| package org.eclipse.jdt.internal.compiler.ast; |
| |
| /* |
| * (c) Copyright IBM Corp. 2000, 2001. |
| * All Rights Reserved. |
| */ |
| import org.eclipse.jdt.internal.compiler.codegen.*; |
| import org.eclipse.jdt.internal.compiler.flow.*; |
| import org.eclipse.jdt.internal.compiler.lookup.*; |
| import org.eclipse.jdt.internal.compiler.problem.*; |
| import org.eclipse.jdt.internal.compiler.util.Util; |
| |
| public abstract class Reference extends Expression { |
| /** |
| * BaseLevelReference constructor comment. |
| */ |
| public Reference() { |
| super(); |
| } |
| public FlowInfo analyseAssignment(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo, Assignment assignment, boolean isCompound) { |
| throw new ShouldNotImplement(Util.bind("ast.variableShouldProvide"/*nonNLS*/)); |
| } |
| public FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo) { |
| return flowInfo; |
| } |
| public FieldBinding fieldBinding() { |
| //this method should be sent ONLY after a check against isFieldReference() |
| //check its use doing senders......... |
| |
| return null ; |
| } |
| public void fieldStore(CodeStream codeStream, FieldBinding fieldBinding, MethodBinding syntheticWriteAccessor, boolean valueRequired) { |
| |
| if (fieldBinding.isStatic()) { |
| if (valueRequired) { |
| if ((fieldBinding.type == LongBinding) || (fieldBinding.type == DoubleBinding)) { |
| codeStream.dup2(); |
| } else { |
| codeStream.dup(); |
| } |
| } |
| if (syntheticWriteAccessor == null) { |
| codeStream.putstatic(fieldBinding); |
| } else { |
| codeStream.invokestatic(syntheticWriteAccessor); |
| } |
| } else { // Stack: [owner][new field value] ---> [new field value][owner][new field value] |
| if (valueRequired) { |
| if ((fieldBinding.type == LongBinding) || (fieldBinding.type == DoubleBinding)) { |
| codeStream.dup2_x1(); |
| } else { |
| codeStream.dup_x1(); |
| } |
| } |
| if (syntheticWriteAccessor == null) { |
| codeStream.putfield(fieldBinding); |
| } else { |
| codeStream.invokestatic(syntheticWriteAccessor); |
| } |
| } |
| } |
| public void generateAssignment(BlockScope currentScope, CodeStream codeStream, Assignment assignment, boolean valueRequired) { |
| throw new ShouldNotImplement(Util.bind("ast.compoundPreShouldProvide"/*nonNLS*/)); |
| } |
| public void generateCompoundAssignment(BlockScope currentScope, CodeStream codeStream, Expression expression, int operator, int assignmentImplicitConversion, boolean valueRequired) { |
| throw new ShouldNotImplement(Util.bind("ast.compoundVariableShouldProvide"/*nonNLS*/)); |
| } |
| public void generatePostIncrement(BlockScope currentScope, CodeStream codeStream, CompoundAssignment postIncrement, boolean valueRequired) { |
| throw new ShouldNotImplement(Util.bind("ast.postIncrShouldProvide"/*nonNLS*/)); |
| } |
| } |