+ CYState state_;
+ std::stack<bool> in_;
+
+ struct {
+ bool AtImplementation;
+ bool Function;
+ bool OpenBrace;
+ } no_;
+
+ std::istream &data_;
+
+ bool strict_;
+ bool commented_;
+
+ enum Condition {
+ RegExpCondition,
+ XMLContentCondition,
+ XMLTagCondition,
+ };
+
+ std::string filename_;
+
+ struct Error {
+ bool warning_;
+ cy::location location_;
+ std::string message_;
+ };
+
+ typedef std::vector<Error> Errors;
+
+ CYProgram *program_;
+ Errors errors_;
+
+ bool auto_;
+
+ struct Context {
+ CYExpression *context_;
+
+ Context(CYExpression *context) :
+ context_(context)
+ {
+ }
+
+ typedef std::vector<CYWord *> Words;
+ Words words_;
+ };
+
+ typedef std::vector<Context> Contexts;
+ Contexts contexts_;
+
+ CYExpression *context_;
+
+ enum Mode {
+ AutoNone,
+ AutoPrimary,
+ AutoDirect,
+ AutoIndirect,
+ AutoMessage
+ } mode_;
+
+ private:
+ void ScannerInit();
+ void ScannerDestroy();
+
+ public:
+ CYDriver(std::istream &data, const std::string &filename = "");
+ ~CYDriver();
+
+ Condition GetCondition();
+ void SetCondition(Condition condition);
+
+ void PushCondition(Condition condition);
+ void PopCondition();
+
+ void Warning(const cy::location &location, const char *message);
+};
+
+struct CYForInitialiser {
+ virtual ~CYForInitialiser() {
+ }
+
+ virtual CYExpression *Replace(CYContext &context) = 0;
+ virtual void Output(CYOutput &out, CYFlags flags) const = 0;
+};
+
+struct CYForInInitialiser {
+ virtual ~CYForInInitialiser() {
+ }
+
+ virtual void ForIn(CYOutput &out, CYFlags flags) const = 0;
+ virtual CYStatement *ForEachIn(CYContext &out, CYExpression *value) = 0;
+
+ virtual CYExpression *Replace(CYContext &context) = 0;
+ virtual CYAssignment *Assignment(CYContext &context) = 0;
+
+ virtual void Output(CYOutput &out, CYFlags flags) const = 0;
+};
+
+struct CYNumber;
+struct CYString;
+
+struct CYExpression :
+ CYNext<CYExpression>,
+ CYForInitialiser,
+ CYForInInitialiser,
+ CYClassName,
+ CYThing
+{
+ virtual unsigned Precedence() const = 0;
+
+ virtual bool RightHand() const {
+ return true;
+ }
+
+ virtual void ForIn(CYOutput &out, CYFlags flags) const;
+ virtual CYStatement *ForEachIn(CYContext &out, CYExpression *value);
+
+ virtual CYExpression *AddArgument(CYContext &context, CYExpression *value);
+
+ virtual void Output(CYOutput &out) const;
+ virtual void Output(CYOutput &out, CYFlags flags) const = 0;
+ void Output(CYOutput &out, unsigned precedence, CYFlags flags) const;
+
+ virtual CYExpression *ClassName(CYContext &context, bool object);
+ virtual void ClassName(CYOutput &out, bool object) const;
+
+ virtual CYExpression *Replace(CYContext &context) = 0;
+ virtual CYAssignment *Assignment(CYContext &context);
+
+ virtual CYExpression *Primitive(CYContext &context) {
+ return this;
+ }
+
+ virtual CYNumber *Number(CYContext &context) {
+ return NULL;
+ }
+
+ virtual CYString *String(CYContext &context) {
+ return NULL;
+ }
+
+ virtual const char *Word() const {
+ return NULL;
+ }
+};
+
+#define CYAlphabetic(value) \
+ virtual bool Alphabetic() const { \
+ return value; \
+ }
+
+#define CYPrecedence(value) \
+ static const unsigned Precedence_ = value; \
+ virtual unsigned Precedence() const { \
+ return Precedence_; \
+ }
+
+#define CYRightHand(value) \
