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voc07R - revised oberon compiler's compatFiles module fixed to comply
with new Unix.Mod, which was previously fixed to comply with x86_64
libc types.
Former-commit-id: 8b66c787da
This commit is contained in:
Norayr Chilingarian
parent
ed83cf0074
commit
e9f1a2710a
4 changed files with 680 additions and 3 deletions
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@ -1,5 +1,5 @@
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MODULE ORS; (* NW 19.9.93 / 1.4.2014 Scanner in Oberon-07*)
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IMPORT SYSTEM, Texts := CompatTexts, Oberon;
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IMPORT SYSTEM, Texts := CompatTexts, Oberon; (* CompatTexts is voc adaptation by noch *)
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TYPE INTEGER = LONGINT; (* voc adaptation by noch *)
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@ -63,7 +63,7 @@ MODULE ORS; (* NW 19.9.93 / 1.4.2014 Scanner in Oberon-07*)
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IF (p > errpos) & (errcnt < 25) THEN
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Texts.WriteLn(W); Texts.WriteString(W, " pos "); Texts.WriteInt(W, p, 1); Texts.Write(W, " ");
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Texts.WriteString(W, msg); Texts.Append(Oberon.Log, W.buf);
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Oberon.DumpLog;
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Oberon.DumpLog; (* voc adaptation by noch *)
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END ;
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INC(errcnt); errpos := p + 4
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END Mark;
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@ -1,5 +1,5 @@
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SETPATH = MODULES=".:gcc:gcc/x86_64"
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SETPATH = MODULES=".:x86_64"
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VOC0 = $(SETPATH) /opt/voc/bin/voc
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677
src/voc07R/x86_64/CompatFiles.Mod
Normal file
677
src/voc07R/x86_64/CompatFiles.Mod
Normal file
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@ -0,0 +1,677 @@
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MODULE CompatFiles; (* J. Templ 1.12. 89/12.4.95 Oberon files mapped onto Unix files *)
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(* modified version of Files, which opens only the file provided and does not scan any path in any environment variable, also ReadLine procedure added; -- noch *)
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IMPORT SYSTEM, Unix, Kernel, Args, Console;
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(* standard data type I/O
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little endian,
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Sint:1, Int:2, Lint:4
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ORD({0}) = 1,
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false = 0, true =1
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IEEE real format,
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null terminated strings,
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compact numbers according to M.Odersky *)
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CONST
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nofbufs = 4;
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bufsize = 4096;
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fileTabSize = 64;
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noDesc = -1;
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notDone = -1;
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(* file states *)
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open = 0; create = 1; close = 2;
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TYPE
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FileName = ARRAY 101 OF CHAR;
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File* = POINTER TO Handle;
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Buffer = POINTER TO BufDesc;
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Handle = RECORD
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workName, registerName: FileName;
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tempFile: BOOLEAN;
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dev, ino, mtime: LONGINT;
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fd-: INTEGER; len, pos: LONGINT;
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bufs: ARRAY nofbufs OF Buffer;
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swapper, state: INTEGER
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END ;
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BufDesc = RECORD
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f: File;
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chg: BOOLEAN;
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org, size: LONGINT;
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data: ARRAY bufsize OF SYSTEM.BYTE
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END ;
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Rider* = RECORD
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res*: LONGINT;
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eof*: BOOLEAN;
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buf: Buffer;
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org, offset: LONGINT
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END ;
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Time = POINTER TO TimeDesc;
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TimeDesc = RECORD
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sec*, min*, hour*, mday*, mon*, year*, wday*, isdst*, zone*, gmtoff*: LONGINT;
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(* sec*, min*, hour*, mday*, mon*, year*, wday*, isdst*, zone*, gmtoff*: INTEGER;*)
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END ;
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VAR
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fileTab: ARRAY fileTabSize OF LONGINT (*=File*);
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tempno: INTEGER;
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(* for localtime *)
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PROCEDURE -includetime()
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'#include "time.h"';
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PROCEDURE -localtime(VAR clock: LONGINT): Time
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"(CompatFiles_Time) localtime(clock)";
