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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: Sort.java 1225842 2011-12-30 15:14:35Z mrglavas $<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.util.ArrayList;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import java.util.Vector;<a name="line.25"></a> |
| <FONT color="green">026</FONT> <a name="line.26"></a> |
| <FONT color="green">027</FONT> import org.apache.bcel.classfile.Field;<a name="line.27"></a> |
| <FONT color="green">028</FONT> import org.apache.bcel.generic.ALOAD;<a name="line.28"></a> |
| <FONT color="green">029</FONT> import org.apache.bcel.generic.ANEWARRAY;<a name="line.29"></a> |
| <FONT color="green">030</FONT> import org.apache.bcel.generic.ASTORE;<a name="line.30"></a> |
| <FONT color="green">031</FONT> import org.apache.bcel.generic.CHECKCAST;<a name="line.31"></a> |
| <FONT color="green">032</FONT> import org.apache.bcel.generic.ConstantPoolGen;<a name="line.32"></a> |
| <FONT color="green">033</FONT> import org.apache.bcel.generic.GETFIELD;<a name="line.33"></a> |
| <FONT color="green">034</FONT> import org.apache.bcel.generic.ILOAD;<a name="line.34"></a> |
| <FONT color="green">035</FONT> import org.apache.bcel.generic.INVOKEINTERFACE;<a name="line.35"></a> |
| <FONT color="green">036</FONT> import org.apache.bcel.generic.INVOKESPECIAL;<a name="line.36"></a> |
| <FONT color="green">037</FONT> import org.apache.bcel.generic.InstructionHandle;<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.LocalVariableGen;<a name="line.39"></a> |
| <FONT color="green">040</FONT> import org.apache.bcel.generic.NEW;<a name="line.40"></a> |
| <FONT color="green">041</FONT> import org.apache.bcel.generic.NOP;<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.bcel.generic.PUTFIELD;<a name="line.43"></a> |
| <FONT color="green">044</FONT> import org.apache.bcel.generic.TABLESWITCH;<a name="line.44"></a> |
| <FONT color="green">045</FONT> import org.apache.xalan.xsltc.compiler.util.ClassGenerator;<a name="line.45"></a> |
| <FONT color="green">046</FONT> import org.apache.xalan.xsltc.compiler.util.CompareGenerator;<a name="line.46"></a> |
| <FONT color="green">047</FONT> import org.apache.xalan.xsltc.compiler.util.ErrorMsg;<a name="line.47"></a> |
| <FONT color="green">048</FONT> import org.apache.xalan.xsltc.compiler.util.IntType;<a name="line.48"></a> |
| <FONT color="green">049</FONT> import org.apache.xalan.xsltc.compiler.util.MethodGenerator;<a name="line.49"></a> |
| <FONT color="green">050</FONT> import org.apache.xalan.xsltc.compiler.util.NodeSortRecordFactGenerator;<a name="line.50"></a> |
| <FONT color="green">051</FONT> import org.apache.xalan.xsltc.compiler.util.NodeSortRecordGenerator;<a name="line.51"></a> |
| <FONT color="green">052</FONT> import org.apache.xalan.xsltc.compiler.util.StringType;<a name="line.52"></a> |
| <FONT color="green">053</FONT> import org.apache.xalan.xsltc.compiler.util.Type;<a name="line.53"></a> |
| <FONT color="green">054</FONT> import org.apache.xalan.xsltc.compiler.util.TypeCheckError;<a name="line.54"></a> |
| <FONT color="green">055</FONT> import org.apache.xalan.xsltc.compiler.util.Util;<a name="line.55"></a> |
| <FONT color="green">056</FONT> import org.apache.xml.dtm.Axis;<a name="line.56"></a> |
| <FONT color="green">057</FONT> <a name="line.57"></a> |
| <FONT color="green">058</FONT> <a name="line.58"></a> |
| <FONT color="green">059</FONT> /**<a name="line.59"></a> |
| <FONT color="green">060</FONT> * @author Jacek Ambroziak<a name="line.60"></a> |
| <FONT color="green">061</FONT> * @author Santiago Pericas-Geertsen<a name="line.61"></a> |
| <FONT color="green">062</FONT> * @author Morten Jorgensen<a name="line.62"></a> |
| <FONT color="green">063</FONT> */<a name="line.63"></a> |
| <FONT color="green">064</FONT> final class Sort extends Instruction implements Closure {<a name="line.64"></a> |
| <FONT color="green">065</FONT> <a name="line.65"></a> |
| <FONT color="green">066</FONT> private Expression _select;<a name="line.66"></a> |
| <FONT color="green">067</FONT> private AttributeValue _order;<a name="line.67"></a> |
| <FONT color="green">068</FONT> private AttributeValue _caseOrder;<a name="line.68"></a> |
| <FONT color="green">069</FONT> private AttributeValue _dataType;<a name="line.69"></a> |
| <FONT color="green">070</FONT> private String _lang; // bug! see 26869<a name="line.70"></a> |
| <FONT color="green">071</FONT> <a name="line.71"></a> |
| <FONT color="green">072</FONT> private String _data = null;<a name="line.72"></a> |
| <FONT color="green">073</FONT> <a name="line.73"></a> |
| <FONT color="green">074</FONT> <a name="line.74"></a> |
| <FONT color="green">075</FONT> private String _className = null;<a name="line.75"></a> |
| <FONT color="green">076</FONT> private ArrayList _closureVars = null;<a name="line.76"></a> |
| <FONT color="green">077</FONT> private boolean _needsSortRecordFactory = false;<a name="line.77"></a> |
| <FONT color="green">078</FONT> <a name="line.78"></a> |
| <FONT color="green">079</FONT> // -- Begin Closure interface --------------------<a name="line.79"></a> |
| <FONT color="green">080</FONT> <a name="line.80"></a> |
| <FONT color="green">081</FONT> /**<a name="line.81"></a> |
| <FONT color="green">082</FONT> * Returns true if this closure is compiled in an inner class (i.e.<a name="line.82"></a> |
| <FONT color="green">083</FONT> * if this is a real closure).<a name="line.83"></a> |
| <FONT color="green">084</FONT> */<a name="line.84"></a> |
| <FONT color="green">085</FONT> public boolean inInnerClass() {<a name="line.85"></a> |
| <FONT color="green">086</FONT> return (_className != null);<a name="line.86"></a> |
| <FONT color="green">087</FONT> }<a name="line.87"></a> |
| <FONT color="green">088</FONT> <a name="line.88"></a> |
| <FONT color="green">089</FONT> /**<a name="line.89"></a> |
| <FONT color="green">090</FONT> * Returns a reference to its parent closure or null if outermost.<a name="line.90"></a> |
| <FONT color="green">091</FONT> */<a name="line.91"></a> |
| <FONT color="green">092</FONT> public Closure getParentClosure() {<a name="line.92"></a> |
| <FONT color="green">093</FONT> return null;<a name="line.93"></a> |
| <FONT color="green">094</FONT> }<a name="line.94"></a> |
| <FONT color="green">095</FONT> <a name="line.95"></a> |
| <FONT color="green">096</FONT> /**<a name="line.96"></a> |
| <FONT color="green">097</FONT> * Returns the name of the auxiliary class or null if this predicate <a name="line.97"></a> |
| <FONT color="green">098</FONT> * is compiled inside the Translet.<a name="line.98"></a> |
| <FONT color="green">099</FONT> */<a name="line.99"></a> |
| <FONT color="green">100</FONT> public String getInnerClassName() {<a name="line.100"></a> |
| <FONT color="green">101</FONT> return _className;<a name="line.101"></a> |
| <FONT color="green">102</FONT> }<a name="line.102"></a> |
| <FONT color="green">103</FONT> <a name="line.103"></a> |
| <FONT color="green">104</FONT> /**<a name="line.104"></a> |
| <FONT color="green">105</FONT> * Add new variable to the closure.<a name="line.105"></a> |
| <FONT color="green">106</FONT> */<a name="line.106"></a> |
| <FONT color="green">107</FONT> public void addVariable(VariableRefBase variableRef) {<a name="line.107"></a> |
| <FONT color="green">108</FONT> if (_closureVars == null) {<a name="line.108"></a> |
| <FONT color="green">109</FONT> _closureVars = new ArrayList();<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> // Only one reference per variable<a name="line.112"></a> |
| <FONT color="green">113</FONT> if (!_closureVars.contains(variableRef)) {<a name="line.113"></a> |
| <FONT color="green">114</FONT> _closureVars.add(variableRef);<a name="line.114"></a> |
| <FONT color="green">115</FONT> _needsSortRecordFactory = true;<a name="line.115"></a> |
