public class SingleNameReference extends NameReference implements OperatorIds {
public char[] token;
- public MethodBinding[] syntheticAccessors; // [0]=read accessor [1]=write accessor
+ public MethodBinding[] syntheticAccessors; // [0]=read accessor [1]=write
+ // accessor
+
public static final int READ = 0;
+
public static final int WRITE = 1;
-
-public SingleNameReference(char[] source, long pos) {
- super();
- token = source;
- sourceStart = (int) (pos >>> 32);
- sourceEnd = (int) pos;
-}
-public FlowInfo analyseAssignment(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo, Assignment assignment, boolean isCompound) {
- // compound assignment extra work
- if (isCompound) { // check the variable part is initialized if blank final
- switch (bits & RestrictiveFlagMASK) {
- case FIELD : // reading a field
+ public SingleNameReference(char[] source, long pos) {
+ super();
+ token = source;
+ sourceStart = (int) (pos >>> 32);
+ sourceEnd = (int) pos;
+ }
+
+ public FlowInfo analyseAssignment(BlockScope currentScope,
+ FlowContext flowContext, FlowInfo flowInfo, Assignment assignment,
+ boolean isCompound) {
+
+ // compound assignment extra work
+ if (isCompound) { // check the variable part is initialized if blank
+ // final
+ switch (bits & RestrictiveFlagMASK) {
+ case FIELD: // reading a field
FieldBinding fieldBinding;
- if ((fieldBinding = (FieldBinding) binding).isBlankFinal()
- && currentScope.allowBlankFinalFieldAssignment(fieldBinding)) {
+ if ((fieldBinding = (FieldBinding) binding).isBlankFinal()
+ && currentScope
+ .allowBlankFinalFieldAssignment(fieldBinding)) {
if (!flowInfo.isDefinitelyAssigned(fieldBinding)) {
- currentScope.problemReporter().uninitializedBlankFinalField(fieldBinding, this);
+ currentScope.problemReporter()
+ .uninitializedBlankFinalField(fieldBinding,
+ this);
}
}
manageSyntheticReadAccessIfNecessary(currentScope);
break;
-// case LOCAL : // reading a local variable
-// // check if assigning a final blank field
-// LocalVariableBinding localBinding;
-// if (!flowInfo.isDefinitelyAssigned(localBinding = (LocalVariableBinding) binding)) {
-// currentScope.problemReporter().uninitializedLocalVariable(localBinding, this);
-// // we could improve error msg here telling "cannot use compound assignment on final local variable"
-// }
-// if (flowInfo.isReachable()) {
-// localBinding.useFlag = LocalVariableBinding.USED;
-// } else if (localBinding.useFlag == LocalVariableBinding.UNUSED) {
-// localBinding.useFlag = LocalVariableBinding.FAKE_USED;
-// }
+ // case LOCAL : // reading a local variable
+ // // check if assigning a final blank field
+ // LocalVariableBinding localBinding;
+ // if (!flowInfo.isDefinitelyAssigned(localBinding =
+ // (LocalVariableBinding) binding)) {
+ // currentScope.problemReporter().uninitializedLocalVariable(localBinding,
+ // this);
+ // // we could improve error msg here telling "cannot use compound
+ // assignment on final local variable"
+ // }
+ // if (flowInfo.isReachable()) {
+ // localBinding.useFlag = LocalVariableBinding.USED;
+ // } else if (localBinding.useFlag == LocalVariableBinding.UNUSED) {
+ // localBinding.useFlag = LocalVariableBinding.FAKE_USED;
+ // }
+ }
}
- }
- if (assignment.expression != null) {
- flowInfo = assignment.expression.analyseCode(currentScope, flowContext, flowInfo).unconditionalInits();
- }
- switch (bits & RestrictiveFlagMASK) {
- case FIELD : // assigning to a field
+ if (assignment.expression != null) {
+ flowInfo = assignment.expression.analyseCode(currentScope,
+ flowContext, flowInfo).unconditionalInits();
+ }
+ switch (bits & RestrictiveFlagMASK) {
+ case FIELD: // assigning to a field
manageSyntheticWriteAccessIfNecessary(currentScope);
// check if assigning a final field
FieldBinding fieldBinding;
if ((fieldBinding = (FieldBinding) binding).isFinal()) {
// inside a context where allowed
- if (!isCompound && fieldBinding.isBlankFinal() && currentScope.allowBlankFinalFieldAssignment(fieldBinding)) {
+ if (!isCompound
+ && fieldBinding.isBlankFinal()
+ && currentScope
+ .allowBlankFinalFieldAssignment(fieldBinding)) {
if (flowInfo.isPotentiallyAssigned(fieldBinding)) {
- currentScope.problemReporter().duplicateInitializationOfBlankFinalField(fieldBinding, this);
+ currentScope.problemReporter()
+ .duplicateInitializationOfBlankFinalField(
+ fieldBinding, this);
} else {
- flowContext.recordSettingFinal(fieldBinding, this);
+ flowContext.recordSettingFinal(fieldBinding, this);
}
flowInfo.markAsDefinitelyAssigned(fieldBinding);
} else {
- currentScope.problemReporter().cannotAssignToFinalField(fieldBinding, this);
+ currentScope.problemReporter().cannotAssignToFinalField(
+ fieldBinding, this);
}
}
break;
- case LOCAL : // assigning to a local variable
+ case LOCAL: // assigning to a local variable
LocalVariableBinding localBinding = (LocalVariableBinding) binding;
- if (!flowInfo.isDefinitelyAssigned(localBinding)){// for local variable debug attributes
+ if (!flowInfo.isDefinitelyAssigned(localBinding)) {// for local
+ // variable
+ // debug
+ // attributes
bits |= FirstAssignmentToLocalMASK;
} else {
bits &= ~FirstAssignmentToLocalMASK;
}
if (localBinding.isFinal()) {
if ((bits & DepthMASK) == 0) {
- if (isCompound || !localBinding.isBlankFinal()){
- currentScope.problemReporter().cannotAssignToFinalLocal(localBinding, this);
+ if (isCompound || !localBinding.isBlankFinal()) {
+ currentScope.problemReporter()
+ .cannotAssignToFinalLocal(localBinding, this);
} else if (flowInfo.isPotentiallyAssigned(localBinding)) {
- currentScope.problemReporter().duplicateInitializationOfFinalLocal(localBinding, this);
+ currentScope.problemReporter()
+ .duplicateInitializationOfFinalLocal(
+ localBinding, this);
} else {
- flowContext.recordSettingFinal(localBinding, this);
+ flowContext.recordSettingFinal(localBinding, this);
}
} else {
- currentScope.problemReporter().cannotAssignToFinalOuterLocal(localBinding, this);
+ currentScope.problemReporter()
+ .cannotAssignToFinalOuterLocal(localBinding, this);
}
}
flowInfo.markAsDefinitelyAssigned(localBinding);
+ }
+ manageEnclosingInstanceAccessIfNecessary(currentScope);
+ return flowInfo;
}
- manageEnclosingInstanceAccessIfNecessary(currentScope);
- return flowInfo;
-}
-public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo) {
- return analyseCode(currentScope, flowContext, flowInfo, true);
-}
-public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo, boolean valueRequired) {
- switch (bits & RestrictiveFlagMASK) {
- case FIELD : // reading a field
+ public FlowInfo analyseCode(BlockScope currentScope,
+ FlowContext flowContext, FlowInfo flowInfo) {
+ return analyseCode(currentScope, flowContext, flowInfo, true);
+ }
+
+ public FlowInfo analyseCode(BlockScope currentScope,
+ FlowContext flowContext, FlowInfo flowInfo, boolean valueRequired) {
+
+ switch (bits & RestrictiveFlagMASK) {
+ case FIELD: // reading a field
if (valueRequired) {
manageSyntheticReadAccessIfNecessary(currentScope);
}
// check if reading a final blank field
FieldBinding fieldBinding;
- if ((fieldBinding = (FieldBinding) binding).isBlankFinal()
- && currentScope.allowBlankFinalFieldAssignment(fieldBinding)) {
+ if ((fieldBinding = (FieldBinding) binding).isBlankFinal()
+ && currentScope
+ .allowBlankFinalFieldAssignment(fieldBinding)) {
if (!flowInfo.isDefinitelyAssigned(fieldBinding)) {
- currentScope.problemReporter().uninitializedBlankFinalField(fieldBinding, this);
+ currentScope.problemReporter()
+ .uninitializedBlankFinalField(fieldBinding, this);
}
}
break;
-// case LOCAL : // reading a local variable
-// LocalVariableBinding localBinding;
-// if (!flowInfo.isDefinitelyAssigned(localBinding = (LocalVariableBinding) binding)) {
-// currentScope.problemReporter().uninitializedLocalVariable(localBinding, this);
-// }
-// if (flowInfo.isReachable()) {
-// localBinding.useFlag = LocalVariableBinding.USED;
-// } else if (localBinding.useFlag == LocalVariableBinding.UNUSED) {
-// localBinding.useFlag = LocalVariableBinding.FAKE_USED;
-// }
- }
- if (valueRequired) {
- manageEnclosingInstanceAccessIfNecessary(currentScope);
- }
- return flowInfo;
-}
-public TypeBinding checkFieldAccess(BlockScope scope) {
-
- FieldBinding fieldBinding = (FieldBinding) binding;
-
- bits &= ~RestrictiveFlagMASK; // clear bits
- bits |= FIELD;
- if (!((FieldBinding) binding).isStatic()) {
- // must check for the static status....
