Inheritance diagram for IKVM.Attributes.LineNumberTableAttribute:

Classes
class	LineNumberWriter

Public Member Functions
	LineNumberTableAttribute (ushort lineno)

	LineNumberTableAttribute (byte[] table)

int	GetLineNumber (int ilOffset)

Detailed Description

Definition at line 30 of file LineNumberTableAttribute.cs.

Constructor & Destructor Documentation

◆ LineNumberTableAttribute() [1/2]

IKVM.Attributes.LineNumberTableAttribute.LineNumberTableAttribute ( ushort lineno )

Definition at line 35 of file LineNumberTableAttribute.cs.

        {
            LineNumberWriter w = new LineNumberWriter(1);
            w.AddMapping(0, lineno);
            table = w.ToArray();
        }

◆ LineNumberTableAttribute() [2/2]

IKVM.Attributes.LineNumberTableAttribute.LineNumberTableAttribute ( byte[] table )

Definition at line 42 of file LineNumberTableAttribute.cs.

        {
            this.table = table;
        }

Member Function Documentation

◆ GetLineNumber()

int IKVM.Attributes.LineNumberTableAttribute.GetLineNumber ( int ilOffset )

Definition at line 211 of file LineNumberTableAttribute.cs.

        {
            int i = 0;
            int prevILOffset = 0;
            int prevLineNum = ReadPackedInteger(ref i) + (64 + 50);
            int line;
            if(prevLineNum > 0)
            {
                line = prevLineNum;
            }
            else
            {
                prevLineNum = 4 * -prevLineNum;
                line = -1;
            }
            while(i < table.Length)
            {
                byte lead = table[i++];
                int deltaPC = lead & 31;
                int deltaLineNo = (lead >> 5) - 2;
                if(deltaPC == 31)
                {
                    deltaPC = ReadPackedInteger(ref i) + (64 + 31);
                }
                if(deltaLineNo == 5)
                {
                    deltaLineNo = ReadPackedInteger(ref i);
                }
                int currILOffset = prevILOffset + deltaPC;
                if(currILOffset > ilOffset)
                {
                    return line;
                }
                line = prevLineNum + deltaLineNo;
                prevILOffset = currILOffset;
                prevLineNum = line;
            }
            return line;
        }

The documentation for this class was generated from the following file:

src/IKVM.Runtime/Attributes/LineNumberTableAttribute.cs