| <FONT color="green">116</FONT> }<a name="line.116"></a> |
| <FONT color="green">117</FONT> }<a name="line.117"></a> |
| <FONT color="green">118</FONT> <a name="line.118"></a> |
| <FONT color="green">119</FONT> // -- End Closure interface ----------------------<a name="line.119"></a> |
| <FONT color="green">120</FONT> <a name="line.120"></a> |
| <FONT color="green">121</FONT> private void setInnerClassName(String className) {<a name="line.121"></a> |
| <FONT color="green">122</FONT> _className = className;<a name="line.122"></a> |
| <FONT color="green">123</FONT> }<a name="line.123"></a> |
| <FONT color="green">124</FONT> <a name="line.124"></a> |
| <FONT color="green">125</FONT> /**<a name="line.125"></a> |
| <FONT color="green">126</FONT> * Parse the attributes of the xsl:sort element<a name="line.126"></a> |
| <FONT color="green">127</FONT> */<a name="line.127"></a> |
| <FONT color="green">128</FONT> public void parseContents(Parser parser) {<a name="line.128"></a> |
| <FONT color="green">129</FONT> <a name="line.129"></a> |
| <FONT color="green">130</FONT> final SyntaxTreeNode parent = getParent();<a name="line.130"></a> |
| <FONT color="green">131</FONT> if (!(parent instanceof ApplyTemplates) &&<a name="line.131"></a> |
| <FONT color="green">132</FONT> !(parent instanceof ForEach)) {<a name="line.132"></a> |
| <FONT color="green">133</FONT> reportError(this, parser, ErrorMsg.STRAY_SORT_ERR, null);<a name="line.133"></a> |
| <FONT color="green">134</FONT> return;<a name="line.134"></a> |
| <FONT color="green">135</FONT> }<a name="line.135"></a> |
| <FONT color="green">136</FONT> <a name="line.136"></a> |
| <FONT color="green">137</FONT> // Parse the select expression (node string value if no expression)<a name="line.137"></a> |
| <FONT color="green">138</FONT> _select = parser.parseExpression(this, "select", "string(.)");<a name="line.138"></a> |
| <FONT color="green">139</FONT> <a name="line.139"></a> |
| <FONT color="green">140</FONT> // Get the sort order; default is 'ascending'<a name="line.140"></a> |
| <FONT color="green">141</FONT> String val = getAttribute("order");<a name="line.141"></a> |
| <FONT color="green">142</FONT> if (val.length() == 0) val = "ascending";<a name="line.142"></a> |
| <FONT color="green">143</FONT> _order = AttributeValue.create(this, val, parser);<a name="line.143"></a> |
| <FONT color="green">144</FONT> <a name="line.144"></a> |
| <FONT color="green">145</FONT> // Get the sort data type; default is text<a name="line.145"></a> |
| <FONT color="green">146</FONT> val = getAttribute("data-type");<a name="line.146"></a> |
| <FONT color="green">147</FONT> if (val.length() == 0) {<a name="line.147"></a> |
| <FONT color="green">148</FONT> try {<a name="line.148"></a> |
| <FONT color="green">149</FONT> final Type type = _select.typeCheck(parser.getSymbolTable());<a name="line.149"></a> |
| <FONT color="green">150</FONT> if (type instanceof IntType)<a name="line.150"></a> |
| <FONT color="green">151</FONT> val = "number";<a name="line.151"></a> |
| <FONT color="green">152</FONT> else<a name="line.152"></a> |
| <FONT color="green">153</FONT> val = "text";<a name="line.153"></a> |
| <FONT color="green">154</FONT> }<a name="line.154"></a> |
| <FONT color="green">155</FONT> catch (TypeCheckError e) {<a name="line.155"></a> |
| <FONT color="green">156</FONT> val = "text";<a name="line.156"></a> |
| <FONT color="green">157</FONT> }<a name="line.157"></a> |
| <FONT color="green">158</FONT> }<a name="line.158"></a> |
| <FONT color="green">159</FONT> _dataType = AttributeValue.create(this, val, parser);<a name="line.159"></a> |
| <FONT color="green">160</FONT> <a name="line.160"></a> |
| <FONT color="green">161</FONT> _lang = getAttribute("lang"); // bug! see 26869<a name="line.161"></a> |
| <FONT color="green">162</FONT> // val = getAttribute("lang"); <a name="line.162"></a> |
| <FONT color="green">163</FONT> // _lang = AttributeValue.create(this, val, parser);<a name="line.163"></a> |
| <FONT color="green">164</FONT> // Get the case order; default is language dependant<a name="line.164"></a> |
| <FONT color="green">165</FONT> val = getAttribute("case-order");<a name="line.165"></a> |
| <FONT color="green">166</FONT> _caseOrder = AttributeValue.create(this, val, parser);<a name="line.166"></a> |
| <FONT color="green">167</FONT> <a name="line.167"></a> |
| <FONT color="green">168</FONT> }<a name="line.168"></a> |
| <FONT color="green">169</FONT> <a name="line.169"></a> |
| <FONT color="green">170</FONT> /**<a name="line.170"></a> |
| <FONT color="green">171</FONT> * Run type checks on the attributes; expression must return a string<a name="line.171"></a> |
| <FONT color="green">172</FONT> * which we will use as a sort key<a name="line.172"></a> |
| <FONT color="green">173</FONT> */<a name="line.173"></a> |
| <FONT color="green">174</FONT> public Type typeCheck(SymbolTable stable) throws TypeCheckError {<a name="line.174"></a> |
| <FONT color="green">175</FONT> final Type tselect = _select.typeCheck(stable);<a name="line.175"></a> |
| <FONT color="green">176</FONT> <a name="line.176"></a> |
| <FONT color="green">177</FONT> // If the sort data-type is not set we use the natural data-type<a name="line.177"></a> |
| <FONT color="green">178</FONT> // of the data we will sort<a name="line.178"></a> |
| <FONT color="green">179</FONT> if (!(tselect instanceof StringType)) {<a name="line.179"></a> |
| <FONT color="green">180</FONT> _select = new CastExpr(_select, Type.String);<a name="line.180"></a> |
| <FONT color="green">181</FONT> }<a name="line.181"></a> |
| <FONT color="green">182</FONT> <a name="line.182"></a> |
| <FONT color="green">183</FONT> _order.typeCheck(stable);<a name="line.183"></a> |
| <FONT color="green">184</FONT> _caseOrder.typeCheck(stable);<a name="line.184"></a> |
| <FONT color="green">185</FONT> _dataType.typeCheck(stable);<a name="line.185"></a> |
| <FONT color="green">186</FONT> return Type.Void;<a name="line.186"></a> |
| <FONT color="green">187</FONT> }<a name="line.187"></a> |
| <FONT color="green">188</FONT> <a name="line.188"></a> |
| <FONT color="green">189</FONT> /**<a name="line.189"></a> |
| <FONT color="green">190</FONT> * These two methods are needed in the static methods that compile the<a name="line.190"></a> |
| <FONT color="green">191</FONT> * overloaded NodeSortRecord.compareType() and NodeSortRecord.sortOrder()<a name="line.191"></a> |
| <FONT color="green">192</FONT> */<a name="line.192"></a> |
| <FONT color="green">193</FONT> public void translateSortType(ClassGenerator classGen,<a name="line.193"></a> |
| <FONT color="green">194</FONT> MethodGenerator methodGen) {<a name="line.194"></a> |
| <FONT color="green">195</FONT> _dataType.translate(classGen, methodGen);<a name="line.195"></a> |
| <FONT color="green">196</FONT> }<a name="line.196"></a> |
| <FONT color="green">197</FONT> <a name="line.197"></a> |
| <FONT color="green">198</FONT> public void translateSortOrder(ClassGenerator classGen,<a name="line.198"></a> |
| <FONT color="green">199</FONT> MethodGenerator methodGen) {<a name="line.199"></a> |
| <FONT color="green">200</FONT> _order.translate(classGen, methodGen);<a name="line.200"></a> |
| <FONT color="green">201</FONT> }<a name="line.201"></a> |
| <FONT color="green">202</FONT> <a name="line.202"></a> |
| <FONT color="green">203</FONT> public void translateCaseOrder(ClassGenerator classGen,<a name="line.203"></a> |
| <FONT color="green">204</FONT> MethodGenerator methodGen) {<a name="line.204"></a> |
| <FONT color="green">205</FONT> _caseOrder.translate(classGen, methodGen);<a name="line.205"></a> |
| <FONT color="green">206</FONT> }<a name="line.206"></a> |
| <FONT color="green">207</FONT> <a name="line.207"></a> |
