From 5d57ba4284b2808e0de685dcf3a7f78e477bc548 Mon Sep 17 00:00:00 2001 From: DeaDDooMER Date: Fri, 15 Sep 2017 14:09:46 +0300 Subject: [PATCH] =?utf8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5=D0=BD?= =?utf8?q?=D1=8B=20=D0=BC=D0=BE=D0=B4=D1=83=D0=BB=D0=B8=20Reals=20=D0=B8?= =?utf8?q?=20Texts?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit --- rtl/Reals.obn | 1 + rtl/Texts.obn | 1 + 2 files changed, 2 insertions(+) create mode 100644 rtl/Reals.obn create mode 100644 rtl/Texts.obn diff --git a/rtl/Reals.obn b/rtl/Reals.obn new file mode 100644 index 0000000..4c9f665 --- /dev/null +++ b/rtl/Reals.obn @@ -0,0 +1 @@ +MODULE Reals; (* interface based on Oberon V4 *) IMPORT SYSTEM, CPStrings, CPMath; PROCEDURE Expo*(x: REAL): INTEGER; BEGIN RETURN SHORT(CPMath.Exponent(x)); END Expo; PROCEDURE ExpoL*(x: LONGREAL): INTEGER; BEGIN RETURN SHORT(CPMath.Exponent(x)); END ExpoL; PROCEDURE SetExpo*(e: INTEGER; VAR x: REAL); BEGIN x := SHORT(CPMath.Real(CPMath.Mantissa(x), e)); END SetExpo; PROCEDURE SetExpoL*(e: INTEGER; VAR x: LONGREAL); BEGIN x := CPMath.Real(CPMath.Mantissa(x), e); END SetExpoL; PROCEDURE Ten*(e: INTEGER): REAL; BEGIN RETURN SHORT(CPMath.IntPower(10, e)); END Ten; PROCEDURE TenL*(e: INTEGER): LONGREAL; BEGIN RETURN CPMath.IntPower(10, e); END TenL; PROCEDURE Convert*(x: REAL; n: INTEGER; VAR d: ARRAY OF CHAR); BEGIN CPStrings.RealToStringForm(x, n, 0, 3, "0", d); END Convert; PROCEDURE ConvertL*(x: LONGREAL; n: INTEGER; VAR d: ARRAY OF CHAR); BEGIN CPStrings.RealToStringForm(x, n, 0, 3, "0", d); END ConvertL; PROCEDURE ConvertH*(x: REAL; VAR d: ARRAY OF CHAR); BEGIN CPStrings.IntToStringForm(SYSTEM.VAL(LONGINT, x), CPStrings.hexadecimal, 0, "0", FALSE, d); END ConvertH; PROCEDURE ConvertHL*(x: LONGREAL; VAR d: ARRAY OF CHAR); BEGIN CPStrings.IntToStringForm(SYSTEM.VAL(HUGEINT, x), CPStrings.hexadecimal, 0, "0", FALSE, d); END ConvertHL; END Reals. \ No newline at end of file diff --git a/rtl/Texts.obn b/rtl/Texts.obn new file mode 100644 index 0000000..ba4d6cd --- /dev/null +++ b/rtl/Texts.obn @@ -0,0 +1 @@ +MODULE Texts; (** CAS/HM 7.10.93 -- interface based on Texts by JG/NW 6.12.91**) (* Ported from Oberon V4 -- this version not depended on graphics *) IMPORT Files, Reals; (*--- insert field e: Elem into Texts.Scanner and change Texts.Scan to set it in case of class=6 *) CONST ElemChar* = 1CX; TAB = 9X; CR = 0DX; maxD = 9; (**FileMsg.id**) load* = 0; store* = 1; (**Notifier op**) replace* = 0; insert* = 1; delete* = 2; (**Scanner.class**) Inval* = 0; Name* = 1; String* = 2; Int* = 3; Real* = 4; LongReal* = 5; Char* = 6; textTag = 0F0X; version = 01X; TYPE FontsFont = POINTER TO FontDesc; FontDesc = RECORD name: ARRAY 32 OF CHAR; END; Run = POINTER TO RunDesc; RunDesc = RECORD prev, next: Run; len: LONGINT; fnt: FontsFont; col, voff: SHORTINT END; Piece = POINTER TO PieceDesc; PieceDesc = RECORD (RunDesc) file: Files.File; org: LONGINT END; Elem* = POINTER TO ElemDesc; Buffer* = POINTER TO BufDesc; Text* = POINTER TO TextDesc; ElemMsg* = RECORD END; Handler* = PROCEDURE (e: Elem; VAR msg: ElemMsg); ElemDesc* = RECORD (RunDesc) W*, H*: LONGINT; handle*: Handler; base: Text END; FileMsg* = RECORD (ElemMsg) id*: INTEGER; pos*: LONGINT; r*: Files.Rider END; CopyMsg* = RECORD (ElemMsg) e*: Elem END; IdentifyMsg* = RECORD (ElemMsg) mod*, proc*: ARRAY 32 OF CHAR END; BufDesc* = RECORD len*: LONGINT; head: Run END; Notifier* = PROCEDURE (T: Text; op: INTEGER; beg, end: LONGINT); TextDesc* = RECORD len*: LONGINT; notify*: Notifier; head, cache: Run; corg: LONGINT END; Reader* = RECORD eot*: BOOLEAN; fnt*: FontsFont; col*, voff*: SHORTINT; elem*: Elem; rider: Files.Rider; run: Run; org, off: LONGINT END; Scanner* = RECORD (Reader) nextCh*: CHAR; line*, class*: INTEGER; i*: LONGINT; x*: REAL; y*: LONGREAL; c*: CHAR; len*: SHORTINT; s*: ARRAY 32 OF CHAR END; Writer* = RECORD buf*: Buffer; fnt*: FontsFont; col*, voff*: SHORTINT; rider: Files.Rider; file: Files.File END; Alien = POINTER TO RECORD (ElemDesc) file: Files.File; org, span: LONGINT; mod, proc: ARRAY 32 OF CHAR END; VAR new*: Elem; del: Buffer; (* run primitives *) PROCEDURE Find (T: Text; VAR pos: LONGINT; VAR u: Run; VAR org, off: LONGINT); VAR v: Run; m: LONGINT; BEGIN IF pos >= T.len THEN pos := T.len; u := T.head; org := T.len; off := 0; T.cache := T.head; T.corg := 0 ELSE v := T.cache.next; m := pos - T.corg; IF pos >= T.corg THEN WHILE m >= v.len DO DEC(m, v.len); v := v.next END ELSE WHILE m < 0 DO v := v.prev; INC(m, v.len) END; END; u := v; org := pos - m; off := m; T.cache := v.prev; T.corg := org END END Find; PROCEDURE Split (off: LONGINT; VAR u, un: Run); VAR p, U: Piece; BEGIN IF off = 0 THEN un := u; u := un.prev ELSIF off >= u.len THEN un := u.next ELSE NEW(p); un := p; U := u(Piece); p^ := U^; INC(p.org, off); DEC(p.len, off); DEC(U.len, p.len); p.prev := U; p.next := U.next; p.next.prev := p; U.next := p END END Split; PROCEDURE Merge (T: Text; u: Run; VAR v: Run); VAR p, q: Piece; BEGIN IF (u IS Piece) & (v IS Piece) & (u.fnt.name = v.fnt.name) & (u.col = v.col) & (u.voff = v.voff) THEN p := u(Piece); q := v(Piece); IF (p.file = q.file) & (p.org + p.len = q.org) THEN IF T.cache = u THEN INC(T.corg, q.len) ELSIF T.cache = v THEN T.cache := T.head; T.corg := 0 END; INC(p.len, q.len); v := v.next END END END Merge; PROCEDURE Splice (un, v, w: Run; base: Text); (* (u, un) -> (u, v, w, un) *) VAR u: Run; BEGIN IF v # w.next THEN u := un.prev; u.next := v; v.prev := u; un.prev := w; w.next := un; REPEAT IF v IS Elem THEN v(Elem).base := base END; v := v.next UNTIL v = un END END Splice; PROCEDURE ClonePiece (p: Piece): Piece; VAR q: Piece; BEGIN NEW(q); q^ := p^; RETURN q END ClonePiece; PROCEDURE CloneElem (e: Elem): Elem; VAR msg: CopyMsg; BEGIN msg.e := NIL; e.handle(e, msg); RETURN msg.e END CloneElem; (** Elements **) PROCEDURE CopyElem* (SE, DE: Elem); BEGIN DE.len := SE.len; DE.fnt := SE.fnt; DE.col := SE.col; DE.voff := SE.voff; DE.W := SE.W; DE.H := SE.H; DE.handle := SE.handle END CopyElem; PROCEDURE ElemBase* (E: Elem): Text; BEGIN RETURN E.base END ElemBase; PROCEDURE ElemPos* (E: Elem): LONGINT; VAR u: Run; pos: LONGINT; BEGIN u := E.base.head.next; pos := 0; WHILE u # E DO pos := pos + u.len; u := u.next END; RETURN pos END ElemPos; PROCEDURE HandleAlien (E: Elem; VAR msg: ElemMsg); VAR e: Alien; r: Files.Rider; i: LONGINT; ch: CHAR; BEGIN WITH E: Alien DO IF msg IS CopyMsg THEN (* WITH msg: CopyMsg DO NEW(e); CopyElem(E, e); e.file := E.file; e.org := E.org; e.span := E.span; e.mod := E.mod; e.proc := E.proc; msg.e := e END *) ELSIF msg IS IdentifyMsg THEN WITH msg: IdentifyMsg DO COPY(E.mod, msg.mod); COPY(E.proc, msg.proc); msg.mod[31] := 1X (*alien*) END ELSIF msg IS FileMsg THEN WITH msg: FileMsg DO IF msg.id = store THEN Files.Set(r, E.file, E.org); i := E.span; WHILE i > 0 DO Files.Read(r, ch); Files.Write(msg.r, ch); DEC(i) END END END END END END HandleAlien; (** Buffers **) PROCEDURE OpenBuf* (B: Buffer); VAR u: Run; BEGIN NEW(u); u.next := u; u.prev := u; B.head := u; B.len := 0 END OpenBuf; PROCEDURE Copy* (SB, DB: Buffer); VAR u, v, vn: Run; BEGIN u := SB.head.next; v := DB.head.prev; WHILE u # SB.head DO IF u IS Piece THEN vn := ClonePiece(u(Piece)) ELSE vn := CloneElem(u(Elem)) END; v.next := vn; vn.prev := v; v := vn; u := u.next END; v.next := DB.head; DB.head.prev := v; INC(DB.len, SB.len) END Copy; PROCEDURE Recall* (VAR B: Buffer); BEGIN B := del; del := NIL END Recall; (** Texts **) PROCEDURE Save* (T: Text; beg, end: LONGINT; B: Buffer); VAR u, v, w, wn: Run; uo, ud, vo, vd: LONGINT; BEGIN Find(T, beg, u, uo, ud); Find(T, end, v, vo, vd); w := B.head.prev; WHILE u # v DO IF u IS Piece THEN wn := ClonePiece(u(Piece)); DEC(wn.len, ud); INC(wn(Piece).org, ud) ELSE wn := CloneElem(u(Elem)) END; w.next := wn; wn.prev := w; w := wn; u := u.next; ud := 0 END; IF vd > 0 THEN (*v IS Piece*) wn := ClonePiece(v(Piece)); wn.len := vd - ud; INC(wn(Piece).org, ud); w.next := wn; wn.prev := w; w := wn END; w.next := B.head; B.head.prev := w; INC(B.len, end - beg) END Save; PROCEDURE Insert* (T: Text; pos: LONGINT; B: Buffer); VAR u, un, v: Run; p, q: Piece; uo, ud, len: LONGINT; BEGIN Find(T, pos, u, uo, ud); Split(ud, u, un); len := B.len; v := B.head.next; Merge(T, u, v); Splice(un, v, B.head.prev, T); INC(T.len, len); B.head.next := B.head; B.head.prev := B.head; B.len := 0; T.notify(T, insert, pos, pos + len) END Insert; PROCEDURE Append* (T: Text; B: Buffer); VAR v: Run; pos, len: LONGINT; BEGIN pos := T.len; len := B.len; v := B.head.next; Merge(T, T.head.prev, v); Splice(T.head, v, B.head.prev, T); INC(T.len, len); B.head.next := B.head; B.head.prev := B.head; B.len := 0; T.notify(T, insert, pos, pos + len) END Append; PROCEDURE Delete* (T: Text; beg, end: LONGINT); VAR c, u, un, v, vn: Run; co, uo, ud, vo, vd: LONGINT; BEGIN Find(T, beg, u, uo, ud); Split(ud, u, un); c := T.cache; co := T.corg; Find(T, end, v, vo, vd); Split(vd, v, vn); T.cache := c; T.corg := co; NEW(del); OpenBuf(del); del.len := end - beg; Splice(del.head, un, v, NIL); Merge(T, u, vn); u.next := vn; vn.prev := u; DEC(T.len, end - beg); T.notify(T, delete, beg, end) END Delete; PROCEDURE ChangeLooks* (T: Text; beg, end: LONGINT; sel: SET; fnt: FontsFont; col, voff: SHORTINT); VAR c, u, un, v, vn: Run; co, uo, ud, vo, vd: LONGINT; BEGIN Find(T, beg, u, uo, ud); Split(ud, u, un); c := T.cache; co := T.corg; Find(T, end, v, vo, vd); Split(vd, v, vn); T.cache := c; T.corg := co; WHILE un # vn DO IF (0 IN sel) & (fnt # NIL) THEN un.fnt := fnt END; IF 1 IN sel THEN un.col := col END; IF 2 IN sel THEN un.voff := voff END; Merge(T, u, un); IF u.next = un THEN u := un; un := un.next ELSE u.next := un; un.prev := u END END; Merge(T, u, un); u.next := un; un.prev := u; T.notify(T, replace, beg, end) END ChangeLooks; (** Readers **) PROCEDURE OpenReader* (VAR R: Reader; T: Text; pos: LONGINT); VAR u: Run; BEGIN IF pos >= T.len THEN pos := T.len END; Find(T, pos, u, R.org, R.off); R.run := u; R.eot := FALSE; IF u IS Piece THEN Files.Set(R.rider, u(Piece).file, u(Piece).org + R.off) END END OpenReader; PROCEDURE Read* (VAR R: Reader; VAR ch: CHAR); VAR u: Run; BEGIN u := R.run; R.fnt := u.fnt; R.col := u.col; R.voff := u.voff; INC(R.off); IF u IS Piece THEN Files.Read(R.rider, ch); R.elem := NIL ELSIF u IS Elem THEN ch := ElemChar; R.elem := u(Elem) ELSE ch := 0X; R.elem := NIL; R.eot := TRUE END; IF R.off = u.len THEN INC(R.org, u.len); u := u.next; IF u IS Piece THEN WITH u: Piece DO Files.Set(R.rider, u.file, u.org) END END; R.run := u; R.off := 0 END END Read; PROCEDURE ReadElem* (VAR R: Reader); VAR u, un: Run; BEGIN u := R.run; WHILE u IS Piece DO INC(R.org, u.len); u := u.next END; IF u IS Elem THEN un := u.next; R.run := un; INC(R.org); R.off := 0; R.fnt := u.fnt; R.col := u.col; R.voff := u.voff; R.elem := u(Elem); IF un IS Piece THEN WITH un: Piece DO Files.Set(R.rider, un.file, un.org) END END ELSE R.eot := TRUE; R.elem := NIL END END ReadElem; PROCEDURE ReadPrevElem* (VAR R: Reader); VAR u: Run; BEGIN u := R.run.prev; WHILE u IS Piece DO DEC(R.org, u.len); u := u.prev END; IF u IS Elem THEN R.run := u; DEC(R.org); R.off := 0; R.fnt := u.fnt; R.col := u.col; R.voff := u.voff; R.elem := u(Elem) ELSE R.eot := TRUE; R.elem := NIL END END ReadPrevElem; PROCEDURE Pos* (VAR R: Reader): LONGINT; BEGIN RETURN R.org + R.off END Pos; (** Scanners --------------- NW --------------- **) PROCEDURE OpenScanner* (VAR S: Scanner; T: Text; pos: LONGINT); BEGIN OpenReader(S, T, pos); S.line := 0; S.nextCh := " " END OpenScanner; (*IEEE floating point formats: x = 2^(e-127) * 1.m bit 0: sign, bits 1- 8: e, bits 9-31: m x = 2^(e-1023) * 1.m bit 0: sign, bits 1-11: e, bits 12-63: m *) PROCEDURE Scan* (VAR S: Scanner); CONST maxD = 32; VAR ch, term: CHAR; neg, negE, hex: BOOLEAN; i, j, h: SHORTINT; e: INTEGER; k: LONGINT; x, f: REAL; y, g: LONGREAL; d: ARRAY maxD OF CHAR; PROCEDURE ReadScaleFactor; BEGIN Read(S, ch); IF ch = "-" THEN negE := TRUE; Read(S, ch) ELSE negE := FALSE; IF ch = "+" THEN Read(S, ch) END END; WHILE ("0" <= ch) & (ch <= "9") DO e := e*10 + ORD(ch) - 30H; Read(S, ch) END END ReadScaleFactor; BEGIN ch := S.nextCh; i := 0; LOOP IF ch = CR THEN INC(S.line) ELSIF (ch # " ") & (ch # TAB) THEN EXIT END ; Read(S, ch) END; IF ("A" <= CAP(ch)) & (CAP(ch) <= "Z") THEN (*name*) REPEAT S.s[i] := ch; INC(i); Read(S, ch) UNTIL (CAP(ch) > "Z") OR ("A" > CAP(ch)) & (ch > "9") OR ("0" > ch) & (ch # ".") OR (i = 31); S.s[i] := 0X; S.len := i; S.class := 1 ELSIF ch = 22X THEN (*literal string*) Read(S, ch); WHILE (ch # 22X) & (ch >= " ") & (i # 31) DO S.s[i] := ch; INC(i); Read(S, ch) END; S.s[i] := 0X; S.len := i; Read(S, ch); S.class := 2 ELSE IF ch = "-" THEN neg := TRUE; Read(S, ch) ELSE neg := FALSE END ; IF ("0" <= ch) & (ch <= "9") THEN (*number*) hex := FALSE; j := 0; LOOP d[i] := ch; INC(i); Read(S, ch); IF ch < "0" THEN EXIT END; IF "9" < ch THEN IF ("A" <= ch) & (ch <= "F") THEN hex := TRUE; ch := CHR(ORD(ch)-7) ELSIF ("a" <= ch) & (ch <= "f") THEN hex := TRUE; ch := CHR(ORD(ch)-27H) ELSE EXIT END END END; IF ch = "H" THEN (*hex number*) Read(S, ch); S.class := 3; IF i-j > 8 THEN j := i-8 END ; k := ORD(d[j]) - 30H; INC(j); IF (i-j = 7) & (k >= 8) THEN DEC(k, 16) END ; WHILE j < i DO k := k*10H + (ORD(d[j]) - 30H); INC(j) END ; IF neg THEN S.i := -k ELSE S.i := k END ELSIF ch = "." THEN (*read real*) Read(S, ch); h := i; WHILE ("0" <= ch) & (ch <= "9") DO d[i] := ch; INC(i); Read(S, ch) END ; IF ch = "D" THEN e := 0; y := 0; g := 1; REPEAT y := y*10 + (ORD(d[j]) - 30H); INC(j) UNTIL j = h; WHILE j < i DO g := g/10; y := (ORD(d[j]) - 30H)*g + y; INC(j) END ; ReadScaleFactor; IF negE THEN IF e <= 308 THEN y := y / Reals.TenL(e) ELSE y := 0 END ELSIF e > 0 THEN IF e <= 308 THEN y := Reals.TenL(e) * y ELSE HALT(40) END END ; IF neg THEN y := -y END ; S.class := 5; S.y := y ELSE e := 0; x := 0; f := 1; REPEAT x := x*10 + (ORD(d[j]) - 30H); INC(j) UNTIL j = h; WHILE j < i DO f := f/10; x := (ORD(d[j])-30H)*f + x; INC(j) END; IF ch = "E" THEN ReadScaleFactor END ; IF negE THEN IF e <= 38 THEN x := x / Reals.Ten(e) ELSE x := 0 END ELSIF e > 0 THEN IF e <= 38 THEN x := Reals.Ten(e) * x ELSE HALT(40) END END ; IF neg THEN x := -x END ; S.class := 4; S.x := x END ; IF hex THEN S.class := 0 END ELSE (*decimal integer*) S.class := 3; k := 0; REPEAT k := k*10 + (ORD(d[j]) - 30H); INC(j) UNTIL j = i; IF neg THEN S.i := -k ELSE S.i := k END; IF hex THEN S.class := 0 ELSE S.class := 3 END END ELSE S.class := 6; IF neg THEN S.c := "-" ELSE S.c := ch; Read(S, ch) END END END; S.nextCh := ch END Scan; (** Writers **) PROCEDURE OpenWriter* (VAR W: Writer); BEGIN NEW(W.buf); OpenBuf(W.buf); (* W.fnt := Fonts.Default; W.col := Display.white; *) W.fnt := NIL; W.col := 0; W.voff := 0; W.file := Files.New(""); Files.Set(W.rider, W.file, 0) END OpenWriter; PROCEDURE SetFont* (VAR W: Writer; fnt: FontsFont); BEGIN W.fnt := fnt END SetFont; PROCEDURE SetColor* (VAR W: Writer; col: SHORTINT); BEGIN W.col := col END SetColor; PROCEDURE SetOffset* (VAR W: Writer; voff: SHORTINT); BEGIN W.voff := voff END SetOffset; PROCEDURE Write* (VAR W: Writer; ch: CHAR); VAR u, un: Run; p: Piece; BEGIN Files.Write(W.rider, ch); INC(W.buf.len); un := W.buf.head; u := un.prev; IF (u IS Piece) & (u(Piece).file = W.file) & (u.fnt.name = W.fnt.name) & (u.col = W.col) & (u.voff = W.voff) THEN INC(u.len) ELSE NEW(p); u.next := p; p.prev := u; p.next := un; un.prev := p; p.len := 1; p.fnt := W.fnt; p.col := W.col; p.voff := W.voff; p.file := W.file; p.org := Files.Length(W.file) - 1 END END Write; PROCEDURE WriteElem* (VAR W: Writer; e: Elem); VAR u, un: Run; BEGIN IF e.base # NIL THEN HALT(99) END; INC(W.buf.len); e.len := 1; e.fnt := W.fnt; e.col := W.col; e.voff := W.voff; un := W.buf.head; u := un.prev; u.next := e; e.prev := u; e.next := un; un.prev := e END WriteElem; PROCEDURE WriteLn* (VAR W: Writer); BEGIN Write(W, CR) END WriteLn; PROCEDURE WriteString* (VAR W: Writer; s: ARRAY OF CHAR); VAR i: INTEGER; BEGIN i := 0; WHILE s[i] >= " " DO Write(W, s[i]); INC(i) END END WriteString; PROCEDURE WriteInt* (VAR W: Writer; x, n: LONGINT); VAR i: INTEGER; x0: LONGINT; a: ARRAY 11 OF CHAR; BEGIN i := 0; IF x < 0 THEN IF x = MIN(LONGINT) THEN WriteString(W, " -2147483648"); RETURN ELSE DEC(n); x0 := -x END ELSE x0 := x END; REPEAT a[i] := CHR(x0 MOD 10 + 30H); x0 := x0 DIV 10; INC(i) UNTIL x0 = 0; WHILE n > i DO Write(W, " "); DEC(n) END; IF x < 0 THEN Write(W, "-") END; REPEAT DEC(i); Write(W, a[i]) UNTIL i = 0 END WriteInt; PROCEDURE WriteHex* (VAR W: Writer; x: LONGINT); VAR i: INTEGER; y: LONGINT; a: ARRAY 10 OF CHAR; BEGIN i := 0; Write(W, " "); REPEAT y := x MOD 10H; IF y < 10 THEN a[i] := CHR(y + 30H) ELSE a[i] := CHR(y + 37H) END; x := x DIV 10H; INC(i) UNTIL i = 8; REPEAT DEC(i); Write(W, a[i]) UNTIL i = 0 END WriteHex; PROCEDURE WriteReal* (VAR W: Writer; x: REAL; n: INTEGER); VAR e: INTEGER; x0: REAL; d: ARRAY maxD OF CHAR; BEGIN e := Reals.Expo(x); IF e = 0 THEN WriteString(W, " 