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

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

diff --git a/src/org/eclipse/jdt/internal/compiler/ast/CharLiteral.java b/src/org/eclipse/jdt/internal/compiler/ast/CharLiteral.java
new file mode 100644 (file)
index 0000000..c2d90b0
--- /dev/null
+++ b/src/org/eclipse/jdt/internal/compiler/ast/CharLiteral.java
@@ -0,0 +1,101 @@
+/*******************************************************************************
+ * 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.impl.*;
+import org.eclipse.jdt.internal.compiler.codegen.*;
+import org.eclipse.jdt.internal.compiler.lookup.*;
+
+public class CharLiteral extends NumberLiteral {
+       char value;
+public CharLiteral(char[] token, int s, int e) {
+       super(token, s, e);
+       computeValue();
+}
+public void computeConstant() {
+       //The source is a  char[3] first and last char are '
+       //This is true for both regular char AND unicode char
+       //BUT not for escape char like '\b' which are char[4]....
+
+       constant = Constant.fromValue(value);
+}
+private void computeValue() {
+       //The source is a  char[3] first and last char are '
+       //This is true for both regular char AND unicode char
+       //BUT not for escape char like '\b' which are char[4]....
+
+       if ((value = source[1]) != '\\')
+               return;
+       char digit;
+       switch (digit = source[2]) {
+               case 'b' :
+                       value = '\b';
+                       break;
+               case 't' :
+                       value = '\t';
+                       break;
+               case 'n' :
+                       value = '\n';
+                       break;
+               case 'f' :
+                       value = '\f';
+                       break;
+               case 'r' :
+                       value = '\r';
+                       break;
+               case '\"' :
+                       value = '\"';
+                       break;
+               case '\'' :
+                       value = '\'';
+                       break;
+               case '\\' :
+                       value = '\\';
+                       break;
+               default : //octal (well-formed: ended by a ' )
+                       int number = Character.getNumericValue(digit);
+                       if ((digit = source[3]) != '\'')
+                               number = (number * 8) + Character.getNumericValue(digit);
+                       else {
+                               constant = Constant.fromValue(value = (char) number);
+                               break;
+                       }
+                       if ((digit = source[4]) != '\'')
+                               number = (number * 8) + Character.getNumericValue(digit);
+                       value = (char) number;
+                       break;
+       }
+}
+/**
+ * CharLiteral code generation
+ *
+ * @param currentScope org.eclipse.jdt.internal.compiler.lookup.BlockScope
+ * @param codeStream org.eclipse.jdt.internal.compiler.codegen.CodeStream
+ * @param valueRequired boolean
+ */
+public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) {
+       int pc = codeStream.position;
+       if (valueRequired)
+               if ((implicitConversion >> 4) == T_char)
+                       codeStream.generateInlinedValue(value);
+               else
+                       codeStream.generateConstant(constant, implicitConversion);
+       codeStream.recordPositionsFrom(pc, this.sourceStart);
+}
+public TypeBinding literalType(BlockScope scope) {
+       return CharBinding;
+}
+public void traverse(ASTVisitor visitor, BlockScope blockScope) {
+       visitor.visit(this, blockScope);
+       visitor.endVisit(this, blockScope);
+}
+}