diff options
Diffstat (limited to 'lib')
69 files changed, 3046 insertions, 2594 deletions
diff --git a/lib/core/macros.nim b/lib/core/macros.nim index bd1de9cd7..7646b165c 100644 --- a/lib/core/macros.nim +++ b/lib/core/macros.nim @@ -93,6 +93,8 @@ type nnkFuncDef, nnkTupleConstr, nnkError, ## erroneous AST node + nnkModuleRef, nnkReplayAction, nnkNilRodNode ## internal IC nodes + nnkOpenSym NimNodeKinds* = set[NimNodeKind] NimTypeKind* = enum # some types are no longer used, see ast.nim @@ -277,7 +279,7 @@ when (NimMajor, NimMinor, NimPatch) >= (1, 3, 5) or defined(nimSymImplTransform) ## note that code transformations are implementation dependent and subject to change. ## See an example in `tests/macros/tmacros_various.nim`. -proc owner*(sym: NimNode): NimNode {.magic: "SymOwner", noSideEffect.} +proc owner*(sym: NimNode): NimNode {.magic: "SymOwner", noSideEffect, deprecated.} ## Accepts a node of kind `nnkSym` and returns its owner's symbol. ## The meaning of 'owner' depends on `sym`'s `NimSymKind` and declaration ## context. For top level declarations this is an `nskModule` symbol, @@ -1407,7 +1409,7 @@ proc `$`*(node: NimNode): string = result = node.basename.strVal & "*" of nnkStrLit..nnkTripleStrLit, nnkCommentStmt, nnkSym, nnkIdent: result = node.strVal - of nnkOpenSymChoice, nnkClosedSymChoice: + of nnkOpenSymChoice, nnkClosedSymChoice, nnkOpenSym: result = $node[0] of nnkAccQuoted: result = "" diff --git a/lib/core/typeinfo.nim b/lib/core/typeinfo.nim index 5075c8458..f2fee91c4 100644 --- a/lib/core/typeinfo.nim +++ b/lib/core/typeinfo.nim @@ -129,7 +129,9 @@ when not defined(gcDestructors): else: proc nimNewObj(size, align: int): pointer {.importCompilerProc.} proc newSeqPayload(cap, elemSize, elemAlign: int): pointer {.importCompilerProc.} - proc prepareSeqAdd(len: int; p: pointer; addlen, elemSize, elemAlign: int): pointer {. + proc prepareSeqAddUninit(len: int; p: pointer; addlen, elemSize, elemAlign: int): pointer {. + importCompilerProc.} + proc zeroNewElements(len: int; p: pointer; addlen, elemSize, elemAlign: int) {. importCompilerProc.} template `+!!`(a, b): untyped = cast[pointer](cast[int](a) + b) @@ -159,16 +161,6 @@ proc newAny(value: pointer, rawType: PNimType): Any {.inline.} = result.value = value result.rawType = rawType -when declared(system.VarSlot): - proc toAny*(x: VarSlot): Any {.inline.} = - ## Constructs an `Any` object from a variable slot `x`. - ## This captures `x`'s address, so `x` can be modified with its - ## `Any` wrapper! The caller needs to ensure that the wrapper - ## **does not** live longer than `x`! - ## This is provided for easier reflection capabilities of a debugger. - result.value = x.address - result.rawType = x.typ - proc toAny*[T](x: var T): Any {.inline.} = ## Constructs an `Any` object from `x`. This captures `x`'s address, so ## `x` can be modified with its `Any` wrapper! The caller needs to ensure @@ -221,7 +213,8 @@ proc extendSeq*(x: Any) = var s = cast[ptr NimSeqV2Reimpl](x.value) let elem = x.rawType.base if s.p == nil or s.p.cap < s.len+1: - s.p = cast[ptr NimSeqPayloadReimpl](prepareSeqAdd(s.len, s.p, 1, elem.size, elem.align)) + s.p = cast[ptr NimSeqPayloadReimpl](prepareSeqAddUninit(s.len, s.p, 1, elem.size, elem.align)) + zeroNewElements(s.len, s.p, 1, elem.size, elem.align) inc s.len else: var y = cast[ptr PGenSeq](x.value)[] diff --git a/lib/js/asyncjs.nim b/lib/js/asyncjs.nim index b7ebc905f..9b043f3e5 100644 --- a/lib/js/asyncjs.nim +++ b/lib/js/asyncjs.nim @@ -243,7 +243,7 @@ since (1, 5, 1): else: type A = impl(onSuccess(default(T))) var ret: A - {.emit: "`ret` = `future`.then(`onSuccess`, `onReject`)".} + {.emit: "`ret` = `future`.then(`onSuccess`, `onReject`);".} return ret proc catch*[T](future: Future[T], onReject: OnReject): Future[void] = @@ -266,4 +266,4 @@ since (1, 5, 1): discard main() - {.emit: "`result` = `future`.catch(`onReject`)".} + {.emit: "`result` = `future`.catch(`onReject`);".} diff --git a/lib/nimbase.h b/lib/nimbase.h index 2204987db..cf0c8002b 100644 --- a/lib/nimbase.h +++ b/lib/nimbase.h @@ -14,6 +14,7 @@ __GNUC__ __TINYC__ __clang__ __AVR__ +__arm__ __EMSCRIPTEN__ */ @@ -272,11 +273,15 @@ __EMSCRIPTEN__ #elif defined(__cplusplus) #define NIM_STATIC_ASSERT(x, msg) static_assert((x), msg) #else -#define NIM_STATIC_ASSERT(x, msg) typedef int NIM_STATIC_ASSERT_AUX[(x) ? 1 : -1]; +#define _NIM_STATIC_ASSERT_FINAL(x, append_name) typedef int NIM_STATIC_ASSERT_AUX ## append_name[(x) ? 1 : -1]; +#define _NIM_STATIC_ASSERT_STAGE_3(x, line) _NIM_STATIC_ASSERT_FINAL(x, _AT_LINE_##line) +#define _NIM_STATIC_ASSERT_STAGE_2(x, line) _NIM_STATIC_ASSERT_STAGE_3(x, line) +#define NIM_STATIC_ASSERT(x, msg) _NIM_STATIC_ASSERT_STAGE_2(x,__LINE__) // On failure, your C compiler will say something like: -// "error: 'NIM_STATIC_ASSERT_AUX' declared as an array with a negative size" -// we could use a better fallback to also show line number, using: -// http://www.pixelbeat.org/programming/gcc/static_assert.html +// "error: 'NIM_STATIC_ASSERT_AUX_AT_LINE_XXX' declared as an array with a negative size" +// Adding the line number helps to avoid redefinitions which are not allowed in +// old GCC versions, however the order of evaluation for __LINE__ is a little tricky, +// hence all the helper macros. See https://stackoverflow.com/a/3385694 for more info. #endif /* C99 compiler? */ @@ -473,7 +478,7 @@ typedef char* NCSTRING; /* declared size of a sequence/variable length array: */ #if defined(__cplusplus) && defined(__clang__) # define SEQ_DECL_SIZE 1 -#elif defined(__GNUC__) || defined(__clang__) || defined(_MSC_VER) +#elif defined(__GNUC__) || defined(_MSC_VER) # define SEQ_DECL_SIZE /* empty is correct! */ #else # define SEQ_DECL_SIZE 1000000 @@ -580,9 +585,16 @@ NIM_STATIC_ASSERT(sizeof(NI) == sizeof(void*) && NIM_INTBITS == sizeof(NI)*8, "P #define nimMulInt64(a, b, res) __builtin_smulll_overflow(a, b, (long long int*)res) #if NIM_INTBITS == 32 - #define nimAddInt(a, b, res) __builtin_sadd_overflow(a, b, res) - #define nimSubInt(a, b, res) __builtin_ssub_overflow(a, b, res) - #define nimMulInt(a, b, res) __builtin_smul_overflow(a, b, res) + #if defined(__arm__) && defined(__GNUC__) + /* arm-none-eabi-gcc targets defines int32_t as long int */ + #define nimAddInt(a, b, res) __builtin_saddl_overflow(a, b, res) + #define nimSubInt(a, b, res) __builtin_ssubl_overflow(a, b, res) + #define nimMulInt(a, b, res) __builtin_smull_overflow(a, b, res) + #else + #define nimAddInt(a, b, res) __builtin_sadd_overflow(a, b, res) + #define nimSubInt(a, b, res) __builtin_ssub_overflow(a, b, res) + #define nimMulInt(a, b, res) __builtin_smul_overflow(a, b, res) + #endif #else /* map it to the 'long long' variant */ #define nimAddInt(a, b, res) __builtin_saddll_overflow(a, b, (long long int*)res) diff --git