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);
109 class Bool : public Value
112 Bool(bool _value) : value(_value) {}
114 void visit(Visitor &visitor);
120 class SInt : public Value
123 SInt(signed long long _value) : value(_value) {}
125 void visit(Visitor &visitor);
127 signed long long value;
131 class UInt : public Value
134 UInt(unsigned long long _value) : value(_value) {}
136 void visit(Visitor &visitor);
138 unsigned long long value;
142 class Float : public Value
145 Float(double _value) : value(_value) {}
147 void visit(Visitor &visitor);
153 class String : public Value
156 String(std::string _value) : value(_value) {}
158 void visit(Visitor &visitor);
164 class Enum : public Value
167 Enum(std::string &_name, Value *_value) : name(_name), value(_value) {}
169 void visit(Visitor &visitor);
176 class Bitmask : public UInt
179 typedef std::pair<std::string, unsigned long long> Pair;
180 typedef std::vector<Pair> Signature;
182 Bitmask(const Signature *_sig, unsigned long long _value) : UInt(_value), sig(_sig) {}
184 void visit(Visitor &visitor);
186 const Signature *sig;
190 class Struct : public Value
195 std::vector<std::string> member_names;
198 Struct(Signature *_sig) : sig(_sig), members(_sig->member_names.size()) { }
200 void visit(Visitor &visitor);
202 const Signature *sig;
203 std::vector<Value *> members;
207 class Array : public Value
210 Array(size_t len) : values(len) {}
212 void visit(Visitor &visitor);
214 std::vector<Value *> values;
218 class Blob : public Value
223 buf = new char[_size];
230 void visit(Visitor &visitor);
240 virtual void visit(Null *) {assert(0);}
241 virtual void visit(Bool *) {assert(0);}
242 virtual void visit(SInt *) {assert(0);}
243 virtual void visit(UInt *) {assert(0);}
244 virtual void visit(Float *) {assert(0);}
245 virtual void visit(String *) {assert(0);}
246 virtual void visit(Enum *) {assert(0);}
247 virtual void visit(Bitmask *bitmask) {visit(static_cast<UInt *>(bitmask));}
248 virtual void visit(Struct *) {assert(0);}
249 virtual void visit(Array *) {assert(0);}
250 virtual void visit(Blob *) {assert(0);}
253 inline void _visit(Value *value) {
261 std::ostream & operator <<(std::ostream &os, Value *value);
264 signed long long asSInt(const Value &node);
265 unsigned long long asUInt(const Value &node);
266 double asFloat(const Value &node);
274 std::vector<std::string> arg_names;
278 const Signature *sig;
279 std::vector<Value *> args;
282 Call(Signature *_sig) : sig(_sig), args(_sig->arg_names.size()), ret(0) { }
284 inline const std::string name(void) const {
288 inline Value & arg(unsigned index) {
289 return *(args[index]);
294 std::ostream & operator <<(std::ostream &os, Call &call);
297 } /* namespace Trace */
299 #endif /* _TRACE_MODEL_HPP_ */