Lines 11-21
Link Here
|
11 |
package org.eclipse.jdt.internal.compiler.ast; |
11 |
package org.eclipse.jdt.internal.compiler.ast; |
12 |
|
12 |
|
13 |
import org.eclipse.jdt.internal.compiler.ASTVisitor; |
13 |
import org.eclipse.jdt.internal.compiler.ASTVisitor; |
14 |
import org.eclipse.jdt.internal.compiler.impl.*; |
|
|
15 |
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
14 |
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
16 |
import org.eclipse.jdt.internal.compiler.codegen.*; |
15 |
import org.eclipse.jdt.internal.compiler.codegen.CodeStream; |
17 |
import org.eclipse.jdt.internal.compiler.flow.*; |
16 |
import org.eclipse.jdt.internal.compiler.flow.FlowContext; |
18 |
import org.eclipse.jdt.internal.compiler.lookup.*; |
17 |
import org.eclipse.jdt.internal.compiler.flow.FlowInfo; |
|
|
18 |
import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; |
19 |
import org.eclipse.jdt.internal.compiler.impl.Constant; |
20 |
import org.eclipse.jdt.internal.compiler.lookup.Binding; |
21 |
import org.eclipse.jdt.internal.compiler.lookup.BlockScope; |
22 |
import org.eclipse.jdt.internal.compiler.lookup.ClassScope; |
23 |
import org.eclipse.jdt.internal.compiler.lookup.FieldBinding; |
24 |
import org.eclipse.jdt.internal.compiler.lookup.LocalVariableBinding; |
25 |
import org.eclipse.jdt.internal.compiler.lookup.MethodBinding; |
26 |
import org.eclipse.jdt.internal.compiler.lookup.MethodScope; |
27 |
import org.eclipse.jdt.internal.compiler.lookup.ProblemFieldBinding; |
28 |
import org.eclipse.jdt.internal.compiler.lookup.ProblemReferenceBinding; |
29 |
import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding; |
30 |
import org.eclipse.jdt.internal.compiler.lookup.Scope; |
31 |
import org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding; |
32 |
import org.eclipse.jdt.internal.compiler.lookup.SyntheticMethodBinding; |
33 |
import org.eclipse.jdt.internal.compiler.lookup.TagBits; |
34 |
import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; |
35 |
import org.eclipse.jdt.internal.compiler.lookup.TypeIds; |
36 |
import org.eclipse.jdt.internal.compiler.lookup.VariableBinding; |
19 |
import org.eclipse.jdt.internal.compiler.problem.ProblemSeverities; |
37 |
import org.eclipse.jdt.internal.compiler.problem.ProblemSeverities; |
20 |
|
38 |
|
21 |
public class QualifiedNameReference extends NameReference { |
39 |
public class QualifiedNameReference extends NameReference { |
Lines 30-187
Link Here
|
30 |
public TypeBinding genericCast; |
48 |
public TypeBinding genericCast; |
31 |
public TypeBinding[] otherGenericCasts; |
49 |
public TypeBinding[] otherGenericCasts; |
32 |
|
50 |
|
33 |
public QualifiedNameReference( |
51 |
public QualifiedNameReference( char[][] tokens, long[] positions, int sourceStart, int sourceEnd) { |
34 |
char[][] sources, |
52 |
this.tokens = tokens; |
35 |
long[] positions, |
53 |
this.sourcePositions = positions; |
36 |
int sourceStart, |
54 |
this.sourceStart = sourceStart; |
37 |
int sourceEnd) { |
55 |
this.sourceEnd = sourceEnd; |
38 |
super(); |
56 |
} |
39 |
this.tokens = sources; |
57 |
|
40 |
this.sourcePositions = positions; |
58 |
public FlowInfo analyseAssignment(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo, Assignment assignment, boolean isCompound) { |
41 |
this.sourceStart = sourceStart; |
59 |
// determine the rank until which we now we do not need any actual value for the field access |
42 |
this.sourceEnd = sourceEnd; |
60 |
int otherBindingsCount = this.otherBindings == null ? 0 : this.otherBindings.length; |
43 |
} |
61 |
boolean needValue = otherBindingsCount == 0 || !this.otherBindings[0].isStatic(); |
44 |
|
62 |
boolean complyTo14 = currentScope.compilerOptions().complianceLevel >= ClassFileConstants.JDK1_4; |
45 |
public FlowInfo analyseAssignment( |
63 |
FieldBinding lastFieldBinding = null; |
46 |
BlockScope currentScope, |
64 |
switch (this.bits & ASTNode.RestrictiveFlagMASK) { |
47 |
FlowContext flowContext, |
65 |
case Binding.FIELD : // reading a field |
48 |
FlowInfo flowInfo, |
66 |
lastFieldBinding = (FieldBinding) this.binding; |
49 |
Assignment assignment, |
67 |
if (needValue || complyTo14) { |
50 |
boolean isCompound) { |
68 |
manageSyntheticAccessIfNecessary(currentScope, lastFieldBinding, this.actualReceiverType, 0, flowInfo); |
51 |
|
69 |
} |
52 |
// determine the rank until which we now we do not need any actual value for the field access |
70 |
if (this.indexOfFirstFieldBinding == 1) { // was an implicit reference to the first field binding |
53 |
int otherBindingsCount = otherBindings == null ? 0 : otherBindings.length; |
71 |
ReferenceBinding declaringClass = lastFieldBinding.declaringClass; |
54 |
boolean needValue = otherBindingsCount == 0 || !this.otherBindings[0].isStatic(); |
72 |
// check if accessing enum static field in initializer |
55 |
boolean complyTo14 = currentScope.compilerOptions().complianceLevel >= ClassFileConstants.JDK1_4; |
73 |
if (declaringClass.isEnum()) { |
56 |
FieldBinding lastFieldBinding = null; |
74 |
MethodScope methodScope = currentScope.methodScope(); |
57 |
switch (bits & RestrictiveFlagMASK) { |
75 |
SourceTypeBinding sourceType = methodScope.enclosingSourceType(); |
58 |
case Binding.FIELD : // reading a field |
76 |
if (lastFieldBinding.isStatic() |
59 |
lastFieldBinding = (FieldBinding) binding; |
77 |
&& (sourceType == declaringClass || sourceType.superclass == declaringClass) // enum constant body |
60 |
if (needValue || complyTo14) { |
78 |
&& lastFieldBinding.constant() == Constant.NotAConstant |
61 |
manageSyntheticAccessIfNecessary(currentScope, lastFieldBinding, this.actualReceiverType, 0, flowInfo); |
79 |
&& !methodScope.isStatic |
62 |
} |
80 |
&& methodScope.isInsideInitializerOrConstructor()) { |
63 |
if (this.indexOfFirstFieldBinding == 1) { // was an implicit reference to the first field binding |
81 |
currentScope.problemReporter().enumStaticFieldUsedDuringInitialization(lastFieldBinding, this); |
64 |
ReferenceBinding declaringClass = lastFieldBinding.declaringClass; |
82 |
} |
65 |
// check if accessing enum static field in initializer |
|
|
66 |
if (declaringClass.isEnum()) { |
67 |
MethodScope methodScope = currentScope.methodScope(); |
68 |
SourceTypeBinding sourceType = methodScope.enclosingSourceType(); |
69 |
if (lastFieldBinding.isStatic() |
70 |
&& (sourceType == declaringClass || sourceType.superclass == declaringClass) // enum constant body |
71 |
&& lastFieldBinding.constant() == Constant.NotAConstant |
72 |
&& !methodScope.isStatic |
73 |
&& methodScope.isInsideInitializerOrConstructor()) { |
74 |
currentScope.problemReporter().enumStaticFieldUsedDuringInitialization(lastFieldBinding, this); |
75 |
} |
76 |
} |
77 |
} |
83 |
} |
78 |
// check if final blank field |
84 |
} |
79 |
if (lastFieldBinding.isBlankFinal() |
85 |
// check if final blank field |
|
|
86 |
if (lastFieldBinding.isBlankFinal() |
80 |
&& this.otherBindings != null // the last field binding is only assigned |
87 |
&& this.otherBindings != null // the last field binding is only assigned |
81 |
&& currentScope.allowBlankFinalFieldAssignment(lastFieldBinding)) { |
88 |
&& currentScope.allowBlankFinalFieldAssignment(lastFieldBinding)) { |
82 |
if (!flowInfo.isDefinitelyAssigned(lastFieldBinding)) { |
89 |
if (!flowInfo.isDefinitelyAssigned(lastFieldBinding)) { |
83 |
currentScope.problemReporter().uninitializedBlankFinalField( |
90 |
currentScope.problemReporter().uninitializedBlankFinalField( |
84 |
lastFieldBinding, |
91 |
lastFieldBinding, |
85 |
this); |
92 |
this); |
86 |
} |
93 |
} |
87 |
} |
94 |
} |
88 |
break; |
95 |
break; |
89 |
case Binding.LOCAL : |
96 |
case Binding.LOCAL : |
90 |
// first binding is a local variable |
97 |
// first binding is a local variable |
91 |
LocalVariableBinding localBinding; |
98 |
LocalVariableBinding localBinding; |
92 |
if (!flowInfo |
99 |
if (!flowInfo |
93 |
.isDefinitelyAssigned(localBinding = (LocalVariableBinding) binding)) { |
100 |
.isDefinitelyAssigned(localBinding = (LocalVariableBinding) this.binding)) { |
94 |
currentScope.problemReporter().uninitializedLocalVariable(localBinding, this); |
101 |
currentScope.problemReporter().uninitializedLocalVariable(localBinding, this); |
95 |
} |
102 |
} |
96 |
if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) == 0) { |
103 |
if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) == 0) { |
97 |
localBinding.useFlag = LocalVariableBinding.USED; |
104 |
localBinding.useFlag = LocalVariableBinding.USED; |
98 |
} else if (localBinding.useFlag == LocalVariableBinding.UNUSED) { |
105 |
} else if (localBinding.useFlag == LocalVariableBinding.UNUSED) { |
99 |
localBinding.useFlag = LocalVariableBinding.FAKE_USED; |
106 |
localBinding.useFlag = LocalVariableBinding.FAKE_USED; |
100 |
} |
107 |
} |
101 |
checkNPE(currentScope, flowContext, flowInfo, true); |
108 |
checkNPE(currentScope, flowContext, flowInfo, true); |
102 |
} |
109 |
} |
103 |
|
110 |
|
104 |
if (needValue) { |
111 |
if (needValue) { |
105 |
manageEnclosingInstanceAccessIfNecessary(currentScope, flowInfo); |
112 |
manageEnclosingInstanceAccessIfNecessary(currentScope, flowInfo); |
106 |
// only for first binding |
113 |
// only for first binding |
107 |
} |
114 |
} |
108 |
// all intermediate field accesses are read accesses |
115 |
// all intermediate field accesses are read accesses |
109 |
if (otherBindings != null) { |
116 |
if (this.otherBindings != null) { |
110 |
for (int i = 0; i < otherBindingsCount-1; i++) { |
117 |
for (int i = 0; i < otherBindingsCount-1; i++) { |
111 |
lastFieldBinding = otherBindings[i]; |
118 |
lastFieldBinding = this.otherBindings[i]; |
112 |
needValue = !otherBindings[i+1].isStatic(); |
119 |
needValue = !this.otherBindings[i+1].isStatic(); |
113 |
if (needValue || complyTo14) { |
120 |
if (needValue || complyTo14) { |
114 |
manageSyntheticAccessIfNecessary( |
121 |
manageSyntheticAccessIfNecessary( |
115 |
currentScope, |
122 |
currentScope, |
116 |
lastFieldBinding, |
123 |
lastFieldBinding, |
117 |
i == 0 |
124 |
i == 0 |
118 |
? ((VariableBinding)binding).type |
125 |
? ((VariableBinding)this.binding).type |
119 |
: otherBindings[i-1].type, |
126 |
: this.otherBindings[i-1].type, |
120 |
i + 1, |
127 |
i + 1, |
121 |
flowInfo); |
128 |
flowInfo); |
122 |
} |
|
|
123 |
} |
129 |
} |
124 |
lastFieldBinding = otherBindings[otherBindingsCount-1]; |
|
|
125 |
} |
130 |
} |
|
|
131 |
lastFieldBinding = this.otherBindings[otherBindingsCount-1]; |
132 |
} |
126 |
|
133 |
|
127 |
if (isCompound) { |
134 |
if (isCompound) { |
128 |
if (otherBindingsCount == 0 |
135 |
if (otherBindingsCount == 0 |
129 |
&& lastFieldBinding.isBlankFinal() |
136 |
&& lastFieldBinding.isBlankFinal() |
130 |
&& currentScope.allowBlankFinalFieldAssignment(lastFieldBinding) |
137 |
&& currentScope.allowBlankFinalFieldAssignment(lastFieldBinding) |
131 |
&& (!flowInfo.isDefinitelyAssigned(lastFieldBinding))) { |
138 |
&& (!flowInfo.isDefinitelyAssigned(lastFieldBinding))) { |
132 |
currentScope.problemReporter().uninitializedBlankFinalField( |
139 |
currentScope.problemReporter().uninitializedBlankFinalField(lastFieldBinding, this); |
133 |
lastFieldBinding, |
|
|
134 |
this); |
135 |
} |
136 |
TypeBinding lastReceiverType; |
137 |
switch (otherBindingsCount) { |
138 |
case 0 : |
139 |
lastReceiverType = this.actualReceiverType; |
140 |
break; |
141 |
case 1 : |
142 |
lastReceiverType = ((VariableBinding)this.binding).type; |
143 |
break; |
144 |
default: |
145 |
lastReceiverType = this.otherBindings[otherBindingsCount-2].type; |
146 |
break; |
147 |
} |
148 |
manageSyntheticAccessIfNecessary( |
149 |
currentScope, |
150 |
lastFieldBinding, |
151 |
lastReceiverType, |
152 |
otherBindingsCount, |
153 |
flowInfo); |
154 |
} |
155 |
|
156 |
if (assignment.expression != null) { |
157 |
flowInfo = |
158 |
assignment |
159 |
.expression |
160 |
.analyseCode(currentScope, flowContext, flowInfo) |
161 |
.unconditionalInits(); |
162 |
} |
163 |
|
164 |
// the last field access is a write access |
165 |
if (lastFieldBinding.isFinal()) { |
166 |
