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| <FONT color="green">001</FONT> /*<a name="line.1"></a> |
| <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <FONT color="green">003</FONT> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <FONT color="green">004</FONT> * distributed with this work for additional information<a name="line.4"></a> |
| <FONT color="green">005</FONT> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <FONT color="green">006</FONT> * to you under the Apache License, Version 2.0 (the "License");<a name="line.6"></a> |
| <FONT color="green">007</FONT> * you may not use this file except in compliance with the License.<a name="line.7"></a> |
| <FONT color="green">008</FONT> * You may obtain a copy of the License at<a name="line.8"></a> |
| <FONT color="green">009</FONT> *<a name="line.9"></a> |
| <FONT color="green">010</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <FONT color="green">011</FONT> *<a name="line.11"></a> |
| <FONT color="green">012</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <FONT color="green">013</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <FONT color="green">014</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <FONT color="green">015</FONT> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <FONT color="green">016</FONT> * limitations under the License.<a name="line.16"></a> |
| <FONT color="green">017</FONT> */<a name="line.17"></a> |
| <FONT color="green">018</FONT> /*<a name="line.18"></a> |
| <FONT color="green">019</FONT> * $Id: FunctionCall.java 468650 2006-10-28 07:03:30Z minchau $<a name="line.19"></a> |
| <FONT color="green">020</FONT> */<a name="line.20"></a> |
| <FONT color="green">021</FONT> <a name="line.21"></a> |
| <FONT color="green">022</FONT> package org.apache.xalan.xsltc.compiler;<a name="line.22"></a> |
| <FONT color="green">023</FONT> <a name="line.23"></a> |
| <FONT color="green">024</FONT> import java.lang.reflect.Constructor;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import java.lang.reflect.Method;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import java.lang.reflect.Modifier;<a name="line.26"></a> |
| <FONT color="green">027</FONT> import java.util.Enumeration;<a name="line.27"></a> |
| <FONT color="green">028</FONT> import java.util.Hashtable;<a name="line.28"></a> |
| <FONT color="green">029</FONT> import java.util.Vector;<a name="line.29"></a> |
| <FONT color="green">030</FONT> <a name="line.30"></a> |
| <FONT color="green">031</FONT> import org.apache.bcel.generic.ConstantPoolGen;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import org.apache.bcel.generic.IFEQ;<a name="line.32"></a> |
| <FONT color="green">033</FONT> import org.apache.bcel.generic.INVOKEINTERFACE;<a name="line.33"></a> |
| <FONT color="green">034</FONT> import org.apache.bcel.generic.INVOKESPECIAL;<a name="line.34"></a> |
| <FONT color="green">035</FONT> import org.apache.bcel.generic.INVOKESTATIC;<a name="line.35"></a> |
| <FONT color="green">036</FONT> import org.apache.bcel.generic.INVOKEVIRTUAL;<a name="line.36"></a> |
| <FONT color="green">037</FONT> import org.apache.bcel.generic.InstructionConstants;<a name="line.37"></a> |
| <FONT color="green">038</FONT> import org.apache.bcel.generic.InstructionList;<a name="line.38"></a> |
| <FONT color="green">039</FONT> import org.apache.bcel.generic.InvokeInstruction;<a name="line.39"></a> |
| <FONT color="green">040</FONT> import org.apache.bcel.generic.LocalVariableGen;<a name="line.40"></a> |
| <FONT color="green">041</FONT> import org.apache.bcel.generic.NEW;<a name="line.41"></a> |
| <FONT color="green">042</FONT> import org.apache.bcel.generic.PUSH;<a name="line.42"></a> |
| <FONT color="green">043</FONT> import org.apache.xalan.xsltc.compiler.util.BooleanType;<a name="line.43"></a> |
| <FONT color="green">044</FONT> import org.apache.xalan.xsltc.compiler.util.ClassGenerator;<a name="line.44"></a> |
| <FONT color="green">045</FONT> import org.apache.xalan.xsltc.compiler.util.ErrorMsg;<a name="line.45"></a> |
| <FONT color="green">046</FONT> import org.apache.xalan.xsltc.compiler.util.IntType;<a name="line.46"></a> |
| <FONT color="green">047</FONT> import org.apache.xalan.xsltc.compiler.util.MethodGenerator;<a name="line.47"></a> |
| <FONT color="green">048</FONT> import org.apache.xalan.xsltc.compiler.util.MethodType;<a name="line.48"></a> |
| <FONT color="green">049</FONT> import org.apache.xalan.xsltc.compiler.util.MultiHashtable;<a name="line.49"></a> |
| <FONT color="green">050</FONT> import org.apache.xalan.xsltc.compiler.util.ObjectType;<a name="line.50"></a> |
| <FONT color="green">051</FONT> import org.apache.xalan.xsltc.compiler.util.ReferenceType;<a name="line.51"></a> |
| <FONT color="green">052</FONT> import org.apache.xalan.xsltc.compiler.util.Type;<a name="line.52"></a> |
| <FONT color="green">053</FONT> import org.apache.xalan.xsltc.compiler.util.TypeCheckError;<a name="line.53"></a> |
| <FONT color="green">054</FONT> <a name="line.54"></a> |
| <FONT color="green">055</FONT> /**<a name="line.55"></a> |
| <FONT color="green">056</FONT> * @author Jacek Ambroziak<a name="line.56"></a> |
| <FONT color="green">057</FONT> * @author Santiago Pericas-Geertsen<a name="line.57"></a> |
| <FONT color="green">058</FONT> * @author Morten Jorgensen<a name="line.58"></a> |
| <FONT color="green">059</FONT> * @author Erwin Bolwidt <ejb@klomp.org><a name="line.59"></a> |
| <FONT color="green">060</FONT> * @author Todd Miller<a name="line.60"></a> |
| <FONT color="green">061</FONT> */<a name="line.61"></a> |
| <FONT color="green">062</FONT> class FunctionCall extends Expression {<a name="line.62"></a> |
| <FONT color="green">063</FONT> <a name="line.63"></a> |
| <FONT color="green">064</FONT> // Name of this function call<a name="line.64"></a> |
| <FONT color="green">065</FONT> private QName _fname;<a name="line.65"></a> |
| <FONT color="green">066</FONT> // Arguments to this function call (might not be any)<a name="line.66"></a> |
| <FONT color="green">067</FONT> private final Vector _arguments;<a name="line.67"></a> |
| <FONT color="green">068</FONT> // Empty argument list, used for certain functions<a name="line.68"></a> |
| <FONT color="green">069</FONT> private final static Vector EMPTY_ARG_LIST = new Vector(0);<a name="line.69"></a> |
| <FONT color="green">070</FONT> <a name="line.70"></a> |
| <FONT color="green">071</FONT> // Valid namespaces for Java function-call extension<a name="line.71"></a> |
| <FONT color="green">072</FONT> protected final static String EXT_XSLTC = <a name="line.72"></a> |
| <FONT color="green">073</FONT> TRANSLET_URI;<a name="line.73"></a> |
| <FONT color="green">074</FONT> <a name="line.74"></a> |
| <FONT color="green">075</FONT> protected final static String JAVA_EXT_XSLTC = <a name="line.75"></a> |
| <FONT color="green">076</FONT> EXT_XSLTC + "/java";<a name="line.76"></a> |
| <FONT color="green">077</FONT> <a name="line.77"></a> |
| <FONT color="green">078</FONT> protected final static String EXT_XALAN =<a name="line.78"></a> |
| <FONT color="green">079</FONT> "http://xml.apache.org/xalan";<a name="line.79"></a> |
| <FONT color="green">080</FONT> <a name="line.80"></a> |
| <FONT color="green">081</FONT> protected final static String JAVA_EXT_XALAN =<a name="line.81"></a> |
| <FONT color="green">082</FONT> "http://xml.apache.org/xalan/java";<a name="line.82"></a> |
| <FONT color="green">083</FONT> <a name="line.83"></a> |
| <FONT color="green">084</FONT> protected final static String JAVA_EXT_XALAN_OLD =<a name="line.84"></a> |
| <FONT color="green">085</FONT> "http://xml.apache.org/xslt/java";<a name="line.85"></a> |
| <FONT color="green">086</FONT> <a name="line.86"></a> |
| <FONT color="green">087</FONT> protected final static String EXSLT_COMMON =<a name="line.87"></a> |
| <FONT color="green">088</FONT> "http://exslt.org/common";<a name="line.88"></a> |
| <FONT color="green">089</FONT> <a name="line.89"></a> |
| <FONT color="green">090</FONT> protected final static String EXSLT_MATH =<a name="line.90"></a> |
| <FONT color="green">091</FONT> "http://exslt.org/math";<a name="line.91"></a> |
| <FONT color="green">092</FONT> <a name="line.92"></a> |
| <FONT color="green">093</FONT> protected final static String EXSLT_SETS =<a name="line.93"></a> |
| <FONT color="green">094</FONT> "http://exslt.org/sets";<a name="line.94"></a> |
| <FONT color="green">095</FONT> <a name="line.95"></a> |
| <FONT color="green">096</FONT> protected final static String EXSLT_DATETIME =<a name="line.96"></a> |
| <FONT color="green">097</FONT> "http://exslt.org/dates-and-times";<a name="line.97"></a> |
| <FONT color="green">098</FONT> <a name="line.98"></a> |
| <FONT color="green">099</FONT> protected final static String EXSLT_STRINGS =<a name="line.99"></a> |
| <FONT color="green">100</FONT> "http://exslt.org/strings";<a name="line.100"></a> |
| <FONT color="green">101</FONT> <a name="line.101"></a> |
| <FONT color="green">102</FONT> // Namespace format constants<a name="line.102"></a> |
| <FONT color="green">103</FONT> protected final static int NAMESPACE_FORMAT_JAVA = 0;<a name="line.103"></a> |
| <FONT color="green">104</FONT> protected final static int NAMESPACE_FORMAT_CLASS = 1;<a name="line.104"></a> |
| <FONT color="green">105</FONT> protected final static int NAMESPACE_FORMAT_PACKAGE = 2;<a name="line.105"></a> |
| <FONT color="green">106</FONT> protected final static int NAMESPACE_FORMAT_CLASS_OR_PACKAGE = 3;<a name="line.106"></a> |
| <FONT color="green">107</FONT> <a name="line.107"></a> |
| <FONT color="green">108</FONT> // Namespace format<a name="line.108"></a> |
| <FONT color="green">109</FONT> private int _namespace_format = NAMESPACE_FORMAT_JAVA;<a name="line.109"></a> |
| <FONT color="green">110</FONT> <a name="line.110"></a> |
| <FONT color="green">111</FONT> /**<a name="line.111"></a> |
| <FONT color="green">112</FONT> * Stores reference to object for non-static Java calls<a name="line.112"></a> |
| <FONT color="green">113</FONT> */<a name="line.113"></a> |
| <FONT color="green">114</FONT> Expression _thisArgument = null;<a name="line.114"></a> |
| <FONT color="green">115</FONT> <a name="line.115"></a> |
| <FONT color="green">116</FONT> // External Java function's class/method/signature<a name="line.116"></a> |
| <FONT color="green">117</FONT> private String _className;<a name="line.117"></a> |
| <FONT color="green">118</FONT> private Class _clazz;<a name="line.118"></a> |
| <FONT color="green">119</FONT> private Method _chosenMethod;<a name="line.119"></a> |
| <FONT color="green">120</FONT> private Constructor _chosenConstructor;<a name="line.120"></a> |
| <FONT color="green">121</FONT> private MethodType _chosenMethodType;<a name="line.121"></a> |
| <FONT color="green">122</FONT> <a name="line.122"></a> |
| <FONT color="green">123</FONT> // Encapsulates all unsupported external function calls<a name="line.123"></a> |
| <FONT color="green">124</FONT> private boolean unresolvedExternal;<a name="line.124"></a> |
| <FONT color="green">125</FONT> <a name="line.125"></a> |
| <FONT color="green">126</FONT> // If FunctionCall is a external java constructor <a name="line.126"></a> |
| <FONT color="green">127</FONT> private boolean _isExtConstructor = false; <a name="line.127"></a> |
| <FONT color="green">128</FONT> <a name="line.128"></a> |
| <FONT color="green">129</FONT> // If the java method is static<a name="line.129"></a> |
| <FONT color="green">130</FONT> private boolean _isStatic = false;<a name="line.130"></a> |
| <FONT color="green">131</FONT> <a name="line.131"></a> |
| <FONT color="green">132</FONT> // Legal conversions between internal and Java types.<a name="line.132"></a> |
| <FONT color="green">133</FONT> private static final MultiHashtable _internal2Java = new MultiHashtable();<a name="line.133"></a> |
| <FONT color="green">134</FONT> <a name="line.134"></a> |
| <FONT color="green">135</FONT> // Legal conversions between Java and internal types.<a name="line.135"></a> |
