public ICLS_Expression Compiler_Expression_Value(Token value, int pos)
{
if (value.type == TokenType.VALUE)
{
if (value.text[value.text.Length - 1] == 'f')
{
CLS_Value_Value <float> number = new CLS_Value_Value <float>();
number.value_value = float.Parse(value.text.Substring(0, value.text.Length - 1));
return(number);
}
else if (value.text.Contains("."))
{
CLS_Value_Value <double> number = new CLS_Value_Value <double>();
number.value_value = double.Parse(value.text);
return(number);
}
else
{
CLS_Value_Value <int> number = new CLS_Value_Value <int>();
number.value_value = int.Parse(value.text);
return(number);
}
}
else if (value.type == TokenType.STRING)
{
CLS_Value_Value <string> str = new CLS_Value_Value <string>();
str.value_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);
getvalue.value_name = value.text;
return(getvalue);
}
else
{
logger.Log_Error("无法识别的简单表达式" + value);
return(null);
}
}
public ICLS_Expression Compiler_Expression_Math(IList <Token> tlist, CLS_Content content, int pos, int posend)
{
IList <int> sps = SplitExpressionWithOp(tlist, pos, posend);
int oppos = GetLowestMathOp(tlist, sps);
if (oppos < 0)
{
////也有可能是类型转换
//if (posend >= pos + 3 && tlist[pos].text == "(" && tlist[pos].type == TokenType.PUNCTUATION && tlist[pos + 2].text == ")" && tlist[pos + 2].type == TokenType.PUNCTUATION
// && tlist[pos + 1].type == TokenType.TYPE
// )
//{
// ICLS_Expression v;
// bool succ = Compiler_Expression(tlist, content, pos + 3, posend, out v);
// CLS_Expression_TypeConvert convert = new CLS_Expression_TypeConvert();
// convert.listParam.Add(v);
// convert.targettype = content.environment.GetTypeByKeyword(tlist[pos + 1].text).type;
// return convert;
//}
//else if (tlist[pos + 1].type == TokenType.PUNCTUATION && tlist[pos + 1].text == "[")//函数表达式
//{
// return Compiler_Expression_IndexFind(tlist, content, pos, posend);
//}
if (tlist[pos + 1].type == TokenType.PUNCTUATION && tlist[pos + 1].text == "(")//函数表达式
{
return(Compiler_Expression_Function(tlist, content, pos, posend));
}
else
{
//if (!bTest && tlist[expbegin + 1].type == TokenType.PUNCTUATION && tlist[expbegin + 1].text == "(")//函数表达式
//{
// ICLS_Expression subvalue = Compiler_Expression_Function(tlist,content, expbegin, expend);
// if (null == subvalue) return false;
// else
// values.Add(subvalue);
// bTest = true;
//}
return(null);
}
}
else if (tlist[oppos].text == "." && pos == oppos - 1 && tlist[pos].type == TokenType.TYPE)
{
int right = oppos + 1;
int rightend = posend;
ICLS_Expression valueright;
bool succ2 = Compiler_Expression(tlist, content, right, rightend, out valueright);
if (succ2)
{
CLS_Expression_GetValue vg = valueright as CLS_Expression_GetValue;
CLS_Expression_Function vf = valueright as CLS_Expression_Function;
if (vg != null)
{
CLS_Expression_StaticFind value = new CLS_Expression_StaticFind(pos, rightend);
value.staticmembername = vg.value_name;
value.type = content.environment.GetTypeByKeyword(tlist[pos].text);
return(value);
}
else if (vf != null)
{
CLS_Expression_StaticFunction value = new CLS_Expression_StaticFunction(pos, rightend);
value.functionName = vf.funcname;
value.type = content.environment.GetTypeByKeyword(tlist[pos].text);
//value.listParam.Add(valueleft);
value.listParam.AddRange(vf.listParam.ToArray());
return(value);
}
else
{
throw new Exception("不可识别的表达式");
}
}
else
{
throw new Exception("不可识别的表达式");
}
}
else
{
int left = pos;
int leftend = oppos - 1;
int right = oppos + 1;
int rightend = posend;
if (tlist[oppos].text == "(")
{
ICLS_Expression v;
bool succ = Compiler_Expression(tlist, content, oppos + 3, posend, out v);
CLS_Expression_TypeConvert convert = new CLS_Expression_TypeConvert(pos, posend);
convert.listParam.Add(v);
convert.targettype = content.environment.GetTypeByKeyword(tlist[oppos + 1].text).type;
return(convert);
}
ICLS_Expression valueleft;
bool succ1 = Compiler_Expression(tlist, content, left, leftend, out valueleft);
ICLS_Expression valueright;
if (tlist[oppos].text == "[")
{
rightend--;
bool succs = Compiler_Expression(tlist, content, right, rightend, out valueright);
CLS_Expression_IndexFind value = new CLS_Expression_IndexFind(left, rightend);
value.listParam.Add(valueleft);
value.listParam.Add(valueright);
return(value);
}
else if (tlist[oppos].text == "as")
{
CLS_Expression_TypeConvert convert = new CLS_Expression_TypeConvert(left, oppos + 1);
convert.listParam.Add(valueleft);
convert.targettype = content.environment.GetTypeByKeyword(tlist[oppos + 1].text).type;
return(convert);
}
bool succ2 = Compiler_Expression(tlist, content, right, rightend, out valueright);
if (succ1 && succ2 && valueright != null && valueleft != null)
{
if (tlist[oppos].text == "=")
{
//member set
CLS_Expression_MemberFind mfinde = valueleft as CLS_Expression_MemberFind;
CLS_Expression_StaticFind sfinde = valueleft as CLS_Expression_StaticFind;
CLS_Expression_IndexFind ifinde = valueleft as CLS_Expression_IndexFind;
if (mfinde != null)
{
CLS_Expression_MemberSetValue value = new CLS_Expression_MemberSetValue(left, rightend);
value.membername = mfinde.membername;
value.listParam.Add(mfinde.listParam[0]);
value.listParam.Add(valueright);
return(value);
}
else if (sfinde != null)
{
CLS_Expression_StaticSetValue value = new CLS_Expression_StaticSetValue(left, rightend);
value.staticmembername = sfinde.staticmembername;
value.type = sfinde.type;
//value.listParam.Add(mfinde.listParam[0]);
value.listParam.Add(valueright);
return(value);
}
else if (ifinde != null)
{
CLS_Expression_IndexSetValue value = new CLS_Expression_IndexSetValue(left, rightend);
value.listParam.Add(ifinde.listParam[0]);
value.listParam.Add(ifinde.listParam[1]);
value.listParam.Add(valueright);
return(value);
}
else
{
throw new Exception("非法的Member Set表达式" + valueleft);
}
}
else if (tlist[oppos].text == ".")