// in a context where it can be assigned? |
167 |
if (lastFieldBinding.isBlankFinal() |
168 |
&& !isCompound |
169 |
&& currentScope.allowBlankFinalFieldAssignment(lastFieldBinding) |
170 |
&& indexOfFirstFieldBinding == 1) { |
171 |
if (flowInfo.isPotentiallyAssigned(lastFieldBinding)) { |
172 |
currentScope.problemReporter().duplicateInitializationOfBlankFinalField(lastFieldBinding, this); |
173 |
} else { |
174 |
flowContext.recordSettingFinal(lastFieldBinding, this, flowInfo); |
175 |
} |
176 |
flowInfo.markAsDefinitelyAssigned(lastFieldBinding); |
177 |
} else { |
178 |
currentScope.problemReporter().cannotAssignToFinalField(lastFieldBinding, this); |
179 |
if (currentScope.allowBlankFinalFieldAssignment(lastFieldBinding)) { // pretend it got assigned |
180 |
flowInfo.markAsDefinitelyAssigned(lastFieldBinding); |
181 |
} |
182 |
} |
183 |
} |
140 |
} |
184 |
// equivalent to valuesRequired[maxOtherBindings] |
|
|
185 |
TypeBinding lastReceiverType; |
141 |
TypeBinding lastReceiverType; |
186 |
switch (otherBindingsCount) { |
142 |
switch (otherBindingsCount) { |
187 |
case 0 : |
143 |
case 0 : |
Lines 190-320
Link Here
|
190 |
case 1 : |
146 |
case 1 : |
191 |
lastReceiverType = ((VariableBinding)this.binding).type; |
147 |
lastReceiverType = ((VariableBinding)this.binding).type; |
192 |
break; |
148 |
break; |
193 |
default : |
149 |
default: |
194 |
lastReceiverType = this.otherBindings[otherBindingsCount-2].type; |
150 |
lastReceiverType = this.otherBindings[otherBindingsCount-2].type; |
195 |
break; |
151 |
break; |
196 |
} |
152 |
} |
197 |
manageSyntheticAccessIfNecessary(currentScope, lastFieldBinding, lastReceiverType, -1 /*write-access*/, flowInfo); |
153 |
manageSyntheticAccessIfNecessary( |
198 |
|
154 |
currentScope, |
199 |
return flowInfo; |
155 |
lastFieldBinding, |
|
|
156 |
lastReceiverType, |
157 |
otherBindingsCount, |
158 |
flowInfo); |
200 |
} |
159 |
} |
201 |
|
160 |
|
202 |
public FlowInfo analyseCode( |
161 |
if (assignment.expression != null) { |
203 |
BlockScope currentScope, |
162 |
flowInfo = |
204 |
FlowContext flowContext, |
163 |
assignment |
205 |
FlowInfo flowInfo) { |
164 |
.expression |
206 |
|
165 |
.analyseCode(currentScope, flowContext, flowInfo) |
207 |
return analyseCode(currentScope, flowContext, flowInfo, true); |
166 |
.unconditionalInits(); |
208 |
} |
167 |
} |
209 |
|
168 |
|
210 |
public FlowInfo analyseCode( |
169 |
// the last field access is a write access |
211 |
BlockScope currentScope, |
170 |
if (lastFieldBinding.isFinal()) { |
212 |
FlowContext flowContext, |
171 |
// in a context where it can be assigned? |
213 |
FlowInfo flowInfo, |
172 |
if (otherBindingsCount == 0 |
214 |
boolean valueRequired) { |
173 |
&& this.indexOfFirstFieldBinding == 1 |
215 |
|
174 |
&& lastFieldBinding.isBlankFinal() |
216 |
// determine the rank until which we now we do not need any actual value for the field access |
175 |
&& !isCompound |
217 |
int otherBindingsCount = otherBindings == null ? 0 : otherBindings.length; |
176 |
&& currentScope.allowBlankFinalFieldAssignment(lastFieldBinding)) { |
218 |
|
177 |
if (flowInfo.isPotentiallyAssigned(lastFieldBinding)) { |
219 |
boolean needValue = otherBindingsCount == 0 ? valueRequired : !this.otherBindings[0].isStatic(); |
178 |
currentScope.problemReporter().duplicateInitializationOfBlankFinalField(lastFieldBinding, this); |
220 |
boolean complyTo14 = currentScope.compilerOptions().complianceLevel >= ClassFileConstants.JDK1_4; |
179 |
} else { |
221 |
switch (bits & RestrictiveFlagMASK) { |
180 |
flowContext.recordSettingFinal(lastFieldBinding, this, flowInfo); |
222 |
case Binding.FIELD : // reading a field |
181 |
} |
223 |
if (needValue || complyTo14) { |
182 |
flowInfo.markAsDefinitelyAssigned(lastFieldBinding); |
224 |
manageSyntheticAccessIfNecessary(currentScope, (FieldBinding) binding, this.actualReceiverType, 0, flowInfo); |
183 |
} else { |
225 |
} |
184 |
currentScope.problemReporter().cannotAssignToFinalField(lastFieldBinding, this); |
226 |
if (this.indexOfFirstFieldBinding == 1) { // was an implicit reference to the first field binding |
185 |
if (otherBindingsCount == 0 && currentScope.allowBlankFinalFieldAssignment(lastFieldBinding)) { // pretend it got assigned |
227 |
FieldBinding fieldBinding = (FieldBinding) binding; |
186 |
flowInfo.markAsDefinitelyAssigned(lastFieldBinding); |
228 |
ReferenceBinding declaringClass = fieldBinding.declaringClass; |
187 |
} |
229 |
// check if accessing enum static field in initializer |
|
|
230 |
if (declaringClass.isEnum()) { |
231 |
MethodScope methodScope = currentScope.methodScope(); |
232 |
SourceTypeBinding sourceType = methodScope.enclosingSourceType(); |
233 |
if (fieldBinding.isStatic() |
234 |
&& (sourceType == declaringClass || sourceType.superclass == declaringClass) // enum constant body |
235 |
&& fieldBinding.constant() == Constant.NotAConstant |
236 |
&& !methodScope.isStatic |
237 |
&& methodScope.isInsideInitializerOrConstructor()) { |
238 |
currentScope.problemReporter().enumStaticFieldUsedDuringInitialization(fieldBinding, this); |
239 |
} |
240 |
} |
241 |
// check if reading a final blank field |
242 |
if (fieldBinding.isBlankFinal() |
243 |
&& currentScope.allowBlankFinalFieldAssignment(fieldBinding) |
244 |
&& !flowInfo.isDefinitelyAssigned(fieldBinding)) { |
245 |
currentScope.problemReporter().uninitializedBlankFinalField(fieldBinding, this); |
246 |
} |
247 |
} |
248 |
break; |
249 |
case Binding.LOCAL : // reading a local variable |
250 |
LocalVariableBinding localBinding; |
251 |
if (!flowInfo |
252 |
.isDefinitelyAssigned(localBinding = (LocalVariableBinding) binding)) { |
253 |
currentScope.problemReporter().uninitializedLocalVariable(localBinding, this); |
254 |
} |
255 |
if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) == 0) { |
256 |
localBinding.useFlag = LocalVariableBinding.USED; |
257 |
} else if (localBinding.useFlag == LocalVariableBinding.UNUSED) { |
258 |
localBinding.useFlag = LocalVariableBinding.FAKE_USED; |
259 |
} |
260 |
checkNPE(currentScope, flowContext, flowInfo, true); |
261 |
} |
188 |
} |
262 |
if (needValue) { |
189 |
} |
263 |
manageEnclosingInstanceAccessIfNecessary(currentScope, flowInfo); |
190 |
// equivalent to valuesRequired[maxOtherBindings] |
264 |
// only for first binding (if value needed only) |
191 |
TypeBinding lastReceiverType; |
265 |
} |
192 |
switch (otherBindingsCount) { |
266 |
if (otherBindings != null) { |
193 |
case 0 : |
267 |
for (int i = 0; i < otherBindingsCount; i++) { |
194 |
lastReceiverType = this.actualReceiverType; |
268 |
needValue = i < otherBindingsCount-1 ? !otherBindings[i+1].isStatic() : valueRequired; |
195 |
break; |
269 |
if (needValue || complyTo14) { |
196 |
case 1 : |
270 |
TypeBinding lastReceiverType = getGenericCast(i); |
197 |
lastReceiverType = ((VariableBinding)this.binding).type; |
271 |
if (lastReceiverType == null) { |
198 |
break; |
272 |
if (i == 0) { |
199 |
default : |
273 |
lastReceiverType = ((VariableBinding)binding).type; |
200 |
lastReceiverType = this.otherBindings[otherBindingsCount-2].type; |
274 |
} else { |
201 |
break; |
275 |
lastReceiverType = otherBindings[i-1].type; |
202 |
} |
276 |
} |
203 |
manageSyntheticAccessIfNecessary(currentScope, lastFieldBinding, lastReceiverType, -1 /*write-access*/, flowInfo); |
|
|
204 |
|
205 |
return flowInfo; |
206 |
} |
207 |
|
208 |
public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo) { |
209 |
return analyseCode(currentScope, flowContext, flowInfo, true); |
210 |
} |
211 |
|
212 |
public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo, boolean valueRequired) { |
213 |
// determine the rank until which we now we do not need any actual value for the field access |
214 |
int otherBindingsCount = this.otherBindings == null ? 0 : this.otherBindings.length; |
215 |
|
216 |
boolean needValue = otherBindingsCount == 0 ? valueRequired : !this.otherBindings[0].isStatic(); |
217 |
boolean complyTo14 = currentScope.compilerOptions().complianceLevel >= ClassFileConstants.JDK1_4; |
218 |
switch (this.bits & ASTNode.RestrictiveFlagMASK) { |
219 |
case Binding.FIELD : // reading a field |
220 |
if (needValue || complyTo14) { |
221 |
manageSyntheticAccessIfNecessary(currentScope, (FieldBinding) this.binding, this.actualReceiverType, 0, flowInfo); |
222 |
} |
223 |
if (this.indexOfFirstFieldBinding == 1) { // was an implicit reference to the first field binding |
224 |
FieldBinding fieldBinding = (FieldBinding) this.binding; |
225 |
ReferenceBinding declaringClass = fieldBinding.declaringClass; |
226 |
// check if accessing enum static field in initializer |
227 |
if (declaringClass.isEnum()) { |
228 |
MethodScope methodScope = currentScope.methodScope(); |
229 |
SourceTypeBinding sourceType = methodScope.enclosingSourceType(); |
230 |
if (fieldBinding.isStatic() |
231 |
&& (sourceType == declaringClass || sourceType.superclass == declaringClass) // enum constant body |
232 |
&& fieldBinding.constant() == Constant.NotAConstant |
233 |
&& !methodScope.isStatic |
234 |
&& methodScope.isInsideInitializerOrConstructor()) { |
235 |
currentScope.problemReporter().enumStaticFieldUsedDuringInitialization(fieldBinding, this); |
236 |
} |
237 |
} |
238 |
// check if reading a final blank field |
239 |
if (fieldBinding.isBlankFinal() |
240 |
&& currentScope.allowBlankFinalFieldAssignment(fieldBinding) |
241 |
&& !flowInfo.isDefinitelyAssigned(fieldBinding)) { |
242 |
currentScope.problemReporter().uninitializedBlankFinalField(fieldBinding, this); |
243 |
} |
244 |
} |
245 |
break; |
246 |
case Binding.LOCAL : // reading a local variable |
247 |
LocalVariableBinding localBinding; |
248 |
if (!flowInfo |
249 |
.isDefinitelyAssigned(localBinding = (LocalVariableBinding) this.binding)) { |
250 |
currentScope.problemReporter().uninitializedLocalVariable(localBinding, this); |
251 |
} |
252 |
if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) == 0) { |
253 |
localBinding.useFlag = LocalVariableBinding.USED; |
254 |
} else if (localBinding.useFlag == LocalVariableBinding.UNUSED) { |
255 |
localBinding.useFlag = LocalVariableBinding.FAKE_USED; |
256 |
} |
257 |
checkNPE(currentScope, flowContext, flowInfo, true); |
258 |
} |
259 |
if (needValue) { |
260 |
manageEnclosingInstanceAccessIfNecessary(currentScope, flowInfo); |
261 |
// only for first binding (if value needed only) |
262 |
} |
263 |
if (this.otherBindings != null) { |
264 |
for (int i = 0; i < otherBindingsCount; i++) { |
265 |
needValue = i < otherBindingsCount-1 ? !this.otherBindings[i+1].isStatic() : valueRequired; |
266 |
if (needValue || complyTo14) { |
267 |
TypeBinding lastReceiverType = getGenericCast(i); |
268 |
if (lastReceiverType == null) { |
269 |
if (i == 0) { |
270 |
lastReceiverType = ((VariableBinding)this.binding).type; |
271 |
} else { |
272 |
lastReceiverType = this.otherBindings[i-1].type; |
277 |
} |
273 |
} |
278 |
manageSyntheticAccessIfNecessary( |
|
|
279 |
currentScope, |
280 |
otherBindings[i], |
281 |
lastReceiverType, |
282 |
i + 1, |
283 |
flowInfo); |
284 |
} |
274 |
} |
|
|
275 |
manageSyntheticAccessIfNecessary( |
276 |
currentScope, |
277 |
this.otherBindings[i], |
278 |
lastReceiverType, |
279 |
i + 1, |
280 |
flowInfo); |
285 |
} |
281 |
} |
286 |
} |
282 |
} |
287 |
return flowInfo; |
|
|
288 |
} |
289 |
/** |
290 |
* Check and/or redirect the field access to the delegate receiver if any |
291 |
*/ |
292 |
public TypeBinding checkFieldAccess(BlockScope scope) { |
293 |
FieldBinding fieldBinding = (FieldBinding) binding; |
294 |
MethodScope methodScope = scope.methodScope(); |
295 |
// check for forward references |
296 |
if (this.indexOfFirstFieldBinding == 1 |
297 |
&& methodScope.enclosingSourceType() == fieldBinding.original().declaringClass |
298 |
&& methodScope.lastVisibleFieldID >= 0 |
299 |
&& fieldBinding.id >= methodScope.lastVisibleFieldID |
300 |
&& (!fieldBinding.isStatic() || methodScope.isStatic)) { |
301 |
scope.problemReporter().forwardReference(this, 0, methodScope.enclosingSourceType()); |
302 |
} |
303 |
bits &= ~RestrictiveFlagMASK; // clear bits |
