X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/cf7d4c691503f6711d7e407b2bc30100de19ce2e..6f926cee9d6b259845cd91069cb7c6f488d1eed6:/Parser.hpp?ds=inline

diff --git a/Parser.hpp b/Parser.hpp
index 3fb903a..66bd872 100644
--- a/Parser.hpp
+++ b/Parser.hpp
@@ -1,40 +1,105 @@
+/* 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
 
 #include <cstdlib>
+#include <string>
+#include <vector>
 
-class CYParser {
-  public:
-    void *scanner_;
+#include "location.hh"
+#include "Pooling.hpp"
 
-  private:
-    void ScannerInit();
-    void ScannerDestroy();
+template <typename Type_>
+struct CYNext {
+    Type_ *next_;
 
-  public:
-    CYParser();
-    ~CYParser();
-};
+    CYNext() :
+        next_(NULL)
+    {
+    }
 
-struct CYSource {
-    CYSource *next_;
+    CYNext(Type_ *next) :
+        next_(next)
+    {
+    }
 
-    void SetNext(CYSource *next) {
+    void SetNext(Type_ *next) {
         next_ = next;
     }
 };
 
-struct CYName {
-    virtual const char *Name() const = 0;
+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 bool IsBlock() const {
+        return next_ != NULL;
+    }
+
+    virtual void Show(std::ostream &out) const;
+    virtual void Output(std::ostream &out) const = 0;
+    virtual void Output(std::ostream &out, bool block) const;
+    virtual void Output_(std::ostream &out) const;
 };
 
-struct CYToken {
-    virtual const char *Text() const = 0;
+struct CYPropertyName {
+    virtual void PropertyName(std::ostream &out) const = 0;
+};
+
+struct CYClassName {
+    virtual void ClassName(std::ostream &out, bool object) const = 0;
 };
 
 struct CYWord :
-    virtual CYToken,
-    CYName
+    CYThing,
+    CYPropertyName,
+    CYClassName
 {
     const char *word_;
 
@@ -43,32 +108,33 @@ struct CYWord :
     {
     }
 
-    virtual const char *Text() const {
+    const char *Value() const {
         return word_;
     }
 
-    virtual const char *Name() const {
-        return Text();
-    }
+    virtual void Output(std::ostream &out) const;
+
+    virtual void ClassName(std::ostream &out, bool object) const;
+    virtual void PropertyName(std::ostream &out) const;
 };
 
 struct CYIdentifier :
     CYWord
 {
-    const char *word_;
-
-    virtual const char *Text() const {
-        return word_;
+    CYIdentifier(const char *word) :
+        CYWord(word)
+    {
     }
 };
 
-struct CYLabel {
-    CYIdentifier *identifier_;
-    CYLabel *next_;
+struct CYLabel :
+    CYNext<CYLabel>
+{
+    CYIdentifier *name_;
 
-    CYLabel(CYIdentifier *identifier, CYLabel *next) :
-        identifier_(identifier),
-        next_(next)
+    CYLabel(CYIdentifier *name, CYLabel *next) :
+        CYNext<CYLabel>(next),
+        name_(name)
     {
     }
 };
@@ -76,68 +142,366 @@ struct CYLabel {
 struct CYStatement :
     CYSource
 {
-    CYLabel *label_;
+    CYLabel *labels_;
+
+    CYStatement() :
+        labels_(NULL)
+    {
+    }
 
     void AddLabel(CYIdentifier *identifier) {
-        label_ = new CYLabel(identifier, label_);
+        labels_ = new CYLabel(identifier, labels_);
     }
+
+    virtual void Output_(std::ostream &out) const;
+};
+
+struct CYBlock :
+    CYStatement
+{
+    CYStatement *statements_;
+
+    CYBlock(CYStatement *statements) :
+        statements_(statements)
+    {
+    }
+
+    virtual bool IsBlock() const {
+        return true;
+    }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+enum CYState {
+    CYClear,
+    CYRestricted,
+    CYNewLine
+};
+
+class CYDriver {
+  public:
+    CYPool pool_;
+
+    CYState state_;
+    void *scanner_;
+
+    const char *data_;
+    size_t size_;
+    FILE *file_;
+
+    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:
+    CYDriver(const std::string &filename);
+    ~CYDriver();
+};
+
+enum CYFlags {
+    CYNoFlags =    0,
+    CYNoBrace =    (1 << 0),
+    CYNoFunction = (1 << 1),
+    CYNoLeader =   (1 << 2),
+    CYNoTrailer =  (1 << 3),
+    CYNoIn =       (1 << 4),
+    CYNoHyphen =   (1 << 5),
+    CYNoBF =       (CYNoBrace | CYNoFunction),
 };
 
