Implemented support for regular expression literals, moved %debug to -DYYDEBUG in...

[cycript.git] / Parser.hpp

diff --git a/Parser.hpp b/Parser.hpp
index 8e6a59d5e8acd1840b0b4caf8be00e7633e8a124..f8b8b6ef0179322dd2e82dae2048fdac2db929f9 100644 (file)
--- a/Parser.hpp
+++ b/Parser.hpp
@@ -67,28 +67,52 @@ struct CYNext {
 };
 
 struct CYThing {
-    virtual void Output(std::ostream &out) const = 0;
+    virtual void Output(struct CYOutput &out) const = 0;
 };
 
-_finline std::ostream &operator <<(std::ostream &out, const CYThing &rhs) {
-    rhs.Output(out);
-    return out;
-}
+struct CYOutput {
+    std::ostream &out_;
+
+    CYOutput(std::ostream &out) :
+        out_(out)
+    {
+    }
+
+    _finline CYOutput &operator <<(char rhs) {
+        out_ << rhs;
+        return *this;
+    }
+
+    _finline CYOutput &operator <<(const char *rhs) {
+        out_ << rhs;
+        return *this;
+    }
+
+    _finline CYOutput &operator <<(const CYThing &rhs) {
+        rhs.Output(*this);
+        return *this;
+    }
+};
 
 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;
+    virtual bool IsBlock() const {
+        return next_ != NULL;
+    }
+
+    virtual void Show(CYOutput &out) const;
+    virtual void Output(CYOutput &out) const = 0;
+    virtual void Output(CYOutput &out, bool block) const;
+    virtual void Output_(CYOutput &out) const;
 };
 
 struct CYPropertyName {
-    virtual void PropertyName(std::ostream &out) const = 0;
+    virtual void PropertyName(CYOutput &out) const = 0;
 };
 
 struct CYClassName {
-    virtual void ClassName(std::ostream &out) const = 0;
+    virtual void ClassName(CYOutput &out, bool object) const = 0;
 };
 
 struct CYWord :
@@ -107,12 +131,16 @@ struct CYWord :
         return word_;
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 
-    virtual void ClassName(std::ostream &out) const;
-    virtual void PropertyName(std::ostream &out) const;
+    virtual void ClassName(CYOutput &out, bool object) const;
+    virtual void PropertyName(CYOutput &out) const;
 };
 
+_finline std::ostream &operator <<(std::ostream &lhs, const CYWord &rhs) {
+    return lhs << rhs.Value();
+}
+
 struct CYIdentifier :
     CYWord
 {
@@ -125,11 +153,11 @@ struct CYIdentifier :
 struct CYLabel :
     CYNext<CYLabel>
 {
-    CYIdentifier *identifier_;
+    CYIdentifier *name_;
 
-    CYLabel(CYIdentifier *identifier, CYLabel *next) :
+    CYLabel(CYIdentifier *name, CYLabel *next) :
         CYNext<CYLabel>(next),
-        identifier_(identifier)
+        name_(name)
     {
     }
 };
@@ -137,11 +165,35 @@ 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_(CYOutput &out) const;
+};
+
+struct CYBlock :
+    CYStatement
+{
+    CYStatement *statements_;
+
+    CYBlock(CYStatement *statements) :
+        statements_(statements)
+    {
+    }
+
+    virtual bool IsBlock() const {
+        return true;
+    }
+
+    virtual void Output(CYOutput &out) const;
 };
 
 enum CYState {
@@ -161,6 +213,11 @@ class CYDriver {
     size_t size_;
     FILE *file_;
 
+    enum Condition {
+        RegExStart,
+        RegExRest
+    };
+
     std::string filename_;
 
     struct Error {
@@ -180,20 +237,8 @@ class CYDriver {
   public:
     CYDriver(const std::string &filename);
     ~CYDriver();
-};
-
-struct CYPart {
-    virtual void Part(std::ostream &out) const = 0;
-};
-
-struct CYForInitialiser :
-    CYPart
-{
-};
 
-struct CYForInInitialiser :
-    CYPart
-{
+    void SetCondition(Condition condition);
 };
 
 enum CYFlags {
@@ -204,6 +249,17 @@ enum CYFlags {
     CYNoTrailer =  (1 << 3),
     CYNoIn =       (1 << 4),
     CYNoHyphen =   (1 << 5),
+    CYNoBF =       (CYNoBrace | CYNoFunction),
+};
+
+struct CYForInitialiser {
+    virtual void For(CYOutput &out) const = 0;
+};
+
+struct CYForInInitialiser {
+    virtual void ForIn(CYOutput &out, CYFlags flags) const = 0;
+    virtual const char *ForEachIn() const = 0;
+    virtual void ForEachIn(CYOutput &out) const = 0;
 };
 
 struct CYExpression :
@@ -213,11 +269,17 @@ struct CYExpression :
     CYClassName
 {
     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 void ClassName(std::ostream &out) const;
+    virtual void For(CYOutput &out) const;
+    virtual void ForIn(CYOutput &out, CYFlags flags) const;
+
+    virtual const char *ForEachIn() const;
+    virtual void ForEachIn(CYOutput &out) const;
+
+    virtual void Output(CYOutput &out, CYFlags flags) const = 0;
+    void Output(CYOutput &out, unsigned precedence, CYFlags flags) const;
+
+    virtual void ClassName(CYOutput &out, bool object) const;
 
     virtual const char *Word() const {
         return NULL;
@@ -254,7 +316,92 @@ struct CYCompound :
 
