/*******************************************************************************
- * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
+ * 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 v0.5
+ * 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-v05.html
+ * 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.*;
-import net.sourceforge.phpdt.internal.compiler.codegen.*;
-import net.sourceforge.phpdt.internal.compiler.lookup.*;
+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 DoubleLiteral extends NumberLiteral {
double value;
-public DoubleLiteral(char[] token, int s, int e) {
- super(token, s,e);
-}
-public void computeConstant() {
- //the source is correctly formated so the exception should never occurs
+ public DoubleLiteral(char[] token, int s, int e) {
+ super(token, s, e);
+ }
- Double computedValue;
- try { computedValue = Double.valueOf(String.valueOf(source));}
- catch(NumberFormatException e){return ;} //how can it happen ????
+ public void computeConstant() {
- if (computedValue.doubleValue() > Double.MAX_VALUE) return ; //may be Infinity
- if (computedValue.doubleValue() < Double.MIN_VALUE)
- { //only a true 0 can be made of zeros :-)
- //2.00000000000000000e-324 is illegal ....
- label :
- for (int i=0;i<source.length;i++)
- { //it is welled formated so just test against '0' and potential . D d
- switch (source[i]){
- case '0' :
- case '.' :
- case 'd' :
- case 'D' : break ;
- case 'e' :
- case 'E' : break label ; //exposant are valid....!
- default : return;}}} //error
+ // the source is correctly formated so the exception should never occurs
- constant = Constant.fromValue(value = computedValue.doubleValue());}
-/**
- * Code generation for the double literak
- *
- * @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_double)
- codeStream.generateInlinedValue(value);
- else
- codeStream.generateConstant(constant, implicitConversion);
- codeStream.recordPositionsFrom(pc, this.sourceStart);
-}
-public TypeBinding literalType(BlockScope scope) {
- return DoubleBinding;
-}
-public void traverse(IAbstractSyntaxTreeVisitor visitor, BlockScope blockScope) {
- visitor.visit(this, blockScope);
- visitor.endVisit(this, blockScope);
-}
+ Double computedValue;
+ try {
+ computedValue = Double.valueOf(String.valueOf(source));
+ } catch (NumberFormatException e) {
+ return;
+ } // how can it happen ????
+
+ if (computedValue.doubleValue() > Double.MAX_VALUE)
+ return; // may be Infinity
+ if (computedValue.doubleValue() < Double.MIN_VALUE) { // only a true 0
+ // can be made
+ // of zeros
+ // 2.00000000000000000e-324 is illegal ....
+ label: for (int i = 0; i < source.length; i++) { // it is welled
+ // formated so
+ // just test
+ // against '0'
+ // and potential
+ // . D d
+ switch (source[i]) {
+ case '0':
+ case '.':
+ case 'd':
+ case 'D':
+ break;
+ case 'e':
+ case 'E':
+ break label; // exposant are valid....!
+ default:
+ return;
+ }
+ }
+ } // error
+
+ constant = Constant.fromValue(value = computedValue.doubleValue());
+ }
+
+ /**
+ * Code generation for the double literak
+ *
+ * @param currentScope
+ * net.sourceforge.phpdt.internal.compiler.lookup.BlockScope
+ * @param codeStream
+ * net.sourceforge.phpdt.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_double)
+ // codeStream.generateInlinedValue(value);
+ // else
+ // codeStream.generateConstant(constant, implicitConversion);
+ // codeStream.recordPositionsFrom(pc, this.sourceStart);
+ // }
+ public TypeBinding literalType(BlockScope scope) {
+ return DoubleBinding;
+ }
+
+ public void traverse(IAbstractSyntaxTreeVisitor visitor,
+ BlockScope blockScope) {
+ visitor.visit(this, blockScope);
+ visitor.endVisit(this, blockScope);
+ }
}
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