a/lib/packages/docutils/rst.nim b/lib/packages/docutils/rst.nim index 9af163e15..706c50689 100644 --- a/lib/packages/docutils/rst.nim +++ b/lib/packages/docutils/rst.nim @@ -1526,7 +1526,7 @@ proc parseMarkdownCodeblockFields(p: var RstParser): PRstNode = result = nil else: result = newRstNode(rnFieldList) - while currentTok(p).kind != tkIndent: + while currentTok(p).kind notin {tkIndent, tkEof}: if currentTok(p).kind == tkWhite: inc p.idx else: @@ -1603,6 +1603,7 @@ proc parseMarkdownCodeblock(p: var RstParser): PRstNode = else: args = nil var n = newLeaf("") + var isFirstLine = true while true: if currentTok(p).kind == tkEof: rstMessage(p, meMissingClosing, @@ -1614,7 +1615,8 @@ proc parseMarkdownCodeblock(p: var RstParser): PRstNode = inc p.idx, 2 break elif currentTok(p).kind == tkIndent: - n.text.add "\n" + if not isFirstLine: + n.text.add "\n" if currentTok(p).ival > baseCol: n.text.add " ".repeat(currentTok(p).ival - baseCol) elif currentTok(p).ival < baseCol: @@ -1624,6 +1626,7 @@ proc parseMarkdownCodeblock(p: var RstParser): PRstNode = else: n.text.add(currentTok(p).symbol) inc p.idx + isFirstLine = false result.sons[0] = args if result.sons[2] == nil: var lb = newRstNode(rnLiteralBlock) diff --git a/lib/posix/inotify.nim b/lib/posix/inotify.nim index 7bc1504e5..575accc18 100644 --- a/lib/posix/inotify.nim +++ b/lib/posix/inotify.nim @@ -20,7 +20,7 @@ type mask* {.importc: "mask".}: uint32 ## Watch mask. cookie* {.importc: "cookie".}: uint32 ## Cookie to synchronize two events. len* {.importc: "len".}: uint32 ## Length (including NULs) of name. - name* {.importc: "name".}: char ## Name. + name* {.importc: "name".}: UncheckedArray[char] ## Name. # Supported events suitable for MASK parameter of INOTIFY_ADD_WATCH. const @@ -67,7 +67,8 @@ proc inotify_init*(): FileHandle {.cdecl, importc: "inotify_init", proc inotify_init1*(flags: cint): FileHandle {.cdecl, importc: "inotify_init1", header: "<sys/inotify.h>".} - ## Create and initialize inotify instance. + ## Like `inotify_init<#inotify_init>`_ , + ## but has a flags argument that provides access to some extra functionality. proc inotify_add_watch*(fd: cint; name: cstring; mask: uint32): cint {.cdecl, importc: "inotify_add_watch", header: "<sys/inotify.h>".} @@ -79,11 +80,18 @@ proc inotify_rm_watch*(fd: cint; wd: cint): cint {.cdecl, iterator inotify_events*(evs: pointer, n: int): ptr InotifyEvent = ## Abstract the packed buffer interface to yield event object pointers. - ## ```Nim - ## var evs = newSeq[byte](8192) # Already did inotify_init+add_watch - ## while (let n = read(fd, evs[0].addr, 8192); n) > 0: # read forever - ## for e in inotify_events(evs[0].addr, n): echo e[].len # echo name lens - ## ``` + runnableExamples("-r:off"): + when defined(linux): + import std/posix # needed for FileHandle read procedure + const MaxWatches = 8192 + + let inotifyFd = inotify_init() # create new inotify instance and get it's FileHandle + let wd = inotifyFd.inotify_add_watch("/tmp", IN_CREATE or IN_DELETE) # Add new watch + + var events: array[MaxWatches, byte] # event buffer + while (let n = read(inotifyFd, addr events, MaxWatches); n) > 0: # blocks until any events have been read + for e in inotify_events(addr events, n): + echo (e[].wd, e[].mask, cast[cstring](addr e[].name)) # echo watch id, mask, and name value of each event var ev: ptr InotifyEvent = cast[ptr InotifyEvent](evs) var n = n while n > 0: @@ -94,8 +102,10 @@ iterator inotify_events*(evs: pointer, n: int): ptr InotifyEvent = runnableExamples: when defined(linux): - let inoty: FileHandle = inotify_init() ## Create 1 Inotify. - doAssert inoty >= 0 ## Check for errors (FileHandle is alias to cint). - let watchdoge: cint = inotify_add_watch(inoty, ".", IN_ALL_EVENTS) ## Add directory to watchdog. - doAssert watchdoge >= 0 ## Check for errors. - doAssert inotify_rm_watch(inoty, watchdoge) >= 0 ## Remove directory from the watchdog + let inotifyFd = inotify_init() # create and get new inotify FileHandle + doAssert inotifyFd >= 0 # check for errors + + let wd = inotifyFd.inotify_add_watch("/tmp", IN_CREATE or IN_DELETE) # Add new watch + doAssert wd >= 0 # check for errors + + discard inotifyFd.inotify_rm_watch(wd) # remove watch diff --git a/lib/posix/posix_macos_amd64.nim b/lib/posix/posix_macos_amd64.nim index d6b5834cb..a4b64ed62 100644 --- a/lib/posix/posix_macos_amd64.nim +++ b/lib/posix/posix_macos_amd64.nim @@ -122,10 +122,14 @@ type ## used for block sizes Clock* {.importc: "clock_t", header: "<sys/types.h>".} = int ClockId* {.importc: "clockid_t", header: "<sys/types.h>".} = int - Dev* {.importc: "dev_t", header: "<sys/types.h>".} = int32 + Dev* {.importc: "dev_t", header: "<sys/types.h>".} = ( + when defined(freebsd): + uint32 + else: + int32) Fsblkcnt* {.importc: "fsblkcnt_t", header: "<sys/types.h>".} = int Fsfilcnt* {.importc: "fsfilcnt_t", header: "<sys/types.h>".} = int - Gid* {.importc: "gid_t", header: "<sys/types.h>".} = int32 + Gid* {.importc: "gid_t", header: "<sys/types.h>".} = uint32 Id* {.importc: "id_t", header: "<sys/types.h>".} = int Ino* {.importc: "ino_t", header: "<sys/types.h>".} = int Key* {.importc: "key_t", header: "<sys/types.h>".} = int @@ -135,7 +139,7 @@ type else: uint16 ) - Nlink* {.importc: "nlink_t", header: "<sys/types.h>".} = int16 + Nlink* {.importc: "nlink_t", header: "<sys/types.h>".} = uint16 Off* {.importc: "off_t", header: "<sys/types.h>".} = int64 Pid* {.importc: "pid_t", header: "<sys/types.h>".} = int32 Pthread_attr* {.importc: "pthread_attr_t", header: "<sys/types.h>".} = int @@ -167,7 +171,7 @@ type Trace_event_set* {.importc: "trace_event_set_t", header: "<sys/types.h>".} = int Trace_id* {.importc: "trace_id_t", header: "<sys/types.h>".} = int - Uid* {.importc: "uid_t", header: "<sys/types.h>".} = int32 + Uid* {.importc: "uid_t", header: "<sys/types.h>".} = uint32 Useconds* {.importc: "useconds_t", header: "<sys/types.h>".} = int Utsname* {.importc: "struct utsname", @@ -462,9 +466,9 @@ type header: "<netinet/in.h>".} = object ## struct sockaddr_in6 sin6_family*: TSa_Family ## AF_INET6. sin6_port*: InPort ## Port number. - sin6_flowinfo*: int32 ## IPv6 traffic class and flow information. + sin6_flowinfo*: uint32 ## IPv6 traffic class and flow information. sin6_addr*: In6Addr ## IPv6 address. - sin6_scope_id*: int32 ## Set of interfaces for a scope. + sin6_scope_id*: uint32 ## Set of interfaces for a scope. Tipv6_mreq* {.importc: "struct ipv6_mreq", pure, final, header: "<netinet/in.h>".} = object ## struct ipv6_mreq @@ -491,7 +495,7 @@ type ## alternative network names, terminated by a ## null pointer. n_addrtype*: cint ## The address type of the network. - n_net*: int32 ## The network number, in host byte order. + n_net*: uint32 ## The network number, in host byte order. Protoent* {.importc: "struct protoent", pure, final, header: "<netdb.h>".