| <FONT color="green">136</FONT> private static final Hashtable _java2Internal = new Hashtable();<a name="line.136"></a> |
| <FONT color="green">137</FONT> <a name="line.137"></a> |
| <FONT color="green">138</FONT> // The mappings between EXSLT extension namespaces and implementation classes<a name="line.138"></a> |
| <FONT color="green">139</FONT> private static final Hashtable _extensionNamespaceTable = new Hashtable();<a name="line.139"></a> |
| <FONT color="green">140</FONT> <a name="line.140"></a> |
| <FONT color="green">141</FONT> // Extension functions that are implemented in BasisLibrary<a name="line.141"></a> |
| <FONT color="green">142</FONT> private static final Hashtable _extensionFunctionTable = new Hashtable();<a name="line.142"></a> |
| <FONT color="green">143</FONT> /**<a name="line.143"></a> |
| <FONT color="green">144</FONT> * inner class to used in internal2Java mappings, contains<a name="line.144"></a> |
| <FONT color="green">145</FONT> * the Java type and the distance between the internal type and<a name="line.145"></a> |
| <FONT color="green">146</FONT> * the Java type. <a name="line.146"></a> |
| <FONT color="green">147</FONT> */<a name="line.147"></a> |
| <FONT color="green">148</FONT> static class JavaType {<a name="line.148"></a> |
| <FONT color="green">149</FONT> public Class type;<a name="line.149"></a> |
| <FONT color="green">150</FONT> public int distance;<a name="line.150"></a> |
| <FONT color="green">151</FONT> <a name="line.151"></a> |
| <FONT color="green">152</FONT> public JavaType(Class type, int distance){<a name="line.152"></a> |
| <FONT color="green">153</FONT> this.type = type;<a name="line.153"></a> |
| <FONT color="green">154</FONT> this.distance = distance;<a name="line.154"></a> |
| <FONT color="green">155</FONT> }<a name="line.155"></a> |
| <FONT color="green">156</FONT> public boolean equals(Object query){<a name="line.156"></a> |
| <FONT color="green">157</FONT> return query.equals(type);<a name="line.157"></a> |
| <FONT color="green">158</FONT> }<a name="line.158"></a> |
| <FONT color="green">159</FONT> } <a name="line.159"></a> |
| <FONT color="green">160</FONT> <a name="line.160"></a> |
| <FONT color="green">161</FONT> /**<a name="line.161"></a> |
| <FONT color="green">162</FONT> * Defines 2 conversion tables:<a name="line.162"></a> |
| <FONT color="green">163</FONT> * 1. From internal types to Java types and<a name="line.163"></a> |
| <FONT color="green">164</FONT> * 2. From Java types to internal types.<a name="line.164"></a> |
| <FONT color="green">165</FONT> * These two tables are used when calling external (Java) functions.<a name="line.165"></a> |
| <FONT color="green">166</FONT> */<a name="line.166"></a> |
| <FONT color="green">167</FONT> static {<a name="line.167"></a> |
| <FONT color="green">168</FONT> try {<a name="line.168"></a> |
| <FONT color="green">169</FONT> final Class nodeClass = Class.forName("org.w3c.dom.Node");<a name="line.169"></a> |
| <FONT color="green">170</FONT> final Class nodeListClass = Class.forName("org.w3c.dom.NodeList");<a name="line.170"></a> |
| <FONT color="green">171</FONT> <a name="line.171"></a> |
| <FONT color="green">172</FONT> // -- Internal to Java --------------------------------------------<a name="line.172"></a> |
| <FONT color="green">173</FONT> <a name="line.173"></a> |
| <FONT color="green">174</FONT> // Type.Boolean -> { boolean(0), Boolean(1), Object(2) }<a name="line.174"></a> |
| <FONT color="green">175</FONT> _internal2Java.put(Type.Boolean, new JavaType(Boolean.TYPE, 0));<a name="line.175"></a> |
| <FONT color="green">176</FONT> _internal2Java.put(Type.Boolean, new JavaType(Boolean.class, 1));<a name="line.176"></a> |
| <FONT color="green">177</FONT> _internal2Java.put(Type.Boolean, new JavaType(Object.class, 2));<a name="line.177"></a> |
| <FONT color="green">178</FONT> <a name="line.178"></a> |
| <FONT color="green">179</FONT> // Type.Real -> { double(0), Double(1), float(2), long(3), int(4),<a name="line.179"></a> |
| <FONT color="green">180</FONT> // short(5), byte(6), char(7), Object(8) }<a name="line.180"></a> |
| <FONT color="green">181</FONT> _internal2Java.put(Type.Real, new JavaType(Double.TYPE, 0));<a name="line.181"></a> |
| <FONT color="green">182</FONT> _internal2Java.put(Type.Real, new JavaType(Double.class, 1));<a name="line.182"></a> |
| <FONT color="green">183</FONT> _internal2Java.put(Type.Real, new JavaType(Float.TYPE, 2));<a name="line.183"></a> |
| <FONT color="green">184</FONT> _internal2Java.put(Type.Real, new JavaType(Long.TYPE, 3));<a name="line.184"></a> |
| <FONT color="green">185</FONT> _internal2Java.put(Type.Real, new JavaType(Integer.TYPE, 4));<a name="line.185"></a> |
| <FONT color="green">186</FONT> _internal2Java.put(Type.Real, new JavaType(Short.TYPE, 5));<a name="line.186"></a> |
| <FONT color="green">187</FONT> _internal2Java.put(Type.Real, new JavaType(Byte.TYPE, 6));<a name="line.187"></a> |
| <FONT color="green">188</FONT> _internal2Java.put(Type.Real, new JavaType(Character.TYPE, 7)); <a name="line.188"></a> |
| <FONT color="green">189</FONT> _internal2Java.put(Type.Real, new JavaType(Object.class, 8));<a name="line.189"></a> |
| <FONT color="green">190</FONT> <a name="line.190"></a> |
| <FONT color="green">191</FONT> // Type.Int must be the same as Type.Real<a name="line.191"></a> |
| <FONT color="green">192</FONT> _internal2Java.put(Type.Int, new JavaType(Double.TYPE, 0));<a name="line.192"></a> |
| <FONT color="green">193</FONT> _internal2Java.put(Type.Int, new JavaType(Double.class, 1));<a name="line.193"></a> |
| <FONT color="green">194</FONT> _internal2Java.put(Type.Int, new JavaType(Float.TYPE, 2));<a name="line.194"></a> |
| <FONT color="green">195</FONT> _internal2Java.put(Type.Int, new JavaType(Long.TYPE, 3));<a name="line.195"></a> |
| <FONT color="green">196</FONT> _internal2Java.put(Type.Int, new JavaType(Integer.TYPE, 4));<a name="line.196"></a> |
| <FONT color="green">197</FONT> _internal2Java.put(Type.Int, new JavaType(Short.TYPE, 5));<a name="line.197"></a> |
| <FONT color="green">198</FONT> _internal2Java.put(Type.Int, new JavaType(Byte.TYPE, 6));<a name="line.198"></a> |
| <FONT color="green">199</FONT> _internal2Java.put(Type.Int, new JavaType(Character.TYPE, 7)); <a name="line.199"></a> |
| <FONT color="green">200</FONT> _internal2Java.put(Type.Int, new JavaType(Object.class, 8));<a name="line.200"></a> |
| <FONT color="green">201</FONT> <a name="line.201"></a> |
| <FONT color="green">202</FONT> // Type.String -> { String(0), Object(1) }<a name="line.202"></a> |
| <FONT color="green">203</FONT> _internal2Java.put(Type.String, new JavaType(String.class, 0)); <a name="line.203"></a> |
| <FONT color="green">204</FONT> _internal2Java.put(Type.String, new JavaType(Object.class, 1));<a name="line.204"></a> |
| <FONT color="green">205</FONT> <a name="line.205"></a> |
| <FONT color="green">206</FONT> // Type.NodeSet -> { NodeList(0), Node(1), Object(2), String(3) }<a name="line.206"></a> |
| <FONT color="green">207</FONT> _internal2Java.put(Type.NodeSet, new JavaType(nodeListClass, 0)); <a name="line.207"></a> |
| <FONT color="green">208</FONT> _internal2Java.put(Type.NodeSet, new JavaType(nodeClass, 1)); <a name="line.208"></a> |
| <FONT color="green">209</FONT> _internal2Java.put(Type.NodeSet, new JavaType(Object.class, 2));<a name="line.209"></a> |
| <FONT color="green">210</FONT> _internal2Java.put(Type.NodeSet, new JavaType(String.class, 3)); <a name="line.210"></a> |
| <FONT color="green">211</FONT> <a name="line.211"></a> |
| <FONT color="green">212</FONT> // Type.Node -> { Node(0), NodeList(1), Object(2), String(3) }<a name="line.212"></a> |
| <FONT color="green">213</FONT> _internal2Java.put(Type.Node, new JavaType(nodeListClass, 0));<a name="line.213"></a> |
| <FONT color="green">214</FONT> _internal2Java.put(Type.Node, new JavaType(nodeClass, 1)); <a name="line.214"></a> |
| <FONT color="green">215</FONT> _internal2Java.put(Type.Node, new JavaType(Object.class, 2));<a name="line.215"></a> |
| <FONT color="green">216</FONT> _internal2Java.put(Type.Node, new JavaType(String.class, 3));<a name="line.216"></a> |
| <FONT color="green">217</FONT> <a name="line.217"></a> |
| <FONT color="green">218</FONT> // Type.ResultTree -> { NodeList(0), Node(1), Object(2), String(3) }<a name="line.218"></a> |
| <FONT color="green">219</FONT> _internal2Java.put(Type.ResultTree, new JavaType(nodeListClass, 0));<a name="line.219"></a> |
| <FONT color="green">220</FONT> _internal2Java.put(Type.ResultTree, new JavaType(nodeClass, 1)); <a name="line.220"></a> |
| <FONT color="green">221</FONT> _internal2Java.put(Type.ResultTree, new JavaType(Object.class, 2));<a name="line.221"></a> |
| <FONT color="green">222</FONT> _internal2Java.put(Type.ResultTree, new JavaType(String.class, 3));<a name="line.222"></a> |
| <FONT color="green">223</FONT> <a name="line.223"></a> |
| <FONT color="green">224</FONT> _internal2Java.put(Type.Reference, new JavaType(Object.class, 0));<a name="line.224"></a> |
| <FONT color="green">225</FONT> <a name="line.225"></a> |
| <FONT color="green">226</FONT> // Possible conversions between Java and internal types<a name="line.226"></a> |
| <FONT color="green">227</FONT> _java2Internal.put(Boolean.TYPE, Type.Boolean); <a name="line.227"></a> |
| <FONT color="green">228</FONT> _java2Internal.put(Void.TYPE, Type.Void);<a name="line.228"></a> |
| <FONT color="green">229</FONT> _java2Internal.put(Character.TYPE, Type.Real); <a name="line.229"></a> |
| <FONT color="green">230</FONT> _java2Internal.put(Byte.TYPE, Type.Real);<a name="line.230"></a> |
| <FONT color="green">231</FONT> _java2Internal.put(Short.TYPE, Type.Real);<a name="line.231"></a> |
| <FONT color="green">232</FONT> _java2Internal.put(Integer.TYPE, Type.Real);<a name="line.232"></a> |
| <FONT color="green">233</FONT> _java2Internal.put(Long.TYPE, Type.Real);<a name="line.233"></a> |
| <FONT color="green">234</FONT> _java2Internal.put(Float.TYPE, Type.Real);<a name="line.234"></a> |
| <FONT color="green">235</FONT> _java2Internal.put(Double.TYPE, Type.Real);<a name="line.235"></a> |
| <FONT color="green">236</FONT> <a name="line.236"></a> |
| <FONT color="green">237</FONT> _java2Internal.put(String.class, Type.String);<a name="line.237"></a> |
| <FONT color="green">238</FONT> <a name="line.238"></a> |
| <FONT color="green">239</FONT> _java2Internal.put(Object.class, Type.Reference);<a name="line.239"></a> |
| <FONT color="green">240</FONT> <a name="line.240"></a> |
| <FONT color="green">241</FONT> // Conversions from org.w3c.dom.Node/NodeList to internal NodeSet<a name="line.241"></a> |
| <FONT color="green">242</FONT> _java2Internal.put(nodeListClass, Type.NodeSet);<a name="line.242"></a> |
| <FONT color="green">243</FONT> _java2Internal.put(nodeClass, Type.NodeSet);<a name="line.243"></a> |
| <FONT color="green">244</FONT> <a name="line.244"></a> |
| <FONT color="green">245</FONT> // Initialize the extension namespace table<a name="line.245"></a> |
| <FONT color="green">246</FONT> _extensionNamespaceTable.put(EXT_XALAN, "org.apache.xalan.lib.Extensions");<a name="line.246"></a> |
| <FONT color="green">247</FONT> _extensionNamespaceTable.put(EXSLT_COMMON, "org.apache.xalan.lib.ExsltCommon");<a name="line.247"></a> |
| <FONT color="green">248</FONT> _extensionNamespaceTable.put(EXSLT_MATH, "org.apache.xalan.lib.ExsltMath");<a name="line.248"></a> |
| <FONT color="green">249</FONT> _extensionNamespaceTable.put(EXSLT_SETS, "org.apache.xalan.lib.ExsltSets");<a name="line.249"></a> |
| <FONT color="green">250</FONT> _extensionNamespaceTable.put(EXSLT_DATETIME, "org.apache.xalan.lib.ExsltDatetime");<a name="line.250"></a> |
| <FONT color="green">251</FONT> _extensionNamespaceTable.put(EXSLT_STRINGS, "org.apache.xalan.lib.ExsltStrings");<a name="line.251"></a> |
| <FONT color="green">252</FONT> <a name="line.252"></a> |