 struct CYForInitialiser {
+    virtual void For(std::ostream &out) const = 0;
 };
 
 struct CYForInInitialiser {
+    virtual void ForIn(std::ostream &out, CYFlags flags) const = 0;
+    virtual const char *ForEachIn() const = 0;
+    virtual void ForEachIn(std::ostream &out) const = 0;
 };
 
 struct CYExpression :
-    CYStatement,
+    CYNext<CYExpression>,
     CYForInitialiser,
-    CYForInInitialiser
+    CYForInInitialiser,
+    CYClassName
 {
+    virtual unsigned Precedence() const = 0;
+
+    virtual void For(std::ostream &out) const;
+    virtual void ForIn(std::ostream &out, CYFlags flags) const;
+
+    virtual const char *ForEachIn() const;
+    virtual void ForEachIn(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 void ClassName(std::ostream &out, bool object) const;
+
+    virtual const char *Word() const {
+        return NULL;
+    }
+};
+
+#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 CYComprehension :
+    CYNext<CYComprehension>
+{
+    void Output(std::ostream &out) const;
+    virtual const char *Name() const = 0;
+
+    virtual void Begin_(std::ostream &out) const = 0;
+
+    virtual void End_(std::ostream &out) const {
+    }
+};
+
+struct CYForInComprehension :
+    CYComprehension
+{
+    CYIdentifier *name_;
+    CYExpression *set_;
+
+    CYForInComprehension(CYIdentifier *name, CYExpression *set) :
+        name_(name),
+        set_(set)
+    {
+    }
+
+    virtual const char *Name() const {
+        return name_->Value();
+    }
+
+    virtual void Begin_(std::ostream &out) const;
+};
+
+struct CYForEachInComprehension :
+    CYComprehension
+{
+    CYIdentifier *name_;
+    CYExpression *set_;
+
+    CYForEachInComprehension(CYIdentifier *name, CYExpression *set) :
+        name_(name),
+        set_(set)
+    {
+    }
+
+    virtual const char *Name() const {
+        return name_->Value();
+    }
+
+    virtual void Begin_(std::ostream &out) const;
+    virtual void End_(std::ostream &out) const;
+};
+
+struct CYIfComprehension :
+    CYComprehension
+{
+    CYExpression *test_;
+
+    CYIfComprehension(CYExpression *test) :
+        test_(test)
+    {
+    }
+
+    virtual const char *Name() const {
+        return NULL;
+    }
+
+    virtual void Begin_(std::ostream &out) const;
+};
+
+struct CYArrayComprehension :
+    CYExpression
+{
+    CYExpression *expression_;
+    CYComprehension *comprehensions_;
+
+    CYArrayComprehension(CYExpression *expression, CYComprehension *comprehensions) :
+        expression_(expression),
+        comprehensions_(comprehensions)
+    {
+    }
+
+    CYPrecedence(0)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
 struct CYLiteral :
     CYExpression
 {
+    CYPrecedence(0)
+};
+
+struct CYMagic :
+    CYExpression
+{
+    CYPrecedence(0)
 };
 
+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 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
+    CYPropertyName
 {
     const char *value_;
+    size_t size_;
 
-    CYString(const char *value) :
-        value_(value)
+    CYString(const char *value, size_t size) :
+        value_(value),
+        size_(size)
     {
     }
 
     CYString(const CYIdentifier *identifier) :
-        value_(identifier->Text())
+        value_(identifier->Value()),
+        size_(strlen(value_))
     {
     }
 
-    const char *String() const {
+    const char *Value() const {
         return value_;
     }
 
-    virtual const char *Name() const {
-        return String();
+    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;
+    virtual void PropertyName(std::ostream &out) const;
 };
 
 struct CYNumber :
-    virtual CYToken,
     CYLiteral,
-    CYName
+    CYPropertyName
 {
-    double Number() const {
-        throw;
+    double value_;
+
+    CYNumber(double value) :
+        value_(value)
+    {
     }
 