} = object ## struct protoent diff --git a/lib/posix/posix_openbsd_amd64.nim b/lib/posix/posix_openbsd_amd64.nim index 1ef4a4182..184cd89c0 100644 --- a/lib/posix/posix_openbsd_amd64.nim +++ b/lib/posix/posix_openbsd_amd64.nim @@ -131,15 +131,19 @@ type ## used for block sizes Clock* {.importc: "clock_t", header: "<sys/types.h>".} = int ClockId* {.importc: "clockid_t", header: "<sys/types.h>".} = int - Dev* {.importc: "dev_t", header: "<sys/types.h>".} = int32 + Dev* {.importc: "dev_t", header: "<sys/types.h>".} = ( + when defined(freebsd): + uint32 + else: + int32) Fsblkcnt* {.importc: "fsblkcnt_t", header: "<sys/types.h>".} = int Fsfilcnt* {.importc: "fsfilcnt_t", header: "<sys/types.h>".} = int - Gid* {.importc: "gid_t", header: "<sys/types.h>".} = int32 + Gid* {.importc: "gid_t", header: "<sys/types.h>".} = uint32 Id* {.importc: "id_t", header: "<sys/types.h>".} = int Ino* {.importc: "ino_t", header: "<sys/types.h>".} = int Key* {.importc: "key_t", header: "<sys/types.h>".} = int Mode* {.importc: "mode_t", header: "<sys/types.h>".} = uint32 - Nlink* {.importc: "nlink_t", header: "<sys/types.h>".} = int16 + Nlink* {.importc: "nlink_t", header: "<sys/types.h>".} = uint32 Off* {.importc: "off_t", header: "<sys/types.h>".} = int64 Pid* {.importc: "pid_t", header: "<sys/types.h>".} = int32 Pthread_attr* {.importc: "pthread_attr_t", header: "<pthread.h>".} = int @@ -171,7 +175,7 @@ type Trace_event_set* {.importc: "trace_event_set_t", header: "<sys/types.h>".} = int Trace_id* {.importc: "trace_id_t", header: "<sys/types.h>".} = int - Uid* {.importc: "uid_t", header: "<sys/types.h>".} = int32 + Uid* {.importc: "uid_t", header: "<sys/types.h>".} = uint32 Useconds* {.importc: "useconds_t", header: "<sys/types.h>".} = int Utsname* {.importc: "struct utsname", @@ -446,9 +450,9 @@ type header: "<netinet/in.h>".} = object ## struct sockaddr_in6 sin6_family*: TSa_Family ## AF_INET6. sin6_port*: InPort ## Port number. - sin6_flowinfo*: int32 ## IPv6 traffic class and flow information. + sin6_flowinfo*: uint32 ## IPv6 traffic class and flow information. sin6_addr*: In6Addr ## IPv6 address. - sin6_scope_id*: int32 ## Set of interfaces for a scope. + sin6_scope_id*: uint32 ## Set of interfaces for a scope. Tipv6_mreq* {.importc: "struct ipv6_mreq", pure, final, header: "<netinet/in.h>".} = object ## struct ipv6_mreq @@ -475,7 +479,7 @@ type ## alternative network names, terminated by a ## null pointer. n_addrtype*: cint ## The address type of the network. - n_net*: int32 ## The network number, in host byte order. + n_net*: uint32 ## The network number, in host byte order. Protoent* {.importc: "struct protoent", pure, final, header: "<netdb.h>".} = object ## struct protoent diff --git a/lib/pure/asyncnet.nim b/lib/pure/asyncnet.nim index d8dc7a798..ee07e599e 100644 --- a/lib/pure/asyncnet.nim +++ b/lib/pure/asyncnet.nim @@ -687,7 +687,7 @@ when defined(posix) and not useNimNetLite: var socketAddr = makeUnixAddr(path) let ret = socket.fd.connect(cast[ptr SockAddr](addr socketAddr), - (sizeof(socketAddr.sun_family) + path.len).SockLen) + (offsetOf(socketAddr, sun_path) + path.len + 1).SockLen) if ret == 0: # Request to connect completed immediately. retFuture.complete() @@ -705,7 +705,7 @@ when defined(posix) and not useNimNetLite: when not defined(nimdoc): var socketAddr = makeUnixAddr(path) if socket.fd.bindAddr(cast[ptr SockAddr](addr socketAddr), - (sizeof(socketAddr.sun_family) + path.len).SockLen) != 0'i32: + (offsetOf(socketAddr, sun_path) + path.len + 1).SockLen) != 0'i32: raiseOSError(osLastError()) elif defined(nimdoc): diff --git a/lib/pure/complex.nim b/lib/pure/complex.nim index 8234db410..b48811eae 100644 --- a/lib/pure/complex.nim +++ b/lib/pure/complex.nim @@ -15,9 +15,6 @@ runnableExamples: from std/math import almostEqual, sqrt - func almostEqual(a, b: Complex): bool = - almostEqual(a.re, b.re) and almostEqual(a.im, b.im) - let z1 = complex(1.0, 2.0) z2 = complex(3.0, -4.0) @@ -412,6 +409,24 @@ func rect*[T](r, phi: T): Complex[T] = ## * `polar func<#polar,Complex[T]>`_ for the inverse operation complex(r * cos(phi), r * sin(phi)) +func almostEqual*[T: SomeFloat](x, y: Complex[T]; unitsInLastPlace: Natural = 4): bool = + ## Checks if two complex values are almost equal, using the + ## [machine epsilon](https://en.wikipedia.org/wiki/Machine_epsilon). + ## + ## Two complex values are considered almost equal if their real and imaginary + ## components are almost equal. + ## + ## `unitsInLastPlace` is the max number of + ## [units in the last place](https://en.wikipedia.org/wiki/Unit_in_the_last_place) + ## difference tolerated when comparing two numbers. The larger the value, the + ## more error is allowed. A `0` value means that two numbers must be exactly the + ## same to be considered equal. + ## + ## The machine epsilon has to be scaled to the magnitude of the values used + ## and multiplied by the desired precision in ULPs unless the difference is + ## subnormal. + almostEqual(x.re, y.re, unitsInLastPlace = unitsInLastPlace) and + almostEqual(x.im, y.im, unitsInLastPlace = unitsInLastPlace) func `$`*(z: Complex): string = ## Returns `z`'s string representation as `"(re, im)"`. diff --git a/lib/pure/concurrency/atomics.nim b/lib/pure/concurrency/atomics.nim index c7b881bc5..818f1b37a 100644 --- a/lib/pure/concurrency/atomics.nim +++ b/lib/pure/concurrency/atomics.nim @@ -10,6 +10,9 @@ ## Types and operations for atomic operations and lockless algorithms. ## ## Unstable API. +## +## By default, C++ uses C11 atomic primitives. To use C++ `std::atomic`, +## `-d:nimUseCppAtomics` can be defined. runnableExamples: # Atomic @@ -50,8 +53,7 @@ runnableExamples: flag.clear(moRelaxed) assert not flag.testAndSet - -when defined(cpp) or defined(nimdoc): +when (defined(cpp) and defined(nimUseCppAtomics)) or defined(nimdoc): # For the C++ backend, types and operations map directly to C++11 atomics. {.push, header: "<atomic>".} @@ -274,10 +276,17 @@ else: cast[T](interlockedXor(addr(location.value), cast[nonAtomicType(T)](value))) else: - {.push, header: "<stdatomic.h>".} + when defined(cpp): + {.push, header: "<atomic>".} + template maybeWrapStd(x: string): string = + "std::" & x + else: + {.push, header: "<stdatomic.h>".} + template maybeWrapStd(x: string): string = + x type - MemoryOrder* {.importc: "memory_order".} = enum + MemoryOrder* {.importc: "memory_order".maybeWrapStd.} = enum moRelaxed moConsume moAcquire @@ -285,16 +294,25 @@ else: moAcquireRelease moSequentiallyConsistent - type - # Atomic*[T] {.importcpp: "_Atomic('0)".} = object + when defined(cpp): + type + # Atomic*[T] {.importcpp: "_Atomic('0)".} = object + + AtomicInt8 {.importc: "std::atomic<NI8>".} = int8 + AtomicInt16 {.importc: "std::atomic<NI16>".