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PROCEDURE -getcwd(VAR cwd: Unix.Name)
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"getcwd(cwd, cwd__len)";
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PROCEDURE -IdxTrap "__HALT(-1)";
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PROCEDURE^ Finalize(o: SYSTEM.PTR);
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PROCEDURE Err(s: ARRAY OF CHAR; f: File; errno: LONGINT);
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BEGIN
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Console.Ln; Console.String("-- "); Console.String(s); Console.String(": ");
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IF f # NIL THEN
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IF f.registerName # "" THEN Console.String(f.registerName) ELSE Console.String(f.workName) END
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END ;
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IF errno # 0 THEN Console.String(" errno = "); Console.Int(errno, 1) END ;
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Console.Ln;
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HALT(99)
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END Err;
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PROCEDURE MakeFileName(dir, name: ARRAY OF CHAR; VAR dest: ARRAY OF CHAR);
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VAR i, j: INTEGER;
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BEGIN i := 0; j := 0;
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WHILE dir[i] # 0X DO dest[i] := dir[i]; INC(i) END ;
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IF dest[i-1] # "/" THEN dest[i] := "/"; INC(i) END ;
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WHILE name[j] # 0X DO dest[i] := name[j]; INC(i); INC(j) END ;
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dest[i] := 0X
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END MakeFileName;
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PROCEDURE GetTempName(finalName: ARRAY OF CHAR; VAR name: ARRAY OF CHAR);
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VAR n, i, j: LONGINT;
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BEGIN
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INC(tempno); n := tempno; i := 0;
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IF finalName[0] # "/" THEN (* relative pathname *)
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WHILE Kernel.CWD[i] # 0X DO name[i] := Kernel.CWD[i]; INC(i) END;
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IF Kernel.CWD[i-1] # "/" THEN name[i] := "/"; INC(i) END
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END;
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j := 0;
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WHILE finalName[j] # 0X DO name[i] := finalName[j]; INC(i); INC(j) END;
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DEC(i);
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WHILE name[i] # "/" DO DEC(i) END;
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name[i+1] := "."; name[i+2] := "t"; name[i+3] := "m"; name[i+4] := "p"; name[i+5] := "."; INC(i, 6);
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WHILE n > 0 DO name[i] := CHR(n MOD 10 + ORD("0")); n := n DIV 10; INC(i) END;
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name[i] := "."; INC(i); n := SHORT(Unix.Getpid());
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WHILE n > 0 DO name[i] := CHR(n MOD 10 + ORD("0")); n := n DIV 10; INC(i) END;
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name[i] := 0X
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END GetTempName;
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PROCEDURE Create(f: File);
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VAR stat: Unix.Status; done: BOOLEAN;
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errno: LONGINT; err: ARRAY 32 OF CHAR;
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BEGIN
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IF f.fd = noDesc THEN
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IF f.state = create THEN GetTempName(f.registerName, f.workName); f.tempFile := TRUE
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ELSIF f.state = close THEN
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f.workName := f.registerName; f.registerName := ""; f.tempFile := FALSE
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END ;
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errno := Unix.Unlink(f.workName); (*unlink first to avoid stale NFS handles and to avoid reuse of inodes*)
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f.fd := Unix.Open(f.workName, SYSTEM.VAL(INTEGER, Unix.rdwr + Unix.creat + Unix.trunc), SYSTEM.VAL(LONGINT, {2, 4,5, 7,8}));
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done := f.fd >= 0; errno := Unix.errno();
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IF (~done & ((errno = Unix.ENFILE) OR (errno = Unix.EMFILE))) OR (done & (f.fd >= fileTabSize)) THEN
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IF done & (f.fd >= fileTabSize) THEN errno := Unix.Close(f.fd) END ;
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Kernel.GC(TRUE);
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f.fd := Unix.Open(f.workName, SYSTEM.VAL(INTEGER, Unix.rdwr + Unix.creat + Unix.trunc), SYSTEM.VAL(LONGINT, {2, 4,5, 7,8}));
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done := f.fd >= 0
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END ;
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IF done THEN
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IF f.fd >= fileTabSize THEN errno := Unix.Close(f.fd); Err("too many files open", f, 0)
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ELSE fileTab[f.fd] := SYSTEM.VAL(LONGINT, f); INC(Kernel.nofiles); Kernel.RegisterObject(f, Finalize);
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f.state := open; f.pos := 0; errno := Unix.Fstat(f.fd, stat);
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f.dev := stat.dev; f.ino := stat.ino; f.mtime := stat.mtime
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END
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ELSE errno := Unix.errno();
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IF errno = Unix.ENOENT THEN err := "no such directory"
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ELSIF (errno = Unix.ENFILE) OR (errno = Unix.EMFILE) THEN err := "too many files open"
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ELSE err := "file not created"
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END ;
