Remove flex/gperf hacks (this was fixed upstream).

[cycript.git] / Parser.hpp

diff --git a/Parser.hpp b/Parser.hpp
index 2c534cce50f150d70e6941625a4f8162b2275f29..a7ac66aa82caa900cd5c50e7c0a5a5d3437f4a26 100644 (file)
--- a/Parser.hpp
+++ b/Parser.hpp
@@ -22,8 +22,7 @@
 #ifndef CYCRIPT_PARSER_HPP
 #define CYCRIPT_PARSER_HPP
 
-#include <iostream>
-
+#include <streambuf>
 #include <string>
 #include <vector>
 #include <map>
@@ -40,17 +39,17 @@
 struct CYContext;
 
 struct CYThing {
-    virtual ~CYThing() {
-    }
-
     virtual void Output(struct CYOutput &out) const = 0;
 };
 
 struct CYOutput {
-    std::ostream &out_;
+    std::streambuf &out_;
+    CYPosition position_;
+
     CYOptions &options_;
     bool pretty_;
     unsigned indent_;
+    unsigned recent_;
     bool right_;
 
     enum {
@@ -61,11 +60,12 @@ struct CYOutput {
         Terminated
     } mode_;
 
-    CYOutput(std::ostream &out, CYOptions &options) :
+    CYOutput(std::streambuf &out, CYOptions &options) :
         out_(out),
         options_(options),
         pretty_(false),
         indent_(0),
+        recent_(0),
         right_(false),
         mode_(NoMode)
     {
@@ -74,6 +74,25 @@ struct CYOutput {
     void Check(char value);
     void Terminate();
 
+    _finline void operator ()(char value) {
+        _assert(out_.sputc(value) != EOF);
+        recent_ = indent_;
+        if (value == '\n')
+            position_.lines(1);
+        else
+            position_.columns(1);
+    }
+
+    _finline void operator ()(const char *data, std::streamsize size) {
+        _assert(out_.sputn(data, size) == size);
+        recent_ = indent_;
+        position_.columns(size);
+    }
+
+    _finline void operator ()(const char *data) {
+        return operator ()(data, strlen(data));
+    }
+
     CYOutput &operator <<(char rhs);
     CYOutput &operator <<(const char *rhs);
 
@@ -91,9 +110,6 @@ struct CYOutput {
 
 struct CYPropertyName {
     virtual void PropertyName(CYOutput &out) const = 0;
-
-    virtual ~CYPropertyName() {
-    }
 };
 
 struct CYExpression;
@@ -145,19 +161,28 @@ _finline CYFlags CYCenter(CYFlags flags) {
     return CYLeft(CYRight(flags));
 }
 
+enum CYCompactType {
+    CYCompactNone,
+    CYCompactLong,
+    CYCompactShort,
+};
+
+#define CYCompact(type) \
+    virtual CYCompactType Compact() const { \
+        return CYCompact ## type; \
+    }
+
 struct CYStatement :
     CYNext<CYStatement>,
     CYThing
 {
-    virtual ~CYStatement() {
-    }
-
-    void Single(CYOutput &out, CYFlags flags) const;
+    void Single(CYOutput &out, CYFlags flags, CYCompactType request) const;
     void Multiple(CYOutput &out, CYFlags flags = CYNoFlags) const;
     virtual void Output(CYOutput &out) const;
 
     virtual CYStatement *Replace(CYContext &context) = 0;
 
+    virtual CYCompactType Compact() const = 0;
     virtual CYStatement *Return();
 
   private:
@@ -194,9 +219,6 @@ struct CYStatements {
 };
 
 struct CYClassName {
-    virtual ~CYClassName() {
-    }
-
     virtual CYExpression *ClassName(CYContext &context, bool object) = 0;
     virtual void ClassName(CYOutput &out, bool object) const = 0;
 };
@@ -260,6 +282,8 @@ struct CYComment :
     {
     }
 
+    CYCompact(None)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -276,6 +300,8 @@ struct CYLabel :
     {
     }
 
+    CYCompact(Short)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -369,9 +395,6 @@ struct CYContext {
     {
     }
 
-    virtual ~CYContext() {
-    }
-
     void ReplaceAll(CYStatement *&statement) {
         if (statement == NULL)
             return;
@@ -446,6 +469,8 @@ struct CYBlock :
     {
     }
 
+    CYCompact(Short)
+
     virtual CYStatement *Replace(CYContext &context);
 
     virtual void Output(CYOutput &out, CYFlags flags) const;
@@ -454,17 +479,11 @@ struct CYBlock :
 };
 