} = int16 + AtomicInt32 {.importc: "std::atomic<NI32>".} = int32 + AtomicInt64 {.importc: "std::atomic<NI64>".} = int64 + else: + type + # Atomic*[T] {.importcpp: "_Atomic('0)".} = object - AtomicInt8 {.importc: "_Atomic NI8".} = int8 - AtomicInt16 {.importc: "_Atomic NI16".} = int16 - AtomicInt32 {.importc: "_Atomic NI32".} = int32 - AtomicInt64 {.importc: "_Atomic NI64".} = int64 + AtomicInt8 {.importc: "_Atomic NI8".} = int8 + AtomicInt16 {.importc: "_Atomic NI16".} = int16 + AtomicInt32 {.importc: "_Atomic NI32".} = int32 + AtomicInt64 {.importc: "_Atomic NI64".} = int64 type - AtomicFlag* {.importc: "atomic_flag", size: 1.} = object + AtomicFlag* {.importc: "atomic_flag".maybeWrapStd, size: 1.} = object Atomic*[T] = object when T is Trivial: @@ -308,27 +326,27 @@ else: guard: AtomicFlag #proc init*[T](location: var Atomic[T]; value: T): T {.importcpp: "atomic_init(@)".} - proc atomic_load_explicit[T, A](location: ptr A; order: MemoryOrder): T {.importc.} - proc atomic_store_explicit[T, A](location: ptr A; desired: T; order: MemoryOrder = moSequentiallyConsistent) {.importc.} - proc atomic_exchange_explicit[T, A](location: ptr A; desired: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc.} - proc atomic_compare_exchange_strong_explicit[T, A](location: ptr A; expected: ptr T; desired: T; success, failure: MemoryOrder): bool {.importc.} - proc atomic_compare_exchange_weak_explicit[T, A](location: ptr A; expected: ptr T; desired: T; success, failure: MemoryOrder): bool {.importc.} + proc atomic_load_explicit[T, A](location: ptr A; order: MemoryOrder): T {.importc: "atomic_load_explicit".maybeWrapStd.} + proc atomic_store_explicit[T, A](location: ptr A; desired: T; order: MemoryOrder = moSequentiallyConsistent) {.importc: "atomic_store_explicit".maybeWrapStd.} + proc atomic_exchange_explicit[T, A](location: ptr A; desired: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc: "atomic_exchange_explicit".maybeWrapStd.} + proc atomic_compare_exchange_strong_explicit[T, A](location: ptr A; expected: ptr T; desired: T; success, failure: MemoryOrder): bool {.importc: "atomic_compare_exchange_strong_explicit".maybeWrapStd.} + proc atomic_compare_exchange_weak_explicit[T, A](location: ptr A; expected: ptr T; desired: T; success, failure: MemoryOrder): bool {.importc: "atomic_compare_exchange_weak_explicit".maybeWrapStd.} # Numerical operations - proc atomic_fetch_add_explicit[T, A](location: ptr A; value: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc.} - proc atomic_fetch_sub_explicit[T, A](location: ptr A; value: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc.} - proc atomic_fetch_and_explicit[T, A](location: ptr A; value: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc.} - proc atomic_fetch_or_explicit[T, A](location: ptr A; value: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc.} - proc atomic_fetch_xor_explicit[T, A](location: ptr A; value: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc.} + proc atomic_fetch_add_explicit[T, A](location: ptr A; value: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc: "atomic_fetch_add_explicit".maybeWrapStd.} + proc atomic_fetch_sub_explicit[T, A](location: ptr A; value: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc: "atomic_fetch_sub_explicit".maybeWrapStd.} + proc atomic_fetch_and_explicit[T, A](location: ptr A; value: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc: "atomic_fetch_and_explicit".maybeWrapStd.} + proc atomic_fetch_or_explicit[T, A](location: ptr A; value: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc: "atomic_fetch_or_explicit".maybeWrapStd.} + proc atomic_fetch_xor_explicit[T, A](location: ptr A; value: T; order: MemoryOrder = moSequentiallyConsistent): T {.importc: "atomic_fetch_xor_explicit".maybeWrapStd.} # Flag operations # var ATOMIC_FLAG_INIT {.importc, nodecl.}: AtomicFlag # proc init*(location: var AtomicFlag) {.inline.} = location = ATOMIC_FLAG_INIT - proc testAndSet*(location: var AtomicFlag; order: MemoryOrder = moSequentiallyConsistent): bool {.importc: "atomic_flag_test_and_set_explicit".} - proc clear*(location: var AtomicFlag; order: MemoryOrder = moSequentiallyConsistent) {.importc: "atomic_flag_clear_explicit".} + proc testAndSet*(location: var AtomicFlag; order: MemoryOrder = moSequentiallyConsistent): bool {.importc: "atomic_flag_test_and_set_explicit".maybeWrapStd.} + proc clear*(location: var AtomicFlag; order: MemoryOrder = moSequentiallyConsistent) {.importc: "atomic_flag_clear_explicit".maybeWrapStd.} - proc fence*(order: MemoryOrder) {.importc: "atomic_thread_fence".} - proc signalFence*(order: MemoryOrder) {.importc: "atomic_signal_fence".} + proc fence*(order: MemoryOrder) {.importc: "atomic_thread_fence".maybeWrapStd.} + proc signalFence*(order: MemoryOrder) {.importc: "atomic_signal_fence".maybeWrapStd.} {.pop.} diff --git a/lib/pure/concurrency/cpuinfo.nim b/lib/pure/concurrency/cpuinfo.nim index 0b2c915b2..9bc3fd579 100644 --- a/lib/pure/concurrency/cpuinfo.nim +++ b/lib/pure/concurrency/cpuinfo.nim @@ -15,75 +15,96 @@ runnableExamples: include "system/inclrtl" -when defined(posix) and not (defined(macosx) or defined(bsd)): - import std/posix +when defined(js): + import std/jsffi + proc countProcessorsImpl(): int = + when defined(nodejs): + let jsOs = require("os") + let jsObj = jsOs.cpus().length + else: + # `navigator.hardwareConcurrency` + # works on browser as well as deno. + let navigator{.importcpp.}: JsObject + let jsObj = navigator.hardwareConcurrency + result = jsObj.to int +else: + when defined(posix) and not (defined(macosx) or defined(bsd)): + import std/posix -when defined(windows): - import std/private/win_getsysteminfo + when defined(windows): + import std/private/win_getsysteminfo + + when defined(freebsd) or defined(macosx): + {.emit: "#include <sys/types.h>".} + + when defined(openbsd) or defined(netbsd): + {.emit: "#include <sys/param.h>".} -when defined(freebsd) or defined(macosx): - {.emit: "#include <sys/types.h>".} + when defined(macosx) or defined(bsd): + # we HAVE to emit param.h before sysctl.h so we cannot use .header here + # either. The amount of archaic bullshit in Poonix based OSes is just insane. + {.emit: "#include <sys/sysctl.h>".} + {.push nodecl.} + when defined(macosx): + proc sysctlbyname(name: cstring, + oldp: pointer, oldlenp: var csize_t, + newp: pointer, newlen: csize_t): cint {.importc.} + let + CTL_HW{.importc.}: cint + HW_NCPU{.importc.}: cint + proc sysctl[I: static[int]](name: var array[I, cint], namelen: cuint, + oldp: pointer, oldlenp: var csize_t, + newp: pointer, newlen: csize_t): cint {.importc.} + {.pop.} -when defined(openbsd) or defined(netbsd): - {.emit: "#include <sys/param.h>".