304 |
bits |= Binding.FIELD; |
305 |
return getOtherFieldBindings(scope); |
306 |
} |
283 |
} |
|
|
284 |
return flowInfo; |
285 |
} |
286 |
|
287 |
/** |
288 |
* Check and/or redirect the field access to the delegate receiver if any |
289 |
*/ |
290 |
public TypeBinding checkFieldAccess(BlockScope scope) { |
291 |
FieldBinding fieldBinding = (FieldBinding) this.binding; |
292 |
MethodScope methodScope = scope.methodScope(); |
293 |
// check for forward references |
294 |
if (this.indexOfFirstFieldBinding == 1 |
295 |
&& methodScope.enclosingSourceType() == fieldBinding.original().declaringClass |
296 |
&& methodScope.lastVisibleFieldID >= 0 |
297 |
&& fieldBinding.id >= methodScope.lastVisibleFieldID |
298 |
&& (!fieldBinding.isStatic() || methodScope.isStatic)) { |
299 |
scope.problemReporter().forwardReference(this, 0, methodScope.enclosingSourceType()); |
300 |
} |
301 |
this.bits &= ~ASTNode.RestrictiveFlagMASK; // clear bits |
302 |
this.bits |= Binding.FIELD; |
303 |
return getOtherFieldBindings(scope); |
304 |
} |
307 |
|
305 |
|
308 |
public void checkNPE(BlockScope scope, FlowContext flowContext, |
306 |
public void checkNPE(BlockScope scope, FlowContext flowContext, FlowInfo flowInfo, boolean checkString) { |
309 |
FlowInfo flowInfo, boolean checkString) { |
|
|
310 |
// cannot override localVariableBinding because this would project o.m onto o when |
307 |
// cannot override localVariableBinding because this would project o.m onto o when |
311 |
// analysing assignments |
308 |
// analysing assignments |
312 |
if ((bits & RestrictiveFlagMASK) == Binding.LOCAL) { |
309 |
if ((this.bits & ASTNode.RestrictiveFlagMASK) == Binding.LOCAL) { |
313 |
LocalVariableBinding local = (LocalVariableBinding) this.binding; |
310 |
LocalVariableBinding local = (LocalVariableBinding) this.binding; |
314 |
if (local != null && |
311 |
if (local != null && |
315 |
(local.type.tagBits & TagBits.IsBaseType) == 0 && |
312 |
(local.type.tagBits & TagBits.IsBaseType) == 0 && |
316 |
(checkString || local.type.id != T_JavaLangString)) { |
313 |
(checkString || local.type.id != TypeIds.T_JavaLangString)) { |
317 |
if ((this.bits & IsNonNull) == 0) { |
314 |
if ((this.bits & ASTNode.IsNonNull) == 0) { |
318 |
flowContext.recordUsingNullReference(scope, local, this, |
315 |
flowContext.recordUsingNullReference(scope, local, this, |
319 |
FlowContext.MAY_NULL, flowInfo); |
316 |
FlowContext.MAY_NULL, flowInfo); |
320 |
} |
317 |
} |
Lines 326-894
Link Here
|
326 |
} |
323 |
} |
327 |
} |
324 |
} |
328 |
} |
325 |
} |
329 |
/** |
326 |
|
330 |
* @see org.eclipse.jdt.internal.compiler.ast.Expression#computeConversion(org.eclipse.jdt.internal.compiler.lookup.Scope, org.eclipse.jdt.internal.compiler.lookup.TypeBinding, org.eclipse.jdt.internal.compiler.lookup.TypeBinding) |
327 |
/** |
331 |
*/ |
328 |
* @see org.eclipse.jdt.internal.compiler.ast.Expression#computeConversion(org.eclipse.jdt.internal.compiler.lookup.Scope, org.eclipse.jdt.internal.compiler.lookup.TypeBinding, org.eclipse.jdt.internal.compiler.lookup.TypeBinding) |
332 |
public void computeConversion(Scope scope, TypeBinding runtimeTimeType, TypeBinding compileTimeType) { |
329 |
*/ |
333 |
if (runtimeTimeType == null || compileTimeType == null) |
330 |
public void computeConversion(Scope scope, TypeBinding runtimeTimeType, TypeBinding compileTimeType) { |
334 |
return; |
331 |
if (runtimeTimeType == null || compileTimeType == null) |
335 |
// set the generic cast after the fact, once the type expectation is fully known (no need for strict cast) |
332 |
return; |
336 |
FieldBinding field = null; |
333 |
// set the generic cast after the fact, once the type expectation is fully known (no need for strict cast) |
337 |
int length = this.otherBindings == null ? 0 : this.otherBindings.length; |
334 |
FieldBinding field = null; |
338 |
if (length == 0) { |
335 |
int length = this.otherBindings == null ? 0 : this.otherBindings.length; |
339 |
if ((this.bits & Binding.FIELD) != 0 && this.binding != null && this.binding.isValidBinding()) { |
336 |
if (length == 0) { |
340 |
field = (FieldBinding) this.binding; |
337 |
if ((this.bits & Binding.FIELD) != 0 && this.binding != null && this.binding.isValidBinding()) { |
341 |
} |
338 |
field = (FieldBinding) this.binding; |
342 |
} else { |
|
|
343 |
field = this.otherBindings[length-1]; |
344 |
} |
345 |
if (field != null) { |
346 |
FieldBinding originalBinding = field.original(); |
347 |
TypeBinding originalType = originalBinding.type; |
348 |
// extra cast needed if method return type has type variable |
349 |
if (originalBinding != field |
350 |
&& originalType != field.type |
351 |
&& runtimeTimeType.id != T_JavaLangObject |
352 |
&& (originalType.tagBits & TagBits.HasTypeVariable) != 0) { |
353 |
TypeBinding targetType = (!compileTimeType.isBaseType() && runtimeTimeType.isBaseType()) |
354 |
? compileTimeType // unboxing: checkcast before conversion |
355 |
: runtimeTimeType; |
356 |
setGenericCast(length, originalType.genericCast(targetType)); |
357 |
} |
358 |
} |
359 |
super.computeConversion(scope, runtimeTimeType, compileTimeType); |
360 |
} |
361 |
|
362 |
public void generateAssignment( |
363 |
BlockScope currentScope, |
364 |
CodeStream codeStream, |
365 |
Assignment assignment, |
366 |
boolean valueRequired) { |
367 |
|
368 |
int pc = codeStream.position; |
369 |
FieldBinding lastFieldBinding = generateReadSequence(currentScope, codeStream); |
370 |
codeStream.recordPositionsFrom(pc , this.sourceStart); |
371 |
assignment.expression.generateCode(currentScope, codeStream, true); |
372 |
fieldStore(codeStream, lastFieldBinding, syntheticWriteAccessor, valueRequired); |
373 |
// equivalent to valuesRequired[maxOtherBindings] |
374 |
if (valueRequired) { |
375 |
codeStream.generateImplicitConversion(assignment.implicitConversion); |
376 |
} |
339 |
} |
|
|
340 |
} else { |
341 |
field = this.otherBindings[length-1]; |
342 |
} |
343 |
if (field != null) { |
344 |
FieldBinding originalBinding = field.original(); |
345 |
TypeBinding originalType = originalBinding.type; |
346 |
// extra cast needed if method return type has type variable |
347 |
if (originalBinding != field |
348 |
&& originalType != field.type |
349 |
&& runtimeTimeType.id != TypeIds.T_JavaLangObject |
350 |
&& (originalType.tagBits & TagBits.HasTypeVariable) != 0) { |
351 |
TypeBinding targetType = (!compileTimeType.isBaseType() && runtimeTimeType.isBaseType()) |
352 |
? compileTimeType // unboxing: checkcast before conversion |
353 |
: runtimeTimeType; |
354 |
setGenericCast(length, originalType.genericCast(targetType)); |
355 |
} |
377 |
} |
356 |
} |
|
|
357 |
super.computeConversion(scope, runtimeTimeType, compileTimeType); |
358 |
} |
378 |
|
359 |
|
379 |
public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) { |
360 |
public void generateAssignment(BlockScope currentScope, CodeStream codeStream, Assignment assignment, boolean valueRequired) { |
380 |
int pc = codeStream.position; |
361 |
int pc = codeStream.position; |
381 |
if (constant != Constant.NotAConstant) { |
362 |
FieldBinding lastFieldBinding = generateReadSequence(currentScope, codeStream); |
382 |
if (valueRequired) { |
363 |
codeStream.recordPositionsFrom(pc , this.sourceStart); |
383 |
codeStream.generateConstant(constant, implicitConversion); |
364 |
assignment.expression.generateCode(currentScope, codeStream, true); |
384 |
} |
365 |
fieldStore(codeStream, lastFieldBinding, this.syntheticWriteAccessor, valueRequired); |
385 |
} else { |
366 |
// equivalent to valuesRequired[maxOtherBindings] |
386 |
FieldBinding lastFieldBinding = generateReadSequence(currentScope, codeStream); |
367 |
if (valueRequired) { |
387 |
if (lastFieldBinding != null) { |
368 |
codeStream.generateImplicitConversion(assignment.implicitConversion); |
388 |
boolean isStatic = lastFieldBinding.isStatic(); |
369 |
} |
389 |
Constant fieldConstant = lastFieldBinding.constant(); |
370 |
} |
390 |
if (fieldConstant != Constant.NotAConstant) { |
371 |
|
391 |
if (!isStatic){ |
372 |
public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) { |
392 |
codeStream.invokeObjectGetClass(); |
373 |
int pc = codeStream.position; |
393 |
codeStream.pop(); |
374 |
if (this.constant != Constant.NotAConstant) { |
394 |
} |
375 |
if (valueRequired) { |
395 |
if (valueRequired) { // inline the last field constant |
376 |
codeStream.generateConstant(this.constant, this.implicitConversion); |
396 |
codeStream.generateConstant(fieldConstant, implicitConversion); |
377 |
} |
397 |
} |
378 |
} else { |
398 |
} else { |
379 |
FieldBinding lastFieldBinding = generateReadSequence(currentScope, codeStream); |
399 |
boolean isFirst = lastFieldBinding == this.binding |
380 |
if (lastFieldBinding != null) { |
400 |
&& (this.indexOfFirstFieldBinding == 1 || lastFieldBinding.declaringClass == currentScope.enclosingReceiverType()) |
381 |
boolean isStatic = lastFieldBinding.isStatic(); |
401 |
&& this.otherBindings == null; // could be dup: next.next.next |
382 |
Constant fieldConstant = lastFieldBinding.constant(); |
402 |
TypeBinding requiredGenericCast = getGenericCast(this.otherCodegenBindings == null ? 0 : this.otherCodegenBindings.length); |
383 |
if (fieldConstant != Constant.NotAConstant) { |
403 |
if (valueRequired |
384 |
if (!isStatic){ |
404 |
|| (!isFirst && currentScope.compilerOptions().complianceLevel >= ClassFileConstants.JDK1_4) |
385 |
codeStream.invokeObjectGetClass(); |
405 |
|| ((implicitConversion & TypeIds.UNBOXING) != 0) |
386 |
codeStream.pop(); |
406 |
|| requiredGenericCast != null) { |
387 |
} |
407 |
int lastFieldPc = codeStream.position; |
388 |
if (valueRequired) { // inline the last field constant |
408 |
if (lastFieldBinding.declaringClass == null) { // array length |
389 |
codeStream.generateConstant(fieldConstant, this.implicitConversion); |
409 |
codeStream.arraylength(); |
390 |
} |
410 |
if (valueRequired) { |
391 |
} else { |
411 |
codeStream.generateImplicitConversion(implicitConversion); |
392 |
boolean isFirst = lastFieldBinding == this.binding |
412 |
} else { |
393 |
&& (this.indexOfFirstFieldBinding == 1 || lastFieldBinding.declaringClass == currentScope.enclosingReceiverType()) |
413 |
// could occur if !valueRequired but compliance >= 1.4 |
394 |
&& this.otherBindings == null; // could be dup: next.next.next |
414 |
codeStream.pop(); |
395 |
TypeBinding requiredGenericCast = getGenericCast(this.otherCodegenBindings == null ? 0 : this.otherCodegenBindings.length); |
415 |
} |
396 |
if (valueRequired |
|
|
397 |
|| (!isFirst && currentScope.compilerOptions().complianceLevel >= ClassFileConstants.JDK1_4) |
398 |
|| ((this.implicitConversion & TypeIds.UNBOXING) != 0) |
399 |
|| requiredGenericCast != null) { |
400 |
int lastFieldPc = codeStream.position; |
401 |
if (lastFieldBinding.declaringClass == null) { // array length |
402 |
codeStream.arraylength(); |
403 |
if (valueRequired) { |
404 |
codeStream.generateImplicitConversion(this.implicitConversion); |
416 |
} else { |
405 |
} else { |
417 |
SyntheticMethodBinding accessor = |
406 |
// could occur if !valueRequired but compliance >= 1.4 |
418 |
syntheticReadAccessors == null |
407 |
codeStream.pop(); |
419 |
? null |
408 |
} |
420 |
: syntheticReadAccessors[syntheticReadAccessors.length - 1]; |
409 |
} else { |
421 |
if (accessor == null) { |
410 |
SyntheticMethodBinding accessor = |
422 |
if (isStatic) { |
411 |
this.syntheticReadAccessors == null |
423 |
codeStream.getstatic(lastFieldBinding); |
412 |
? null |
424 |
} else { |
413 |
: this.syntheticReadAccessors[this.syntheticReadAccessors.length - 1]; |
425 |
codeStream.getfield(lastFieldBinding); |
414 |
if (accessor == null) { |
426 |
} |
415 |
if (isStatic) { |
427 |
} else { |
416 |
codeStream.getstatic(lastFieldBinding); |
428 |
codeStream.invokestatic(accessor); |
|
|
429 |
} |
430 |
if (requiredGenericCast != null) codeStream.checkcast(requiredGenericCast); |
431 |
if (valueRequired) { |
432 |
codeStream.generateImplicitConversion(implicitConversion); |
433 |
} else { |
417 |
} else { |
434 |
