diff options
Diffstat (limited to 'tests/org.eclipse.wst.jsdt.core.tests.model/workspace/Compiler/src/org/eclipse/jsdt/internal/compiler/flow/LoopingFlowContext.js')
| -rw-r--r-- | tests/org.eclipse.wst.jsdt.core.tests.model/workspace/Compiler/src/org/eclipse/jsdt/internal/compiler/flow/LoopingFlowContext.js | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/tests/org.eclipse.wst.jsdt.core.tests.model/workspace/Compiler/src/org/eclipse/jsdt/internal/compiler/flow/LoopingFlowContext.js b/tests/org.eclipse.wst.jsdt.core.tests.model/workspace/Compiler/src/org/eclipse/jsdt/internal/compiler/flow/LoopingFlowContext.js deleted file mode 100644 index 4da9fdd..0000000 --- a/tests/org.eclipse.wst.jsdt.core.tests.model/workspace/Compiler/src/org/eclipse/jsdt/internal/compiler/flow/LoopingFlowContext.js +++ /dev/null @@ -1,153 +0,0 @@ -/*******************************************************************************
- * Copyright (c) 2000, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.wst.jsdt.internal.compiler.flow;
-
-import org.eclipse.wst.jsdt.internal.compiler.ast.ASTNode;
-import org.eclipse.wst.jsdt.internal.compiler.ast.Reference;
-import org.eclipse.wst.jsdt.internal.compiler.codegen.Label;
-import org.eclipse.wst.jsdt.internal.compiler.lookup.BlockScope;
-import org.eclipse.wst.jsdt.internal.compiler.lookup.FieldBinding;
-import org.eclipse.wst.jsdt.internal.compiler.lookup.LocalVariableBinding;
-import org.eclipse.wst.jsdt.internal.compiler.lookup.Scope;
-import org.eclipse.wst.jsdt.internal.compiler.lookup.VariableBinding;
-
-/**
- * Reflects the context of code analysis, keeping track of enclosing
- * try statements, exception handlers, etc...
- */
-public class LoopingFlowContext extends SwitchFlowContext {
-
- public Label continueLabel;
- public UnconditionalFlowInfo initsOnContinue = FlowInfo.DEAD_END;
- Reference finalAssignments[];
- VariableBinding finalVariables[];
- int assignCount = 0;
- Scope associatedScope;
-
- public LoopingFlowContext(
- FlowContext parent,
- ASTNode associatedNode,
- Label breakLabel,
- Label continueLabel,
- Scope associatedScope) {
- super(parent, associatedNode, breakLabel);
- this.continueLabel = continueLabel;
- this.associatedScope = associatedScope;
- }
-
- public void complainOnFinalAssignmentsInLoop(
- BlockScope scope,
- FlowInfo flowInfo) {
- for (int i = 0; i < assignCount; i++) {
- VariableBinding variable = finalVariables[i];
- if (variable == null) continue;
- boolean complained = false; // remember if have complained on this final assignment
- if (variable instanceof FieldBinding) {
- if (flowInfo.isPotentiallyAssigned((FieldBinding) variable)) {
- complained = true;
- scope.problemReporter().duplicateInitializationOfBlankFinalField(
- (FieldBinding) variable,
- finalAssignments[i]);
- }
- } else {
- if (flowInfo.isPotentiallyAssigned((LocalVariableBinding) variable)) {
- complained = true;
- scope.problemReporter().duplicateInitializationOfFinalLocal(
- (LocalVariableBinding) variable,
- finalAssignments[i]);
- }
- }
- // any reference reported at this level is removed from the parent context where it
- // could also be reported again
- if (complained) {
- FlowContext context = parent;
- while (context != null) {
- context.removeFinalAssignmentIfAny(finalAssignments[i]);
- context = context.parent;
- }
- }
- }
- }
-
- public Label continueLabel() {
- return continueLabel;
- }
-
- public String individualToString() {
- StringBuffer buffer = new StringBuffer("Looping flow context"); //$NON-NLS-1$
- buffer.append("[initsOnBreak -").append(initsOnBreak.toString()).append(']'); //$NON-NLS-1$
- buffer.append("[initsOnContinue -").append(initsOnContinue.toString()).append(']'); //$NON-NLS-1$
- return buffer.toString();
- }
-
- public boolean isContinuable() {
- return true;
- }
-
- public boolean isContinuedTo() {
- return initsOnContinue != FlowInfo.DEAD_END;
- }
-
- public void recordContinueFrom(FlowInfo flowInfo) {
-
- if (!flowInfo.isReachable()) return;
- if (initsOnContinue == FlowInfo.DEAD_END) {
- initsOnContinue = flowInfo.copy().unconditionalInits();
- } else {
- initsOnContinue = initsOnContinue.mergedWith(flowInfo.copy().unconditionalInits());
- }
- }
-
- boolean recordFinalAssignment(
- VariableBinding binding,
- Reference finalAssignment) {
-
- // do not consider variables which are defined inside this loop
- if (binding instanceof LocalVariableBinding) {
- Scope scope = ((LocalVariableBinding) binding).declaringScope;
- while ((scope = scope.parent) != null) {
- if (scope == associatedScope)
- return false;
- }
- }
- if (assignCount == 0) {
- finalAssignments = new Reference[5];
- finalVariables = new VariableBinding[5];
- } else {
- if (assignCount == finalAssignments.length)
- System.arraycopy(
- finalAssignments,
- 0,
- (finalAssignments = new Reference[assignCount * 2]),
- 0,
- assignCount);
- System.arraycopy(
- finalVariables,
- 0,
- (finalVariables = new VariableBinding[assignCount * 2]),
- 0,
- assignCount);
- }
- finalAssignments[assignCount] = finalAssignment;
- finalVariables[assignCount++] = binding;
- return true;
- }
-
- void removeFinalAssignmentIfAny(Reference reference) {
- for (int i = 0; i < assignCount; i++) {
- if (finalAssignments[i] == reference) {
- finalAssignments[i] = null;
- finalVariables[i] = null;
- return;
- }
- }
- }
-}
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