From d7c5ad7d6263fd1baf9bfdbaa4c50b70ef2fbdb2 Mon Sep 17 00:00:00 2001 From: Alexander Sulfrian Date: Tue, 8 Jun 2010 08:22:05 +0200 Subject: reverted folder structure change for better mergeing with upstream --- .../src/org/mozilla/javascript/RhinoException.java | 306 +++++++++++++++++++++ 1 file changed, 306 insertions(+) create mode 100644 trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/RhinoException.java (limited to 'trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/RhinoException.java') diff --git a/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/RhinoException.java b/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/RhinoException.java new file mode 100644 index 0000000..b7f4a4d --- /dev/null +++ b/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/RhinoException.java @@ -0,0 +1,306 @@ +/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * + * ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Rhino code, released + * May 6, 1999. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1997-1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Norris Boyd + * Igor Bukanov + * + * Alternatively, the contents of this file may be used under the terms of + * the GNU General Public License Version 2 or later (the "GPL"), in which + * case the provisions of the GPL are applicable instead of those above. If + * you wish to allow use of your version of this file only under the terms of + * the GPL and not to allow others to use your version of this file under the + * MPL, indicate your decision by deleting the provisions above and replacing + * them with the notice and other provisions required by the GPL. If you do + * not delete the provisions above, a recipient may use your version of this + * file under either the MPL or the GPL. + * + * ***** END LICENSE BLOCK ***** */ + + +package org.mozilla.javascript; + +import java.io.CharArrayWriter; +import java.io.File; +import java.io.FilenameFilter; +import java.io.PrintStream; +import java.io.PrintWriter; +import java.util.List; +import java.util.ArrayList; + +/** + * The class of exceptions thrown by the JavaScript engine. + */ +public abstract class RhinoException extends RuntimeException +{ + RhinoException() + { + Evaluator e = Context.createInterpreter(); + if (e != null) + e.captureStackInfo(this); + } + + RhinoException(String details) + { + super(details); + Evaluator e = Context.createInterpreter(); + if (e != null) + e.captureStackInfo(this); + } + + public final String getMessage() + { + String details = details(); + if (sourceName == null || lineNumber <= 0) { + return details; + } + StringBuffer buf = new StringBuffer(details); + buf.append(" ("); + if (sourceName != null) { + buf.append(sourceName); + } + if (lineNumber > 0) { + buf.append('#'); + buf.append(lineNumber); + } + buf.append(')'); + return buf.toString(); + } + + public String details() + { + return super.getMessage(); + } + + /** + * Get the uri of the script source containing the error, or null + * if that information is not available. + */ + public final String sourceName() + { + return sourceName; + } + + /** + * Initialize the uri of the script source containing the error. + * + * @param sourceName the uri of the script source responsible for the error. + * It should not be null. + * + * @throws IllegalStateException if the method is called more then once. + */ + public final void initSourceName(String sourceName) + { + if (sourceName == null) throw new IllegalArgumentException(); + if (this.sourceName != null) throw new IllegalStateException(); + this.sourceName = sourceName; + } + + /** + * Returns the line number of the statement causing the error, + * or zero if not available. + */ + public final int lineNumber() + { + return lineNumber; + } + + /** + * Initialize the line number of the script statement causing the error. + * + * @param lineNumber the line number in the script source. + * It should be positive number. + * + * @throws IllegalStateException if the method is called more then once. + */ + public final void initLineNumber(int lineNumber) + { + if (lineNumber <= 0) throw new IllegalArgumentException(String.valueOf(lineNumber)); + if (this.lineNumber > 0) throw new IllegalStateException(); + this.lineNumber = lineNumber; + } + + /** + * The column number of the location of the error, or zero if unknown. + */ + public final int columnNumber() + { + return