X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/924f67b2b1aabb11cdcbbfc00fd638c9b6bfb868..272c3da334ce4d6925eb6520a275cd6e503852e7:/Parser.hpp

diff --git a/Parser.hpp b/Parser.hpp
index 7878b0f..1c5c7ab 100644
--- a/Parser.hpp
+++ b/Parser.hpp
@@ -1,104 +1,1215 @@
+/* Cycript - Remove Execution Server and Disassembler
+ * Copyright (C) 2009  Jay Freeman (saurik)
+*/
+
+/* Modified BSD License {{{ */
+/*
+ *        Redistribution and use in source and binary
+ * forms, with or without modification, are permitted
+ * provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the
+ *    above copyright notice, this list of conditions
+ *    and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the
+ *    above copyright notice, this list of conditions
+ *    and the following disclaimer in the documentation
+ *    and/or other materials provided with the
+ *    distribution.
+ * 3. The name of the author may not be used to endorse
+ *    or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/* }}} */
+
 #ifndef CYPARSER_HPP
 #define CYPARSER_HPP
 
-class CYParser {
+#include <cstdlib>
+#include <string>
+#include <vector>
+
+#include "location.hh"
+#include "Pooling.hpp"
+
+template <typename Type_>
+struct CYNext {
+    Type_ *next_;
+
+    CYNext() :
+        next_(NULL)
+    {
+    }
+
+    CYNext(Type_ *next) :
+        next_(next)
+    {
+    }
+
+    void SetNext(Type_ *next) {
+        next_ = next;
+    }
+};
+
+struct CYThing {
+    virtual void Output(std::ostream &out) const = 0;
+};
+
+_finline std::ostream &operator <<(std::ostream &out, const CYThing &rhs) {
+    rhs.Output(out);
+    return out;
+}
+
+struct CYSource :
+    CYNext<CYSource>
+{
+    virtual void Show(std::ostream &out) const;
+    virtual void Output(std::ostream &out) const = 0;
+    virtual void Output(std::ostream &out, bool block) const;
+};
+
+struct CYName :
+    CYThing
+{
+    virtual const char *Name() const = 0;
+};
+
+struct CYWord :
+    CYName
+{
+    const char *word_;
+
+    CYWord(const char *word) :
+        word_(word)
+    {
+    }
+
+    const char *Value() const {
+        return word_;
+    }
+
+    virtual const char *Name() const {
+        return Value();
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYIdentifier :
+    CYWord
+{
+    CYIdentifier(const char *word) :
+        CYWord(word)
+    {
+    }
+};
+
+struct CYLabel :
+    CYNext<CYLabel>
+{
+    CYIdentifier *identifier_;
+
+    CYLabel(CYIdentifier *identifier, CYLabel *next) :
+        CYNext<CYLabel>(next),
+        identifier_(identifier)
+    {
+    }
+};
+
+struct CYStatement :
+    CYSource
+{
+    CYLabel *label_;
+
+    void AddLabel(CYIdentifier *identifier) {
+        label_ = new CYLabel(identifier, label_);
+    }
+};
+
+enum CYState {
+    CYClear,
+    CYRestricted,
+    CYNewLine
+};
+
+class CYDriver {
   public:
+    CYPool pool_;
+
+    CYState state_;
     void *scanner_;
 
+    const char *data_;
+    size_t size_;
+
+    std::string filename_;
+
+    struct Error {
+        cy::location location_;
+        std::string message_;
+    };
+
+    typedef std::vector<Error> Errors;
+
+    CYSource *source_;
+    Errors errors_;
+
   private:
     void ScannerInit();
     void ScannerDestroy();
 
   public:
-    CYParser();
-    ~CYParser();
+    CYDriver(const std::string &filename);
+    ~CYDriver();
 };
 
-struct CYExpression {
+struct CYPart {
+    virtual void Part(std::ostream &out) const = 0;
 };
 
-struct CYToken {
-    virtual const char *Text() const = 0;
+struct CYForInitialiser :
+    CYPart
+{
 };
 
-struct CYTokenLiteral :
-    CYExpression,
-    virtual CYToken
+struct CYForInInitialiser :
+    CYPart
 {
 };
 
