1 /**************************************************************************
3 * Copyright 2010 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 **************************************************************************/
26 #ifndef _TRACE_MODEL_HPP_
27 #define _TRACE_MODEL_HPP_
50 virtual void visit(Visitor &visitor) = 0;
52 operator bool (void) const;
53 operator signed long long (void) const;
54 operator unsigned long long (void) const;
55 operator double (void) const;
57 void *blob(void) const;
58 const char *string(void) const;
60 inline operator signed char (void) const {
61 return static_cast<signed long long>(*this);
64 inline operator unsigned char (void) const {
65 return static_cast<signed long long>(*this);
68 inline operator signed short (void) const {
69 return static_cast<signed long long>(*this);
72 inline operator unsigned short (void) const {
73 return static_cast<unsigned long long>(*this);
76 inline operator signed (void) const {
77 return static_cast<signed long long>(*this);
80 inline operator unsigned (void) const {
81 return static_cast<unsigned long long>(*this);
84 inline operator signed long (void) const {
85 return static_cast<signed long long>(*this);
88 inline operator unsigned long (void) const {
89 return static_cast<unsigned long long>(*this);
92 inline operator float (void) const {
93 return static_cast<double>(*this);
96 const Value & operator[](size_t index) const;
100 class Null : public Value
103 void visit(Visitor &visitor);
107 class Bool : public Value
110 Bool(bool _value) : value(_value) {}
112 void visit(Visitor &visitor);
118 class SInt : public Value
121 SInt(signed long long _value) : value(_value) {}
123 void visit(Visitor &visitor);
125 signed long long value;
129 class UInt : public Value
132 UInt(unsigned long long _value) : value(_value) {}
134 void visit(Visitor &visitor);
136 unsigned long long value;
140 class Float : public Value
143 Float(double _value) : value(_value) {}
145 void visit(Visitor &visitor);
151 class String : public Value
154 String(std::string _value) : value(_value) {}
156 void visit(Visitor &visitor);
162 class Enum : public Value
165 Enum(std::string &_name, Value *_value) : name(_name), value(_value) {}
167 void visit(Visitor &visitor);
174 class Bitmask : public UInt
177 typedef std::pair<std::string, unsigned long long> Pair;
178 typedef std::vector<Pair> Signature;
180 Bitmask(const Signature *_sig, unsigned long long _value) : UInt(_value), sig(_sig) {}
182 void visit(Visitor &visitor);
184 const Signature *sig;
188 class Struct : public Value
193 std::vector<std::string> member_names;
196 Struct(Signature *_sig) : sig(_sig), members(_sig->member_names.size()) { }
198 void visit(Visitor &visitor);
200 const Signature *sig;
201 std::vector<Value *> members;
205 class Array : public Value
208 Array(size_t len) : values(len) {}
210 void visit(Visitor &visitor);
212 std::vector<Value *> values;
216 class Blob : public Value
221 buf = new char[_size];
228 void visit(Visitor &visitor);
238 virtual void visit(Null *) {assert(0);}
239 virtual void visit(Bool *) {assert(0);}
240 virtual void visit(SInt *) {assert(0);}
241 virtual void visit(UInt *) {assert(0);}
242 virtual void visit(Float *) {assert(0);}
243 virtual void visit(String *) {assert(0);}
244 virtual void visit(Enum *) {assert(0);}
245 virtual void visit(Bitmask *bitmask) {visit(static_cast<UInt *>(bitmask));}
246 virtual void visit(Struct *) {assert(0);}
247 virtual void visit(Array *) {assert(0);}
248 virtual void visit(Blob *) {assert(0);}
251 inline void _visit(Value *value) {
259 std::ostream & operator <<(std::ostream &os, Value *value);
262 signed long long asSInt(const Value &node);
263 unsigned long long asUInt(const Value &node);
264 double asFloat(const Value &node);
272 std::vector<std::string> arg_names;
276 const Signature *sig;
277 std::vector<Value *> args;
280 Call(Signature *_sig) : sig(_sig), ret(0) { }
282 inline const std::string name(void) const {
286 inline Value & arg(unsigned index) {
287 return *(args[index]);
292 std::ostream & operator <<(std::ostream &os, Call &call);
295 } /* namespace Trace */
297 #endif /* _TRACE_MODEL_HPP_ */