boolean isUnboxing = (implicitConversion & TypeIds.UNBOXING) != 0; |
418 |
codeStream.getfield(lastFieldBinding); |
435 |
// conversion only generated if unboxing |
|
|
436 |
if (isUnboxing) codeStream.generateImplicitConversion(implicitConversion); |
437 |
switch (isUnboxing ? postConversionType(currentScope).id : lastFieldBinding.type.id) { |
438 |
case T_long : |
439 |
case T_double : |
440 |
codeStream.pop2(); |
441 |
break; |
442 |
default : |
443 |
codeStream.pop(); |
444 |
} |
445 |
} |
419 |
} |
|
|
420 |
} else { |
421 |
codeStream.invokestatic(accessor); |
446 |
} |
422 |
} |
447 |
|
423 |
if (requiredGenericCast != null) codeStream.checkcast(requiredGenericCast); |
448 |
int fieldPosition = (int) (this.sourcePositions[this.sourcePositions.length - 1] >>> 32); |
424 |
if (valueRequired) { |
449 |
codeStream.recordPositionsFrom(lastFieldPc, fieldPosition); |
425 |
codeStream.generateImplicitConversion(this.implicitConversion); |
450 |
} else { |
426 |
} else { |
451 |
if (!isStatic){ |
427 |
boolean isUnboxing = (this.implicitConversion & TypeIds.UNBOXING) != 0; |
452 |
codeStream.invokeObjectGetClass(); // perform null check |
428 |
// conversion only generated if unboxing |
453 |
codeStream.pop(); |
429 |
if (isUnboxing) codeStream.generateImplicitConversion(this.implicitConversion); |
|
|
430 |
switch (isUnboxing ? postConversionType(currentScope).id : lastFieldBinding.type.id) { |
431 |
case T_long : |
432 |
case T_double : |
433 |
codeStream.pop2(); |
434 |
break; |
435 |
default : |
436 |
codeStream.pop(); |
437 |
} |
454 |
} |
438 |
} |
455 |
} |
439 |
} |
456 |
} |
440 |
|
|
|
441 |
int fieldPosition = (int) (this.sourcePositions[this.sourcePositions.length - 1] >>> 32); |
442 |
codeStream.recordPositionsFrom(lastFieldPc, fieldPosition); |
443 |
} else { |
444 |
if (!isStatic){ |
445 |
codeStream.invokeObjectGetClass(); // perform null check |
446 |
codeStream.pop(); |
447 |
} |
448 |
} |
457 |
} |
449 |
} |
458 |
} |
450 |
} |
459 |
codeStream.recordPositionsFrom(pc, this.sourceStart); |
|
|
460 |
} |
451 |
} |
461 |
public void generateCompoundAssignment( |
452 |
codeStream.recordPositionsFrom(pc, this.sourceStart); |
462 |
BlockScope currentScope, |
453 |
} |
463 |
CodeStream codeStream, |
454 |
|
464 |
Expression expression, |
455 |
public void generateCompoundAssignment( |
465 |
int operator, |
456 |
BlockScope currentScope, |
466 |
int assignmentImplicitConversion, |
457 |
CodeStream codeStream, |
467 |
boolean valueRequired) { |
458 |
Expression expression, |
468 |
|
459 |
int operator, |
469 |
FieldBinding lastFieldBinding = generateReadSequence(currentScope, codeStream); |
460 |
int assignmentImplicitConversion, |
470 |
SyntheticMethodBinding accessor = |
461 |
boolean valueRequired) { |
471 |
syntheticReadAccessors == null |
462 |
|
472 |
? null |
463 |
FieldBinding lastFieldBinding = generateReadSequence(currentScope, codeStream); |
473 |
: syntheticReadAccessors[syntheticReadAccessors.length - 1]; |
464 |
SyntheticMethodBinding accessor = |
474 |
if (lastFieldBinding.isStatic()) { |
465 |
this.syntheticReadAccessors == null |
475 |
if (accessor == null) { |
466 |
? null |
476 |
codeStream.getstatic(lastFieldBinding); |
467 |
: this.syntheticReadAccessors[this.syntheticReadAccessors.length - 1]; |
477 |
} else { |
468 |
if (lastFieldBinding.isStatic()) { |
478 |
codeStream.invokestatic(accessor); |
469 |
if (accessor == null) { |
479 |
} |
470 |
codeStream.getstatic(lastFieldBinding); |
|
|
471 |
} else { |
472 |
codeStream.invokestatic(accessor); |
473 |
} |
474 |
} else { |
475 |
codeStream.dup(); |
476 |
if (accessor == null) { |
477 |
codeStream.getfield(lastFieldBinding); |
480 |
} else { |
478 |
} else { |
481 |
codeStream.dup(); |
479 |
codeStream.invokestatic(accessor); |
482 |
if (accessor == null) { |
480 |
} |
483 |
codeStream.getfield(lastFieldBinding); |
481 |
} |
|
|
482 |
// the last field access is a write access |
483 |
// perform the actual compound operation |
484 |
int operationTypeID; |
485 |
switch(operationTypeID = (this.implicitConversion & TypeIds.IMPLICIT_CONVERSION_MASK) >> 4) { |
486 |
case T_JavaLangString : |
487 |
case T_JavaLangObject : |
488 |
case T_undefined : |
489 |
codeStream.generateStringConcatenationAppend(currentScope, null, expression); |
490 |
break; |
491 |
default : |
492 |
TypeBinding requiredGenericCast = getGenericCast(this.otherCodegenBindings == null ? 0 : this.otherCodegenBindings.length); |
493 |
if (requiredGenericCast != null) codeStream.checkcast(requiredGenericCast); |
494 |
// promote the array reference to the suitable operation type |
495 |
codeStream.generateImplicitConversion(this.implicitConversion); |
496 |
// generate the increment value (will by itself be promoted to the operation value) |
497 |
if (expression == IntLiteral.One) { // prefix operation |
498 |
codeStream.generateConstant(expression.constant, this.implicitConversion); |
484 |
} else { |
499 |
} else { |
485 |
codeStream.invokestatic(accessor); |
500 |
expression.generateCode(currentScope, codeStream, true); |
486 |
} |
501 |
} |
|
|
502 |
// perform the operation |
503 |
codeStream.sendOperator(operator, operationTypeID); |
504 |
// cast the value back to the array reference type |
505 |
codeStream.generateImplicitConversion(assignmentImplicitConversion); |
506 |
} |
507 |
// actual assignment |
508 |
fieldStore(codeStream, lastFieldBinding, this.syntheticWriteAccessor, valueRequired); |
509 |
// equivalent to valuesRequired[maxOtherBindings] |
510 |
} |
511 |
|
512 |
public void generatePostIncrement( |
513 |
BlockScope currentScope, |
514 |
CodeStream codeStream, |
515 |
CompoundAssignment postIncrement, |
516 |
boolean valueRequired) { |
517 |
|
518 |
FieldBinding lastFieldBinding = generateReadSequence(currentScope, codeStream); |
519 |
SyntheticMethodBinding accessor = |
520 |
this.syntheticReadAccessors == null |
521 |
? null |
522 |
: this.syntheticReadAccessors[this.syntheticReadAccessors.length - 1]; |
523 |
if (lastFieldBinding.isStatic()) { |
524 |
if (accessor == null) { |
525 |
codeStream.getstatic(lastFieldBinding); |
526 |
} else { |
527 |
codeStream.invokestatic(accessor); |
528 |
} |
529 |
} else { |
530 |
codeStream.dup(); |
531 |
if (accessor == null) { |
532 |
codeStream.getfield(lastFieldBinding); |
533 |
} else { |
534 |
codeStream.invokestatic(accessor); |
487 |
} |
535 |
} |
488 |
// the last field access is a write access |
|
|
489 |
// perform the actual compound operation |
490 |
int operationTypeID; |
491 |
switch(operationTypeID = (implicitConversion & IMPLICIT_CONVERSION_MASK) >> 4) { |
492 |
case T_JavaLangString : |
493 |
case T_JavaLangObject : |
494 |
case T_undefined : |
495 |
codeStream.generateStringConcatenationAppend(currentScope, null, expression); |
496 |
break; |
497 |
default : |
498 |
TypeBinding requiredGenericCast = getGenericCast(this.otherCodegenBindings == null ? 0 : this.otherCodegenBindings.length); |
499 |
if (requiredGenericCast != null) codeStream.checkcast(requiredGenericCast); |
500 |
// promote the array reference to the suitable operation type |
501 |
codeStream.generateImplicitConversion(implicitConversion); |
502 |
// generate the increment value (will by itself be promoted to the operation value) |
503 |
if (expression == IntLiteral.One) { // prefix operation |
504 |
codeStream.generateConstant(expression.constant, implicitConversion); |
505 |
} else { |
506 |
expression.generateCode(currentScope, codeStream, true); |
507 |
} |
508 |
// perform the operation |
509 |
codeStream.sendOperator(operator, operationTypeID); |
510 |
// cast the value back to the array reference type |
511 |
codeStream.generateImplicitConversion(assignmentImplicitConversion); |
512 |
} |
513 |
// actual assignment |
514 |
fieldStore(codeStream, lastFieldBinding, syntheticWriteAccessor, valueRequired); |
515 |
// equivalent to valuesRequired[maxOtherBindings] |
516 |
} |
536 |
} |
517 |
|
537 |
// duplicate the old field value |
518 |
public void generatePostIncrement( |
538 |
if (valueRequired) { |
519 |
BlockScope currentScope, |
|
|
520 |
CodeStream codeStream, |
521 |
CompoundAssignment postIncrement, |
522 |
boolean valueRequired) { |
523 |
|
524 |
FieldBinding lastFieldBinding = generateReadSequence(currentScope, codeStream); |
525 |
SyntheticMethodBinding accessor = |
526 |
syntheticReadAccessors == null |
527 |
? null |
528 |
: syntheticReadAccessors[syntheticReadAccessors.length - 1]; |
529 |
if (lastFieldBinding.isStatic()) { |
539 |
if (lastFieldBinding.isStatic()) { |
530 |
if (accessor == null) { |
540 |
if ((lastFieldBinding.type == TypeBinding.LONG) |
531 |
codeStream.getstatic(lastFieldBinding); |
541 |
|| (lastFieldBinding.type == TypeBinding.DOUBLE)) { |
|
|
542 |
codeStream.dup2(); |
532 |
} else { |
543 |
} else { |
533 |
codeStream.invokestatic(accessor); |
544 |
codeStream.dup(); |
534 |
} |
545 |
} |
535 |
} else { |
546 |
} else { // Stack: [owner][old field value] ---> [old field value][owner][old field value] |
536 |
codeStream.dup(); |
547 |
if ((lastFieldBinding.type == TypeBinding.LONG) |
537 |
if (accessor == null) { |
548 |
|| (lastFieldBinding.type == TypeBinding.DOUBLE)) { |
538 |
codeStream.getfield(lastFieldBinding); |
549 |
codeStream.dup2_x1(); |
539 |
} else { |
550 |
} else { |
540 |
codeStream.invokestatic(accessor); |
551 |
codeStream.dup_x1(); |
541 |
} |
552 |
} |
542 |
} |
553 |
} |
543 |
// duplicate the old field value |
554 |
} |
544 |
if (valueRequired) { |
555 |
TypeBinding requiredGenericCast = getGenericCast(this.otherCodegenBindings == null ? 0 : this.otherCodegenBindings.length); |
545 |
if (lastFieldBinding.isStatic()) { |
556 |
if (requiredGenericCast != null) codeStream.checkcast(requiredGenericCast); |
546 |
if ((lastFieldBinding.type == TypeBinding.LONG) |
557 |
|
547 |
|| (lastFieldBinding.type == TypeBinding.DOUBLE)) { |
558 |
codeStream.generateImplicitConversion(this.implicitConversion); |
548 |
codeStream.dup2(); |
559 |
codeStream.generateConstant( |
|
|
560 |
postIncrement.expression.constant, |
561 |
this.implicitConversion); |
562 |
codeStream.sendOperator(postIncrement.operator, this.implicitConversion & TypeIds.COMPILE_TYPE_MASK); |
563 |
codeStream.generateImplicitConversion( |
564 |
postIncrement.preAssignImplicitConversion); |
565 |
fieldStore(codeStream, lastFieldBinding, this.syntheticWriteAccessor, false); |
566 |
} |
567 |
|
568 |
/* |
569 |
* Generate code for all bindings (local and fields) excluding the last one, which may then be generated code |
570 |
* for a read or write access. |
571 |
*/ |
572 |
public FieldBinding generateReadSequence(BlockScope currentScope, CodeStream codeStream) { |
573 |
// determine the rank until which we now we do not need any actual value for the field access |
574 |
int otherBindingsCount = this.otherCodegenBindings == null ? 0 : this.otherCodegenBindings.length; |
575 |
boolean needValue = otherBindingsCount == 0 || !this.otherBindings[0].isStatic(); |
576 |
FieldBinding lastFieldBinding = null; |
577 |
TypeBinding lastGenericCast = null; |
578 |
boolean complyTo14 = currentScope.compilerOptions().complianceLevel >= ClassFileConstants.JDK1_4; |
579 |
|
580 |
switch (this.bits & ASTNode.RestrictiveFlagMASK) { |
581 |
case Binding.FIELD : |
582 |
lastFieldBinding = (FieldBinding) this.codegenBinding; |
583 |
lastGenericCast = this.genericCast; |
584 |
// if first field is actually constant, we can inline it |
585 |
if (lastFieldBinding.constant() != Constant.NotAConstant) { |
586 |
break; |
587 |
} |
588 |
if ((needValue && !lastFieldBinding.isStatic()) || lastGenericCast != null) { |
589 |
int pc = codeStream.position; |
590 |
if ((this.bits & ASTNode.DepthMASK) != 0) { |
591 |
ReferenceBinding targetType = currentScope.enclosingSourceType().enclosingTypeAt((this.bits & ASTNode.DepthMASK) >> ASTNode.DepthSHIFT); |
592 |
Object[] emulationPath = currentScope.getEmulationPath(targetType, true /*only exact match*/, false/*consider enclosing arg*/); |
593 |
codeStream.generateOuterAccess(emulationPath, this, targetType, currentScope); |
549 |
