COMPONENT PASCAL is a programming language created in 1997.
#976on PLDB | 27Years Old | 13kRepos |
MODULE ObxFact;
(**
project = "BlackBox"
organization = "www.oberon.ch"
contributors = "Oberon microsystems"
version = "System/Rsrc/About"
copyright = "System/Rsrc/About"
license = "Docu/BB-License"
changes = ""
issues = ""
**)
IMPORT
Stores, Models, TextModels, TextControllers, Integers;
PROCEDURE Read(r: TextModels.Reader; VAR x: Integers.Integer);
VAR i, len, beg: INTEGER; ch: CHAR; buf: POINTER TO ARRAY OF CHAR;
BEGIN
r.ReadChar(ch);
WHILE ~r.eot & (ch <= " ") DO r.ReadChar(ch) END;
ASSERT(~r.eot & (((ch >= "0") & (ch <= "9")) OR (ch = "-")));
beg := r.Pos() - 1; len := 0;
REPEAT INC(len); r.ReadChar(ch) UNTIL r.eot OR (ch < "0") OR (ch > "9");
NEW(buf, len + 1);
i := 0; r.SetPos(beg);
REPEAT r.ReadChar(buf[i]); INC(i) UNTIL i = len;
buf[i] := 0X;
Integers.ConvertFromString(buf^, x)
END Read;
PROCEDURE Write(w: TextModels.Writer; x: Integers.Integer);
VAR i: INTEGER;
BEGIN
IF Integers.Sign(x) < 0 THEN w.WriteChar("-") END;
i := Integers.Digits10Of(x);
IF i # 0 THEN
REPEAT DEC(i); w.WriteChar(Integers.ThisDigit10(x, i)) UNTIL i = 0
ELSE w.WriteChar("0")
END
END Write;
PROCEDURE Compute*;
VAR beg, end, i, n: INTEGER; ch: CHAR;
s: Stores.Operation;
r: TextModels.Reader; w: TextModels.Writer; attr: TextModels.Attributes;
c: TextControllers.Controller;
x: Integers.Integer;
BEGIN
c := TextControllers.Focus();
IF (c # NIL) & c.HasSelection() THEN
c.GetSelection(beg, end);
r := c.text.NewReader(NIL); r.SetPos(beg); r.ReadChar(ch);
WHILE ~r.eot & (beg < end) & (ch <= " ") DO r.ReadChar(ch); INC(beg) END;
IF ~r.eot & (beg < end) THEN
r.ReadPrev; Read(r, x);
end := r.Pos(); r.ReadPrev; attr :=r.attr;
IF (Integers.Sign(x) > 0) & (Integers.Compare(x, Integers.Long(MAX(LONGINT))) <= 0) THEN
n := SHORT(Integers.Short(x)); i := 2; x := Integers.Long(1);
WHILE i <= n DO x := Integers.Product(x, Integers.Long(i)); INC(i) END;
Models.BeginScript(c.text, "computation", s);
c.text.Delete(beg, end);
w := c.text.NewWriter(NIL); w.SetPos(beg); w.SetAttr(attr);
Write(w, x);
Models.EndScript(c.text, s)
END
END
END
END Compute;
END ObxFact.
Feature | Supported | Example | Token |
---|---|---|---|
Comments | ✓ | (* A comment *) | |
MultiLine Comments | ✓ | (* A comment *) | (* *) |
Semantic Indentation | X |