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Err(err, f, errno)
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END
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END
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END Create;
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PROCEDURE Flush(buf: Buffer);
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VAR res: LONGINT; f: File; stat: Unix.Status;
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BEGIN
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IF buf.chg THEN f := buf.f; Create(f);
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IF buf.org # f.pos THEN res := Unix.Lseek(f.fd, buf.org, 0) END ;
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res := Unix.Write(f.fd, SYSTEM.ADR(buf.data), buf.size);
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IF res < 0 THEN Err("error in writing file", f, Unix.errno()) END ;
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f.pos := buf.org + buf.size;
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buf.chg := FALSE;
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res := Unix.Fstat(f.fd, stat);
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f.mtime := stat.mtime
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END
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END Flush;
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PROCEDURE Close* (f: File);
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VAR i, res: LONGINT;
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BEGIN
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IF (f.state # create) OR (f.registerName # "") THEN
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Create(f); i := 0;
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WHILE (i < nofbufs) & (f.bufs[i] # NIL) DO Flush(f.bufs[i]); INC(i) END ;
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res := Unix.Fsync(f.fd);
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IF res < 0 THEN Err("error in writing file", f, Unix.errno()) END
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END
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END Close;
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PROCEDURE Length* (f: File): LONGINT;
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BEGIN RETURN f.len
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END Length;
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PROCEDURE New* (name: ARRAY OF CHAR): File;
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VAR f: File;
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BEGIN
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NEW(f); f.workName := ""; COPY(name, f.registerName);
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f.fd := noDesc; f.state := create; f.len := 0; f.pos := 0; f.swapper := -1; (*all f.buf[i] = NIL*)
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RETURN f
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END New;
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(*
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PROCEDURE ScanPath(VAR pos: INTEGER; VAR dir: ARRAY OF CHAR); (* supports ~, ~user and blanks inside path *)
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VAR i: INTEGER; ch: CHAR; home: ARRAY 256 OF CHAR;
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BEGIN
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i := 0; ch := Kernel.OBERON[pos];
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WHILE (ch = " ") OR (ch = ":") DO INC(pos); ch := Kernel.OBERON[pos] END ;
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IF ch = "~" THEN
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INC(pos); ch := Kernel.OBERON[pos];
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home := ""; Args.GetEnv("HOME", home);
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WHILE home[i] # 0X DO dir[i] := home[i]; INC(i) END ;
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IF (ch # "/") & (ch # 0X) & (ch # ":") & (ch # " ") THEN
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WHILE (i > 0) & (dir[i-1] # "/") DO DEC(i) END
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END
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END ;
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WHILE (ch # 0X) & (ch # ":") DO dir[i] := ch; INC(i); INC(pos); ch := Kernel.OBERON[pos] END ;
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WHILE (i > 0) & (dir[i-1] = " ") DO DEC(i) END ;
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dir[i] := 0X
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END ScanPath;
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*)
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PROCEDURE HasDir(VAR name: ARRAY OF CHAR): BOOLEAN;
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VAR i: INTEGER; ch: CHAR;
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BEGIN i := 0; ch := name[0];
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WHILE (ch # 0X) & (ch # "/") DO INC(i); ch := name[i] END ;
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RETURN ch = "/"
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END HasDir;
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PROCEDURE CacheEntry(dev, ino: LONGINT; mtime: LONGINT): File;
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VAR f: File; i: INTEGER; stat: Unix.Status; res: LONGINT;
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BEGIN i := 0;
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WHILE i < fileTabSize DO
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f := SYSTEM.VAL(File, fileTab[i]);
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IF (f # NIL) & (ino = f.ino) & (dev = f.dev) THEN
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IF mtime # f.mtime THEN i := 0;
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WHILE i < nofbufs DO
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IF f.bufs[i] # NIL THEN f.bufs[i].org := -1; f.bufs[i] := NIL END ;
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INC(i)
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END ;
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f.swapper := -1; f.mtime := mtime;
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res := Unix.Fstat(f.fd, stat); f.len := stat.size
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END ;
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RETURN f
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END ;
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INC(i)
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END ;
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RETURN NIL