| <FONT color="green">253</FONT> // Initialize the extension function table<a name="line.253"></a> |
| <FONT color="green">254</FONT> _extensionFunctionTable.put(EXSLT_COMMON + ":nodeSet", "nodeset");<a name="line.254"></a> |
| <FONT color="green">255</FONT> _extensionFunctionTable.put(EXSLT_COMMON + ":objectType", "objectType"); <a name="line.255"></a> |
| <FONT color="green">256</FONT> _extensionFunctionTable.put(EXT_XALAN + ":nodeset", "nodeset");<a name="line.256"></a> |
| <FONT color="green">257</FONT> }<a name="line.257"></a> |
| <FONT color="green">258</FONT> catch (ClassNotFoundException e) {<a name="line.258"></a> |
| <FONT color="green">259</FONT> System.err.println(e);<a name="line.259"></a> |
| <FONT color="green">260</FONT> }<a name="line.260"></a> |
| <FONT color="green">261</FONT> }<a name="line.261"></a> |
| <FONT color="green">262</FONT> <a name="line.262"></a> |
| <FONT color="green">263</FONT> public FunctionCall(QName fname, Vector arguments) {<a name="line.263"></a> |
| <FONT color="green">264</FONT> _fname = fname;<a name="line.264"></a> |
| <FONT color="green">265</FONT> _arguments = arguments;<a name="line.265"></a> |
| <FONT color="green">266</FONT> _type = null;<a name="line.266"></a> |
| <FONT color="green">267</FONT> }<a name="line.267"></a> |
| <FONT color="green">268</FONT> <a name="line.268"></a> |
| <FONT color="green">269</FONT> public FunctionCall(QName fname) {<a name="line.269"></a> |
| <FONT color="green">270</FONT> this(fname, EMPTY_ARG_LIST);<a name="line.270"></a> |
| <FONT color="green">271</FONT> }<a name="line.271"></a> |
| <FONT color="green">272</FONT> <a name="line.272"></a> |
| <FONT color="green">273</FONT> public String getName() {<a name="line.273"></a> |
| <FONT color="green">274</FONT> return(_fname.toString());<a name="line.274"></a> |
| <FONT color="green">275</FONT> }<a name="line.275"></a> |
| <FONT color="green">276</FONT> <a name="line.276"></a> |
| <FONT color="green">277</FONT> public void setParser(Parser parser) {<a name="line.277"></a> |
| <FONT color="green">278</FONT> super.setParser(parser);<a name="line.278"></a> |
| <FONT color="green">279</FONT> if (_arguments != null) {<a name="line.279"></a> |
| <FONT color="green">280</FONT> final int n = _arguments.size();<a name="line.280"></a> |
| <FONT color="green">281</FONT> for (int i = 0; i < n; i++) {<a name="line.281"></a> |
| <FONT color="green">282</FONT> final Expression exp = (Expression)_arguments.elementAt(i);<a name="line.282"></a> |
| <FONT color="green">283</FONT> exp.setParser(parser);<a name="line.283"></a> |
| <FONT color="green">284</FONT> exp.setParent(this);<a name="line.284"></a> |
| <FONT color="green">285</FONT> }<a name="line.285"></a> |
| <FONT color="green">286</FONT> }<a name="line.286"></a> |
| <FONT color="green">287</FONT> }<a name="line.287"></a> |
| <FONT color="green">288</FONT> <a name="line.288"></a> |
| <FONT color="green">289</FONT> public String getClassNameFromUri(String uri) <a name="line.289"></a> |
| <FONT color="green">290</FONT> { <a name="line.290"></a> |
| <FONT color="green">291</FONT> String className = (String)_extensionNamespaceTable.get(uri);<a name="line.291"></a> |
| <FONT color="green">292</FONT> <a name="line.292"></a> |
| <FONT color="green">293</FONT> if (className != null)<a name="line.293"></a> |
| <FONT color="green">294</FONT> return className;<a name="line.294"></a> |
| <FONT color="green">295</FONT> else {<a name="line.295"></a> |
| <FONT color="green">296</FONT> if (uri.startsWith(JAVA_EXT_XSLTC)) {<a name="line.296"></a> |
| <FONT color="green">297</FONT> int length = JAVA_EXT_XSLTC.length() + 1;<a name="line.297"></a> |
| <FONT color="green">298</FONT> return (uri.length() > length) ? uri.substring(length) : EMPTYSTRING;<a name="line.298"></a> |
| <FONT color="green">299</FONT> }<a name="line.299"></a> |
| <FONT color="green">300</FONT> else if (uri.startsWith(JAVA_EXT_XALAN)) {<a name="line.300"></a> |
| <FONT color="green">301</FONT> int length = JAVA_EXT_XALAN.length() + 1;<a name="line.301"></a> |
| <FONT color="green">302</FONT> return (uri.length() > length) ? uri.substring(length) : EMPTYSTRING;<a name="line.302"></a> |
| <FONT color="green">303</FONT> }<a name="line.303"></a> |
| <FONT color="green">304</FONT> else if (uri.startsWith(JAVA_EXT_XALAN_OLD)) {<a name="line.304"></a> |
| <FONT color="green">305</FONT> int length = JAVA_EXT_XALAN_OLD.length() + 1;<a name="line.305"></a> |
| <FONT color="green">306</FONT> return (uri.length() > length) ? uri.substring(length) : EMPTYSTRING;<a name="line.306"></a> |
| <FONT color="green">307</FONT> }<a name="line.307"></a> |
| <FONT color="green">308</FONT> else {<a name="line.308"></a> |
| <FONT color="green">309</FONT> int index = uri.lastIndexOf('/');<a name="line.309"></a> |
| <FONT color="green">310</FONT> return (index > 0) ? uri.substring(index+1) : uri;<a name="line.310"></a> |
| <FONT color="green">311</FONT> } <a name="line.311"></a> |
| <FONT color="green">312</FONT> }<a name="line.312"></a> |
| <FONT color="green">313</FONT> }<a name="line.313"></a> |
| <FONT color="green">314</FONT> <a name="line.314"></a> |
| <FONT color="green">315</FONT> /**<a name="line.315"></a> |
| <FONT color="green">316</FONT> * Type check a function call. Since different type conversions apply,<a name="line.316"></a> |
| <FONT color="green">317</FONT> * type checking is different for standard and external (Java) functions.<a name="line.317"></a> |
| <FONT color="green">318</FONT> */<a name="line.318"></a> |
| <FONT color="green">319</FONT> public Type typeCheck(SymbolTable stable) <a name="line.319"></a> |
| <FONT color="green">320</FONT> throws TypeCheckError <a name="line.320"></a> |
| <FONT color="green">321</FONT> {<a name="line.321"></a> |
| <FONT color="green">322</FONT> if (_type != null) return _type;<a name="line.322"></a> |
| <FONT color="green">323</FONT> <a name="line.323"></a> |
| <FONT color="green">324</FONT> final String namespace = _fname.getNamespace();<a name="line.324"></a> |
| <FONT color="green">325</FONT> String local = _fname.getLocalPart();<a name="line.325"></a> |
| <FONT color="green">326</FONT> <a name="line.326"></a> |
| <FONT color="green">327</FONT> if (isExtension()) {<a name="line.327"></a> |
| <FONT color="green">328</FONT> _fname = new QName(null, null, local);<a name="line.328"></a> |
| <FONT color="green">329</FONT> return typeCheckStandard(stable);<a name="line.329"></a> |
| <FONT color="green">330</FONT> }<a name="line.330"></a> |
| <FONT color="green">331</FONT> else if (isStandard()) {<a name="line.331"></a> |
| <FONT color="green">332</FONT> return typeCheckStandard(stable);<a name="line.332"></a> |
| <FONT color="green">333</FONT> }<a name="line.333"></a> |
| <FONT color="green">334</FONT> // Handle extension functions (they all have a namespace)<a name="line.334"></a> |
| <FONT color="green">335</FONT> else {<a name="line.335"></a> |
| <FONT color="green">336</FONT> try {<a name="line.336"></a> |
| <FONT color="green">337</FONT> _className = getClassNameFromUri(namespace);<a name="line.337"></a> |
| <FONT color="green">338</FONT> <a name="line.338"></a> |
| <FONT color="green">339</FONT> final int pos = local.lastIndexOf('.');<a name="line.339"></a> |
| <FONT color="green">340</FONT> if (pos > 0) {<a name="line.340"></a> |
| <FONT color="green">341</FONT> _isStatic = true;<a name="line.341"></a> |
| <FONT color="green">342</FONT> if (_className != null && _className.length() > 0) {<a name="line.342"></a> |
| <FONT color="green">343</FONT> _namespace_format = NAMESPACE_FORMAT_PACKAGE;<a name="line.343"></a> |
| <FONT color="green">344</FONT> _className = _className + "." + local.substring(0, pos);<a name="line.344"></a> |
| <FONT color="green">345</FONT> }<a name="line.345"></a> |
| <FONT color="green">346</FONT> else {<a name="line.346"></a> |
| <FONT color="green">347</FONT> _namespace_format = NAMESPACE_FORMAT_JAVA;<a name="line.347"></a> |
| <FONT color="green">348</FONT> _className = local.substring(0, pos);<a name="line.348"></a> |
| <FONT color="green">349</FONT> }<a name="line.349"></a> |
| <FONT color="green">350</FONT> <a name="line.350"></a> |
| <FONT color="green">351</FONT> _fname = new QName(namespace, null, local.substring(pos + 1));<a name="line.351"></a> |
| <FONT color="green">352</FONT> }<a name="line.352"></a> |
| <FONT color="green">353</FONT> else {<a name="line.353"></a> |
| <FONT color="green">354</FONT> if (_className != null && _className.length() > 0) {<a name="line.354"></a> |
| <FONT color="green">355</FONT> try {<a name="line.355"></a> |
| <FONT color="green">356</FONT> _clazz = ObjectFactory.findProviderClass(<a name="line.356"></a> |
| <FONT color="green">357</FONT> _className, ObjectFactory.findClassLoader(), true);<a name="line.357"></a> |
| <FONT color="green">358</FONT> _namespace_format = NAMESPACE_FORMAT_CLASS;<a name="line.358"></a> |
| <FONT color="green">359</FONT> }<a name="line.359"></a> |
| <FONT color="green">360</FONT> catch (ClassNotFoundException e) {<a name="line.360"></a> |
| <FONT color="green">361</FONT> _namespace_format = NAMESPACE_FORMAT_PACKAGE; <a name="line.361"></a> |
| <FONT color="green">362</FONT> }<a name="line.362"></a> |
| <FONT color="green">363</FONT> }<a name="line.363"></a> |
| <FONT color="green">364</FONT> else<a name="line.364"></a> |
| <FONT color="green">365</FONT> _namespace_format = NAMESPACE_FORMAT_JAVA;<a name="line.365"></a> |
| <FONT color="green">366</FONT> <a name="line.366"></a> |
| <FONT color="green">367</FONT> if (local.indexOf('-') > 0) {<a name="line.367"></a> |
| <FONT color="green">368</FONT> local = replaceDash(local);<a name="line.368"></a> |
| <FONT color="green">369</FONT> }<a name="line.369"></a> |
| <FONT color="green">370</FONT> <a name="line.370"></a> |
| <FONT color="green">371</FONT> String extFunction = (String)_extensionFunctionTable.get(namespace + ":" + local);<a name="line.371"></a> |
| <FONT color="green">372</FONT> if (extFunction != null) {<a name="line.372"></a> |
| <FONT color="green">373</FONT> _fname = new QName(null, null, extFunction);<a name="line.373"></a> |
| <FONT color="green">374</FONT> return typeCheckStandard(stable);<a name="line.374"></a> |
| <FONT color="green">375</FONT> }<a name="line.375"></a> |
| <FONT color="green">376</FONT> else<a name="line.376"></a> |
| <FONT color="green">377</FONT> _fname = new QName(namespace, null, local);<a name="line.377"></a> |
| <FONT color="green">378</FONT> }<a name="line.378"></a> |
| <FONT color="green">379</FONT> <a name="line.379"></a> |
| <FONT color="green">380</FONT> return typeCheckExternal(stable);<a name="line.380"></a> |
| <FONT color="green">381</FONT> } <a name="line.381"></a> |
| <FONT color="green">382</FONT> catch (TypeCheckError e) {<a name="line.382"></a> |
| <FONT color="green">383</FONT> ErrorMsg errorMsg = e.getErrorMsg();<a name="line.383"></a> |
| <FONT color="green">384</FONT> if (errorMsg == null) {<a name="line.384"></a> |
| <FONT color="green">385</FONT> final String name = _fname.getLocalPart();<a name="line.385"></a> |
| <FONT color="green">386</FONT> errorMsg = new ErrorMsg(ErrorMsg.METHOD_NOT_FOUND_ERR, name);<a name="line.386"></a> |
| <FONT color="green">387</FONT> }<a name="line.387"></a> |
| <FONT color="green">388</FONT> getParser().reportError(ERROR, errorMsg);<a name="line.388"></a> |
| <FONT color="green">389</FONT> return _type = Type.Void;<a name="line.389"></a> |
| <FONT color="green">390</FONT> }<a name="line.390"></a> |
| <FONT color="green">391</FONT> }<a name="line.391"></a> |
| <FONT color="green">392</FONT> }<a name="line.392"></a> |
| <FONT color="green">393</FONT> <a name="line.393"></a> |
| <FONT color="green">394</FONT> /**<a name="line.394"></a> |
| <FONT color="green">395</FONT> * Type check a call to a standard function. Insert CastExprs when needed.<a name="line.395"></a> |
| <FONT color="green">396</FONT> * If as a result of the insertion of a CastExpr a type check error is <a name="line.396"></a> |
