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author | Araq <rumpf_a@web.de> | 2014-08-23 00:58:04 +0200 |
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committer | Araq <rumpf_a@web.de> | 2014-08-23 00:58:04 +0200 |
commit | fc0fda14ae1caf83d1b39029bebb702ff306b1e0 (patch) | |
tree | 2d7a7e97e8aa65bb907f2a377519c0bc9d75cb4b /lib/system/sysio.nim | |
parent | dbf9117c562601d6b571d964a6cb152e95fe8c4e (diff) | |
download | Nim-fc0fda14ae1caf83d1b39029bebb702ff306b1e0.tar.gz |
system files use new identifiers
Diffstat (limited to 'lib/system/sysio.nim')
-rw-r--r-- | lib/system/sysio.nim | 122 |
1 files changed, 61 insertions, 61 deletions
diff --git a/lib/system/sysio.nim b/lib/system/sysio.nim index 32d4c3e91..56de5e6e8 100644 --- a/lib/system/sysio.nim +++ b/lib/system/sysio.nim @@ -1,6 +1,6 @@ # # -# Nimrod's Runtime Library +# Nim's Runtime Library # (c) Copyright 2013 Andreas Rumpf # # See the file "copying.txt", included in this @@ -8,7 +8,7 @@ # -# Nimrod's standard IO library. It contains high-performance +# Nim's standard IO library. It contains high-performance # routines for reading and writing data to (buffered) files or # TTYs. @@ -16,33 +16,33 @@ # of the standard library! -proc fputs(c: cstring, f: TFile) {.importc: "fputs", header: "<stdio.h>", - tags: [FWriteIO].} -proc fgets(c: cstring, n: int, f: TFile): cstring {. - importc: "fgets", header: "<stdio.h>", tags: [FReadIO].} -proc fgetc(stream: TFile): cint {.importc: "fgetc", header: "<stdio.h>", - tags: [FReadIO].} -proc ungetc(c: cint, f: TFile) {.importc: "ungetc", header: "<stdio.h>", +proc fputs(c: cstring, f: File) {.importc: "fputs", header: "<stdio.h>", + tags: [WriteIOEffect].} +proc fgets(c: cstring, n: int, f: File): cstring {. + importc: "fgets", header: "<stdio.h>", tags: [ReadIOEffect].} +proc fgetc(stream: File): cint {.importc: "fgetc", header: "<stdio.h>", + tags: [ReadIOEffect].} +proc ungetc(c: cint, f: File) {.importc: "ungetc", header: "<stdio.h>", tags: [].} -proc putc(c: char, stream: TFile) {.importc: "putc", header: "<stdio.h>", - tags: [FWriteIO].} -proc fprintf(f: TFile, frmt: cstring) {.importc: "fprintf", - header: "<stdio.h>", varargs, tags: [FWriteIO].} +proc putc(c: char, stream: File) {.importc: "putc", header: "<stdio.h>", + tags: [WriteIOEffect].} +proc fprintf(f: File, frmt: cstring) {.importc: "fprintf", + header: "<stdio.h>", varargs, tags: [WriteIOEffect].} proc strlen(c: cstring): int {. importc: "strlen", header: "<string.h>", tags: [].} # C routine that is used here: -proc fread(buf: pointer, size, n: int, f: TFile): int {. - importc: "fread", header: "<stdio.h>", tags: [FReadIO].} -proc fseek(f: TFile, offset: clong, whence: int): int {. +proc fread(buf: pointer, size, n: int, f: File): int {. + importc: "fread", header: "<stdio.h>", tags: [ReadIOEffect].} +proc fseek(f: File, offset: clong, whence: int): int {. importc: "fseek", header: "<stdio.h>", tags: [].} -proc ftell(f: TFile): int {.importc: "ftell", header: "<stdio.h>", tags: [].} -proc setvbuf(stream: TFile, buf: pointer, typ, size: cint): cint {. +proc ftell(f: File): int {.importc: "ftell", header: "<stdio.h>", tags: [].} +proc setvbuf(stream: File, buf: pointer, typ, size: cint): cint {. importc, header: "<stdio.h>", tags: [].} {.push stackTrace:off, profiler:off.} -proc write(f: TFile, c: cstring) = fputs(c, f) +proc write(f: File, c: cstring) = fputs(c, f) {.pop.} when NoFakeVars: @@ -65,9 +65,9 @@ const BufSize = 4000 proc raiseEIO(msg: string) {.noinline, noreturn.