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END CacheEntry;
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PROCEDURE Old* (name: ARRAY OF CHAR): File;
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VAR f: File; fd, res: INTEGER; errno: LONGINT; pos: INTEGER; done: BOOLEAN;
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dir, path: ARRAY 256 OF CHAR;
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stat: Unix.Status;
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BEGIN
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IF name # "" THEN
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IF HasDir(name) THEN dir := ""; COPY(name, path)
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ELSE
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pos := 0;
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COPY(name, path); (* -- noch *)
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(*ScanPath(pos, dir);*) (*MakeFileName(dir, name, path);*) (*ScanPath(pos, dir)*)
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END ;
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LOOP
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fd := Unix.Open(path, SYSTEM.VAL(INTEGER, Unix.rdwr), (*{}*) 0); done := fd >= 0; errno := Unix.errno();
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IF (~done & ((errno = Unix.ENFILE) OR (errno = Unix.EMFILE))) OR (done & (fd >= fileTabSize)) THEN
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IF done & (fd >= fileTabSize) THEN res := Unix.Close(fd) END ;
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Kernel.GC(TRUE);
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fd := Unix.Open(path, SYSTEM.VAL(INTEGER, Unix.rdwr), (*{}*)0);
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done := fd >= 0; errno := Unix.errno();
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IF ~done & ((errno = Unix.ENFILE) OR (errno = Unix.EMFILE)) THEN Err("too many files open", f, errno) END
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END ;
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IF ~done & ((errno = Unix.EACCES) OR (errno = Unix.EROFS) OR (errno = Unix.EAGAIN)) THEN
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(* errno EAGAIN observed on Solaris 2.4 *)
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fd := Unix.Open(path, SYSTEM.VAL(INTEGER, Unix.rdonly), (*{}*)0); done := fd >= 0; errno := Unix.errno()
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END ;
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IF (~done) & (errno # Unix.ENOENT) THEN
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Console.String("warning Files.Old "); Console.String(name);
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Console.String(" errno = "); Console.Int(errno, 0); Console.Ln;
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END ;
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IF done THEN
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res := Unix.Fstat(fd, stat);
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f := CacheEntry(stat.dev, stat.ino, stat.mtime);
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IF f # NIL THEN res := Unix.Close(fd); RETURN f
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ELSIF fd >= fileTabSize THEN res := Unix.Close(fd); Err("too many files open", f, 0)
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ELSE NEW(f); fileTab[fd] := SYSTEM.VAL(LONGINT, f); INC(Kernel.nofiles); Kernel.RegisterObject(f, Finalize);
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f.fd := fd; f.state := open; f.len := stat.size; f.pos := 0; f.swapper := -1; (*all f.buf[i] = NIL*)
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COPY(name, f.workName); f.registerName := ""; f.tempFile := FALSE;
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f.dev := stat.dev; f.ino := stat.ino; f.mtime := stat.mtime;
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RETURN f
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END
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ELSIF dir = "" THEN RETURN NIL
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ELSE (*MakeFileName(dir, name, path);*) (*ScanPath(pos, dir)*)
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RETURN NIL
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END
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END
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ELSE RETURN NIL
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END
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END Old;
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PROCEDURE Purge* (f: File);
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VAR i: INTEGER; stat: Unix.Status; res: LONGINT;
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BEGIN i := 0;
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WHILE i < nofbufs DO
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IF f.bufs[i] # NIL THEN f.bufs[i].org := -1; f.bufs[i] := NIL END ;
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INC(i)
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END ;
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IF f.fd # noDesc THEN res := Unix.Ftruncate(f.fd, 0); res := Unix.Lseek(f.fd, 0, 0) END ;
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f.pos := 0; f.len := 0; f.swapper := -1;
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res := Unix.Fstat(f.fd, stat); f.mtime := stat.mtime
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END Purge;
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PROCEDURE GetDate* (f: File; VAR t, d: LONGINT);
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VAR stat: Unix.Status; clock, res: LONGINT; time: Time;
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BEGIN
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Create(f); res := Unix.Fstat(f.fd, stat);
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time := localtime(stat.mtime);
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t := time.sec + ASH(time.min, 6) + ASH(time.hour, 12);
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d := time.mday + ASH(time.mon+1, 5) + ASH(time.year MOD 100, 9)
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END GetDate;
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PROCEDURE Pos* (VAR r: Rider): LONGINT;
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BEGIN RETURN r.org + r.offset
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END Pos;
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PROCEDURE Set* (VAR r: Rider; f: File; pos: LONGINT);
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VAR org, offset, i, n, res: LONGINT; buf: Buffer;
