Simplify Block, Compound, and (new) Parenthetical.

[cycript.git] / Parser.hpp

diff --git a/Parser.hpp b/Parser.hpp
index 01a510fdd9a89e8f556e62d978a4f9e59550547e..8bd7cdc6f26fbae55e9c024b0d45ae30cee9247b 100644 (file)
--- a/Parser.hpp
+++ b/Parser.hpp
@@ -146,13 +146,15 @@ _finline CYFlags CYCenter(CYFlags flags) {
 }
 
 struct CYStatement :
 }
 
 struct CYStatement :

-    CYNext<CYStatement>
+    CYNext<CYStatement>,
+    CYThing

 {
     virtual ~CYStatement() {
     }
 
     void Single(CYOutput &out, CYFlags flags) const;
     void Multiple(CYOutput &out, CYFlags flags = CYNoFlags) const;
 {
     virtual ~CYStatement() {
     }
 
     void Single(CYOutput &out, CYFlags flags) const;
     void Multiple(CYOutput &out, CYFlags flags = CYNoFlags) const;

+    virtual void Output(CYOutput &out) const;

 
     virtual CYStatement *Replace(CYContext &context) = 0;
 
 
     virtual CYStatement *Replace(CYContext &context) = 0;
 


@@ -313,33 +315,26 @@ typedef std::vector<CYIdentifierUsage> CYIdentifierUsageVector;
 
 struct CYScope {
     bool transparent_;
 
 struct CYScope {
     bool transparent_;

-
-    CYContext &context_;
-    CYStatement *&statements_;
-

     CYScope *parent_;
 
     CYIdentifierAddressFlagsMap internal_;
     CYIdentifierValueSet identifiers_;
 
     CYScope *parent_;
 
     CYIdentifierAddressFlagsMap internal_;
     CYIdentifierValueSet identifiers_;
 

-    CYScope(bool transparent, CYContext &context, CYStatement *&statements);
-    virtual ~CYScope();
-
-    void Close();
+    CYScope(bool transparent, CYContext &context);

 
     void Declare(CYContext &context, CYIdentifier *identifier, CYIdentifierFlags flags);
     virtual CYIdentifier *Lookup(CYContext &context, CYIdentifier *identifier);
     void Merge(CYContext &context, CYIdentifier *identifier);
 
     void Declare(CYContext &context, CYIdentifier *identifier, CYIdentifierFlags flags);
     virtual CYIdentifier *Lookup(CYContext &context, CYIdentifier *identifier);
     void Merge(CYContext &context, CYIdentifier *identifier);

-    void Scope(CYContext &context, CYStatement *&statements);
+    void Close(CYContext &context, CYStatement *&statements);

 };
 
 struct CYProgram :
     CYThing
 {
 };
 
 struct CYProgram :
     CYThing
 {

-    CYStatement *statements_;
+    CYStatement *code_;

 
 

-    CYProgram(CYStatement *statements) :
-        statements_(statements)
+    CYProgram(CYStatement *code) :
+        code_(code)

     {
     }
 
     {
     }
 


@@ -375,14 +370,18 @@ struct CYContext {
     virtual ~CYContext() {
     }
 
     virtual ~CYContext() {
     }
 

-    template <typename Type_>
-    void ReplaceAll(Type_ *&values) {
-        Type_ **last(&values);
-        CYForEach (next, values) {
-            Replace(*last = next);
-            if (*last != NULL)
-                last = &(*last)->next_;
-        }
+    void ReplaceAll(CYStatement *&statement) {
+        if (statement == NULL)
+            return;
+        CYStatement *next(statement->next_);
+
+        Replace(statement);
+        ReplaceAll(next);
+
+        if (statement == NULL)
+            statement = next;
+        else
+            statement->SetNext(next);

     }
 
     template <typename Type_>
     }
 
     template <typename Type_>


@@ -436,28 +435,17 @@ struct CYThisScope :
 };
 
 struct CYBlock :
 };
 
 struct CYBlock :

-    CYStatement,
-    CYThing
+    CYStatement

 {
 {

-    CYStatement *statements_;
+    CYStatement *code_;

 
 

-    CYBlock(CYStatement *statements) :
-        statements_(statements)
+    CYBlock(CYStatement *code) :
+        code_(code)

     {
     }
 
     {
     }
 

-    operator CYStatement *() const {
-        return statements_;
-    }
-
-    void AddPrev(CYStatement *statement) {
-        CYSetLast(statement) = statements_;
-        statements_ = statement;
-    }
-

     virtual CYStatement *Replace(CYContext &context);
 
     virtual CYStatement *Replace(CYContext &context);
 