- if (scope.methodScope().isStatic) {
- scope.problemReporter().staticFieldAccessToNonStaticVariable(this, fieldBinding);
- constant = NotAConstant;
- return fieldBinding.type;
+ // case LOCAL : // reading a local variable
+ // LocalVariableBinding localBinding;
+ // if (!flowInfo.isDefinitelyAssigned(localBinding =
+ // (LocalVariableBinding) binding)) {
+ // currentScope.problemReporter().uninitializedLocalVariable(localBinding,
+ // this);
+ // }
+ // if (flowInfo.isReachable()) {
+ // localBinding.useFlag = LocalVariableBinding.USED;
+ // } else if (localBinding.useFlag == LocalVariableBinding.UNUSED) {
+ // localBinding.useFlag = LocalVariableBinding.FAKE_USED;
+ // }
}
+ if (valueRequired) {
+ manageEnclosingInstanceAccessIfNecessary(currentScope);
+ }
+ return flowInfo;
}
- constant = FieldReference.getConstantFor(fieldBinding, this, true, scope);
-
- if (isFieldUseDeprecated(fieldBinding, scope))
- scope.problemReporter().deprecatedField(fieldBinding, this);
-
- MethodScope ms = scope.methodScope();
- if ((this.bits & IsStrictlyAssignedMASK) == 0
- && ms.enclosingSourceType() == fieldBinding.declaringClass
- && ms.fieldDeclarationIndex != MethodScope.NotInFieldDecl
- && fieldBinding.id >= ms.fieldDeclarationIndex) {
- //if the field is static and ms is not .... then it is valid
- if (!fieldBinding.isStatic() || ms.isStatic)
- scope.problemReporter().forwardReference(this, 0, scope.enclosingSourceType());
- }
- //====================================================
- return fieldBinding.type;
+ public TypeBinding checkFieldAccess(BlockScope scope) {
+
+ FieldBinding fieldBinding = (FieldBinding) binding;
+
+ bits &= ~RestrictiveFlagMASK; // clear bits
+ bits |= FIELD;
+ if (!((FieldBinding) binding).isStatic()) {
+ // must check for the static status....
+ if (scope.methodScope().isStatic) {
+ scope.problemReporter().staticFieldAccessToNonStaticVariable(
+ this, fieldBinding);
+ constant = NotAConstant;
+ return fieldBinding.type;
+ }
+ }
+ constant = FieldReference.getConstantFor(fieldBinding, this, true,
+ scope);
+
+ if (isFieldUseDeprecated(fieldBinding, scope))
+ scope.problemReporter().deprecatedField(fieldBinding, this);
+
+ MethodScope ms = scope.methodScope();
+ if ((this.bits & IsStrictlyAssignedMASK) == 0
+ && ms.enclosingSourceType() == fieldBinding.declaringClass
+ && ms.fieldDeclarationIndex != MethodScope.NotInFieldDecl
+ && fieldBinding.id >= ms.fieldDeclarationIndex) {
+ // if the field is static and ms is not .... then it is valid
+ if (!fieldBinding.isStatic() || ms.isStatic)
+ scope.problemReporter().forwardReference(this, 0,
+ scope.enclosingSourceType());
+ }
+ // ====================================================
+
+ return fieldBinding.type;
-}
-//public void generateAssignment(BlockScope currentScope, CodeStream codeStream, Assignment assignment, boolean valueRequired) {
-//
-// // optimizing assignment like: i = i + 1 or i = 1 + i
-// if (assignment.expression.isCompactableOperation()) {
-// BinaryExpression operation = (BinaryExpression) assignment.expression;
-// SingleNameReference variableReference;
-// if ((operation.left instanceof SingleNameReference) && ((variableReference = (SingleNameReference) operation.left).binding == binding)) {
-// // i = i + value, then use the variable on the right hand side, since it has the correct implicit conversion
-// variableReference.generateCompoundAssignment(currentScope, codeStream, syntheticAccessors == null ? null : syntheticAccessors[WRITE], operation.right, (operation.bits & OperatorMASK) >> OperatorSHIFT, operation.left.implicitConversion /*should be equivalent to no conversion*/, valueRequired);
-// return;
-// }
-// int operator = (operation.bits & OperatorMASK) >> OperatorSHIFT;
-// if ((operation.right instanceof SingleNameReference)
-// && ((operator == PLUS) || (operator == MULTIPLY)) // only commutative operations
-// && ((variableReference = (SingleNameReference) operation.right).binding == binding)
-// && (operation.left.constant != NotAConstant) // exclude non constant expressions, since could have side-effect
-// && ((operation.left.implicitConversion >> 4) != T_String) // exclude string concatenation which would occur backwards
-// && ((operation.right.implicitConversion >> 4) != T_String)) { // exclude string concatenation which would occur backwards
-// // i = value + i, then use the variable on the right hand side, since it has the correct implicit conversion
-// variableReference.generateCompoundAssignment(currentScope, codeStream, syntheticAccessors == null ? null : syntheticAccessors[WRITE], operation.left, operator, operation.right.implicitConversion /*should be equivalent to no conversion*/, valueRequired);
-// return;
-// }
-// }
-// switch (bits & RestrictiveFlagMASK) {
-// case FIELD : // assigning to a field
-// FieldBinding fieldBinding;
-// if (!(fieldBinding = (FieldBinding) this.codegenBinding).isStatic()) { // need a receiver?