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BEGIN
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IF f # NIL THEN
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IF pos > f.len THEN pos := f.len ELSIF pos < 0 THEN pos := 0 END ;
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offset := pos MOD bufsize; org := pos - offset; i := 0;
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WHILE (i < nofbufs) & (f.bufs[i] # NIL) & (org # f.bufs[i].org) DO INC(i) END ;
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IF i < nofbufs THEN
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IF f.bufs[i] = NIL THEN NEW(buf); buf.chg := FALSE; buf.org := -1; buf.f := f; f.bufs[i] := buf
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ELSE buf := f.bufs[i]
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END
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ELSE
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f.swapper := (f.swapper + 1) MOD nofbufs;
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buf := f.bufs[f.swapper];
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Flush(buf)
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END ;
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IF buf.org # org THEN
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IF org = f.len THEN buf.size := 0
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ELSE Create(f);
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IF f.pos # org THEN res := Unix.Lseek(f.fd, org, 0) END ;
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n := Unix.ReadBlk(f.fd, buf.data);
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IF n < 0 THEN Err("read from file not done", f, Unix.errno()) END ;
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f.pos := org + n;
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buf.size := n
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END ;
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buf.org := org; buf.chg := FALSE
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END
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ELSE buf := NIL; org := 0; offset := 0
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END ;
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r.buf := buf; r.org := org; r.offset := offset; r.eof := FALSE; r.res := 0
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END Set;
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PROCEDURE Read* (VAR r: Rider; VAR x: SYSTEM.BYTE);
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VAR offset: LONGINT; buf: Buffer;
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BEGIN
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buf := r.buf; offset := r.offset;
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IF r.org # buf.org THEN Set(r, buf.f, r.org + offset); buf := r.buf; offset := r.offset END ;
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IF (offset < buf.size) THEN
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x := buf.data[offset]; r.offset := offset + 1
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ELSIF r.org + offset < buf.f.len THEN
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Set(r, r.buf.f, r.org + offset);
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x := r.buf.data[0]; r.offset := 1
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ELSE
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x := 0X; r.eof := TRUE
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END
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END Read;
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PROCEDURE ReadBytes* (VAR r: Rider; VAR x: ARRAY OF SYSTEM.BYTE; n: LONGINT);
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VAR xpos, min, restInBuf, offset: LONGINT; buf: Buffer;
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BEGIN
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IF n > LEN(x) THEN IdxTrap END ;
|
||||
xpos := 0; buf := r.buf; offset := r.offset;
|
||||
WHILE n > 0 DO
|
||||
IF (r.org # buf.org) OR (offset >= bufsize) THEN
|
||||
Set(r, buf.f, r.org + offset);
|
||||
buf := r.buf; offset := r.offset
|
||||
END ;
|
||||
restInBuf := buf.size - offset;
|
||||
IF restInBuf = 0 THEN r.res := n; r.eof := TRUE; RETURN
|
||||
ELSIF n > restInBuf THEN min := restInBuf ELSE min := n END ;
|
||||
SYSTEM.MOVE(SYSTEM.ADR(buf.data) + offset, SYSTEM.ADR(x) + xpos, min);
|
||||
INC(offset, min); r.offset := offset; INC(xpos, min); DEC(n, min)
|
||||
END ;
|
||||
r.res := 0; r.eof := FALSE
|
||||
END ReadBytes;
|
||||
|
||||
PROCEDURE ReadByte* (VAR r : Rider; VAR x : ARRAY OF SYSTEM.BYTE);
|
||||
BEGIN
|
||||
ReadBytes(r, x, 1);
|
||||
END ReadByte;
|
||||
|
||||
PROCEDURE Base* (VAR r: Rider): File;
|
||||
BEGIN RETURN r.buf.f
|
||||
END Base;
|
||||
|
||||
PROCEDURE Write* (VAR r: Rider; x: SYSTEM.BYTE);
|
||||
VAR buf: Buffer; offset: LONGINT;
|
||||
BEGIN
|
||||
buf := r.buf; offset := r.offset;
|
||||
IF (r.org # buf.org) OR (offset >= bufsize) THEN
|
||||
Set(r, buf.f, r.org + offset);
|
||||
buf := r.buf; offset := r.offset
|
||||
END ;
|
||||
buf.data[offset] := x;
|
||||
buf.chg := TRUE;
|
||||
IF offset = buf.size THEN
|
||||
INC(buf.size); INC(buf.f.len)
|
||||
END ;
|
||||
r.offset := offset + 1; r.res := 0
|
||||
END Write;
|
||||
|
||||
PROCEDURE WriteByte* (VAR r : Rider; x : SYSTEM.BYTE); (* added for compatibility with PO 2013, -- noch *)
|
||||
BEGIN
|
||||
Write(r, x);
|
||||
END WriteByte;
|
||||
|
||||
PROCEDURE WriteBytes* (VAR r: Rider; VAR x: ARRAY OF SYSTEM.BYTE; n: LONGINT);
|
||||
VAR xpos, min, restInBuf, offset: LONGINT; buf: Buffer;
|
||||
BEGIN
|
||||
IF n > LEN(x) THEN IdxTrap END ;
|
||||
xpos := 0; buf := r.buf; offset := r.offset;
|
||||
WHILE n > 0 DO
|
||||
IF (r.org # buf.org) OR (offset >= bufsize) THEN
|
||||
Set(r, buf.f, r.org + offset);
|
||||
buf := r.buf; offset := r.offset
|
||||
END ;
|
||||
restInBuf := bufsize - offset;
|
||||
IF n > restInBuf THEN min := restInBuf ELSE min := n END ;
|
||||
SYSTEM.MOVE(SYSTEM.ADR(x) + xpos, SYSTEM.ADR(buf.data) + offset, min);
|
||||
INC(offset, min); r.offset := offset;
|
||||
IF offset > buf.size THEN INC(buf.f.len, offset - buf.size); buf.size := offset END ;
|
||||
INC(xpos, min); DEC(n, min); buf.chg := TRUE
|
||||
END ;
|
||||
r.res := 0
|
||||
END WriteBytes;
|
||||
|
||||
(* another solution would be one that is similar to ReadBytes, WriteBytes.
|
||||
No code duplication, more symmetric, only two ifs for
|
||||
Read and Write in buffer, buf.size replaced by bufsize in Write ops, buf.size and len
|
||||
must be made consistent with offset (if offset > buf.size) in a lazy way.