} + when defined(genode): + import genode/env -when defined(macosx) or defined(bsd): - # we HAVE to emit param.h before sysctl.h so we cannot use .header here - # either. The amount of archaic bullshit in Poonix based OSes is just insane. - {.emit: "#include <sys/sysctl.h>".} - const - CTL_HW = 6 - HW_AVAILCPU = 25 - HW_NCPU = 3 - proc sysctl(x: ptr array[0..3, cint], y: cint, z: pointer, - a: var csize_t, b: pointer, c: csize_t): cint {. - importc: "sysctl", nodecl.} + proc affinitySpaceTotal(env: GenodeEnvPtr): cuint {. + importcpp: "@->cpu().affinity_space().total()".} -when defined(genode): - import genode/env + when defined(haiku): + type + SystemInfo {.importc: "system_info", header: "<OS.h>".} = object + cpuCount {.importc: "cpu_count".}: uint32 - proc affinitySpaceTotal(env: GenodeEnvPtr): cuint {. - importcpp: "@->cpu().affinity_space().total()".} + proc getSystemInfo(info: ptr SystemInfo): int32 {.importc: "get_system_info", + header: "<OS.h>".} + + proc countProcessorsImpl(): int {.inline.} = + when defined(windows): + var + si: SystemInfo + getSystemInfo(addr si) + result = int(si.dwNumberOfProcessors) + elif defined(macosx) or defined(bsd): + let dest = addr result + var len = sizeof(result).csize_t + when defined(macosx): + # alias of "hw.activecpu" + if sysctlbyname("hw.logicalcpu", dest, len, nil, 0) == 0: + return + var mib = [CTL_HW, HW_NCPU] + if sysctl(mib, 2, dest, len, nil, 0) == 0: + return + elif defined(hpux): + result = mpctl(MPC_GETNUMSPUS, nil, nil) + elif defined(irix): + var SC_NPROC_ONLN {.importc: "_SC_NPROC_ONLN", header: "<unistd.h>".}: cint + result = sysconf(SC_NPROC_ONLN) + elif defined(genode): + result = runtimeEnv.affinitySpaceTotal().int + elif defined(haiku): + var sysinfo: SystemInfo + if getSystemInfo(addr sysinfo) == 0: + result = sysinfo.cpuCount.int + else: + result = sysconf(SC_NPROCESSORS_ONLN) + if result < 0: result = 0 -when defined(haiku): - type - SystemInfo {.importc: "system_info", header: "<OS.h>".} = object - cpuCount {.importc: "cpu_count".}: uint32 - proc getSystemInfo(info: ptr SystemInfo): int32 {.importc: "get_system_info", - header: "<OS.h>".} proc countProcessors*(): int {.rtl, extern: "ncpi$1".} = ## Returns the number of the processors/cores the machine has. ## Returns 0 if it cannot be detected. - when defined(windows): - var - si: SystemInfo - getSystemInfo(addr si) - result = int(si.dwNumberOfProcessors) - elif defined(macosx) or defined(bsd): - var - mib: array[0..3, cint] - numCPU: int - mib[0] = CTL_HW - mib[1] = HW_AVAILCPU - var len = sizeof(numCPU).csize_t - discard sysctl(addr(mib), 2, addr(numCPU), len, nil, 0) - if numCPU < 1: - mib[1] = HW_NCPU - discard sysctl(addr(mib), 2, addr(numCPU), len, nil, 0) - result = numCPU - elif defined(hpux): - result = mpctl(MPC_GETNUMSPUS, nil, nil) - elif defined(irix): - var SC_NPROC_ONLN {.importc: "_SC_NPROC_ONLN", header: "<unistd.h>".}: cint - result = sysconf(SC_NPROC_ONLN) - elif defined(genode): - result = runtimeEnv.affinitySpaceTotal().int - elif defined(haiku): - var sysinfo: SystemInfo - if getSystemInfo(addr sysinfo) == 0: - result = sysinfo.cpuCount.int - else: - result = sysconf(SC_NPROCESSORS_ONLN) - if result <= 0: result = 0 + countProcessorsImpl() diff --git a/lib/pure/distros.nim b/lib/pure/distros.nim index 58eacf633..9e71d4ce0 100644 --- a/lib/pure/distros.nim +++ b/lib/pure/distros.nim @@ -127,6 +127,7 @@ type BSD FreeBSD + NetBSD OpenBSD DragonFlyBSD @@ -168,7 +169,7 @@ proc detectOsImpl(d: Distribution): bool = else: when defined(bsd): case d - of Distribution.FreeBSD, Distribution.OpenBSD: + of Distribution.FreeBSD, Distribution.NetBSD, Distribution.OpenBSD: result = $d in uname() else: result = false @@ -251,7 +252,7 @@ proc foreignDepInstallCmd*(foreignPackageName: string): (string, bool) = result = ("nix-env -i " & p, false) elif detectOs(Solaris) or detectOs(FreeBSD): result = ("pkg install " & p, true) - elif detectOs(OpenBSD): + elif detectOs(NetBSD) or detectOs(OpenBSD): result = ("pkg_add " & p, true) elif detectOs(PCLinuxOS): result = ("rpm -ivh " & p, true) diff --git a/lib/pure/fenv.nim b/lib/pure/fenv.nim index ddb6a1a0c..1d96fd6be 100644 --- a/lib/pure/fenv.nim +++ b/lib/pure/fenv.nim @@ -12,7 +12,7 @@ ## The types, vars and procs are bindings for the C standard library ## [<fenv.h>](https://en.cppreference.com/w/c/numeric/fenv) header. -when defined(posix) and not defined(genode): +when defined(posix) and not defined(genode) and not defined(macosx): {.passl: "-lm".} var diff --git a/lib/pure/hashes.nim b/lib/pure/hashes.nim index 518299511..1038d55a1 100644 --- a/lib/pure/hashes.nim +++ b/lib/pure/hashes.nim @@ -190,7 +190,7 @@ proc hashData*(data: pointer, size: int): Hash = var h: Hash = 0 when defined(js): var p: cstring - {.emit: """`p` = `Data`""".} + {.emit: """`p` = `Data`;""".} else: var p = cast[cstring](data) var i = 0 @@ -379,6 +379,158 @@ proc hashVmImplChar(x: openArray[char], sPos, ePos: int): Hash = proc hashVmImplByte(x: openArray[byte], sPos, ePos: int): Hash = raiseAssert "implementation override in compiler/vmops.nim" +const k0 = 0xc3a5c85c97cb3127u64 # Primes on (2^63, 2^64) for various uses +const k1 = 0xb492b66fbe98f273u64 +const k2 = 0x9ae16a3b2f90404fu64 + +proc load4e(s: openArray[byte], o=0): uint32 {.inline.} = + uint32(s[o + 3]) shl 24 or uint32(s[o + 2]) shl 16 or + uint32(s[o + 1]) shl 8 or uint32(s[o + 0]) + +proc load8e(s: openArray[byte], o=0): uint64 {.inline.} = + uint64(s[o + 7]) shl 56 or uint64(s[o + 6]) shl 48 or + uint64(s[o + 5]) shl 40 or uint64(s[o + 4]) shl 32 or + uint64(s[o + 3]) shl 24 or uint64(s[o + 2]) shl 16 or + uint64(s[o + 1]) shl 8 or uint64(s[o + 0]) + +proc load4(s: openArray[byte], o=0): uint32 {.inline.} = + when nimvm: result = load4e(s, o) + else: + when declared copyMem: copyMem result.addr, s[o].addr, result.sizeof + else: result = load4e(s, o) + +proc load8(s: openArray[byte], o=0): uint64 {.inline.} = + when nimvm: result = load8e(s, o) + else: + when declared copyMem: copyMem result.addr, s[o].addr, result.sizeof + else: result = load8e(s, o) + +proc lenU(s: openArray[byte]): uint64 {.inline.} = s.len.uint64 + +proc shiftMix(v: uint64): uint64 {.inline.} = v xor (v shr 47) + +proc rotR(v: uint64; bits: cint): uint64 {.inline.} = + (v shr bits) or (v shl (64 - bits)) + +proc len16(u: uint64; v: uint64; mul: uint64): uint64 {.inline.} = + var a = (u xor v)*mul + a = a xor (a shr 47) + var b = (v xor a)*mul + b = b xor (b shr 47) + b*mul + +proc len0_16(s: openArray[byte]): uint64 {.inline.} = + if s.len >= 8: + let mul = k2 + 2*s.lenU + let a = load8(s) + k2 + let b = load8(s, s.len - 8) + let c = rotR(b, 37)*mul + a + let d = (rotR(a, 25) + b)*mul + len16 c, d, mul + elif s.len >= 4: + let mul = k2 + 2*s.lenU + let a = load4(s).uint64 + len16 s.lenU + (a shl 3), load4(s, s.len - 4), mul + elif s.len > 0: + let a = uint32(s[0]) + let b = uint32(s[s.len shr 1]) + let c = uint32(s[s.len - 1]) + let y = a + (b shl 8) + let z = s.lenU + (c shl 2) + shiftMix(y*k2 xor z*k0)*k2 + else: k2 # s.len == 0 + +proc len17_32(s: openArray[byte]): uint64 {.inline.