-    virtual void Output(CYOutput &out) const;

     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 


@@ -482,6 +470,8 @@ struct CYForInInitialiser {
     virtual void Output(CYOutput &out, CYFlags flags) const = 0;
 };
 
     virtual void Output(CYOutput &out, CYFlags flags) const = 0;
 };
 

+struct CYFunctionParameter;
+

 struct CYNumber;
 struct CYString;
 
 struct CYNumber;
 struct CYString;
 


@@ -516,6 +506,8 @@ struct CYExpression :
         return NULL;
     }
 
         return NULL;
     }
 

+    virtual CYFunctionParameter *Parameter() const;
+

     virtual CYNumber *Number(CYContext &context) {
         return NULL;
     }
     virtual CYNumber *Number(CYContext &context) {
         return NULL;
     }


@@ -551,13 +543,12 @@ struct CYCompound :
     CYExpression *expression_;
     CYExpression *next_;
 
     CYExpression *expression_;
     CYExpression *next_;
 

-    CYCompound(CYExpression *expression, CYExpression *next = NULL) :
+    CYCompound(CYExpression *expression, CYExpression *next) :

         expression_(expression),
         next_(next)
     {
         expression_(expression),
         next_(next)
     {

-        if (expression_ == NULL)
-            throw;

         _assert(expression_ != NULL);
         _assert(expression_ != NULL);

+        _assert(next != NULL);

     }
 
     CYPrecedence(17)
     }
 
     CYPrecedence(17)


@@ -565,7 +556,23 @@ struct CYCompound :
     virtual CYExpression *Replace(CYContext &context);
     void Output(CYOutput &out, CYFlags flags) const;
 
     virtual CYExpression *Replace(CYContext &context);
     void Output(CYOutput &out, CYFlags flags) const;
 

-    virtual CYExpression *Primitive(CYContext &context);
+    virtual CYFunctionParameter *Parameter() const;
+};
+
+struct CYParenthetical :
+    CYExpression
+{
+    CYExpression *expression_;
+
+    CYParenthetical(CYExpression *expression) :
+        expression_(expression)
+    {
+    }
+
+    CYPrecedence(0)
+
+    virtual CYExpression *Replace(CYContext &context);
+    void Output(CYOutput &out, CYFlags flags) const;

 };
 
 struct CYDeclaration;
 };
 
 struct CYDeclaration;


@@ -582,7 +589,7 @@ struct CYFunctionParameter :
     {
     }
 
     {
     }
 

-    void Replace(CYContext &context, CYBlock &code);
+    void Replace(CYContext &context, CYStatement *&statements);

     void Output(CYOutput &out) const;
 };
 
     void Output(CYOutput &out) const;
 };
 


@@ -911,6 +918,8 @@ struct CYVariable :
 
     virtual CYExpression *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 
     virtual CYExpression *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;

+
+    virtual CYFunctionParameter *Parameter() const;

 };
 
 struct CYPrefix :
 };
 
 struct CYPrefix :


@@ -1036,11 +1045,11 @@ struct CYClause :
     CYNext<CYClause>
 {
     CYExpression *case_;
     CYNext<CYClause>
 {
     CYExpression *case_;

-    CYStatement *statements_;
+    CYStatement *code_;

 
 

-    CYClause(CYExpression *_case, CYStatement *statements) :
+    CYClause(CYExpression *_case, CYStatement *code) :

         case_(_case),
         case_(_case),

-        statements_(statements)
+        code_(code)

     {
     }
 
     {
     }
 


@@ -1133,7 +1142,7 @@ struct CYDeclarations :
 
     void Replace(CYContext &context);
 
 
     void Replace(CYContext &context);
 

-    CYCompound *Compound(CYContext &context);
+    CYExpression *Expression(CYContext &context);

     CYProperty *Property(CYContext &context);
     CYArgument *Argument(CYContext &context);
     CYFunctionParameter *Parameter(CYContext &context);
     CYProperty *Property(CYContext &context);
     CYArgument *Argument(CYContext &context);
     CYFunctionParameter *Parameter(CYContext &context);


@@ -1152,7 +1161,7 @@ struct CYForDeclarations :
     {
     }
 
     {
     }
 

-    virtual CYCompound *Replace(CYContext &context);
+    virtual CYExpression *Replace(CYContext &context);

     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
 


@@ -1428,15 +1437,15 @@ struct CYWhile :
 struct CYFunction {
     CYIdentifier *name_;
     CYFunctionParameter *parameters_;
 struct CYFunction {
     CYIdentifier *name_;
     CYFunctionParameter *parameters_;

