removed Makefile; lifted repo/org.ibex.tool/src/ to src/

[org.ibex.tool.git] / src / org / eclipse / jdt / internal / compiler / ast / Statement.java

diff --git a/src/org/eclipse/jdt/internal/compiler/ast/Statement.java b/src/org/eclipse/jdt/internal/compiler/ast/Statement.java
new file mode 100644 (file)
index 0000000..2e240f7
--- /dev/null
+++ b/src/org/eclipse/jdt/internal/compiler/ast/Statement.java
@@ -0,0 +1,79 @@
+/*******************************************************************************
+ * 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.jdt.internal.compiler.ast;
+
+import org.eclipse.jdt.internal.compiler.impl.*;
+import org.eclipse.jdt.internal.compiler.codegen.*;
+import org.eclipse.jdt.internal.compiler.flow.*;
+import org.eclipse.jdt.internal.compiler.lookup.*;
+
+public abstract class Statement extends ASTNode {
+       
+       public abstract FlowInfo analyseCode(BlockScope currentScope, FlowContext flowContext, FlowInfo flowInfo);
+       
+       /**
+        * INTERNAL USE ONLY.
+        * This is used to redirect inter-statements jumps.
+        */
+       public void branchChainTo(Label label) {
+               // do nothing by default
+       }
+       
+       // Report an error if necessary
+       public boolean complainIfUnreachable(FlowInfo flowInfo, BlockScope scope, boolean didAlreadyComplain) {
+       
+               if ((flowInfo.reachMode() & FlowInfo.UNREACHABLE) != 0) {
+                       this.bits &= ~ASTNode.IsReachableMASK;
+                       boolean reported = flowInfo == FlowInfo.DEAD_END;
+                       if (!didAlreadyComplain && reported) {
+                               scope.problemReporter().unreachableCode(this);
+                       }
+                       return reported; // keep going for fake reachable
+               }
+               return false;
+       }
+       
+       public abstract void generateCode(BlockScope currentScope, CodeStream codeStream);
+       
+       public boolean isEmptyBlock() {
+               return false;
+       }
+       
+       public boolean isValidJavaStatement() {
+               //the use of this method should be avoid in most cases
+               //and is here mostly for documentation purpose.....
+               //while the parser is responsable for creating
+               //welled formed expression statement, which results
+               //in the fact that java-non-semantic-expression-used-as-statement
+               //should not be parsable...thus not being built.
+               //It sounds like the java grammar as help the compiler job in removing
+               //-by construction- some statement that would have no effect....
+               //(for example all expression that may do side-effects are valid statement
+               // -this is an appromative idea.....-)
+
+               return true;
+       }
+       
+       public StringBuffer print(int indent, StringBuffer output) {
+               return printStatement(indent, output);
+       }
+       public abstract StringBuffer printStatement(int indent, StringBuffer output);
+
+       public abstract void resolve(BlockScope scope);
+       
+       public Constant resolveCase(BlockScope scope, TypeBinding testType, SwitchStatement switchStatement) {
+               // statement within a switch that are not case are treated as normal statement.... 
+
+               resolve(scope);
+               return null;
+       }
+
+}