columnNumber; + } + + /** + * Initialize the column number of the script statement causing the error. + * + * @param columnNumber the column number in the script source. + * It should be positive number. + * + * @throws IllegalStateException if the method is called more then once. + */ + public final void initColumnNumber(int columnNumber) + { + if (columnNumber <= 0) throw new IllegalArgumentException(String.valueOf(columnNumber)); + if (this.columnNumber > 0) throw new IllegalStateException(); + this.columnNumber = columnNumber; + } + + /** + * The source text of the line causing the error, or null if unknown. + */ + public final String lineSource() + { + return lineSource; + } + + /** + * Initialize the text of the source line containing the error. + * + * @param lineSource the text of the source line responsible for the error. + * It should not be null. + * + * @throws IllegalStateException if the method is called more then once. + */ + public final void initLineSource(String lineSource) + { + if (lineSource == null) throw new IllegalArgumentException(); + if (this.lineSource != null) throw new IllegalStateException(); + this.lineSource = lineSource; + } + + final void recordErrorOrigin(String sourceName, int lineNumber, + String lineSource, int columnNumber) + { + // XXX: for compatibility allow for now -1 to mean 0 + if (lineNumber == -1) { + lineNumber = 0; + } + + if (sourceName != null) { + initSourceName(sourceName); + } + if (lineNumber != 0) { + initLineNumber(lineNumber); + } + if (lineSource != null) { + initLineSource(lineSource); + } + if (columnNumber != 0) { + initColumnNumber(columnNumber); + } + } + + private String generateStackTrace() + { + // Get stable reference to work properly with concurrent access + CharArrayWriter writer = new CharArrayWriter(); + super.printStackTrace(new PrintWriter(writer)); + String origStackTrace = writer.toString(); + Evaluator e = Context.createInterpreter(); + if (e != null) + return e.getPatchedStack(this, origStackTrace); + return null; + } + + /** + * Get a string representing the script stack of this exception. + * If optimization is enabled, this corresponds to all java stack elements + * with a source name ending with ".js". + * @return a script stack dump + * @since 1.6R6 + */ + public String getScriptStackTrace() + { + return getScriptStackTrace(new FilenameFilter() { + public boolean accept(File dir, String name) { + return name.endsWith(".js"); + } + }); + } + + /** + * Get a string representing the script stack of this exception. + * If optimization is enabled, this corresponds to all java stack elements + * with a source name matching the filter. + * @param filter the file name filter to determine whether a file is a + * script file + * @return a script stack dump + * @since 1.6R6 + */ + public String getScriptStackTrace(FilenameFilter filter) + { + List interpreterStack; + Evaluator interpreter = Context.createInterpreter(); + if (interpreter != null) + interpreterStack = interpreter.getScriptStack(this); + else + interpreterStack = new ArrayList(); + int interpreterStackIndex = 0; + StringBuffer buffer = new StringBuffer(); + String lineSeparator = SecurityUtilities.getSystemProperty("line.separator"); + StackTraceElement[] stack = getStackTrace(); + for (int i = 0; i < stack.length; i++) { + StackTraceElement e = stack[i]; + String name = e.getFileName(); + if (e.getLineNumber() > -1 && name != null && + filter.accept(null, name)) + { + buffer.append("\tat "); + buffer.append(e.getFileName()); + buffer.append(':'); + buffer.append(e.getLineNumber()); + buffer.append(lineSeparator); + } else if (interpreterStack != null && + "org.mozilla.javascript.Interpreter".equals(e.getClassName()) && + "interpretLoop".equals(e.getMethodName())) + { + buffer.append(interpreterStack.get(interpreterStackIndex++)); + } + } + return buffer.toString(); + } + + public void printStackTrace(PrintWriter s) + { + if (interpreterStackInfo == null) { + super.printStackTrace(s); + } else { + s.print(generateStackTrace()); + } + } + + public void printStackTrace(PrintStream s) + { + if (interpreterStackInfo == null) { + super.printStackTrace(s); + } else { + s.print(generateStackTrace()); + } + } + + private String sourceName; + private int lineNumber; + private String lineSource; + private int columnNumber; + + Object interpreterStackInfo; + int[] interpreterLineData; +} -- cgit v1.2.3