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Viewing changes to src/net/sourceforge/cobertura/instrument/SecondPassMethodInstrumenter.java

  • Committer: Bazaar Package Importer
  • Author(s): Miguel Landaeta
  • Date: 2010-05-11 19:21:46 UTC
  • mfrom: (0.1.4 sid) (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20100511192146-j742v5jsl89ztndu
Tags: 1.9.4.1+dfsg-2
http://bugs.debian.org/580842
* Now Build-Depends on libservlet2.5-java and add a missing Depends
  on the same package. (Closes: #580842). 
* Simplify list of JRE dependences for cobertura and drop JRE dependences for
  libcobertura-java as Java libraries are no longer required to depend on a
  JVM.

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src/net/sourceforge/cobertura/instrument/SecondPassMethodInstrumenter.java
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 *
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 * Copyright (C) 2005 Mark Doliner
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 * Copyright (C) 2006 Jiri Mares
 
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 * Copyright (C) 2010 Piotr Tabor
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 *
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 * Cobertura is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published
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 */
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public class SecondPassMethodInstrumenter extends NewLocalVariableMethodAdapter implements Opcodes
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{
 
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        private String TOUCH_COLLECTOR_CLASS="net/sourceforge/cobertura/coveragedata/TouchCollector";
 
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        private int currentLine;
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        private int currentJump;
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                currentLine = line;
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                currentJump = 0;
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                instrumentGetClassData();
 
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                instrumentOwnerClass();
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                // Mark the current line number as covered:
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                // classData.touch(line)
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                mv.visitIntInsn(SIPUSH, line);
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                mv.visitMethodInsn(INVOKEVIRTUAL,
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                                "net/sourceforge/cobertura/coveragedata/ClassData", "touch",
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                                "(I)V");
 
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                mv.visitMethodInsn(INVOKESTATIC,
 
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                                TOUCH_COLLECTOR_CLASS, "touch",
 
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                                "(Ljava/lang/String;I)V");
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                super.visitLineNumber(line, start);
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        }
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                        if (lastJump != null) 
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                        { //this is also label after jump - we have to check the branch number whether this is the true or false branch
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                                Label newLabelX = instrumentIsLastJump();
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                                instrumentGetClassData();
 
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                                instrumentOwnerClass();
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                                instrumentPutLineAndBranchNumbers();
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                                mv.visitInsn(BOOLEAN_FALSE);
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                                instrumentInvokeTouchJump();
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                                mv.visitLabel(newLabelX);
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                                mv.visitVarInsn(ILOAD, myVariableIndex + 1);
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                                mv.visitJumpInsn(IFLT, newLabelY);
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                                instrumentGetClassData();
 
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                                instrumentOwnerClass();
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                                instrumentPutLineAndBranchNumbers();
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                                mv.visitInsn(BOOLEAN_TRUE);
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                                instrumentInvokeTouchJump();
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                }
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        }
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        private void instrumentGetClassData()
 
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        private void instrumentOwnerClass()
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        {
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                // Get an instance of ProjectData:
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                // ProjectData.getGlobalProjectData()
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                mv.visitMethodInsn(INVOKESTATIC,
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                                "net/sourceforge/cobertura/coveragedata/ProjectData",
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                                "getGlobalProjectData",
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                                "()Lnet/sourceforge/cobertura/coveragedata/ProjectData;");
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                // Get the ClassData object for this class:
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                // projectData.getClassData("name.of.this.class")
 
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                // OwnerClass is the name of the class being instrumented
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                mv.visitLdcInsn(firstPass.getOwnerClass());
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                mv
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                        .visitMethodInsn(INVOKEVIRTUAL,
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                                        "net/sourceforge/cobertura/coveragedata/ProjectData",
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                                        "getOrCreateClassData",
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                                        "(Ljava/lang/String;)Lnet/sourceforge/cobertura/coveragedata/ClassData;");
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        }
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        private void instrumentSwitchHit(int lineNumber, int switchNumber, int branch)
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        {
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                instrumentGetClassData();
 
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                instrumentOwnerClass();
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                //Invoke the touchSwitch(lineNumber, switchNumber, branch)
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                mv.visitIntInsn(SIPUSH, lineNumber);
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        private void instrumentJumpHit(boolean branch)
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        {
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                instrumentGetClassData();
 
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                instrumentOwnerClass();
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                //Invoke the touchJump(lineNumber, branchNumber, branch)
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                instrumentPutLineAndBranchNumbers();
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        private void instrumentInvokeTouchJump()
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        {
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                mv.visitMethodInsn(INVOKEVIRTUAL, "net/sourceforge/cobertura/coveragedata/ClassData", "touchJump", "(IIZ)V");
 
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                mv.visitMethodInsn(INVOKESTATIC, TOUCH_COLLECTOR_CLASS, "touchJump", "(Ljava/lang/String;IIZ)V");
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                mv.visitIntInsn(SIPUSH, -1); //is important to reset current branch, because we have to know that the branch info on stack has already been used and can't be used
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                mv.visitVarInsn(ISTORE, myVariableIndex + 1);
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        }
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        private void instrumentInvokeTouchSwitch()
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        {
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                mv.visitMethodInsn(INVOKEVIRTUAL, "net/sourceforge/cobertura/coveragedata/ClassData", "touchSwitch", "(III)V");
 
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                mv.visitMethodInsn(INVOKESTATIC, TOUCH_COLLECTOR_CLASS, "touchSwitch", "(Ljava/lang/String;III)V");
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        }
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        private void instrumentPutLineAndBranchNumbers()