From 89bda83e0570ab87c6e449f5955613d5385e90b3 Mon Sep 17 00:00:00 2001 From: "alexanders@b2ef00c0-3703-41da-baef-cfe82387ac0c" Date: Wed, 3 Feb 2010 00:50:41 +0000 Subject: removed obsolete svn folder from hg tree --HG-- extra : convert_revision : svn%3Ab2ef00c0-3703-41da-baef-cfe82387ac0c/trunk%408 --- .../javascript/optimizer/OptFunctionNode.java | 149 +++++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 infrastructure/rhino1_7R1/src/org/mozilla/javascript/optimizer/OptFunctionNode.java (limited to 'infrastructure/rhino1_7R1/src/org/mozilla/javascript/optimizer/OptFunctionNode.java') diff --git a/infrastructure/rhino1_7R1/src/org/mozilla/javascript/optimizer/OptFunctionNode.java b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/optimizer/OptFunctionNode.java new file mode 100644 index 0000000..e043165 --- /dev/null +++ b/infrastructure/rhino1_7R1/src/org/mozilla/javascript/optimizer/OptFunctionNode.java @@ -0,0 +1,149 @@ +/* ***** 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 + * Bob Jervis + * Roger Lawrence + * + * 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.optimizer; + +import org.mozilla.javascript.*; + +final class OptFunctionNode +{ + OptFunctionNode(FunctionNode fnode) + { + this.fnode = fnode; + fnode.setCompilerData(this); + } + + static OptFunctionNode get(ScriptOrFnNode scriptOrFn, int i) + { + FunctionNode fnode = scriptOrFn.getFunctionNode(i); + return (OptFunctionNode)fnode.getCompilerData(); + } + + static OptFunctionNode get(ScriptOrFnNode scriptOrFn) + { + return (OptFunctionNode)scriptOrFn.getCompilerData(); + } + + boolean isTargetOfDirectCall() + { + return directTargetIndex >= 0; + } + + int getDirectTargetIndex() + { + return directTargetIndex; + } + + void setDirectTargetIndex(int directTargetIndex) + { + // One time action + if (directTargetIndex < 0 || this.directTargetIndex >= 0) + Kit.codeBug(); + this.directTargetIndex = directTargetIndex; + } + + void setParameterNumberContext(boolean b) + { + itsParameterNumberContext = b; + } + + boolean getParameterNumberContext() + { + return itsParameterNumberContext; + } + + int getVarCount() + { + return fnode.getParamAndVarCount(); + } + + boolean isParameter(int varIndex) + { + return varIndex < fnode.getParamCount(); + } + + boolean isNumberVar(int varIndex) + { + varIndex -= fnode.getParamCount(); + if (varIndex >= 0 && numberVarFlags != null) { + return numberVarFlags[varIndex]; + } + return false; + } + + void setIsNumberVar(int varIndex) + { + varIndex -= fnode.getParamCount(); + // Can only be used with non-parameters + if (varIndex < 0) Kit.codeBug(); + if (numberVarFlags == null) { + int size = fnode.getParamAndVarCount() - fnode.getParamCount(); + numberVarFlags = new boolean[size]; + } + numberVarFlags[varIndex] = true; + } + + int getVarIndex(Node n) + { + int index = n.getIntProp(Node.VARIABLE_PROP, -1); + if (index == -1) { + Node node; + int type = n.getType(); + if (type == Token.GETVAR) { + node = n; + } else if (type == Token.SETVAR || + type == Token.SETCONSTVAR) { + node = n.getFirstChild(); + } else { + throw Kit.codeBug(); + } + index = fnode.getIndexForNameNode(node); + if (index < 0) throw Kit.codeBug(); + n.putIntProp(Node.VARIABLE_PROP, index); + } + return index; + } + + FunctionNode fnode; + private boolean[] numberVarFlags; + private int directTargetIndex = -1; + private boolean itsParameterNumberContext; + boolean itsContainsCalls0; + boolean itsContainsCalls1; +} -- cgit v1.2.3