} = + let mul = k2 + 2*s.lenU + let a = load8(s)*k1 + let b = load8(s, 8) + let c = load8(s, s.len - 8)*mul + let d = load8(s, s.len - 16)*k2 + len16 rotR(a + b, 43) + rotR(c, 30) + d, a + rotR(b + k2, 18) + c, mul + +proc len33_64(s: openArray[byte]): uint64 {.inline.} = + let mul = k2 + 2*s.lenU + let a = load8(s)*k2 + let b = load8(s, 8) + let c = load8(s, s.len - 8)*mul + let d = load8(s, s.len - 16)*k2 + let y = rotR(a + b, 43) + rotR(c, 30) + d + let z = len16(y, a + rotR(b + k2, 18) + c, mul) + let e = load8(s, 16)*mul + let f = load8(s, 24) + let g = (y + load8(s, s.len - 32))*mul + let h = (z + load8(s, s.len - 24))*mul + len16 rotR(e + f, 43) + rotR(g, 30) + h, e + rotR(f + a, 18) + g, mul + +type Pair = tuple[first, second: uint64] + +proc weakLen32withSeeds2(w, x, y, z, a, b: uint64): Pair {.inline.} = + var a = a + w + var b = rotR(b + a + z, 21) + let c = a + a += x + a += y + b += rotR(a, 44) + result[0] = a + z + result[1] = b + c + +proc weakLen32withSeeds(s: openArray[byte]; o: int; a,b: uint64): Pair {.inline.} = + weakLen32withSeeds2 load8(s, o ), load8(s, o + 8), + load8(s, o + 16), load8(s, o + 24), a, b + +proc hashFarm(s: openArray[byte]): uint64 {.inline.} = + if s.len <= 16: return len0_16(s) + if s.len <= 32: return len17_32(s) + if s.len <= 64: return len33_64(s) + const seed = 81u64 # not const to use input `h` + var + o = 0 # s[] ptr arith -> variable origin variable `o` + x = seed + y = seed*k1 + 113 + z = shiftMix(y*k2 + 113)*k2 + v, w: Pair + x = x*k2 + load8(s) + let eos = ((s.len - 1) div 64)*64 + let last64 = eos + ((s.len - 1) and 63) - 63 + while true: + x = rotR(x + y + v[0] + load8(s, o+8), 37)*k1 + y = rotR(y + v[1] + load8(s, o+48), 42)*k1 + x = x xor w[1] + y += v[0] + load8(s, o+40) + z = rotR(z + w[0], 33)*k1 + v = weakLen32withSeeds(s, o+0 , v[1]*k1, x + w[0]) + w = weakLen32withSeeds(s, o+32, z + w[1], y + load8(s, o+16)) + swap z, x + inc o, 64 + if o == eos: break + let mul = k1 + ((z and 0xff) shl 1) + o = last64 + w[0] += (s.lenU - 1) and 63 + v[0] += w[0] + w[0] += v[0] + x = rotR(x + y + v[0] + load8(s, o+8), 37)*mul + y = rotR(y + v[1] + load8(s, o+48), 42)*mul + x = x xor w[1]*9 + y += v[0]*9 + load8(s, o+40) + z = rotR(z + w[0], 33)*mul + v = weakLen32withSeeds(s, o+0 , v[1]*mul, x + w[0]) + w = weakLen32withSeeds(s, o+32, z + w[1], y + load8(s, o+16)) + swap z, x + len16 len16(v[0],w[0],mul) + shiftMix(y)*k0 + z, len16(v[1],w[1],mul) + x, mul + +template jsNoInt64: untyped = + when defined js: + when compiles(compileOption("jsbigint64")): + when not compileOption("jsbigint64"): true + else: false + else: false + else: false +const sHash2 = (when defined(nimStringHash2) or jsNoInt64(): true else: false) + +template maybeFailJS_Number = + when jsNoInt64() and not defined(nimStringHash2): + {.error: "Must use `-d:nimStringHash2` when using `--jsbigint64:off`".} + proc hash*(x: string): Hash = ## Efficient hashing of strings. ## @@ -387,11 +539,14 @@ proc hash*(x: string): Hash = ## * `hashIgnoreCase <#hashIgnoreCase,string>`_ runnableExamples: doAssert hash("abracadabra") != hash("AbracadabrA") - - when nimvm: - result = hashVmImpl(x, 0, high(x)) + maybeFailJS_Number() + when not sHash2: + result = cast[Hash](hashFarm(toOpenArrayByte(x, 0, x.high))) else: - result = murmurHash(toOpenArrayByte(x, 0, high(x))) + #when nimvm: + # result = hashVmImpl(x, 0, high(x)) + when true: + result = murmurHash(toOpenArrayByte(x, 0, high(x))) proc hash*(x: cstring): Hash = ## Efficient hashing of null-terminated strings. @@ -400,14 +555,22 @@ proc hash*(x: cstring): Hash = doAssert hash(cstring"AbracadabrA") == hash("AbracadabrA") doAssert hash(cstring"abracadabra") != hash(cstring"AbracadabrA") - when nimvm: - hashVmImpl(x, 0, high(x)) - else: - when not defined(js): - murmurHash(toOpenArrayByte(x, 0, x.high)) - else: + maybeFailJS_Number() + when not sHash2: + when defined js: let xx = $x - murmurHash(toOpenArrayByte(xx, 0, high(xx))) + result = cast[Hash](hashFarm(toOpenArrayByte(xx, 0, xx.high))) + else: + result = cast[Hash](hashFarm(toOpenArrayByte(x, 0, x.high))) + else: + #when nimvm: + # result = hashVmImpl(x, 0, high(x)) + when true: + when not defined(js): + result = murmurHash(toOpenArrayByte(x, 0, x.high)) + else: + let xx = $x + result = murmurHash(toOpenArrayByte(xx, 0, high(xx))) proc hash*(sBuf: string, sPos, ePos: int): Hash = ## Efficient hashing of a string buffer, from starting @@ -418,7 +581,11 @@ proc hash*(sBuf: string, sPos, ePos: int): Hash = var a = "abracadabra" doAssert hash(a, 0, 3) == hash(a, 7, 10) - murmurHash(toOpenArrayByte(sBuf, sPos, ePos)) + maybeFailJS_Number() + when not sHash2: + result = cast[Hash](hashFarm(toOpenArrayByte(sBuf, sPos, ePos))) + else: + murmurHash(toOpenArrayByte(sBuf, sPos, ePos)) proc hashIgnoreStyle*(x: string): Hash = ## Efficient hashing of strings; style is ignored. @@ -553,12 +720,18 @@ proc hash*[A](x: openArray[A]): Hash = ## Efficient hashing of arrays and sequences. ## There must be a `hash` proc defined for the element type `A`. when A is byte: - result = murmurHash(x) + when not sHash2: + result = cast[Hash](hashFarm(x)) + else: + result = murmurHash(x) elif A is char: - when nimvm: - result = hashVmImplChar(x, 0, x.high) + when not sHash2: + result = cast[Hash](hashFarm(toOpenArrayByte(x, 0, x.high))) else: - result = murmurHash(toOpenArrayByte(x, 0, x.high)) + #when nimvm: + # result = hashVmImplChar(x, 0, x.high) + when true: + result = murmurHash(toOpenArrayByte(x, 0, x.high)) else: result = 0 for a in x: @@ -574,17 +747,24 @@ proc hash*[A](aBuf: openArray[A], sPos, ePos: int): Hash = runnableExamples: let a = [1, 2, 5, 1, 2, 6] doAssert hash(a, 0, 1) == hash(a, 3, 4) - when A is byte: - when nimvm: - result = hashVmImplByte(aBuf, sPos, ePos) + maybeFailJS_Number() + when not sHash2: + result = cast[Hash](hashFarm(toOpenArray(aBuf, sPos, ePos))) else: - result = murmurHash(toOpenArray(aBuf, sPos, ePos)) + #when nimvm: + # result = hashVmImplByte(aBuf, sPos, ePos) + when true: + result = murmurHash(toOpenArray(aBuf, sPos, ePos)) elif A is char: - when nimvm: - result = hashVmImplChar(aBuf, sPos, ePos) + maybeFailJS_Number() + when not sHash2: + result = cast[Hash](hashFarm(toOpenArrayByte(aBuf, sPos, ePos))) else: - result = murmurHash(toOpenArrayByte(aBuf, sPos, ePos)) + #when nimvm: + # result = hashVmImplChar(aBuf, sPos, ePos) + when true: + result = murmurHash(toOpenArrayByte(aBuf, sPos, ePos)) else: for i in sPos .. ePos: result = result !