Example usage for org.eclipse.jdt.core.util IMethodInfo getCodeAttribute

Introduction

In this page you can find the example usage for org.eclipse.jdt.core.util IMethodInfo getCodeAttribute.

Prototype

ICodeAttribute getCodeAttribute();

Source Link

Document

Answer the code attribute of this method info, null if none or if the decoding flag doesn't include METHOD_BODIES.

Usage

From source file:org.eclipse.objectteams.otdt.tests.compiler.smap.Requestor.java

License:Open Source License

protected void outputClassFiles(CompilationResult unitResult) {
    if ((unitResult != null) && (!unitResult.hasErrors() || forceOutputGeneration)) {
        ClassFile[] classFiles = unitResult.getClassFiles();
        for (int i = 0, fileCount = classFiles.length; i < fileCount; i++) {
            // retrieve the key and the corresponding classfile
            ClassFile classFile = classFiles[i];
            if (outputPath != null) {
                String relativeName = new String(classFile.fileName()).replace('/', File.separatorChar)
                        + ".class";
                try {
                    org.eclipse.jdt.internal.compiler.util.Util.writeToDisk(true, outputPath, relativeName,
                            classFile);//from   ww w .  j a va 2 s  . c  o m
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (this.lineNumbers != null) {
                ClassFileReader cfr;
                try {
                    cfr = new ClassFileReader(classFile.getBytes(),
                            IClassFileReader.METHOD_INFOS | IClassFileReader.METHOD_BODIES);
                } catch (ClassFormatException e) {
                    throw new AssertionFailedError("Can't read class file: " + e.getMessage());
                }
                for (IMethodInfo method : cfr.getMethodInfos()) {
                    String fullMethodDesignator = String
                            .valueOf(CharOperation.concatWith(classFile.getCompoundName(),
                                    CharOperation.concat(method.getName(), method.getDescriptor()), '.'));
                    int[] expectedNumbers = this.lineNumbers.get(fullMethodDesignator);
                    if (expectedNumbers != null) {
                        this.lineNumbers.remove(fullMethodDesignator);
                        ILineNumberAttribute lineNumberAttribute = method.getCodeAttribute()
                                .getLineNumberAttribute();
                        int[][] table = lineNumberAttribute.getLineNumberTable();
                        Assert.assertEquals("wrong number of line numbers", expectedNumbers.length,
                                table.length);
                        for (int n = 0; n < expectedNumbers.length; n++)
                            Assert.assertEquals("wrong line numeber", expectedNumbers[n], table[n][1]);
                    }
                }
            }
        }
    }
}

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