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

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

diff --git a/src/org/eclipse/jdt/internal/compiler/ast/StringLiteralConcatenation.java b/src/org/eclipse/jdt/internal/compiler/ast/StringLiteralConcatenation.java
new file mode 100644 (file)
index 0000000..77ee9cc
--- /dev/null
+++ b/src/org/eclipse/jdt/internal/compiler/ast/StringLiteralConcatenation.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.ASTVisitor;
+import org.eclipse.jdt.internal.compiler.lookup.BlockScope;
+
+/**
+ * Flatten string literal
+ */
+public class StringLiteralConcatenation extends StringLiteral {
+       private static final int INITIAL_SIZE = 5;
+       public StringLiteral[] literals;
+       public int counter;
+       /**     
+        * Build a two-strings literal
+        * */
+       public StringLiteralConcatenation(StringLiteral str1, StringLiteral str2) {
+               super(str1.sourceStart, str1.sourceEnd);
+               this.source = str1.source;
+               this.literals = new StringLiteral[INITIAL_SIZE];
+               this.counter = 0;
+               this.literals[this.counter++] = str1;
+               extendsWith(str2);
+       }
+
+       /**
+        *  Add the lit source to mine, just as if it was mine
+        */
+       public StringLiteralConcatenation extendsWith(StringLiteral lit) {
+               this.sourceEnd = lit.sourceEnd;
+               final int literalsLength = this.literals.length;
+               if (this.counter == literalsLength) {
+                       // resize
+                       System.arraycopy(this.literals, 0, this.literals = new StringLiteral[literalsLength + INITIAL_SIZE], 0, literalsLength);
+               }
+               //uddate the source
+               int length = source.length;
+               System.arraycopy(
+                       source,
+                       0,
+                       source = new char[length + lit.source.length],
+                       0,
+                       length);
+               System.arraycopy(lit.source, 0, source, length, lit.source.length);
+               this.literals[this.counter++] = lit;            
+               return this;
+       }
+       
+       public StringBuffer printExpression(int indent, StringBuffer output) {
+               output.append("StringLiteralConcatenation{"); //$NON-NLS-1$
+               for (int i = 0, max = this.counter; i < max; i++) {
+                       this.literals[i].printExpression(indent, output);
+                       output.append("+\n");//$NON-NLS-1$
+               }
+               return output.append('}');
+       }
+       
+       public char[] source() {
+               return source;
+       }
+
+       public void traverse(ASTVisitor visitor, BlockScope scope) {
+               if (visitor.visit(this, scope)) {
+                       for (int i = 0, max = this.counter; i < max; i++) {
+                               this.literals[i].traverse(visitor, scope);
+                       }                       
+               }
+               visitor.endVisit(this, scope);
+       }
+}