public bool CheckOne() //no more then return false;
{
var s = m_sr.get();
if (m_sr.m_err == SrcReader.ERR.eof)
{
var vtmp = new VALUE();
vtmp.type = YDEF.EOF;
add(vtmp);
end_line();
return(false);
}
int wdlen;
var v = lexUtil.GetWord(out wdlen, m_c, m_sr.m_src, m_l);
m_c += wdlen;
add(v);
if (v.type == YDEF.ERROR)
{
sys.error(string.Format("L:{0}C:{1}>{2}", v.dbg_line, v.dbg_col, v.s));
return(false);
}
if (v.type == YDEF.EOL)
{
end_line();
//m_l++;
//m_c = 0;
}
return(true);
}
private static VALUE find(VALUE v, object[] o)
{
var t = getyp(o);
var fv = v.FindValueByTravarse(t);
return(fv);
}
public bool ReplaceValueByTravarse(int itype, VALUE dst) //トラバースして、最初に見つけたのを入れ替える。
{
if (itype == type) //自身の入れ替えはＮＧ
{
sys.logline("Unexpected. Cannot replace self");
return(false);
}
if (list == null)
{
return(false);
}
for (int i = 0; i < list.Count; i++)
{
if (list[i].type == itype)
{
list[i] = dst;
return(true);
}
}
for (int i = 0; i < list.Count; i++)
{
if (list[i].ReplaceValueByTravarse(itype, dst))
{
return(true);
}
}
return(false);
}
public bool CheckOne() //no more then return false;
{
if (m_l >= m_lines.Length)
{
var vtmp = new VALUE();
vtmp.type = YDEF.EOF;
add(vtmp);
end_line();
return(false);
}
int wdlen;
var v = lexUtil.GetWord(out wdlen, m_c, m_lines[m_l], m_l);
m_c += wdlen;
add(v);
if (v.type == YDEF.ERROR)
{
sys.error(string.Format("L:{0}C:{1}>{2}", v.dbg_line, v.dbg_col, v.s));
return(false);
}
if (v.type == YDEF.EOL)
{
end_line();
m_l++;
m_c = 0;
}
return(true);
}
void add(VALUE v)
{
if (m_curline_value == null)
{
m_curline_value = new List <VALUE>();
}
m_curline_value.Add(v);
}
public static void error(string s, VALUE v = null)
{
int line = -1;
if (v != null)
{
line = v.get_dbg_line();
}
string es = "ERROR" + (line >= 0 ? "(L:" + (line + 1).ToString() + ")" : "") + ":" + s;
Console.WriteLine(es);
throw new SystemException(es);
}
static VALUE any_return(VALUE v, int type, double?n = null, string s = null)
{
v.type = type;
if (n != null)
{
v.o = v.n = (double)n;
}
if (s != null)
{
v.s = s;
if (v.o == null)
{
v.o = v.s;
}
}
if (v.o == null)
{
v.o = type;
}
return(v);
}
private static bool replace_l(List <VALUE> l, int typ, VALUE dst)
{
for (int i = 0; i < l.Count; i++)
{
var v = l[i];
if (v.type == typ)
{
l[i] = dst;
return(true);
}
}
for (int i = 0; i < l.Count; i++)
{
var v = l[i];
var b = replace(v, typ, dst);
if (b)
{
return(true);
}
}
return(false);
}
private static bool replace(VALUE src, int typ, VALUE dst)
{
return(src.ReplaceValueByTravarse(typ, dst));
}
private static VALUE find(VALUE v, int typ)
{
var fv = v.FindValueByTravarse(typ);
return(fv);
}
public List <List <VALUE> > PreProcess(List <List <VALUE> > src)
{
Hashtable ht = new Hashtable(); //変数用
var out_list = new List <List <VALUE> >();
bool bIfZone = false;
bool?bIfTree = null;
foreach (var l in src)
{
if (l.Count == 0)
{
continue;
}
VALUE v0 = l[0];
if (v0.IsType(getyp(YDEF.sx_prepro_setence))) //#if #elif #else #endif
{
if (v0.IsType(getyp(YDEF.sx_pif_sentence))) //#if
{
if (bIfZone)
{
sys.error("Not supported Dual #if");
}
bIfZone = true;
var func = find(v0, YDEF.sx_function);
if (func == null)
{
sys.error("Can not find function for #if", v0);
}
bIfTree = runtime.PreProcessFunction.Execute(func);
continue;
}
if (v0.IsType(getyp(YDEF.sx_pelif_sentence)))//#elif
{
if (!bIfZone)
{
sys.error("Preceed #if does not exist", v0);