} else { |
594 |
} else { |
550 |
codeStream.dup(); |
595 |
generateReceiver(codeStream); |
551 |
} |
596 |
} |
552 |
} else { // Stack: [owner][old field value] ---> [old field value][owner][old field value] |
597 |
codeStream.recordPositionsFrom(pc, this.sourceStart); |
553 |
if ((lastFieldBinding.type == TypeBinding.LONG) |
598 |
} |
554 |
|| (lastFieldBinding.type == TypeBinding.DOUBLE)) { |
599 |
break; |
555 |
codeStream.dup2_x1(); |
600 |
case Binding.LOCAL : // reading the first local variable |
|
|
601 |
if (!needValue) break; // no value needed |
602 |
LocalVariableBinding localBinding = (LocalVariableBinding) this.codegenBinding; |
603 |
// regular local variable read |
604 |
Constant localConstant = localBinding.constant(); |
605 |
if (localConstant != Constant.NotAConstant) { |
606 |
codeStream.generateConstant(localConstant, 0); |
607 |
// no implicit conversion |
608 |
} else { |
609 |
// outer local? |
610 |
if ((this.bits & ASTNode.DepthMASK) != 0) { |
611 |
// outer local can be reached either through a synthetic arg or a synthetic field |
612 |
VariableBinding[] path = currentScope.getEmulationPath(localBinding); |
613 |
codeStream.generateOuterAccess(path, this, localBinding, currentScope); |
556 |
} else { |
614 |
} else { |
557 |
codeStream.dup_x1(); |
615 |
codeStream.load(localBinding); |
558 |
} |
616 |
} |
559 |
} |
617 |
} |
560 |
} |
618 |
} |
561 |
TypeBinding requiredGenericCast = getGenericCast(this.otherCodegenBindings == null ? 0 : this.otherCodegenBindings.length); |
619 |
|
562 |
if (requiredGenericCast != null) codeStream.checkcast(requiredGenericCast); |
620 |
// all intermediate field accesses are read accesses |
563 |
|
621 |
// only the last field binding is a write access |
564 |
codeStream.generateImplicitConversion(implicitConversion); |
622 |
int positionsLength = this.sourcePositions.length; |
565 |
codeStream.generateConstant( |
623 |
if (this.otherCodegenBindings != null) { |
566 |
postIncrement.expression.constant, |
624 |
for (int i = 0; i < otherBindingsCount; i++) { |
567 |
implicitConversion); |
625 |
int pc = codeStream.position; |
568 |
codeStream.sendOperator(postIncrement.operator, this.implicitConversion & COMPILE_TYPE_MASK); |
626 |
FieldBinding nextField = this.otherCodegenBindings[i]; |
569 |
codeStream.generateImplicitConversion( |
627 |
TypeBinding nextGenericCast = this.otherGenericCasts == null ? null : this.otherGenericCasts[i]; |
570 |
postIncrement.preAssignImplicitConversion); |
628 |
if (lastFieldBinding != null) { |
571 |
fieldStore(codeStream, lastFieldBinding, syntheticWriteAccessor, false); |
629 |
needValue = !nextField.isStatic(); |
572 |
} |
630 |
Constant fieldConstant = lastFieldBinding.constant(); |
573 |
|
631 |
if (fieldConstant != Constant.NotAConstant) { |
574 |
/* |
632 |
if (i > 0 && !lastFieldBinding.isStatic()) { |
575 |
* Generate code for all bindings (local and fields) excluding the last one, which may then be generated code |
633 |
codeStream.invokeObjectGetClass(); // perform null check |
576 |
* for a read or write access. |
634 |
codeStream.pop(); |
577 |
*/ |
|
|
578 |
public FieldBinding generateReadSequence(BlockScope currentScope, CodeStream codeStream) { |
579 |
|
580 |
// determine the rank until which we now we do not need any actual value for the field access |
581 |
int otherBindingsCount = this.otherCodegenBindings == null ? 0 : otherCodegenBindings.length; |
582 |
boolean needValue = otherBindingsCount == 0 || !this.otherBindings[0].isStatic(); |
583 |
FieldBinding lastFieldBinding = null; |
584 |
TypeBinding lastGenericCast = null; |
585 |
boolean complyTo14 = currentScope.compilerOptions().complianceLevel >= ClassFileConstants.JDK1_4; |
586 |
|
587 |
switch (bits & RestrictiveFlagMASK) { |
588 |
case Binding.FIELD : |
589 |
lastFieldBinding = (FieldBinding) this.codegenBinding; |
590 |
lastGenericCast = this.genericCast; |
591 |
// if first field is actually constant, we can inline it |
592 |
if (lastFieldBinding.constant() != Constant.NotAConstant) { |
593 |
break; |
594 |
} |
595 |
if ((needValue && !lastFieldBinding.isStatic()) || lastGenericCast != null) { |
596 |
int pc = codeStream.position; |
597 |
if ((bits & DepthMASK) != 0) { |
598 |
ReferenceBinding targetType = currentScope.enclosingSourceType().enclosingTypeAt((bits & DepthMASK) >> DepthSHIFT); |
599 |
Object[] emulationPath = currentScope.getEmulationPath(targetType, true /*only exact match*/, false/*consider enclosing arg*/); |
600 |
codeStream.generateOuterAccess(emulationPath, this, targetType, currentScope); |
601 |
} else { |
602 |
generateReceiver(codeStream); |
603 |
} |
635 |
} |
604 |
codeStream.recordPositionsFrom(pc, this.sourceStart); |
636 |
if (needValue) { |
605 |
} |
637 |
codeStream.generateConstant(fieldConstant, 0); |
606 |
break; |
|
|
607 |
case Binding.LOCAL : // reading the first local variable |
608 |
if (!needValue) break; // no value needed |
609 |
LocalVariableBinding localBinding = (LocalVariableBinding) this.codegenBinding; |
610 |
// regular local variable read |
611 |
Constant localConstant = localBinding.constant(); |
612 |
if (localConstant != Constant.NotAConstant) { |
613 |
codeStream.generateConstant(localConstant, 0); |
614 |
// no implicit conversion |
615 |
} else { |
616 |
// outer local? |
617 |
if ((bits & DepthMASK) != 0) { |
618 |
// outer local can be reached either through a synthetic arg or a synthetic field |
619 |
VariableBinding[] path = currentScope.getEmulationPath(localBinding); |
620 |
codeStream.generateOuterAccess(path, this, localBinding, currentScope); |
621 |
} else { |
622 |
codeStream.load(localBinding); |
623 |
} |
638 |
} |
624 |
} |
639 |
} else { |
625 |
} |
640 |
if (needValue || (i > 0 && complyTo14) || lastGenericCast != null) { |
626 |
|
641 |
MethodBinding accessor = this.syntheticReadAccessors == null ? null : this.syntheticReadAccessors[i]; |
627 |
// all intermediate field accesses are read accesses |
642 |
if (accessor == null) { |
628 |
// only the last field binding is a write access |
643 |
if (lastFieldBinding.isStatic()) { |
629 |
int positionsLength = this.sourcePositions.length; |
644 |
codeStream.getstatic(lastFieldBinding); |
630 |
if (this.otherCodegenBindings != null) { |
|
|
631 |
for (int i = 0; i < otherBindingsCount; i++) { |
632 |
int pc = codeStream.position; |
633 |
FieldBinding nextField = this.otherCodegenBindings[i]; |
634 |
TypeBinding nextGenericCast = this.otherGenericCasts == null ? null : this.otherGenericCasts[i]; |
635 |
if (lastFieldBinding != null) { |
636 |
needValue = !nextField.isStatic(); |
637 |
Constant fieldConstant = lastFieldBinding.constant(); |
638 |
if (fieldConstant != Constant.NotAConstant) { |
639 |
if (i > 0 && !lastFieldBinding.isStatic()) { |
640 |
codeStream.invokeObjectGetClass(); // perform null check |
641 |
codeStream.pop(); |
642 |
} |
643 |
if (needValue) { |
644 |
codeStream.generateConstant(fieldConstant, 0); |
645 |
} |
646 |
} else { |
647 |
if (needValue || (i > 0 && complyTo14) || lastGenericCast != null) { |
648 |
MethodBinding accessor = syntheticReadAccessors == null ? null : syntheticReadAccessors[i]; |
649 |
if (accessor == null) { |
650 |
if (lastFieldBinding.isStatic()) { |
651 |
codeStream.getstatic(lastFieldBinding); |
652 |
} else { |
653 |
codeStream.getfield(lastFieldBinding); |
654 |
} |
655 |
} else { |
645 |
} else { |
656 |
codeStream.invokestatic(accessor); |
646 |
codeStream.getfield(lastFieldBinding); |
657 |
} |
647 |
} |
658 |
if (lastGenericCast != null) codeStream.checkcast(lastGenericCast); |
|
|
659 |
if (!needValue) codeStream.pop(); |
660 |
} else { |
648 |
} else { |
661 |
if (this.codegenBinding == lastFieldBinding) { |
649 |
codeStream.invokestatic(accessor); |
662 |
if (lastFieldBinding.isStatic()){ |
|
|
663 |
// if no valueRequired, still need possible side-effects of <clinit> invocation, if field belongs to different class |
664 |
if (((FieldBinding)binding).original().declaringClass != this.actualReceiverType.erasure()) { |
665 |
MethodBinding accessor = syntheticReadAccessors == null ? null : syntheticReadAccessors[i]; |
666 |
if (accessor == null) { |
667 |
codeStream.getstatic(lastFieldBinding); |
668 |
} else { |
669 |
codeStream.invokestatic(accessor); |
670 |
} |
671 |
codeStream.pop(); |
672 |
} |
673 |
} |
674 |
} else if (!lastFieldBinding.isStatic()){ |
675 |
codeStream.invokeObjectGetClass(); // perform null check |
676 |
codeStream.pop(); |
677 |
} |
678 |
} |
679 |
if ((positionsLength - otherBindingsCount + i - 1) >= 0) { |
680 |
int fieldPosition = (int) (this.sourcePositions[positionsLength - otherBindingsCount + i - 1] >>>32); |
681 |
codeStream.recordPositionsFrom(pc, fieldPosition); |
682 |
} |
650 |
} |
|
|
651 |
if (lastGenericCast != null) codeStream.checkcast(lastGenericCast); |
652 |
if (!needValue) codeStream.pop(); |
653 |
} else { |
654 |
if (this.codegenBinding == lastFieldBinding) { |
655 |
if (lastFieldBinding.isStatic()){ |
656 |
// if no valueRequired, still need possible side-effects of <clinit> invocation, if field belongs to different class |
657 |
if (((FieldBinding)this.binding).original().declaringClass != this.actualReceiverType.erasure()) { |
658 |
MethodBinding accessor = this.syntheticReadAccessors == null ? null : this.syntheticReadAccessors[i]; |
659 |
if (accessor == null) { |
660 |
codeStream.getstatic(lastFieldBinding); |
661 |
} else { |
662 |
codeStream.invokestatic(accessor); |
663 |
} |
664 |
codeStream.pop(); |
665 |
} |
666 |
} |
667 |
} else if (!lastFieldBinding.isStatic()){ |
668 |
codeStream.invokeObjectGetClass(); // perform null check |
669 |
codeStream.pop(); |
670 |
} |
671 |
} |
672 |
if ((positionsLength - otherBindingsCount + i - 1) >= 0) { |
673 |
int fieldPosition = (int) (this.sourcePositions[positionsLength - otherBindingsCount + i - 1] >>>32); |
674 |
codeStream.recordPositionsFrom(pc, fieldPosition); |
683 |
} |
675 |
} |
684 |
} |
676 |
} |
685 |
lastFieldBinding = nextField; |
|
|
686 |
lastGenericCast = nextGenericCast; |
687 |
} |
677 |
} |
|
|
678 |
lastFieldBinding = nextField; |
679 |
lastGenericCast = nextGenericCast; |
688 |
} |
680 |
} |
689 |
return lastFieldBinding; |
|
|
690 |
} |
681 |
} |
691 |
public void generateReceiver(CodeStream codeStream) { |
682 |
return lastFieldBinding; |
692 |
codeStream.aload_0(); |
683 |
} |
|
|
684 |
|
685 |
public void generateReceiver(CodeStream codeStream) { |
686 |
codeStream.aload_0(); |
687 |
} |
688 |
|
689 |
/** |
690 |
* @see org.eclipse.jdt.internal.compiler.lookup.InvocationSite#genericTypeArguments() |
691 |
*/ |
692 |
public TypeBinding[] genericTypeArguments() { |
693 |
return null; |
694 |
} |
695 |
|
696 |
// get the matching codegenBinding |
697 |
protected FieldBinding getCodegenBinding(int index) { |
698 |
if (index == 0){ |
699 |
return (FieldBinding)this.codegenBinding; |
700 |
} else { |
701 |
return this.otherCodegenBindings[index-1]; |
693 |
} |
702 |
} |
694 |
/** |
703 |
} |
695 |
* @see org.eclipse.jdt.internal.compiler.lookup.InvocationSite#genericTypeArguments() |
704 |
|
696 |
*/ |
705 |
// get the matching generic cast |
697 |
public TypeBinding[] genericTypeArguments() { |
706 |
protected TypeBinding getGenericCast(int index) { |
698 |
return null; |
707 |
if (index == 0){ |
|
|
708 |
return this.genericCast; |
709 |
} else { |
710 |
if (this.otherGenericCasts == null) return null; |
711 |
return this.otherGenericCasts[index-1]; |
699 |
} |
712 |
} |
|
|
713 |
} |
700 |
|
714 |
|
701 |
// get the matching codegenBinding |
715 |
public TypeBinding getOtherFieldBindings(BlockScope scope) { |
702 |
protected FieldBinding getCodegenBinding(int index) { |
716 |
// At this point restrictiveFlag may ONLY have two potential value : FIELD LOCAL (i.e cast <<(VariableBinding) binding>> is valid) |
703 |
if (index == 0){ |
717 |
int length = this.tokens.length; |
704 |
return (FieldBinding)this.codegenBinding; |
718 |
FieldBinding field; |
|
|
719 |
if ((this.bits & Binding.FIELD) != 0) { |
720 |
field = (FieldBinding) this.binding; |
721 |
if (!field.isStatic()) { |