0"); REPEAT Write(W, " "); DEC(n) UNTIL n <= 3 ELSIF e = 255 THEN WriteString(W, " NaN"); WHILE n > 4 DO Write(W, " "); DEC(n) END ELSE IF n <= 9 THEN n := 3 ELSE DEC(n, 6) END; REPEAT Write(W, " "); DEC(n) UNTIL n <= 8; (*there are 2 < n <= 8 digits to be written*) IF x < 0.0 THEN Write(W, "-"); x := -x ELSE Write(W, " ") END; e := (e - 127) * 77 DIV 256; IF e >= 0 THEN x := x / Reals.Ten(e) ELSE x := Reals.Ten(-e) * x END; IF x >= 10.0 THEN x := 0.1*x; INC(e) END; x0 := Reals.Ten(n-1); x := x0*x + 0.5; IF x >= 10.0*x0 THEN x := x*0.1; INC(e) END; Reals.Convert(x, n, d); DEC(n); Write(W, d[n]); Write(W, "."); REPEAT DEC(n); Write(W, d[n]) UNTIL n = 0; Write(W, "E"); IF e < 0 THEN Write(W, "-"); e := -e ELSE Write(W, "+") END; Write(W, CHR(e DIV 10 + 30H)); Write(W, CHR(e MOD 10 + 30H)) END END WriteReal; PROCEDURE WriteRealFix* (VAR W: Writer; x: REAL; n, k: INTEGER); VAR e, i: INTEGER; sign: CHAR; x0: REAL; d: ARRAY maxD OF CHAR; PROCEDURE seq(ch: CHAR; n: INTEGER); BEGIN WHILE n > 0 DO Write(W, ch); DEC(n) END END seq; PROCEDURE dig(n: INTEGER); BEGIN WHILE n > 0 DO DEC(i); Write(W, d[i]); DEC(n) END END dig; BEGIN e := Reals.Expo(x); IF k < 0 THEN k := 0 END; IF e = 0 THEN seq(" ", n-k-2); Write(W, "0"); seq(" ", k+1) ELSIF e = 255 THEN WriteString(W, " NaN"); seq(" ", n-4) ELSE e := (e - 127) * 77 DIV 256; IF x < 0 THEN sign := "-"; x := -x ELSE sign := " " END; IF e >= 0 THEN (*x >= 1.0, 77/256 = log 2*) x := x/Reals.Ten(e) ELSE (*x < 1.0*) x := Reals.Ten(-e) * x END; IF x >= 10.0 THEN x := 0.1*x; INC(e) END; (* 1 <= x < 10 *) IF k+e >= maxD-1 THEN k := maxD-1-e ELSIF k+e < 0 THEN k := -e; x := 0.0 END; x0 := Reals.Ten(k+e); x := x0*x + 0.5; IF x >= 10.0*x0 THEN INC(e) END; (*e = no. of digits before decimal point*) INC(e); i := k+e; Reals.Convert(x, i, d); IF e > 0 THEN seq(" ", n-e-k-2); Write(W, sign); dig(e); Write(W, "."); dig(k) ELSE seq(" ", n-k-3); Write(W, sign); Write(W, "0"); Write(W, "."); seq("0", -e); dig(k+e) END END END WriteRealFix; PROCEDURE WriteRealHex* (VAR W: Writer; x: REAL); VAR i: INTEGER; d: ARRAY 8 OF CHAR; BEGIN Reals.ConvertH(x, d); i := 0; REPEAT Write(W, d[i]); INC(i) UNTIL i = 8 END WriteRealHex; PROCEDURE WriteLongReal* (VAR W: Writer; x: LONGREAL; n: INTEGER); CONST maxD = 16; VAR e: INTEGER; x0: LONGREAL; d: ARRAY maxD OF CHAR; BEGIN e := Reals.ExpoL(x); IF e = 0 THEN WriteString(W, " 0"); REPEAT Write(W, " "); DEC(n) UNTIL n <= 3 ELSIF e = 2047 THEN WriteString(W, " NaN"); WHILE n > 4 DO Write(W, " "); DEC(n) END ELSE IF n <= 10 THEN n := 3 ELSE DEC(n, 7) END; REPEAT Write(W, " "); DEC(n) UNTIL n <= maxD; (*there are 2 <= n <= maxD digits to be written*) IF x < 0 THEN Write(W, "-"); x := -x ELSE Write(W, " ") END; e := SHORT(LONG(e - 1023) * 77 DIV 256); IF e >= 0 THEN x := x / Reals.TenL(e) ELSE x := Reals.TenL(-e) * x END ; IF x >= 10.0D0 THEN x := 0.1D0 * x; INC(e) END ; x0 := Reals.TenL(n-1); x := x0*x + 0.5D0; IF x >= 10.0D0*x0 THEN x := 0.1D0 * x; INC(e) END ; Reals.ConvertL(x, n, d); DEC(n); Write(W, d[n]); Write(W, "."); REPEAT DEC(n); Write(W, d[n]) UNTIL n = 0; Write(W, "D"); IF e < 0 THEN Write(W, "-"); e := -e ELSE Write(W, "+") END; Write(W, CHR(e DIV 100 + 30H)); e := e MOD 100; Write(W, CHR(e DIV 10 + 30H)); Write(W, CHR(e MOD 10 + 30H)) END END WriteLongReal; PROCEDURE WriteLongRealHex* (VAR W: Writer; x: LONGREAL); VAR i: INTEGER; d: ARRAY 16 OF CHAR; BEGIN