|
||||
|
||||
PROCEDURE Write* (VAR r: Rider; x: SYSTEM.BYTE);
|
||||
VAR buf: Buffer; offset: LONGINT;
|
||||
BEGIN
|
||||
buf := r.buf; offset := r.offset;
|
||||
IF (offset >= bufsize) OR (r.org # buf.org) THEN
|
||||
Set(r, buf.f, r.org + offset); buf := r.buf; offset := r.offset;
|
||||
END ;
|
||||
buf.data[offset] := x; r.offset := offset + 1; buf.chg := TRUE
|
||||
END Write;
|
||||
|
||||
|
||||
PROCEDURE WriteBytes ...
|
||||
|
||||
PROCEDURE Read* (VAR r: Rider; VAR x: SYSTEM.BYTE);
|
||||
VAR offset: LONGINT; buf: Buffer;
|
||||
BEGIN
|
||||
buf := r.buf; offset := r.offset;
|
||||
IF (offset >= buf.size) OR (r.org # buf.org) THEN
|
||||
IF r.org + offset >= buf.f.len THEN x := 0X; r.eof := TRUE; RETURN
|
||||
ELSE Set(r, buf.f, r.org + offset); buf := r.buf; offset := r.offset
|
||||
END
|
||||
END ;
|
||||
x := buf.data[offset]; r.offset := offset + 1
|
||||
END Read;
|
||||
|
||||
but this would also affect Set, Length, and Flush.
|
||||
Especially Length would become fairly complex.
|
||||
*)
|
||||
|
||||
PROCEDURE Delete* (name: ARRAY OF CHAR; VAR res: INTEGER);
|
||||
BEGIN
|
||||
res := SHORT(Unix.Unlink(name));
|
||||
res := SHORT(Unix.errno())
|
||||
END Delete;
|
||||
|
||||
PROCEDURE Rename* (old, new: ARRAY OF CHAR; VAR res: INTEGER);
|
||||
VAR fdold, fdnew: INTEGER; n, errno, r: LONGINT;
|
||||
ostat, nstat: Unix.Status;
|
||||
buf: ARRAY 4096 OF CHAR;
|
||||
BEGIN
|
||||
r := Unix.Stat(old, ostat);
|
||||
IF r >= 0 THEN
|
||||
r := Unix.Stat(new, nstat);
|
||||
IF (r >= 0) & ((ostat.dev # nstat.dev) OR (ostat.ino # nstat.ino)) THEN
|
||||
Delete(new, res); (* work around stale nfs handles *)
|
||||
END ;
|
||||
r := Unix.Rename(old, new);
|
||||
IF r < 0 THEN res := SHORT(Unix.errno());
|
||||
IF res = Unix.EXDEV THEN (* cross device link, move the file *)
|
||||
fdold := Unix.Open(old, SYSTEM.VAL(INTEGER, Unix.rdonly), (*{}*)0);
|
||||
IF fdold < 0 THEN res := 2; RETURN END ;
|
||||
fdnew := Unix.Open(new, SYSTEM.VAL(INTEGER, Unix.rdwr + Unix.creat + Unix.trunc), SYSTEM.VAL(LONGINT, {2, 4,5, 7,8}));
|
||||
IF fdnew < 0 THEN r := Unix.Close(fdold); res := 3; RETURN END ;
|
||||
n := Unix.Read(fdold, SYSTEM.ADR(buf), bufsize);
|
||||
WHILE n > 0 DO
|
||||
r := Unix.Write(fdnew, SYSTEM.ADR(buf), n);
|
||||
IF r < 0 THEN errno := Unix.errno(); r := Unix.Close(fdold); r := Unix.Close(fdnew);
|
||||
Err("cannot move file", NIL, errno)
|
||||
END ;
|
||||
n := Unix.Read(fdold, SYSTEM.ADR(buf), bufsize)
|
||||
END ;
|
||||
errno := Unix.errno();
|
||||
r := Unix.Close(fdold); r := Unix.Close(fdnew);
|
||||
IF n = 0 THEN r := Unix.Unlink(old); res := 0
|
||||
ELSE Err("cannot move file", NIL, errno)
|
||||
END ;
|
||||
ELSE RETURN (* res is Unix.Rename return code *)
|
||||
END
|
||||
END ;
|
||||
res := 0
|
||||
ELSE res := 2 (* old file not found *)
|
||||
END
|
||||
END Rename;
|
||||
|
||||
PROCEDURE Register* (f: File);
|
||||
VAR idx, errno: INTEGER; f1: File; file: ARRAY 104 OF CHAR;
|
||||
BEGIN
|
||||
