tlang-runtime-compiler/TLang.Lexer/LexLineInfo.cs

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2023-07-27 03:31:32 +00:00
using System;
namespace TLang.Lexer
{
public class LexLineInfo : IEquatable<LexLineInfo>
{
public LexLineInfo()
{
Line = 1;
Position = 0;
Column = 1;
FileName="memory.tlang";
}
public string FileName {get;set;}
public int Line {get;set;}
public int Column {get;set;}
public int Position {get;set;}
public void AppendChar(char c)
{
Position++;
if(c == '\t')
{
Column += 4;
}
else if(c == '\r')
{
Column = 1;
}
else if(c == '\n')
{
Column = 1;
Line += 1;
}
else {
Column++;
}
}
public LexLineInfo Clone()
{
LexLineInfo lineInfo=new LexLineInfo();
lineInfo.Column = Column;
lineInfo.FileName = FileName;
lineInfo.Line = Line;
lineInfo.Position = Position;
return lineInfo;
}
public bool Equals(LexLineInfo other)
{
return Line == other.Line && Column == other.Column && FileName == other.FileName && Position == other.Position;
}
public override string ToString()
{
return $"in file: {FileName}:{Line} offset: {Position}, col: {Column}";
}
}
}