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Diffstat (limited to 'dynamo/dyn.rts')
| -rw-r--r-- | dynamo/dyn.rts | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/dynamo/dyn.rts b/dynamo/dyn.rts new file mode 100644 index 0000000..c46684a --- /dev/null +++ b/dynamo/dyn.rts @@ -0,0 +1,376 @@ +PACKET rts + DEFINES constant, vdt, get pltper, get prtper, was print, + println, print output, plot output, print line, + sys page, pagefeed necessary, print suppressed output, asterisk, + protokoll, default, set pagelength, run time system, b stop request, + scroll, run card : + (* Runtime - System *) + (* Autor : R. Keil *) + (* Datum : 12.07.83 Aenderung: 19.06.84 D. Craemer *) + (* 2.Aenderung: 6.05.85 D. Craemer *) + (* Änderung auf 1.8.2: Z. 288, Christian Szymanski, 10.08.88 *) + (* In der 2. Aenderung wurde dyn.const in zzdyn.const umbenannt*) + (* und alle Konstanten-Datenraeume bekommen ".const" angehaengt*) + (* Wird im rts das Kommando run name gegeben, so wird der *) + (* augenblickliche Konstanten-Datenraum gerettet im Datenraum *) + (* mit dem Namen: "name.const" *) + + + + LET esc = ""27"", + max tab size = 50, + bold = 1, + number = 2, + delimiter = 3; + +TYPE CONSTANT = STRUCT (ROW max tab size TEXT name, + ROW max tab size REAL value, + INT tab size); + +BOUND CONSTANT VAR constants; + +FILE VAR sysout; +TEXT VAR print buf, asterisk buffer, sym, const name, + const space name::"zzdyn.const"; +REAL VAR dt, length, prtper, pltper; +INT VAR line no, page no, max pagelength, type; + +BOOL VAR vdt on, print, protocoll, terminal stop, is scroll, + is not first, run specified; + + +default; + +PROC default : + protocoll := FALSE; + max pagelength := 23; + is scroll := TRUE; + run specified := FALSE +END PROC default; + +PROC set pagelength (INT CONST i) : + max pagelength := i +END PROC set pagelength; + +PROC run card (TEXT CONST run name) : + IF exists (actual constants) + THEN constants := old (actual constants) + ELIF run name="zzdyn" + THEN constants := new (actual constants); + CONCR (constants).tab size := 0 + ELSE copy (const space name, actual constants); + constants := old (actual constants) + FI; + const space name := actual constants. + + actual constants: + run name + ".const". + +END PROC run card; + +REAL PROC constant (TEXT CONST name, REAL CONST val) : + REAL VAR value; + INT VAR tab pos; + value := actual value; + set system consts. + + actual value : + search constant (name, tab pos); + IF tab pos > 0 + THEN CONCR (constants).value (tab pos) + ELSE new constant (name, val); + val + FI. + + set system consts : + SELECT pos ("dt length prtper pltper ", name + " ") OF + CASE 1 : dt := value + CASE 4 : length := value + CASE 11 : prtper := value + CASE 18 : pltper := value + END SELECT; + value. +END PROC constant; + +PROC new constant (TEXT CONST name, REAL CONST val) : + CONCR (constants).tab size INCR 1; + IF CONCR (constants).tab size > max tab size + THEN errorstop ("ZUVIELE KONSTANTEN") + FI; + CONCR (constants).name (CONCR (constants).tab size) := name; + CONCR (constants).value (CONCR (constants).tab size) := val +END PROC new constant; + +PROC search constant (TEXT CONST name, INT VAR tab pos) : + INT VAR i; + FOR i FROM 1 UPTO CONCR (constants).tab size REP + IF name = CONCR (constants).name (i) + THEN tab pos := i; + LEAVE search constant + FI + END REP; + tab pos := 0 +END PROC search constant; + +REAL PROC get pltper : (* Reicht 'pltper' (Plotperiode) heraus *) + pltper +END PROC get pltper; + +REAL PROC get prtper : (* Reicht 'prtper' (Printperiode) heraus *) + prtper +END PROC get prtper; + +PROC scroll (BOOL CONST b) : + is scroll := b +END PROC scroll; + +PROC next sym : + next sym (sym, type) +END PROC next sym; + +PROC rts err (TEXT CONST err mess) : + outline ("FEHLER BEI >>>" + sym + "<<< : " + err mess) +END PROC rts err; + +PROC run time system (PROC target program) : + IF protocoll + THEN kill ("dyn.out"); + sysout := sequential file (output, "dyn.out") + FI; + init rts; + REP + get command; + execute command + END REP. + + get command : + TEXT VAR command; + print suppressed output; + line; + putline (" dynamo runtime system :"); + shift; + getline (command); + printline (command). + + execute command : + scanner (command); + next sym; + TEXT VAR start := sym; + skip blanks; + SELECT pos ("run rerun quit help c ? EOL ", start + " ") OF + CASE 1, 5 : run + CASE 11 : quit + CASE 16 : show ("dyn.help") + CASE 21 : const equ + CASE 23 : dump