 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;
 
@@ -834,14 +853,8 @@ struct CYRegEx :
 };
 
 struct CYNull :
-    CYWord,
     CYTrivial
 {
-    CYNull() :
-        CYWord("null")
-    {
-    }
-
     virtual CYNumber *Number(CYContext &context);
     virtual CYString *String(CYContext &context);
 
@@ -849,14 +862,8 @@ struct CYNull :
 };
 
 struct CYThis :
-    CYWord,
     CYMagic
 {
-    CYThis() :
-        CYWord("this")
-    {
-    }
-
     virtual CYExpression *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -869,14 +876,8 @@ struct CYBoolean :
 };
 
 struct CYFalse :
-    CYWord,
     CYBoolean
 {
-    CYFalse() :
-        CYWord("false")
-    {
-    }
-
     virtual bool Value() const {
         return false;
     }
@@ -886,14 +887,8 @@ struct CYFalse :
 };
 
 struct CYTrue :
-    CYWord,
     CYBoolean
 {
-    CYTrue() :
-        CYWord("true")
-    {
-    }
-
     virtual bool Value() const {
         return true;
     }
@@ -1035,15 +1030,6 @@ struct CYArgument :
     void Output(CYOutput &out) const;
 };
 
-struct CYBlank :
-    public CYWord
-{
-    CYBlank() :
-        CYWord("")
-    {
-    }
-};
-
 struct CYClause :
     CYThing,
     CYNext<CYClause>
@@ -1179,6 +1165,8 @@ struct CYVar :
     {
     }
 
+    CYCompact(None)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1195,6 +1183,8 @@ struct CYLetStatement :
     {
     }
 
+    CYCompact(Long)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1215,6 +1205,8 @@ struct CYFor :
     {
     }
 
+    CYCompact(Long)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1233,6 +1225,8 @@ struct CYForIn :
     {
     }
 
+    CYCompact(Long)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1251,6 +1245,8 @@ struct CYForOf :
     {
     }
 
+    CYCompact(Long)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1401,6 +1397,8 @@ struct CYIf :
     {
     }
 
+    CYCompact(Long)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 
@@ -1419,6 +1417,8 @@ struct CYDoWhile :
     {
     }
 
+    CYCompact(None)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1435,6 +1435,8 @@ struct CYWhile :
     {
     }
 
+    CYCompact(Long)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1458,9 +1460,6 @@ struct CYFunction {
     {
     }
 
-    virtual ~CYFunction() {
-    }
-
     void Inject(CYContext &context);
     virtual void Replace_(CYContext &context, bool outer);
     virtual void Output(CYOutput &out, CYFlags flags) const;
@@ -1523,6 +1522,8 @@ struct CYFunctionStatement :
     {
     }
 
+    CYCompact(None)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1539,6 +1540,8 @@ struct CYExpress :
             throw;
     }
 
+    CYCompact(None)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 
@@ -1555,6 +1558,8 @@ struct CYContinue :
     {
     }
 
+    CYCompact(Short)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1569,6 +1574,8 @@ struct CYBreak :
     {
     }
 
+    CYCompact(Short)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1583,6 +1590,8 @@ struct CYReturn :
     {
     }
 
+    CYCompact(None)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1590,6 +1599,8 @@ struct CYReturn :
 struct CYEmpty :
     CYStatement
 {
+    CYCompact(Short)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1905,6 +1916,8 @@ struct CYImport :
     {
     }
 
+    CYCompact(None)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1921,6 +1934,8 @@ struct CYExternal :
     {
     }
 
+    CYCompact(None)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -1935,6 +1950,8 @@ struct CYTypeDefinition :
     {
     }
 
+    CYCompact(None)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -2008,6 +2025,8 @@ struct Try :
     {
     }
 
+    CYCompact(Short)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -2022,6 +2041,8 @@ struct Throw :
     {
     }
 
+    CYCompact(None)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -2040,6 +2061,8 @@ struct CYWith :
     {
     }
 
+    CYCompact(Long)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -2056,6 +2079,8 @@ struct CYSwitch :
     {
     }
 
+    CYCompact(Long)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };
@@ -2067,6 +2092,8 @@ struct CYDebugger :
     {
     }
 
+    CYCompact(None)
+
     virtual CYStatement *Replace(CYContext &context);
     virtual void Output(CYOutput &out, CYFlags flags) const;
 };