-struct CYTokenString :
-    CYTokenLiteral
+enum CYFlags {
+    CYNoFlags =    0,
+    CYNoBrace =    (1 << 0),
+    CYNoFunction = (1 << 1),
+    CYNoLeader =   (1 << 2),
+    CYNoTrailer =  (1 << 3),
+    CYNoIn =       (1 << 4),
+};
+
+struct CYExpression :
+    CYNext<CYExpression>,
+    CYForInitialiser,
+    CYForInInitialiser
 {
+    virtual unsigned Precedence() const = 0;
+    virtual void Part(std::ostream &out) const;
+    virtual void Output(std::ostream &out, CYFlags flags) const = 0;
+    void Output(std::ostream &out, unsigned precedence, CYFlags flags) const;
+
+    virtual const char *Word() const {
+        return NULL;
+    }
 };
 
-struct CYTokenNumber :
-    CYTokenLiteral
+#define CYAlphabetic(value) \
+    virtual bool Alphabetic() const { \
+        return value; \
+    }
+
+#define CYPrecedence(value) \
+    virtual unsigned Precedence() const { \
+        return value; \
+    }
+
+struct CYCompound :
+    CYExpression
 {
+    CYExpression *expressions_;
+
+    CYCompound(CYExpression *expressions) :
+        expressions_(expressions)
+    {
+    }
+
+    void AddPrev(CYExpression *expression) {
+        CYExpression *last(expression);
+        while (last->next_ != NULL)
+            last = last->next_;
+        last->SetNext(expressions_);
+        expressions_ = expression;
+    }
+
+    CYPrecedence(17)
+
+    void Output(std::ostream &out, CYFlags flags) const;
 };
 
-struct CYTokenWord :
-    virtual CYToken
+struct CYLiteral :
+    CYExpression
 {
+    CYPrecedence(0)
 };
 
-struct CYTokenIdentifier :
-    CYExpression,
-    CYTokenWord
+struct CYMagic :
+    CYExpression
 {
-    const char *word_;
+    CYPrecedence(0)
+};
 
-    virtual const char *Text() const {
-        return word_;
+struct CYSelectorPart :
+    CYNext<CYSelectorPart>
+{
+    CYWord *name_;
+    bool value_;
+
+    CYSelectorPart(CYWord *name, bool value, CYSelectorPart *next) :
+        CYNext<CYSelectorPart>(next),
+        name_(name),
+        value_(value)
+    {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
-struct CYExpressionPrefix :
+struct CYSelector :
+    CYLiteral
+{
+    CYSelectorPart *name_;
+
+    CYSelector(CYSelectorPart *name) :
+        name_(name)
+    {
+    }
+
+    CYPrecedence(1)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+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 :
+    CYLiteral,
+    CYName
+{
+    const char *value_;
+    size_t size_;
+
+    CYString(const char *value, size_t size) :
+        value_(value),
+        size_(size)
+    {
+    }
+
+    CYString(const CYIdentifier *identifier) :
+        value_(identifier->Value()),
+        size_(strlen(value_))
+    {
+    }
+
+    const char *Value() const {
+        return value_;
+    }
+
+    virtual const char *Name() const {
+        return Value();
+    }
+
+    virtual const char *Word() const {
+        if (size_ == 0 || !WordStartRange_[value_[0]])
+            return NULL;
+        for (size_t i(1); i != size_; ++i)
+            if (!WordEndRange_[value_[i]])
+                return NULL;
+        return Value();
+    }
+
+    virtual void Output(std::ostream &out) const {
+        return Output(out, CYNoFlags);
+    }
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYNumber :
+    CYLiteral,
+    CYName
+{
+    double value_;
+
+    CYNumber(double value) :
+        value_(value)
+    {
+    }
+
+    double Value() const {
+        return value_;
+    }
+
+    virtual const char *Name() const {
+        throw;
+    }
+
+    virtual void Output(std::ostream &out) const {
+        return Output(out, CYNoFlags);
+    }
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYNull :
+    CYWord,
+    CYLiteral
+{
+    CYNull() :
+        CYWord("null")
+    {
+    }
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYThis :
+    CYWord,
+    CYMagic
+{
+    CYThis() :
+        CYWord("this")
+    {
+    }
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYBoolean :
+    CYLiteral
+{
+    virtual bool Value() const = 0;
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYFalse :
+    CYWord,
+    CYBoolean
+{
+    CYFalse() :
+        CYWord("false")
+    {
+    }
+
+    virtual bool Value() const;
+};
+
+struct CYTrue :
+    CYWord,
+    CYBoolean
+{
+    CYTrue() :
+        CYWord("true")
+    {
+    }
+
+    virtual bool Value() const;
+};
+
+struct CYVariable :
+    CYExpression
+{
+    CYIdentifier *name_;
+
+    CYVariable(CYIdentifier *name) :
+        name_(name)
+    {
+    }
+
+    CYPrecedence(0)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYPrefix :
     CYExpression
 {
     CYExpression *rhs_;
 