consts + CASE 25 : + OTHERWISE : rts err ("KOMMANDO UNBEKANNT") + END SELECT. + + run : + init rts; + IF type = bold OR type = delimiter + THEN run card (sym) + FI; + target program. + + quit : + IF const space name = "zzdyn.const" + THEN kill (const space name) + FI; + LEAVE runtime system. + + skip blanks : + REP + next sym + UNTIL sym <> " " END REP. + + const equ : + REAL VAR value, dummy; + INT VAR tab pos; + REP + analyze constant equ; + search constant (const name, tab pos); + IF tab pos = 0 + THEN sym := const name; + rts err ("KONSTANTE NICHT DEFINIERT") + ELSE CONCR (constants).value (tab pos) := value + FI + UNTIL end of constants END REP. + + analyze constant equ : + IF type <> bold + THEN rts err ("NAME ERWARTET") + FI; + const name := sym; + next sym; + IF sym <> "=" + THEN rts err ("^=^ ERWARTET") + FI; + get constant. + + end of constants : + next sym; + IF sym = "/" OR sym = "," + THEN next sym; FALSE + ELSE TRUE + FI. + + get constant : + next sym; + value := 1.0; + IF sym = "-" + THEN value := -1.0; next sym + ELIF sym = "+" + THEN next sym + FI; + IF type = number + THEN value := value * real (sym) + ELSE rts err ("ZAHL ERWARTET") + FI. + + dump consts : + INT VAR i; + FOR i FROM 1 UPTO CONCR (constants).tab size REP + IF (i MOD 2) = 1 + THEN line; shift + FI; + out (text (CONCR (constants).name (i), 14), " = ", + text (text (CONCR (constants).value (i)), 13)) + END REP; + line. +END PROC run time system; + +PROC shift : + out (" ") +END PROC shift; + +PROC init rts : + line no := 0; + page no := 0; + asterisk buffer := ""; + print buf := ""; + print := FALSE; + terminal stop := FALSE; + is not first := FALSE; + vdt on := TRUE +END PROC init rts; + +PROC protokoll (BOOL CONST b) : + protocoll := b +END PROC protokoll; + +PROC print line : + BOOL VAR b := print; (* Druckt Ausgabe - Puffer und *) + println (print buf); (* loescht anschliessend den Inhalt *) + print buf := ""; + print := b +END PROC print line; + +PROC print suppressed output : + IF print buf <> "" (* Druckt Ausgabe - Puffer, *) + THEN println (print buf); (* falls gefuellt *) + print buf := "" + FI +END PROC print suppressed output; + +PROC print output (TEXT CONST t) : + print buf CAT t; (* Fuellt Ausgabe - Puffer *) + print buf CAT " " +END PROC print output; + +PROC println (TEXT CONST t) : + print := TRUE; (* Verteilt Ausgabe auf Bildschirm *) + line no INCR 1; (* und Datei *) + outline (t); + IF line no = max page length + THEN line no := 0 + FI; + IF is getcharety (esc) (* bis einschl. 1.8.1: 'is incharety' *) + THEN terminal stop := TRUE + FI. +END PROC println; + +PROC outline (TEXT CONST t) : + printline (t); + putline (actual line). + + actual line : + IF LENGTH (t) > 78 + THEN text (t, 78) + ELSE t + FI. +END PROC outline; + +PROC printline (TEXT CONST t) : + IF protocoll + THEN putline (sysout, t) + FI +END PROC print line; + +PROC sys page : (* Seitenvorschub auf Bildschirm und Datei *) + IF vdt on AND NOT is scroll AND is not first + THEN page + ELSE is not first := TRUE + FI; + IF protocoll + THEN putline (sysout, "#page#") + FI; + IF asterisk buffer <> "" + THEN page no INCR 1; + println ("PAGE " + text (page no, 3) + " : " + asterisk buffer); + FI; + line no := 0 +END PROC sys page; + +BOOL PROC pagefeed necessary : + line no = 0 (* Liefert TRUE, wenn Seitenende erreicht *) +END PROC pagefeed necessary; (* ist *) + +PROC plot output (TEXT CONST t) : + println (t); (* Ausgabeprozedur fuer das Plot - Programm *) + print := FALSE +END PROC plot output; + +BOOL PROC b stop request : (* Liefert TRUE, wenn 'End'-Kommando im VDT *) + terminal stop (* - Modus gegeben wird *) +END PROC b stop request; + +BOOL PROC was print : (* Liefert TRUE, falls Druckerprogramm *) + print. (* vorher eine Zeile gedruckt hat *) +END PROC was print; + +PROC vdt : + IF vdt on AND is not first (* VDT = Video Data Termination *) + THEN do vdt (* Verhindert Scrolling des Bildschirms *) + FI. + + do vdt : + TEXT VAR t; + out ("TIPPEN SIE : '+'; 'o'; 'e' : "); + inchar (t); + out (t); + IF t = "+" (* '+' = Seitenvorschub *) + THEN + ELIF t = "o" (* 'o' = Off; VDT wird abgeschaltet *) + THEN vdt on := FALSE + ELIF t = "e" (* 'e' = End; Programm wird abgebrochen *) + THEN terminal stop := TRUE + ELSE out (""13""); vdt + FI; + line. +END PROC vdt; + +PROC asterisk (TEXT CONST t) : + asterisk buffer := t +END PROC asterisk; + +PROC out(TEXT CONST a,b,c) : + out(a); + out(b); + out(c) +END PROC out; + + +END PACKET rts; + |