| <FONT color="green">397</FONT> * thrown, then catch it and re-throw it with a new "this".<a name="line.397"></a> |
| <FONT color="green">398</FONT> */<a name="line.398"></a> |
| <FONT color="green">399</FONT> public Type typeCheckStandard(SymbolTable stable) throws TypeCheckError {<a name="line.399"></a> |
| <FONT color="green">400</FONT> _fname.clearNamespace(); // HACK!!!<a name="line.400"></a> |
| <FONT color="green">401</FONT> <a name="line.401"></a> |
| <FONT color="green">402</FONT> final int n = _arguments.size();<a name="line.402"></a> |
| <FONT color="green">403</FONT> final Vector argsType = typeCheckArgs(stable);<a name="line.403"></a> |
| <FONT color="green">404</FONT> final MethodType args = new MethodType(Type.Void, argsType);<a name="line.404"></a> |
| <FONT color="green">405</FONT> final MethodType ptype =<a name="line.405"></a> |
| <FONT color="green">406</FONT> lookupPrimop(stable, _fname.getLocalPart(), args);<a name="line.406"></a> |
| <FONT color="green">407</FONT> <a name="line.407"></a> |
| <FONT color="green">408</FONT> if (ptype != null) {<a name="line.408"></a> |
| <FONT color="green">409</FONT> for (int i = 0; i < n; i++) {<a name="line.409"></a> |
| <FONT color="green">410</FONT> final Type argType = (Type) ptype.argsType().elementAt(i);<a name="line.410"></a> |
| <FONT color="green">411</FONT> final Expression exp = (Expression)_arguments.elementAt(i);<a name="line.411"></a> |
| <FONT color="green">412</FONT> if (!argType.identicalTo(exp.getType())) {<a name="line.412"></a> |
| <FONT color="green">413</FONT> try {<a name="line.413"></a> |
| <FONT color="green">414</FONT> _arguments.setElementAt(new CastExpr(exp, argType), i);<a name="line.414"></a> |
| <FONT color="green">415</FONT> }<a name="line.415"></a> |
| <FONT color="green">416</FONT> catch (TypeCheckError e) {<a name="line.416"></a> |
| <FONT color="green">417</FONT> throw new TypeCheckError(this); // invalid conversion<a name="line.417"></a> |
| <FONT color="green">418</FONT> }<a name="line.418"></a> |
| <FONT color="green">419</FONT> }<a name="line.419"></a> |
| <FONT color="green">420</FONT> }<a name="line.420"></a> |
| <FONT color="green">421</FONT> _chosenMethodType = ptype;<a name="line.421"></a> |
| <FONT color="green">422</FONT> return _type = ptype.resultType();<a name="line.422"></a> |
| <FONT color="green">423</FONT> }<a name="line.423"></a> |
| <FONT color="green">424</FONT> throw new TypeCheckError(this);<a name="line.424"></a> |
| <FONT color="green">425</FONT> }<a name="line.425"></a> |
| <FONT color="green">426</FONT> <a name="line.426"></a> |
| <FONT color="green">427</FONT> <a name="line.427"></a> |
| <FONT color="green">428</FONT> <a name="line.428"></a> |
| <FONT color="green">429</FONT> public Type typeCheckConstructor(SymbolTable stable) throws TypeCheckError{<a name="line.429"></a> |
| <FONT color="green">430</FONT> final Vector constructors = findConstructors();<a name="line.430"></a> |
| <FONT color="green">431</FONT> if (constructors == null) {<a name="line.431"></a> |
| <FONT color="green">432</FONT> // Constructor not found in this class<a name="line.432"></a> |
| <FONT color="green">433</FONT> throw new TypeCheckError(ErrorMsg.CONSTRUCTOR_NOT_FOUND, <a name="line.433"></a> |
| <FONT color="green">434</FONT> _className);<a name="line.434"></a> |
| <FONT color="green">435</FONT> <a name="line.435"></a> |
| <FONT color="green">436</FONT> }<a name="line.436"></a> |
| <FONT color="green">437</FONT> <a name="line.437"></a> |
| <FONT color="green">438</FONT> final int nConstructors = constructors.size();<a name="line.438"></a> |
| <FONT color="green">439</FONT> final int nArgs = _arguments.size();<a name="line.439"></a> |
| <FONT color="green">440</FONT> final Vector argsType = typeCheckArgs(stable);<a name="line.440"></a> |
| <FONT color="green">441</FONT> <a name="line.441"></a> |
| <FONT color="green">442</FONT> // Try all constructors <a name="line.442"></a> |
| <FONT color="green">443</FONT> int bestConstrDistance = Integer.MAX_VALUE;<a name="line.443"></a> |
| <FONT color="green">444</FONT> _type = null; // reset<a name="line.444"></a> |
| <FONT color="green">445</FONT> for (int j, i = 0; i < nConstructors; i++) {<a name="line.445"></a> |
| <FONT color="green">446</FONT> // Check if all parameters to this constructor can be converted<a name="line.446"></a> |
| <FONT color="green">447</FONT> final Constructor constructor = <a name="line.447"></a> |
| <FONT color="green">448</FONT> (Constructor)constructors.elementAt(i);<a name="line.448"></a> |
| <FONT color="green">449</FONT> final Class[] paramTypes = constructor.getParameterTypes();<a name="line.449"></a> |
| <FONT color="green">450</FONT> <a name="line.450"></a> |
| <FONT color="green">451</FONT> Class extType = null;<a name="line.451"></a> |
| <FONT color="green">452</FONT> int currConstrDistance = 0;<a name="line.452"></a> |
| <FONT color="green">453</FONT> for (j = 0; j < nArgs; j++) {<a name="line.453"></a> |
| <FONT color="green">454</FONT> // Convert from internal (translet) type to external (Java) type<a name="line.454"></a> |
| <FONT color="green">455</FONT> extType = paramTypes[j];<a name="line.455"></a> |
| <FONT color="green">456</FONT> final Type intType = (Type)argsType.elementAt(j);<a name="line.456"></a> |
| <FONT color="green">457</FONT> Object match = _internal2Java.maps(intType, extType);<a name="line.457"></a> |
| <FONT color="green">458</FONT> if (match != null) {<a name="line.458"></a> |
| <FONT color="green">459</FONT> currConstrDistance += ((JavaType)match).distance;<a name="line.459"></a> |
| <FONT color="green">460</FONT> }<a name="line.460"></a> |
| <FONT color="green">461</FONT> else if (intType instanceof ObjectType) {<a name="line.461"></a> |
| <FONT color="green">462</FONT> ObjectType objectType = (ObjectType)intType;<a name="line.462"></a> |
| <FONT color="green">463</FONT> if (objectType.getJavaClass() == extType)<a name="line.463"></a> |
| <FONT color="green">464</FONT> continue;<a name="line.464"></a> |
| <FONT color="green">465</FONT> else if (extType.isAssignableFrom(objectType.getJavaClass()))<a name="line.465"></a> |
| <FONT color="green">466</FONT> currConstrDistance += 1;<a name="line.466"></a> |
| <FONT color="green">467</FONT> else {<a name="line.467"></a> |
| <FONT color="green">468</FONT> currConstrDistance = Integer.MAX_VALUE;<a name="line.468"></a> |
| <FONT color="green">469</FONT> break;<a name="line.469"></a> |
| <FONT color="green">470</FONT> }<a name="line.470"></a> |
| <FONT color="green">471</FONT> }<a name="line.471"></a> |
| <FONT color="green">472</FONT> else {<a name="line.472"></a> |
| <FONT color="green">473</FONT> // no mapping available<a name="line.473"></a> |
| <FONT color="green">474</FONT> currConstrDistance = Integer.MAX_VALUE;<a name="line.474"></a> |
| <FONT color="green">475</FONT> break;<a name="line.475"></a> |
| <FONT color="green">476</FONT> } <a name="line.476"></a> |
| <FONT color="green">477</FONT> }<a name="line.477"></a> |
| <FONT color="green">478</FONT> <a name="line.478"></a> |
| <FONT color="green">479</FONT> if (j == nArgs && currConstrDistance < bestConstrDistance ) {<a name="line.479"></a> |
| <FONT color="green">480</FONT> _chosenConstructor = constructor;<a name="line.480"></a> |
| <FONT color="green">481</FONT> _isExtConstructor = true;<a name="line.481"></a> |
| <FONT color="green">482</FONT> bestConstrDistance = currConstrDistance;<a name="line.482"></a> |
| <FONT color="green">483</FONT> <a name="line.483"></a> |
| <FONT color="green">484</FONT> _type = (_clazz != null) ? Type.newObjectType(_clazz)<a name="line.484"></a> |
| <FONT color="green">485</FONT> : Type.newObjectType(_className);<a name="line.485"></a> |
| <FONT color="green">486</FONT> }<a name="line.486"></a> |
| <FONT color="green">487</FONT> }<a name="line.487"></a> |
| <FONT color="green">488</FONT> <a name="line.488"></a> |
| <FONT color="green">489</FONT> if (_type != null) {<a name="line.489"></a> |
| <FONT color="green">490</FONT> return _type;<a name="line.490"></a> |
| <FONT color="green">491</FONT> }<a name="line.491"></a> |
| <FONT color="green">492</FONT> <a name="line.492"></a> |
| <FONT color="green">493</FONT> throw new TypeCheckError(ErrorMsg.ARGUMENT_CONVERSION_ERR, getMethodSignature(argsType));<a name="line.493"></a> |
| <FONT color="green">494</FONT> }<a name="line.494"></a> |
| <FONT color="green">495</FONT> <a name="line.495"></a> |
| <FONT color="green">496</FONT> <a name="line.496"></a> |
| <FONT color="green">497</FONT> /**<a name="line.497"></a> |
| <FONT color="green">498</FONT> * Type check a call to an external (Java) method.<a name="line.498"></a> |
| <FONT color="green">499</FONT> * The method must be static an public, and a legal type conversion<a name="line.499"></a> |
| <FONT color="green">500</FONT> * must exist for all its arguments and its return type.<a name="line.500"></a> |
| <FONT color="green">501</FONT> * Every method of name <code>_fname</code> is inspected<a name="line.501"></a> |
| <FONT color="green">502</FONT> * as a possible candidate.<a name="line.502"></a> |
| <FONT color="green">503</FONT> */<a name="line.503"></a> |
| <FONT color="green">504</FONT> public Type typeCheckExternal(SymbolTable stable) throws TypeCheckError {<a name="line.504"></a> |
| <FONT color="green">505</FONT> int nArgs = _arguments.size();<a name="line.505"></a> |
| <FONT color="green">506</FONT> final String name = _fname.getLocalPart();<a name="line.506"></a> |
| <FONT color="green">507</FONT> <a name="line.507"></a> |
| <FONT color="green">508</FONT> // check if function is a contructor 'new'<a name="line.508"></a> |
| <FONT color="green">509</FONT> if (_fname.getLocalPart().equals("new")) {<a name="line.509"></a> |
| <FONT color="green">510</FONT> return typeCheckConstructor(stable);<a name="line.510"></a> |
| <FONT color="green">511</FONT> }<a name="line.511"></a> |
| <FONT color="green">512</FONT> // check if we are calling an instance method<a name="line.512"></a> |
| <FONT color="green">513</FONT> else {<a name="line.513"></a> |
| <FONT color="green">514</FONT> boolean hasThisArgument = false;<a name="line.514"></a> |
| <FONT color="green">515</FONT> <a name="line.515"></a> |
| <FONT color="green">516</FONT> if (nArgs == 0)<a name="line.516"></a> |
| <FONT color="green">517</FONT> _isStatic = true;<a name="line.517"></a> |
| <FONT color="green">518</FONT> <a name="line.518"></a> |
| <FONT color="green">519</FONT> if (!_isStatic) {<a name="line.519"></a> |
| <FONT color="green">520</FONT> if (_namespace_format == NAMESPACE_FORMAT_JAVA<a name="line.520"></a> |
| <FONT color="green">521</FONT> || _namespace_format == NAMESPACE_FORMAT_PACKAGE)<a name="line.521"></a> |
| <FONT color="green">522</FONT> hasThisArgument = true;<a name="line.522"></a> |
| <FONT color="green">523</FONT> <a name="line.523"></a> |
| <FONT color="green">524</FONT> Expression firstArg = (Expression)_arguments.elementAt(0);<a name="line.524"></a> |
| <FONT color="green">525</FONT> Type firstArgType = (Type)firstArg.typeCheck(stable);<a name="line.525"></a> |
| <FONT color="green">526</FONT> <a name="line.526"></a> |
| <FONT color="green">527</FONT> if (_namespace_format == NAMESPACE_FORMAT_CLASS<a name="line.527"></a> |
| <FONT color="green">528</FONT> && firstArgType instanceof ObjectType<a name="line.528"></a> |
| <FONT color="green">529</FONT> && _clazz != null<a name="line.529"></a> |
| <FONT color="green">530</FONT> && _clazz.isAssignableFrom(((ObjectType)firstArgType).getJavaClass()))<a name="line.530"></a> |
| <FONT color="green">531</FONT> hasThisArgument = true;<a name="line.531"></a> |
| <FONT color="green">532</FONT> <a name="line.532"></a> |
| <FONT color="green">533</FONT> if (hasThisArgument) {<a name="line.533"></a> |
| <FONT color="green">534</FONT> _thisArgument = (Expression) _arguments.elementAt(0);<a name="line.534"></a> |
