Refactored packagename to net.sourceforge.phpdt.internal.compiler.ast
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / StringLiteral.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/StringLiteral.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/StringLiteral.java
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+/***********************************************************************************************************************************
+ * Copyright (c) 2000, 2003 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 net.sourceforge.phpdt.internal.compiler.ast;
+
+import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
+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 StringLiteral extends Literal {
+
+  char[] source;
+
+  public StringLiteral(char[] token, int s, int e) {
+
+    this(s, e);
+    source = token;
+  }
+
+  public StringLiteral(int s, int e) {
+
+    super(s, e);
+  }
+
+  public void computeConstant() {
+
+    constant = Constant.fromValue(String.valueOf(source));
+  }
+
+//  public ExtendedStringLiteral extendWith(CharLiteral lit) {
+//
+//    //add the lit source to mine, just as if it was mine
+//    return new ExtendedStringLiteral(this, lit);
+//  }
+
+  public ExtendedStringLiteral extendWith(StringLiteral lit) {
+
+    //add the lit source to mine, just as if it was mine
+    return new ExtendedStringLiteral(this, lit);
+  }
+
+  /**
+   * Code generation for string literal
+   */
+  //   public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) {
+  //
+  //           int pc = codeStream.position;
+  //           if (valueRequired)
+  //                   codeStream.ldc(constant.stringValue());
+  //           codeStream.recordPositionsFrom(pc, this.sourceStart);
+  //   }
+  public TypeBinding literalType(BlockScope scope) {
+
+    return scope.getJavaLangString();
+  }
+
+  public StringBuffer printExpression(int indent, StringBuffer output) {
+
+    // handle some special char.....
+    output.append('\"');
+    for (int i = 0; i < source.length; i++) {
+      switch (source[i]) {
+      case '\b':
+        output.append("\\b"); //$NON-NLS-1$
+        break;
+      case '\t':
+        output.append("\\t"); //$NON-NLS-1$
+        break;
+      case '\n':
+        output.append("\\n"); //$NON-NLS-1$
+        break;
+      case '\f':
+        output.append("\\f"); //$NON-NLS-1$
+        break;
+      case '\r':
+        output.append("\\r"); //$NON-NLS-1$
+        break;
+      case '\"':
+        output.append("\\\""); //$NON-NLS-1$
+        break;
+      case '\'':
+        output.append("\\'"); //$NON-NLS-1$
+        break;
+      case '\\': //take care not to display the escape as a potential real char
+        output.append("\\\\"); //$NON-NLS-1$
+        break;
+      default:
+        output.append(source[i]);
+      }
+    }
+    output.append('\"');
+    return output;
+  }
+
+  public char[] source() {
+
+    return source;
+  }
+
+  public String toStringExpression() {
+
+    // handle some special char.....
+    StringBuffer result = new StringBuffer("\""); //$NON-NLS-1$
+    for (int i = 0; i < source.length; i++) {
+      switch (source[i]) {
+      case '\b':
+        result.append("\\b"); //$NON-NLS-1$
+        break;
+      case '\t':
+        result.append("\\t"); //$NON-NLS-1$
+        break;
+      case '\n':
+        result.append("\\n"); //$NON-NLS-1$
+        break;
+      case '\f':
+        result.append("\\f"); //$NON-NLS-1$
+        break;
+      case '\r':
+        result.append("\\r"); //$NON-NLS-1$
+        break;
+      case '\"':
+        result.append("\\\""); //$NON-NLS-1$
+        break;
+      case '\'':
+        result.append("\\'"); //$NON-NLS-1$
+        break;
+      case '\\': //take care not to display the escape as a potential real char
+        result.append("\\\\"); //$NON-NLS-1$
+        break;
+      default:
+        result.append(source[i]);
+      }
+    }
+    result.append("\""); //$NON-NLS-1$
+    return result.toString();
+  }
+
+  public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope scope) {
+    visitor.visit(this, scope);
+    visitor.endVisit(this, scope);
+  }
+}
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