-    virtual const char *Name() const {
-        throw;
+    double Value() const {
+        return value_;
     }
+
+    virtual void Output(std::ostream &out) const {
+        return Output(out, CYNoFlags);
+    }
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void PropertyName(std::ostream &out) const;
 };
 
 struct CYNull :
@@ -148,21 +512,27 @@ struct CYNull :
         CYWord("null")
     {
     }
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
 struct CYThis :
     CYWord,
-    CYExpression
+    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 :
@@ -173,6 +543,8 @@ struct CYFalse :
         CYWord("false")
     {
     }
+
+    virtual bool Value() const;
 };
 
 struct CYTrue :
@@ -183,6 +555,8 @@ struct CYTrue :
         CYWord("true")
     {
     }
+
+    virtual bool Value() const;
 };
 
 struct CYVariable :
@@ -194,6 +568,10 @@ struct CYVariable :
         name_(name)
     {
     }
+
+    CYPrecedence(0)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
 struct CYPrefix :
@@ -205,6 +583,11 @@ struct CYPrefix :
         rhs_(rhs)
     {
     }
+
+    virtual bool Alphabetic() const = 0;
+    virtual const char *Operator() const = 0;
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
 struct CYInfix :
@@ -218,6 +601,15 @@ struct CYInfix :
         rhs_(rhs)
     {
     }
+
+    void SetLeft(CYExpression *lhs) {
+        lhs_ = lhs;
+    }
+
+    virtual bool Alphabetic() const = 0;
+    virtual const char *Operator() const = 0;
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
 struct CYPostfix :
@@ -229,28 +621,47 @@ struct CYPostfix :
         lhs_(lhs)
     {
     }
+
+    virtual const char *Operator() const = 0;
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
 struct CYAssignment :
-    CYInfix
+    CYExpression
 {
+    CYExpression *lhs_;
+    CYExpression *rhs_;
+
     CYAssignment(CYExpression *lhs, CYExpression *rhs) :
-        CYInfix(lhs, rhs)
+        lhs_(lhs),
+        rhs_(rhs)
     {
     }
+
+    void SetLeft(CYExpression *lhs) {
+        lhs_ = lhs;
+    }
+
+    virtual const char *Operator() const = 0;
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
-struct CYArgument {
+struct CYArgument :
+    CYNext<CYArgument>
+{
     CYWord *name_;
     CYExpression *value_;
-    CYArgument *next_;
 
     CYArgument(CYWord *name, CYExpression *value, CYArgument *next = NULL) :
+        CYNext<CYArgument>(next),
         name_(name),
-        value_(value),
-        next_(next)
+        value_(value)
     {
     }
+
+    void Output(std::ostream &out) const;
 };
 
 struct CYBlank :
@@ -262,10 +673,12 @@ struct CYBlank :
     }
 };
 
-struct CYClause {
+struct CYClause :
+    CYThing,
+    CYNext<CYClause>
+{
     CYExpression *case_;
     CYStatement *code_;
-    CYClause *next_;
 
     CYClause(CYExpression *_case, CYStatement *code) :
         case_(_case),
@@ -273,22 +686,34 @@ struct CYClause {
     {
     }
 
-    void SetNext(CYClause *next) {
-        next_ = next;
-    }
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYElement :
-    CYLiteral
+    CYNext<CYElement>
 {
     CYExpression *value_;
-    CYElement *next_;
 
     CYElement(CYExpression *value, CYElement *next) :
-        value_(value),
-        next_(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 :
@@ -302,31 +727,150 @@ struct CYDeclaration :
         initialiser_(initialiser)
     {
     }
+
+    virtual void ForIn(std::ostream &out, CYFlags flags) const;
+
+    virtual const char *ForEachIn() const;
+    virtual void ForEachIn(std::ostream &out) const;
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
 struct CYDeclarations :
-    CYStatement,
+    CYNext<CYDeclarations>,
     CYForInitialiser
 {
     CYDeclaration *declaration_;
-    CYDeclarations *next_;
 