| <FONT color="green">535</FONT> _arguments.remove(0); nArgs--;<a name="line.535"></a> |
| <FONT color="green">536</FONT> if (firstArgType instanceof ObjectType) {<a name="line.536"></a> |
| <FONT color="green">537</FONT> _className = ((ObjectType) firstArgType).getJavaClassName();<a name="line.537"></a> |
| <FONT color="green">538</FONT> }<a name="line.538"></a> |
| <FONT color="green">539</FONT> else<a name="line.539"></a> |
| <FONT color="green">540</FONT> throw new TypeCheckError(ErrorMsg.NO_JAVA_FUNCT_THIS_REF, name); <a name="line.540"></a> |
| <FONT color="green">541</FONT> }<a name="line.541"></a> |
| <FONT color="green">542</FONT> }<a name="line.542"></a> |
| <FONT color="green">543</FONT> else if (_className.length() == 0) {<a name="line.543"></a> |
| <FONT color="green">544</FONT> /*<a name="line.544"></a> |
| <FONT color="green">545</FONT> * Warn user if external function could not be resolved.<a name="line.545"></a> |
| <FONT color="green">546</FONT> * Warning will _NOT_ be issued is the call is properly<a name="line.546"></a> |
| <FONT color="green">547</FONT> * wrapped in an <xsl:if> or <xsl:when> element. For details<a name="line.547"></a> |
| <FONT color="green">548</FONT> * see If.parserContents() and When.parserContents()<a name="line.548"></a> |
| <FONT color="green">549</FONT> */<a name="line.549"></a> |
| <FONT color="green">550</FONT> final Parser parser = getParser();<a name="line.550"></a> |
| <FONT color="green">551</FONT> if (parser != null) {<a name="line.551"></a> |
| <FONT color="green">552</FONT> reportWarning(this, parser, ErrorMsg.FUNCTION_RESOLVE_ERR,<a name="line.552"></a> |
| <FONT color="green">553</FONT> _fname.toString());<a name="line.553"></a> |
| <FONT color="green">554</FONT> }<a name="line.554"></a> |
| <FONT color="green">555</FONT> unresolvedExternal = true;<a name="line.555"></a> |
| <FONT color="green">556</FONT> return _type = Type.Int; // use "Int" as "unknown"<a name="line.556"></a> |
| <FONT color="green">557</FONT> }<a name="line.557"></a> |
| <FONT color="green">558</FONT> }<a name="line.558"></a> |
| <FONT color="green">559</FONT> <a name="line.559"></a> |
| <FONT color="green">560</FONT> final Vector methods = findMethods();<a name="line.560"></a> |
| <FONT color="green">561</FONT> <a name="line.561"></a> |
| <FONT color="green">562</FONT> if (methods == null) {<a name="line.562"></a> |
| <FONT color="green">563</FONT> // Method not found in this class<a name="line.563"></a> |
| <FONT color="green">564</FONT> throw new TypeCheckError(ErrorMsg.METHOD_NOT_FOUND_ERR, _className + "." + name);<a name="line.564"></a> |
| <FONT color="green">565</FONT> }<a name="line.565"></a> |
| <FONT color="green">566</FONT> <a name="line.566"></a> |
| <FONT color="green">567</FONT> Class extType = null;<a name="line.567"></a> |
| <FONT color="green">568</FONT> final int nMethods = methods.size();<a name="line.568"></a> |
| <FONT color="green">569</FONT> final Vector argsType = typeCheckArgs(stable);<a name="line.569"></a> |
| <FONT color="green">570</FONT> <a name="line.570"></a> |
| <FONT color="green">571</FONT> // Try all methods to identify the best fit <a name="line.571"></a> |
| <FONT color="green">572</FONT> int bestMethodDistance = Integer.MAX_VALUE;<a name="line.572"></a> |
| <FONT color="green">573</FONT> _type = null; // reset internal type <a name="line.573"></a> |
| <FONT color="green">574</FONT> for (int j, i = 0; i < nMethods; i++) {<a name="line.574"></a> |
| <FONT color="green">575</FONT> // Check if all paramteters to this method can be converted<a name="line.575"></a> |
| <FONT color="green">576</FONT> final Method method = (Method)methods.elementAt(i);<a name="line.576"></a> |
| <FONT color="green">577</FONT> final Class[] paramTypes = method.getParameterTypes();<a name="line.577"></a> |
| <FONT color="green">578</FONT> <a name="line.578"></a> |
| <FONT color="green">579</FONT> int currMethodDistance = 0;<a name="line.579"></a> |
| <FONT color="green">580</FONT> for (j = 0; j < nArgs; j++) {<a name="line.580"></a> |
| <FONT color="green">581</FONT> // Convert from internal (translet) type to external (Java) type<a name="line.581"></a> |
| <FONT color="green">582</FONT> extType = paramTypes[j];<a name="line.582"></a> |
| <FONT color="green">583</FONT> final Type intType = (Type)argsType.elementAt(j);<a name="line.583"></a> |
| <FONT color="green">584</FONT> Object match = _internal2Java.maps(intType, extType);<a name="line.584"></a> |
| <FONT color="green">585</FONT> if (match != null) {<a name="line.585"></a> |
| <FONT color="green">586</FONT> currMethodDistance += ((JavaType)match).distance; <a name="line.586"></a> |
| <FONT color="green">587</FONT> }<a name="line.587"></a> |
| <FONT color="green">588</FONT> else {<a name="line.588"></a> |
| <FONT color="green">589</FONT> // no mapping available<a name="line.589"></a> |
| <FONT color="green">590</FONT> //<a name="line.590"></a> |
| <FONT color="green">591</FONT> // Allow a Reference type to match any external (Java) type at<a name="line.591"></a> |
| <FONT color="green">592</FONT> // the moment. The real type checking is performed at runtime.<a name="line.592"></a> |
| <FONT color="green">593</FONT> if (intType instanceof ReferenceType) {<a name="line.593"></a> |
| <FONT color="green">594</FONT> currMethodDistance += 1; <a name="line.594"></a> |
| <FONT color="green">595</FONT> }<a name="line.595"></a> |
| <FONT color="green">596</FONT> else if (intType instanceof ObjectType) {<a name="line.596"></a> |
| <FONT color="green">597</FONT> ObjectType object = (ObjectType)intType;<a name="line.597"></a> |
| <FONT color="green">598</FONT> if (extType.getName().equals(object.getJavaClassName()))<a name="line.598"></a> |
| <FONT color="green">599</FONT> currMethodDistance += 0;<a name="line.599"></a> |
| <FONT color="green">600</FONT> else if (extType.isAssignableFrom(object.getJavaClass()))<a name="line.600"></a> |
| <FONT color="green">601</FONT> currMethodDistance += 1;<a name="line.601"></a> |
| <FONT color="green">602</FONT> else {<a name="line.602"></a> |
| <FONT color="green">603</FONT> currMethodDistance = Integer.MAX_VALUE;<a name="line.603"></a> |
| <FONT color="green">604</FONT> break;<a name="line.604"></a> |
| <FONT color="green">605</FONT> }<a name="line.605"></a> |
| <FONT color="green">606</FONT> }<a name="line.606"></a> |
| <FONT color="green">607</FONT> else {<a name="line.607"></a> |
| <FONT color="green">608</FONT> currMethodDistance = Integer.MAX_VALUE;<a name="line.608"></a> |
| <FONT color="green">609</FONT> break;<a name="line.609"></a> |
| <FONT color="green">610</FONT> }<a name="line.610"></a> |
| <FONT color="green">611</FONT> }<a name="line.611"></a> |
| <FONT color="green">612</FONT> }<a name="line.612"></a> |
| <FONT color="green">613</FONT> <a name="line.613"></a> |
| <FONT color="green">614</FONT> if (j == nArgs) {<a name="line.614"></a> |
| <FONT color="green">615</FONT> // Check if the return type can be converted<a name="line.615"></a> |
| <FONT color="green">616</FONT> extType = method.getReturnType();<a name="line.616"></a> |
| <FONT color="green">617</FONT> <a name="line.617"></a> |
| <FONT color="green">618</FONT> _type = (Type) _java2Internal.get(extType);<a name="line.618"></a> |
| <FONT color="green">619</FONT> if (_type == null) {<a name="line.619"></a> |
| <FONT color="green">620</FONT> _type = Type.newObjectType(extType);<a name="line.620"></a> |
| <FONT color="green">621</FONT> } <a name="line.621"></a> |
| <FONT color="green">622</FONT> <a name="line.622"></a> |
| <FONT color="green">623</FONT> // Use this method if all parameters & return type match<a name="line.623"></a> |
| <FONT color="green">624</FONT> if (_type != null && currMethodDistance < bestMethodDistance) {<a name="line.624"></a> |
| <FONT color="green">625</FONT> _chosenMethod = method;<a name="line.625"></a> |
| <FONT color="green">626</FONT> bestMethodDistance = currMethodDistance;<a name="line.626"></a> |
| <FONT color="green">627</FONT> }<a name="line.627"></a> |
| <FONT color="green">628</FONT> }<a name="line.628"></a> |
| <FONT color="green">629</FONT> }<a name="line.629"></a> |
| <FONT color="green">630</FONT> <a name="line.630"></a> |
| <FONT color="green">631</FONT> // It is an error if the chosen method is an instance menthod but we don't<a name="line.631"></a> |
| <FONT color="green">632</FONT> // have a this argument.<a name="line.632"></a> |
| <FONT color="green">633</FONT> if (_chosenMethod != null && _thisArgument == null &&<a name="line.633"></a> |
| <FONT color="green">634</FONT> !Modifier.isStatic(_chosenMethod.getModifiers())) {<a name="line.634"></a> |
| <FONT color="green">635</FONT> throw new TypeCheckError(ErrorMsg.NO_JAVA_FUNCT_THIS_REF, getMethodSignature(argsType));<a name="line.635"></a> |
| <FONT color="green">636</FONT> }<a name="line.636"></a> |
| <FONT color="green">637</FONT> <a name="line.637"></a> |
| <FONT color="green">638</FONT> if (_type != null) {<a name="line.638"></a> |
| <FONT color="green">639</FONT> if (_type == Type.NodeSet) {<a name="line.639"></a> |
| <FONT color="green">640</FONT> getXSLTC().setMultiDocument(true);<a name="line.640"></a> |
| <FONT color="green">641</FONT> }<a name="line.641"></a> |
| <FONT color="green">642</FONT> return _type;<a name="line.642"></a> |
| <FONT color="green">643</FONT> }<a name="line.643"></a> |
| <FONT color="green">644</FONT> <a name="line.644"></a> |
| <FONT color="green">645</FONT> throw new TypeCheckError(ErrorMsg.ARGUMENT_CONVERSION_ERR, getMethodSignature(argsType));<a name="line.645"></a> |
| <FONT color="green">646</FONT> }<a name="line.646"></a> |
| <FONT color="green">647</FONT> <a name="line.647"></a> |
| <FONT color="green">648</FONT> /**<a name="line.648"></a> |
| <FONT color="green">649</FONT> * Type check the actual arguments of this function call.<a name="line.649"></a> |
| <FONT color="green">650</FONT> */<a name="line.650"></a> |
| <FONT color="green">651</FONT> public Vector typeCheckArgs(SymbolTable stable) throws TypeCheckError {<a name="line.651"></a> |
| <FONT color="green">652</FONT> final Vector result = new Vector();<a name="line.652"></a> |
| <FONT color="green">653</FONT> final Enumeration e = _arguments.elements(); <a name="line.653"></a> |
| <FONT color="green">654</FONT> while (e.hasMoreElements()) {<a name="line.654"></a> |
| <FONT color="green">655</FONT> final Expression exp = (Expression)e.nextElement();<a name="line.655"></a> |
| <FONT color="green">656</FONT> result.addElement(exp.typeCheck(stable));<a name="line.656"></a> |
| <FONT color="green">657</FONT> }<a name="line.657"></a> |
| <FONT color="green">658</FONT> return result;<a name="line.658"></a> |
| <FONT color="green">659</FONT> }<a name="line.659"></a> |
| <FONT color="green">660</FONT> <a name="line.660"></a> |
| <FONT color="green">661</FONT> protected final Expression argument(int i) {<a name="line.661"></a> |
| <FONT color="green">662</FONT> return (Expression)_arguments.elementAt(i);<a name="line.662"></a> |
| <FONT color="green">663</FONT> }<a name="line.663"></a> |
| <FONT color="green">664</FONT> <a name="line.664"></a> |
| <FONT color="green">665</FONT> protected final Expression argument() {<a name="line.665"></a> |
| <FONT color="green">666</FONT> return argument(0);<a name="line.666"></a> |
| <FONT color="green">667</FONT> }<a name="line.667"></a> |
| <FONT color="green">668</FONT> <a name="line.668"></a> |
| <FONT color="green">669</FONT> protected final int argumentCount() {<a name="line.669"></a> |
| <FONT color="green">670</FONT> return _arguments.size();<a name="line.670"></a> |
| <FONT color="green">671</FONT> }<a name="line.671"></a> |
| <FONT color="green">672</FONT> <a name="line.672"></a> |
| <FONT color="green">673</FONT> protected final void setArgument(int i, Expression exp) {<a name="line.673"></a> |
| <FONT color="green">674</FONT> _arguments.setElementAt(exp, i);<a name="line.674"></a> |
| <FONT color="green">675</FONT> }<a name="line.675"></a> |