Reals.ConvertHL(x, d); i := 0; REPEAT Write(W, d[i]); INC(i) UNTIL i = 16 END WriteLongRealHex; PROCEDURE WriteDate* (VAR W: Writer; t, d: LONGINT); PROCEDURE WritePair(ch: CHAR; x: LONGINT); BEGIN Write(W, ch); Write(W, CHR(x DIV 10 + 30H)); Write(W, CHR(x MOD 10 + 30H)) END WritePair; BEGIN WritePair(" ", d MOD 32); WritePair(".", d DIV 32 MOD 16); WritePair(".", d DIV 512 MOD 128); WritePair(" ", t DIV 4096 MOD 32); WritePair(":", t DIV 64 MOD 64); WritePair(":", t MOD 64) END WriteDate; (** Text Filing **) PROCEDURE Load0 (VAR r: Files.Rider; T: Text); VAR u, un: Run; p: Piece; e: Elem; org, pos, hlen, plen: LONGINT; ecnt, fno, fcnt, col, voff: SHORTINT; f: Files.File; msg: FileMsg; mods, procs: ARRAY 64, 32 OF CHAR; name: ARRAY 32 OF CHAR; fnts: ARRAY 32 OF FontsFont; PROCEDURE LoadElem (VAR r: Files.Rider; pos, span: LONGINT; VAR e: Elem); VAR (* M: Modules.Module; Cmd: Modules.Command; *) a: Alien; org, ew, eh: LONGINT; eno: SHORTINT; BEGIN new := NIL; Files.ReadLInt(r, ew); Files.ReadLInt(r, eh); Files.Read(r, eno); IF eno > ecnt THEN ecnt := eno; Files.ReadString(r, mods[eno]); Files.ReadString(r, procs[eno]) END; org := Files.Pos(r); (* M := Modules.ThisMod(mods[eno]); IF M # NIL THEN Cmd := Modules.ThisCommand(M, procs[eno]); IF Cmd # NIL THEN Cmd END END; *) e := new; IF e # NIL THEN e.W := ew; e.H := eh; e.base := T; msg.pos := pos; e.handle(e, msg); IF Files.Pos(r) # org + span THEN e := NIL END END; IF e = NIL THEN Files.Set(r, f, org + span); NEW(a); a.W := ew; a.H := eh; a.handle := HandleAlien; a.base := T; a.file := f; a.org := org; a.span := span; COPY(mods[eno], a.mod); COPY(procs[eno], a.proc); e := a END END LoadElem; BEGIN pos := Files.Pos(r); f := Files.Base(r); NEW(u); u.len := MAX(LONGINT); (*u.fnt := Fonts.Default;*)u.fnt := NIL; (*u.col := Display.white;*) u.col := 0; T.head := u; ecnt := 0; fcnt := 0; msg.id := load; msg.r := r; Files.ReadLInt(msg.r, hlen); (*!!!org := pos + hlen;*) org := pos -2 + hlen; pos := org; Files.Read(msg.r, fno); WHILE fno # 0 DO IF fno > fcnt THEN fcnt := fno; Files.ReadString(msg.r, name); (* fnts[fno] := Fonts.This(name) *) fnts[fno] := NIL END; Files.Read(msg.r, col); Files.Read(msg.r, voff); Files.ReadLInt(msg.r, plen); IF plen > 0 THEN NEW(p); p.file := f; p.org := pos; un := p; un.len := plen ELSE LoadElem(msg.r, pos - org, -plen, e); un := e; un.len := 1 END; un.fnt := fnts[fno]; un.col := col; un.voff := voff; INC(pos, un.len); u.next := un; un.prev := u; u := un; Files.Read(msg.r, fno) END; u.next := T.head; T.head.prev := u; T.cache := T.head; T.corg := 0; Files.ReadLInt(msg.r, T.len); Files.Set(r, f, Files.Pos(msg.r) + T.len) END Load0; PROCEDURE Load* (VAR r: Files.Rider; T: Text); CONST oldTag = -4095; VAR tag: INTEGER; BEGIN (* for compatibility inner text tags are checked and skipped; remove this in a later version *) Files.ReadInt(r, tag); IF tag # oldTag THEN Files.Set(r, Files.Base(r), Files.Pos(r)-2) END; Load0(r, T) END Load; PROCEDURE Open* (T: Text; name: ARRAY OF CHAR); VAR f: Files.File; r: Files.Rider; u: Run; p: Piece; tag, version: CHAR; BEGIN f := Files.Old(name); IF f = NIL THEN f := Files.New("") END; Files.Set(r, f, 0); Files.Read(r, tag); Files.Read(r, version); IF (tag = textTag) OR (tag = 01X) & (version = textTag) THEN Load0(r, T) ELSE NEW(u); u.len := MAX(LONGINT); u.fnt := NIL; (* u.col := Display.white; *) u.col := 0; T.len := Files.Length(f); IF