private TokenBuffer GetNumber(int c)
{
if (c == '0')
{
int buf = this.Reader.Peek();
if (buf == 'x' || buf == 'X')
{
this.Reader.Read();
if (!EcmaChar.IsHexDigit(this.Reader.Peek()))
{
throw new EcmaRuntimeException("After 0X there must be a hex digit");
}
return(new TokenBuffer(TokenType.Number, Convert.ToUInt32(((char)this.Reader.Read()).ToString(), 16).ToString(), this.LastLineStart));
}
}
StringBuilder builder = new StringBuilder();
builder.Append((char)c);
GetInt(builder);
if (this.Reader.Peek() == '.')
{
this.Reader.Read();
builder.Append(".");
this.GetInt(builder);
}
if (this.Reader.Peek() == 'e' || this.Reader.Peek() == 'E')
{
builder.Append((char)this.Reader.Read());
}
return(new TokenBuffer(TokenType.Number, builder.ToString(), this.LastLineStart));
}
private char GetStringUnicode()
{
StringBuilder builder = new StringBuilder();
if (!EcmaChar.IsHexDigit(this.Reader.Peek()))
{
throw new EcmaRuntimeException("After \\u there must be a hex digit");
}
builder.Append((char)this.Reader.Read());
if (!EcmaChar.IsHexDigit(this.Reader.Peek()))
{
throw new EcmaRuntimeException("After \\u[hex] there must be a hex digit");
}
builder.Append((char)this.Reader.Read());
if (!EcmaChar.IsHexDigit(this.Reader.Peek()))
{
throw new EcmaRuntimeException("After \\u[hex][hex] there must be a hex digit");
}
builder.Append((char)this.Reader.Read());
if (!EcmaChar.IsHexDigit(this.Reader.Peek()))
{
throw new EcmaRuntimeException("After \\u[hex][hex][hex] there must be a hex digit");
}
builder.Append((char)this.Reader.Read());
return((char)Convert.ToUInt32(builder.ToString(), 16));
}