| <FONT color="green">676</FONT> <a name="line.676"></a> |
| <FONT color="green">677</FONT> /**<a name="line.677"></a> |
| <FONT color="green">678</FONT> * Compile the function call and treat as an expression<a name="line.678"></a> |
| <FONT color="green">679</FONT> * Update true/false-lists.<a name="line.679"></a> |
| <FONT color="green">680</FONT> */<a name="line.680"></a> |
| <FONT color="green">681</FONT> public void translateDesynthesized(ClassGenerator classGen,<a name="line.681"></a> |
| <FONT color="green">682</FONT> MethodGenerator methodGen) <a name="line.682"></a> |
| <FONT color="green">683</FONT> {<a name="line.683"></a> |
| <FONT color="green">684</FONT> Type type = Type.Boolean;<a name="line.684"></a> |
| <FONT color="green">685</FONT> if (_chosenMethodType != null)<a name="line.685"></a> |
| <FONT color="green">686</FONT> type = _chosenMethodType.resultType();<a name="line.686"></a> |
| <FONT color="green">687</FONT> <a name="line.687"></a> |
| <FONT color="green">688</FONT> final InstructionList il = methodGen.getInstructionList();<a name="line.688"></a> |
| <FONT color="green">689</FONT> translate(classGen, methodGen);<a name="line.689"></a> |
| <FONT color="green">690</FONT> <a name="line.690"></a> |
| <FONT color="green">691</FONT> if ((type instanceof BooleanType) || (type instanceof IntType)) {<a name="line.691"></a> |
| <FONT color="green">692</FONT> _falseList.add(il.append(new IFEQ(null)));<a name="line.692"></a> |
| <FONT color="green">693</FONT> }<a name="line.693"></a> |
| <FONT color="green">694</FONT> }<a name="line.694"></a> |
| <FONT color="green">695</FONT> <a name="line.695"></a> |
| <FONT color="green">696</FONT> <a name="line.696"></a> |
| <FONT color="green">697</FONT> /**<a name="line.697"></a> |
| <FONT color="green">698</FONT> * Translate a function call. The compiled code will leave the function's<a name="line.698"></a> |
| <FONT color="green">699</FONT> * return value on the JVM's stack.<a name="line.699"></a> |
| <FONT color="green">700</FONT> */<a name="line.700"></a> |
| <FONT color="green">701</FONT> public void translate(ClassGenerator classGen, MethodGenerator methodGen) {<a name="line.701"></a> |
| <FONT color="green">702</FONT> final int n = argumentCount();<a name="line.702"></a> |
| <FONT color="green">703</FONT> final ConstantPoolGen cpg = classGen.getConstantPool();<a name="line.703"></a> |
| <FONT color="green">704</FONT> final InstructionList il = methodGen.getInstructionList();<a name="line.704"></a> |
| <FONT color="green">705</FONT> final boolean isSecureProcessing = classGen.getParser().getXSLTC().isSecureProcessing();<a name="line.705"></a> |
| <FONT color="green">706</FONT> int index;<a name="line.706"></a> |
| <FONT color="green">707</FONT> <a name="line.707"></a> |
| <FONT color="green">708</FONT> // Translate calls to methods in the BasisLibrary<a name="line.708"></a> |
| <FONT color="green">709</FONT> if (isStandard() || isExtension()) {<a name="line.709"></a> |
| <FONT color="green">710</FONT> for (int i = 0; i < n; i++) {<a name="line.710"></a> |
| <FONT color="green">711</FONT> final Expression exp = argument(i);<a name="line.711"></a> |
| <FONT color="green">712</FONT> exp.translate(classGen, methodGen);<a name="line.712"></a> |
| <FONT color="green">713</FONT> exp.startIterator(classGen, methodGen);<a name="line.713"></a> |
| <FONT color="green">714</FONT> }<a name="line.714"></a> |
| <FONT color="green">715</FONT> <a name="line.715"></a> |
| <FONT color="green">716</FONT> // append "F" to the function's name<a name="line.716"></a> |
| <FONT color="green">717</FONT> final String name = _fname.toString().replace('-', '_') + "F";<a name="line.717"></a> |
| <FONT color="green">718</FONT> String args = Constants.EMPTYSTRING;<a name="line.718"></a> |
| <FONT color="green">719</FONT> <a name="line.719"></a> |
| <FONT color="green">720</FONT> // Special precautions for some method calls<a name="line.720"></a> |
| <FONT color="green">721</FONT> if (name.equals("sumF")) {<a name="line.721"></a> |
| <FONT color="green">722</FONT> args = DOM_INTF_SIG;<a name="line.722"></a> |
| <FONT color="green">723</FONT> il.append(methodGen.loadDOM());<a name="line.723"></a> |
| <FONT color="green">724</FONT> }<a name="line.724"></a> |
| <FONT color="green">725</FONT> else if (name.equals("normalize_spaceF")) {<a name="line.725"></a> |
| <FONT color="green">726</FONT> if (_chosenMethodType.toSignature(args).<a name="line.726"></a> |
| <FONT color="green">727</FONT> equals("()Ljava/lang/String;")) {<a name="line.727"></a> |
| <FONT color="green">728</FONT> args = "I"+DOM_INTF_SIG;<a name="line.728"></a> |
| <FONT color="green">729</FONT> il.append(methodGen.loadContextNode());<a name="line.729"></a> |
| <FONT color="green">730</FONT> il.append(methodGen.loadDOM());<a name="line.730"></a> |
| <FONT color="green">731</FONT> }<a name="line.731"></a> |
| <FONT color="green">732</FONT> }<a name="line.732"></a> |
| <FONT color="green">733</FONT> <a name="line.733"></a> |
| <FONT color="green">734</FONT> // Invoke the method in the basis library<a name="line.734"></a> |
| <FONT color="green">735</FONT> index = cpg.addMethodref(BASIS_LIBRARY_CLASS, name,<a name="line.735"></a> |
| <FONT color="green">736</FONT> _chosenMethodType.toSignature(args));<a name="line.736"></a> |
| <FONT color="green">737</FONT> il.append(new INVOKESTATIC(index));<a name="line.737"></a> |
| <FONT color="green">738</FONT> }<a name="line.738"></a> |
| <FONT color="green">739</FONT> // Add call to BasisLibrary.unresolved_externalF() to generate<a name="line.739"></a> |
| <FONT color="green">740</FONT> // run-time error message for unsupported external functions<a name="line.740"></a> |
| <FONT color="green">741</FONT> else if (unresolvedExternal) {<a name="line.741"></a> |
| <FONT color="green">742</FONT> index = cpg.addMethodref(BASIS_LIBRARY_CLASS,<a name="line.742"></a> |
| <FONT color="green">743</FONT> "unresolved_externalF",<a name="line.743"></a> |
| <FONT color="green">744</FONT> "(Ljava/lang/String;)V");<a name="line.744"></a> |
| <FONT color="green">745</FONT> il.append(new PUSH(cpg, _fname.toString()));<a name="line.745"></a> |
| <FONT color="green">746</FONT> il.append(new INVOKESTATIC(index));<a name="line.746"></a> |
| <FONT color="green">747</FONT> }<a name="line.747"></a> |
| <FONT color="green">748</FONT> else if (_isExtConstructor) {<a name="line.748"></a> |
| <FONT color="green">749</FONT> if (isSecureProcessing)<a name="line.749"></a> |
| <FONT color="green">750</FONT> translateUnallowedExtension(cpg, il);<a name="line.750"></a> |
| <FONT color="green">751</FONT> <a name="line.751"></a> |
| <FONT color="green">752</FONT> final String clazz = <a name="line.752"></a> |
| <FONT color="green">753</FONT> _chosenConstructor.getDeclaringClass().getName();<a name="line.753"></a> |
| <FONT color="green">754</FONT> Class[] paramTypes = _chosenConstructor.getParameterTypes();<a name="line.754"></a> |
| <FONT color="green">755</FONT> LocalVariableGen[] paramTemp = new LocalVariableGen[n];<a name="line.755"></a> |
| <FONT color="green">756</FONT> <a name="line.756"></a> |
| <FONT color="green">757</FONT> // Backwards branches are prohibited if an uninitialized object is<a name="line.757"></a> |
| <FONT color="green">758</FONT> // on the stack by section 4.9.4 of the JVM Specification, 2nd Ed.<a name="line.758"></a> |
| <FONT color="green">759</FONT> // We don't know whether this code might contain backwards branches<a name="line.759"></a> |
| <FONT color="green">760</FONT> // so we mustn't create the new object until after we've created<a name="line.760"></a> |
| <FONT color="green">761</FONT> // the suspect arguments to its constructor. Instead we calculate<a name="line.761"></a> |
| <FONT color="green">762</FONT> // the values of the arguments to the constructor first, store them<a name="line.762"></a> |
| <FONT color="green">763</FONT> // in temporary variables, create the object and reload the<a name="line.763"></a> |
| <FONT color="green">764</FONT> // arguments from the temporaries to avoid the problem.<a name="line.764"></a> |
| <FONT color="green">765</FONT> <a name="line.765"></a> |
| <FONT color="green">766</FONT> for (int i = 0; i < n; i++) {<a name="line.766"></a> |
| <FONT color="green">767</FONT> final Expression exp = argument(i);<a name="line.767"></a> |
| <FONT color="green">768</FONT> Type expType = exp.getType();<a name="line.768"></a> |
| <FONT color="green">769</FONT> exp.translate(classGen, methodGen);<a name="line.769"></a> |
| <FONT color="green">770</FONT> // Convert the argument to its Java type<a name="line.770"></a> |
| <FONT color="green">771</FONT> exp.startIterator(classGen, methodGen);<a name="line.771"></a> |
| <FONT color="green">772</FONT> expType.translateTo(classGen, methodGen, paramTypes[i]);<a name="line.772"></a> |
| <FONT color="green">773</FONT> paramTemp[i] =<a name="line.773"></a> |
| <FONT color="green">774</FONT> methodGen.addLocalVariable("function_call_tmp"+i,<a name="line.774"></a> |
| <FONT color="green">775</FONT> expType.toJCType(),<a name="line.775"></a> |
| <FONT color="green">776</FONT> null, null);<a name="line.776"></a> |
| <FONT color="green">777</FONT> paramTemp[i].setStart(<a name="line.777"></a> |
| <FONT color="green">778</FONT> il.append(expType.STORE(paramTemp[i].getIndex())));<a name="line.778"></a> |
| <FONT color="green">779</FONT> }<a name="line.779"></a> |
| <FONT color="green">780</FONT> <a name="line.780"></a> |
| <FONT color="green">781</FONT> il.append(new NEW(cpg.addClass(_className)));<a name="line.781"></a> |
| <FONT color="green">782</FONT> il.append(InstructionConstants.DUP);<a name="line.782"></a> |
| <FONT color="green">783</FONT> <a name="line.783"></a> |
| <FONT color="green">784</FONT> for (int i = 0; i < n; i++) {<a name="line.784"></a> |
| <FONT color="green">785</FONT> final Expression arg = argument(i);<a name="line.785"></a> |
| <FONT color="green">786</FONT> paramTemp[i].setEnd(<a name="line.786"></a> |
| <FONT color="green">787</FONT> il.append(arg.getType().LOAD(paramTemp[i].getIndex())));<a name="line.787"></a> |
| <FONT color="green">788</FONT> }<a name="line.788"></a> |
| <FONT color="green">789</FONT> <a name="line.789"></a> |
| <FONT color="green">790</FONT> final StringBuffer buffer = new StringBuffer();<a name="line.790"></a> |
| <FONT color="green">791</FONT> buffer.append('(');<a name="line.791"></a> |
| <FONT color="green">792</FONT> for (int i = 0; i < paramTypes.length; i++) {<a name="line.792"></a> |
| <FONT color="green">793</FONT> buffer.append(getSignature(paramTypes[i]));<a name="line.793"></a> |
| <FONT color="green">794</FONT> }<a name="line.794"></a> |
| <FONT color="green">795</FONT> buffer.append(')');<a name="line.795"></a> |
| <FONT color="green">796</FONT> buffer.append("V");<a name="line.796"></a> |
| <FONT color="green">797</FONT> <a name="line.797"></a> |
| <FONT color="green">798</FONT> index = cpg.addMethodref(clazz,<a name="line.798"></a> |
| <FONT color="green">799</FONT> "<init>", <a name="line.799"></a> |
| <FONT color="green">800</FONT> buffer.toString());<a name="line.800"></a> |
| <FONT color="green">801</FONT> il.append(new INVOKESPECIAL(index));<a name="line.801"></a> |
| <FONT color="green">802</FONT> <a name="line.802"></a> |
| <FONT color="green">803</FONT> // Convert the return type back to our internal type<a name="line.803"></a> |
| <FONT color="green">804</FONT> (Type.Object).translateFrom(classGen, methodGen, <a name="line.804"></a> |
| <FONT color="green">805</FONT> _chosenConstructor.getDeclaringClass());<a name="line.805"></a> |
| <FONT color="green">806</FONT> <a name="line.806"></a> |
| <FONT color="green">807</FONT> }<a name="line.807"></a> |
| <FONT color="green">808</FONT> // Invoke function calls that are handled in separate classes<a name="line.808"></a> |
| <FONT color="green">809</FONT> else {<a name="line.809"></a> |
