Java LineNumber.getLineNumber方法代码示例

import org.apache.bcel.classfile.LineNumber; //导入方法依赖的package包/类
/**
 * Create message for storage at message key. The message includes the
 * provided message, the method name and, if obtainable, the line number.
 */
private String createMessage(Method method, String message) {
	StringBuilder result = new StringBuilder();

	result.append(method.getName());
	LineNumberTable table = method.getLineNumberTable();

	if (table != null) {
		LineNumber[] lineNumbers = table.getLineNumberTable();
		LineNumber linenumber = lineNumbers[0];
		int number = linenumber.getLineNumber();
		result.append(" [" + number + "]");
	}

	result.append(": ");
	result.append(message);

	return result.toString();
}
 

import org.apache.bcel.classfile.LineNumber; //导入方法依赖的package包/类
private void foundSwitchNoDefault(SourceLineAnnotation s) {
    LineNumberTable table = getCode().getLineNumberTable();

    if (table != null) {
        int startLine = s.getStartLine();
        int prev = Integer.MIN_VALUE;
        for (LineNumber ln : table.getLineNumberTable()) {
            int thisLineNumber = ln.getLineNumber();
            if (thisLineNumber < startLine && thisLineNumber > prev && ln.getStartPC() < s.getStartBytecode())
                prev = thisLineNumber;
        }
        int diff = startLine - prev;
        if (diff > 5)
            return;

        bugAccumulator.accumulateBug(new BugInstance(this, "SF_SWITCH_NO_DEFAULT", NORMAL_PRIORITY).addClassAndMethod(this),
                s);
    }

}
 

import org.apache.bcel.classfile.LineNumber; //导入方法依赖的package包/类
private static SourceLineAnnotation forEntireMethod(String className, String sourceFile,
                                                    LineNumberTable lineNumberTable, int codeSize) {
	LineNumber[] table = lineNumberTable.getLineNumberTable();
	if (table != null && table.length > 0) {
		LineNumber first = table[0];
		LineNumber last = table[table.length - 1];
		return new SourceLineAnnotation(className, sourceFile, first.getLineNumber(), last.getLineNumber(),
		        0, codeSize - 1);
	} else {
		return createUnknown(className, sourceFile, 0, codeSize - 1);
	}
}
 

import org.apache.bcel.classfile.LineNumber; //导入方法依赖的package包/类
/**
 * Make a best-effort attempt to create a SourceLineAnnotation for the first
 * line of a method.
 *
 * @param methodDescriptor
 *            a method
 * @return SourceLineAnnotation describing the first line of the method
 *         (insofar as we can actually figure that out from the bytecode)
 */
public static SourceLineAnnotation forFirstLineOfMethod(MethodDescriptor methodDescriptor) {
    SourceLineAnnotation result = null;

    try {
        Method m = Global.getAnalysisCache().getMethodAnalysis(Method.class, methodDescriptor);
        XClass xclass = Global.getAnalysisCache().getClassAnalysis(XClass.class, methodDescriptor.getClassDescriptor());
        LineNumberTable lnt = m.getLineNumberTable();
        String sourceFile = xclass.getSource();
        if (sourceFile != null && lnt != null) {
            int firstLine = Integer.MAX_VALUE;
            int bytecode = 0;
            LineNumber[] entries = lnt.getLineNumberTable();
            for (LineNumber entry : entries) {
                if (entry.getLineNumber() < firstLine) {
                    firstLine = entry.getLineNumber();
                    bytecode = entry.getStartPC();
                }
            }
            if (firstLine < Integer.MAX_VALUE) {

                result = new SourceLineAnnotation(methodDescriptor.getClassDescriptor().toDottedClassName(), sourceFile,
                        firstLine, firstLine, bytecode, bytecode);
            }
        }
    } catch (CheckedAnalysisException e) {
        // ignore
    }

    if (result == null) {
        result = createUnknown(methodDescriptor.getClassDescriptor().toDottedClassName());
    }
    return result;
}
 

import org.apache.bcel.classfile.LineNumber; //导入方法依赖的package包/类
public static int getNextSourceLine(LineNumberTable lineNumbers, int sourceLine) {
    int result = Integer.MAX_VALUE;
    for (LineNumber ln : lineNumbers.getLineNumberTable()) {

        int thisLine = ln.getLineNumber();
        if (sourceLine < thisLine && thisLine < result)
            result = thisLine;
    }
    return result;

}
 

import org.apache.bcel.classfile.LineNumber; //导入方法依赖的package包/类
@Override
public void visitLineNumber(LineNumber obj) {
	if (obj.getLineNumber() > this.jClass.getLineCount()) {
		this.jClass.setLineCount(obj.getLineNumber());
	}
}
 

import org.apache.bcel.classfile.LineNumber; //导入方法依赖的package包/类
@Override
public void visit(LineNumber obj) {
    sawLineNumbers = true;
    int line = obj.getLineNumber();
    lines.set(line);
}
 

import org.apache.bcel.classfile.LineNumber; //导入方法依赖的package包/类
/**
 * Create a SourceLineAnnotation covering an entire method.
 *
 * @param className
 *            name of the class the method is in
 * @param sourceFile
 *            source file containing the method
 * @param lineNumberTable
 *            the method's LineNumberTable
 * @param codeSize
 *            size in bytes of the method's code
 * @return a SourceLineAnnotation covering the entire method
 */
public static SourceLineAnnotation forEntireMethod(@DottedClassName String className, String sourceFile, LineNumberTable lineNumberTable,
        int codeSize) {
    LineNumber[] table = lineNumberTable.getLineNumberTable();
    if (table != null && table.length > 0) {
        LineNumber first = table[0];
        LineNumber last = table[table.length - 1];
        return new SourceLineAnnotation(className, sourceFile, first.getLineNumber(), last.getLineNumber(), 0, codeSize - 1);
    } else {
        return createUnknown(className, sourceFile, 0, codeSize - 1);
    }
}