ICLS_Expression OptimizeSingle(ICLS_Expression expr, CLS_Content content)
{
if (expr is CLS_Expression_Math2Value || expr is CLS_Expression_Math2ValueAndOr || expr is CLS_Expression_Math2ValueLogic)
{
if (expr.listParam[0] is ICLS_Value && expr.listParam[1] is ICLS_Value)
{
CLS_Content.Value result = expr.ComputeValue(content);
if ((Type)result.type == typeof(bool))
{
CLS_Expression_Value <bool> value = new CLS_Expression_Value <bool>();
value.value = (bool)result.value;
value.tokenBegin = expr.listParam[0].tokenBegin;
value.tokenEnd = expr.listParam[1].tokenEnd;
value.lineBegin = expr.listParam[0].lineBegin;
value.lineEnd = expr.listParam[1].lineEnd;
return(value);
}
else
{
ICLS_Type v = content.environment.GetType(result.type);
ICLS_Value value = v.MakeValue(result.value);
value.tokenBegin = expr.listParam[0].tokenBegin;
value.tokenEnd = expr.listParam[1].tokenEnd;
value.lineBegin = expr.listParam[0].lineBegin;
value.lineEnd = expr.listParam[1].lineEnd;
return(value as ICLS_Expression);
}
}
}
if (expr is CLS_Expression_Math3Value)
{
CLS_Content.Value result = expr.listParam[0].ComputeValue(content);
if ((Type)result.type == typeof(bool))
{
bool bv = (bool)result.value;
if (bv)
{
return(expr.listParam[1]);
}
else
{
return(expr.listParam[2]);
}
}
}
return(expr);
}
ICLS_Expression CreateValueExpression(long val)
{
if (val > uint.MaxValue || val < int.MinValue)
{
CLS_Expression_Value <long> number = new CLS_Expression_Value <long>();
number.value = val;
return(number);
}
else if (val > int.MaxValue)
{
CLS_Expression_Value <uint> number = new CLS_Expression_Value <uint>();
number.value = (uint)val;
return(number);
}
else
{
CLS_Expression_Value <int> number = new CLS_Expression_Value <int>();
number.value = (int)val;
return(number);
}
}
public ICLS_Expression Compiler_Expression_Value(Token value, int pos)
{
if (value.type == TokenType.VALUE)
{
if (value.text.StartsWith("-0x") || value.text.StartsWith("-0X"))
{
long lv = -Convert.ToInt64(value.text.Substring(1), 16);
return(CreateValueExpression(lv));
}
else if (value.text.StartsWith("0x") || value.text.StartsWith("0X"))
{
long lv = Convert.ToInt64(value.text, 16);
return(CreateValueExpression(lv));
}
else if (value.text[value.text.Length - 1] == 'f')
{
CLS_Expression_Value <float> number = new CLS_Expression_Value <float>();
number.value = float.Parse(value.text.Substring(0, value.text.Length - 1));
return(number);
}
else if (value.text.Contains("."))
{
CLS_Expression_Value <double> number = new CLS_Expression_Value <double>();
number.value = double.Parse(value.text);
return(number);
}
else if (value.text.Contains("'"))
{
CLS_Expression_Value <char> number = new CLS_Expression_Value <char>();
number.value = (char)value.text[1];
return(number);
}
else if (value.text.StartsWith("-"))
{
long lv = long.Parse(value.text);
return(CreateValueExpression(lv));
}
else
{
long lv = long.Parse(value.text);
return(CreateValueExpression(lv));
}
}
else if (value.type == TokenType.STRING)
{
CLS_Expression_Value <string> str = new CLS_Expression_Value <string>();
str.value = value.text.Substring(1, value.text.Length - 2);
return(str);
}
else if (value.type == TokenType.IDENTIFIER)
{
CLS_Expression_GetValue getvalue = new CLS_Expression_GetValue(pos, pos, value.line, value.line);
getvalue.value_name = value.text;
return(getvalue);
}
else if (value.type == TokenType.TYPE)
{
CLS_Expression_GetValue getvalue = new CLS_Expression_GetValue(pos, pos, value.line, value.line);
int l = value.text.LastIndexOf('.');
if (l >= 0)
{
getvalue.value_name = value.text.Substring(l + 1);
}
else
{
getvalue.value_name = value.text;
}
return(getvalue);
}
logger.Log_Error("无法识别的简单表达式" + value);
return(null);
}