-    CYExpressionPrefix(CYExpression *rhs) :
+    CYPrefix(CYExpression *rhs) :
         rhs_(rhs)
     {
     }
+
+    virtual bool Alphabetic() const = 0;
+    virtual const char *Operator() const = 0;
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
-struct CYExpressionInfix :
+struct CYInfix :
     CYExpression
 {
     CYExpression *lhs_;
     CYExpression *rhs_;
 
-    CYExpressionInfix(CYExpression *lhs, CYExpression *rhs) :
+    CYInfix(CYExpression *lhs, CYExpression *rhs) :
         lhs_(lhs),
         rhs_(rhs)
     {
     }
+
+    virtual bool Alphabetic() const = 0;
+    virtual const char *Operator() const = 0;
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
-struct CYExpressionPostfix :
+struct CYPostfix :
     CYExpression
 {
     CYExpression *lhs_;
 
-    CYExpressionPostfix(CYExpression *lhs) :
+    CYPostfix(CYExpression *lhs) :
         lhs_(lhs)
     {
     }
+
+    virtual const char *Operator() const = 0;
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
-struct CYExpressionAssignment :
+struct CYAssignment :
     CYExpression
 {
     CYExpression *lhs_;
     CYExpression *rhs_;
 
-    CYExpressionAssignment(CYExpression *lhs, CYExpression *rhs) :
+    CYAssignment(CYExpression *lhs, CYExpression *rhs) :
         lhs_(lhs),
         rhs_(rhs)
     {
     }
+
+    virtual const char *Operator() const = 0;
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYArgument :
+    CYNext<CYArgument>
+{
+    CYWord *name_;
+    CYExpression *value_;
+
+    CYArgument(CYWord *name, CYExpression *value, CYArgument *next = NULL) :
+        CYNext<CYArgument>(next),
+        name_(name),
+        value_(value)
+    {
+    }
+
+    void Output(std::ostream &out) const;
+};
+
+struct CYBlank :
+    public CYWord
+{
+    CYBlank() :
+        CYWord("")
+    {
+    }
+};
+
+struct CYClause :
+    CYThing,
+    CYNext<CYClause>
+{
+    CYExpression *case_;
+    CYStatement *code_;
+
+    CYClause(CYExpression *_case, CYStatement *code) :
+        case_(_case),
+        code_(code)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYElement :
+    CYNext<CYElement>
+{
+    CYExpression *value_;
+
+    CYElement(CYExpression *value, CYElement *next) :
+        CYNext<CYElement>(next),
+        value_(value)
+    {
+    }
+
+    void Output(std::ostream &out) const;
+};
+
+struct CYArray :
+    CYLiteral
+{
+    CYElement *elements_;
+
+    CYArray(CYElement *elements) :
+        elements_(elements)
+    {
+    }
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYDeclaration :
+    CYThing,
+    CYForInInitialiser
+{
+    CYIdentifier *identifier_;
+    CYExpression *initialiser_;
+
+    CYDeclaration(CYIdentifier *identifier, CYExpression *initialiser) :
+        identifier_(identifier),
+        initialiser_(initialiser)
+    {
+    }
+
+    virtual void Part(std::ostream &out) const;
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYDeclarations :
+    CYStatement,
+    CYForInitialiser
+{
+    CYDeclaration *declaration_;
+    CYDeclarations *next_;
+
+    CYDeclarations(CYDeclaration *declaration, CYDeclarations *next) :
+        declaration_(declaration),
+        next_(next)
+    {
+    }
+
+    virtual void Part(std::ostream &out) const;
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYField :
+    CYNext<CYField>
+{
+    virtual void Output(std::ostream &out) const;
 };
 