-// if ((bits & DepthMASK) != 0) {
-// ReferenceBinding targetType = currentScope.enclosingSourceType().enclosingTypeAt((bits & DepthMASK) >> DepthSHIFT);
-// Object[] emulationPath = currentScope.getEmulationPath(targetType, true /*only exact match*/, false/*consider enclosing arg*/);
-// codeStream.generateOuterAccess(emulationPath, this, targetType, currentScope);
-// } else {
-// this.generateReceiver(codeStream);
-// }
-// }
-// assignment.expression.generateCode(currentScope, codeStream, true);
-// fieldStore(codeStream, fieldBinding, syntheticAccessors == null ? null : syntheticAccessors[WRITE], valueRequired);
-// if (valueRequired) {
-// codeStream.generateImplicitConversion(assignment.implicitConversion);
-// }
-// return;
-// case LOCAL : // assigning to a local variable
-// LocalVariableBinding localBinding = (LocalVariableBinding) this.codegenBinding;
-// if (localBinding.resolvedPosition != -1) {
-// assignment.expression.generateCode(currentScope, codeStream, true);
-// } else {
-// if (assignment.expression.constant != NotAConstant) {
-// // assigning an unused local to a constant value = no actual assignment is necessary
-// if (valueRequired) {
-// codeStream.generateConstant(assignment.expression.constant, assignment.implicitConversion);
-// }
-// } else {
-// assignment.expression.generateCode(currentScope, codeStream, true);
-// /* Even though the value may not be required, we force it to be produced, and discard it later
-// on if it was actually not necessary, so as to provide the same behavior as JDK1.2beta3. */
-// if (valueRequired) {
-// codeStream.generateImplicitConversion(assignment.implicitConversion); // implicit conversion
-// } else {
-// if ((localBinding.type == LongBinding) || (localBinding.type == DoubleBinding)) {
-// codeStream.pop2();
-// } else {
-// codeStream.pop();
-// }
-// }
-// }
-// return;
-// }
-// // 26903, need extra cast to store null in array local var
-// if (localBinding.type.isArrayType()
-// && (assignment.expression.resolvedType == NullBinding // arrayLoc = null
-// || ((assignment.expression instanceof CastExpression) // arrayLoc = (type[])null
-// && (((CastExpression)assignment.expression).innermostCastedExpression().resolvedType == NullBinding)))){
-// codeStream.checkcast(localBinding.type);
-// }
-//
-// // normal local assignment (since cannot store in outer local which are final locations)
-// codeStream.store(localBinding, valueRequired);
-// if ((bits & FirstAssignmentToLocalMASK) != 0) { // for local variable debug attributes
-// localBinding.recordInitializationStartPC(codeStream.position);
-// }
-// // implicit conversion
-// if (valueRequired) {
-// codeStream.generateImplicitConversion(assignment.implicitConversion);
-// }
-// }
-//}
-//public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) {
-// int pc = codeStream.position;
-// if (constant != NotAConstant) {
-// if (valueRequired) {
-// codeStream.generateConstant(constant, implicitConversion);
-// }
-// } else {
-// switch (bits & RestrictiveFlagMASK) {
-// case FIELD : // reading a field
-// FieldBinding fieldBinding;
-// if (valueRequired) {
-// if ((fieldBinding = (FieldBinding) this.codegenBinding).constant == NotAConstant) { // directly use inlined value for constant fields
-// boolean isStatic;
-// if (!(isStatic = fieldBinding.isStatic())) {
-// if ((bits & DepthMASK) != 0) {
-// ReferenceBinding targetType = currentScope.enclosingSourceType().enclosingTypeAt((bits & DepthMASK) >> DepthSHIFT);
-// Object[] emulationPath = currentScope.getEmulationPath(targetType, true /*only exact match*/, false/*consider enclosing arg*/);
-// codeStream.generateOuterAccess(emulationPath, this, targetType, currentScope);
-// } else {
-// generateReceiver(codeStream);
-// }
-// }
-// // managing private access
-// if ((syntheticAccessors == null) || (syntheticAccessors[READ] == null)) {
-// if (isStatic) {
-// codeStream.getstatic(fieldBinding);
-// } else {
-// codeStream.getfield(fieldBinding);
-// }
-// } else {
-// codeStream.invokestatic(syntheticAccessors[READ]);
-// }
-// codeStream.generateImplicitConversion(implicitConversion);
-// } else { // directly use the inlined value
-// codeStream.generateConstant(fieldBinding.constant, implicitConversion);
-// }
-// }
-// break;
-// case LOCAL : // reading a local
-// LocalVariableBinding localBinding = (LocalVariableBinding) this.codegenBinding;
-// if (valueRequired) {
-// // outer local?
-// if ((bits & DepthMASK) != 0) {
-// // outer local can be reached either through a synthetic arg or a synthetic field
-// VariableBinding[] path = currentScope.getEmulationPath(localBinding);
-// codeStream.generateOuterAccess(path, this, localBinding, currentScope);
-// } else {
-// // regular local variable read
-// codeStream.load(localBinding);
-// }
-// codeStream.generateImplicitConversion(implicitConversion);
-// }
-// }
-// }
-// codeStream.recordPositionsFrom(pc, this.sourceStart);
-//}
-///*
-// * Regular API for compound assignment, relies on the fact that there is only one reference to the
-// * variable, which carries both synthetic read/write accessors.
-// * The APIs with an extra argument is used whenever there are two references to the same variable which
-// * are optimized in one access: e.g "a = a + 1" optimized into "a++".
-// */
-//public void generateCompoundAssignment(BlockScope currentScope, CodeStream codeStream, Expression expression, int operator, int assignmentImplicitConversion, boolean valueRequired) {
-//
-// this.generateCompoundAssignment(
-// currentScope,
-// codeStream,
-// syntheticAccessors == null ? null : syntheticAccessors[WRITE],
-// expression,
-// operator,
-// assignmentImplicitConversion,
-// valueRequired);
-//}
-///*
-// * The APIs with an extra argument is used whenever there are two references to the same variable which
-// * are optimized in one access: e.g "a = a + 1" optimized into "a++".
