*
**************************************************************************/
+/*
+ * Object hierarchy for describing the traces in memory.
+ */
+
#ifndef _TRACE_MODEL_HPP_
#define _TRACE_MODEL_HPP_
class Value
{
public:
- virtual void visit(Visitor &visitor) = 0;
+ virtual ~Value() {}
+ virtual void visit(Visitor &visitor) = 0;
- operator bool (void) const;
- operator signed long long (void) const;
- operator unsigned long long (void) const;
- operator double (void) const;
+ virtual operator bool (void) const = 0;
+ virtual operator signed long long (void) const;
+ virtual operator unsigned long long (void) const;
+ virtual operator double (void) const;
- void *blob(void) const;
- const char *string(void) const;
+ virtual void *blob(void) const;
+ const char *string(void) const;
- inline operator signed char (void) const {
- return static_cast<signed long long>(*this);
- }
+ inline operator signed char (void) const {
+ return static_cast<signed long long>(*this);
+ }
- inline operator unsigned char (void) const {
- return static_cast<signed long long>(*this);
- }
+ 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);
- }
+ inline operator signed short (void) const {
+ return static_cast<signed long long>(*this);
+ }
- inline operator unsigned short (void) const {
- return static_cast<unsigned long long>(*this);
- }
+ 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);
- }
+ inline operator signed (void) const {
+ return static_cast<signed long long>(*this);
+ }
- inline operator unsigned (void) const {
- return static_cast<unsigned long long>(*this);
- }
+ 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);
- }
+ inline operator signed long (void) const {
+ return static_cast<signed long long>(*this);
+ }
- inline operator unsigned long (void) const {
- return static_cast<unsigned long long>(*this);
- }
+ inline operator unsigned long (void) const {
+ return static_cast<unsigned long long>(*this);
+ }
- inline operator float (void) const {
- return static_cast<double>(*this);
- }
+ inline operator float (void) const {
+ return static_cast<double>(*this);
+ }
- const Value & operator[](size_t index) const;
+ const Value & operator[](size_t index) const;
};
class Null : public Value
{
public:
- void visit(Visitor &visitor);
+ operator bool (void) const;
+ operator signed long long (void) const;
+ operator unsigned long long (void) const;
+ operator double (void) const;
+ void *blob(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);
+ operator bool (void) const;
+ operator signed long long (void) const;
+ operator unsigned long long (void) const;
+ operator double (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);
+ operator bool (void) const;
+ operator signed long long (void) const;
+ operator unsigned long long (void) const;
+ operator double (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);
+ operator bool (void) const;
+ operator signed long long (void) const;
+ operator unsigned long long (void) const;
+ operator double (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);
+ operator bool (void) const;
+ operator signed long long (void) const;
+ operator unsigned long long (void) const;
+ operator double (void) const;
+ void visit(Visitor &visitor);
- double value;
+ double value;
};
class String : public Value
{
public:
- String(std::string _value) : value(_value) {}
+ String(std::string _value) : value(_value) {}
+
+ operator bool (void) const;
+ void visit(Visitor &visitor);
- void visit(Visitor &visitor);
+ std::string value;
+};
- std::string value;
+
+class Enum : public Value
+{
+public:
+ struct Signature : public std::pair<std::string, Value *>
+ {
+ Signature()
+ : std::pair<std::string, Value *>()
+ {}
+ Signature(const std::string &n, Trace::Value *val)
+ : std::pair<std::string, Value *>(n, val)
+ {}
+ ~Signature()
+ {
+ delete second;
+ }
+ };
+
+ Enum(const Signature *_sig) : sig(_sig) {}
+
+ operator bool (void) const;
+ operator signed long long (void) const;
+ operator unsigned long long (void) const;
+ operator double (void) const;
+ void visit(Visitor &visitor);
+
+ const Signature *sig;
};
-class Const : public Value
+class Bitmask : public UInt
{
public:
- Const(std::string _name, Value *_value) : name(_name), value(_value) {}
+ typedef std::pair<std::string, unsigned long long> Pair;
+ typedef std::vector<Pair> Signature;
+
+ Bitmask(const Signature *_sig, unsigned long long _value) : UInt(_value), sig(_sig) {}
- void visit(Visitor &visitor);
+ void visit(Visitor &visitor);
- std::string name;
- Value *value;
+ const Signature *sig;
};
-class Bitmask : public UInt
+class Struct : public Value
{
public:
- typedef std::pair<std::string, unsigned long long> Pair;
- typedef std::vector<Pair> Signature;
+ struct Signature {
+ std::string name;
+ std::vector<std::string> member_names;
+ };
- Bitmask(const Signature *_sig, unsigned long long _value) : UInt(_value), sig(_sig) {}
+ Struct(Signature *_sig) : sig(_sig), members(_sig->member_names.size()) { }
+ ~Struct();
- void visit(Visitor &visitor);
+ operator bool (void) const;
+ void visit(Visitor &visitor);
- const Signature *sig;
+ const Signature *sig;
+ std::vector<Value *> members;
};
class Array : public Value
{
public:
- Array(size_t len) : values(len) {}
+ Array(size_t len) : values(len) {}
+ ~Array();
- void visit(Visitor &visitor);
+ operator bool (void) const;
+ void visit(Visitor &visitor);
- std::vector<Value *> values;
+ std::vector<Value *> values;
};
class Blob : public Value
{
public:
- Blob(size_t _size) {
- size = _size;
- buf = new char[_size];
- }
+ Blob(size_t _size) {
+ size = _size;
+ buf = new char[_size];
+ }
+
+ ~Blob();
- ~Blob() {
- delete [] buf;
- }
+ operator bool (void) const;
+ void *blob(void) const;
+ void visit(Visitor &visitor);
- void visit(Visitor &visitor);
+ size_t size;
+ char *buf;
+};
+
+
+class Pointer : public UInt
+{
+public:
+ Pointer(unsigned long long value) : UInt(value) {}
- size_t size;
- char *buf;
+ operator bool (void) const;
+ void *blob(void) const;
+ void visit(Visitor &visitor);
};
class Visitor
{
public:
- virtual void visit(Null *) {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(Bitmask *bitmask) {visit(static_cast<UInt *>(bitmask));}
- virtual void visit(Array *) {assert(0);}
- virtual void visit(Blob *) {assert(0);}
+ 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);
- }
- }
+ inline void _visit(Value *value) {
+ if (value) {
+ value->visit(*this);
+ }
+ }
};
class Call
{
public:
- struct Signature {
- std::string name;
- std::vector<std::string> arg_names;
- };
-
- unsigned no;
- const Signature *sig;
- std::vector<Value *> args;
- Value *ret;
-
- Call(Signature *_sig) : sig(_sig), ret(0) { }
-
- inline const std::string name(void) const {
- return sig->name;
- }
-
- inline Value & arg(unsigned index) {
- return *(args[index]);
- }
+ struct Signature {
+ std::string name;
+ std::vector<std::string> arg_names;
+ };
+
+ unsigned no;
+ const Signature *sig;
+ std::vector<Value *> args;
+ Value *ret;
+
+ Call(Signature *_sig) : sig(_sig), args(_sig->arg_names.size()), ret(0) { }
+ ~Call();
+
+ inline const std::string & name(void) const {
+ return sig->name;
+ }
+
+ inline Value & arg(unsigned index) {
+ return *(args[index]);
+ }
};
-
std::ostream & operator <<(std::ostream &os, Call &call);