{
//FindMember
CLS_Expression_GetValue vg = valueright as CLS_Expression_GetValue;
CLS_Expression_Function vf = valueright as CLS_Expression_Function;
if (vg != null)
{
CLS_Expression_MemberFind value = new CLS_Expression_MemberFind(left, rightend);
value.listParam.Add(valueleft);
value.membername = vg.value_name;
return(value);
}
else if (vf != null)
{
CLS_Expression_MemberFunction value = new CLS_Expression_MemberFunction(left, rightend);
value.functionName = vf.funcname;
value.listParam.Add(valueleft);
value.listParam.AddRange(vf.listParam.ToArray());
return(value);
}
else
{
throw new Exception("不可识别的表达式" + valueleft + "." + valueright);
}
//value.listParam.Add(valueright);
}
else if (tlist[oppos].text == "+=" || tlist[oppos].text == "-=" || tlist[oppos].text == "*=" || tlist[oppos].text == "/=" || tlist[oppos].text == "%=")
{
CLS_Expression_SelfOpWithValue value = new CLS_Expression_SelfOpWithValue(left, rightend);
value.value_name = ((CLS_Expression_GetValue)valueleft).value_name;
value.listParam.Add(valueright);
value.mathop = tlist[oppos].text[0];
return(value);
}
else if (tlist[oppos].text == "&&" || tlist[oppos].text == "||")
{
CLS_Expression_Math2ValueAndOr value = new CLS_Expression_Math2ValueAndOr(left, rightend);
value.listParam.Add(valueleft);
value.listParam.Add(valueright);
value.mathop = tlist[oppos].text[0];
return(value);
}
else if (tlist[oppos].text == ">" || tlist[oppos].text == ">=" || tlist[oppos].text == "<" || tlist[oppos].text == "<=" || tlist[oppos].text == "==" || tlist[oppos].text == "!=")
{
CLS_Expression_Math2ValueLogic value = new CLS_Expression_Math2ValueLogic(left, rightend);
value.listParam.Add(valueleft);
value.listParam.Add(valueright);
logictoken token = logictoken.not_equal;
if (tlist[oppos].text == ">")
{
token = logictoken.more;
}
else if (tlist[oppos].text == ">=")
{
token = logictoken.more_equal;
}
else if (tlist[oppos].text == "<")
{
token = logictoken.less;
}
else if (tlist[oppos].text == "<=")
{
token = logictoken.less_equal;
}
else if (tlist[oppos].text == "==")
{
token = logictoken.equal;
}
else if (tlist[oppos].text == "!=")
{
token = logictoken.not_equal;
}
value.mathop = token;
return(value);
}
else
{
char mathop = tlist[oppos].text[0];
if (mathop == '?')
{
CLS_Expression_Math3Value value = new CLS_Expression_Math3Value(left, rightend);
value.listParam.Add(valueleft);
CLS_Expression_Math2Value vvright = valueright as CLS_Expression_Math2Value;
if (vvright.mathop != ':')
{
throw new Exception("三元表达式异常");
}
value.listParam.Add(vvright.listParam[0]);
value.listParam.Add(vvright.listParam[1]);
return(value);
}
else
{
CLS_Expression_Math2Value value = new CLS_Expression_Math2Value(left, rightend);
value.listParam.Add(valueleft);
value.listParam.Add(valueright);
value.mathop = mathop;
return(value);
}
}
}
else
{
LogError(tlist, "编译表达式失败", right, rightend);
}
}
return(null);
}
public ICLS_Expression Compiler_Expression_Value(Token value,int pos)
{
if (value.type == TokenType.VALUE)
{
if(value.text[value.text.Length-1]=='f')
{
CLS_Value_Value<float> number = new CLS_Value_Value<float>();
number.value_value = float.Parse(value.text.Substring(0,value.text.Length-1));
return number;
}
else if (value.text.Contains("."))
{
CLS_Value_Value<double> number = new CLS_Value_Value<double>();
number.value_value = double.Parse(value.text);
return number;
}
else
{
CLS_Value_Value<int> number = new CLS_Value_Value<int>();
number.value_value = int.Parse(value.text);
return number;
}
}
else if (value.type == TokenType.STRING)
{
CLS_Value_Value<string> str = new CLS_Value_Value<string>();
str.value_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);
getvalue.value_name = value.text;
return getvalue;
}
else
{
logger.Log_Error("无法识别的简单表达式" + value);
return null;
}
}