From 1a5e3c2d64be1c05a422fd78b23a31de155eca64 Mon Sep 17 00:00:00 2001 From: "alexanders@b2ef00c0-3703-41da-baef-cfe82387ac0c" Date: Wed, 3 Feb 2010 00:48:31 +0000 Subject: removed duplicate trunk directory --HG-- extra : convert_revision : svn%3Ab2ef00c0-3703-41da-baef-cfe82387ac0c/trunk%404 --- .../src/org/mozilla/javascript/Evaluator.java | 118 +++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/Evaluator.java (limited to 'trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/Evaluator.java') diff --git a/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/Evaluator.java b/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/Evaluator.java new file mode 100644 index 0000000..e222af3 --- /dev/null +++ b/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/Evaluator.java @@ -0,0 +1,118 @@ +/* -*- 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. + * + * Contributor(s): + * Norris Boyd + * + * 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.util.List; + +/** + * Abstraction of evaluation, which can be implemented either by an + * interpreter or compiler. + */ +public interface Evaluator { + + /** + * Compile the script or function from intermediate representation + * tree into an executable form. + * + * @param compilerEnv Compiler environment + * @param tree intermediate representation + * @param encodedSource encoding of the source code for decompilation + * @param returnFunction if true, compiling a function + * @return an opaque object that can be passed to either + * createFunctionObject or createScriptObject, depending on the + * value of returnFunction + */ + public Object compile(CompilerEnvirons compilerEnv, + ScriptOrFnNode tree, + String encodedSource, + boolean returnFunction); + + /** + * Create a function object. + * + * @param cx Current context + * @param scope scope of the function + * @param bytecode opaque object returned by compile + * @param staticSecurityDomain security domain + * @return Function object that can be called + */ + public Function createFunctionObject(Context cx, Scriptable scope, + Object bytecode, Object staticSecurityDomain); + + /** + * Create a script object. + * + * @param bytecode opaque object returned by compile + * @param staticSecurityDomain security domain + * @return Script object that can be evaluated + */ + public Script createScriptObject(Object bytecode, + Object staticSecurityDomain); + + /** + * Capture stack information from the given exception. + * @param ex an exception thrown during execution + */ + public void captureStackInfo(RhinoException ex); + + /** + * Get the source position information by examining the stack. + * @param cx Context + * @param linep Array object of length >= 1; getSourcePositionFromStack + * will assign the line number to linep[0]. + * @return the name of the file or other source container + */ + public String getSourcePositionFromStack(Context cx, int[] linep); + + /** + * Given a native stack trace, patch it with script-specific source + * and line information + * @param ex exception + * @param nativeStackTrace the native stack trace + * @return patched stack trace + */ + public String getPatchedStack(RhinoException ex, + String nativeStackTrace); + + /** + * Get the script stack for the given exception + * @param ex exception from execution + * @return list of strings for the stack trace + */ + public List getScriptStack(RhinoException ex); + + /** + * Mark the given script to indicate it was created by a call to + * eval() or to a Function constructor. + * @param script script to mark as from eval + */ + public void setEvalScriptFlag(Script script); +} -- cgit v1.2.3