-    CYBlock code_;
+    CYStatement *code_;

 
     CYNonLocal *nonlocal_;
     CYThisScope this_;
 
 
     CYNonLocal *nonlocal_;
     CYThisScope this_;
 

-    CYFunction(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *statements) :
+    CYFunction(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *code) :

         name_(name),
         parameters_(parameters),
         name_(name),
         parameters_(parameters),

-        code_(statements),
+        code_(code),

         nonlocal_(NULL)
     {
     }
         nonlocal_(NULL)
     {
     }


@@ -1454,8 +1463,8 @@ struct CYFunctionExpression :
     CYFunction,
     CYExpression
 {
     CYFunction,
     CYExpression
 {

-    CYFunctionExpression(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *statements) :
-        CYFunction(name, parameters, statements)
+    CYFunctionExpression(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *code) :
+        CYFunction(name, parameters, code)

     {
     }
 
     {
     }
 


@@ -1471,8 +1480,8 @@ struct CYFatArrow :
     CYFunction,
     CYExpression
 {
     CYFunction,
     CYExpression
 {

-    CYFatArrow(CYFunctionParameter *parameters, CYStatement *statements) :
-        CYFunction(NULL, parameters, statements)
+    CYFatArrow(CYFunctionParameter *parameters, CYStatement *code) :
+        CYFunction(NULL, parameters, code)

     {
     }
 
     {
     }
 


@@ -1487,8 +1496,8 @@ struct CYFatArrow :
 struct CYRubyProc :
     CYFunctionExpression
 {
 struct CYRubyProc :
     CYFunctionExpression
 {

-    CYRubyProc(CYFunctionParameter *parameters, CYStatement *statements) :
-        CYFunctionExpression(NULL, parameters, statements)
+    CYRubyProc(CYFunctionParameter *parameters, CYStatement *code) :
+        CYFunctionExpression(NULL, parameters, code)

     {
     }
 
     {
     }
 


@@ -1501,8 +1510,8 @@ struct CYFunctionStatement :
     CYFunction,
     CYStatement
 {
     CYFunction,
     CYStatement
 {

-    CYFunctionStatement(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *statements) :
-        CYFunction(name, parameters, statements)
+    CYFunctionStatement(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *code) :
+        CYFunction(name, parameters, code)

     {
     }
 
     {
     }
 


@@ -1578,10 +1587,10 @@ struct CYEmpty :
 struct CYFinally :
     CYThing
 {
 struct CYFinally :
     CYThing
 {

-    CYBlock code_;
+    CYStatement *code_;

 
 

-    CYFinally(CYStatement *statements) :
-        code_(statements)
+    CYFinally(CYStatement *code) :
+        code_(code)

     {
     }
 
     {
     }
 


@@ -1845,12 +1854,12 @@ struct CYLambda :
 {
     CYTypedIdentifier *typed_;
     CYTypedParameter *parameters_;
 {
     CYTypedIdentifier *typed_;
     CYTypedParameter *parameters_;

-    CYStatement *statements_;
+    CYStatement *code_;

 
 

-    CYLambda(CYTypedIdentifier *typed, CYTypedParameter *parameters, CYStatement *statements) :
+    CYLambda(CYTypedIdentifier *typed, CYTypedParameter *parameters, CYStatement *code) :

         typed_(typed),
         parameters_(parameters),
         typed_(typed),
         parameters_(parameters),

-        statements_(statements)
+        code_(code)

     {
     }
 
     {
     }
 


@@ -1963,11 +1972,11 @@ struct Catch :
     CYThing
 {
     CYIdentifier *name_;
     CYThing
 {
     CYIdentifier *name_;

-    CYBlock code_;
+    CYStatement *code_;

 
 

-    Catch(CYIdentifier *name, CYStatement *statements) :
+    Catch(CYIdentifier *name, CYStatement *code) :

         name_(name),
         name_(name),

-        code_(statements)
+        code_(code)

     {
     }
 
     {
     }
 


@@ -1978,12 +1987,12 @@ struct Catch :
 struct Try :
     CYStatement
 {
 struct Try :
     CYStatement
 {

-    CYBlock code_;
+    CYStatement *code_;

     Catch *catch_;
     CYFinally *finally_;
 
     Catch *catch_;
     CYFinally *finally_;
 

-    Try(CYStatement *statements, Catch *_catch, CYFinally *finally) :
-        code_(statements),
+    Try(CYStatement *code, Catch *_catch, CYFinally *finally) :
+        code_(code),

         catch_(_catch),
         finally_(finally)
     {
         catch_(_catch),
         finally_(finally)
     {