IF (f.state = create) & (f.registerName # "") THEN f.state := close (* shortcut renaming *) END ;
|
||||
Close(f);
|
||||
IF f.registerName # "" THEN
|
||||
Rename(f.workName, f.registerName, errno);
|
||||
IF errno # 0 THEN COPY(f.registerName, file); HALT(99) END ;
|
||||
f.workName := f.registerName; f.registerName := ""; f.tempFile := FALSE
|
||||
END
|
||||
END Register;
|
||||
|
||||
PROCEDURE ChangeDirectory*(path: ARRAY OF CHAR; VAR res: INTEGER);
|
||||
BEGIN
|
||||
res := SHORT(Unix.Chdir(path));
|
||||
getcwd(Kernel.CWD)
|
||||
END ChangeDirectory;
|
||||
|
||||
PROCEDURE FlipBytes(VAR src, dest: ARRAY OF SYSTEM.BYTE);
|
||||
VAR i, j: LONGINT;
|
||||
BEGIN
|
||||
IF ~Kernel.littleEndian THEN i := LEN(src); j := 0;
|
||||
WHILE i > 0 DO DEC(i); dest[j] := src[i]; INC(j) END
|
||||
ELSE SYSTEM.MOVE(SYSTEM.ADR(src), SYSTEM.ADR(dest), LEN(src))
|
||||
END
|
||||
END FlipBytes;
|
||||
|
||||
PROCEDURE ReadBool* (VAR R: Rider; VAR x: BOOLEAN);
|
||||
BEGIN Read(R, SYSTEM.VAL(CHAR, x))
|
||||
END ReadBool;
|
||||
|
||||
(* PROCEDURE ReadInt* (VAR R: Rider; VAR x: INTEGER);
|
||||
VAR b: ARRAY 2 OF CHAR;
|
||||
BEGIN ReadBytes(R, b, 2);
|
||||
x := ORD(b[0]) + ORD(b[1])*256
|
||||
END ReadInt;
|
||||
*)
|
||||
|
||||
PROCEDURE ReadInt* (VAR R: Rider; VAR x: LONGINT); (* to compile OR compiler; -- noch *)
|
||||
VAR b: ARRAY 4 OF CHAR;
|
||||
BEGIN ReadBytes(R, b, 4);
|
||||
x := ORD(b[0]) + ORD(b[1])*100H + ORD(b[2])*10000H + ORD(b[3])*1000000H
|
||||
END ReadInt;
|
||||
|
||||
PROCEDURE ReadLInt* (VAR R: Rider; VAR x: LONGINT);
|
||||
VAR b: ARRAY 4 OF CHAR;
|
||||
BEGIN ReadBytes(R, b, 4);
|
||||
x := ORD(b[0]) + ORD(b[1])*100H + ORD(b[2])*10000H + ORD(b[3])*1000000H
|
||||
END ReadLInt;
|
||||
|
||||
PROCEDURE ReadSet* (VAR R: Rider; VAR x: SET);
|
||||
VAR b: ARRAY 4 OF CHAR;
|
||||
BEGIN ReadBytes(R, b, 4);
|
||||
x := SYSTEM.VAL(SET, ORD(b[0]) + ORD(b[1])*100H + ORD(b[2])*10000H + ORD(b[3])*1000000H)
|
||||
END ReadSet;
|
||||
|
||||
PROCEDURE ReadReal* (VAR R: Rider; VAR x: REAL);
|
||||
VAR b: ARRAY 4 OF CHAR;
|
||||
BEGIN ReadBytes(R, b, 4); FlipBytes(b, x)
|
||||
END ReadReal;
|
||||
|
||||
PROCEDURE ReadLReal* (VAR R: Rider; VAR x: LONGREAL);
|
||||
VAR b: ARRAY 8 OF CHAR;
|
||||
BEGIN ReadBytes(R, b, 8); FlipBytes(b, x)
|
||||
END ReadLReal;
|
||||
|
||||
PROCEDURE ReadString* (VAR R: Rider; VAR x: ARRAY OF CHAR);
|
||||
VAR i: INTEGER; ch: CHAR;
|
||||
BEGIN i := 0;
|
||||
REPEAT Read(R, ch); x[i] := ch; INC(i) UNTIL ch = 0X
|
||||
END ReadString;
|
||||
|
||||
(* need to read line; -- noch *)
|
||||
PROCEDURE ReadLine* (VAR R: Rider; VAR x: ARRAY OF CHAR);
|
||||
VAR i: INTEGER; ch: CHAR; b : BOOLEAN;
|
||||
BEGIN i := 0;
|
||||
b := FALSE;
|
||||
REPEAT
|
||||
Read(R, ch);
|
||||
IF ((ch = 0X) OR (ch = 0AX) OR (ch = 0DX)) THEN
|
||||
b := TRUE
|
||||
ELSE
|
||||
x[i] := ch;
|
||||
INC(i);
|
||||
END;
|
||||
UNTIL b
|
||||
END ReadLine;
|
||||
|
||||
PROCEDURE ReadNum* (VAR R: Rider; VAR x: LONGINT);
|
||||