| <FONT color="green">810</FONT> if (isSecureProcessing)<a name="line.810"></a> |
| <FONT color="green">811</FONT> translateUnallowedExtension(cpg, il);<a name="line.811"></a> |
| <FONT color="green">812</FONT> <a name="line.812"></a> |
| <FONT color="green">813</FONT> final String clazz = _chosenMethod.getDeclaringClass().getName();<a name="line.813"></a> |
| <FONT color="green">814</FONT> Class[] paramTypes = _chosenMethod.getParameterTypes();<a name="line.814"></a> |
| <FONT color="green">815</FONT> <a name="line.815"></a> |
| <FONT color="green">816</FONT> // Push "this" if it is an instance method<a name="line.816"></a> |
| <FONT color="green">817</FONT> if (_thisArgument != null) {<a name="line.817"></a> |
| <FONT color="green">818</FONT> _thisArgument.translate(classGen, methodGen);<a name="line.818"></a> |
| <FONT color="green">819</FONT> } <a name="line.819"></a> |
| <FONT color="green">820</FONT> <a name="line.820"></a> |
| <FONT color="green">821</FONT> for (int i = 0; i < n; i++) {<a name="line.821"></a> |
| <FONT color="green">822</FONT> final Expression exp = argument(i);<a name="line.822"></a> |
| <FONT color="green">823</FONT> exp.translate(classGen, methodGen);<a name="line.823"></a> |
| <FONT color="green">824</FONT> // Convert the argument to its Java type<a name="line.824"></a> |
| <FONT color="green">825</FONT> exp.startIterator(classGen, methodGen);<a name="line.825"></a> |
| <FONT color="green">826</FONT> exp.getType().translateTo(classGen, methodGen, paramTypes[i]);<a name="line.826"></a> |
| <FONT color="green">827</FONT> }<a name="line.827"></a> |
| <FONT color="green">828</FONT> <a name="line.828"></a> |
| <FONT color="green">829</FONT> final StringBuffer buffer = new StringBuffer();<a name="line.829"></a> |
| <FONT color="green">830</FONT> buffer.append('(');<a name="line.830"></a> |
| <FONT color="green">831</FONT> for (int i = 0; i < paramTypes.length; i++) {<a name="line.831"></a> |
| <FONT color="green">832</FONT> buffer.append(getSignature(paramTypes[i]));<a name="line.832"></a> |
| <FONT color="green">833</FONT> }<a name="line.833"></a> |
| <FONT color="green">834</FONT> buffer.append(')');<a name="line.834"></a> |
| <FONT color="green">835</FONT> buffer.append(getSignature(_chosenMethod.getReturnType()));<a name="line.835"></a> |
| <FONT color="green">836</FONT> <a name="line.836"></a> |
| <FONT color="green">837</FONT> if (_thisArgument != null && _clazz.isInterface()) {<a name="line.837"></a> |
| <FONT color="green">838</FONT> index = cpg.addInterfaceMethodref(clazz,<a name="line.838"></a> |
| <FONT color="green">839</FONT> _fname.getLocalPart(),<a name="line.839"></a> |
| <FONT color="green">840</FONT> buffer.toString());<a name="line.840"></a> |
| <FONT color="green">841</FONT> il.append(new INVOKEINTERFACE(index, n+1));<a name="line.841"></a> |
| <FONT color="green">842</FONT> }<a name="line.842"></a> |
| <FONT color="green">843</FONT> else {<a name="line.843"></a> |
| <FONT color="green">844</FONT> index = cpg.addMethodref(clazz,<a name="line.844"></a> |
| <FONT color="green">845</FONT> _fname.getLocalPart(),<a name="line.845"></a> |
| <FONT color="green">846</FONT> buffer.toString());<a name="line.846"></a> |
| <FONT color="green">847</FONT> il.append(_thisArgument != null ? (InvokeInstruction) new INVOKEVIRTUAL(index) :<a name="line.847"></a> |
| <FONT color="green">848</FONT> (InvokeInstruction) new INVOKESTATIC(index));<a name="line.848"></a> |
| <FONT color="green">849</FONT> }<a name="line.849"></a> |
| <FONT color="green">850</FONT> <a name="line.850"></a> |
| <FONT color="green">851</FONT> // Convert the return type back to our internal type<a name="line.851"></a> |
| <FONT color="green">852</FONT> _type.translateFrom(classGen, methodGen,<a name="line.852"></a> |
| <FONT color="green">853</FONT> _chosenMethod.getReturnType());<a name="line.853"></a> |
| <FONT color="green">854</FONT> }<a name="line.854"></a> |
| <FONT color="green">855</FONT> }<a name="line.855"></a> |
| <FONT color="green">856</FONT> <a name="line.856"></a> |
| <FONT color="green">857</FONT> public String toString() {<a name="line.857"></a> |
| <FONT color="green">858</FONT> return "funcall(" + _fname + ", " + _arguments + ')';<a name="line.858"></a> |
| <FONT color="green">859</FONT> }<a name="line.859"></a> |
| <FONT color="green">860</FONT> <a name="line.860"></a> |
| <FONT color="green">861</FONT> public boolean isStandard() {<a name="line.861"></a> |
| <FONT color="green">862</FONT> final String namespace = _fname.getNamespace();<a name="line.862"></a> |
| <FONT color="green">863</FONT> return (namespace == null) || (namespace.equals(Constants.EMPTYSTRING));<a name="line.863"></a> |
| <FONT color="green">864</FONT> }<a name="line.864"></a> |
| <FONT color="green">865</FONT> <a name="line.865"></a> |
| <FONT color="green">866</FONT> public boolean isExtension() {<a name="line.866"></a> |
| <FONT color="green">867</FONT> final String namespace = _fname.getNamespace();<a name="line.867"></a> |
| <FONT color="green">868</FONT> return (namespace != null) && (namespace.equals(EXT_XSLTC));<a name="line.868"></a> |
| <FONT color="green">869</FONT> }<a name="line.869"></a> |
| <FONT color="green">870</FONT> <a name="line.870"></a> |
| <FONT color="green">871</FONT> /**<a name="line.871"></a> |
| <FONT color="green">872</FONT> * Returns a vector with all methods named <code>_fname</code><a name="line.872"></a> |
| <FONT color="green">873</FONT> * after stripping its namespace or <code>null</code><a name="line.873"></a> |
| <FONT color="green">874</FONT> * if no such methods exist.<a name="line.874"></a> |
| <FONT color="green">875</FONT> */<a name="line.875"></a> |
| <FONT color="green">876</FONT> private Vector findMethods() {<a name="line.876"></a> |
| <FONT color="green">877</FONT> <a name="line.877"></a> |
| <FONT color="green">878</FONT> Vector result = null;<a name="line.878"></a> |
| <FONT color="green">879</FONT> final String namespace = _fname.getNamespace();<a name="line.879"></a> |
| <FONT color="green">880</FONT> <a name="line.880"></a> |
| <FONT color="green">881</FONT> if (_className != null && _className.length() > 0) {<a name="line.881"></a> |
| <FONT color="green">882</FONT> final int nArgs = _arguments.size();<a name="line.882"></a> |
| <FONT color="green">883</FONT> try {<a name="line.883"></a> |
| <FONT color="green">884</FONT> if (_clazz == null) {<a name="line.884"></a> |
| <FONT color="green">885</FONT> _clazz = ObjectFactory.findProviderClass(<a name="line.885"></a> |
| <FONT color="green">886</FONT> _className, ObjectFactory.findClassLoader(), true);<a name="line.886"></a> |
| <FONT color="green">887</FONT> <a name="line.887"></a> |
| <FONT color="green">888</FONT> if (_clazz == null) {<a name="line.888"></a> |
| <FONT color="green">889</FONT> final ErrorMsg msg =<a name="line.889"></a> |
| <FONT color="green">890</FONT> new ErrorMsg(ErrorMsg.CLASS_NOT_FOUND_ERR, _className);<a name="line.890"></a> |
| <FONT color="green">891</FONT> getParser().reportError(Constants.ERROR, msg);<a name="line.891"></a> |
| <FONT color="green">892</FONT> }<a name="line.892"></a> |
| <FONT color="green">893</FONT> }<a name="line.893"></a> |
| <FONT color="green">894</FONT> <a name="line.894"></a> |
| <FONT color="green">895</FONT> final String methodName = _fname.getLocalPart();<a name="line.895"></a> |
| <FONT color="green">896</FONT> final Method[] methods = _clazz.getMethods();<a name="line.896"></a> |
| <FONT color="green">897</FONT> <a name="line.897"></a> |
| <FONT color="green">898</FONT> for (int i = 0; i < methods.length; i++) {<a name="line.898"></a> |
| <FONT color="green">899</FONT> final int mods = methods[i].getModifiers();<a name="line.899"></a> |
| <FONT color="green">900</FONT> // Is it public and same number of args ?<a name="line.900"></a> |
| <FONT color="green">901</FONT> if (Modifier.isPublic(mods)<a name="line.901"></a> |
| <FONT color="green">902</FONT> && methods[i].getName().equals(methodName)<a name="line.902"></a> |
| <FONT color="green">903</FONT> && methods[i].getParameterTypes().length == nArgs)<a name="line.903"></a> |
| <FONT color="green">904</FONT> {<a name="line.904"></a> |
| <FONT color="green">905</FONT> if (result == null) {<a name="line.905"></a> |
| <FONT color="green">906</FONT> result = new Vector();<a name="line.906"></a> |
| <FONT color="green">907</FONT> }<a name="line.907"></a> |
| <FONT color="green">908</FONT> result.addElement(methods[i]);<a name="line.908"></a> |
| <FONT color="green">909</FONT> }<a name="line.909"></a> |
| <FONT color="green">910</FONT> }<a name="line.910"></a> |
| <FONT color="green">911</FONT> }<a name="line.911"></a> |
| <FONT color="green">912</FONT> catch (ClassNotFoundException e) {<a name="line.912"></a> |
| <FONT color="green">913</FONT> final ErrorMsg msg = new ErrorMsg(ErrorMsg.CLASS_NOT_FOUND_ERR, _className);<a name="line.913"></a> |
| <FONT color="green">914</FONT> getParser().reportError(Constants.ERROR, msg);<a name="line.914"></a> |
| <FONT color="green">915</FONT> }<a name="line.915"></a> |
| <FONT color="green">916</FONT> }<a name="line.916"></a> |
| <FONT color="green">917</FONT> return result;<a name="line.917"></a> |
| <FONT color="green">918</FONT> }<a name="line.918"></a> |
| <FONT color="green">919</FONT> <a name="line.919"></a> |
| <FONT color="green">920</FONT> /**<a name="line.920"></a> |
| <FONT color="green">921</FONT> * Returns a vector with all constructors named <code>_fname</code><a name="line.921"></a> |
| <FONT color="green">922</FONT> * after stripping its namespace or <code>null</code><a name="line.922"></a> |
| <FONT color="green">923</FONT> * if no such methods exist.<a name="line.923"></a> |
| <FONT color="green">924</FONT> */<a name="line.924"></a> |
| <FONT color="green">925</FONT> private Vector findConstructors() {<a name="line.925"></a> |
| <FONT color="green">926</FONT> Vector result = null;<a name="line.926"></a> |
| <FONT color="green">927</FONT> final String namespace = _fname.getNamespace();<a name="line.927"></a> |
| <FONT color="green">928</FONT> <a name="line.928"></a> |
| <FONT color="green">929</FONT> final int nArgs = _arguments.size();<a name="line.929"></a> |
| <FONT color="green">930</FONT> try {<a name="line.930"></a> |
| <FONT color="green">931</FONT> if (_clazz == null) {<a name="line.931"></a> |
| <FONT color="green">932</FONT> _clazz = ObjectFactory.findProviderClass(<a name="line.932"></a> |
| <FONT color="green">933</FONT> _className, ObjectFactory.findClassLoader(), true);<a name="line.933"></a> |
| <FONT color="green">934</FONT> <a name="line.934"></a> |
| <FONT color="green">935</FONT> if (_clazz == null) {<a name="line.935"></a> |
| <FONT color="green">936</FONT> final ErrorMsg msg = new ErrorMsg(ErrorMsg.CLASS_NOT_FOUND_ERR, _className);<a name="line.936"></a> |
| <FONT color="green">937</FONT> getParser().reportError(Constants.ERROR, msg);<a name="line.937"></a> |
| <FONT color="green">938</FONT> } <a name="line.938"></a> |
| <FONT color="green">939</FONT> }<a name="line.939"></a> |
| <FONT color="green">940</FONT> <a name="line.940"></a> |
| <FONT color="green">941</FONT> final Constructor[] constructors = _clazz.getConstructors();<a name="line.941"></a> |
| <FONT color="green">942</FONT> <a name="line.942"></a> |
| <FONT color="green">943</FONT> for (int i = 0; i < constructors.length; i++) {<a name="line.943"></a> |
| <FONT color="green">944</FONT> final int mods = constructors[i].getModifiers();<a name="line.944"></a> |
| <FONT color="green">945</FONT> // Is it public, static and same number of args ?<a name="line.945"></a> |
| <FONT color="green">946</FONT> if (Modifier.isPublic(mods) &&<a name="line.946"></a> |
| <FONT color="green">947</FONT> constructors[i].getParameterTypes().length == nArgs)<a name="line.947"></a> |
| <FONT color="green">948</FONT> {<a name="line.948"></a> |
| <FONT color="green">949</FONT> if (result == null) {<a name="line.949"></a> |
