//----------------------------------------
// Relational and type testing (<, >, <=, >=, is, as)
//----------------------------------------
private void eval_exp17()
{
eval_exp18();
if (currentToken.Type == StiTokenType.Left || currentToken.Type == StiTokenType.LeftEqual ||
currentToken.Type == StiTokenType.Right || currentToken.Type == StiTokenType.RightEqual)
{
StiAsmCommand command = null;
if (currentToken.Type == StiTokenType.Left)
{
command = new StiAsmCommand(StiAsmCommandType.CompareLeft);
}
if (currentToken.Type == StiTokenType.LeftEqual)
{
command = new StiAsmCommand(StiAsmCommandType.CompareLeftEqual);
}
if (currentToken.Type == StiTokenType.Right)
{
command = new StiAsmCommand(StiAsmCommandType.CompareRight);
}
if (currentToken.Type == StiTokenType.RightEqual)
{
command = new StiAsmCommand(StiAsmCommandType.CompareRightEqual);
}
get_token();
eval_exp18();
asmList.Add(command);
}
}
//----------------------------------------
// Shift (<<, >>)
//----------------------------------------
private void eval_exp18()
{
eval_exp2();
if ((currentToken.Type == StiTokenType.Shl) || (currentToken.Type == StiTokenType.Shr))
{
StiAsmCommand command = new StiAsmCommand(StiAsmCommandType.Shl);
if (currentToken.Type == StiTokenType.Shr)
{
command.Type = StiAsmCommandType.Shr;
}
get_token();
eval_exp2();
asmList.Add(command);
}
}
//----------------------------------------
// Equality (==, !=)
//----------------------------------------
private void eval_exp16()
{
eval_exp17();
if (currentToken.Type == StiTokenType.Equal || currentToken.Type == StiTokenType.NotEqual)
{
StiAsmCommand command = new StiAsmCommand(StiAsmCommandType.CompareEqual);
if (currentToken.Type == StiTokenType.NotEqual)
{
command.Type = StiAsmCommandType.CompareNotEqual;
}
get_token();
eval_exp17();
asmList.Add(command);
}
}
//----------------------------------------
// Вычисление унарного + и -
//----------------------------------------
private void eval_exp5()
{
StiAsmCommand command = null;
if (currentToken.Type == StiTokenType.Plus || currentToken.Type == StiTokenType.Minus || currentToken.Type == StiTokenType.Not)
{
if (currentToken.Type == StiTokenType.Minus)
{
command = new StiAsmCommand(StiAsmCommandType.Neg);
}
if (currentToken.Type == StiTokenType.Not)
{
command = new StiAsmCommand(StiAsmCommandType.Not);
}
get_token();
}
eval_exp6();
if (command != null)
{
asmList.Add(command);
}
}