+ virtual bool RightHand() const { \
+ return value; \
+ }
+
+struct CYCompound :
+ CYExpression
+{
+ CYExpression *expressions_;
+
+ CYCompound(CYExpression *expressions = NULL) :
+ expressions_(expressions)
+ {
+ }
+
+ void AddPrev(CYExpression *expression) {
+ CYSetLast(expression) = expressions_;
+ expressions_ = expression;
+ }
+
+ CYPrecedence(17)
+
+ virtual CYExpression *Replace(CYContext &context);
+ void Output(CYOutput &out, CYFlags flags) const;
+
+ virtual CYExpression *Primitive(CYContext &context);
+};
+
+struct CYDeclaration;
+
+struct CYFunctionParameter :
+ CYNext<CYFunctionParameter>,
+ CYThing
+{
+ CYForInInitialiser *initialiser_;
+
+ CYFunctionParameter(CYForInInitialiser *initialiser, CYFunctionParameter *next = NULL) :
+ CYNext<CYFunctionParameter>(next),
+ initialiser_(initialiser)
+ {
+ }
+
+ void Replace(CYContext &context, CYBlock &code);
+ void Output(CYOutput &out) const;
+};
+
+struct CYComprehension :
+ CYNext<CYComprehension>,
+ CYThing
+{
+ CYComprehension(CYComprehension *next = NULL) :
+ CYNext<CYComprehension>(next)
+ {
+ }
+
+ virtual const char *Name() const = 0;
+
+ virtual CYFunctionParameter *Parameter(CYContext &context) const = 0;
+ CYFunctionParameter *Parameters(CYContext &context) const;
+ virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const;
+ virtual void Output(CYOutput &out) const = 0;
+};
+
+struct CYForInComprehension :
+ CYComprehension
+{
+ CYIdentifier *name_;
+ CYExpression *set_;
+
+ CYForInComprehension(CYIdentifier *name, CYExpression *set, CYComprehension *next = NULL) :
+ CYComprehension(next),
+ name_(name),
+ set_(set)
+ {
+ }
+
+ virtual const char *Name() const {
+ return name_->Word();
+ }
+
+ virtual CYFunctionParameter *Parameter(CYContext &context) const;
+ virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const;
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYForOfComprehension :
+ CYComprehension
+{
+ CYIdentifier *name_;
+ CYExpression *set_;
+
+ CYForOfComprehension(CYIdentifier *name, CYExpression *set, CYComprehension *next = NULL) :
+ CYComprehension(next),
+ name_(name),
+ set_(set)
+ {
+ }
+
+ virtual const char *Name() const {
+ return name_->Word();
+ }
+
+ virtual CYFunctionParameter *Parameter(CYContext &context) const;
+ virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const;
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYIfComprehension :
+ CYComprehension
+{
+ CYExpression *test_;
+
+ CYIfComprehension(CYExpression *test) :
+ test_(test)
+ {
+ }
+
+ virtual const char *Name() const {
+ return NULL;
+ }
+
+ virtual CYFunctionParameter *Parameter(CYContext &context) const;
+ virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const;
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYArrayComprehension :
+ CYExpression
+{
+ CYExpression *expression_;
+ CYComprehension *comprehensions_;
+
+ CYArrayComprehension(CYExpression *expression, CYComprehension *comprehensions) :
+ expression_(expression),
+ comprehensions_(comprehensions)
+ {
+ }
+
+ CYPrecedence(0)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYLiteral :
+ CYExpression
+{
+ CYPrecedence(0)
+ CYRightHand(false)
+};
+
+struct CYTrivial :
+ CYLiteral
+{
+ virtual CYExpression *Replace(CYContext &context);
+};
+