| <FONT color="green">950</FONT> result = new Vector();<a name="line.950"></a> |
| <FONT color="green">951</FONT> }<a name="line.951"></a> |
| <FONT color="green">952</FONT> result.addElement(constructors[i]);<a name="line.952"></a> |
| <FONT color="green">953</FONT> }<a name="line.953"></a> |
| <FONT color="green">954</FONT> }<a name="line.954"></a> |
| <FONT color="green">955</FONT> }<a name="line.955"></a> |
| <FONT color="green">956</FONT> catch (ClassNotFoundException e) {<a name="line.956"></a> |
| <FONT color="green">957</FONT> final ErrorMsg msg = new ErrorMsg(ErrorMsg.CLASS_NOT_FOUND_ERR, _className);<a name="line.957"></a> |
| <FONT color="green">958</FONT> getParser().reportError(Constants.ERROR, msg);<a name="line.958"></a> |
| <FONT color="green">959</FONT> }<a name="line.959"></a> |
| <FONT color="green">960</FONT> <a name="line.960"></a> |
| <FONT color="green">961</FONT> return result;<a name="line.961"></a> |
| <FONT color="green">962</FONT> }<a name="line.962"></a> |
| <FONT color="green">963</FONT> <a name="line.963"></a> |
| <FONT color="green">964</FONT> <a name="line.964"></a> |
| <FONT color="green">965</FONT> /**<a name="line.965"></a> |
| <FONT color="green">966</FONT> * Compute the JVM signature for the class.<a name="line.966"></a> |
| <FONT color="green">967</FONT> */<a name="line.967"></a> |
| <FONT color="green">968</FONT> static final String getSignature(Class clazz) {<a name="line.968"></a> |
| <FONT color="green">969</FONT> if (clazz.isArray()) {<a name="line.969"></a> |
| <FONT color="green">970</FONT> final StringBuffer sb = new StringBuffer();<a name="line.970"></a> |
| <FONT color="green">971</FONT> Class cl = clazz;<a name="line.971"></a> |
| <FONT color="green">972</FONT> while (cl.isArray()) {<a name="line.972"></a> |
| <FONT color="green">973</FONT> sb.append("[");<a name="line.973"></a> |
| <FONT color="green">974</FONT> cl = cl.getComponentType();<a name="line.974"></a> |
| <FONT color="green">975</FONT> }<a name="line.975"></a> |
| <FONT color="green">976</FONT> sb.append(getSignature(cl));<a name="line.976"></a> |
| <FONT color="green">977</FONT> return sb.toString();<a name="line.977"></a> |
| <FONT color="green">978</FONT> }<a name="line.978"></a> |
| <FONT color="green">979</FONT> else if (clazz.isPrimitive()) {<a name="line.979"></a> |
| <FONT color="green">980</FONT> if (clazz == Integer.TYPE) {<a name="line.980"></a> |
| <FONT color="green">981</FONT> return "I";<a name="line.981"></a> |
| <FONT color="green">982</FONT> }<a name="line.982"></a> |
| <FONT color="green">983</FONT> else if (clazz == Byte.TYPE) {<a name="line.983"></a> |
| <FONT color="green">984</FONT> return "B";<a name="line.984"></a> |
| <FONT color="green">985</FONT> }<a name="line.985"></a> |
| <FONT color="green">986</FONT> else if (clazz == Long.TYPE) {<a name="line.986"></a> |
| <FONT color="green">987</FONT> return "J";<a name="line.987"></a> |
| <FONT color="green">988</FONT> }<a name="line.988"></a> |
| <FONT color="green">989</FONT> else if (clazz == Float.TYPE) {<a name="line.989"></a> |
| <FONT color="green">990</FONT> return "F";<a name="line.990"></a> |
| <FONT color="green">991</FONT> }<a name="line.991"></a> |
| <FONT color="green">992</FONT> else if (clazz == Double.TYPE) {<a name="line.992"></a> |
| <FONT color="green">993</FONT> return "D";<a name="line.993"></a> |
| <FONT color="green">994</FONT> }<a name="line.994"></a> |
| <FONT color="green">995</FONT> else if (clazz == Short.TYPE) {<a name="line.995"></a> |
| <FONT color="green">996</FONT> return "S";<a name="line.996"></a> |
| <FONT color="green">997</FONT> }<a name="line.997"></a> |
| <FONT color="green">998</FONT> else if (clazz == Character.TYPE) {<a name="line.998"></a> |
| <FONT color="green">999</FONT> return "C";<a name="line.999"></a> |
| <FONT color="green">1000</FONT> }<a name="line.1000"></a> |
| <FONT color="green">1001</FONT> else if (clazz == Boolean.TYPE) {<a name="line.1001"></a> |
| <FONT color="green">1002</FONT> return "Z";<a name="line.1002"></a> |
| <FONT color="green">1003</FONT> }<a name="line.1003"></a> |
| <FONT color="green">1004</FONT> else if (clazz == Void.TYPE) {<a name="line.1004"></a> |
| <FONT color="green">1005</FONT> return "V";<a name="line.1005"></a> |
| <FONT color="green">1006</FONT> }<a name="line.1006"></a> |
| <FONT color="green">1007</FONT> else {<a name="line.1007"></a> |
| <FONT color="green">1008</FONT> final String name = clazz.toString();<a name="line.1008"></a> |
| <FONT color="green">1009</FONT> ErrorMsg err = new ErrorMsg(ErrorMsg.UNKNOWN_SIG_TYPE_ERR,name);<a name="line.1009"></a> |
| <FONT color="green">1010</FONT> throw new Error(err.toString());<a name="line.1010"></a> |
| <FONT color="green">1011</FONT> }<a name="line.1011"></a> |
| <FONT color="green">1012</FONT> }<a name="line.1012"></a> |
| <FONT color="green">1013</FONT> else {<a name="line.1013"></a> |
| <FONT color="green">1014</FONT> return "L" + clazz.getName().replace('.', '/') + ';';<a name="line.1014"></a> |
| <FONT color="green">1015</FONT> }<a name="line.1015"></a> |
| <FONT color="green">1016</FONT> }<a name="line.1016"></a> |
| <FONT color="green">1017</FONT> <a name="line.1017"></a> |
| <FONT color="green">1018</FONT> /**<a name="line.1018"></a> |
| <FONT color="green">1019</FONT> * Compute the JVM method descriptor for the method.<a name="line.1019"></a> |
| <FONT color="green">1020</FONT> */<a name="line.1020"></a> |
| <FONT color="green">1021</FONT> static final String getSignature(Method meth) {<a name="line.1021"></a> |
| <FONT color="green">1022</FONT> final StringBuffer sb = new StringBuffer();<a name="line.1022"></a> |
| <FONT color="green">1023</FONT> sb.append('(');<a name="line.1023"></a> |
| <FONT color="green">1024</FONT> final Class[] params = meth.getParameterTypes(); // avoid clone<a name="line.1024"></a> |
| <FONT color="green">1025</FONT> for (int j = 0; j < params.length; j++) {<a name="line.1025"></a> |
| <FONT color="green">1026</FONT> sb.append(getSignature(params[j]));<a name="line.1026"></a> |
| <FONT color="green">1027</FONT> }<a name="line.1027"></a> |
| <FONT color="green">1028</FONT> return sb.append(')').append(getSignature(meth.getReturnType()))<a name="line.1028"></a> |
| <FONT color="green">1029</FONT> .toString();<a name="line.1029"></a> |
| <FONT color="green">1030</FONT> }<a name="line.1030"></a> |
| <FONT color="green">1031</FONT> <a name="line.1031"></a> |
| <FONT color="green">1032</FONT> /**<a name="line.1032"></a> |
| <FONT color="green">1033</FONT> * Compute the JVM constructor descriptor for the constructor.<a name="line.1033"></a> |
| <FONT color="green">1034</FONT> */<a name="line.1034"></a> |
| <FONT color="green">1035</FONT> static final String getSignature(Constructor cons) {<a name="line.1035"></a> |
| <FONT color="green">1036</FONT> final StringBuffer sb = new StringBuffer();<a name="line.1036"></a> |
| <FONT color="green">1037</FONT> sb.append('(');<a name="line.1037"></a> |
| <FONT color="green">1038</FONT> final Class[] params = cons.getParameterTypes(); // avoid clone<a name="line.1038"></a> |
| <FONT color="green">1039</FONT> for (int j = 0; j < params.length; j++) {<a name="line.1039"></a> |
| <FONT color="green">1040</FONT> sb.append(getSignature(params[j]));<a name="line.1040"></a> |
| <FONT color="green">1041</FONT> }<a name="line.1041"></a> |
| <FONT color="green">1042</FONT> return sb.append(")V").toString();<a name="line.1042"></a> |
| <FONT color="green">1043</FONT> }<a name="line.1043"></a> |
| <FONT color="green">1044</FONT> <a name="line.1044"></a> |
| <FONT color="green">1045</FONT> /**<a name="line.1045"></a> |
| <FONT color="green">1046</FONT> * Return the signature of the current method<a name="line.1046"></a> |
| <FONT color="green">1047</FONT> */<a name="line.1047"></a> |
| <FONT color="green">1048</FONT> private String getMethodSignature(Vector argsType) {<a name="line.1048"></a> |
| <FONT color="green">1049</FONT> final StringBuffer buf = new StringBuffer(_className);<a name="line.1049"></a> |
| <FONT color="green">1050</FONT> buf.append('.').append(_fname.getLocalPart()).append('(');<a name="line.1050"></a> |
| <FONT color="green">1051</FONT> <a name="line.1051"></a> |
| <FONT color="green">1052</FONT> int nArgs = argsType.size(); <a name="line.1052"></a> |
| <FONT color="green">1053</FONT> for (int i = 0; i < nArgs; i++) {<a name="line.1053"></a> |
| <FONT color="green">1054</FONT> final Type intType = (Type)argsType.elementAt(i);<a name="line.1054"></a> |
| <FONT color="green">1055</FONT> buf.append(intType.toString());<a name="line.1055"></a> |
| <FONT color="green">1056</FONT> if (i < nArgs - 1) buf.append(", ");<a name="line.1056"></a> |
| <FONT color="green">1057</FONT> }<a name="line.1057"></a> |
| <FONT color="green">1058</FONT> <a name="line.1058"></a> |
| <FONT color="green">1059</FONT> buf.append(')');<a name="line.1059"></a> |
| <FONT color="green">1060</FONT> return buf.toString();<a name="line.1060"></a> |
| <FONT color="green">1061</FONT> }<a name="line.1061"></a> |
| <FONT color="green">1062</FONT> <a name="line.1062"></a> |
| <FONT color="green">1063</FONT> /**<a name="line.1063"></a> |
| <FONT color="green">1064</FONT> * To support EXSLT extensions, convert names with dash to allowable Java names: <a name="line.1064"></a> |
| <FONT color="green">1065</FONT> * e.g., convert abc-xyz to abcXyz.<a name="line.1065"></a> |
| <FONT color="green">1066</FONT> * Note: dashes only appear in middle of an EXSLT function or element name.<a name="line.1066"></a> |
| <FONT color="green">1067</FONT> */<a name="line.1067"></a> |
| <FONT color="green">1068</FONT> protected static String replaceDash(String name)<a name="line.1068"></a> |
| <FONT color="green">1069</FONT> {<a name="line.1069"></a> |
| <FONT color="green">1070</FONT> char dash = '-';<a name="line.1070"></a> |
| <FONT color="green">1071</FONT> StringBuffer buff = new StringBuffer("");<a name="line.1071"></a> |
| <FONT color="green">1072</FONT> for (int i = 0; i < name.length(); i++) {<a name="line.1072"></a> |
| <FONT color="green">1073</FONT> if (i > 0 && name.charAt(i-1) == dash)<a name="line.1073"></a> |
| <FONT color="green">1074</FONT> buff.append(Character.toUpperCase(name.charAt(i)));<a name="line.1074"></a> |
| <FONT color="green">1075</FONT> else if (name.charAt(i) != dash)<a name="line.1075"></a> |
| <FONT color="green">1076</FONT> buff.append(name.charAt(i));<a name="line.1076"></a> |
| <FONT color="green">1077</FONT> }<a name="line.1077"></a> |
| <FONT color="green">1078</FONT> return buff.toString();<a name="line.1078"></a> |
| <FONT color="green">1079</FONT> }<a name="line.1079"></a> |
| <FONT color="green">1080</FONT> <a name="line.1080"></a> |
| <FONT color="green">1081</FONT> /**<a name="line.1081"></a> |
| <FONT color="green">1082</FONT> * Translate code to call the BasisLibrary.unallowed_extensionF(String)<a name="line.1082"></a> |
| <FONT color="green">1083</FONT> * method.<a name="line.1083"></a> |
| <FONT color="green">1084</FONT> */<a name="line.1084"></a> |
| <FONT color="green">1085</FONT> private void translateUnallowedExtension(ConstantPoolGen cpg,<a name="line.1085"></a> |
| <FONT color="green">1086</FONT> InstructionList il) {<a name="line.1086"></a> |
| <FONT color="green">1087</FONT> int index = cpg.addMethodref(BASIS_LIBRARY_CLASS,<a name="line.1087"></a> |
| <FONT color="green">1088</FONT> "unallowed_extension_functionF",<a name="line.1088"></a> |
| <FONT color="green">1089</FONT> "(Ljava/lang/String;)V");<a name="line.1089"></a> |
| <FONT color="green">1090</FONT> il.append(new PUSH(cpg, _fname.toString()));<a name="line.1090"></a> |
| <FONT color="green">1091</FONT> il.append(new INVOKESTATIC(index)); <a name="line.1091"></a> |
| <FONT color="green">1092</FONT> } <a name="line.1092"></a> |
| <FONT color="green">1093</FONT> }<a name="line.1093"></a> |
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| </PRE> |
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