722 |
//must check for the static status.... |
723 |
if (this.indexOfFirstFieldBinding > 1 //accessing to a field using a type as "receiver" is allowed only with static field |
724 |
|| scope.methodScope().isStatic) { // the field is the first token of the qualified reference.... |
725 |
scope.problemReporter().staticFieldAccessToNonStaticVariable(this, field); |
726 |
return null; |
727 |
} |
705 |
} else { |
728 |
} else { |
706 |
return this.otherCodegenBindings[index-1]; |
729 |
// indirect static reference ? |
707 |
} |
730 |
if (this.indexOfFirstFieldBinding > 1 |
|
|
731 |
&& field.declaringClass != this.actualReceiverType |
732 |
&& field.declaringClass.canBeSeenBy(scope)) { |
733 |
scope.problemReporter().indirectAccessToStaticField(this, field); |
734 |
} |
735 |
} |
736 |
// only last field is actually a write access if any |
737 |
if (isFieldUseDeprecated(field, scope, (this.bits & ASTNode.IsStrictlyAssigned) != 0 && this.indexOfFirstFieldBinding == length)) |
738 |
scope.problemReporter().deprecatedField(field, this); |
739 |
} else { |
740 |
field = null; |
741 |
} |
742 |
TypeBinding type = ((VariableBinding) this.binding).type; |
743 |
int index = this.indexOfFirstFieldBinding; |
744 |
if (index == length) { // restrictiveFlag == FIELD |
745 |
this.constant = ((FieldBinding) this.binding).constant(); |
746 |
// perform capture conversion if read access |
747 |
return (type != null && (this.bits & ASTNode.IsStrictlyAssigned) == 0) |
748 |
? type.capture(scope, this.sourceEnd) |
749 |
: type; |
708 |
} |
750 |
} |
|
|
751 |
// allocation of the fieldBindings array and its respective constants |
752 |
int otherBindingsLength = length - index; |
753 |
this.otherCodegenBindings = this.otherBindings = new FieldBinding[otherBindingsLength]; |
754 |
this.otherDepths = new int[otherBindingsLength]; |
709 |
|
755 |
|
710 |
// get the matching generic cast |
756 |
// fill the first constant (the one of the binding) |
711 |
protected TypeBinding getGenericCast(int index) { |
757 |
this.constant = ((VariableBinding) this.binding).constant(); |
712 |
if (index == 0){ |
758 |
// save first depth, since will be updated by visibility checks of other bindings |
713 |
return this.genericCast; |
759 |
int firstDepth = (this.bits & ASTNode.DepthMASK) >> ASTNode.DepthSHIFT; |
714 |
} else { |
760 |
// iteration on each field |
715 |
if (this.otherGenericCasts == null) return null; |
761 |
while (index < length) { |
716 |
return this.otherGenericCasts[index-1]; |
762 |
char[] token = this.tokens[index]; |
717 |
} |
763 |
if (type == null) |
718 |
} |
764 |
return null; // could not resolve type prior to this point |
|
|
765 |
|
766 |
this.bits &= ~ASTNode.DepthMASK; // flush previous depth if any |
767 |
FieldBinding previousField = field; |
768 |
field = scope.getField(type.capture(scope, (int)this.sourcePositions[index]), token, this); |
769 |
int place = index - this.indexOfFirstFieldBinding; |
770 |
this.otherBindings[place] = field; |
771 |
this.otherDepths[place] = (this.bits & ASTNode.DepthMASK) >> ASTNode.DepthSHIFT; |
772 |
if (field.isValidBinding()) { |
773 |
// set generic cast of for previous field (if any) |
774 |
if (previousField != null) { |
775 |
TypeBinding fieldReceiverType = type; |
776 |
TypeBinding receiverErasure = type.erasure(); |
777 |
if (receiverErasure instanceof ReferenceBinding) { |
778 |
if (receiverErasure.findSuperTypeWithSameErasure(field.declaringClass) == null) { |
779 |
fieldReceiverType = field.declaringClass; // handle indirect inheritance thru variable secondary bound |
780 |
} |
781 |
} |
782 |
FieldBinding originalBinding = previousField.original(); |
783 |
if ((originalBinding.type.tagBits & TagBits.HasTypeVariable) != 0 && fieldReceiverType.id != TypeIds.T_JavaLangObject) { |
784 |
setGenericCast(index-1,originalBinding.type.genericCast(fieldReceiverType)); // type cannot be base-type even in boxing case |
785 |
} |
786 |
} |
787 |
// only last field is actually a write access if any |
788 |
if (isFieldUseDeprecated(field, scope, (this.bits & ASTNode.IsStrictlyAssigned) !=0 && index+1 == length)) { |
789 |
scope.problemReporter().deprecatedField(field, this); |
790 |
} |
791 |
// constant propagation can only be performed as long as the previous one is a constant too. |
792 |
if (this.constant != Constant.NotAConstant) { |
793 |
this.constant = field.constant(); |
794 |
} |
719 |
|
795 |
|
720 |
public TypeBinding getOtherFieldBindings(BlockScope scope) { |
796 |
if (field.isStatic()) { |
721 |
// At this point restrictiveFlag may ONLY have two potential value : FIELD LOCAL (i.e cast <<(VariableBinding) binding>> is valid) |
797 |
// static field accessed through receiver? legal but unoptimal (optional warning) |
722 |
int length = tokens.length; |
798 |
scope.problemReporter().nonStaticAccessToStaticField(this, field); |
723 |
FieldBinding field; |
|
|
724 |
if ((bits & Binding.FIELD) != 0) { |
725 |
field = (FieldBinding) this.binding; |
726 |
if (!field.isStatic()) { |
727 |
//must check for the static status.... |
728 |
if (indexOfFirstFieldBinding > 1 //accessing to a field using a type as "receiver" is allowed only with static field |
729 |
|| scope.methodScope().isStatic) { // the field is the first token of the qualified reference.... |
730 |
scope.problemReporter().staticFieldAccessToNonStaticVariable(this, field); |
731 |
return null; |
732 |
} |
733 |
} else { |
734 |
// indirect static reference ? |
799 |
// indirect static reference ? |
735 |
if (indexOfFirstFieldBinding > 1 |
800 |
if (field.declaringClass != type) { |
736 |
&& field.declaringClass != actualReceiverType |
|
|
737 |
&& field.declaringClass.canBeSeenBy(scope)) { |
738 |
scope.problemReporter().indirectAccessToStaticField(this, field); |
801 |
scope.problemReporter().indirectAccessToStaticField(this, field); |
739 |
} |
802 |
} |
740 |
} |
803 |
} |
741 |
// only last field is actually a write access if any |
804 |
type = field.type; |
742 |
if (isFieldUseDeprecated(field, scope, (this.bits & IsStrictlyAssigned) != 0 && indexOfFirstFieldBinding == length)) |
805 |
index++; |
743 |
scope.problemReporter().deprecatedField(field, this); |
|
|
744 |
} else { |
806 |
} else { |
745 |
field = null; |
807 |
this.constant = Constant.NotAConstant; //don't fill other constants slots... |
|
|
808 |
scope.problemReporter().invalidField(this, field, index, type); |
809 |
setDepth(firstDepth); |
810 |
return null; |
746 |
} |
811 |
} |
747 |
TypeBinding type = ((VariableBinding) binding).type; |
812 |
} |
748 |
int index = indexOfFirstFieldBinding; |
813 |
setDepth(firstDepth); |
749 |
if (index == length) { // restrictiveFlag == FIELD |
814 |
type = (this.otherBindings[otherBindingsLength - 1]).type; |
750 |
this.constant = ((FieldBinding) binding).constant(); |
815 |
// perform capture conversion if read access |
751 |
// perform capture conversion if read access |
816 |
return (type != null && (this.bits & ASTNode.IsStrictlyAssigned) == 0) |
752 |
return (type != null && (this.bits & IsStrictlyAssigned) == 0) |
817 |
? type.capture(scope, this.sourceEnd) |
753 |
? type.capture(scope, this.sourceEnd) |
818 |
: type; |
754 |
: type; |
819 |
} |
755 |
} |
|
|
756 |
// allocation of the fieldBindings array and its respective constants |
757 |
int otherBindingsLength = length - index; |
758 |
otherCodegenBindings = otherBindings = new FieldBinding[otherBindingsLength]; |
759 |
otherDepths = new int[otherBindingsLength]; |
760 |
|
761 |
// fill the first constant (the one of the binding) |
762 |
this.constant = ((VariableBinding) binding).constant(); |
763 |
// save first depth, since will be updated by visibility checks of other bindings |
764 |
int firstDepth = (bits & DepthMASK) >> DepthSHIFT; |
765 |
// iteration on each field |
766 |
while (index < length) { |
767 |
char[] token = tokens[index]; |
768 |
if (type == null) |
769 |
return null; // could not resolve type prior to this point |
770 |
|
771 |
bits &= ~DepthMASK; // flush previous depth if any |
772 |
FieldBinding previousField = field; |
773 |
field = scope.getField(type.capture(scope, (int)this.sourcePositions[index]), token, this); |
774 |
int place = index - indexOfFirstFieldBinding; |
775 |
otherBindings[place] = field; |
776 |
otherDepths[place] = (bits & DepthMASK) >> DepthSHIFT; |
777 |
if (field.isValidBinding()) { |
778 |
// set generic cast of for previous field (if any) |
779 |
if (previousField != null) { |
780 |
TypeBinding fieldReceiverType = type; |
781 |
TypeBinding receiverErasure = type.erasure(); |
782 |
if (receiverErasure instanceof ReferenceBinding) { |
783 |
if (receiverErasure.findSuperTypeWithSameErasure(field.declaringClass) == null) { |
784 |
fieldReceiverType = field.declaringClass; // handle indirect inheritance thru variable secondary bound |
785 |
} |
786 |
} |
787 |
FieldBinding originalBinding = previousField.original(); |
788 |
if ((originalBinding.type.tagBits & TagBits.HasTypeVariable) != 0 && fieldReceiverType.id != T_JavaLangObject) { |
789 |
setGenericCast(index-1,originalBinding.type.genericCast(fieldReceiverType)); // type cannot be base-type even in boxing case |
790 |
} |
791 |
} |
792 |
// only last field is actually a write access if any |
793 |
if (isFieldUseDeprecated(field, scope, (this.bits & IsStrictlyAssigned) !=0 && index+1 == length)) { |
794 |
scope.problemReporter().deprecatedField(field, this); |
795 |
} |
796 |
// constant propagation can only be performed as long as the previous one is a constant too. |
797 |
if (this.constant != Constant.NotAConstant) { |
798 |
this.constant = field.constant(); |
799 |
} |
800 |
|
820 |
|
801 |
if (field.isStatic()) { |
821 |
public void manageEnclosingInstanceAccessIfNecessary(BlockScope currentScope, FlowInfo flowInfo) { |
802 |
// static field accessed through receiver? legal but unoptimal (optional warning) |
822 |
if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) == 0) { |
803 |
scope.problemReporter().nonStaticAccessToStaticField(this, field); |
823 |
//If inlinable field, forget the access emulation, the code gen will directly target it |
804 |
// indirect static reference ? |
824 |
if (((this.bits & ASTNode.DepthMASK) == 0) || (this.constant != Constant.NotAConstant)) { |
805 |
if (field.declaringClass != type) { |
825 |
return; |
806 |
scope.problemReporter().indirectAccessToStaticField(this, field); |
826 |
} |
807 |
} |
827 |
if ((this.bits & ASTNode.RestrictiveFlagMASK) == Binding.LOCAL) { |
808 |
} |
828 |
currentScope.emulateOuterAccess((LocalVariableBinding) this.binding); |
809 |
type = field.type; |
|
|
810 |
index++; |
811 |
} else { |
812 |
constant = Constant.NotAConstant; //don't fill other constants slots... |
813 |
scope.problemReporter().invalidField(this, field, index, type); |
814 |
setDepth(firstDepth); |
815 |
return null; |
816 |
} |
817 |
} |
818 |
setDepth(firstDepth); |
819 |
type = (otherBindings[otherBindingsLength - 1]).type; |
820 |
// perform capture conversion if read access |
821 |
return (type != null && (this.bits & IsStrictlyAssigned) == 0) |
822 |
? type.capture(scope, this.sourceEnd) |
823 |
: type; |
824 |
} |
829 |
} |
|
|
830 |
} |
831 |
} |
825 |
|
832 |
|
826 |
public void manageEnclosingInstanceAccessIfNecessary(BlockScope currentScope, FlowInfo flowInfo) { |
833 |
/** |
827 |
if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) == 0) { |
834 |
* index is <0 to denote write access emulation |
828 |
//If inlinable field, forget the access emulation, the code gen will directly target it |
835 |
*/ |
829 |
if (((bits & DepthMASK) == 0) || (constant != Constant.NotAConstant)) { |
836 |
public void manageSyntheticAccessIfNecessary(BlockScope currentScope, FieldBinding fieldBinding, TypeBinding lastReceiverType, int index, FlowInfo flowInfo) { |
830 |
return; |
837 |
if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) != 0) return; |
831 |
} |
838 |
// index == 0 denotes the first fieldBinding, index > 0 denotes one of the 'otherBindings', index < 0 denotes a write access (to last binding) |
832 |