     CYPrecedence(17)
 
-    void Output(std::ostream &out, CYFlags flags) const;
+    void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYComprehension :
+    CYNext<CYComprehension>
+{
+    void Output(CYOutput &out) const;
+    virtual const char *Name() const = 0;
+
+    virtual void Begin_(CYOutput &out) const = 0;
+
+    virtual void End_(CYOutput &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_(CYOutput &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_(CYOutput &out) const;
+    virtual void End_(CYOutput &out) const;
+};
+
+struct CYIfComprehension :
+    CYComprehension
+{
+    CYExpression *test_;
+
+    CYIfComprehension(CYExpression *test) :
+        test_(test)
+    {
+    }
+
+    virtual const char *Name() const {
+        return NULL;
+    }
+
+    virtual void Begin_(CYOutput &out) const;
+};
+
+struct CYArrayComprehension :
+    CYExpression
+{
+    CYExpression *expression_;
+    CYComprehension *comprehensions_;
+
+    CYArrayComprehension(CYExpression *expression, CYComprehension *comprehensions) :
+        expression_(expression),
+        comprehensions_(comprehensions)
+    {
+    }
+
+    CYPrecedence(0)
+
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYLiteral :
@@ -282,7 +429,7 @@ struct CYSelectorPart :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYSelector :
@@ -297,7 +444,7 @@ struct CYSelector :
 
     CYPrecedence(1)
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYRange {
@@ -356,12 +503,12 @@ struct CYString :
         return Value();
     }
 
-    virtual void Output(std::ostream &out) const {
+    virtual void Output(CYOutput &out) const {
         return Output(out, CYNoFlags);
     }
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
-    virtual void PropertyName(std::ostream &out) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
+    virtual void PropertyName(CYOutput &out) const;
 };
 
 struct CYNumber :
@@ -379,12 +526,29 @@ struct CYNumber :
         return value_;
     }
 
-    virtual void Output(std::ostream &out) const {
+    virtual void Output(CYOutput &out) const {
         return Output(out, CYNoFlags);
     }
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
-    virtual void PropertyName(std::ostream &out) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
+    virtual void PropertyName(CYOutput &out) const;
+};
+
+struct CYRegEx :
+    CYLiteral
+{
+    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 :
@@ -396,7 +560,7 @@ struct CYNull :
     {
     }
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYThis :
@@ -408,14 +572,14 @@ struct CYThis :
     {
     }
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYBoolean :
     CYLiteral
 {
     virtual bool Value() const = 0;
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYFalse :
@@ -454,7 +618,7 @@ struct CYVariable :
 
     CYPrecedence(0)
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYPrefix :
@@ -470,7 +634,7 @@ struct CYPrefix :
     virtual bool Alphabetic() const = 0;
     virtual const char *Operator() const = 0;
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYInfix :
@@ -492,7 +656,7 @@ struct CYInfix :
     virtual bool Alphabetic() const = 0;
     virtual const char *Operator() const = 0;
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYPostfix :
@@ -507,7 +671,7 @@ struct CYPostfix :
 
     virtual const char *Operator() const = 0;
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYAssignment :
@@ -528,7 +692,7 @@ struct CYAssignment :
 
     virtual const char *Operator() const = 0;
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYArgument :
@@ -544,7 +708,7 @@ struct CYArgument :
     {
     }
 
-    void Output(std::ostream &out) const;
+    void Output(CYOutput &out) const;
 };
 
 struct CYBlank :
@@ -569,7 +733,7 @@ struct CYClause :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYElement :
@@ -583,7 +747,7 @@ struct CYElement :
     {
     }
 
-    void Output(std::ostream &out) const;
+    void Output(CYOutput &out) const;
 };
 
 struct CYArray :
@@ -596,11 +760,10 @@ struct CYArray :
     {
     }
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYDeclaration :
-    CYThing,
     CYForInInitialiser
 {
     CYIdentifier *identifier_;
@@ -612,31 +775,62 @@ struct CYDeclaration :
     {
     }
 
