1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*******************************************************************************
* Copyright (c) 2012 Wind River Systems, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Markus Schorn - initial API and implementation
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.parser.cpp.semantics;
import static org.eclipse.cdt.core.dom.ast.IASTExpression.ValueCategory.LVALUE;
import static org.eclipse.cdt.core.dom.ast.IASTExpression.ValueCategory.PRVALUE;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_alignof;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_has_nothrow_constructor;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_has_nothrow_copy;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_has_trivial_assign;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_has_trivial_constructor;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_has_trivial_copy;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_has_trivial_destructor;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_has_virtual_destructor;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_is_abstract;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_is_class;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_is_empty;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_is_enum;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_is_literal_type;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_is_pod;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_is_polymorphic;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_is_standard_layout;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_is_trivial;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_is_union;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_sizeof;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_typeid;
import static org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression.op_typeof;
import org.eclipse.cdt.core.dom.ast.IASTExpression.ValueCategory;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.core.dom.ast.IType;
import org.eclipse.cdt.core.dom.ast.IValue;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassSpecialization;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameterMap;
import org.eclipse.cdt.internal.core.dom.parser.ISerializableEvaluation;
import org.eclipse.cdt.internal.core.dom.parser.ITypeMarshalBuffer;
import org.eclipse.cdt.internal.core.dom.parser.ProblemType;
import org.eclipse.cdt.internal.core.dom.parser.Value;
import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPBasicType;
import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPEvaluation;
import org.eclipse.core.runtime.CoreException;
public class EvalUnaryTypeID extends CPPEvaluation {
private final int fOperator;
private final IType fOrigType;
private IType fType;
public EvalUnaryTypeID(int operator, IType type) {
fOperator= operator;
fOrigType= type;
}
public int getOperator() {
return fOperator;
}
public IType getArgument() {
return fOrigType;
}
@Override
public boolean isInitializerList() {
return false;
}
@Override
public boolean isFunctionSet() {
return false;
}
@Override
public boolean isTypeDependent() {
if (fOperator == op_typeof)
return CPPTemplates.isDependentType(fOrigType);
return false;
}
@Override
public boolean isValueDependent() {
switch (fOperator) {
case op_sizeof:
case op_alignof:
case op_has_nothrow_copy:
case op_has_nothrow_constructor:
case op_has_trivial_assign:
case op_has_trivial_constructor:
case op_has_trivial_copy:
case op_has_trivial_destructor:
case op_has_virtual_destructor:
case op_is_abstract:
case op_is_class:
case op_is_empty:
case op_is_enum:
case op_is_literal_type:
case op_is_pod:
case op_is_polymorphic:
case op_is_standard_layout:
case op_is_trivial:
case op_is_union:
return CPPTemplates.isDependentType(fOrigType);
case op_typeid:
case op_typeof:
return false;
}
return false;
}
@Override
public IType getTypeOrFunctionSet(IASTNode point) {
if (fType == null)
fType= computeType(point);
return fType;
}
private IType computeType(IASTNode point) {
switch (fOperator) {
case op_sizeof:
case op_alignof:
return CPPVisitor.get_SIZE_T(point);
case op_typeid:
return CPPVisitor.get_type_info(point);
case op_has_nothrow_copy:
case op_has_nothrow_constructor:
case op_has_trivial_assign:
case op_has_trivial_constructor:
case op_has_trivial_copy:
case op_has_trivial_destructor:
case op_has_virtual_destructor:
case op_is_abstract:
case op_is_class:
case op_is_empty:
case op_is_enum:
case op_is_literal_type:
case op_is_pod:
case op_is_polymorphic:
case op_is_standard_layout:
case op_is_trivial:
case op_is_union:
return CPPBasicType.BOOLEAN;
case op_typeof:
if (isTypeDependent())
return new TypeOfDependentExpression(this);
return fOrigType;
}
return ProblemType.UNKNOWN_FOR_EXPRESSION;
}
@Override
public IValue getValue(IASTNode point) {
if (isValueDependent())
return Value.create(this);
return Value.evaluateUnaryTypeIdExpression(fOperator, fOrigType, point);
}
@Override
public ValueCategory getValueCategory(IASTNode point) {
return fOperator == op_typeid ? LVALUE : PRVALUE;
}
@Override
public void marshal(ITypeMarshalBuffer buffer, boolean includeValue) throws CoreException {
buffer.putByte(ITypeMarshalBuffer.EVAL_UNARY_TYPE_ID);
buffer.putByte((byte) fOperator);
buffer.marshalType(fOrigType);
}
public static ISerializableEvaluation unmarshal(int firstByte, ITypeMarshalBuffer buffer) throws CoreException {
int op= buffer.getByte();
IType arg= buffer.unmarshalType();
return new EvalUnaryTypeID(op, arg);
}
@Override
public ICPPEvaluation instantiate(ICPPTemplateParameterMap tpMap, int packOffset,
ICPPClassSpecialization within, int maxdepth, IASTNode point) {
IType type = CPPTemplates.instantiateType(fOrigType, tpMap, packOffset, within, point);
if (type == fOrigType)
return this;
return new EvalUnaryTypeID(fOperator, type);
}
@Override
public int determinePackSize(ICPPTemplateParameterMap tpMap) {
return CPPTemplates.determinePackSize(fOrigType, tpMap);
}
@Override
public boolean referencesTemplateParameter() {
return false;
}
}
|