+struct CYMessageParameter :
+    CYNext<CYMessageParameter>
+{
+    CYWord *tag_;
+    CYExpression *type_;
+    CYIdentifier *name_;
+
+    CYMessageParameter(CYWord *tag, CYExpression *type, CYIdentifier *name) :
+        tag_(tag),
+        type_(type),
+        name_(name)
+    {
+    }
+};
+
+struct CYMessage :
+    CYSource
+{
+    bool instance_;
+    CYExpression *type_;
+    CYMessageParameter *parameter_;
+    CYSource *body_;
+
+    CYMessage(bool instance, CYExpression *type, CYMessageParameter *parameter, CYSource *body) :
+        instance_(instance),
+        type_(type),
+        parameter_(parameter),
+        body_(body)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYClass :
+    CYSource
+{
+    CYIdentifier *name_;
+    CYExpression *super_;
+    CYField *fields_;
+    CYMessage *messages_;
+
+    CYClass(CYIdentifier *name, CYExpression *super, CYField *fields, CYMessage *messages) :
+        name_(name),
+        super_(super),
+        fields_(fields),
+        messages_(messages)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYFunctionParameter :
+    CYNext<CYFunctionParameter>,
+    CYThing
+{
+    CYIdentifier *name_;
+
+    CYFunctionParameter(CYIdentifier *name, CYFunctionParameter *next) :
+        CYNext<CYFunctionParameter>(next),
+        name_(name)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYFor :
+    CYStatement
+{
+    CYForInitialiser *initialiser_;
+    CYExpression *test_;
+    CYExpression *increment_;
+    CYStatement *code_;
+
+    CYFor(CYForInitialiser *initialiser, CYExpression *test, CYExpression *increment, CYStatement *code) :
+        initialiser_(initialiser),
+        test_(test),
+        increment_(increment),
+        code_(code)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYForIn :
+    CYStatement
+{
+    CYForInInitialiser *initialiser_;
+    CYExpression *set_;
+    CYStatement *code_;
+
+    CYForIn(CYForInInitialiser *initialiser, CYExpression *set, CYStatement *code) :
+        initialiser_(initialiser),
+        set_(set),
+        code_(code)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYProperty :
+    CYNext<CYProperty>
+{
+    CYName *name_;
+    CYExpression *value_;
+
+    CYProperty(CYName *name, CYExpression *value, CYProperty *next) :
+        CYNext<CYProperty>(next),
+        name_(name),
+        value_(value)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYObject :
+    CYLiteral
+{
+    CYProperty *property_;
+
+    CYObject(CYProperty *property) :
+        property_(property)
+    {
+    }
+
+    void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYCatch :
+    CYThing
+{
+    CYIdentifier *name_;
+    CYStatement *code_;
+
+    CYCatch(CYIdentifier *name, CYStatement *code) :
+        name_(name),
+        code_(code)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYSend :
+    CYExpression
+{
+    CYExpression *self_;
+    CYArgument *arguments_;
+
+    CYSend(CYExpression *self, CYArgument *arguments) :
+        self_(self),
+        arguments_(arguments)
+    {
+    }
+
+    CYPrecedence(0)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYMember :
+    CYExpression
+{
+    CYExpression *object_;
+    CYExpression *property_;
+
+    CYMember(CYExpression *object, CYExpression *property) :
+        object_(object),
+        property_(property)
+    {
+    }
+
+    CYPrecedence(1)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYNew :
+    CYExpression
+{
+    CYExpression *constructor_;
+    CYArgument *arguments_;
+
+    CYNew(CYExpression *constructor, CYArgument *arguments) :
+        constructor_(constructor),
+        arguments_(arguments)
+    {
+    }
+
+    CYPrecedence(1)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYCall :
+    CYExpression
+{
+    CYExpression *function_;
+    CYArgument *arguments_;
+
+    CYCall(CYExpression *function, CYArgument *arguments) :
+        function_(function),
+        arguments_(arguments)
+    {
+    }
+
+    CYPrecedence(2)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYIf :
+    CYStatement
+{
+    CYExpression *test_;
+    CYStatement *true_;
+    CYStatement *false_;
+
+    CYIf(CYExpression *test, CYStatement *_true, CYStatement *_false) :
+        test_(test),
+        true_(_true),
+        false_(_false)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYDoWhile :
+    CYStatement
+{
+    CYExpression *test_;
+    CYStatement *code_;
+
+    CYDoWhile(CYExpression *test, CYStatement *code) :
+        test_(test),
+        code_(code)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYWhile :
+    CYStatement
+{
+    CYExpression *test_;
+    CYStatement *code_;
+
+    CYWhile(CYExpression *test, CYStatement *code) :
+        test_(test),
+        code_(code)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYLambda :
+    CYExpression
+{
+    CYIdentifier *name_;
+    CYFunctionParameter *parameters_;
+    CYSource *body_;
+
+    CYLambda(CYIdentifier *name, CYFunctionParameter *parameters, CYSource *body) :
+        name_(name),
+        parameters_(parameters),
+        body_(body)
+    {
+    }
+
+    CYPrecedence(0)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYFunction :
+    CYLambda,
+    CYSource
+{
+    CYFunction(CYIdentifier *name, CYFunctionParameter *parameters, CYSource *body) :
+        CYLambda(name, parameters, body)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYExpress :
+    CYStatement
+{
+    CYExpression *expression_;
+
+    CYExpress(CYExpression *expression) :
+        expression_(expression)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYContinue :
+    CYStatement
+{
+    CYIdentifier *label_;
+
+    CYContinue(CYIdentifier *label) :
+        label_(label)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYBreak :
+    CYStatement
+{
+    CYIdentifier *label_;
+
+    CYBreak(CYIdentifier *label) :
+        label_(label)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYReturn :
+    CYStatement
+{
+    CYExpression *value_;
+
+    CYReturn(CYExpression *value) :
+        value_(value)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYEmpty :
+    CYStatement
+{
+    virtual void Output(std::ostream &out) const;
+    virtual void Output(std::ostream &out, bool block) const;
+};
+
+struct CYTry :
+    CYStatement
+{
+    CYStatement *try_;
+    CYCatch *catch_;
+    CYStatement *finally_;
+
+    CYTry(CYStatement *_try, CYCatch *_catch, CYStatement *finally) :
+        try_(_try),
+        catch_(_catch),
+        finally_(finally)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYThrow :
+    CYStatement
+{
+    CYExpression *value_;
+
+    CYThrow(CYExpression *value) :
+        value_(value)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYWith :
+    CYStatement
+{
+    CYExpression *scope_;
+    CYStatement *code_;
+
+    CYWith(CYExpression *scope, CYStatement *code) :
+        scope_(scope),
+        code_(code)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYSwitch :
+    CYStatement
+{
+    CYExpression *value_;
+    CYClause *clauses_;
+
+    CYSwitch(CYExpression *value, CYClause *clauses) :
+        value_(value),
+        clauses_(clauses)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYCondition :
+    CYExpression
+{
+    CYExpression *test_;
+    CYExpression *true_;
+    CYExpression *false_;
+
+    CYCondition(CYExpression *test, CYExpression *_true, CYExpression *_false) :
+        test_(test),
+        true_(_true),
+        false_(_false)
+    {
+    }