+struct CYMagic :
+ CYExpression
+{
+ CYPrecedence(0)
+ CYRightHand(false)
+};
+
+struct CYRange {
+ uint64_t lo_;
+ uint64_t hi_;
+
+ CYRange(uint64_t lo, uint64_t hi) :
+ lo_(lo), hi_(hi)
+ {
+ }
+
+ bool operator [](uint8_t value) const {
+ return !(value >> 7) && (value >> 6 ? hi_ : lo_) >> (value & 0x3f) & 0x1;
+ }
+
+ void operator()(uint8_t value) {
+ if (value >> 7)
+ return;
+ (value >> 6 ? hi_ : lo_) |= uint64_t(0x1) << (value & 0x3f);
+ }
+};
+
+extern CYRange DigitRange_;
+extern CYRange WordStartRange_;
+extern CYRange WordEndRange_;
+
+struct CYString :
+ CYTrivial,
+ CYPropertyName
+{
+ const char *value_;
+ size_t size_;
+
+ CYString() :
+ value_(NULL),
+ size_(0)
+ {
+ }
+
+ CYString(const char *value) :
+ value_(value),
+ size_(strlen(value))
+ {
+ }
+
+ CYString(const char *value, size_t size) :
+ value_(value),
+ size_(size)
+ {
+ }
+
+ CYString(const CYWord *word) :
+ value_(word->Word()),
+ size_(strlen(value_))
+ {
+ }
+
+ const char *Value() const {
+ return value_;
+ }
+
+ virtual const char *Word() const;
+
+ virtual CYNumber *Number(CYContext &context);
+ virtual CYString *String(CYContext &context);
+
+ CYString *Concat(CYContext &out, CYString *rhs) const;
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+ virtual void PropertyName(CYOutput &out) const;
+};
+
+struct CYNumber :
+ CYTrivial,
+ CYPropertyName
+{
+ double value_;
+
+ CYNumber(double value) :
+ value_(value)
+ {
+ }
+
+ double Value() const {
+ return value_;
+ }
+
+ virtual CYNumber *Number(CYContext &context);
+ virtual CYString *String(CYContext &context);
+
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+ virtual void PropertyName(CYOutput &out) const;
+};
+
+struct CYRegEx :
+ CYTrivial
+{
+ const char *value_;
+
+ CYRegEx(const char *value) :
+ value_(value)
+ {
+ }
+
+ const char *Value() const {
+ return value_;
+ }
+
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYNull :
+ CYWord,
+ CYTrivial
+{
+ CYNull() :
+ CYWord("null")
+ {
+ }
+
+ virtual CYNumber *Number(CYContext &context);
+ virtual CYString *String(CYContext &context);
+
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYThis :
+ CYWord,
+ CYMagic
+{
+ CYThis() :
+ CYWord("this")
+ {
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYBoolean :
+ CYTrivial
+{
+ virtual bool Value() const = 0;
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYFalse :
+ CYWord,
+ CYBoolean
+{
+ CYFalse() :
+ CYWord("false")
+ {
+ }
+
+ virtual bool Value() const {
+ return false;
+ }
+
+ virtual CYNumber *Number(CYContext &context);
+ virtual CYString *String(CYContext &context);
+};
+
+struct CYTrue :
+ CYWord,
+ CYBoolean
+{
+ CYTrue() :
+ CYWord("true")
+ {
+ }
+
+ virtual bool Value() const {
+ return true;
+ }
+
+ virtual CYNumber *Number(CYContext &context);
+ virtual CYString *String(CYContext &context);
+};
+
+struct CYVariable :
+ CYExpression
+{
+ CYIdentifier *name_;
+
+ CYVariable(CYIdentifier *name) :
+ name_(name)
+ {
+ }
+
+ CYVariable(const char *name) :
+ name_(new($pool) CYIdentifier(name))
+ {
+ }
+
+ CYPrecedence(0)
+ CYRightHand(false)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYPrefix :
+ CYExpression
+{
+ CYExpression *rhs_;
+
+ CYPrefix(CYExpression *rhs) :
+ rhs_(rhs)
+ {
+ }
+
+ virtual bool Alphabetic() const = 0;