} = - sysFatal(EIO, msg) + sysFatal(IOError, msg) -proc readLine(f: TFile, line: var TaintedString): bool = +proc readLine(f: File, line: var TaintedString): bool = # of course this could be optimized a bit; but IO is slow anyway... # and it was difficult to get this CORRECT with Ansi C's methods setLen(line.string, 0) # reuse the buffer! @@ -84,34 +84,34 @@ proc readLine(f: TFile, line: var TaintedString): bool = add line.string, chr(int(c)) result = true -proc readLine(f: TFile): TaintedString = +proc readLine(f: File): TaintedString = result = TaintedString(newStringOfCap(80)) if not readLine(f, result): raiseEIO("EOF reached") -proc write(f: TFile, i: int) = +proc write(f: File, i: int) = when sizeof(int) == 8: fprintf(f, "%lld", i) else: fprintf(f, "%ld", i) -proc write(f: TFile, i: BiggestInt) = +proc write(f: File, i: BiggestInt) = when sizeof(BiggestInt) == 8: fprintf(f, "%lld", i) else: fprintf(f, "%ld", i) -proc write(f: TFile, b: bool) = +proc write(f: File, b: bool) = if b: write(f, "true") else: write(f, "false") -proc write(f: TFile, r: float32) = fprintf(f, "%g", r) -proc write(f: TFile, r: BiggestFloat) = fprintf(f, "%g", r) +proc write(f: File, r: float32) = fprintf(f, "%g", r) +proc write(f: File, r: BiggestFloat) = fprintf(f, "%g", r) -proc write(f: TFile, c: char) = putc(c, f) -proc write(f: TFile, a: varargs[string, `$`]) = +proc write(f: File, c: char) = putc(c, f) +proc write(f: File, a: varargs[string, `$`]) = for x in items(a): write(f, x) -proc readAllBuffer(file: TFile): string = - # This proc is for TFile we want to read but don't know how many +proc readAllBuffer(file: File): string = + # This proc is for File we want to read but don't know how many # bytes we need to read before the buffer is empty. result = "" var buffer = newString(BufSize) @@ -124,27 +124,27 @@ proc readAllBuffer(file: TFile): string = result.add(buffer) break -proc rawFileSize(file: TFile): int = +proc rawFileSize(file: File): int = # this does not raise an error opposed to `getFileSize` var oldPos = ftell(file) discard fseek(file, 0, 2) # seek the end of the file result = ftell(file) discard fseek(file, clong(oldPos), 0) -proc readAllFile(file: TFile, len: int): string = +proc readAllFile(file: File, len: int): string = # We aquire the filesize beforehand and hope it doesn't change. # Speeds things up. result = newString(int(len)) if readBuffer(file, addr(result[0]), int(len)) != len: raiseEIO("error while reading from file") -proc readAllFile(file: TFile): string = +proc readAllFile(file: File): string = var len = rawFileSize(file) result = readAllFile(file, len) -proc readAll(file: TFile): TaintedString = +proc readAll(file: File): TaintedString = # Separate handling needed because we need to buffer when we - # don't know the overall length of the TFile. + # don't know the overall length of the File. var len = rawFileSize(file) if len >= 0: result = readAllFile(file, len).TaintedString @@ -165,13 +165,13 @@ proc writeFile(filename, content: string) = finally: close(f) -proc endOfFile(f: TFile): bool = +proc endOfFile(f: File): bool = # do not blame me; blame the ANSI C standard this is so brain-damaged var c = fgetc(f) ungetc(c, f) return c < 0'i32 -proc writeln[Ty](f: TFile, x: varargs[Ty, `$`]) = +proc writeln[Ty](f: File, x: varargs[Ty, `$`]) = for i in items(x): write(f, i) write(f, "\n") @@ -186,7 +186,7 @@ when (defined(windows) and not defined(useWinAnsi)) or defined(nimdoc): when defined(windows) and not defined(useWinAnsi): proc wfopen(filename, mode: WideCString): pointer {. importc: "_wfopen", nodecl.} - proc wfreopen(filename, mode: WideCString, stream: TFile): TFile {. + proc wfreopen(filename, mode: WideCString, stream: File): File {. importc: "_wfreopen", nodecl.} proc fopen(filename, mode: cstring): pointer = @@ -194,82 +194,82 @@ when defined(windows) and not defined(useWinAnsi): var m = newWideCString(mode) result = wfopen(f, m) - proc freopen(filename, mode: cstring, stream: TFile): TFile = + proc freopen(filename, mode: cstring, stream: File): File = var f = newWideCString(filename) var m = newWideCString(mode) result = wfreopen(f, m, stream) else: proc fopen(filename, mode: cstring): pointer {.importc: "fopen", noDecl.