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 **************************************************************************/
27 #include "trace_model.hpp"
34 for (unsigned i = 0; i < args.size(); ++i) {
50 for (std::vector<Value *>::iterator it = members.begin(); it != members.end(); ++it) {
57 for (std::vector<Value *>::iterator it = values.begin(); it != values.end(); ++it) {
63 // Blobs are often bound and referred during many calls, so we can't delete
64 // them here in that case.
66 // Once bound there is no way to know when they were unbound, which
67 // effectively means we have to leak them. A better solution would be to
68 // keep a list of bound pointers, and defer the destruction to when the
69 // trace in question has been fully processed.
75 StackFrame::~StackFrame() {
79 if (function != NULL) {
82 if (filename != NULL) {
89 bool Null ::toBool(void) const { return false; }
90 bool Bool ::toBool(void) const { return value; }
91 bool SInt ::toBool(void) const { return value != 0; }
92 bool UInt ::toBool(void) const { return value != 0; }
93 bool Float ::toBool(void) const { return value != 0; }
94 bool Double ::toBool(void) const { return value != 0; }
95 bool String ::toBool(void) const { return true; }
96 bool Struct ::toBool(void) const { return true; }
97 bool Array ::toBool(void) const { return true; }
98 bool Blob ::toBool(void) const { return true; }
99 bool Pointer::toBool(void) const { return value != 0; }
100 bool Repr ::toBool(void) const { return static_cast<bool>(machineValue); }
103 // signed integer cast
104 signed long long Value ::toSInt(void) const { assert(0); return 0; }
105 signed long long Null ::toSInt(void) const { return 0; }
106 signed long long Bool ::toSInt(void) const { return static_cast<signed long long>(value); }
107 signed long long SInt ::toSInt(void) const { return value; }
108 signed long long UInt ::toSInt(void) const { assert(static_cast<signed long long>(value) >= 0); return static_cast<signed long long>(value); }
109 signed long long Float ::toSInt(void) const { return static_cast<signed long long>(value); }
110 signed long long Double ::toSInt(void) const { return static_cast<signed long long>(value); }
111 signed long long Repr ::toSInt(void) const { return machineValue->toSInt(); }
114 // unsigned integer cast
115 unsigned long long Value ::toUInt(void) const { assert(0); return 0; }
116 unsigned long long Null ::toUInt(void) const { return 0; }
117 unsigned long long Bool ::toUInt(void) const { return static_cast<unsigned long long>(value); }
118 unsigned long long SInt ::toUInt(void) const { assert(value >= 0); return static_cast<signed long long>(value); }
119 unsigned long long UInt ::toUInt(void) const { return value; }
120 unsigned long long Float ::toUInt(void) const { return static_cast<unsigned long long>(value); }
121 unsigned long long Double ::toUInt(void) const { return static_cast<unsigned long long>(value); }
122 unsigned long long Repr ::toUInt(void) const { return machineValue->toUInt(); }
125 // floating point cast
126 float Value ::toFloat(void) const { assert(0); return 0; }
127 float Null ::toFloat(void) const { return 0; }
128 float Bool ::toFloat(void) const { return static_cast<float>(value); }
129 float SInt ::toFloat(void) const { return static_cast<float>(value); }
130 float UInt ::toFloat(void) const { return static_cast<float>(value); }
131 float Float ::toFloat(void) const { return value; }
132 float Double ::toFloat(void) const { return value; }
133 float Repr ::toFloat(void) const { return machineValue->toFloat(); }
136 // floating point cast
137 double Value ::toDouble(void) const { assert(0); return 0; }
138 double Null ::toDouble(void) const { return 0; }