VAR s: SHORTINT; ch: CHAR; n: LONGINT;
|
||||
BEGIN s := 0; n := 0; Read(R, ch);
|
||||
WHILE ORD(ch) >= 128 DO INC(n, ASH(ORD(ch) - 128, s) ); INC(s, 7); Read(R, ch) END;
|
||||
INC(n, ASH(ORD(ch) MOD 64 - ORD(ch) DIV 64 * 64, s) );
|
||||
x := n
|
||||
END ReadNum;
|
||||
|
||||
PROCEDURE WriteBool* (VAR R: Rider; x: BOOLEAN);
|
||||
BEGIN Write(R, SYSTEM.VAL(CHAR, x))
|
||||
END WriteBool;
|
||||
|
||||
(* PROCEDURE WriteInt* (VAR R: Rider; x: INTEGER);
|
||||
VAR b: ARRAY 2 OF CHAR;
|
||||
BEGIN b[0] := CHR(x); b[1] := CHR(x DIV 256);
|
||||
WriteBytes(R, b, 2);
|
||||
END WriteInt;
|
||||
*)
|
||||
PROCEDURE WriteInt* (VAR R: Rider; x: LONGINT); (* to compile OR compiler; -- noch *)
|
||||
VAR b: ARRAY 4 OF CHAR;
|
||||
BEGIN
|
||||
b[0] := CHR(x); b[1] := CHR(x DIV 100H); b[2] := CHR(x DIV 10000H); b[3] := CHR(x DIV 1000000H);
|
||||
WriteBytes(R, b, 4);
|
||||
END WriteInt;
|
||||
|
||||
PROCEDURE WriteLInt* (VAR R: Rider; x: LONGINT);
|
||||
VAR b: ARRAY 4 OF CHAR;
|
||||
BEGIN
|
||||
b[0] := CHR(x); b[1] := CHR(x DIV 100H); b[2] := CHR(x DIV 10000H); b[3] := CHR(x DIV 1000000H);
|
||||
WriteBytes(R, b, 4);
|
||||
END WriteLInt;
|
||||
|
||||
PROCEDURE WriteSet* (VAR R: Rider; x: SET);
|
||||
VAR b: ARRAY 4 OF CHAR; i: LONGINT;
|
||||
BEGIN i := SYSTEM.VAL(LONGINT, x);
|
||||
b[0] := CHR(i); b[1] := CHR(i DIV 100H); b[2] := CHR(i DIV 10000H); b[3] := CHR(i DIV 1000000H);
|
||||
WriteBytes(R, b, 4);
|
||||
END WriteSet;
|
||||
|
||||
PROCEDURE WriteReal* (VAR R: Rider; x: REAL);
|
||||
VAR b: ARRAY 4 OF CHAR;
|
||||
BEGIN FlipBytes(x, b); WriteBytes(R, b, 4)
|
||||
END WriteReal;
|
||||
|
||||
PROCEDURE WriteLReal* (VAR R: Rider; x: LONGREAL);
|
||||
VAR b: ARRAY 8 OF CHAR;
|
||||
BEGIN FlipBytes(x, b); WriteBytes(R, b, 8)
|
||||
END WriteLReal;
|
||||
|
||||
PROCEDURE WriteString* (VAR R: Rider; x: ARRAY [1] OF CHAR);
|
||||
VAR i: INTEGER;
|
||||
BEGIN i := 0;
|
||||
WHILE x[i] # 0X DO INC(i) END ;
|
||||
WriteBytes(R, x, i+1)
|
||||
END WriteString;
|
||||
|
||||
PROCEDURE WriteNum* (VAR R: Rider; x: LONGINT);
|
||||
BEGIN
|
||||
WHILE (x < - 64) OR (x > 63) DO Write(R, CHR(x MOD 128 + 128)); x := x DIV 128 END;
|
||||
Write(R, CHR(x MOD 128))
|
||||
END WriteNum;
|
||||
|
||||
PROCEDURE GetName*(f: File; VAR name: ARRAY OF CHAR);
|
||||
BEGIN
|
||||
COPY (f.workName, name);
|
||||
END GetName;
|
||||
|
||||
PROCEDURE Finalize(o: SYSTEM.PTR);
|
||||
VAR f: File; res: LONGINT;
|
||||
BEGIN
|
||||
f := SYSTEM.VAL(File, o);
|
||||
IF f.fd >= 0 THEN
|
||||
fileTab[f.fd] := 0; res := Unix.Close(f.fd); f.fd := -1; DEC(Kernel.nofiles);
|
||||
IF f.tempFile THEN res := Unix.Unlink(f.workName) END
|
||||
END
|
||||
END Finalize;
|
||||
|
||||
PROCEDURE Init;
|
||||
VAR i: LONGINT;
|
||||
BEGIN
|
||||
i := 0; WHILE i < fileTabSize DO fileTab[i] := 0; INC(i) END ;
|
||||
tempno := -1; Kernel.nofiles := 0
|
||||
END Init;
|
||||
|
||||
BEGIN Init
|
||||
END CompatFiles.
|
||||
Loading…
Add table
Add a link
Reference in a new issue