ? Token::Identifier : it->second; -} -#undef KT -#undef KK +} } } diff --git a/libsolidity/parsing/Token.h b/libsolidity/parsing/Token.h index 8ecc850a..81e8dd98 100644 --- a/libsolidity/parsing/Token.h +++ b/libsolidity/parsing/Token.h @@ -45,6 +45,7 @@ #include <libdevcore/Common.h> #include <libsolidity/interface/Exceptions.h> #include <libsolidity/parsing/UndefMacros.h> +#include <iosfwd> namespace dev { @@ -267,119 +268,95 @@ namespace solidity /* Scanner-internal use only. */ \ T(Whitespace, NULL, 0) - -class Token -{ -public: - // All token values. - // attention! msvc issue: - // http://stackoverflow.com/questions/9567868/compile-errors-after-adding-v8-to-my-project-c2143-c2059 - // @todo: avoid TOKEN_LIST macro +// All token values. +// attention! msvc issue: +// http://stackoverflow.com/questions/9567868/compile-errors-after-adding-v8-to-my-project-c2143-c2059 +// @todo: avoid TOKEN_LIST macro +enum class Token : unsigned int { #define T(name, string, precedence) name, - enum Value - { - TOKEN_LIST(T, T) - NUM_TOKENS - }; + TOKEN_LIST(T, T) + NUM_TOKENS #undef T +}; - // @returns a string corresponding to the C++ token name - // (e.g. "LT" for the token LT). - static char const* name(Value tok) - { - solAssert(tok < NUM_TOKENS, ""); - return m_name[tok]; - } +namespace TokenTraits +{ + constexpr size_t count() { return static_cast<size_t>(Token::NUM_TOKENS); } // Predicates - static bool isElementaryTypeName(Value tok) { return Int <= tok && tok < TypesEnd; } - static bool isAssignmentOp(Value tok) { return Assign <= tok && tok <= AssignMod; } - static bool isBinaryOp(Value op) { return Comma <= op && op <= Exp; } - static bool isCommutativeOp(Value op) { return op == BitOr || op == BitXor || op == BitAnd || - op == Add || op == Mul || op == Equal || op == NotEqual; } - static bool isArithmeticOp(Value op) { return Add <= op && op <= Exp; } - static bool isCompareOp(Value op) { return Equal <= op && op <= GreaterThanOrEqual; } + constexpr bool isElementaryTypeName(Token tok) { return Token::Int <= tok && tok < Token::TypesEnd; } + constexpr bool isAssignmentOp(Token tok) { return Token::Assign <= tok && tok <= Token::AssignMod; } + constexpr bool isBinaryOp(Token op) { return Token::Comma <= op && op <= Token::Exp; } + constexpr bool isCommutativeOp(Token op) { return op == Token::BitOr || op == Token::BitXor || op == Token::BitAnd || + op == Token::Add || op == Token::Mul || op == Token::Equal || op == Token::NotEqual; } + constexpr bool isArithmeticOp(Token op) { return Token::Add <= op && op <= Token::Exp; } + constexpr bool isCompareOp(Token op) { return Token::Equal <= op && op <= Token::GreaterThanOrEqual; } - static Value AssignmentToBinaryOp(Value op) - { - solAssert(isAssignmentOp(op) && op != Assign, ""); - return Value(op + (BitOr - AssignBitOr)); - } + constexpr bool isBitOp(Token op) { return (Token::BitOr <= op && op <= Token::BitAnd) || op == Token::BitNot; } + constexpr bool isBooleanOp(Token op) { return (Token::Or <= op && op <= Token::And) || op == Token::Not; } + constexpr bool isUnaryOp(Token op) { return (Token::Not <= op && op <= Token::Delete) || op == Token::Add || op == Token::Sub; } + constexpr bool isCountOp(Token op) { return op == Token::Inc || op == Token::Dec; } + constexpr bool isShiftOp(Token op) { return (Token::SHL <= op) && (op <= Token::SHR); } + constexpr bool isVariableVisibilitySpecifier(Token op) { return op == Token::Public || op == Token::Private || op == Token::Internal; } + constexpr bool isVisibilitySpecifier(Token op) { return isVariableVisibilitySpecifier(op) || op == Token::External; } + constexpr bool isLocationSpecifier(Token op) { return op == Token::Memory || op == Token::Storage || op == Token::CallData; } - static bool isBitOp(Value op) { return (BitOr <= op && op <= BitAnd) || op == BitNot; } - static bool isBooleanOp(Value op) { return (Or <= op && op <= And) || op == Not; } - static bool isUnaryOp(Value op) { return (Not <= op && op <= Delete) || 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 isVisibilitySpecifier(Value op) { return isVariableVisibilitySpecifier(op) || op == External; } - static bool isVariableVisibilitySpecifier(Value op) { return op == Public || op == Private || op == Internal; } - static bool isLocationSpecifier(Value op) { return op == Memory || op == Storage || op == CallData; } - static bool isStateMutabilitySpecifier(Value op, bool _allowConstant = true) + constexpr bool isStateMutabilitySpecifier(Token op, bool _allowConstant = true) { - if (op == Constant && _allowConstant) - return true; - return op == Pure || op == View || op == Payable; + return (op == Token::Constant && _allowConstant) + || op == Token::Pure || op == Token::View || op == Token::Payable; } - static bool isEtherSubdenomination(Value op) { return op == SubWei || op == SubSzabo || op == SubFinney || op == SubEther; } - static bool isTimeSubdenomination(Value op) { return op == SubSecond || op == SubMinute || op == SubHour || op == SubDay || op == SubWeek || op == SubYear; } - static bool isReservedKeyword(Value op) { return (Abstract <= op && op <= Unchecked); } - // @returns a string corresponding to the JS token string - // (.e., "<" for the token LT) or NULL if the token doesn't - // have a (unique) string (e.g. an IDENTIFIER). - static char const* toString(Value tok) - { - solAssert(tok < NUM_TOKENS, ""); - return m_string[tok]; - } + constexpr bool isEtherSubdenomination(Token op) { return op == Token::SubWei || op == Token::SubSzabo || op == Token::SubFinney || op == Token::SubEther; } + constexpr bool isTimeSubdenomination(Token op) { return op == Token::SubSecond || op == Token::SubMinute || op == Token::SubHour || op == Token::SubDay || op == Token::SubWeek || op == Token::SubYear; } + constexpr bool isReservedKeyword(Token op) { return (Token::Abstract <= op && op <= Token::Unchecked); } - static std::string friendlyName(Value tok) + inline Token AssignmentToBinaryOp(Token op) { - char const* ret = toString(tok); - if (ret == nullptr) - { - ret = name(tok); - solAssert(ret != nullptr, ""); - } - return std::string(ret); + solAssert(isAssignmentOp(op) && op != Token::Assign, ""); + return static_cast<Token>(static_cast<int>(op) + (static_cast<int>(Token::BitOr) - static_cast<int>(Token::AssignBitOr))); } // @returns the precedence > 0 for binary and compare // operators; returns 0 otherwise. - static int precedence(Value tok) - { - solAssert(tok < NUM_TOKENS, ""); - return m_precedence[tok]; - } + int precedence(Token tok); - static std::tuple<Token::Value, unsigned int, unsigned int> fromIdentifierOrKeyword(std::string const& _literal); + std::tuple<Token, unsigned int, unsigned int> fromIdentifierOrKeyword(std::string const& _literal); -private: - // @returns -1 on error (invalid digit or number too large) - static int parseSize(std::string::const_iterator _begin, std::string::const_iterator _end); - // @returns the keyword with name @a _name or Token::Identifier of no such keyword exists. - static Token::Value keywordByName(std::string const& _name); - static char const* const m_name[NUM_TOKENS]; - static char const* const m_string[NUM_TOKENS]; - static int8_t const m_precedence[NUM_TOKENS]; - static char const m_tokenType[NUM_TOKENS]; -}; + // @returns a string corresponding to the C++ token name + // (e.g. "LT" for the token LT). + char const* name(Token tok); + + // @returns a string corresponding to the JS token string + // (.e., "<" for the token LT) or NULL if the token doesn't + // have a (unique) string (e.g. an IDENTIFIER). + char const* toString(Token tok); + + std::string friendlyName(Token tok); +} + +inline std::ostream& operator<<(std::ostream& os, Token token) +{ + os << TokenTraits::friendlyName(token); + return os; +} class ElementaryTypeNameToken { public: - ElementaryTypeNameToken(Token::Value _token, unsigned const& _firstNumber, unsigned const& _secondNumber) + ElementaryTypeNameToken(Token _token, unsigned const& _firstNumber, unsigned const& _secondNumber) { assertDetails(_token, _firstNumber, _secondNumber); } unsigned int firstNumber() const { return m_firstNumber; } unsigned int secondNumber() const { return m_secondNumber; } - Token::Value token() const { return m_token; } + Token token() const { return m_token; } + ///if tokValue is set to true, then returns the actual token type name, otherwise, returns full type std::string toString(bool const& tokenValue = false) const { - std::string name = Token::toString(m_token); + std::string name = TokenTraits::toString(m_token); if (tokenValue || (firstNumber() == 0 && secondNumber() == 0)) return name; solAssert(name.size() >= 3, "Token name size should be greater than 3. Should not reach here."); @@ -390,11 +367,11 @@ public: } private: - Token::Value m_token; + Token m_token; unsigned int m_firstNumber; unsigned int m_secondNumber; /// throws if type is not properly sized - void assertDetails(Token::Value _baseType, unsigned const& _first, unsigned const& _second); + void assertDetails(Token _baseType, unsigned const& _first, unsigned const& _second); }; } |