139 double Bool ::toDouble(void) const { return static_cast<double>(value); }
140 double SInt ::toDouble(void) const { return static_cast<double>(value); }
141 double UInt ::toDouble(void) const { return static_cast<double>(value); }
142 double Float ::toDouble(void) const { return value; }
143 double Double ::toDouble(void) const { return value; }
144 double Repr ::toDouble(void) const { return machineValue->toDouble(); }
148 void * Value ::toPointer(void) const { assert(0); return NULL; }
149 void * Null ::toPointer(void) const { return NULL; }
150 void * Blob ::toPointer(void) const { return buf; }
151 void * Pointer::toPointer(void) const { return (void *)value; }
152 void * Repr ::toPointer(void) const { return machineValue->toPointer(); }
154 void * Value ::toPointer(bool bind) { assert(0); return NULL; }
155 void * Null ::toPointer(bool bind) { return NULL; }
156 void * Blob ::toPointer(bool bind) { if (bind) bound = true; return buf; }
157 void * Pointer::toPointer(bool bind) { return (void *)value; }
158 void * Repr ::toPointer(bool bind) { return machineValue->toPointer(bind); }
161 // unsigned int pointer cast
162 unsigned long long Value ::toUIntPtr(void) const { assert(0); return 0; }
163 unsigned long long Null ::toUIntPtr(void) const { return 0; }
164 unsigned long long Pointer::toUIntPtr(void) const { return value; }
165 unsigned long long Repr ::toUIntPtr(void) const { return machineValue->toUIntPtr(); }
169 const char * Value ::toString(void) const { assert(0); return NULL; }
170 const char * Null ::toString(void) const { return NULL; }
171 const char * String::toString(void) const { return value; }
172 const char * Repr ::toString(void) const { return machineValue->toString(); }
175 // virtual Value::visit()
176 void Null ::visit(Visitor &visitor) { visitor.visit(this); }
177 void Bool ::visit(Visitor &visitor) { visitor.visit(this); }
178 void SInt ::visit(Visitor &visitor) { visitor.visit(this); }
179 void UInt ::visit(Visitor &visitor) { visitor.visit(this); }
180 void Float ::visit(Visitor &visitor) { visitor.visit(this); }
181 void Double ::visit(Visitor &visitor) { visitor.visit(this); }
182 void String ::visit(Visitor &visitor) { visitor.visit(this); }
183 void Enum ::visit(Visitor &visitor) { visitor.visit(this); }
184 void Bitmask::visit(Visitor &visitor) { visitor.visit(this); }
185 void Struct ::visit(Visitor &visitor) { visitor.visit(this); }
186 void Array ::visit(Visitor &visitor) { visitor.visit(this); }
187 void Blob ::visit(Visitor &visitor) { visitor.visit(this); }
188 void Pointer::visit(Visitor &visitor) { visitor.visit(this); }
189 void Repr ::visit(Visitor &visitor) { visitor.visit(this); }
192 void Visitor::visit(Null *) { assert(0); }
193 void Visitor::visit(Bool *) { assert(0); }
194 void Visitor::visit(SInt *) { assert(0); }
195 void Visitor::visit(UInt *) { assert(0); }
196 void Visitor::visit(Float *) { assert(0); }
197 void Visitor::visit(Double *) { assert(0); }
198 void Visitor::visit(String *) { assert(0); }
199 void Visitor::visit(Enum *node) { assert(0); }
200 void Visitor::visit(Bitmask *node) { visit(static_cast<UInt *>(node)); }
201 void Visitor::visit(Struct *) { assert(0); }
202 void Visitor::visit(Array *) { assert(0); }
203 void Visitor::visit(Blob *) { assert(0); }
204 void Visitor::visit(Pointer *) { assert(0); }
205 void Visitor::visit(Repr *node) { node->machineValue->visit(*this); }
206 void Visitor::visit(Backtrace *) { assert(0); }
207 void Visitor::visit(StackFrame *) { assert(0); }
212 const Value & Value::operator[](size_t index) const {
213 const Array *array = toArray();
215 if (index < array->values.size()) {
216 return *array->values[index];
222 } /* namespace trace */