X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=trace_model.hpp;h=ddbcabd2993e357687588f7d3c0c549b609e715a;hb=234d0bcb5e59b7d11697beb241fb1e13270b1807;hp=80898805d64893103a41f33af0754a9e0cdf0345;hpb=885f265065244d05fd158d71d27b6fbaba5a2212;p=apitrace

diff --git a/trace_model.hpp b/trace_model.hpp
index 8089880..ddbcabd 100644
--- a/trace_model.hpp
+++ b/trace_model.hpp
@@ -23,15 +23,17 @@
  *
  **************************************************************************/
 
+/*
+ * Object hierarchy for describing the traces in memory.
+ */
+
 #ifndef _TRACE_MODEL_HPP_
 #define _TRACE_MODEL_HPP_
 
 
-#include <cassert>
+#include <assert.h>
 
-#include <string>
 #include <map>
-#include <list>
 #include <vector>
 #include <iostream>
 
@@ -39,203 +41,294 @@
 namespace Trace {
 
 
-class Visitor;
-class Dumper;
-class UInt;
+typedef unsigned Id;
 
 
-class Value
-{
-public:
-   virtual void visit(Visitor &visitor) = 0;
+struct FunctionSig {
+    Id id;
+    const char *name;
+    unsigned num_args;
+    const char **arg_names;
+};
+
+
+struct StructSig {
+    Id id;
+    const char *name;
+    unsigned num_members;
+    const char **member_names;
+};
+
+
+struct EnumSig {
+    Id id;
+    const char *name;
+    signed long long value;
+};
 
-   operator signed long long (void) const;
-   operator unsigned long long (void) const;
-   operator double (void) const;
-   operator void * (void) const;
 
-   inline operator signed char (void) const { 
-      return static_cast<signed long long>(*this);
-   }
+struct BitmaskFlag {
+    const char *name;
+    unsigned long long value;
+};
 
-   inline operator unsigned char (void) const { 
-      return static_cast<signed long long>(*this);
-   }
 
-   inline operator signed short (void) const { 
-      return static_cast<signed long long>(*this);
-   }
+struct BitmaskSig {
+    Id id;
+    unsigned num_flags;
+    const BitmaskFlag *flags;
+};
 
-   inline operator unsigned short (void) const { 
-      return static_cast<unsigned long long>(*this);
-   }
 
-   inline operator signed (void) const { 
-      return static_cast<signed long long>(*this);
-   }
+class Visitor;
 
-   inline operator unsigned (void) const { 
-      return static_cast<unsigned long long>(*this);
-   }
 
-   inline operator signed long (void) const { 
-      return static_cast<signed long long>(*this);
-   }
+class Value
+{
+public:
+    virtual ~Value() {}
+    virtual void visit(Visitor &visitor) = 0;
 
-   inline operator unsigned long (void) const { 
-      return static_cast<unsigned long long>(*this);
-   }
+    virtual bool toBool(void) const = 0;
+    virtual signed long long toSInt(void) const;
+    virtual unsigned long long toUInt(void) const;
+    virtual float toFloat(void) const;
+    virtual double toDouble(void) const;
 
-   inline operator float (void) const { 
-      return static_cast<double>(*this);
-   }
+    virtual void *toPointer(void) const;
+    virtual unsigned long long toUIntPtr(void) const;
+    virtual const char *toString(void) const;
 
-   const Value & operator[](size_t index) const;
+    const Value & operator[](size_t index) const;
 };
 
 
-class Void : public Value
+class Null : public Value
 {
 public:
-   void visit(Visitor &visitor);
+    bool toBool(void) const;
+    signed long long toSInt(void) const;
+    unsigned long long toUInt(void) const;
+    virtual float toFloat(void) const;
+    virtual double toDouble(void) const;
+    void *toPointer(void) const;
+    unsigned long long toUIntPtr(void) const;
+    const char *toString(void) const;
+    void visit(Visitor &visitor);
 };
 
 
 class Bool : public Value
 {
 public:
-   Bool(bool _value) : value(_value) {}
+    Bool(bool _value) : value(_value) {}
 
-   void visit(Visitor &visitor);
+    bool toBool(void) const;
+    signed long long toSInt(void) const;
+    unsigned long long toUInt(void) const;
+    virtual float toFloat(void) const;
+    virtual double toDouble(void) const;
+    void visit(Visitor &visitor);
 
-   bool value;
+    bool value;
 };
 
 
 class SInt : public Value
 {
 public:
-   SInt(signed long long _value) : value(_value) {}
+    SInt(signed long long _value) : value(_value) {}
 
-   void visit(Visitor &visitor);
+    bool toBool(void) const;
+    signed long long toSInt(void) const;
+    unsigned long long toUInt(void) const;
+    virtual float toFloat(void) const;
+    virtual double toDouble(void) const;
+    void visit(Visitor &visitor);
 
-   signed long long value;
+    signed long long value;
 };
 
 
 class UInt : public Value
 {
 public:
-   UInt(unsigned long long _value) : value(_value) {}
+    UInt(unsigned long long _value) : value(_value) {}
 
-   void visit(Visitor &visitor);
+    bool toBool(void) const;
+    signed long long toSInt(void) const;
+    unsigned long long toUInt(void) const;
+    virtual float toFloat(void) const;
+    virtual double toDouble(void) const;
+    void visit(Visitor &visitor);
 