+ virtual const char *Operator() const = 0;
+
+ CYPrecedence(4)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYInfix :
+ CYExpression
+{
+ CYExpression *lhs_;
+ CYExpression *rhs_;
+
+ CYInfix(CYExpression *lhs, CYExpression *rhs) :
+ lhs_(lhs),
+ rhs_(rhs)
+ {
+ }
+
+ void SetLeft(CYExpression *lhs) {
+ lhs_ = lhs;
+ }
+
+ virtual bool Alphabetic() const = 0;
+ virtual const char *Operator() const = 0;
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYPostfix :
+ CYExpression
+{
+ CYExpression *lhs_;
+
+ CYPostfix(CYExpression *lhs) :
+ lhs_(lhs)
+ {
+ }
+
+ virtual const char *Operator() const = 0;
+
+ CYPrecedence(3)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYAssignment :
+ CYExpression
+{
+ CYExpression *lhs_;
+ CYExpression *rhs_;
+
+ CYAssignment(CYExpression *lhs, CYExpression *rhs) :
+ lhs_(lhs),
+ rhs_(rhs)
+ {
+ }
+
+ void SetLeft(CYExpression *lhs) {
+ lhs_ = lhs;
+ }
+
+ virtual const char *Operator() const = 0;
+
+ CYPrecedence(16)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYArgument :
+ CYNext<CYArgument>,
+ CYThing
+{
+ CYWord *name_;
+ CYExpression *value_;
+
+ CYArgument(CYExpression *value, CYArgument *next = NULL) :
+ CYNext<CYArgument>(next),
+ name_(NULL),
+ value_(value)
+ {
+ }
+
+ CYArgument(CYWord *name, CYExpression *value, CYArgument *next = NULL) :
+ CYNext<CYArgument>(next),
+ name_(name),
+ value_(value)
+ {
+ }
+
+ CYArgument *Replace(CYContext &context);
+ void Output(CYOutput &out) const;
+};
+
+struct CYBlank :
+ public CYWord
+{
+ CYBlank() :
+ CYWord("")
+ {
+ }
+};
+
+struct CYClause :
+ CYThing,
+ CYNext<CYClause>
+{
+ CYExpression *case_;
+ CYStatement *statements_;
+
+ CYClause(CYExpression *_case, CYStatement *statements) :
+ case_(_case),
+ statements_(statements)
+ {
+ }
+
+ void Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYElement :
+ CYNext<CYElement>,
+ CYThing
+{
+ CYExpression *value_;
+
+ CYElement(CYExpression *value, CYElement *next) :
+ CYNext<CYElement>(next),
+ value_(value)
+ {
+ }
+
+ void Replace(CYContext &context);
+ void Output(CYOutput &out) const;
+};
+
+struct CYArray :
+ CYLiteral
+{
+ CYElement *elements_;
+
+ CYArray(CYElement *elements = NULL) :
+ elements_(elements)
+ {
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYProperty :
+ CYNext<CYProperty>,
+ CYThing
+{
+ CYPropertyName *name_;
+ CYExpression *value_;
+
+ CYProperty(CYPropertyName *name, CYExpression *value, CYProperty *next = NULL) :
+ CYNext<CYProperty>(next),
+ name_(name),
+ value_(value)
+ {
+ }
+
+ void Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYDeclaration :
+ CYForInInitialiser
+{
+ CYIdentifier *identifier_;
+ CYExpression *initialiser_;
+
+ CYDeclaration(CYIdentifier *identifier, CYExpression *initialiser = NULL) :
+ identifier_(identifier),
+ initialiser_(initialiser)
+ {
+ }
+
+ virtual void ForIn(CYOutput &out, CYFlags flags) const;
+ virtual CYStatement *ForEachIn(CYContext &out, CYExpression *value);
+
+ virtual CYExpression *Replace(CYContext &context);
+
+ virtual CYAssignment *Assignment(CYContext &context);
+ CYVariable *Variable(CYContext &context);
+
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYDeclarations :
+ CYNext<CYDeclarations>,
+ CYThing
+{
+ CYDeclaration *declaration_;