-/*******************************************************************************
- * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v0.5
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v05.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- ******************************************************************************/
package net.sourceforge.phpdt.internal.compiler.ast;
-import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
-import net.sourceforge.phpdt.internal.compiler.codegen.CaseLabel;
-import net.sourceforge.phpdt.internal.compiler.codegen.CodeStream;
-import net.sourceforge.phpdt.internal.compiler.flow.FlowContext;
-import net.sourceforge.phpdt.internal.compiler.flow.FlowInfo;
-import net.sourceforge.phpdt.internal.compiler.impl.Constant;
-import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
-import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
-
-public class Case extends Statement {
-
- public Expression constantExpression;
- public CaseLabel targetLabel;
- public Case(int sourceStart, Expression constantExpression) {
- this.constantExpression = constantExpression;
- this.sourceEnd = constantExpression.sourceEnd;
- this.sourceStart = sourceStart;
- }
-
- public FlowInfo analyseCode(
- BlockScope currentScope,
- FlowContext flowContext,
- FlowInfo flowInfo) {
-
- if (constantExpression.constant == NotAConstant)
- currentScope.problemReporter().caseExpressionMustBeConstant(constantExpression);
-
- this.constantExpression.analyseCode(currentScope, flowContext, flowInfo);
- return flowInfo;
- }
-
- /**
- * Case code generation
- *
- */
- public void generateCode(BlockScope currentScope, CodeStream codeStream) {
-
- if ((bits & IsReachableMASK) == 0) {
- return;
- }
- int pc = codeStream.position;
- targetLabel.place();
- codeStream.recordPositionsFrom(pc, this.sourceStart);
- }
-
- public void resolve(BlockScope scope) {
-
- // error....use resolveCase....
- throw new NullPointerException();
- }
-
- public Constant resolveCase(
- BlockScope scope,
- TypeBinding testTb,
- SwitchStatement switchStatement) {
-
- // add into the collection of cases of the associated switch statement
- switchStatement.cases[switchStatement.caseCount++] = this;
- TypeBinding caseTb = constantExpression.resolveType(scope);
- if (caseTb == null || testTb == null)
- return null;
- if (constantExpression.isConstantValueOfTypeAssignableToType(caseTb, testTb))
- return constantExpression.constant;
- if (BlockScope.areTypesCompatible(caseTb, testTb))
- return constantExpression.constant;
- scope.problemReporter().typeMismatchErrorActualTypeExpectedType(
- constantExpression,
- caseTb,
- testTb);
- return null;
- }
-
- public String toString(int tab) {
-
- String s = tabString(tab);
- s = s + "case " + constantExpression.toStringExpression() + " : "; //$NON-NLS-1$ //$NON-NLS-2$
- return s;
- }
-
- public void traverse(
- IAbstractSyntaxTreeVisitor visitor,
- BlockScope blockScope) {
-
- if (visitor.visit(this, blockScope)) {
- constantExpression.traverse(visitor, blockScope);
- }
- visitor.endVisit(this, blockScope);
- }
-}
\ No newline at end of file
+import java.util.List;
+
+/**
+ * A Case statement for a Switch.
+ * @author Matthieu Casanova
+ */
+public final class Case extends AbstractCase {
+
+ private final Expression value;
+
+ public Case(final Expression value,
+ final Statement[] statements,
+ final int sourceStart,
+ final int sourceEnd) {
+ super(statements, sourceStart, sourceEnd);
+ this.value = value;
+ }
+
+ /**
+ * Return the object into String.
+ * @param tab how many tabs (not used here
+ * @return a String
+ */
+ public String toString(final int tab) {
+ final StringBuffer buff = new StringBuffer(tabString(tab));
+ buff.append("case ");
+ buff.append(value.toStringExpression());
+ buff.append(" :\n");
+ if (statements != null) {
+ for (int i = 0; i < statements.length; i++) {
+ final Statement statement = statements[i];
+ buff.append(statement.toString(tab + 1));
+ }
+ }
+ return buff.toString();
+ }
+
+ /**
+ * get the modified variables.
+ *
+ * @param list the list where we will put variables
+ */
+ public void getModifiedVariable(final List list) {
+ super.getModifiedVariable(list);
+ value.getModifiedVariable(list);
+ }
+
+ /**
+ * Get the variables used.
+ *
+ * @param list the list where we will put variables
+ */
+ public void getUsedVariable(final List list) {
+ super.getUsedVariable(list);
+ value.getUsedVariable(list);
+ }
+}
git://git.phpeclipse.com / phpeclipse.git / blobdiff