& hash(aBuf[i]) diff --git a/lib/pure/httpcore.nim b/lib/pure/httpcore.nim index 45365c185..5ccab379c 100644 --- a/lib/pure/httpcore.nim +++ b/lib/pure/httpcore.nim @@ -164,7 +164,8 @@ func `[]`*(headers: HttpHeaders, key: string): HttpHeaderValues = ## To access multiple values of a key, use the overloaded `[]` below or ## to get all of them access the `table` field directly. {.cast(noSideEffect).}: - return headers.table[headers.toCaseInsensitive(key)].HttpHeaderValues + let tmp = headers.table[headers.toCaseInsensitive(key)] + return HttpHeaderValues(tmp) converter toString*(values: HttpHeaderValues): string = return seq[string](values)[0] diff --git a/lib/pure/includes/unicode_ranges.nim b/lib/pure/includes/unicode_ranges.nim index 5bb22bd8b..04ccfb747 100644 --- a/lib/pure/includes/unicode_ranges.nim +++ b/lib/pure/includes/unicode_ranges.nim @@ -2,1988 +2,1979 @@ const toLowerRanges = [ - 0x00041'i32, 0x0005A, 532, - 0x000C0, 0x000D6, 532, - 0x000D8, 0x000DE, 532, - 0x00189, 0x0018A, 705, - 0x001B1, 0x001B2, 717, - 0x00388, 0x0038A, 537, - 0x0038E, 0x0038F, 563, - 0x00391, 0x003A1, 532, - 0x003A3, 0x003AB, 532, - 0x003FD, 0x003FF, 370, - 0x00400, 0x0040F, 580, - 0x00410, 0x0042F, 532, - 0x00531, 0x00556, 548, - 0x010A0, 0x010C5, 7764, - 0x013A0, 0x013EF, 39364, - 0x013F0, 0x013F5, 508, - 0x01C90, 0x01CBA, -2508, - 0x01CBD, 0x01CBF, -2508, - 0x01F08, 0x01F0F, 492, - 0x01F18, 0x01F1D, 492, - 0x01F28, 0x01F2F, 492, - 0x01F38, 0x01F3F, 492, - 0x01F48, 0x01F4D, 492, - 0x01F68, 0x01F6F, 492, - 0x01F88, 0x01F8F, 492, - 0x01F98, 0x01F9F, 492, - 0x01FA8, 0x01FAF, 492, - 0x01FB8, 0x01FB9, 492, - 0x01FBA, 0x01FBB, 426, - 0x01FC8, 0x01FCB, 414, - 0x01FD8, 0x01FD9, 492, - 0x01FDA, 0x01FDB, 400, - 0x01FE8, 0x01FE9, 492, - 0x01FEA, 0x01FEB, 388, - 0x01FF8, 0x01FF9, 372, - 0x01FFA, 0x01FFB, 374, - 0x02C00, 0x02C2E, 548, - 0x02C7E, 0x02C7F, -10315, - 0x0FF21, 0x0FF3A, 532, - 0x10400, 0x10427, 540, - 0x104B0, 0x104D3, 540, - 0x10C80, 0x10CB2, 564, - 0x118A0, 0x118BF, 532, - 0x16E40, 0x16E5F, 532, - 0x1E900, 0x1E921, 534, + 0x00041'i32, 0x0005A'i32, 532, + 0x000C0'i32, 0x000D6'i32, 532, + 0x000D8'i32, 0x000DE'i32, 532, + 0x00189'i32, 0x0018A'i32, 705, + 0x001B1'i32, 0x001B2'i32, 717, + 0x00388'i32, 0x0038A'i32, 537, + 0x0038E'i32, 0x0038F'i32, 563, + 0x00391'i32, 0x003A1'i32, 532, + 0x003A3'i32, 0x003AB'i32, 532, + 0x003FD'i32, 0x003FF'i32, 370, + 0x00400'i32, 0x0040F'i32, 580, + 0x00410'i32, 0x0042F'i32, 532, + 0x00531'i32, 0x00556'i32, 548, + 0x010A0'i32, 0x010C5'i32, 7764, + 0x013A0'i32, 0x013EF'i32, 39364, + 0x013F0'i32, 0x013F5'i32, 508, + 0x01C90'i32, 0x01CBA'i32, -2508, + 0x01CBD'i32, 0x01CBF'i32, -2508, + 0x01F08'i32, 0x01F0F'i32, 492, + 0x01F18'i32, 0x01F1D'i32, 492, + 0x01F28'i32, 0x01F2F'i32, 492, + 0x01F38'i32, 0x01F3F'i32, 492, + 0x01F48'i32, 0x01F4D'i32, 492, + 0x01F68'i32, 0x01F6F'i32, 492, + 0x01F88'i32, 0x01F8F'i32, 492, + 0x01F98'i32, 0x01F9F'i32, 492, + 0x01FA8'i32, 0x01FAF'i32, 492, + 0x01FB8'i32, 0x01FB9'i32, 492, + 0x01FBA'i32, 0x01FBB'i32, 426, + 0x01FC8'i32, 0x01FCB'i32, 414, + 0x01FD8'i32, 0x01FD9'i32, 492, + 0x01FDA'i32, 0x01FDB'i32, 400, + 0x01FE8'i32, 0x01FE9'i32, 492, + 0x01FEA'i32, 0x01FEB'i32, 388, + 0x01FF8'i32, 0x01FF9'i32, 372, + 0x01FFA'i32, 0x01FFB'i32, 374, + 0x02C00'i32, 0x02C2E'i32, 548, + 0x02C7E'i32, 0x02C7F'i32, -10315, + 0x0FF21'i32, 0x0FF3A'i32, 532, + 0x10400'i32, 0x10427'i32, 540, + 0x104B0'i32, 0x104D3'i32, 540, + 0x10C80'i32, 0x10CB2'i32, 564, + 0x118A0'i32, 0x118BF'i32, 532, + 0x16E40'i32, 0x16E5F'i32, 532, + 0x1E900'i32, 0x1E921'i32, 534, ] toLowerSinglets = [ 0x00100'i32, 501, - 0x00102, 501, - 0x00104, 501, - 0x00106, 501, - 0x00108, 501, - 0x0010A, 501, - 0x0010C, 501, - 0x0010E, 501, - 0x00110, 501, - 0x00112, 501, - 0x00114, 501, - 0x00116, 501, - 0x00118, 501, - 0x0011A, 501, - 0x0011C, 501, - 0x0011E, 501, - 0x00120, 501, - 0x00122, 501, - 0x00124, 501, - 0x00126, 501, - 0x00128, 501, - 0x0012A, 501, - 0x0012C, 501, - 0x0012E, 501, - 0x00130, 301, - 0x00132, 501, - 0x00134, 501, - 0x00136, 501, - 0x00139, 501, - 0x0013B, 501, - 0x0013D, 501, - 0x0013F, 501, - 0x00141, 501, - 0x00143, 501, - 0x00145, 501, - 0x00147, 501, - 0x0014A, 501, - 0x0014C, 501, - 0x0014E, 501, - 0x00150, 501, - 0x00152, 501, - 0x00154, 501, - 0x00156, 501, - 0x00158, 501, - 0x0015A, 501, - 0x0015C, 501, - 0x0015E, 501, - 0x00160, 501, - 0x00162, 501, - 0x00164, 501, - 0x00166, 501, - 0x00168, 501, - 0x0016A, 501, - 0x0016C, 501, - 0x0016E, 501, - 0x00170, 501, - 0x00172, 501, - 0x00174, 501, - 0x00176, 501, - 0x00178, 379, - 0x00179, 501, - 0x0017B, 501, - 0x0017D, 501, - 0x00181, 710, - 0x00182, 501, - 0x00184, 501, - 0x00186, 706, - 0x00187, 501, - 0x0018B, 501, - 0x0018E, 579, - 0x0018F, 702, - 0x00190, 703, - 0x00191, 501, - 0x00193, 705, - 0x00194, 707, - 0x00196, 711, - 0x00197, 709, - 0x00198, 501, - 0x0019C, 711, - 0x0019D, 713, - 0x0019F, 714, - 0x001A0, 501, - 0x001A2, 501, - 0x001A4, 501, - 0x001A6, 718, - 0x001A7, 501, - 0x001A9, 718, - 0x001AC, 501, - 0x001AE, 718, - 0x001AF, 501, - 0x001B3, 501, - 0x001B5, 501, - 0x001B7, 719, - 0x001B8, 501, - 0x001BC, 501, - 0x001C4, 502, - 0x001C5, 501, - 0x001C7, 502, - 0x001C8, 501, - 0x001CA, 502, - 0x001CB, 501, - 0x001CD, 501, - 0x001CF, 501, - 0x001D1, 501, - 0x001D3, 501, - 0x001D5, 501, - 0x001D7, 501, - 0x001D9, 501, - 0x001DB, 501, - 0x001DE, 501, - 0x001E0, 501, - 0x001E2, 501, - 0x001E4, 501, - 0x001E6, 501, - 0x001E8, 501, - 0x001EA, 501, - 0x001EC, 501, - 0x001EE, 501, - 0x001F1, 502, - 0x001F2, 501, - 0x001F4, 501, - 0x001F6, 403, - 0x001F7, 444, - 0x001F8, 501, - 0x001FA, 501, - 0x001FC, 501, - 0x001FE, 501, - 0x00200, 501, - 0x00202, 501, - 0x00204, 501, - 0x00206, 501, - 0x00208, 501, - 0x0020A, 501, - 0x0020C, 501, - 0x0020E, 501, - 0x00210, 501, - 0x00212, 501, - 0x00214, 501, - 0x00216, 501, - 0x00218, 501, - 0x0021A, 501, - 0x0021C, 501, - 0x0021E, 501, - 0x00220, 370, - 0x00222, 501, - 0x00224, 501, - 0x00226, 501, - 0x00228, 501, - 0x0022A, 501, - 0x0022C, 501, - 0x0022E, 501, - 0x00230, 501, - 0x00232, 501, - 0x0023A, 11295, - 0x0023B, 501, - 0x0023D, 337, - 0x0023E, 11292, - 0x00241, 501, - 0x00243, 305, - 0x00244, 569, - 0x00245, 571, - 0x00246, 501, - 0x00248, 501, - 0x0024A, 501, - 0x0024C, 501, - 0x0024E, 501, - 0x00370, 501, - 0x00372, 501, - 0x00376, 501, - 0x0037F, 616, - 0x00386, 538, - 0x0038C, 564, - 0x003CF, 508, - 0x003D8, 501, - 0x003DA, 501, - 0x003DC, 501, - 0x003DE, 501, - 0x003E0, 501, - 0x003E2, 501, - 0x003E4, 501, - 0x003E6, 501, - 0x003E8, 501, - 0x003EA, 501, - 0x003EC, 501, - 0x003EE, 501, - 0x003F4, 440, - 0x003F7, 501, - 0x003F9, 493, - 0x003FA, 501, - 0x00460, 501, - 0x00462, 501, - 0x00464, 501, - 0x00466, 501, - 0x00468, 501, - 0x0046A, 501, - 0x0046C, 501, - 0x0046E, 501, - 0x00470, 501, - 0x00472, 501, - 0x00474, 501, - 0x00476, 501, - 0x00478, 501, - 0x0047A, 501, - 0x0047C, 501, - 0x0047E, 501, - 0x00480, 501, - 0x0048A, 501, - 0x0048C, 501, - 0x0048E, 501, - 0x00490, 