-// */
-//public void generateCompoundAssignment(BlockScope currentScope, CodeStream codeStream, MethodBinding writeAccessor, Expression expression, int operator, int assignmentImplicitConversion, boolean valueRequired) {
-// switch (bits & RestrictiveFlagMASK) {
-// case FIELD : // assigning to a field
-// FieldBinding fieldBinding;
-// if ((fieldBinding = (FieldBinding) this.codegenBinding).isStatic()) {
-// if ((syntheticAccessors == null) || (syntheticAccessors[READ] == null)) {
-// codeStream.getstatic(fieldBinding);
-// } else {
-// codeStream.invokestatic(syntheticAccessors[READ]);
-// }
-// } else {
-// if ((bits & DepthMASK) != 0) {
-// ReferenceBinding targetType = currentScope.enclosingSourceType().enclosingTypeAt((bits & DepthMASK) >> DepthSHIFT);
-// Object[] emulationPath = currentScope.getEmulationPath(targetType, true /*only exact match*/, false/*consider enclosing arg*/);
-// codeStream.generateOuterAccess(emulationPath, this, targetType, currentScope);
-// } else {
-// codeStream.aload_0();
-// }
-// codeStream.dup();
-// if ((syntheticAccessors == null) || (syntheticAccessors[READ] == null)) {
-// codeStream.getfield(fieldBinding);
-// } else {
-// codeStream.invokestatic(syntheticAccessors[READ]);
-// }
-// }
-// break;
-// case LOCAL : // assigning to a local variable (cannot assign to outer local)
-// LocalVariableBinding localBinding = (LocalVariableBinding) this.codegenBinding;
-// Constant assignConstant;
-// int increment;
-// // using incr bytecode if possible
-// switch (localBinding.type.id) {
-// case T_String :
-// codeStream.generateStringAppend(currentScope, this, expression);
-// if (valueRequired) {
-// codeStream.dup();
-// }
-// codeStream.store(localBinding, false);
-// return;
-// case T_int :
-// if (((assignConstant = expression.constant) != NotAConstant)
-// && (assignConstant.typeID() != T_float) // only for integral types
-// && (assignConstant.typeID() != T_double)
-// && ((increment = assignConstant.intValue()) == (short) increment)) { // 16 bits value
-// switch (operator) {
-// case PLUS :
-// codeStream.iinc(localBinding.resolvedPosition, increment);
-// if (valueRequired) {
-// codeStream.load(localBinding);
-// }
-// return;
-// case MINUS :
-// codeStream.iinc(localBinding.resolvedPosition, -increment);
-// if (valueRequired) {
-// codeStream.load(localBinding);
-// }
-// return;
-// }
-// }
-// default :
-// codeStream.load(localBinding);
-// }
-// }
-// // perform the actual compound operation
-// int operationTypeID;
-// if ((operationTypeID = implicitConversion >> 4) == T_String || operationTypeID == T_Object) {
-// // we enter here if the single name reference is a field of type java.lang.String or if the type of the
-// // operation is java.lang.Object
-// // For example: o = o + ""; // where the compiled type of o is java.lang.Object.
-// codeStream.generateStringAppend(currentScope, null, expression);
-// } else {
-// // promote the array reference to the suitable operation type
-// codeStream.generateImplicitConversion(implicitConversion);
-// // generate the increment value (will by itself be promoted to the operation value)
-// if (expression == IntLiteral.One){ // prefix operation
-// codeStream.generateConstant(expression.constant, implicitConversion);
-// } else {
-// expression.generateCode(currentScope, codeStream, true);
-// }
-// // perform the operation
-// codeStream.sendOperator(operator, operationTypeID);
-// // cast the value back to the array reference type
-// codeStream.generateImplicitConversion(assignmentImplicitConversion);
-// }
-// // store the result back into the variable
-// switch (bits & RestrictiveFlagMASK) {
-// case FIELD : // assigning to a field
-// fieldStore(codeStream, (FieldBinding) this.codegenBinding, writeAccessor, valueRequired);
-// return;
-// case LOCAL : // assigning to a local variable
-// LocalVariableBinding localBinding = (LocalVariableBinding) this.codegenBinding;
-// if (valueRequired) {
-// if ((localBinding.type == LongBinding) || (localBinding.type == DoubleBinding)) {
-// codeStream.dup2();
-// } else {
-// codeStream.dup();
-// }
-// }
-// codeStream.store(localBinding, false);
-// }
-//}
-//public void generatePostIncrement(BlockScope currentScope, CodeStream codeStream, CompoundAssignment postIncrement, boolean valueRequired) {
-// switch (bits & RestrictiveFlagMASK) {
-// case FIELD : // assigning to a field
-// FieldBinding fieldBinding;
-// if ((fieldBinding = (FieldBinding) this.codegenBinding).isStatic()) {
-// if ((syntheticAccessors == null) || (syntheticAccessors[READ] == null)) {
-// codeStream.getstatic(fieldBinding);
-// } else {
-// codeStream.invokestatic(syntheticAccessors[READ]);
-// }
-// } else {
-// if ((bits & DepthMASK) != 0) {
-// ReferenceBinding targetType = currentScope.enclosingSourceType().enclosingTypeAt((bits & DepthMASK) >> DepthSHIFT);
-// Object[] emulationPath = currentScope.getEmulationPath(targetType, true /*only exact match*/, false/*consider enclosing arg*/);
-// codeStream.generateOuterAccess(emulationPath, this, targetType, currentScope);
-// } else {
-// codeStream.aload_0();
-// }
-// codeStream.dup();
-// if ((syntheticAccessors == null) || (syntheticAccessors[READ] == null)) {
-// codeStream.getfield(fieldBinding);
-// } else {
-// codeStream.invokestatic(syntheticAccessors[READ]);
-// }
-// }
-// if (valueRequired) {
-// if (fieldBinding.isStatic()) {
-// if ((fieldBinding.type == LongBinding) || (fieldBinding.type == DoubleBinding)) {
-// codeStream.dup2();
-// } else {
-// codeStream.dup();
-// }
-// } else { // Stack: [owner][old field value] ---> [old field value][owner][old field value]
-// if ((fieldBinding.type == LongBinding) || (fieldBinding.type == DoubleBinding)) {
-// codeStream.dup2_x1();
-// } else {
-// codeStream.dup_x1();
-// }
-// }
-// }
-// codeStream.generateConstant(postIncrement.expression.constant, implicitConversion);
-// codeStream.sendOperator(postIncrement.operator, fieldBinding.type.id);
-// codeStream.generateImplicitConversion(postIncrement.assignmentImplicitConversion);
-// fieldStore(codeStream, fieldBinding, syntheticAccessors == null ? null : syntheticAccessors[WRITE], false);
-// return;
-// case LOCAL : // assigning to a local variable
-// LocalVariableBinding localBinding = (LocalVariableBinding) this.codegenBinding;
-// // using incr bytecode if possible
-// if (localBinding.type == IntBinding) {
-// if (valueRequired) {
-// codeStream.load(localBinding);
-// }
-// if (postIncrement.operator == PLUS) {
-// codeStream.iinc(localBinding.resolvedPosition, 1);
-// } else {
-// codeStream.iinc(localBinding.resolvedPosition, -1);
-// }
-// } else {
-// codeStream.load(localBinding);
-// if (valueRequired){
-// if ((localBinding.type == LongBinding) || (localBinding.type == DoubleBinding)) {
-// codeStream.dup2();
-// } else {
-// codeStream.dup();
-// }
-// }
-// codeStream.generateConstant(postIncrement.expression.constant, implicitConversion);
-// codeStream.sendOperator(postIncrement.operator, localBinding.type.id);
-// codeStream.generateImplicitConversion(postIncrement.assignmentImplicitConversion);
-//
-// codeStream.store(localBinding, false);
-// }
-// }
-//}
-//public void generateReceiver(CodeStream codeStream) {
-// codeStream.aload_0();
-//}
-public void manageEnclosingInstanceAccessIfNecessary(BlockScope currentScope) {
-
- //If inlinable field, forget the access emulation, the code gen will directly target it
- if (((bits & DepthMASK) == 0) || (constant != NotAConstant)) return;
-
- if ((bits & RestrictiveFlagMASK) == LOCAL) {
- currentScope.emulateOuterAccess((LocalVariableBinding) binding);
}
-}
-public void manageSyntheticReadAccessIfNecessary(BlockScope currentScope) {
- //If inlinable field, forget the access emulation, the code gen will directly target it
- if (constant != NotAConstant)
- return;
+ // public void generateAssignment(BlockScope currentScope, CodeStream
+ // codeStream, Assignment assignment, boolean valueRequired) {
+ //
+ // // optimizing assignment like: i = i + 1 or i = 1 + i
+ // if (assignment.expression.isCompactableOperation()) {
+ // BinaryExpression operation = (BinaryExpression) assignment.expression;
+ // SingleNameReference variableReference;
+ // if ((operation.left instanceof SingleNameReference) &&
+ // ((variableReference = (SingleNameReference) operation.left).binding ==
+ // binding)) {
+ // // i = i + value, then use the variable on the right hand side, since it
+ // has the correct implicit conversion
+ // variableReference.generateCompoundAssignment(currentScope, codeStream,
+ // syntheticAccessors == null ? null : syntheticAccessors[WRITE],
+ // operation.right, (operation.bits & OperatorMASK) >> OperatorSHIFT,
+ // operation.left.implicitConversion /*should be equivalent to no
+ // conversion*/, valueRequired);
+ // return;
+ // }
+ // int operator = (operation.bits & OperatorMASK) >> OperatorSHIFT;
+ // if ((operation.right instanceof SingleNameReference)
+ // && ((operator == PLUS) || (operator == MULTIPLY)) // only commutative
+ // operations
+ // && ((variableReference = (SingleNameReference) operation.right).binding
+ // == binding)
+ // && (operation.left.constant != NotAConstant) // exclude non constant
+ // expressions, since could have side-effect
+ // && ((operation.left.implicitConversion >> 4) != T_String) // exclude
+ // string concatenation which would occur backwards
+ // && ((operation.right.implicitConversion >> 4) != T_String)) { // exclude
+ // string concatenation which would occur backwards
+ // // i = value + i, then use the variable on the right hand side, since it
+ // has the correct implicit conversion
+ // variableReference.generateCompoundAssignment(currentScope, codeStream,
+ // syntheticAccessors == null ? null : syntheticAccessors[WRITE],
+ // operation.left, operator, operation.right.implicitConversion /*should be
+ // equivalent to no conversion*/, valueRequired);
+ // return;
+ // }
+ // }
+ // switch (bits & RestrictiveFlagMASK) {
+ // case FIELD : // assigning to a field
+ // FieldBinding fieldBinding;
+ // if (!(fieldBinding = (FieldBinding) this.codegenBinding).isStatic()) { //
+ // need a receiver?