-    virtual void Part(std::ostream &out) const;
-    virtual void Output(std::ostream &out) const;
+    virtual void ForIn(CYOutput &out, CYFlags flags) const;
+
+    virtual const char *ForEachIn() const;
+    virtual void ForEachIn(CYOutput &out) const;
+
+    virtual void Output(CYOutput &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(CYOutput &out) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYVar :
+    CYStatement
+{
+    CYDeclarations *declarations_;
+
+    CYVar(CYDeclarations *declarations) :
+        declarations_(declarations)
+    {
+    }
+
+    virtual void Output(CYOutput &out) const;
+};
+
+struct CYLet :
+    CYStatement
+{
+    CYDeclarations *declarations_;
+    CYStatement *statements_;
+
+    CYLet(CYDeclarations *declarations, CYStatement *statements) :
+        declarations_(declarations),
+        statements_(statements)
     {
     }
 
-    virtual void Part(std::ostream &out) const;
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYField :
     CYNext<CYField>
 {
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYMessageParameter :
@@ -670,18 +864,19 @@ struct CYMessage :
     {
     }
 
-    virtual void Output(std::ostream &out, bool replace) const;
+    virtual void Output(CYOutput &out, bool replace) const;
 };
 
 struct CYClass :
-    CYSource
+    CYExpression,
+    CYStatement
 {
-    CYIdentifier *name_;
+    CYClassName *name_;
     CYExpression *super_;
     CYField *fields_;
     CYMessage *messages_;
 
-    CYClass(CYIdentifier *name, CYExpression *super, CYField *fields, CYMessage *messages) :
+    CYClass(CYClassName *name, CYExpression *super, CYField *fields, CYMessage *messages) :
         name_(name),
         super_(super),
         fields_(fields),
@@ -689,11 +884,14 @@ struct CYClass :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    CYPrecedence(0)
+
+    virtual void Output(CYOutput &out) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYCategory :
-    CYSource
+    CYStatement
 {
     CYClassName *name_;
     CYMessage *messages_;
@@ -704,7 +902,7 @@ struct CYCategory :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYFunctionParameter :
@@ -719,7 +917,7 @@ struct CYFunctionParameter :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYFor :
@@ -738,7 +936,7 @@ struct CYFor :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYForIn :
@@ -755,7 +953,24 @@ struct CYForIn :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &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(CYOutput &out) const;
 };
 
 struct CYProperty :
@@ -771,7 +986,7 @@ struct CYProperty :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYObject :
@@ -784,7 +999,7 @@ struct CYObject :
     {
     }
 
-    void Output(std::ostream &out, CYFlags flags) const;
+    void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYCatch :
@@ -799,7 +1014,7 @@ struct CYCatch :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYSend :
@@ -816,7 +1031,7 @@ struct CYSend :
 
     CYPrecedence(0)
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYMember :
@@ -846,7 +1061,7 @@ struct CYDirectMember :
 
     CYPrecedence(1)
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYIndirectMember :
@@ -859,7 +1074,7 @@ struct CYIndirectMember :
 
     CYPrecedence(1)
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYNew :
@@ -876,7 +1091,7 @@ struct CYNew :
 
     CYPrecedence(1)
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYCall :
@@ -893,7 +1108,7 @@ struct CYCall :
 
     CYPrecedence(2)
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYIf :
@@ -910,7 +1125,7 @@ struct CYIf :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYDoWhile :
@@ -925,7 +1140,7 @@ struct CYDoWhile :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYWhile :
@@ -940,7 +1155,7 @@ struct CYWhile :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYLambda :
@@ -959,7 +1174,7 @@ struct CYLambda :
 
     CYPrecedence(0)
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYFunction :
@@ -971,7 +1186,7 @@ struct CYFunction :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYExpress :
@@ -984,7 +1199,7 @@ struct CYExpress :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYContinue :
@@ -997,7 +1212,7 @@ struct CYContinue :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYBreak :
@@ -1010,7 +1225,7 @@ struct CYBreak :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYReturn :
@@ -1023,14 +1238,14 @@ struct CYReturn :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYEmpty :
     CYStatement
 {
-    virtual void Output(std::ostream &out) const;
-    virtual void Output(std::ostream &out, bool block) const;
+    virtual void Output(CYOutput &out) const;
+    virtual void Output(CYOutput &out, bool block) const;
 };
 
 struct CYTry :
@@ -1047,7 +1262,7 @@ struct CYTry :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYThrow :
@@ -1060,7 +1275,7 @@ struct CYThrow :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYWith :
@@ -1075,7 +1290,7 @@ struct CYWith :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYSwitch :
@@ -1090,7 +1305,7 @@ struct CYSwitch :
     {
     }
 
-    virtual void Output(std::ostream &out) const;
+    virtual void Output(CYOutput &out) const;
 };
 
 struct CYCondition :
@@ -1109,7 +1324,7 @@ struct CYCondition :
 
     CYPrecedence(15)
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYAddressOf :
@@ -1127,7 +1342,7 @@ struct CYAddressOf :
     CYAlphabetic(false)
     CYPrecedence(2)
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 struct CYIndirect :
@@ -1145,7 +1360,7 @@ struct CYIndirect :
     CYAlphabetic(false)
     CYPrecedence(1)
 
-    virtual void Output(std::ostream &out, CYFlags flags) const;
+    virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
 #define CYPostfix_(op, name) \