| <FONT color="green">208</FONT> public void translateLang(ClassGenerator classGen,<a name="line.208"></a> |
| <FONT color="green">209</FONT> MethodGenerator methodGen) {<a name="line.209"></a> |
| <FONT color="green">210</FONT> final ConstantPoolGen cpg = classGen.getConstantPool();<a name="line.210"></a> |
| <FONT color="green">211</FONT> final InstructionList il = methodGen.getInstructionList();<a name="line.211"></a> |
| <FONT color="green">212</FONT> il.append(new PUSH(cpg, _lang)); // bug! see 26869<a name="line.212"></a> |
| <FONT color="green">213</FONT> }<a name="line.213"></a> |
| <FONT color="green">214</FONT> <a name="line.214"></a> |
| <FONT color="green">215</FONT> /**<a name="line.215"></a> |
| <FONT color="green">216</FONT> * This method compiles code for the select expression for this<a name="line.216"></a> |
| <FONT color="green">217</FONT> * xsl:sort element. The method is called from the static code-generating<a name="line.217"></a> |
| <FONT color="green">218</FONT> * methods in this class.<a name="line.218"></a> |
| <FONT color="green">219</FONT> */<a name="line.219"></a> |
| <FONT color="green">220</FONT> public void translateSelect(ClassGenerator classGen,<a name="line.220"></a> |
| <FONT color="green">221</FONT> MethodGenerator methodGen) {<a name="line.221"></a> |
| <FONT color="green">222</FONT> _select.translate(classGen,methodGen);<a name="line.222"></a> |
| <FONT color="green">223</FONT> }<a name="line.223"></a> |
| <FONT color="green">224</FONT> <a name="line.224"></a> |
| <FONT color="green">225</FONT> /**<a name="line.225"></a> |
| <FONT color="green">226</FONT> * This method should not produce any code<a name="line.226"></a> |
| <FONT color="green">227</FONT> */<a name="line.227"></a> |
| <FONT color="green">228</FONT> public void translate(ClassGenerator classGen, MethodGenerator methodGen) {<a name="line.228"></a> |
| <FONT color="green">229</FONT> // empty<a name="line.229"></a> |
| <FONT color="green">230</FONT> }<a name="line.230"></a> |
| <FONT color="green">231</FONT> <a name="line.231"></a> |
| <FONT color="green">232</FONT> /**<a name="line.232"></a> |
| <FONT color="green">233</FONT> * Compiles code that instantiates a SortingIterator object.<a name="line.233"></a> |
| <FONT color="green">234</FONT> * This object's constructor needs referencdes to the current iterator<a name="line.234"></a> |
| <FONT color="green">235</FONT> * and a node sort record producing objects as its parameters.<a name="line.235"></a> |
| <FONT color="green">236</FONT> */<a name="line.236"></a> |
| <FONT color="green">237</FONT> public static void translateSortIterator(ClassGenerator classGen,<a name="line.237"></a> |
| <FONT color="green">238</FONT> MethodGenerator methodGen,<a name="line.238"></a> |
| <FONT color="green">239</FONT> Expression nodeSet,<a name="line.239"></a> |
| <FONT color="green">240</FONT> Vector sortObjects) <a name="line.240"></a> |
| <FONT color="green">241</FONT> {<a name="line.241"></a> |
| <FONT color="green">242</FONT> final ConstantPoolGen cpg = classGen.getConstantPool();<a name="line.242"></a> |
| <FONT color="green">243</FONT> final InstructionList il = methodGen.getInstructionList();<a name="line.243"></a> |
| <FONT color="green">244</FONT> <a name="line.244"></a> |
| <FONT color="green">245</FONT> // SortingIterator.SortingIterator(NodeIterator,NodeSortRecordFactory);<a name="line.245"></a> |
| <FONT color="green">246</FONT> final int init = cpg.addMethodref(SORT_ITERATOR, "<init>",<a name="line.246"></a> |
| <FONT color="green">247</FONT> "("<a name="line.247"></a> |
| <FONT color="green">248</FONT> + NODE_ITERATOR_SIG<a name="line.248"></a> |
| <FONT color="green">249</FONT> + NODE_SORT_FACTORY_SIG<a name="line.249"></a> |
| <FONT color="green">250</FONT> + ")V"); <a name="line.250"></a> |
| <FONT color="green">251</FONT> <a name="line.251"></a> |
| <FONT color="green">252</FONT> // Backwards branches are prohibited if an uninitialized object is<a name="line.252"></a> |
| <FONT color="green">253</FONT> // on the stack by section 4.9.4 of the JVM Specification, 2nd Ed.<a name="line.253"></a> |
| <FONT color="green">254</FONT> // We don't know whether this code might contain backwards branches<a name="line.254"></a> |
| <FONT color="green">255</FONT> // so we mustn't create the new object until after we've created<a name="line.255"></a> |
| <FONT color="green">256</FONT> // the suspect arguments to its constructor. Instead we calculate<a name="line.256"></a> |
| <FONT color="green">257</FONT> // the values of the arguments to the constructor first, store them<a name="line.257"></a> |
| <FONT color="green">258</FONT> // in temporary variables, create the object and reload the<a name="line.258"></a> |
| <FONT color="green">259</FONT> // arguments from the temporaries to avoid the problem.<a name="line.259"></a> |
| <FONT color="green">260</FONT> <a name="line.260"></a> |
| <FONT color="green">261</FONT> LocalVariableGen nodesTemp =<a name="line.261"></a> |
| <FONT color="green">262</FONT> methodGen.addLocalVariable("sort_tmp1",<a name="line.262"></a> |
| <FONT color="green">263</FONT> Util.getJCRefType(NODE_ITERATOR_SIG),<a name="line.263"></a> |
| <FONT color="green">264</FONT> null, null);<a name="line.264"></a> |
| <FONT color="green">265</FONT> <a name="line.265"></a> |
| <FONT color="green">266</FONT> LocalVariableGen sortRecordFactoryTemp =<a name="line.266"></a> |
| <FONT color="green">267</FONT> methodGen.addLocalVariable("sort_tmp2",<a name="line.267"></a> |
| <FONT color="green">268</FONT> Util.getJCRefType(NODE_SORT_FACTORY_SIG),<a name="line.268"></a> |
| <FONT color="green">269</FONT> null, null);<a name="line.269"></a> |
| <FONT color="green">270</FONT> <a name="line.270"></a> |
| <FONT color="green">271</FONT> // Get the current node iterator<a name="line.271"></a> |
| <FONT color="green">272</FONT> if (nodeSet == null) { // apply-templates default<a name="line.272"></a> |
| <FONT color="green">273</FONT> final int children = cpg.addInterfaceMethodref(DOM_INTF,<a name="line.273"></a> |
| <FONT color="green">274</FONT> "getAxisIterator",<a name="line.274"></a> |
| <FONT color="green">275</FONT> "(I)"+<a name="line.275"></a> |
| <FONT color="green">276</FONT> NODE_ITERATOR_SIG);<a name="line.276"></a> |
| <FONT color="green">277</FONT> il.append(methodGen.loadDOM());<a name="line.277"></a> |
| <FONT color="green">278</FONT> il.append(new PUSH(cpg, Axis.CHILD));<a name="line.278"></a> |
| <FONT color="green">279</FONT> il.append(new INVOKEINTERFACE(children, 2));<a name="line.279"></a> |
| <FONT color="green">280</FONT> }<a name="line.280"></a> |
| <FONT color="green">281</FONT> else {<a name="line.281"></a> |
| <FONT color="green">282</FONT> nodeSet.translate(classGen, methodGen);<a name="line.282"></a> |
| <FONT color="green">283</FONT> }<a name="line.283"></a> |
| <FONT color="green">284</FONT> <a name="line.284"></a> |
| <FONT color="green">285</FONT> nodesTemp.setStart(il.append(new ASTORE(nodesTemp.getIndex())));<a name="line.285"></a> |
| <FONT color="green">286</FONT> <a name="line.286"></a> |
| <FONT color="green">287</FONT> // Compile the code for the NodeSortRecord producing class and pass<a name="line.287"></a> |
| <FONT color="green">288</FONT> // that as the last argument to the SortingIterator constructor.<a name="line.288"></a> |
| <FONT color="green">289</FONT> compileSortRecordFactory(sortObjects, classGen, methodGen);<a name="line.289"></a> |
| <FONT color="green">290</FONT> sortRecordFactoryTemp.setStart(<a name="line.290"></a> |
| <FONT color="green">291</FONT> il.append(new ASTORE(sortRecordFactoryTemp.getIndex())));<a name="line.291"></a> |
| <FONT color="green">292</FONT> <a name="line.292"></a> |
| <FONT color="green">293</FONT> il.append(new NEW(cpg.addClass(SORT_ITERATOR)));<a name="line.293"></a> |