+ // if ((bits & DepthMASK) != 0) {
+ // ReferenceBinding targetType =
+ // currentScope.enclosingSourceType().enclosingTypeAt((bits & DepthMASK) >>
+ // DepthSHIFT);
+ // Object[] emulationPath = currentScope.getEmulationPath(targetType, true
+ // /*only exact match*/, false/*consider enclosing arg*/);
+ // codeStream.generateOuterAccess(emulationPath, this, targetType,
+ // currentScope);
+ // } else {
+ // this.generateReceiver(codeStream);
+ // }
+ // }
+ // assignment.expression.generateCode(currentScope, codeStream, true);
+ // fieldStore(codeStream, fieldBinding, syntheticAccessors == null ? null :
+ // syntheticAccessors[WRITE], valueRequired);
+ // if (valueRequired) {
+ // codeStream.generateImplicitConversion(assignment.implicitConversion);
+ // }
+ // return;
+ // case LOCAL : // assigning to a local variable
+ // LocalVariableBinding localBinding = (LocalVariableBinding)
+ // this.codegenBinding;
+ // if (localBinding.resolvedPosition != -1) {
+ // assignment.expression.generateCode(currentScope, codeStream, true);
+ // } else {
+ // if (assignment.expression.constant != NotAConstant) {
+ // // assigning an unused local to a constant value = no actual assignment
+ // is necessary
+ // if (valueRequired) {
+ // codeStream.generateConstant(assignment.expression.constant,
+ // assignment.implicitConversion);
+ // }
+ // } else {
+ // assignment.expression.generateCode(currentScope, codeStream, true);
+ // /* Even though the value may not be required, we force it to be produced,
+ // and discard it later
+ // on if it was actually not necessary, so as to provide the same behavior
+ // as JDK1.2beta3. */
+ // if (valueRequired) {
+ // codeStream.generateImplicitConversion(assignment.implicitConversion); //
+ // implicit conversion
+ // } else {
+ // if ((localBinding.type == LongBinding) || (localBinding.type ==
+ // DoubleBinding)) {
+ // codeStream.pop2();
+ // } else {
+ // codeStream.pop();
+ // }
+ // }
+ // }
+ // return;
+ // }
+ // // 26903, need extra cast to store null in array local var
+ // if (localBinding.type.isArrayType()
+ // && (assignment.expression.resolvedType == NullBinding // arrayLoc = null
+ // || ((assignment.expression instanceof CastExpression) // arrayLoc =
+ // (type[])null
+ // &&
+ // (((CastExpression)assignment.expression).innermostCastedExpression().resolvedType
+ // == NullBinding)))){
+ // codeStream.checkcast(localBinding.type);
+ // }
+ //
+ // // normal local assignment (since cannot store in outer local which are
+ // final locations)
+ // codeStream.store(localBinding, valueRequired);
+ // if ((bits & FirstAssignmentToLocalMASK) != 0) { // for local variable
+ // debug attributes
+ // localBinding.recordInitializationStartPC(codeStream.position);
+ // }
+ // // implicit conversion
+ // if (valueRequired) {
+ // codeStream.generateImplicitConversion(assignment.implicitConversion);
+ // }
+ // }
+ // }
+ // public void generateCode(BlockScope currentScope, CodeStream codeStream,
+ // boolean valueRequired) {
+ // int pc = codeStream.position;
+ // if (constant != NotAConstant) {
+ // if (valueRequired) {
+ // codeStream.generateConstant(constant, implicitConversion);
+ // }
+ // } else {
+ // switch (bits & RestrictiveFlagMASK) {
+ // case FIELD : // reading a field
+ // FieldBinding fieldBinding;
+ // if (valueRequired) {
+ // if ((fieldBinding = (FieldBinding) this.codegenBinding).constant ==
+ // NotAConstant) { // directly use inlined value for constant fields
+ // boolean isStatic;
+ // if (!(isStatic = fieldBinding.isStatic())) {
+ // if ((bits & DepthMASK) != 0) {
+ // ReferenceBinding targetType =
+ // currentScope.enclosingSourceType().enclosingTypeAt((bits & DepthMASK) >>
+ // DepthSHIFT);
+ // Object[] emulationPath = currentScope.getEmulationPath(targetType, true
+ // /*only exact match*/, false/*consider enclosing arg*/);
+ // codeStream.generateOuterAccess(emulationPath, this, targetType,
+ // currentScope);
+ // } else {
+ // generateReceiver(codeStream);
+ // }
+ // }
+ // // managing private access
+ // if ((syntheticAccessors == null) || (syntheticAccessors[READ] == null)) {
+ // if (isStatic) {
+ // codeStream.getstatic(fieldBinding);
+ // } else {
+ // codeStream.getfield(fieldBinding);
+ // }
+ // } else {
+ // codeStream.invokestatic(syntheticAccessors[READ]);
+ // }
+ // codeStream.generateImplicitConversion(implicitConversion);
+ // } else { // directly use the inlined value
+ // codeStream.generateConstant(fieldBinding.constant, implicitConversion);
+ // }
+ // }
+ // break;
+ // case LOCAL : // reading a local
+ // LocalVariableBinding localBinding = (LocalVariableBinding)
+ // this.codegenBinding;
+ // if (valueRequired) {
+ // // outer local?