if ((bits & RestrictiveFlagMASK) == Binding.LOCAL) { |
839 |
if (fieldBinding.constant() != Constant.NotAConstant) |
833 |
currentScope.emulateOuterAccess((LocalVariableBinding) binding); |
840 |
return; |
834 |
} |
841 |
|
835 |
} |
842 |
// if field from parameterized type got found, use the original field at codegen time |
|
|
843 |
FieldBinding originalField = fieldBinding.original(); |
844 |
if (originalField != fieldBinding) { |
845 |
setCodegenBinding(index < 0 ? (this.otherBindings == null ? 0 : this.otherBindings.length) : index, originalField); |
836 |
} |
846 |
} |
837 |
/** |
847 |
|
838 |
* index is <0 to denote write access emulation |
848 |
if (fieldBinding.isPrivate()) { // private access |
839 |
*/ |
849 |
FieldBinding someCodegenBinding = getCodegenBinding(index < 0 ? (this.otherBindings == null ? 0 : this.otherBindings.length) : index); |
840 |
public void manageSyntheticAccessIfNecessary( |
850 |
if (someCodegenBinding.declaringClass != currentScope.enclosingSourceType()) { |
841 |
BlockScope currentScope, |
851 |
setSyntheticAccessor(fieldBinding, index, |
842 |
FieldBinding fieldBinding, |
852 |
((SourceTypeBinding) someCodegenBinding.declaringClass).addSyntheticMethod(someCodegenBinding, index >= 0 /*read-access?*/)); |
843 |
TypeBinding lastReceiverType, |
853 |
currentScope.problemReporter().needToEmulateFieldAccess(someCodegenBinding, this, index >= 0 /*read-access?*/); |
844 |
int index, |
|
|
845 |
FlowInfo flowInfo) { |
846 |
|
847 |
if ((flowInfo.tagBits & FlowInfo.UNREACHABLE) != 0) return; |
848 |
// index == 0 denotes the first fieldBinding, index > 0 denotes one of the 'otherBindings', index < 0 denotes a write access (to last binding) |
849 |
if (fieldBinding.constant() != Constant.NotAConstant) |
850 |
return; |
854 |
return; |
851 |
|
|
|
852 |
// if field from parameterized type got found, use the original field at codegen time |
853 |
FieldBinding originalField = fieldBinding.original(); |
854 |
if (originalField != fieldBinding) { |
855 |
setCodegenBinding(index < 0 ? (this.otherBindings == null ? 0 : this.otherBindings.length) : index, originalField); |
856 |
} |
855 |
} |
|
|
856 |
} else if (fieldBinding.isProtected()){ |
857 |
int depth = (index == 0 || (index < 0 && this.otherDepths == null)) |
858 |
? (this.bits & ASTNode.DepthMASK) >> ASTNode.DepthSHIFT |
859 |
: this.otherDepths[index < 0 ? this.otherDepths.length-1 : index-1]; |
857 |
|
860 |
|
858 |
if (fieldBinding.isPrivate()) { // private access |
861 |
// implicit protected access |
|
|
862 |
if (depth > 0 && (fieldBinding.declaringClass.getPackage() != currentScope.enclosingSourceType().getPackage())) { |
859 |
FieldBinding someCodegenBinding = getCodegenBinding(index < 0 ? (this.otherBindings == null ? 0 : this.otherBindings.length) : index); |
863 |
FieldBinding someCodegenBinding = getCodegenBinding(index < 0 ? (this.otherBindings == null ? 0 : this.otherBindings.length) : index); |
860 |
if (someCodegenBinding.declaringClass != currentScope.enclosingSourceType()) { |
864 |
setSyntheticAccessor(fieldBinding, index, |
861 |
setSyntheticAccessor(fieldBinding, index, |
865 |
((SourceTypeBinding) currentScope.enclosingSourceType().enclosingTypeAt(depth)).addSyntheticMethod(someCodegenBinding, index >= 0 /*read-access?*/)); |
862 |
((SourceTypeBinding) someCodegenBinding.declaringClass).addSyntheticMethod(someCodegenBinding, index >= 0 /*read-access?*/)); |
866 |
currentScope.problemReporter().needToEmulateFieldAccess(someCodegenBinding, this, index >= 0 /*read-access?*/); |
863 |
currentScope.problemReporter().needToEmulateFieldAccess(someCodegenBinding, this, index >= 0 /*read-access?*/); |
867 |
return; |
864 |
return; |
868 |
} |
865 |
} |
869 |
} |
866 |
} else if (fieldBinding.isProtected()){ |
870 |
// if the binding declaring class is not visible, need special action |
867 |
int depth = (index == 0 || (index < 0 && this.otherDepths == null)) |
871 |
// for runtime compatibility on 1.2 VMs : change the declaring class of the binding |
868 |
? (bits & DepthMASK) >> DepthSHIFT |
872 |
// NOTE: from target 1.2 on, field's declaring class is touched if any different from receiver type |
869 |
: otherDepths[index < 0 ? otherDepths.length-1 : index-1]; |
873 |
// and not from Object or implicit static field access. |
870 |
|
874 |
if (fieldBinding.declaringClass != lastReceiverType |
871 |
// implicit protected access |
875 |
&& !lastReceiverType.isArrayType() |
872 |
if (depth > 0 && (fieldBinding.declaringClass.getPackage() != currentScope.enclosingSourceType().getPackage())) { |
876 |
&& fieldBinding.declaringClass != null // array.length |
873 |
FieldBinding someCodegenBinding = getCodegenBinding(index < 0 ? (this.otherBindings == null ? 0 : this.otherBindings.length) : index); |
877 |
&& fieldBinding.constant() == Constant.NotAConstant) { |
874 |
setSyntheticAccessor(fieldBinding, index, |
878 |
CompilerOptions options = currentScope.compilerOptions(); |
875 |
((SourceTypeBinding) currentScope.enclosingSourceType().enclosingTypeAt(depth)).addSyntheticMethod(someCodegenBinding, index >= 0 /*read-access?*/)); |
879 |
if ((options.targetJDK >= ClassFileConstants.JDK1_2 |
876 |
currentScope.problemReporter().needToEmulateFieldAccess(someCodegenBinding, this, index >= 0 /*read-access?*/); |
880 |
&& (options.complianceLevel >= ClassFileConstants.JDK1_4 || !(index <= 1 && this.indexOfFirstFieldBinding == 1 && fieldBinding.isStatic())) |
877 |
return; |
881 |
&& fieldBinding.declaringClass.id != TypeIds.T_JavaLangObject) // no change for Object fields |
878 |
} |
|
|
879 |
} |
880 |
// if the binding declaring class is not visible, need special action |
881 |
// for runtime compatibility on 1.2 VMs : change the declaring class of the binding |
882 |
// NOTE: from target 1.2 on, field's declaring class is touched if any different from receiver type |
883 |
// and not from Object or implicit static field access. |
884 |
if (fieldBinding.declaringClass != lastReceiverType |
885 |
&& !lastReceiverType.isArrayType() |
886 |
&& fieldBinding.declaringClass != null // array.length |
887 |
&& fieldBinding.constant() == Constant.NotAConstant) { |
888 |
CompilerOptions options = currentScope.compilerOptions(); |
889 |
if ((options.targetJDK >= ClassFileConstants.JDK1_2 |
890 |
&& (options.complianceLevel >= ClassFileConstants.JDK1_4 || !(index <= 1 && indexOfFirstFieldBinding == 1 && fieldBinding.isStatic())) |
891 |
&& fieldBinding.declaringClass.id != T_JavaLangObject) // no change for Object fields |
892 |
|| !fieldBinding.declaringClass.canBeSeenBy(currentScope)) { |
882 |
|| !fieldBinding.declaringClass.canBeSeenBy(currentScope)) { |
893 |
|
883 |
|
894 |
setCodegenBinding( |
884 |
setCodegenBinding( |
Lines 896-1105
Link Here
|
896 |
currentScope.enclosingSourceType().getUpdatedFieldBinding( |
886 |
currentScope.enclosingSourceType().getUpdatedFieldBinding( |
897 |
getCodegenBinding(index < 0 ? (this.otherBindings == null ? 0 : this.otherBindings.length) : index), |
887 |
getCodegenBinding(index < 0 ? (this.otherBindings == null ? 0 : this.otherBindings.length) : index), |
898 |
(ReferenceBinding)lastReceiverType.erasure())); |
888 |
(ReferenceBinding)lastReceiverType.erasure())); |
899 |
} |
889 |
} |
900 |
} |
890 |
} |
901 |
} |
891 |
} |
902 |
|
892 |
|
903 |
public int nullStatus(FlowInfo flowInfo) { |
893 |
public int nullStatus(FlowInfo flowInfo) { |
904 |
return FlowInfo.UNKNOWN; |
894 |
return FlowInfo.UNKNOWN; |
905 |
} |
895 |
} |
906 |
|
896 |
|
907 |
public Constant optimizedBooleanConstant() { |
897 |
public Constant optimizedBooleanConstant() { |
908 |
|
898 |
switch (this.resolvedType.id) { |
909 |
switch (this.resolvedType.id) { |
899 |
case T_boolean : |
910 |
case T_boolean : |
900 |
case T_JavaLangBoolean : |
911 |
case T_JavaLangBoolean : |
901 |
if (this.constant != Constant.NotAConstant) return this.constant; |
912 |
if (this.constant != Constant.NotAConstant) return this.constant; |
902 |
switch (this.bits & ASTNode.RestrictiveFlagMASK) { |
913 |
switch (bits & RestrictiveFlagMASK) { |
903 |
case Binding.FIELD : // reading a field |
914 |
case Binding.FIELD : // reading a field |
904 |
if (this.otherBindings == null) |
915 |
if (this.otherBindings == null) |
905 |
return ((FieldBinding)this.binding).constant(); |
916 |
return ((FieldBinding)this.binding).constant(); |
906 |
// fall thru |
917 |
// fall thru |
907 |
case Binding.LOCAL : // reading a local variable |
918 |
case Binding.LOCAL : // reading a local variable |
908 |
return this.otherBindings[this.otherBindings.length-1].constant(); |
919 |
return this.otherBindings[this.otherBindings.length-1].constant(); |
|
|
920 |
} |
921 |
} |
909 |
} |
922 |
return Constant.NotAConstant; |
|
|
923 |
} |
910 |
} |
|
|
911 |
return Constant.NotAConstant; |
912 |
} |
924 |
|
913 |
|
925 |
/** |
914 |
/** |
926 |
* @see org.eclipse.jdt.internal.compiler.ast.Expression#postConversionType(Scope) |
915 |
* @see org.eclipse.jdt.internal.compiler.ast.Expression#postConversionType(Scope) |
927 |
*/ |
916 |
*/ |
928 |
public TypeBinding postConversionType(Scope scope) { |
917 |
public TypeBinding postConversionType(Scope scope) { |
929 |
TypeBinding convertedType = this.resolvedType; |
918 |
TypeBinding convertedType = this.resolvedType; |
930 |
TypeBinding requiredGenericCast = getGenericCast(this.otherCodegenBindings == null ? 0 : this.otherCodegenBindings.length); |
919 |
TypeBinding requiredGenericCast = getGenericCast(this.otherCodegenBindings == null ? 0 : this.otherCodegenBindings.length); |
931 |
if (requiredGenericCast != null) |
920 |
if (requiredGenericCast != null) |
932 |
convertedType = requiredGenericCast; |
921 |
convertedType = requiredGenericCast; |
933 |
int runtimeType = (this.implicitConversion & IMPLICIT_CONVERSION_MASK) >> 4; |
922 |
int runtimeType = (this.implicitConversion & TypeIds.IMPLICIT_CONVERSION_MASK) >> 4; |
934 |
switch (runtimeType) { |
923 |
switch (runtimeType) { |
935 |
case T_boolean : |
924 |
case T_boolean : |
936 |
convertedType = TypeBinding.BOOLEAN; |
925 |
convertedType = TypeBinding.BOOLEAN; |
937 |
break; |
926 |
break; |
938 |
case T_byte : |
927 |
case T_byte : |
939 |
convertedType = TypeBinding.BYTE; |
928 |
convertedType = TypeBinding.BYTE; |
940 |
break; |
929 |
break; |
941 |
case T_short : |
930 |
case T_short : |
942 |
convertedType = TypeBinding.SHORT; |
931 |
convertedType = TypeBinding.SHORT; |
943 |
break; |
932 |
break; |
944 |
case T_char : |
933 |
case T_char : |
945 |
convertedType = TypeBinding.CHAR; |
934 |
convertedType = TypeBinding.CHAR; |
946 |
break; |
935 |
break; |
947 |
case T_int : |
936 |
case T_int : |
948 |
convertedType = TypeBinding.INT; |
937 |
convertedType = TypeBinding.INT; |
949 |
break; |
938 |
break; |
950 |
case T_float : |
939 |
case T_float : |
951 |
convertedType = TypeBinding.FLOAT; |
940 |
convertedType = TypeBinding.FLOAT; |
952 |
break; |
941 |
break; |
953 |
case T_long : |
942 |
case T_long : |
954 |
convertedType = TypeBinding.LONG; |
943 |
convertedType = TypeBinding.LONG; |
955 |
break; |
944 |
break; |
956 |
case T_double : |
945 |
case T_double : |
957 |
convertedType = TypeBinding.DOUBLE; |
946 |
convertedType = TypeBinding.DOUBLE; |
958 |
break; |
947 |
break; |
959 |
default : |
948 |
default : |
960 |
} |
949 |
} |
961 |
if ((this.implicitConversion & BOXING) != 0) { |
950 |
if ((this.implicitConversion & TypeIds.BOXING) != 0) { |
962 |
convertedType = scope.environment().computeBoxingType(convertedType); |
951 |
convertedType = scope.environment().computeBoxingType(convertedType); |
963 |
} |
|
|
964 |
return convertedType; |
965 |
} |
952 |
} |
966 |
|
953 |
return convertedType; |
967 |
public StringBuffer printExpression(int indent, StringBuffer output) { |
954 |
} |
968 |
|
955 |
|
969 |
for (int i = 0; i < tokens.length; i++) { |
956 |
public StringBuffer printExpression(int indent, StringBuffer output) { |
970 |
if (i > 0) output.append('.'); |
957 |
for (int i = 0; i < this.tokens.length; i++) { |
971 |
output.append(tokens[i]); |
958 |
if (i > 0) output.append('.'); |
972 |
} |
959 |
