Package com.google.inject.internal.util

Class LineNumbers

java.lang.Object

com.google.inject.internal.util.LineNumbers

final class LineNumbers
extends Object

Looks up line numbers for classes and their members.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	LineNumbers.LineNumberReader

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	ASM_API_LEVEL
private int	firstLine
private final Map<String,Integer>	lines
private String	source
private final Class<?>	type

Constructor Summary

Constructors

Constructor	Description
LineNumbers(Class<?> type)	Reads line number information from the given class, if available.

Method Summary

Modifier and Type	Method	Description
int	getFirstLine()	Gets the first line number.
Integer	getLineNumber(Member member)	Get the line number associated with the given member.
String	getSource()	Get the source file name as read from the bytecode.
private String	memberKey(Member member)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

ASM_API_LEVEL

private static final int ASM_API_LEVEL

See Also:

• Constant Field Values

type

private final Class<?> type

lines

private final Map<String,Integer> lines

source

private String source

firstLine

private int firstLine

Constructor Details

LineNumbers

public LineNumbers(Class<?> type)
            throws IOException

Reads line number information from the given class, if available.

Parameters:

type - the class to read line number information from

Throws:

IOException

Method Details

getSource

public String getSource()

Get the source file name as read from the bytecode.

Returns:

the source file name if available, or null

getLineNumber

public Integer getLineNumber(Member member)

Get the line number associated with the given member.

Parameters:

member - a field, constructor, or method belonging to the class used during construction

Returns:

the wrapped line number, or null if not available

Throws:

IllegalArgumentException - if the member does not belong to the class used during construction

getFirstLine

public int getFirstLine()

Gets the first line number.

memberKey

private String memberKey(Member member)