--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxws/src/share/jaxws_classes/com/sun/codemodel/internal/JExpr.java Tue Mar 06 16:09:35 2012 -0800
@@ -0,0 +1,289 @@
+/*
+ * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.codemodel.internal;
+
+
+/**
+ * Factory methods that generate various {@link JExpression}s.
+ */
+public abstract class JExpr {
+
+ /**
+ * This class is not instanciable.
+ */
+ private JExpr() { }
+
+ public static JExpression assign(JAssignmentTarget lhs, JExpression rhs) {
+ return new JAssignment(lhs, rhs);
+ }
+
+ public static JExpression assignPlus(JAssignmentTarget lhs, JExpression rhs) {
+ return new JAssignment(lhs, rhs, "+");
+ }
+
+ public static JInvocation _new(JClass c) {
+ return new JInvocation(c);
+ }
+
+ public static JInvocation _new(JType t) {
+ return new JInvocation(t);
+ }
+
+ public static JInvocation invoke(String method) {
+ return new JInvocation((JExpression)null, method);
+ }
+
+ public static JInvocation invoke(JMethod method) {
+ return new JInvocation((JExpression)null,method);
+ }
+
+ public static JInvocation invoke(JExpression lhs, JMethod method) {
+ return new JInvocation(lhs, method);
+ }
+
+ public static JInvocation invoke(JExpression lhs, String method) {
+ return new JInvocation(lhs, method);
+ }
+
+ public static JFieldRef ref(String field) {
+ return new JFieldRef((JExpression)null, field);
+ }
+
+ public static JFieldRef ref(JExpression lhs, JVar field) {
+ return new JFieldRef(lhs,field);
+ }
+
+ public static JFieldRef ref(JExpression lhs, String field) {
+ return new JFieldRef(lhs, field);
+ }
+
+ public static JFieldRef refthis(String field) {
+ return new JFieldRef(null, field, true);
+ }
+
+ public static JExpression dotclass(final JClass cl) {
+ return new JExpressionImpl() {
+ public void generate(JFormatter f) {
+ JClass c;
+ if(cl instanceof JNarrowedClass)
+ c = ((JNarrowedClass)cl).basis;
+ else
+ c = cl;
+ f.g(c).p(".class");
+ }
+ };
+ }
+
+ public static JArrayCompRef component(JExpression lhs, JExpression index) {
+ return new JArrayCompRef(lhs, index);
+ }
+
+ public static JCast cast(JType type, JExpression expr) {
+ return new JCast(type, expr);
+ }
+
+ public static JArray newArray(JType type) {
+ return newArray(type,null);
+ }
+
+ /**
+ * Generates {@code new T[size]}.
+ *
+ * @param type
+ * The type of the array component. 'T' or {@code new T[size]}.
+ */
+ public static JArray newArray(JType type, JExpression size) {
+ // you cannot create an array whose component type is a generic
+ return new JArray(type.erasure(), size);
+ }
+
+ /**
+ * Generates {@code new T[size]}.
+ *
+ * @param type
+ * The type of the array component. 'T' or {@code new T[size]}.
+ */
+ public static JArray newArray(JType type, int size) {
+ return newArray(type,lit(size));
+ }
+
+
+ private static final JExpression __this = new JAtom("this");
+ /**
+ * Returns a reference to "this", an implicit reference
+ * to the current object.
+ */
+ public static JExpression _this() { return __this; }
+
+ private static final JExpression __super = new JAtom("super");
+ /**
+ * Returns a reference to "super", an implicit reference
+ * to the super class.