output.append(this.tokens[i]); |
973 |
return output; |
|
|
974 |
} |
960 |
} |
975 |
|
961 |
return output; |
976 |
/** |
962 |
} |
977 |
* Normal field binding did not work, try to bind to a field of the delegate receiver. |
963 |
|
978 |
*/ |
964 |
/** |
979 |
public TypeBinding reportError(BlockScope scope) { |
965 |
* Normal field binding did not work, try to bind to a field of the delegate receiver. |
980 |
if (binding instanceof ProblemFieldBinding) { |
966 |
*/ |
981 |
scope.problemReporter().invalidField(this, (FieldBinding) binding); |
967 |
public TypeBinding reportError(BlockScope scope) { |
982 |
} else if (binding instanceof ProblemReferenceBinding) { |
968 |
if (this.binding instanceof ProblemFieldBinding) { |
983 |
scope.problemReporter().invalidType(this, (TypeBinding) binding); |
969 |
scope.problemReporter().invalidField(this, (FieldBinding) this.binding); |
984 |
} else { |
970 |
} else if (this.binding instanceof ProblemReferenceBinding) { |
985 |
scope.problemReporter().unresolvableReference(this, binding); |
971 |
scope.problemReporter().invalidType(this, (TypeBinding) this.binding); |
986 |
} |
972 |
} else { |
987 |
return null; |
973 |
scope.problemReporter().unresolvableReference(this, this.binding); |
988 |
} |
974 |
} |
989 |
public TypeBinding resolveType(BlockScope scope) { |
975 |
return null; |
990 |
// field and/or local are done before type lookups |
976 |
} |
991 |
// the only available value for the restrictiveFlag BEFORE |
977 |
|
992 |
// the TC is Flag_Type Flag_LocalField and Flag_TypeLocalField |
978 |
public TypeBinding resolveType(BlockScope scope) { |
993 |
this.actualReceiverType = scope.enclosingReceiverType(); |
979 |
// field and/or local are done before type lookups |
994 |
constant = Constant.NotAConstant; |
980 |
// the only available value for the restrictiveFlag BEFORE |
995 |
if ((this.codegenBinding = this.binding = scope.getBinding(tokens, bits & RestrictiveFlagMASK, this, true /*resolve*/)).isValidBinding()) { |
981 |
// the TC is Flag_Type Flag_LocalField and Flag_TypeLocalField |
996 |
switch (bits & RestrictiveFlagMASK) { |
982 |
this.actualReceiverType = scope.enclosingReceiverType(); |
997 |
case Binding.VARIABLE : //============only variable=========== |
983 |
this.constant = Constant.NotAConstant; |
998 |
case Binding.TYPE | Binding.VARIABLE : |
984 |
if ((this.codegenBinding = this.binding = scope.getBinding(this.tokens, this.bits & ASTNode.RestrictiveFlagMASK, this, true /*resolve*/)).isValidBinding()) { |
999 |
if (binding instanceof LocalVariableBinding) { |
985 |
switch (this.bits & ASTNode.RestrictiveFlagMASK) { |
1000 |
if (!((LocalVariableBinding) binding).isFinal() && ((bits & DepthMASK) != 0)) |
986 |
case Binding.VARIABLE : //============only variable=========== |
1001 |
scope.problemReporter().cannotReferToNonFinalOuterLocal( |
987 |
case Binding.TYPE | Binding.VARIABLE : |
1002 |
(LocalVariableBinding) binding, |
988 |
if (this.binding instanceof LocalVariableBinding) { |
1003 |
this); |
989 |
if (!((LocalVariableBinding) this.binding).isFinal() && ((this.bits & ASTNode.DepthMASK) != 0)) |
1004 |
bits &= ~RestrictiveFlagMASK; // clear bits |
990 |
scope.problemReporter().cannotReferToNonFinalOuterLocal( |
1005 |
bits |= Binding.LOCAL; |
991 |
(LocalVariableBinding) this.binding, |
1006 |
return this.resolvedType = getOtherFieldBindings(scope); |
992 |
this); |
|
|
993 |
this.bits &= ~ASTNode.RestrictiveFlagMASK; // clear bits |
994 |
this.bits |= Binding.LOCAL; |
995 |
return this.resolvedType = getOtherFieldBindings(scope); |
996 |
} |
997 |
if (this.binding instanceof FieldBinding) { |
998 |
FieldBinding fieldBinding = (FieldBinding) this.binding; |
999 |
MethodScope methodScope = scope.methodScope(); |
1000 |
// check for forward references |
1001 |
if (this.indexOfFirstFieldBinding == 1 |
1002 |
&& methodScope.enclosingSourceType() == fieldBinding.original().declaringClass |
1003 |
&& methodScope.lastVisibleFieldID >= 0 |
1004 |
&& fieldBinding.id >= methodScope.lastVisibleFieldID |
1005 |
&& (!fieldBinding.isStatic() || methodScope.isStatic)) { |
1006 |
scope.problemReporter().forwardReference(this, 0, methodScope.enclosingSourceType()); |
1007 |
} |
1007 |
} |
1008 |
if (binding instanceof FieldBinding) { |
1008 |
if (!fieldBinding.isStatic() |
1009 |
FieldBinding fieldBinding = (FieldBinding) binding; |
1009 |
&& this.indexOfFirstFieldBinding == 1 |
1010 |
MethodScope methodScope = scope.methodScope(); |
1010 |
&& scope.compilerOptions().getSeverity(CompilerOptions.UnqualifiedFieldAccess) != ProblemSeverities.Ignore) { |
1011 |
// check for forward references |
1011 |
scope.problemReporter().unqualifiedFieldAccess(this, fieldBinding); |
1012 |
if (this.indexOfFirstFieldBinding == 1 |
1012 |
} |
1013 |
&& methodScope.enclosingSourceType() == fieldBinding.original().declaringClass |
1013 |
this.bits &= ~ASTNode.RestrictiveFlagMASK; // clear bits |
1014 |
&& methodScope.lastVisibleFieldID >= 0 |
1014 |
this.bits |= Binding.FIELD; |
1015 |
&& fieldBinding.id >= methodScope.lastVisibleFieldID |
1015 |
|
1016 |
&& (!fieldBinding.isStatic() || methodScope.isStatic)) { |
|
|
1017 |
scope.problemReporter().forwardReference(this, 0, methodScope.enclosingSourceType()); |
1018 |
} |
1019 |
if (!fieldBinding.isStatic() |
1020 |
&& this.indexOfFirstFieldBinding == 1 |
1021 |
&& scope.compilerOptions().getSeverity(CompilerOptions.UnqualifiedFieldAccess) != ProblemSeverities.Ignore) { |
1022 |
scope.problemReporter().unqualifiedFieldAccess(this, fieldBinding); |
1023 |
} |
1024 |
bits &= ~RestrictiveFlagMASK; // clear bits |
1025 |
bits |= Binding.FIELD; |
1026 |
|
1027 |
// // check for deprecated receiver type |
1016 |
// // check for deprecated receiver type |
1028 |
// // deprecation check for receiver type if not first token |
1017 |
// // deprecation check for receiver type if not first token |
1029 |
// if (indexOfFirstFieldBinding > 1) { |
1018 |
// if (indexOfFirstFieldBinding > 1) { |
1030 |
// if (isTypeUseDeprecated(this.actualReceiverType, scope)) |
1019 |
// if (isTypeUseDeprecated(this.actualReceiverType, scope)) |
1031 |
// scope.problemReporter().deprecatedType(this.actualReceiverType, this); |
1020 |
// scope.problemReporter().deprecatedType(this.actualReceiverType, this); |
1032 |
// } |
1021 |
// } |
1033 |
|
1022 |
|
1034 |
return this.resolvedType = getOtherFieldBindings(scope); |
1023 |
return this.resolvedType = getOtherFieldBindings(scope); |
1035 |
} |
1024 |
} |
1036 |
// thus it was a type |
1025 |
// thus it was a type |
1037 |
bits &= ~RestrictiveFlagMASK; // clear bits |
1026 |
this.bits &= ~ASTNode.RestrictiveFlagMASK; // clear bits |
1038 |
bits |= Binding.TYPE; |
1027 |
this.bits |= Binding.TYPE; |
1039 |
case Binding.TYPE : //=============only type ============== |
1028 |
case Binding.TYPE : //=============only type ============== |
1040 |
TypeBinding type = (TypeBinding) binding; |
1029 |
TypeBinding type = (TypeBinding) this.binding; |
1041 |
// if (isTypeUseDeprecated(type, scope)) |
1030 |
// if (isTypeUseDeprecated(type, scope)) |
1042 |
// scope.problemReporter().deprecatedType(type, this); |
1031 |
// scope.problemReporter().deprecatedType(type, this); |
1043 |
type = scope.environment().convertToRawType(type); |
1032 |
type = scope.environment().convertToRawType(type); |
1044 |
return this.resolvedType = type; |
1033 |
return this.resolvedType = type; |
1045 |
} |
|
|
1046 |
} |
1034 |
} |
1047 |
//========error cases=============== |
|
|
1048 |
return this.resolvedType = this.reportError(scope); |
1049 |
} |
1035 |
} |
|
|
1036 |
//========error cases=============== |
1037 |
return this.resolvedType = this.reportError(scope); |
1038 |
} |
1050 |
|
1039 |
|
1051 |
// set the matching codegenBinding and generic cast |
1040 |
// set the matching codegenBinding and generic cast |
1052 |
protected void setCodegenBinding(int index, FieldBinding someCodegenBinding) { |
1041 |
protected void setCodegenBinding(int index, FieldBinding someCodegenBinding) { |
1053 |
|
1042 |
if (index == 0){ |
1054 |
if (index == 0){ |
1043 |
this.codegenBinding = someCodegenBinding; |
1055 |
this.codegenBinding = someCodegenBinding; |
1044 |
} else { |
1056 |
} else { |
1045 |
int length = this.otherBindings.length; |
1057 |
int length = this.otherBindings.length; |
1046 |
if (this.otherCodegenBindings == this.otherBindings){ |
1058 |
if (this.otherCodegenBindings == this.otherBindings){ |
1047 |
System.arraycopy(this.otherBindings, 0, this.otherCodegenBindings = new FieldBinding[length], 0, length); |
1059 |
System.arraycopy(this.otherBindings, 0, this.otherCodegenBindings = new FieldBinding[length], 0, length); |
1048 |
} |
1060 |
} |
1049 |
this.otherCodegenBindings[index-1] = someCodegenBinding; |
1061 |
this.otherCodegenBindings[index-1] = someCodegenBinding; |
1050 |
} |
1062 |
} |
1051 |
} |
1063 |
} |
|
|
1064 |
|
1052 |
|
1065 |
public void setFieldIndex(int index) { |
1053 |
public void setFieldIndex(int index) { |
1066 |
this.indexOfFirstFieldBinding = index; |
1054 |
this.indexOfFirstFieldBinding = index; |
1067 |
} |
1055 |
} |
1068 |
|
|
|
1069 |
// set the matching codegenBinding and generic cast |
1070 |
protected void setGenericCast(int index, TypeBinding someGenericCast) { |
1071 |
|
1056 |
|
1072 |
if (index == 0){ |
1057 |
// set the matching codegenBinding and generic cast |
1073 |
this.genericCast = someGenericCast; |
1058 |
protected void setGenericCast(int index, TypeBinding someGenericCast) { |
1074 |
} else { |
1059 |
if (index == 0){ |
1075 |
if (this.otherGenericCasts == null) { |
1060 |
this.genericCast = someGenericCast; |
1076 |
this.otherGenericCasts = new TypeBinding[this.otherBindings.length]; |
1061 |
} else { |
1077 |
} |
1062 |
if (this.otherGenericCasts == null) { |
1078 |
this.otherGenericCasts[index-1] = someGenericCast; |
1063 |
this.otherGenericCasts = new TypeBinding[this.otherBindings.length]; |
1079 |
} |
|
|
1080 |
} |
1081 |
|
1082 |
// set the matching synthetic accessor |
1083 |
protected void setSyntheticAccessor(FieldBinding fieldBinding, int index, SyntheticMethodBinding syntheticAccessor) { |
1084 |
if (index < 0) { // write-access ? |
1085 |
syntheticWriteAccessor = syntheticAccessor; |
1086 |
} else { |
1087 |
if (syntheticReadAccessors == null) { |
1088 |
syntheticReadAccessors = new SyntheticMethodBinding[otherBindings == null ? 1 : otherBindings.length + 1]; |
1089 |
} |
1090 |
syntheticReadAccessors[index] = syntheticAccessor; |
1091 |
} |
1064 |
} |
1092 |
} |
1065 |
this.otherGenericCasts[index-1] = someGenericCast; |
|
|
1066 |
} |
1067 |
} |
1093 |
|
1068 |
|
1094 |
public void traverse(ASTVisitor visitor, BlockScope scope) { |
1069 |
// set the matching synthetic accessor |
1095 |
visitor.visit(this, scope); |
1070 |
protected void setSyntheticAccessor(FieldBinding fieldBinding, int index, SyntheticMethodBinding syntheticAccessor) { |
1096 |
visitor.endVisit(this, scope); |
1071 |
if (index < 0) { // write-access ? |
1097 |
} |
1072 |
this.syntheticWriteAccessor = syntheticAccessor; |
1098 |
public void traverse(ASTVisitor visitor, ClassScope scope) { |
1073 |
} else { |
1099 |
visitor.visit(this, scope); |
1074 |
if (this.syntheticReadAccessors == null) { |
1100 |
visitor.endVisit(this, scope); |
1075 |
this.syntheticReadAccessors = new SyntheticMethodBinding[this.otherBindings == null ? 1 : this.otherBindings.length + 1]; |
1101 |
} |
1076 |
} |
1102 |
public String unboundReferenceErrorName() { |
1077 |
this.syntheticReadAccessors[index] = syntheticAccessor; |
1103 |
return new String(tokens[0]); |
1078 |
} |
1104 |
} |
1079 |
} |
|
|
1080 |
|
1081 |
public void traverse(ASTVisitor visitor, BlockScope scope) { |
1082 |
visitor.visit(this, scope); |
1083 |
visitor.endVisit(this, scope); |
1084 |
} |
1085 |
|
1086 |
public void traverse(ASTVisitor visitor, ClassScope scope) { |
1087 |
visitor.visit(this, scope); |
1088 |
visitor.endVisit(this, scope); |
1089 |
} |
1090 |
|
1091 |
public String unboundReferenceErrorName() { |
1092 |
return new String(this.tokens[0]); |
1093 |
} |
1105 |
} |
1094 |
} |