| <FONT color="green">294</FONT> il.append(DUP);<a name="line.294"></a> |
| <FONT color="green">295</FONT> nodesTemp.setEnd(il.append(new ALOAD(nodesTemp.getIndex())));<a name="line.295"></a> |
| <FONT color="green">296</FONT> sortRecordFactoryTemp.setEnd(<a name="line.296"></a> |
| <FONT color="green">297</FONT> il.append(new ALOAD(sortRecordFactoryTemp.getIndex())));<a name="line.297"></a> |
| <FONT color="green">298</FONT> il.append(new INVOKESPECIAL(init));<a name="line.298"></a> |
| <FONT color="green">299</FONT> }<a name="line.299"></a> |
| <FONT color="green">300</FONT> <a name="line.300"></a> |
| <FONT color="green">301</FONT> <a name="line.301"></a> |
| <FONT color="green">302</FONT> /**<a name="line.302"></a> |
| <FONT color="green">303</FONT> * Compiles code that instantiates a NodeSortRecordFactory object which<a name="line.303"></a> |
| <FONT color="green">304</FONT> * will produce NodeSortRecord objects of a specific type.<a name="line.304"></a> |
| <FONT color="green">305</FONT> */<a name="line.305"></a> |
| <FONT color="green">306</FONT> public static void compileSortRecordFactory(Vector sortObjects,<a name="line.306"></a> |
| <FONT color="green">307</FONT> ClassGenerator classGen, MethodGenerator methodGen) <a name="line.307"></a> |
| <FONT color="green">308</FONT> {<a name="line.308"></a> |
| <FONT color="green">309</FONT> String sortRecordClass = <a name="line.309"></a> |
| <FONT color="green">310</FONT> compileSortRecord(sortObjects, classGen, methodGen);<a name="line.310"></a> |
| <FONT color="green">311</FONT> <a name="line.311"></a> |
| <FONT color="green">312</FONT> boolean needsSortRecordFactory = false;<a name="line.312"></a> |
| <FONT color="green">313</FONT> final int nsorts = sortObjects.size();<a name="line.313"></a> |
| <FONT color="green">314</FONT> for (int i = 0; i < nsorts; i++) {<a name="line.314"></a> |
| <FONT color="green">315</FONT> final Sort sort = (Sort) sortObjects.elementAt(i);<a name="line.315"></a> |
| <FONT color="green">316</FONT> needsSortRecordFactory |= sort._needsSortRecordFactory;<a name="line.316"></a> |
| <FONT color="green">317</FONT> }<a name="line.317"></a> |
| <FONT color="green">318</FONT> <a name="line.318"></a> |
| <FONT color="green">319</FONT> String sortRecordFactoryClass = NODE_SORT_FACTORY;<a name="line.319"></a> |
| <FONT color="green">320</FONT> if (needsSortRecordFactory) {<a name="line.320"></a> |
| <FONT color="green">321</FONT> sortRecordFactoryClass = <a name="line.321"></a> |
| <FONT color="green">322</FONT> compileSortRecordFactory(sortObjects, classGen, methodGen, <a name="line.322"></a> |
| <FONT color="green">323</FONT> sortRecordClass);<a name="line.323"></a> |
| <FONT color="green">324</FONT> }<a name="line.324"></a> |
| <FONT color="green">325</FONT> <a name="line.325"></a> |
| <FONT color="green">326</FONT> final ConstantPoolGen cpg = classGen.getConstantPool();<a name="line.326"></a> |
| <FONT color="green">327</FONT> final InstructionList il = methodGen.getInstructionList();<a name="line.327"></a> |
| <FONT color="green">328</FONT> <a name="line.328"></a> |
| <FONT color="green">329</FONT> // Backwards branches are prohibited if an uninitialized object is<a name="line.329"></a> |
| <FONT color="green">330</FONT> // on the stack by section 4.9.4 of the JVM Specification, 2nd Ed.<a name="line.330"></a> |
| <FONT color="green">331</FONT> // We don't know whether this code might contain backwards branches<a name="line.331"></a> |
| <FONT color="green">332</FONT> // so we mustn't create the new object until after we've created<a name="line.332"></a> |
| <FONT color="green">333</FONT> // the suspect arguments to its constructor. Instead we calculate<a name="line.333"></a> |
| <FONT color="green">334</FONT> // the values of the arguments to the constructor first, store them<a name="line.334"></a> |
| <FONT color="green">335</FONT> // in temporary variables, create the object and reload the<a name="line.335"></a> |
| <FONT color="green">336</FONT> // arguments from the temporaries to avoid the problem.<a name="line.336"></a> |
| <FONT color="green">337</FONT> <a name="line.337"></a> |
| <FONT color="green">338</FONT> // Compile code that initializes the static _sortOrder<a name="line.338"></a> |
| <FONT color="green">339</FONT> LocalVariableGen sortOrderTemp<a name="line.339"></a> |
| <FONT color="green">340</FONT> = methodGen.addLocalVariable("sort_order_tmp",<a name="line.340"></a> |
| <FONT color="green">341</FONT> Util.getJCRefType("[" + STRING_SIG),<a name="line.341"></a> |
| <FONT color="green">342</FONT> null, null);<a name="line.342"></a> |
| <FONT color="green">343</FONT> il.append(new PUSH(cpg, nsorts));<a name="line.343"></a> |
| <FONT color="green">344</FONT> il.append(new ANEWARRAY(cpg.addClass(STRING)));<a name="line.344"></a> |
| <FONT color="green">345</FONT> for (int level = 0; level < nsorts; level++) {<a name="line.345"></a> |
| <FONT color="green">346</FONT> final Sort sort = (Sort)sortObjects.elementAt(level);<a name="line.346"></a> |
| <FONT color="green">347</FONT> il.append(DUP);<a name="line.347"></a> |
| <FONT color="green">348</FONT> il.append(new PUSH(cpg, level));<a name="line.348"></a> |
| <FONT color="green">349</FONT> sort.translateSortOrder(classGen, methodGen);<a name="line.349"></a> |
| <FONT color="green">350</FONT> il.append(AASTORE);<a name="line.350"></a> |
| <FONT color="green">351</FONT> }<a name="line.351"></a> |
| <FONT color="green">352</FONT> sortOrderTemp.setStart(il.append(new ASTORE(sortOrderTemp.getIndex())));<a name="line.352"></a> |
| <FONT color="green">353</FONT> <a name="line.353"></a> |
| <FONT color="green">354</FONT> LocalVariableGen sortTypeTemp<a name="line.354"></a> |
| <FONT color="green">355</FONT> = methodGen.addLocalVariable("sort_type_tmp",<a name="line.355"></a> |
| <FONT color="green">356</FONT> Util.getJCRefType("[" + STRING_SIG),<a name="line.356"></a> |
| <FONT color="green">357</FONT> null, null);<a name="line.357"></a> |
| <FONT color="green">358</FONT> il.append(new PUSH(cpg, nsorts));<a name="line.358"></a> |
| <FONT color="green">359</FONT> il.append(new ANEWARRAY(cpg.addClass(STRING)));<a name="line.359"></a> |
| <FONT color="green">360</FONT> for (int level = 0; level < nsorts; level++) {<a name="line.360"></a> |
| <FONT color="green">361</FONT> final Sort sort = (Sort)sortObjects.elementAt(level);<a name="line.361"></a> |
| <FONT color="green">362</FONT> il.append(DUP);<a name="line.362"></a> |
| <FONT color="green">363</FONT> il.append(new PUSH(cpg, level));<a name="line.363"></a> |
| <FONT color="green">364</FONT> sort.translateSortType(classGen, methodGen);<a name="line.364"></a> |
| <FONT color="green">365</FONT> il.append(AASTORE);<a name="line.365"></a> |
| <FONT color="green">366</FONT> }<a name="line.366"></a> |
| <FONT color="green">367</FONT> sortTypeTemp.setStart(il.append(new ASTORE(sortTypeTemp.getIndex())));<a name="line.367"></a> |
| <FONT color="green">368</FONT> <a name="line.368"></a> |
| <FONT color="green">369</FONT> LocalVariableGen sortLangTemp<a name="line.369"></a> |
| <FONT color="green">370</FONT> = methodGen.addLocalVariable("sort_lang_tmp",<a name="line.370"></a> |
| <FONT color="green">371</FONT> Util.getJCRefType("[" + STRING_SIG),<a name="line.371"></a> |
| <FONT color="green">372</FONT> null, null);<a name="line.372"></a> |
| <FONT color="green">373</FONT> il.append(new PUSH(cpg, nsorts));<a name="line.373"></a> |
| <FONT color="green">374</FONT> il.append(new ANEWARRAY(cpg.addClass(STRING)));<a name="line.374"></a> |
| <FONT color="green">375</FONT> for (int level = 0; level < nsorts; level++) {<a name="line.375"></a> |
| <FONT color="green">376</FONT> final Sort sort = (Sort)sortObjects.elementAt(level);<a name="line.376"></a> |
| <FONT color="green">377</FONT> il.append(DUP);<a name="line.377"></a> |