T.len > 0 THEN NEW(p); p.len := T.len; (* p.fnt := Fonts.Default; *) p.fnt := NIL; (* p.col := Display.white; *) p.col := 0; p.voff := 0; p.file := f; p.org := 0; u.next := p; u.prev := p; p.next := u; p.prev := u ELSE u.next := u; u.prev := u END; T.head := u; T.cache := T.head; T.corg := 0 END END Open; PROCEDURE Store* (VAR r: Files.Rider; T: Text); VAR r1: Files.Rider; u, un: Run; e: Elem; org, pos, delta, hlen, rlen: LONGINT; ecnt, fno, fcnt: SHORTINT; msg: FileMsg; iden: IdentifyMsg; mods, procs: ARRAY 64, 32 OF CHAR; fnts: ARRAY 32 OF FontsFont; block: ARRAY 1024 OF CHAR; PROCEDURE StoreElem (VAR r: Files.Rider; pos: LONGINT; e: Elem); VAR r1: Files.Rider; org, span: LONGINT; eno: SHORTINT; BEGIN COPY(iden.mod, mods[ecnt]); COPY(iden.proc, procs[ecnt]); eno := 1; WHILE (mods[eno] # iden.mod) OR (procs[eno] # iden.proc) DO INC(eno) END; Files.Set(r1, Files.Base(r), Files.Pos(r)); Files.WriteLInt(r, 0); Files.WriteLInt(r, 0); Files.WriteLInt(r, 0); (*fixup slot*) Files.Write(r, eno); IF eno = ecnt THEN INC(ecnt); Files.WriteString(r, iden.mod); Files.WriteString(r, iden.proc) END; msg.pos := pos; org := Files.Pos(r); e.handle(e, msg); span := Files.Pos(r) - org; Files.WriteLInt(r1, -span); Files.WriteLInt(r1, e.W); Files.WriteLInt(r1, e.H) (*fixup*) END StoreElem; BEGIN org := Files.Pos(r); msg.id := store; msg.r := r; Files.WriteLInt(msg.r, 0); (*fixup slot*) u := T.head.next; pos := 0; delta := 0; fcnt := 1; ecnt := 1; WHILE u # T.head DO IF u IS Elem THEN iden.mod[0] := 0X; u(Elem).handle(u(Elem), iden) ELSE iden.mod[0] := 1X END; IF iden.mod[0] # 0X THEN fnts[fcnt] := u.fnt; fno := 1; WHILE fnts[fno].name # u.fnt.name DO INC(fno) END; Files.Write(msg.r, fno); IF fno = fcnt THEN INC(fcnt); Files.WriteString(msg.r, u.fnt.name) END; Files.Write(msg.r, u.col); Files.Write(msg.r, u.voff) END; IF u IS Piece THEN rlen := u.len; un := u.next; WHILE (un IS Piece) & (un.fnt = u.fnt) & (un.col = u.col) & (un.voff = u.voff) DO INC(rlen, un.len); un := un.next END; Files.WriteLInt(msg.r, rlen); INC(pos, rlen); u := un ELSIF iden.mod[0] # 0X THEN StoreElem(msg.r, pos, u(Elem)); INC(pos); u := u.next ELSE INC(delta); u := u.next END END; Files.Write(msg.r, 0); Files.WriteLInt(msg.r, T.len - delta); (*!!!hlen := Files.Pos(msg.r) - org;*) hlen := Files.Pos(msg.r) - org + 2; Files.Set(r1, Files.Base(msg.r), org); Files.WriteLInt(r1, hlen); (*fixup*) u := T.head.next; WHILE u # T.head DO IF u IS Piece THEN WITH u: Piece DO Files.Set(r1, u.file, u.org); delta := u.len; WHILE delta > LEN(block) DO Files.ReadBytes(r1, block, LEN(block)); Files.WriteBytes(msg.r, block, LEN(block)); DEC(delta, LEN(block)) END; Files.ReadBytes(r1, block, delta); Files.WriteBytes(msg.r, block, delta) END ELSE iden.mod[0] := 0X; u(Elem).handle(u(Elem), iden); IF iden.mod[0] # 0X THEN Files.Write(msg.r, ElemChar) END END; u := u.next END; r := msg.r; END Store; PROCEDURE Close* (T: Text; name: ARRAY OF CHAR); VAR f: Files.File; r: Files.Rider; i, res: INTEGER; bak: ARRAY 64 OF CHAR; BEGIN f := Files.New(name); Files.Set(r, f, 0); Files.Write(r, textTag); Files.Write(r, version); Store(r, T); i := 0; WHILE name[i] # 0X DO INC(i) END; COPY(name, bak); bak[i] := "."; bak[i+1] := "B"; bak[i+2] := "a"; bak[i+3] := "k"; bak[i+4] := 0X; Files.Rename(name, bak, res); Files.Register(f) END Close; BEGIN del := NIL END Texts. \ No newline at end of file -- 2.29.2