-   unsigned long long value;
+    unsigned long long value;
 };
 
 
 class Float : public Value
 {
 public:
-   Float(double _value) : value(_value) {}
+    Float(double _value) : value(_value) {}
 
-   void visit(Visitor &visitor);
+    bool toBool(void) const;
+    signed long long toSInt(void) const;
+    unsigned long long toUInt(void) const;
+    virtual float toFloat(void) const;
+    virtual double toDouble(void) const;
+    void visit(Visitor &visitor);
 
-   double value;
+    double value;
 };
 
 
 class String : public Value
 {
 public:
-   String(std::string _value) : value(_value) {}
+    String(const char * _value) : value(_value) {}
 
-   void visit(Visitor &visitor);
+    bool toBool(void) const;
+    const char *toString(void) const;
+    void visit(Visitor &visitor);
 
-   std::string value;
+    const char * value;
 };
 
 
-class Const : public Value
+class Enum : public Value
 {
 public:
-   Const(std::string _name, Value *_value) : name(_name), value(_value) {}
+    Enum(const EnumSig *_sig) : sig(_sig) {}
 
-   void visit(Visitor &visitor);
+    bool toBool(void) const;
+    signed long long toSInt(void) const;
+    unsigned long long toUInt(void) const;
+    virtual float toFloat(void) const;
+    virtual double toDouble(void) const;
+    void visit(Visitor &visitor);
 
-   std::string name;
-   Value *value;
+    const EnumSig *sig;
 };
 
 
-class Array : public Value
+class Bitmask : public UInt
 {
 public:
-   Array(size_t len) : values(len) {}
+    Bitmask(const BitmaskSig *_sig, unsigned long long _value) : UInt(_value), sig(_sig) {}
 
-   void visit(Visitor &visitor);
+    void visit(Visitor &visitor);
 
-   std::vector<Value *> values;
+    const BitmaskSig *sig;
 };
 
 
-class Blob : public Value
+class Struct : public Value
 {
 public:
-   Blob(size_t _size) {
-       size = size;
-       buf = new char[_size];
-   }
+    Struct(StructSig *_sig) : sig(_sig), members(_sig->num_members) { }
+    ~Struct();
 
-   ~Blob() {
-       delete [] buf;
-   }
+    bool toBool(void) const;
+    void visit(Visitor &visitor);
 
-   void visit(Visitor &visitor);
-
-   size_t size;
-   char *buf;
+    const StructSig *sig;
+    std::vector<Value *> members;
 };
 
 
-class Visitor
+class Array : public Value
 {
 public:
-   virtual void visit(Void *) {assert(0);}
-   virtual void visit(Bool *) {assert(0);}
-   virtual void visit(SInt *) {assert(0);}
-   virtual void visit(UInt *) {assert(0);}
-   virtual void visit(Float *) {assert(0);}
-   virtual void visit(String *) {assert(0);}
-   virtual void visit(Const *) {assert(0);}
-   virtual void visit(Array *) {assert(0);}
-   virtual void visit(Blob *) {assert(0);}
+    Array(size_t len) : values(len) {}
+    ~Array();
+
+    bool toBool(void) const;
+    void visit(Visitor &visitor);
+
+    std::vector<Value *> values;
 };
 
 
-std::ostream & operator <<(std::ostream &os, Value *value);
+class Blob : public Value
+{
+public:
+    Blob(size_t _size) {
+        size = _size;
+        buf = new char[_size];
+    }
 
+    ~Blob();
 
-signed long long asSInt(const Value &node);
-unsigned long long asUInt(const Value &node);
-double asFloat(const Value &node);
+    bool toBool(void) const;
+    void *toPointer(void) const;
+    void visit(Visitor &visitor);
 
+    size_t size;
+    char *buf;
+};
 
-typedef std::pair<std::string, Value *> Arg;
 
-class Call
+class Pointer : public UInt
 {
 public:
-   std::string name;
-   std::list<Arg> args;
-   Value *ret;
+    Pointer(unsigned long long value) : UInt(value) {}
+
+    bool toBool(void) const;
+    void *toPointer(void) const;
+    unsigned long long toUIntPtr(void) const;
+    void visit(Visitor &visitor);
+};
 
-   Call() : ret(0) { }
 
-   Value & arg(const char *name);
+class Visitor
+{
+public:
+    virtual void visit(Null *);
+    virtual void visit(Bool *);
+    virtual void visit(SInt *);
+    virtual void visit(UInt *);
+    virtual void visit(Float *);
+    virtual void visit(String *);
+    virtual void visit(Enum *);
+    virtual void visit(Bitmask *);
+    virtual void visit(Struct *);
+    virtual void visit(Array *);
+    virtual void visit(Blob *);
+    virtual void visit(Pointer *);
+
+protected:
+    inline void _visit(Value *value) {
+        if (value) { 
+            value->visit(*this); 
+        }
+    }
 };
 
 
+std::ostream & operator <<(std::ostream &os, Value *value);
+
+
+class Call
+{
+public:
+    unsigned no;
+    const FunctionSig *sig;
+    std::vector<Value *> args;
+    Value *ret;
+
+    Call(FunctionSig *_sig) : sig(_sig), args(_sig->num_args), ret(0) { }
+    ~Call();
+
+    inline const char * name(void) const {
+        return sig->name;
+    }
+
+    inline Value & arg(unsigned index) {
+        assert(index < args.size());
+        return *(args[index]);
+    }
+};
+
 
 std::ostream & operator <<(std::ostream &os, Call &call);