| <FONT color="green">378</FONT> il.append(new PUSH(cpg, level));<a name="line.378"></a> |
| <FONT color="green">379</FONT> sort.translateLang(classGen, methodGen);<a name="line.379"></a> |
| <FONT color="green">380</FONT> il.append(AASTORE);<a name="line.380"></a> |
| <FONT color="green">381</FONT> }<a name="line.381"></a> |
| <FONT color="green">382</FONT> sortLangTemp.setStart(il.append(new ASTORE(sortLangTemp.getIndex())));<a name="line.382"></a> |
| <FONT color="green">383</FONT> <a name="line.383"></a> |
| <FONT color="green">384</FONT> LocalVariableGen sortCaseOrderTemp<a name="line.384"></a> |
| <FONT color="green">385</FONT> = methodGen.addLocalVariable("sort_case_order_tmp",<a name="line.385"></a> |
| <FONT color="green">386</FONT> Util.getJCRefType("[" + STRING_SIG),<a name="line.386"></a> |
| <FONT color="green">387</FONT> null, null);<a name="line.387"></a> |
| <FONT color="green">388</FONT> il.append(new PUSH(cpg, nsorts));<a name="line.388"></a> |
| <FONT color="green">389</FONT> il.append(new ANEWARRAY(cpg.addClass(STRING)));<a name="line.389"></a> |
| <FONT color="green">390</FONT> for (int level = 0; level < nsorts; level++) {<a name="line.390"></a> |
| <FONT color="green">391</FONT> final Sort sort = (Sort)sortObjects.elementAt(level);<a name="line.391"></a> |
| <FONT color="green">392</FONT> il.append(DUP);<a name="line.392"></a> |
| <FONT color="green">393</FONT> il.append(new PUSH(cpg, level));<a name="line.393"></a> |
| <FONT color="green">394</FONT> sort.translateCaseOrder(classGen, methodGen);<a name="line.394"></a> |
| <FONT color="green">395</FONT> il.append(AASTORE);<a name="line.395"></a> |
| <FONT color="green">396</FONT> }<a name="line.396"></a> |
| <FONT color="green">397</FONT> sortCaseOrderTemp.setStart(<a name="line.397"></a> |
| <FONT color="green">398</FONT> il.append(new ASTORE(sortCaseOrderTemp.getIndex())));<a name="line.398"></a> |
| <FONT color="green">399</FONT> <a name="line.399"></a> |
| <FONT color="green">400</FONT> il.append(new NEW(cpg.addClass(sortRecordFactoryClass)));<a name="line.400"></a> |
| <FONT color="green">401</FONT> il.append(DUP);<a name="line.401"></a> |
| <FONT color="green">402</FONT> il.append(methodGen.loadDOM());<a name="line.402"></a> |
| <FONT color="green">403</FONT> il.append(new PUSH(cpg, sortRecordClass));<a name="line.403"></a> |
| <FONT color="green">404</FONT> il.append(classGen.loadTranslet());<a name="line.404"></a> |
| <FONT color="green">405</FONT> <a name="line.405"></a> |
| <FONT color="green">406</FONT> sortOrderTemp.setEnd(il.append(new ALOAD(sortOrderTemp.getIndex())));<a name="line.406"></a> |
| <FONT color="green">407</FONT> sortTypeTemp.setEnd(il.append(new ALOAD(sortTypeTemp.getIndex())));<a name="line.407"></a> |
| <FONT color="green">408</FONT> sortLangTemp.setEnd(il.append(new ALOAD(sortLangTemp.getIndex())));<a name="line.408"></a> |
| <FONT color="green">409</FONT> sortCaseOrderTemp.setEnd(<a name="line.409"></a> |
| <FONT color="green">410</FONT> il.append(new ALOAD(sortCaseOrderTemp.getIndex())));<a name="line.410"></a> |
| <FONT color="green">411</FONT> <a name="line.411"></a> |
| <FONT color="green">412</FONT> il.append(new INVOKESPECIAL(<a name="line.412"></a> |
| <FONT color="green">413</FONT> cpg.addMethodref(sortRecordFactoryClass, "<init>", <a name="line.413"></a> |
| <FONT color="green">414</FONT> "(" + DOM_INTF_SIG <a name="line.414"></a> |
| <FONT color="green">415</FONT> + STRING_SIG<a name="line.415"></a> |
| <FONT color="green">416</FONT> + TRANSLET_INTF_SIG<a name="line.416"></a> |
| <FONT color="green">417</FONT> + "[" + STRING_SIG<a name="line.417"></a> |
| <FONT color="green">418</FONT> + "[" + STRING_SIG<a name="line.418"></a> |
| <FONT color="green">419</FONT> + "[" + STRING_SIG<a name="line.419"></a> |
| <FONT color="green">420</FONT> + "[" + STRING_SIG + ")V")));<a name="line.420"></a> |
| <FONT color="green">421</FONT> <a name="line.421"></a> |
| <FONT color="green">422</FONT> // Initialize closure variables in sortRecordFactory<a name="line.422"></a> |
| <FONT color="green">423</FONT> final ArrayList dups = new ArrayList();<a name="line.423"></a> |
| <FONT color="green">424</FONT> <a name="line.424"></a> |
| <FONT color="green">425</FONT> for (int j = 0; j < nsorts; j++) {<a name="line.425"></a> |
| <FONT color="green">426</FONT> final Sort sort = (Sort) sortObjects.get(j);<a name="line.426"></a> |
| <FONT color="green">427</FONT> final int length = (sort._closureVars == null) ? 0 : <a name="line.427"></a> |
| <FONT color="green">428</FONT> sort._closureVars.size();<a name="line.428"></a> |
| <FONT color="green">429</FONT> <a name="line.429"></a> |
| <FONT color="green">430</FONT> for (int i = 0; i < length; i++) {<a name="line.430"></a> |
| <FONT color="green">431</FONT> VariableRefBase varRef = (VariableRefBase) sort._closureVars.get(i);<a name="line.431"></a> |
| <FONT color="green">432</FONT> <a name="line.432"></a> |
| <FONT color="green">433</FONT> // Discard duplicate variable references<a name="line.433"></a> |
| <FONT color="green">434</FONT> if (dups.contains(varRef)) continue;<a name="line.434"></a> |
| <FONT color="green">435</FONT> <a name="line.435"></a> |
| <FONT color="green">436</FONT> final VariableBase var = varRef.getVariable();<a name="line.436"></a> |
| <FONT color="green">437</FONT> <a name="line.437"></a> |
| <FONT color="green">438</FONT> // Store variable in new closure<a name="line.438"></a> |
| <FONT color="green">439</FONT> il.append(DUP);<a name="line.439"></a> |
| <FONT color="green">440</FONT> il.append(var.loadInstruction());<a name="line.440"></a> |
| <FONT color="green">441</FONT> il.append(new PUTFIELD(<a name="line.441"></a> |
| <FONT color="green">442</FONT> cpg.addFieldref(sortRecordFactoryClass, var.getEscapedName(), <a name="line.442"></a> |
| <FONT color="green">443</FONT> var.getType().toSignature())));<a name="line.443"></a> |
| <FONT color="green">444</FONT> dups.add(varRef);<a name="line.444"></a> |
| <FONT color="green">445</FONT> }<a name="line.445"></a> |
| <FONT color="green">446</FONT> }<a name="line.446"></a> |
| <FONT color="green">447</FONT> }<a name="line.447"></a> |
| <FONT color="green">448</FONT> <a name="line.448"></a> |
| <FONT color="green">449</FONT> public static String compileSortRecordFactory(Vector sortObjects,<a name="line.449"></a> |
| <FONT color="green">450</FONT> ClassGenerator classGen, MethodGenerator methodGen, <a name="line.450"></a> |
| <FONT color="green">451</FONT> String sortRecordClass)<a name="line.451"></a> |
| <FONT color="green">452</FONT> {<a name="line.452"></a> |
| <FONT color="green">453</FONT> final XSLTC xsltc = ((Sort)sortObjects.firstElement()).getXSLTC();<a name="line.453"></a> |
| <FONT color="green">454</FONT> final String className = xsltc.getHelperClassName();<a name="line.454"></a> |
| <FONT color="green">455</FONT> <a name="line.455"></a> |
| <FONT color="green">456</FONT> final NodeSortRecordFactGenerator sortRecordFactory =<a name="line.456"></a> |
| <FONT color="green">457</FONT> new NodeSortRecordFactGenerator(className,<a name="line.457"></a> |
| <FONT color="green">458</FONT> NODE_SORT_FACTORY,<a name="line.458"></a> |
| <FONT color="green">459</FONT> className + ".java",<a name="line.459"></a> |
| <FONT color="green">460</FONT> ACC_PUBLIC | ACC_SUPER | ACC_FINAL,<a name="line.460"></a> |
| <FONT color="green">461</FONT> new String[] {},<a name="line.461"></a> |
| <FONT color="green">462</FONT> classGen.getStylesheet());<a name="line.462"></a> |
| <FONT color="green">463</FONT> <a name="line.463"></a> |
| <FONT color="green">464</FONT> ConstantPoolGen cpg = sortRecordFactory.getConstantPool();<a name="line.464"></a> |
| <FONT color="green">465</FONT> <a name="line.465"></a> |