+ // if ((bits & DepthMASK) != 0) {
+ // // outer local can be reached either through a synthetic arg or a
+ // synthetic field
+ // VariableBinding[] path = currentScope.getEmulationPath(localBinding);
+ // codeStream.generateOuterAccess(path, this, localBinding, currentScope);
+ // } else {
+ // // regular local variable read
+ // codeStream.load(localBinding);
+ // }
+ // codeStream.generateImplicitConversion(implicitConversion);
+ // }
+ // }
+ // }
+ // codeStream.recordPositionsFrom(pc, this.sourceStart);
+ // }
+ // /*
+ // * Regular API for compound assignment, relies on the fact that there is
+ // only one reference to the
+ // * variable, which carries both synthetic read/write accessors.
+ // * The APIs with an extra argument is used whenever there are two
+ // references to the same variable which
+ // * are optimized in one access: e.g "a = a + 1" optimized into "a++".
+ // */
+ // public void generateCompoundAssignment(BlockScope currentScope,
+ // CodeStream codeStream, Expression expression, int operator, int
+ // assignmentImplicitConversion, boolean valueRequired) {
+ //
+ // this.generateCompoundAssignment(
+ // currentScope,
+ // codeStream,
+ // syntheticAccessors == null ? null : syntheticAccessors[WRITE],
+ // expression,
+ // operator,
+ // assignmentImplicitConversion,
+ // valueRequired);
+ // }
+ // /*
+ // * The APIs with an extra argument is used whenever there are two
+ // references to the same variable which
+ // * are optimized in one access: e.g "a = a + 1" optimized into "a++".
+ // */
+ // public void generateCompoundAssignment(BlockScope currentScope,
+ // CodeStream codeStream, MethodBinding writeAccessor, Expression
+ // expression, int operator, int assignmentImplicitConversion, boolean
+ // valueRequired) {
+ // switch (bits & RestrictiveFlagMASK) {
+ // case FIELD : // assigning to a field
+ // FieldBinding fieldBinding;
+ // if ((fieldBinding = (FieldBinding) this.codegenBinding).isStatic()) {
+ // if ((syntheticAccessors == null) || (syntheticAccessors[READ] == null)) {
+ // codeStream.getstatic(fieldBinding);
+ // } else {
+ // codeStream.invokestatic(syntheticAccessors[READ]);
+ // }
+ // } else {
+ // if ((bits & DepthMASK) != 0) {
+ // ReferenceBinding targetType =
+ // currentScope.enclosingSourceType().enclosingTypeAt((bits & DepthMASK) >>
+ // DepthSHIFT);
+ // Object[] emulationPath = currentScope.getEmulationPath(targetType, true
+ // /*only exact match*/, false/*consider enclosing arg*/);
+ // codeStream.generateOuterAccess(emulationPath, this, targetType,
+ // currentScope);
+ // } else {
+ // codeStream.aload_0();
+ // }
+ // codeStream.dup();
+ // if ((syntheticAccessors == null) || (syntheticAccessors[READ] == null)) {
+ // codeStream.getfield(fieldBinding);
+ // } else {
+ // codeStream.invokestatic(syntheticAccessors[READ]);
+ // }
+ // }
+ // break;
+ // case LOCAL : // assigning to a local variable (cannot assign to outer
+ // local)
+ // LocalVariableBinding localBinding = (LocalVariableBinding)
+ // this.codegenBinding;
+ // Constant assignConstant;
+ // int increment;
+ // // using incr bytecode if possible
+ // switch (localBinding.type.id) {
+ // case T_String :
+ // codeStream.generateStringAppend(currentScope, this, expression);
+ // if (valueRequired) {
+ // codeStream.dup();
+ // }
+ // codeStream.store(localBinding, false);
+ // return;
+ // case T_int :
+ // if (((assignConstant = expression.constant) != NotAConstant)
+ // && (assignConstant.typeID() != T_float) // only for integral types
+ // && (assignConstant.typeID() != T_double)
+ // && ((increment = assignConstant.intValue()) == (short) increment)) { //
+ // 16 bits value
+ // switch (operator) {
+ // case PLUS :
+ // codeStream.iinc(localBinding.resolvedPosition, increment);
+ // if (valueRequired) {
+ // codeStream.load(localBinding);
+ // }
+ // return;
+ // case MINUS :
+ // codeStream.iinc(localBinding.resolvedPosition, -increment);
+ // if (valueRequired) {
+ // codeStream.load(localBinding);
+ // }
+ // return;
+ // }
+ // }
+ // default :
+ // codeStream.load(localBinding);
+ // }
+ // }
+ // // perform the actual compound operation
+ // int operationTypeID;
+ // if ((operationTypeID = implicitConversion >> 4) == T_String ||
+ // operationTypeID == T_Object) {
+ // // we enter here if the single name reference is a field of type
+ // java.lang.String or if the type of the
+ // // operation is java.lang.Object
+ // // For example: o = o + ""; // where the compiled type of o is
+ // java.lang.Object.
+ // codeStream.generateStringAppend(currentScope, null, expression);
+ // } else {
+ // // promote the array reference to the suitable operation type
+ // codeStream.generateImplicitConversion(implicitConversion);
+ // // generate the increment value (will by itself be promoted to the
+ // operation value)
+ // if (expression == IntLiteral.One){ // prefix operation
+ // codeStream.generateConstant(expression.constant, implicitConversion);
+ // } else {
+ // expression.generateCode(currentScope, codeStream, true);
+ // }
+ // // perform the operation
+ // codeStream.sendOperator(operator, operationTypeID);
+ // // cast the value back to the array reference type
+ // codeStream.generateImplicitConversion(assignmentImplicitConversion);
+ // }
+ // // store the result back into the variable
+ // switch (bits & RestrictiveFlagMASK) {
+ // case FIELD : // assigning to a field
+ // fieldStore(codeStream, (FieldBinding) this.codegenBinding, writeAccessor,
+ // valueRequired);
+ // return;
+ // case LOCAL : // assigning to a local variable
+ // LocalVariableBinding localBinding = (LocalVariableBinding)
+ // this.codegenBinding;
+ // if (valueRequired) {
+ // if ((localBinding.type == LongBinding) || (localBinding.type ==
+ // DoubleBinding)) {
+ // codeStream.dup2();
+ // } else {
+ // codeStream.dup();
+ // }
+ // }
+ // codeStream.store(localBinding, false);
+ // }
+ // }
+ // public void generatePostIncrement(BlockScope currentScope, CodeStream
+ // codeStream, CompoundAssignment postIncrement, boolean valueRequired) {
+ // switch (bits & RestrictiveFlagMASK) {
+ // case FIELD : // assigning to a field
+ // FieldBinding fieldBinding;
+ // if ((fieldBinding = (FieldBinding) this.codegenBinding).isStatic()) {
+ // if ((syntheticAccessors == null) || (syntheticAccessors[READ] == null)) {
+ // codeStream.getstatic(fieldBinding);
+ // } else {
+ // codeStream.invokestatic(syntheticAccessors[READ]);
+ // }
+ // } else {
+ // if ((bits & DepthMASK) != 0) {
+ // ReferenceBinding targetType =