}
if (bIfTree == true)
{
bIfTree = null;
}
if (bIfTree == null)
{
sys.logline("skip");
}
var func = find(v0, YDEF.sx_function);
if (func == null)
{
sys.error("Can not find function for #elif", v0);
}
bIfTree = runtime.PreProcessFunction.Execute(func);
continue;
}
if (v0.IsType(getyp(YDEF.sx_pelse_sentence)))//else
{
if (!bIfZone)
{
sys.error("Preceed #if does not exist", v0);
}
if (bIfTree == true)
{
bIfTree = null;
}
if (bIfTree == null)
{
sys.logline("skip");
}
else
{
bIfTree = true;
}
continue;
}
if (v0.IsType(getyp(YDEF.sx_pendif_sentence)))//endif
{
if (!bIfZone)
{
sys.error("Preceed #if does not exist", v0);
}
bIfZone = false;
bIfTree = null;
continue;
}
if (v0.IsType(getyp(YDEF.sx_pset_sentence)))//set
{
//#set will process later.
}
else //以外はエラー
{
sys.error("Unexpected", v0);
}
}
if (bIfZone == false || (bIfZone == true && bIfTree == true))
{
if (v0.IsType(getyp(YDEF.sx_pset_sentence)))
{
var varv = find(v0, YDEF.VAR);
if (varv == null)
{
sys.error("Cannot find set variable", v0);
}
var rest = find(v0, YDEF.REST);
if (rest == null)
{
sys.error("Cannot find set rest", v0);
}
ht[varv.GetString()] = rest;
continue;
}
var findvar = find_l(l, YDEF.VAR);
if (findvar != null)
{
var key = findvar.GetString();
if (ht.ContainsKey(key))
{
if (!replace_l(l, YDEF.VAR, (VALUE)ht[key]))
{
sys.error("Cannot converted", v0);
}
}
else
{
sys.error(key + " has not been defined", v0);
}
}
var newl = l;
YDEF.insert_rest_children_if_use(ref newl);
out_list.Add(newl);
}
}
//dbg_out_list = out_list;
return(out_list);
}
void add(VALUE v)
{
m_value_list.Add(v);
}
// -- util for this clas --
static VALUE err_return(VALUE v, string s)
{
v.type = YDEF.ERROR;
v.o = v.s = s;
return(v);
}
public static VALUE GetWord(out int wdlen, int col, string i_line, int dbg_line = -1)
{
var v = new VALUE();
v.type = YDEF.UNKNOWN;
v.dbg_col = col;
v.dbg_line = dbg_line;
wdlen = 0;
if (string.IsNullOrEmpty(i_line))
{
wdlen = 1; return(any_return(v, YDEF.EOL));
}
var line = i_line.TrimEnd();
if (string.IsNullOrEmpty(line) || col >= line.Length)
{
wdlen = 1; return(any_return(v, YDEF.EOL));
}
var ls = i_line.Substring(col);
if (string.IsNullOrEmpty(ls))
{
wdlen = 1; return(any_return(v, YDEF.EOL));
}
//コメントは全部
if (ls.StartsWith(YDEF.CMTSTR))
{
wdlen = ls.Length;
return(any_return(v, YDEF.CMT, null, ls));
}
//コメント /* */で囲まれた部分
//ダブルクォーテーションで囲まれた文字列はそのまま
if (ls.StartsWith(YDEF.DQ))
{
if (ls.Length > 1)
{
var idx = ls.IndexOf(YDEF.DQ, 1);
if (idx < 0)
{
return(err_return(v, "End of Double Quatation is not found:1"));
}
wdlen = idx + 1;
return(any_return(v, YDEF.QSTR, null, ls.Substring(0, idx + 1)));
}
else
{
return(err_return(v, "End of Double Quation is not found:2"));
}
}
//連続したスペース・タブはそのまま
if (ls[0] <= ' ')
{
for (var i = 0; i < ls.Length; i++)
{
if (ls[i] == '\x0a')
{
if (i > 0)
{
wdlen = i;
return(any_return(v, YDEF.SP, null, " "));
}
else
{
break;
}
}
if (ls[i] > ' ')
{
wdlen = i;
return(any_return(v, YDEF.SP, null, " "));
}
}
if (wdlen == 0)
{
wdlen = 1;
}
return(any_return(v, YDEF.EOL));
}
//数字
if (IsNumberElement(ls[0], true))
{
wdlen = 0;
string s = "" + ls[0];
for (int i = 1; i < ls.Length; i++)
{
if (IsNumberElement(ls[i]))
{
s += ls[i];
}
else
{
wdlen = i;
break;
}
}
if (wdlen == 0)
{
wdlen = ls.Length;
}
double d;
if (double.TryParse(s, out d))
{
return(any_return(v, YDEF.NUM, d, s));
}
else
{
if (s == ".")