     CYDeclarations(CYDeclaration *declaration, CYDeclarations *next) :
-        declaration_(declaration),
-        next_(next)
+        CYNext<CYDeclarations>(next),
+        declaration_(declaration)
+    {
+    }
+
+    virtual void For(std::ostream &out) const;
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYVar :
+    CYStatement
+{
+    CYDeclarations *declarations_;
+
+    CYVar(CYDeclarations *declarations) :
+        declarations_(declarations)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
-struct CYParameter {
+struct CYLet :
+    CYStatement
+{
+    CYDeclarations *declarations_;
+    CYStatement *statements_;
+
+    CYLet(CYDeclarations *declarations, CYStatement *statements) :
+        declarations_(declarations),
+        statements_(statements)
+    {
+    }
+
+    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_;
-    CYParameter *next_;
 
-    CYParameter(CYIdentifier *name, CYParameter *next) :
+    CYMessageParameter(CYWord *tag, CYExpression *type, CYIdentifier *name) :
+        tag_(tag),
+        type_(type),
+        name_(name)
+    {
+    }
+};
+
+struct CYMessage :
+    CYNext<CYMessage>
+{
+    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, bool replace) const;
+};
+
+struct CYClass :
+    CYExpression,
+    CYStatement
+{
+    CYClassName *name_;
+    CYExpression *super_;
+    CYField *fields_;
+    CYMessage *messages_;
+
+    CYClass(CYClassName *name, CYExpression *super, CYField *fields, CYMessage *messages) :
         name_(name),
-        next_(next)
+        super_(super),
+        fields_(fields),
+        messages_(messages)
     {
     }
+
+    CYPrecedence(0)
+
+    virtual void Output(std::ostream &out) const;
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYCategory :
+    CYStatement
+{
+    CYClassName *name_;
+    CYMessage *messages_;
+
+    CYCategory(CYClassName *name, CYMessage *messages) :
+        name_(name),
+        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 :
@@ -344,6 +888,8 @@ struct CYFor :
         code_(code)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYForIn :
@@ -359,24 +905,59 @@ struct CYForIn :
         code_(code)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
+};
+
+struct CYForEachIn :
+    CYStatement
+{
+    CYForInInitialiser *initialiser_;
+    CYExpression *set_;
+    CYStatement *code_;
+
+    CYForEachIn(CYForInInitialiser *initialiser, CYExpression *set, CYStatement *code) :
+        initialiser_(initialiser),
+        set_(set),
+        code_(code)
+    {
+    }
+
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYProperty :
-    CYLiteral
+    CYNext<CYProperty>
 {
-    CYName *name_;
+    CYPropertyName *name_;
     CYExpression *value_;
-    CYProperty *next_;
 
-    CYProperty(CYName *name, CYExpression *value, CYProperty *next) :
+    CYProperty(CYPropertyName *name, CYExpression *value, CYProperty *next) :
+        CYNext<CYProperty>(next),
         name_(name),
-        value_(value),
-        next_(next)
+        value_(value)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
-struct CYCatch {
+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_;
 
@@ -385,19 +966,25 @@ struct CYCatch {
         code_(code)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
-struct CYMessage :
+struct CYSend :
     CYExpression
 {
     CYExpression *self_;
     CYArgument *arguments_;
 
-    CYMessage(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 :
@@ -411,6 +998,36 @@ struct CYMember :
         property_(property)
     {
     }
+
+    void SetLeft(CYExpression *object) {
+        object_ = object;
+    }
+};
+
+struct CYDirectMember :
+    CYMember
+{
+    CYDirectMember(CYExpression *object, CYExpression *property) :
+        CYMember(object, property)
+    {
+    }
+
+    CYPrecedence(1)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
+};
+
+struct CYIndirectMember :
+    CYMember
+{
+    CYIndirectMember(CYExpression *object, CYExpression *property) :
+        CYMember(object, property)
+    {
+    }
+
+    CYPrecedence(1)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
 struct CYNew :
@@ -424,6 +1041,10 @@ struct CYNew :
         arguments_(arguments)
     {
     }
+
+    CYPrecedence(1)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
 struct CYCall :
@@ -437,6 +1058,10 @@ struct CYCall :
         arguments_(arguments)
     {
     }
+
+    CYPrecedence(2)
+
+    virtual void Output(std::ostream &out, CYFlags flags) const;
 };
 
 struct CYIf :
@@ -452,6 +1077,8 @@ struct CYIf :
         false_(_false)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYDoWhile :
@@ -465,6 +1092,8 @@ struct CYDoWhile :
         code_(code)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYWhile :
@@ -478,30 +1107,52 @@ struct CYWhile :
         code_(code)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYLambda :
     CYExpression
 {
     CYIdentifier *name_;
-    CYParameter *parameters_;
+    CYFunctionParameter *parameters_;
     CYSource *body_;
 
