1. /*

  2.  * Copyright 2001-2004 The Apache Software Foundation.

  3.  *

  4.  * Licensed under the Apache License, Version 2.0 (the "License");

  5.  * you may not use this file except in compliance with the License.

  6.  * You may obtain a copy of the License at

  7.  *

  8.  *     http://www.apache.org/licenses/LICENSE-2.0

  9.  *

  10.  * Unless required by applicable law or agreed to in writing, software

  11.  * distributed under the License is distributed on an "AS IS" BASIS,

  12.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  13.  * See the License for the specific language governing permissions and

  14.  * limitations under the License.

  15.  */

  16. /*

  17.  * $Id: GenerateIdCall.java,v 1.7 2004/02/16 22:24:29 minchau Exp $

  18.  */

  19. 

  20. package com.sun.org.apache.xalan.internal.xsltc.compiler;

  21. 

  22. import java.util.Vector;

  23. 

  24. import com.sun.org.apache.bcel.internal.generic.ConstantPoolGen;

  25. import com.sun.org.apache.bcel.internal.generic.INVOKESTATIC;

  26. import com.sun.org.apache.bcel.internal.generic.InstructionList;

  27. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ClassGenerator;

  28. import com.sun.org.apache.xalan.internal.xsltc.compiler.util.MethodGenerator;

  29. 

  30. /**

  31.  * @author Jacek Ambroziak

  32.  * @author Santiago Pericas-Geertsen

  33.  */

  34. final class GenerateIdCall extends FunctionCall {

  35.     public GenerateIdCall(QName fname, Vector arguments) {

  36. 	super(fname, arguments);

  37.     }

  38. 

  39.     public void translate(ClassGenerator classGen, MethodGenerator methodGen) {

  40. 	final InstructionList il = methodGen.getInstructionList();

  41. 	if (argumentCount() == 0) {

  42. 	   il.append(methodGen.loadContextNode());

  43. 	}

  44. 	else {			// one argument

  45. 	    argument().translate(classGen, methodGen);

  46. 	}

  47. 	final ConstantPoolGen cpg = classGen.getConstantPool();

  48. 	il.append(new INVOKESTATIC(cpg.addMethodref(BASIS_LIBRARY_CLASS,

  49. 						    "generate_idF",

  50. 						    // reuse signature

  51. 						    GET_NODE_NAME_SIG)));

  52.     }

  53. }