+ */
+ public static JExpression _super() { return __super; }
+
+
+ /* -- Literals -- */
+
+ private static final JExpression __null = new JAtom("null");
+ public static JExpression _null() {
+ return __null;
+ }
+
+ /**
+ * Boolean constant that represents <code>true</code>
+ */
+ public static final JExpression TRUE = new JAtom("true");
+
+ /**
+ * Boolean constant that represents <code>false</code>
+ */
+ public static final JExpression FALSE = new JAtom("false");
+
+ public static JExpression lit(boolean b) {
+ return b?TRUE:FALSE;
+ }
+
+ public static JExpression lit(int n) {
+ return new JAtom(Integer.toString(n));
+ }
+
+ public static JExpression lit(long n) {
+ return new JAtom(Long.toString(n) + "L");
+ }
+
+ public static JExpression lit(float f) {
+ if (f == Float.NEGATIVE_INFINITY)
+ {
+ return new JAtom("java.lang.Float.NEGATIVE_INFINITY");
+ }
+ else if (f == Float.POSITIVE_INFINITY)
+ {
+ return new JAtom("java.lang.Float.POSITIVE_INFINITY");
+ }
+ else if (Float.isNaN(f))
+ {
+ return new JAtom("java.lang.Float.NaN");
+ }
+ else
+ {
+ return new JAtom(Float.toString(f) + "F");
+ }
+ }
+
+ public static JExpression lit(double d) {
+ if (d == Double.NEGATIVE_INFINITY)
+ {
+ return new JAtom("java.lang.Double.NEGATIVE_INFINITY");
+ }
+ else if (d == Double.POSITIVE_INFINITY)
+ {
+ return new JAtom("java.lang.Double.POSITIVE_INFINITY");
+ }
+ else if (Double.isNaN(d))
+ {
+ return new JAtom("java.lang.Double.NaN");
+ }
+ else
+ {
+ return new JAtom(Double.toString(d) + "D");
+ }
+ }
+
+ static final String charEscape = "\b\t\n\f\r\"\'\\";
+ static final String charMacro = "btnfr\"'\\";
+
+ /**
+ * Escapes the given string, then surrounds it by the specified
+ * quotation mark.
+ */
+ public static String quotify(char quote, String s) {
+ int n = s.length();
+ StringBuilder sb = new StringBuilder(n + 2);
+ sb.append(quote);
+ for (int i = 0; i < n; i++) {
+ char c = s.charAt(i);
+ int j = charEscape.indexOf(c);
+ if(j>=0) {
+ if((quote=='"' && c=='\'') || (quote=='\'' && c=='"')) {
+ sb.append(c);
+ } else {
+ sb.append('\\');
+ sb.append(charMacro.charAt(j));
+ }
+ } else {
+ // technically Unicode escape shouldn't be done here,
+ // for it's a lexical level handling.
+ //
+ // However, various tools are so broken around this area,
+ // so just to be on the safe side, it's better to do
+ // the escaping here (regardless of the actual file encoding)
+ //
+ // see bug
+ if( c<0x20 || 0x7E<c ) {
+ // not printable. use Unicode escape
+ sb.append("\\u");
+ String hex = Integer.toHexString(((int)c)&0xFFFF);
+ for( int k=hex.length(); k<4; k++ )
+ sb.append('0');
+ sb.append(hex);
+ } else {
+ sb.append(c);
+ }
+ }
+ }
+ sb.append(quote);
+ return sb.toString();
+ }
+
+ public static JExpression lit(char c) {
+ return new JAtom(quotify('\'', "" + c));
+ }
+
+ public static JExpression lit(String s) {
+ return new JStringLiteral(s);
+ }
+
+ /**
+ * Creates an expression directly from a source code fragment.
+ *
+ * <p>
+ * This method can be used as a short-cut to create a JExpression.
+ * For example, instead of <code>_a.gt(_b)</code>, you can write
+ * it as: <code>JExpr.direct("a>b")</code>.
+ *
+ * <p>
+ * Be warned that there is a danger in using this method,
+ * as it obfuscates the object model.
+ */
+ public static JExpression direct( final String source ) {
+ return new JExpressionImpl(){
+ public void generate( JFormatter f ) {
+ f.p('(').p(source).p(')');
+ }
+ };
+ }
+}