| <FONT color="green">466</FONT> // Add a new instance variable for each var in closure<a name="line.466"></a> |
| <FONT color="green">467</FONT> final int nsorts = sortObjects.size();<a name="line.467"></a> |
| <FONT color="green">468</FONT> final ArrayList dups = new ArrayList();<a name="line.468"></a> |
| <FONT color="green">469</FONT> <a name="line.469"></a> |
| <FONT color="green">470</FONT> for (int j = 0; j < nsorts; j++) {<a name="line.470"></a> |
| <FONT color="green">471</FONT> final Sort sort = (Sort) sortObjects.get(j);<a name="line.471"></a> |
| <FONT color="green">472</FONT> final int length = (sort._closureVars == null) ? 0 : <a name="line.472"></a> |
| <FONT color="green">473</FONT> sort._closureVars.size();<a name="line.473"></a> |
| <FONT color="green">474</FONT> <a name="line.474"></a> |
| <FONT color="green">475</FONT> for (int i = 0; i < length; i++) {<a name="line.475"></a> |
| <FONT color="green">476</FONT> final VariableRefBase varRef = (VariableRefBase) sort._closureVars.get(i);<a name="line.476"></a> |
| <FONT color="green">477</FONT> <a name="line.477"></a> |
| <FONT color="green">478</FONT> // Discard duplicate variable references<a name="line.478"></a> |
| <FONT color="green">479</FONT> if (dups.contains(varRef)) continue;<a name="line.479"></a> |
| <FONT color="green">480</FONT> <a name="line.480"></a> |
| <FONT color="green">481</FONT> final VariableBase var = varRef.getVariable();<a name="line.481"></a> |
| <FONT color="green">482</FONT> sortRecordFactory.addField(new Field(ACC_PUBLIC, <a name="line.482"></a> |
| <FONT color="green">483</FONT> cpg.addUtf8(var.getEscapedName()),<a name="line.483"></a> |
| <FONT color="green">484</FONT> cpg.addUtf8(var.getType().toSignature()),<a name="line.484"></a> |
| <FONT color="green">485</FONT> null, cpg.getConstantPool()));<a name="line.485"></a> |
| <FONT color="green">486</FONT> dups.add(varRef);<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> <a name="line.489"></a> |
| <FONT color="green">490</FONT> // Define a constructor for this class<a name="line.490"></a> |
| <FONT color="green">491</FONT> final org.apache.bcel.generic.Type[] argTypes = <a name="line.491"></a> |
| <FONT color="green">492</FONT> new org.apache.bcel.generic.Type[7];<a name="line.492"></a> |
| <FONT color="green">493</FONT> argTypes[0] = Util.getJCRefType(DOM_INTF_SIG);<a name="line.493"></a> |
| <FONT color="green">494</FONT> argTypes[1] = Util.getJCRefType(STRING_SIG);<a name="line.494"></a> |
| <FONT color="green">495</FONT> argTypes[2] = Util.getJCRefType(TRANSLET_INTF_SIG);<a name="line.495"></a> |
| <FONT color="green">496</FONT> argTypes[3] = Util.getJCRefType("[" + STRING_SIG);<a name="line.496"></a> |
| <FONT color="green">497</FONT> argTypes[4] = Util.getJCRefType("[" + STRING_SIG);<a name="line.497"></a> |
| <FONT color="green">498</FONT> argTypes[5] = Util.getJCRefType("[" + STRING_SIG);<a name="line.498"></a> |
| <FONT color="green">499</FONT> argTypes[6] = Util.getJCRefType("[" + STRING_SIG);<a name="line.499"></a> |
| <FONT color="green">500</FONT> <a name="line.500"></a> |
| <FONT color="green">501</FONT> final String[] argNames = new String[7];<a name="line.501"></a> |
| <FONT color="green">502</FONT> argNames[0] = DOCUMENT_PNAME;<a name="line.502"></a> |
| <FONT color="green">503</FONT> argNames[1] = "className";<a name="line.503"></a> |
| <FONT color="green">504</FONT> argNames[2] = TRANSLET_PNAME;<a name="line.504"></a> |
| <FONT color="green">505</FONT> argNames[3] = "order";<a name="line.505"></a> |
| <FONT color="green">506</FONT> argNames[4] = "type";<a name="line.506"></a> |
| <FONT color="green">507</FONT> argNames[5] = "lang";<a name="line.507"></a> |
| <FONT color="green">508</FONT> argNames[6] = "case_order";<a name="line.508"></a> |
| <FONT color="green">509</FONT> <a name="line.509"></a> |
| <FONT color="green">510</FONT> <a name="line.510"></a> |
| <FONT color="green">511</FONT> InstructionList il = new InstructionList();<a name="line.511"></a> |
| <FONT color="green">512</FONT> final MethodGenerator constructor =<a name="line.512"></a> |
| <FONT color="green">513</FONT> new MethodGenerator(ACC_PUBLIC,<a name="line.513"></a> |
| <FONT color="green">514</FONT> org.apache.bcel.generic.Type.VOID, <a name="line.514"></a> |
| <FONT color="green">515</FONT> argTypes, argNames, "<init>", <a name="line.515"></a> |
| <FONT color="green">516</FONT> className, il, cpg);<a name="line.516"></a> |
| <FONT color="green">517</FONT> <a name="line.517"></a> |
| <FONT color="green">518</FONT> // Push all parameters onto the stack and called super.<init>()<a name="line.518"></a> |
| <FONT color="green">519</FONT> il.append(ALOAD_0);<a name="line.519"></a> |
| <FONT color="green">520</FONT> il.append(ALOAD_1);<a name="line.520"></a> |
| <FONT color="green">521</FONT> il.append(ALOAD_2);<a name="line.521"></a> |
| <FONT color="green">522</FONT> il.append(new ALOAD(3));<a name="line.522"></a> |
| <FONT color="green">523</FONT> il.append(new ALOAD(4));<a name="line.523"></a> |
| <FONT color="green">524</FONT> il.append(new ALOAD(5));<a name="line.524"></a> |
| <FONT color="green">525</FONT> il.append(new ALOAD(6));<a name="line.525"></a> |
| <FONT color="green">526</FONT> il.append(new ALOAD(7));<a name="line.526"></a> |
| <FONT color="green">527</FONT> il.append(new INVOKESPECIAL(cpg.addMethodref(NODE_SORT_FACTORY,<a name="line.527"></a> |
| <FONT color="green">528</FONT> "<init>", <a name="line.528"></a> |
| <FONT color="green">529</FONT> "(" + DOM_INTF_SIG <a name="line.529"></a> |
| <FONT color="green">530</FONT> + STRING_SIG <a name="line.530"></a> |
| <FONT color="green">531</FONT> + TRANSLET_INTF_SIG <a name="line.531"></a> |
| <FONT color="green">532</FONT> + "[" + STRING_SIG<a name="line.532"></a> |
| <FONT color="green">533</FONT> + "[" + STRING_SIG<a name="line.533"></a> |
| <FONT color="green">534</FONT> + "[" + STRING_SIG<a name="line.534"></a> |
| <FONT color="green">535</FONT> + "[" + STRING_SIG + ")V")));<a name="line.535"></a> |
| <FONT color="green">536</FONT> il.append(RETURN);<a name="line.536"></a> |
| <FONT color="green">537</FONT> <a name="line.537"></a> |
| <FONT color="green">538</FONT> // Override the definition of makeNodeSortRecord()<a name="line.538"></a> |
| <FONT color="green">539</FONT> il = new InstructionList(); <a name="line.539"></a> |
| <FONT color="green">540</FONT> final MethodGenerator makeNodeSortRecord =<a name="line.540"></a> |
| <FONT color="green">541</FONT> new MethodGenerator(ACC_PUBLIC,<a name="line.541"></a> |
| <FONT color="green">542</FONT> Util.getJCRefType(NODE_SORT_RECORD_SIG), <a name="line.542"></a> |
| <FONT color="green">543</FONT> new org.apache.bcel.generic.Type[] { <a name="line.543"></a> |
| <FONT color="green">544</FONT> org.apache.bcel.generic.Type.INT,<a name="line.544"></a> |
| <FONT color="green">545</FONT> org.apache.bcel.generic.Type.INT },<a name="line.545"></a> |
| <FONT color="green">546</FONT> new String[] { "node", "last" }, "makeNodeSortRecord",<a name="line.546"></a> |
| <FONT color="green">547</FONT> className, il, cpg);<a name="line.547"></a> |
| <FONT color="green">548</FONT> <a name="line.548"></a> |
| <FONT color="green">549</FONT> il.append(ALOAD_0);<a name="line.549"></a> |
| <FONT color="green">550</FONT> il.append(ILOAD_1);<a name="line.550"></a> |
| <FONT color="green">551</FONT> il.append(ILOAD_2);<a name="line.551"></a> |
| <FONT color="green">552</FONT> il.append(new INVOKESPECIAL(cpg.addMethodref(NODE_SORT_FACTORY,<a name="line.552"></a> |
| <FONT color="green">553</FONT> "makeNodeSortRecord", "(II)" + NODE_SORT_RECORD_SIG)));<a name="line.553"></a> |
| <FONT color="green">554</FONT> il.append(DUP);<a name="line.554"></a> |
| <FONT color="green">555</FONT> il.append(new CHECKCAST(cpg.addClass(sortRecordClass)));<a name="line.555"></a> |