-    CYLambda(CYIdentifier *name, CYParameter *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
+    CYLambda,
+    CYSource
 {
-    CYFunction(CYIdentifier *name, CYParameter *parameters, CYSource *body) :
+    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 :
@@ -513,6 +1164,8 @@ struct CYContinue :
         label_(label)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYBreak :
@@ -524,6 +1177,8 @@ struct CYBreak :
         label_(label)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYReturn :
@@ -535,11 +1190,15 @@ struct CYReturn :
         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 :
@@ -555,6 +1214,8 @@ struct CYTry :
         finally_(finally)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYThrow :
@@ -566,6 +1227,8 @@ struct CYThrow :
         value_(value)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYWith :
@@ -579,6 +1242,8 @@ struct CYWith :
         code_(code)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYSwitch :
@@ -592,6 +1257,8 @@ struct CYSwitch :
         clauses_(clauses)
     {
     }
+
+    virtual void Output(std::ostream &out) const;
 };
 
 struct CYCondition :
@@ -602,10 +1269,51 @@ struct CYCondition :
     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) \
@@ -616,9 +1324,15 @@ struct CYCondition :
             CYPostfix(lhs) \
         { \
         } \
+    \
+        CYPrecedence(3) \
+    \
+        virtual const char *Operator() const { \
+            return op; \
+        } \
     };
 
-#define CYPrefix_(op, name) \
+#define CYPrefix_(alphabetic, op, name) \
     struct CY ## name : \
         CYPrefix \
     { \
@@ -626,9 +1340,16 @@ struct CYCondition :
             CYPrefix(rhs) \
         { \
         } \
+    \
+        CYAlphabetic(alphabetic) \
+        CYPrecedence(4) \
+    \
+        virtual const char *Operator() const { \
+            return op; \
+        } \
     };
 
-#define CYInfix_(op, name) \
+#define CYInfix_(alphabetic, precedence, op, name) \
     struct CY ## name : \
         CYInfix \
     { \
@@ -636,6 +1357,13 @@ struct CYCondition :
             CYInfix(lhs, rhs) \
         { \
         } \
+    \
+        CYAlphabetic(alphabetic) \
+        CYPrecedence(precedence) \
+    \
+        virtual const char *Operator() const { \
+            return op; \
+        } \
     };
 
 #define CYAssignment_(op, name) \
@@ -646,45 +1374,49 @@ struct CYCondition :
             CYAssignment(lhs, rhs) \
         { \
         } \
+    \
+        CYPrecedence(16) \
+    \
+        virtual const char *Operator() const { \
+            return op; \
+        } \
     };
 
 CYPostfix_("++", PostIncrement)
 CYPostfix_("--", PostDecrement)
 
-CYPrefix_("delete", Delete)
-CYPrefix_("void", Void)
-CYPrefix_("typeof", TypeOf)
-CYPrefix_("++", PreIncrement)
-CYPrefix_("--", PreDecrement)
-CYPrefix_("-", Negate)
-CYPrefix_("~", BitwiseNot)
-CYPrefix_("!", LogicalNot)
-CYPrefix_("*", Indirect)
-CYPrefix_("&", AddressOf)
-
-CYInfix_("*", Multiply)
-CYInfix_("/", Divide)
-CYInfix_("%", Modulus)
-CYInfix_("+", Add)
-CYInfix_("-", Subtract)
-CYInfix_("<<", ShiftLeft)
-CYInfix_(">>", ShiftRightSigned)
-CYInfix_(">>>", ShiftRightUnsigned)
-CYInfix_("<", Less)
-CYInfix_(">", Greater)
-CYInfix_("<=", LessOrEqual)
-CYInfix_(">=", GreaterOrEqual)
-CYInfix_("instanceof", InstanceOf)
-CYInfix_("in", In)
-CYInfix_("==", Equal)
-CYInfix_("!=", NotEqual)
-CYInfix_("===", Identical)
-CYInfix_("!==", NotIdentical)
-CYInfix_("&", BitwiseAnd)
-CYInfix_("^", BitwiseXOr)
-CYInfix_("|", BitwiseOr)
-CYInfix_("&&", LogicalAnd)
-CYInfix_("||", LogicalOr)
+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)