{
return(any_return(v, YDEF.SYM, null, s));
}
return(err_return(v, s));
}
}
//名前
if (IsNameElement(ls[0]))
{
wdlen = 0;
string s = "" + ls[0];
for (int i = 1; i < ls.Length; i++)
{
if (IsNameElement(ls[i], true))
{
s += ls[i];
}
else
{
wdlen = i;
break;
}
}
if (wdlen == 0)
{
wdlen = ls.Length;
}
return(any_return(v, YDEF.STR, null, s));
}
if (ls[0] == '@' || ls[0] == '#')
{
if (ls.Length == 1 || !IsNameElement(ls[1]))
{
return(err_return(v, "variable or predefine name error"));
}
wdlen = 0;
string s = "" + ls[0] + ls[1];
for (int i = 2; i < ls.Length; i++)
{
if (IsNameElement(ls[i], true))
{
s += ls[i];
}
else
{
wdlen = i;
break;
}
}
if (wdlen == 0)
{
wdlen = ls.Length;
}
return(any_return(v, (ls[0] == '@') ? YDEF.VAR : YDEF.PRE, null, s));
}
//その他 記号とみなす
wdlen = 1;
return(any_return(v, YDEF.SYM, null, "" + ls[0]));
}
private static bool _isMatchAndMake(List <VALUE> list, int index, YDEF.TreeSet ts)
{
Func <int, VALUE> get = (n) => {
if (n >= list.Count)
{
return(null);
}
return(list[n]);
};
List <VALUE> args = new List <VALUE>();
int removelength = ts.list.Count;
for (int i = 0; i < ts.list.Count; i++)
{
var v = get(index + i);
if (v == null)
{
return(false);
}
if (i == 0 && ts.list.Count == 1 && v.IsType(ts.type))
{
return(false); //既に変換済み
}
var o = ts.list[i];
if (o.GetType() == typeof(string))
{
if (v.GetString() != (string)o)
{
return(false);
}
}
else
{
var tstype = (int)o;
if (tstype == YDEF.REST) // ※RESTは特殊処理。EOLまでのすべて(除EOL)が入る
{
removelength--; //本VALUE分を事前に引く
var restv = new VALUE();
restv.type = YDEF.REST;
restv.list = new List <VALUE>();
for (int j = index + i; j < list.Count; j++)
{
var v2 = get(j);
if (v2 != null && !v2.IsType(YDEF.EOL))
{
restv.list.Add(v2);
removelength++;
}
else
{
break;
}
}
args.Add(restv);
break;
}
else
{
if (!v.IsType(tstype))
{
return(false);
}
}
}
args.Add(v);
}
//Yes, they match! then Make it.
var makefunc = (Func <int, VALUE[], int[], VALUE>)ts.make_func;
var newv = ts.make_func(ts.type, args.ToArray(), ts.make_index.ToArray());
list.RemoveRange(index, removelength);
list.Insert(index, newv);
return(true);
}