| <FONT color="green">556</FONT> <a name="line.556"></a> |
| <FONT color="green">557</FONT> // Initialize closure in record class<a name="line.557"></a> |
| <FONT color="green">558</FONT> final int ndups = dups.size();<a name="line.558"></a> |
| <FONT color="green">559</FONT> for (int i = 0; i < ndups; i++) {<a name="line.559"></a> |
| <FONT color="green">560</FONT> final VariableRefBase varRef = (VariableRefBase) dups.get(i);<a name="line.560"></a> |
| <FONT color="green">561</FONT> final VariableBase var = varRef.getVariable();<a name="line.561"></a> |
| <FONT color="green">562</FONT> final Type varType = var.getType();<a name="line.562"></a> |
| <FONT color="green">563</FONT> <a name="line.563"></a> |
| <FONT color="green">564</FONT> il.append(DUP);<a name="line.564"></a> |
| <FONT color="green">565</FONT> <a name="line.565"></a> |
| <FONT color="green">566</FONT> // Get field from factory class<a name="line.566"></a> |
| <FONT color="green">567</FONT> il.append(ALOAD_0);<a name="line.567"></a> |
| <FONT color="green">568</FONT> il.append(new GETFIELD(<a name="line.568"></a> |
| <FONT color="green">569</FONT> cpg.addFieldref(className,<a name="line.569"></a> |
| <FONT color="green">570</FONT> var.getEscapedName(), varType.toSignature())));<a name="line.570"></a> |
| <FONT color="green">571</FONT> <a name="line.571"></a> |
| <FONT color="green">572</FONT> // Put field in record class<a name="line.572"></a> |
| <FONT color="green">573</FONT> il.append(new PUTFIELD(<a name="line.573"></a> |
| <FONT color="green">574</FONT> cpg.addFieldref(sortRecordClass,<a name="line.574"></a> |
| <FONT color="green">575</FONT> var.getEscapedName(), varType.toSignature())));<a name="line.575"></a> |
| <FONT color="green">576</FONT> }<a name="line.576"></a> |
| <FONT color="green">577</FONT> il.append(POP);<a name="line.577"></a> |
| <FONT color="green">578</FONT> il.append(ARETURN);<a name="line.578"></a> |
| <FONT color="green">579</FONT> <a name="line.579"></a> |
| <FONT color="green">580</FONT> constructor.setMaxLocals();<a name="line.580"></a> |
| <FONT color="green">581</FONT> constructor.setMaxStack();<a name="line.581"></a> |
| <FONT color="green">582</FONT> sortRecordFactory.addMethod(constructor);<a name="line.582"></a> |
| <FONT color="green">583</FONT> makeNodeSortRecord.setMaxLocals();<a name="line.583"></a> |
| <FONT color="green">584</FONT> makeNodeSortRecord.setMaxStack();<a name="line.584"></a> |
| <FONT color="green">585</FONT> sortRecordFactory.addMethod(makeNodeSortRecord);<a name="line.585"></a> |
| <FONT color="green">586</FONT> xsltc.dumpClass(sortRecordFactory.getJavaClass());<a name="line.586"></a> |
| <FONT color="green">587</FONT> <a name="line.587"></a> |
| <FONT color="green">588</FONT> return className;<a name="line.588"></a> |
| <FONT color="green">589</FONT> }<a name="line.589"></a> |
| <FONT color="green">590</FONT> <a name="line.590"></a> |
| <FONT color="green">591</FONT> /**<a name="line.591"></a> |
| <FONT color="green">592</FONT> * Create a new auxillary class extending NodeSortRecord.<a name="line.592"></a> |
| <FONT color="green">593</FONT> */<a name="line.593"></a> |
| <FONT color="green">594</FONT> private static String compileSortRecord(Vector sortObjects,<a name="line.594"></a> |
| <FONT color="green">595</FONT> ClassGenerator classGen,<a name="line.595"></a> |
| <FONT color="green">596</FONT> MethodGenerator methodGen) {<a name="line.596"></a> |
| <FONT color="green">597</FONT> final XSLTC xsltc = ((Sort)sortObjects.firstElement()).getXSLTC();<a name="line.597"></a> |
| <FONT color="green">598</FONT> final String className = xsltc.getHelperClassName();<a name="line.598"></a> |
| <FONT color="green">599</FONT> <a name="line.599"></a> |
| <FONT color="green">600</FONT> // This generates a new class for handling this specific sort<a name="line.600"></a> |
| <FONT color="green">601</FONT> final NodeSortRecordGenerator sortRecord =<a name="line.601"></a> |
| <FONT color="green">602</FONT> new NodeSortRecordGenerator(className,<a name="line.602"></a> |
| <FONT color="green">603</FONT> NODE_SORT_RECORD,<a name="line.603"></a> |
| <FONT color="green">604</FONT> "sort$0.java",<a name="line.604"></a> |
| <FONT color="green">605</FONT> ACC_PUBLIC | ACC_SUPER | ACC_FINAL,<a name="line.605"></a> |
| <FONT color="green">606</FONT> new String[] {},<a name="line.606"></a> |
| <FONT color="green">607</FONT> classGen.getStylesheet());<a name="line.607"></a> |
| <FONT color="green">608</FONT> <a name="line.608"></a> |
| <FONT color="green">609</FONT> final ConstantPoolGen cpg = sortRecord.getConstantPool(); <a name="line.609"></a> |
| <FONT color="green">610</FONT> <a name="line.610"></a> |
| <FONT color="green">611</FONT> // Add a new instance variable for each var in closure<a name="line.611"></a> |
| <FONT color="green">612</FONT> final int nsorts = sortObjects.size();<a name="line.612"></a> |
| <FONT color="green">613</FONT> final ArrayList dups = new ArrayList();<a name="line.613"></a> |
| <FONT color="green">614</FONT> <a name="line.614"></a> |
| <FONT color="green">615</FONT> for (int j = 0; j < nsorts; j++) {<a name="line.615"></a> |
| <FONT color="green">616</FONT> final Sort sort = (Sort) sortObjects.get(j);<a name="line.616"></a> |
| <FONT color="green">617</FONT> <a name="line.617"></a> |
| <FONT color="green">618</FONT> // Set the name of the inner class in this sort object<a name="line.618"></a> |
| <FONT color="green">619</FONT> sort.setInnerClassName(className); <a name="line.619"></a> |
| <FONT color="green">620</FONT> <a name="line.620"></a> |
| <FONT color="green">621</FONT> final int length = (sort._closureVars == null) ? 0 : <a name="line.621"></a> |
| <FONT color="green">622</FONT> sort._closureVars.size();<a name="line.622"></a> |
| <FONT color="green">623</FONT> for (int i = 0; i < length; i++) {<a name="line.623"></a> |
| <FONT color="green">624</FONT> final VariableRefBase varRef = (VariableRefBase) sort._closureVars.get(i);<a name="line.624"></a> |
| <FONT color="green">625</FONT> <a name="line.625"></a> |
| <FONT color="green">626</FONT> // Discard duplicate variable references<a name="line.626"></a> |
| <FONT color="green">627</FONT> if (dups.contains(varRef)) continue;<a name="line.627"></a> |
| <FONT color="green">628</FONT> <a name="line.628"></a> |
| <FONT color="green">629</FONT> final VariableBase var = varRef.getVariable();<a name="line.629"></a> |
| <FONT color="green">630</FONT> sortRecord.addField(new Field(ACC_PUBLIC, <a name="line.630"></a> |
| <FONT color="green">631</FONT> cpg.addUtf8(var.getEscapedName()),<a name="line.631"></a> |
| <FONT color="green">632</FONT> cpg.addUtf8(var.getType().toSignature()),<a name="line.632"></a> |
| <FONT color="green">633</FONT> null, cpg.getConstantPool()));<a name="line.633"></a> |
| <FONT color="green">634</FONT> dups.add(varRef);<a name="line.634"></a> |
| <FONT color="green">635</FONT> }<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> MethodGenerator init = compileInit(sortObjects, sortRecord,<a name="line.638"></a> |
| <FONT color="green">639</FONT> cpg, className);<a name="line.639"></a> |
| <FONT color="green">640</FONT> MethodGenerator extract = compileExtract(sortObjects, sortRecord,<a name="line.640"></a> |
| <FONT color="green">641</FONT> cpg, className);<a name="line.641"></a> |
| <FONT color="green">642</FONT> sortRecord.addMethod(init);<a name="line.642"></a> |
| <FONT color="green">643</FONT> sortRecord.addMethod(extract);<a name="line.643"></a> |
| <FONT color="green">644</FONT> <a name="line.644"></a> |
| <FONT color="green">645</FONT> xsltc.dumpClass(sortRecord.getJavaClass());<a name="line.645"></a> |
| <FONT color="green">646</FONT> return className;<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> /**<a name="line.649"></a> |