+
+    CYPrecedence(15)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYAddressOf :
+    CYPrefix
+{
+    CYAddressOf(CYExpression *rhs) :
+        CYPrefix(rhs)
+    {
+    }
+
+    virtual const char *Operator() const {
+        return "&";
+    }
+
+    CYAlphabetic(false)
+    CYPrecedence(2)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYIndirect :
+    CYPrefix
+{
+    CYIndirect(CYExpression *rhs) :
+        CYPrefix(rhs)
+    {
+    }
+
+    virtual const char *Operator() const {
+        return "*";
+    }
+
+    CYAlphabetic(false)
+    CYPrecedence(1)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+#define CYPostfix_(op, name) \
+    struct CY ## name : \
+        CYPostfix \
+    { \
+        CY ## name(CYExpression *lhs) : \
+            CYPostfix(lhs) \
+        { \
+        } \
+    \
+        CYPrecedence(3) \
+    \
+        virtual const char *Operator() const { \
+            return op; \
+        } \
+    };
+
+#define CYPrefix_(alphabetic, op, name) \
+    struct CY ## name : \
+        CYPrefix \
+    { \
+        CY ## name(CYExpression *rhs) : \
+            CYPrefix(rhs) \
+        { \
+        } \
+    \
+        CYAlphabetic(alphabetic) \
+        CYPrecedence(4) \
+    \
+        virtual const char *Operator() const { \
+            return op; \
+        } \
+    };
+
+#define CYInfix_(alphabetic, precedence, op, name) \
+    struct CY ## name : \
+        CYInfix \
+    { \
+        CY ## name(CYExpression *lhs, CYExpression *rhs) : \
+            CYInfix(lhs, rhs) \
+        { \
+        } \
+    \
+        CYAlphabetic(alphabetic) \
+        CYPrecedence(precedence) \
+    \
+        virtual const char *Operator() const { \
+            return op; \
+        } \
+    };
+
+#define CYAssignment_(op, name) \
+    struct CY ## name ## Assign : \
+        CYAssignment \
+    { \
+        CY ## name ## Assign(CYExpression *lhs, CYExpression *rhs) : \
+            CYAssignment(lhs, rhs) \
+        { \
+        } \
+    \
+        CYPrecedence(16) \
+    \
+        virtual const char *Operator() const { \
+            return op; \
+        } \
+    };
+
+CYPostfix_("++", PostIncrement)
+CYPostfix_("--", PostDecrement)
+
+CYPrefix_(true, "delete", Delete)
+CYPrefix_(true, "void", Void)
+CYPrefix_(true, "typeof", TypeOf)
+CYPrefix_(false, "++", PreIncrement)
+CYPrefix_(false, "--", PreDecrement)
+CYPrefix_(false, "-", Negate)
+CYPrefix_(false, "~", BitwiseNot)
+CYPrefix_(false, "!", LogicalNot)
+
+CYInfix_(false, 5, "*", Multiply)
+CYInfix_(false, 5, "/", Divide)
+CYInfix_(false, 5, "%", Modulus)
+CYInfix_(false, 6, "+", Add)
+CYInfix_(false, 6, "-", Subtract)
+CYInfix_(false, 7, "<<", ShiftLeft)
+CYInfix_(false, 7, ">>", ShiftRightSigned)
+CYInfix_(false, 7, ">>>", ShiftRightUnsigned)
+CYInfix_(false, 8, "<", Less)
+CYInfix_(false, 8, ">", Greater)
+CYInfix_(false, 8, "<=", LessOrEqual)
+CYInfix_(false, 8, ">=", GreaterOrEqual)
+CYInfix_(true, 8, "instanceof", InstanceOf)
+CYInfix_(true, 8, "in", In)
+CYInfix_(false, 9, "==", Equal)
+CYInfix_(false, 9, "!=", NotEqual)
+CYInfix_(false, 9, "===", Identical)
+CYInfix_(false, 9, "!==", NotIdentical)
+CYInfix_(false, 10, "&", BitwiseAnd)
+CYInfix_(false, 11, "^", BitwiseXOr)
+CYInfix_(false, 12, "|", BitwiseOr)
+CYInfix_(false, 13, "&&", LogicalAnd)
+CYInfix_(false, 14, "||", LogicalOr)
+
+CYAssignment_("=", )
+CYAssignment_("*=", Multiply)
+CYAssignment_("/=", Divide)
+CYAssignment_("%=", Modulus)
+CYAssignment_("+=", Add)
+CYAssignment_("-=", Subtract)
+CYAssignment_("<<=", ShiftLeft)
+CYAssignment_(">>=", ShiftRightSigned)
+CYAssignment_(">>>=", ShiftRightUnsigned)
+CYAssignment_("&=", BitwiseAnd)
+CYAssignment_("^=", BitwiseXOr)
+CYAssignment_("|=", BitwiseOr)
+
 #endif/*CYPARSER_HPP*/