+ // currentScope.enclosingSourceType().enclosingTypeAt((bits & DepthMASK) >>
+ // DepthSHIFT);
+ // Object[] emulationPath = currentScope.getEmulationPath(targetType, true
+ // /*only exact match*/, false/*consider enclosing arg*/);
+ // codeStream.generateOuterAccess(emulationPath, this, targetType,
+ // currentScope);
+ // } else {
+ // codeStream.aload_0();
+ // }
+ // codeStream.dup();
+ // if ((syntheticAccessors == null) || (syntheticAccessors[READ] == null)) {
+ // codeStream.getfield(fieldBinding);
+ // } else {
+ // codeStream.invokestatic(syntheticAccessors[READ]);
+ // }
+ // }
+ // if (valueRequired) {
+ // if (fieldBinding.isStatic()) {
+ // if ((fieldBinding.type == LongBinding) || (fieldBinding.type ==
+ // DoubleBinding)) {
+ // codeStream.dup2();
+ // } else {
+ // codeStream.dup();
+ // }
+ // } else { // Stack: [owner][old field value] ---> [old field
+ // value][owner][old field value]
+ // if ((fieldBinding.type == LongBinding) || (fieldBinding.type ==
+ // DoubleBinding)) {
+ // codeStream.dup2_x1();
+ // } else {
+ // codeStream.dup_x1();
+ // }
+ // }
+ // }
+ // codeStream.generateConstant(postIncrement.expression.constant,
+ // implicitConversion);
+ // codeStream.sendOperator(postIncrement.operator, fieldBinding.type.id);
+ // codeStream.generateImplicitConversion(postIncrement.assignmentImplicitConversion);
+ // fieldStore(codeStream, fieldBinding, syntheticAccessors == null ? null :
+ // syntheticAccessors[WRITE], false);
+ // return;
+ // case LOCAL : // assigning to a local variable
+ // LocalVariableBinding localBinding = (LocalVariableBinding)
+ // this.codegenBinding;
+ // // using incr bytecode if possible
+ // if (localBinding.type == IntBinding) {
+ // if (valueRequired) {
+ // codeStream.load(localBinding);
+ // }
+ // if (postIncrement.operator == PLUS) {
+ // codeStream.iinc(localBinding.resolvedPosition, 1);
+ // } else {
+ // codeStream.iinc(localBinding.resolvedPosition, -1);
+ // }
+ // } else {
+ // codeStream.load(localBinding);
+ // if (valueRequired){
+ // if ((localBinding.type == LongBinding) || (localBinding.type ==
+ // DoubleBinding)) {
+ // codeStream.dup2();
+ // } else {
+ // codeStream.dup();
+ // }
+ // }
+ // codeStream.generateConstant(postIncrement.expression.constant,
+ // implicitConversion);
+ // codeStream.sendOperator(postIncrement.operator, localBinding.type.id);
+ // codeStream.generateImplicitConversion(postIncrement.assignmentImplicitConversion);
+ //
+ // codeStream.store(localBinding, false);
+ // }
+ // }
+ // }
+ // public void generateReceiver(CodeStream codeStream) {
+ // codeStream.aload_0();
+ // }
+ public void manageEnclosingInstanceAccessIfNecessary(BlockScope currentScope) {
- if ((bits & FIELD) != 0) {
- FieldBinding fieldBinding = (FieldBinding) binding;
- if (((bits & DepthMASK) != 0)
- && (fieldBinding.isPrivate() // private access
- || (fieldBinding.isProtected() // implicit protected access
- && fieldBinding.declaringClass.getPackage()
- != currentScope.enclosingSourceType().getPackage()))) {
- if (syntheticAccessors == null)
- syntheticAccessors = new MethodBinding[2];
- syntheticAccessors[READ] =
- ((SourceTypeBinding)currentScope.enclosingSourceType().
- enclosingTypeAt((bits & DepthMASK) >> DepthSHIFT)).
- addSyntheticMethod(fieldBinding, true);
- currentScope.problemReporter().needToEmulateFieldReadAccess(fieldBinding, this);
+ // If inlinable field, forget the access emulation, the code gen will
+ // directly target it
+ if (((bits & DepthMASK) == 0) || (constant != NotAConstant))
return;
+
+ if ((bits & RestrictiveFlagMASK) == LOCAL) {
+ currentScope.emulateOuterAccess((LocalVariableBinding) binding);
}
- // if the binding declaring class is not visible, need special action
- // for runtime compatibility on 1.2 VMs : change the declaring class of the binding
- // NOTE: from target 1.2 on, field's declaring class is touched if any different from receiver type
- // and not from Object or implicit static field access.
-// if (fieldBinding.declaringClass != this.actualReceiverType
-// && !this.actualReceiverType.isArrayType()
-// && fieldBinding.declaringClass != null
-// && fieldBinding.constant == NotAConstant
-// && ((currentScope.environment().options.targetJDK >= CompilerOptions.JDK1_2
-// && !fieldBinding.isStatic()
-// && fieldBinding.declaringClass.id != T_Object) // no change for Object fields (if there was any)
-// || !fieldBinding.declaringClass.canBeSeenBy(currentScope))){
-// this.codegenBinding = currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding, (ReferenceBinding)this.actualReceiverType);
-// }
}
-}
-public void manageSyntheticWriteAccessIfNecessary(BlockScope currentScope) {
- if ((bits & FIELD) != 0) {
- FieldBinding fieldBinding = (FieldBinding) binding;
- if (((bits & DepthMASK) != 0)
- && (fieldBinding.isPrivate() // private access
- || (fieldBinding.isProtected() // implicit protected access
- && fieldBinding.declaringClass.getPackage()
- != currentScope.enclosingSourceType().getPackage()))) {
- if (syntheticAccessors == null)
- syntheticAccessors = new MethodBinding[2];
- syntheticAccessors[WRITE] =
- ((SourceTypeBinding)currentScope.enclosingSourceType().
- enclosingTypeAt((bits & DepthMASK) >> DepthSHIFT)).
- addSyntheticMethod(fieldBinding, false);
- currentScope.problemReporter().needToEmulateFieldWriteAccess(fieldBinding, this);
+ public void manageSyntheticReadAccessIfNecessary(BlockScope currentScope) {
+
+ // If inlinable field, forget the access emulation, the code gen will
+ // directly target it
+ if (constant != NotAConstant)
return;
+
+ if ((bits & FIELD) != 0) {
+ FieldBinding fieldBinding = (FieldBinding) binding;
+ if (((bits & DepthMASK) != 0) && (fieldBinding.isPrivate() // private
+ // access
+ || (fieldBinding.isProtected() // implicit protected access
+ && fieldBinding.declaringClass.getPackage() != currentScope
+ .enclosingSourceType().getPackage()))) {
+ if (syntheticAccessors == null)
+ syntheticAccessors = new MethodBinding[2];
+ syntheticAccessors[READ] = ((SourceTypeBinding) currentScope
+ .enclosingSourceType().enclosingTypeAt(
+ (bits & DepthMASK) >> DepthSHIFT))
+ .addSyntheticMethod(fieldBinding, true);
+ currentScope.problemReporter().needToEmulateFieldReadAccess(
+ fieldBinding, this);
+ return;
+ }
+ // if the binding declaring class is not visible, need special
+ // action
+ // for runtime compatibility on 1.2 VMs : change the declaring class
+ // of the binding
+ // NOTE: from target 1.2 on, field's declaring class is touched if
+ // any different from receiver type
+ // and not from Object or implicit static field access.