| <FONT color="green">650</FONT> * Create a constructor for the new class. Updates the reference to the <a name="line.650"></a> |
| <FONT color="green">651</FONT> * collator in the super calls only when the stylesheet specifies a new<a name="line.651"></a> |
| <FONT color="green">652</FONT> * language in xsl:sort.<a name="line.652"></a> |
| <FONT color="green">653</FONT> */<a name="line.653"></a> |
| <FONT color="green">654</FONT> private static MethodGenerator compileInit(Vector sortObjects,<a name="line.654"></a> |
| <FONT color="green">655</FONT> NodeSortRecordGenerator sortRecord,<a name="line.655"></a> |
| <FONT color="green">656</FONT> ConstantPoolGen cpg,<a name="line.656"></a> |
| <FONT color="green">657</FONT> String className) <a name="line.657"></a> |
| <FONT color="green">658</FONT> {<a name="line.658"></a> |
| <FONT color="green">659</FONT> final InstructionList il = new InstructionList();<a name="line.659"></a> |
| <FONT color="green">660</FONT> final MethodGenerator init = <a name="line.660"></a> |
| <FONT color="green">661</FONT> new MethodGenerator(ACC_PUBLIC, <a name="line.661"></a> |
| <FONT color="green">662</FONT> org.apache.bcel.generic.Type.VOID, <a name="line.662"></a> |
| <FONT color="green">663</FONT> null, null, "<init>", className, <a name="line.663"></a> |
| <FONT color="green">664</FONT> il, cpg);<a name="line.664"></a> |
| <FONT color="green">665</FONT> <a name="line.665"></a> |
| <FONT color="green">666</FONT> // Call the constructor in the NodeSortRecord superclass<a name="line.666"></a> |
| <FONT color="green">667</FONT> il.append(ALOAD_0);<a name="line.667"></a> |
| <FONT color="green">668</FONT> il.append(new INVOKESPECIAL(cpg.addMethodref(NODE_SORT_RECORD,<a name="line.668"></a> |
| <FONT color="green">669</FONT> "<init>", "()V")));<a name="line.669"></a> |
| <FONT color="green">670</FONT> <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> il.append(RETURN);<a name="line.673"></a> |
| <FONT color="green">674</FONT> <a name="line.674"></a> |
| <FONT color="green">675</FONT> return init;<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> <a name="line.678"></a> |
| <FONT color="green">679</FONT> /**<a name="line.679"></a> |
| <FONT color="green">680</FONT> * Compiles a method that overloads NodeSortRecord.extractValueFromDOM()<a name="line.680"></a> |
| <FONT color="green">681</FONT> */<a name="line.681"></a> |
| <FONT color="green">682</FONT> private static MethodGenerator compileExtract(Vector sortObjects,<a name="line.682"></a> |
| <FONT color="green">683</FONT> NodeSortRecordGenerator sortRecord,<a name="line.683"></a> |
| <FONT color="green">684</FONT> ConstantPoolGen cpg,<a name="line.684"></a> |
| <FONT color="green">685</FONT> String className) {<a name="line.685"></a> |
| <FONT color="green">686</FONT> final InstructionList il = new InstructionList();<a name="line.686"></a> |
| <FONT color="green">687</FONT> <a name="line.687"></a> |
| <FONT color="green">688</FONT> // String NodeSortRecord.extractValueFromDOM(dom,node,level);<a name="line.688"></a> |
| <FONT color="green">689</FONT> final CompareGenerator extractMethod =<a name="line.689"></a> |
| <FONT color="green">690</FONT> new CompareGenerator(ACC_PUBLIC | ACC_FINAL,<a name="line.690"></a> |
| <FONT color="green">691</FONT> org.apache.bcel.generic.Type.STRING, <a name="line.691"></a> |
| <FONT color="green">692</FONT> new org.apache.bcel.generic.Type[] {<a name="line.692"></a> |
| <FONT color="green">693</FONT> Util.getJCRefType(DOM_INTF_SIG),<a name="line.693"></a> |
| <FONT color="green">694</FONT> org.apache.bcel.generic.Type.INT,<a name="line.694"></a> |
| <FONT color="green">695</FONT> org.apache.bcel.generic.Type.INT,<a name="line.695"></a> |
| <FONT color="green">696</FONT> Util.getJCRefType(TRANSLET_SIG),<a name="line.696"></a> |
| <FONT color="green">697</FONT> org.apache.bcel.generic.Type.INT<a name="line.697"></a> |
| <FONT color="green">698</FONT> },<a name="line.698"></a> |
| <FONT color="green">699</FONT> new String[] { "dom",<a name="line.699"></a> |
| <FONT color="green">700</FONT> "current",<a name="line.700"></a> |
| <FONT color="green">701</FONT> "level",<a name="line.701"></a> |
| <FONT color="green">702</FONT> "translet",<a name="line.702"></a> |
| <FONT color="green">703</FONT> "last"<a name="line.703"></a> |
| <FONT color="green">704</FONT> },<a name="line.704"></a> |
| <FONT color="green">705</FONT> "extractValueFromDOM", className, il, cpg);<a name="line.705"></a> |
| <FONT color="green">706</FONT> <a name="line.706"></a> |
| <FONT color="green">707</FONT> // Values needed for the switch statement<a name="line.707"></a> |
| <FONT color="green">708</FONT> final int levels = sortObjects.size();<a name="line.708"></a> |
| <FONT color="green">709</FONT> final int match[] = new int[levels];<a name="line.709"></a> |
| <FONT color="green">710</FONT> final InstructionHandle target[] = new InstructionHandle[levels];<a name="line.710"></a> |
| <FONT color="green">711</FONT> InstructionHandle tblswitch = null;<a name="line.711"></a> |
| <FONT color="green">712</FONT> <a name="line.712"></a> |
| <FONT color="green">713</FONT> // Compile switch statement only if the key has multiple levels<a name="line.713"></a> |
| <FONT color="green">714</FONT> if (levels > 1) {<a name="line.714"></a> |
| <FONT color="green">715</FONT> // Put the parameter to the swtich statement on the stack<a name="line.715"></a> |
| <FONT color="green">716</FONT> il.append(new ILOAD(extractMethod.getLocalIndex("level")));<a name="line.716"></a> |
| <FONT color="green">717</FONT> // Append the switch statement here later on<a name="line.717"></a> |
| <FONT color="green">718</FONT> tblswitch = il.append(new NOP());<a name="line.718"></a> |
| <FONT color="green">719</FONT> }<a name="line.719"></a> |
| <FONT color="green">720</FONT> <a name="line.720"></a> |
| <FONT color="green">721</FONT> // Append all the cases for the switch statment<a name="line.721"></a> |
| <FONT color="green">722</FONT> for (int level = 0; level < levels; level++) {<a name="line.722"></a> |
| <FONT color="green">723</FONT> match[level] = level;<a name="line.723"></a> |
| <FONT color="green">724</FONT> final Sort sort = (Sort)sortObjects.elementAt(level);<a name="line.724"></a> |
| <FONT color="green">725</FONT> target[level] = il.append(NOP);<a name="line.725"></a> |
| <FONT color="green">726</FONT> sort.translateSelect(sortRecord, extractMethod);<a name="line.726"></a> |
| <FONT color="green">727</FONT> il.append(ARETURN);<a name="line.727"></a> |
| <FONT color="green">728</FONT> }<a name="line.728"></a> |
| <FONT color="green">729</FONT> <a name="line.729"></a> |
| <FONT color="green">730</FONT> // Compile def. target for switch statement if key has multiple levels<a name="line.730"></a> |
| <FONT color="green">731</FONT> if (levels > 1) {<a name="line.731"></a> |
| <FONT color="green">732</FONT> // Append the default target - it will _NEVER_ be reached<a name="line.732"></a> |
| <FONT color="green">733</FONT> InstructionHandle defaultTarget =<a name="line.733"></a> |
| <FONT color="green">734</FONT> il.append(new PUSH(cpg, EMPTYSTRING));<a name="line.734"></a> |
| <FONT color="green">735</FONT> il.insert(tblswitch,new TABLESWITCH(match, target, defaultTarget));<a name="line.735"></a> |
| <FONT color="green">736</FONT> il.append(ARETURN);<a name="line.736"></a> |
| <FONT color="green">737</FONT> }<a name="line.737"></a> |
| <FONT color="green">738</FONT> <a name="line.738"></a> |
| <FONT color="green">739</FONT> return extractMethod;<a name="line.739"></a> |
| <FONT color="green">740</FONT> }<a name="line.740"></a> |
| <FONT color="green">741</FONT> }<a name="line.741"></a> |
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| </PRE> |
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