Refactored packagename to net.sourceforge.phpdt.internal.compiler.ast
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / StringLiteral.java
index f20decb..24892a2 100644 (file)
-/*******************************************************************************
- * 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
+/***********************************************************************************************************************************
+ * 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
- ******************************************************************************/
+ * 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.CodeStream;
-//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 {
-       char[] source;
-       public int sourceStart, sourceEnd;
-       
-       public StringLiteral(char[] token, int s, int e) {
-               source = token;
-               sourceStart = s;
-               sourceEnd = e;
-       }
-       public StringLiteral(int s, int e) {
-               sourceStart = s;
-               sourceEnd = e;
-       }
-
-       /**
-        * source method comment.
-        */
-       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();
-       }
-       
-       /** 
-        * @deprecated - use field instead
-       */
-       public int sourceEnd() {
-               return sourceEnd;
-       }
-       
-       /** 
-        * @deprecated - use field instead
-       */
-       public int sourceStart() {
-               return sourceStart;
-       }
-}
+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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