+ // if (fieldBinding.declaringClass != this.actualReceiverType
+ // && !this.actualReceiverType.isArrayType()
+ // && fieldBinding.declaringClass != null
+ // && fieldBinding.constant == NotAConstant
+ // && ((currentScope.environment().options.targetJDK >=
+ // CompilerOptions.JDK1_2
+ // && !fieldBinding.isStatic()
+ // && fieldBinding.declaringClass.id != T_Object) // no change for
+ // Object fields (if there was any)
+ // || !fieldBinding.declaringClass.canBeSeenBy(currentScope))){
+ // this.codegenBinding =
+ // currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding,
+ // (ReferenceBinding)this.actualReceiverType);
+ // }
}
- // if the binding declaring class is not visible, need special action
- // for runtime compatibility on 1.2 VMs : change the declaring class of the binding
- // NOTE: from target 1.2 on, field's declaring class is touched if any different from receiver type
- // and not from Object or implicit static field access.
-// if (fieldBinding.declaringClass != this.actualReceiverType
-// && !this.actualReceiverType.isArrayType()
-// && fieldBinding.declaringClass != null
-// && fieldBinding.constant == NotAConstant
-// && ((currentScope.environment().options.targetJDK >= CompilerOptions.JDK1_2
-// && !fieldBinding.isStatic()
-// && fieldBinding.declaringClass.id != T_Object) // no change for Object fields (if there was any)
-// || !fieldBinding.declaringClass.canBeSeenBy(currentScope))){
-// this.codegenBinding = currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding, (ReferenceBinding)this.actualReceiverType);
-// }
}
-}
-public TypeBinding reportError(BlockScope scope) {
- //=====error cases=======
- constant = Constant.NotAConstant;
- if (binding instanceof ProblemFieldBinding) {
- scope.problemReporter().invalidField(this, (FieldBinding) binding);
- } else if (binding instanceof ProblemReferenceBinding) {
- scope.problemReporter().invalidType(this, (TypeBinding) binding);
- } else {
- scope.problemReporter().unresolvableReference(this, binding);
+
+ public void manageSyntheticWriteAccessIfNecessary(BlockScope currentScope) {
+
+ if ((bits & FIELD) != 0) {
+ FieldBinding fieldBinding = (FieldBinding) binding;
+ if (((bits & DepthMASK) != 0) && (fieldBinding.isPrivate() // private
+ // access
+ || (fieldBinding.isProtected() // implicit protected access
+ && fieldBinding.declaringClass.getPackage() != currentScope
+ .enclosingSourceType().getPackage()))) {
+ if (syntheticAccessors == null)
+ syntheticAccessors = new MethodBinding[2];
+ syntheticAccessors[WRITE] = ((SourceTypeBinding) currentScope
+ .enclosingSourceType().enclosingTypeAt(
+ (bits & DepthMASK) >> DepthSHIFT))
+ .addSyntheticMethod(fieldBinding, false);
+ currentScope.problemReporter().needToEmulateFieldWriteAccess(
+ fieldBinding, this);
+ return;
+ }
+ // if the binding declaring class is not visible, need special
+ // action
+ // for runtime compatibility on 1.2 VMs : change the declaring class
+ // of the binding
+ // NOTE: from target 1.2 on, field's declaring class is touched if
+ // any different from receiver type
+ // and not from Object or implicit static field access.
+ // if (fieldBinding.declaringClass != this.actualReceiverType
+ // && !this.actualReceiverType.isArrayType()
+ // && fieldBinding.declaringClass != null
+ // && fieldBinding.constant == NotAConstant
+ // && ((currentScope.environment().options.targetJDK >=
+ // CompilerOptions.JDK1_2
+ // && !fieldBinding.isStatic()
+ // && fieldBinding.declaringClass.id != T_Object) // no change for
+ // Object fields (if there was any)
+ // || !fieldBinding.declaringClass.canBeSeenBy(currentScope))){
+ // this.codegenBinding =
+ // currentScope.enclosingSourceType().getUpdatedFieldBinding(fieldBinding,
+ // (ReferenceBinding)this.actualReceiverType);
+ // }
+ }
}
- return null;
-}
-public TypeBinding resolveType(BlockScope scope) {
- // for code gen, harm the restrictiveFlag
- this.actualReceiverType = this.receiverType = scope.enclosingSourceType();
-
- if ((this.codegenBinding = this.binding = scope.getBinding(token, bits & RestrictiveFlagMASK, this)).isValidBinding()) {
- switch (bits & RestrictiveFlagMASK) {
- case VARIABLE : // =========only variable============
- case VARIABLE | TYPE : //====both variable and type============
+ public TypeBinding reportError(BlockScope scope) {
+ // =====error cases=======
+ constant = Constant.NotAConstant;
+ if (binding instanceof ProblemFieldBinding) {
+ scope.problemReporter().invalidField(this, (FieldBinding) binding);
+ } else if (binding instanceof ProblemReferenceBinding) {
+ scope.problemReporter().invalidType(this, (TypeBinding) binding);
+ } else {
+ scope.problemReporter().unresolvableReference(this, binding);
+ }
+ return null;
+ }
+
+ public TypeBinding resolveType(BlockScope scope) {
+ // for code gen, harm the restrictiveFlag
+
+ this.actualReceiverType = this.receiverType = scope
+ .enclosingSourceType();
+
+ if ((this.codegenBinding = this.binding = scope.getBinding(token, bits
+ & RestrictiveFlagMASK, this)).isValidBinding()) {
+ switch (bits & RestrictiveFlagMASK) {
+ case VARIABLE: // =========only variable============
+ case VARIABLE | TYPE: // ====both variable and type============
if (binding instanceof VariableBinding) {
VariableBinding variable = (VariableBinding) binding;
if (binding instanceof LocalVariableBinding) {
- bits &= ~RestrictiveFlagMASK; // clear bits
+ bits &= ~RestrictiveFlagMASK; // clear bits
bits |= LOCAL;
if ((this.bits & IsStrictlyAssignedMASK) == 0) {
constant = variable.constant;
constant = NotAConstant;
}
if ((!variable.isFinal()) && ((bits & DepthMASK) != 0)) {
- scope.problemReporter().cannotReferToNonFinalOuterLocal((LocalVariableBinding)variable, this);
+ scope.problemReporter()
+ .cannotReferToNonFinalOuterLocal(
+ (LocalVariableBinding) variable,
+ this);
}
return this.resolvedType = variable.type;
}
}
// thus it was a type
- bits &= ~RestrictiveFlagMASK; // clear bits
+ bits &= ~RestrictiveFlagMASK; // clear bits
bits |= TYPE;
- case TYPE : //========only type==============
+ case TYPE: // ========only type==============
constant = Constant.NotAConstant;
- //deprecated test
+ // deprecated test
if (isTypeUseDeprecated((TypeBinding) binding, scope))
- scope.problemReporter().deprecatedType((TypeBinding) binding, this);
+ scope.problemReporter().deprecatedType(
+ (TypeBinding) binding, this);
return this.resolvedType = (TypeBinding) binding;
+ }
}
+
+ // error scenarii
+ return this.resolvedType = this.reportError(scope);
}
- // error scenarii
- return this.resolvedType = this.reportError(scope);
-}
-public StringBuffer printExpression(int indent, StringBuffer output){
-
+ public StringBuffer printExpression(int indent, StringBuffer output) {
+
return output.append(token);
}
-public String toStringExpression(){
- return new String(token);}
-public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope scope) {
- visitor.visit(this, scope);
- visitor.endVisit(this, scope);
-}
-public String unboundReferenceErrorName(){
+ public String toStringExpression() {
+
+ return new String(token);
+ }
- return new String(token);}
+ public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope scope) {
+ visitor.visit(this, scope);
+ visitor.endVisit(this, scope);
+ }
+
+ public String unboundReferenceErrorName() {
+
+ return new String(token);
+ }
}
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