} - proc freopen(filename, mode: cstring, stream: TFile): TFile {. + proc freopen(filename, mode: cstring, stream: File): File {. importc: "freopen", nodecl.} const - FormatOpen: array [TFileMode, string] = ["rb", "wb", "w+b", "r+b", "ab"] + FormatOpen: array [FileMode, string] = ["rb", "wb", "w+b", "r+b", "ab"] #"rt", "wt", "w+t", "r+t", "at" - # we always use binary here as for Nimrod the OS line ending + # we always use binary here as for Nim the OS line ending # should not be translated. -proc open(f: var TFile, filename: string, - mode: TFileMode = fmRead, +proc open(f: var File, filename: string, + mode: FileMode = fmRead, bufSize: int = -1): bool = var p: pointer = fopen(filename, FormatOpen[mode]) result = (p != nil) - f = cast[TFile](p) + f = cast[File](p) if bufSize > 0 and bufSize <= high(cint).int: if setvbuf(f, nil, IOFBF, bufSize.cint) != 0'i32: - sysFatal(EOutOfMemory, "out of memory") + sysFatal(OutOfMemError, "out of memory") elif bufSize == 0: discard setvbuf(f, nil, IONBF, 0) -proc reopen(f: TFile, filename: string, mode: TFileMode = fmRead): bool = +proc reopen(f: File, filename: string, mode: FileMode = fmRead): bool = var p: pointer = freopen(filename, FormatOpen[mode], f) result = p != nil -proc fdopen(filehandle: TFileHandle, mode: cstring): TFile {. +proc fdopen(filehandle: FileHandle, mode: cstring): File {. importc: pccHack & "fdopen", header: "<stdio.h>".} -proc open(f: var TFile, filehandle: TFileHandle, mode: TFileMode): bool = +proc open(f: var File, filehandle: FileHandle, mode: FileMode): bool = f = fdopen(filehandle, FormatOpen[mode]) result = f != nil -proc fwrite(buf: pointer, size, n: int, f: TFile): int {. +proc fwrite(buf: pointer, size, n: int, f: File): int {. importc: "fwrite", noDecl.} -proc readBuffer(f: TFile, buffer: pointer, len: int): int = +proc readBuffer(f: File, buffer: pointer, len: int): int = result = fread(buffer, 1, len, f) -proc readBytes(f: TFile, a: var openArray[int8], start, len: int): int = +proc readBytes(f: File, a: var openArray[int8], start, len: int): int = result = readBuffer(f, addr(a[start]), len) -proc readChars(f: TFile, a: var openArray[char], start, len: int): int = +proc readChars(f: File, a: var openArray[char], start, len: int): int = result = readBuffer(f, addr(a[start]), len) {.push stackTrace:off, profiler:off.} -proc writeBytes(f: TFile, a: openArray[int8], start, len: int): int = +proc writeBytes(f: File, a: openArray[int8], start, len: int): int = var x = cast[ptr array[0..1000_000_000, int8]](a) result = writeBuffer(f, addr(x[start]), len) -proc writeChars(f: TFile, a: openArray[char], start, len: int): int = +proc writeChars(f: File, a: openArray[char], start, len: int): int = var x = cast[ptr array[0..1000_000_000, int8]](a) result = writeBuffer(f, addr(x[start]), len) -proc writeBuffer(f: TFile, buffer: pointer, len: int): int = +proc writeBuffer(f: File, buffer: pointer, len: int): int = result = fwrite(buffer, 1, len, f) -proc write(f: TFile, s: string) = +proc write(f: File, s: string) = if writeBuffer(f, cstring(s), s.len) != s.len: raiseEIO("cannot write string to file") {.pop.} -proc setFilePos(f: TFile, pos: int64) = +proc setFilePos(f: File, pos: int64) = if fseek(f, clong(pos), 0) != 0: raiseEIO("cannot set file position") -proc getFilePos(f: TFile): int64 = +proc getFilePos(f: File): int64 = result = ftell(f) if result < 0: raiseEIO("cannot retrieve file position") -proc getFileSize(f: TFile): int64 = +proc getFileSize(f: File): int64 = var oldPos = getFilePos(f) discard fseek(f, 0, 2) # seek the end of the file result = getFilePos(f) |