501, - 0x00492, 501, - 0x00494, 501, - 0x00496, 501, - 0x00498, 501, - 0x0049A, 501, - 0x0049C, 501, - 0x0049E, 501, - 0x004A0, 501, - 0x004A2, 501, - 0x004A4, 501, - 0x004A6, 501, - 0x004A8, 501, - 0x004AA, 501, - 0x004AC, 501, - 0x004AE, 501, - 0x004B0, 501, - 0x004B2, 501, - 0x004B4, 501, - 0x004B6, 501, - 0x004B8, 501, - 0x004BA, 501, - 0x004BC, 501, - 0x004BE, 501, - 0x004C0, 515, - 0x004C1, 501, - 0x004C3, 501, - 0x004C5, 501, - 0x004C7, 501, - 0x004C9, 501, - 0x004CB, 501, - 0x004CD, 501, - 0x004D0, 501, - 0x004D2, 501, - 0x004D4, 501, - 0x004D6, 501, - 0x004D8, 501, - 0x004DA, 501, - 0x004DC, 501, - 0x004DE, 501, - 0x004E0, 501, - 0x004E2, 501, - 0x004E4, 501, - 0x004E6, 501, - 0x004E8, 501, - 0x004EA, 501, - 0x004EC, 501, - 0x004EE, 501, - 0x004F0, 501, - 0x004F2, 501, - 0x004F4, 501, - 0x004F6, 501, - 0x004F8, 501, - 0x004FA, 501, - 0x004FC, 501, - 0x004FE, 501, - 0x00500, 501, - 0x00502, 501, - 0x00504, 501, - 0x00506, 501, - 0x00508, 501, - 0x0050A, 501, - 0x0050C, 501, - 0x0050E, 501, - 0x00510, 501, - 0x00512, 501, - 0x00514, 501, - 0x00516, 501, - 0x00518, 501, - 0x0051A, 501, - 0x0051C, 501, - 0x0051E, 501, - 0x00520, 501, - 0x00522, 501, - 0x00524, 501, - 0x00526, 501, - 0x00528, 501, - 0x0052A, 501, - 0x0052C, 501, - 0x0052E, 501, - 0x010C7, 7764, - 0x010CD, 7764, - 0x01E00, 501, - 0x01E02, 501, - 0x01E04, 501, - 0x01E06, 501, - 0x01E08, 501, - 0x01E0A, 501, - 0x01E0C, 501, - 0x01E0E, 501, - 0x01E10, 501, - 0x01E12, 501, - 0x01E14, 501, - 0x01E16, 501, - 0x01E18, 501, - 0x01E1A, 501, - 0x01E1C, 501, - 0x01E1E, 501, - 0x01E20, 501, - 0x01E22, 501, - 0x01E24, 501, - 0x01E26, 501, - 0x01E28, 501, - 0x01E2A, 501, - 0x01E2C, 501, - 0x01E2E, 501, - 0x01E30, 501, - 0x01E32, 501, - 0x01E34, 501, - 0x01E36, 501, - 0x01E38, 501, - 0x01E3A, 501, - 0x01E3C, 501, - 0x01E3E, 501, - 0x01E40, 501, - 0x01E42, 501, - 0x01E44, 501, - 0x01E46, 501, - 0x01E48, 501, - 0x01E4A, 501, - 0x01E4C, 501, - 0x01E4E, 501, - 0x01E50, 501, - 0x01E52, 501, - 0x01E54, 501, - 0x01E56, 501, - 0x01E58, 501, - 0x01E5A, 501, - 0x01E5C, 501, - 0x01E5E, 501, - 0x01E60, 501, - 0x01E62, 501, - 0x01E64, 501, - 0x01E66, 501, - 0x01E68, 501, - 0x01E6A, 501, - 0x01E6C, 501, - 0x01E6E, 501, - 0x01E70, 501, - 0x01E72, 501, - 0x01E74, 501, - 0x01E76, 501, - 0x01E78, 501, - 0x01E7A, 501, - 0x01E7C, 501, - 0x01E7E, 501, - 0x01E80, 501, - 0x01E82, 501, - 0x01E84, 501, - 0x01E86, 501, - 0x01E88, 501, - 0x01E8A, 501, - 0x01E8C, 501, - 0x01E8E, 501, - 0x01E90, 501, - 0x01E92, 501, - 0x01E94, 501, - 0x01E9E, -7115, - 0x01EA0, 501, - 0x01EA2, 501, - 0x01EA4, 501, - 0x01EA6, 501, - 0x01EA8, 501, - 0x01EAA, 501, - 0x01EAC, 501, - 0x01EAE, 501, - 0x01EB0, 501, - 0x01EB2, 501, - 0x01EB4, 501, - 0x01EB6, 501, - 0x01EB8, 501, - 0x01EBA, 501, - 0x01EBC, 501, - 0x01EBE, 501, - 0x01EC0, 501, - 0x01EC2, 501, - 0x01EC4, 501, - 0x01EC6, 501, - 0x01EC8, 501, - 0x01ECA, 501, - 0x01ECC, 501, - 0x01ECE, 501, - 0x01ED0, 501, - 0x01ED2, 501, - 0x01ED4, 501, - 0x01ED6, 501, - 0x01ED8, 501, - 0x01EDA, 501, - 0x01EDC, 501, - 0x01EDE, 501, - 0x01EE0, 501, - 0x01EE2, 501, - 0x01EE4, 501, - 0x01EE6, 501, - 0x01EE8, 501, - 0x01EEA, 501, - 0x01EEC, 501, - 0x01EEE, 501, - 0x01EF0, 501, - 0x01EF2, 501, - 0x01EF4, 501, - 0x01EF6, 501, - 0x01EF8, 501, - 0x01EFA, 501, - 0x01EFC, 501, - 0x01EFE, 501, - 0x01F59, 492, - 0x01F5B, 492, - 0x01F5D, 492, - 0x01F5F, 492, - 0x01FBC, 491, - 0x01FCC, 491, - 0x01FEC, 493, - 0x01FFC, 491, - 0x02126, -7017, - 0x0212A, -7883, - 0x0212B, -7762, - 0x02132, 528, - 0x02183, 501, - 0x02C60, 501, - 0x02C62, -10243, - 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501, + 0x0A650'i32, 501, + 0x0A652'i32, 501, + 0x0A654'i32, 501, + 0x0A656'i32, 501, + 0x0A658'i32, 501, + 0x0A65A'i32, 501, + 0x0A65C'i32, 501, + 0x0A65E'i32, 501, + 0x0A660'i32, 501, + 0x0A662'i32, 501, + 0x0A664'i32, 501, + 0x0A666'i32, 501, + 0x0A668'i32, 501, + 0x0A66A'i32, 501, + 0x0A66C'i32, 501, + 0x0A680'i32, 501, + 0x0A682'i32, 501, + 0x0A684'i32, 501, + 0x0A686'i32, 501, + 0x0A688'i32, 501, + 0x0A68A'i32, 501, + 0x0A68C'i32, 501, + 0x0A68E'i32, 501, + 0x0A690'i32, 501, + 0x0A692'i32, 501, + 0x0A694'i32, 501, + 0x0A696'i32, 501, + 0x0A698'i32, 501, + 0x0A69A'i32, 501, + 0x0A722'i32, 501, + 0x0A724'i32, 501, + 0x0A726'i32, 501, + 0x0A728'i32, 501, + 0x0A72A'i32, 501, + 0x0A72C'i32, 501, + 0x0A72E'i32, 501, + 0x0A732'i32, 501, + 0x0A734'i32, 501, + 0x0A736'i32, 501, + 0x0A738'i32, 501, + 0x0A73A'i32, 501, + 0x0A73C'i32, 501, + 0x0A73E'i32, 501, + 0x0A740'i32, 501, + 0x0A742'i32, 501, + 0x0A744'i32, 501, + 0x0A746'i32, 501, + 0x0A748'i32, 501, + 0x0A74A'i32, 501, + 0x0A74C'i32, 501, + 0x0A74E'i32, 501, + 0x0A750'i32, 501, + 0x0A752'i32, 501, + 0x0A754'i32, 501, + 0x0A756'i32, 501, + 0x0A758'i32, 501, + 0x0A75A'i32, 501, + 0x0A75C'i32, 501, + 0x0A75E'i32, 501, + 0x0A760'i32, 501, + 0x0A762'i32, 501, + 0x0A764'i32, 501, + 0x0A766'i32, 501, + 0x0A768'i32, 501, + 0x0A76A'i32, 501, + 0x0A76C'i32, 501, + 0x0A76E'i32, 501, + 0x0A779'i32, 501, + 0x0A77B'i32, 501, + 0x0A77D'i32, -34832, + 0x0A77E'i32, 501, + 0x0A780'i32, 501, + 0x0A782'i32, 501, + 0x0A784'i32, 501, + 0x0A786'i32, 501, + 0x0A78B'i32, 501, + 0x0A78D'i32, -41780, + 0x0A790'i32, 501, + 0x0A792'i32, 501, + 0x0A796'i32, 501, + 0x0A798'i32, 501, + 0x0A79A'i32, 501, + 0x0A79C'i32, 501, + 0x0A79E'i32, 501, + 0x0A7A0'i32, 501, + 0x0A7A2'i32, 501, + 0x0A7A4'i32, 501, + 0x0A7A6'i32, 501, + 0x0A7A8'i32, 501, + 0x0A7AA'i32, -41808, + 0x0A7AB'i32, -41819, + 0x0A7AC'i32, -41815, + 0x0A7AD'i32, -41805, + 0x0A7AE'i32, -41808, + 0x0A7B0'i32, -41758, + 0x0A7B1'i32, -41782, + 0x0A7B2'i32, -41761, + 0x0A7B3'i32, 1428, + 0x0A7B4'i32, 501, + 0x0A7B6'i32, 501, + 0x0A7B8'i32, 501, + 0x0A7BA'i32, 501, + 0x0A7BC'i32, 501, + 0x0A7BE'i32, 501, + 0x0A7C2'i32, 501, + 0x0A7C4'i32, 452, + 0x0A7C5'i32, -41807, + 0x0A7C6'i32, -34884, ] toUpperRanges = [ - 0x00061'i32, 0x0007A, 468, - 0x000E0, 0x000F6, 468, - 0x000F8, 0x000FE, 468, - 0x0023F, 0x00240, 11315, - 0x00256, 0x00257, 295, - 0x0028A, 0x0028B, 283, - 0x0037B, 0x0037D, 630, - 0x003AD, 0x003AF, 463, - 0x003B1, 0x003C1, 468, - 0x003C3, 0x003CB, 468, - 0x003CD, 0x003CE, 437, - 0x00430, 0x0044F, 468, - 0x00450, 0x0045F, 420, - 0x00561, 0x00586, 452, - 0x010D0, 0x010FA, 3508, - 0x010FD, 0x010FF, 3508, - 0x013F8, 0x013FD, 492, - 0x01C83, 0x01C84, -5742, - 0x01F00, 0x01F07, 508, - 0x01F10, 0x01F15, 508, - 0x01F20, 0x01F27, 508, - 0x01F30, 0x01F37, 508, - 0x01F40, 0x01F45, 508, - 0x01F60, 0x01F67, 508, - 0x01F70, 0x01F71, 574, - 0x01F72, 0x01F75, 586, - 0x01F76, 0x01F77, 600, - 0x01F78, 0x01F79, 628, - 0x01F7A, 0x01F7B, 612, - 0x01F7C, 0x01F7D, 626, - 0x01F80, 0x01F87, 508, - 0x01F90, 0x01F97, 508, - 0x01FA0, 0x01FA7, 508, - 0x01FB0, 0x01FB1, 508, - 0x01FD0, 0x01FD1, 508, - 0x01FE0, 0x01FE1, 508, - 0x02C30, 0x02C5E, 452, - 0x02D00, 0x02D25, -6764, - 0x0AB70, 0x0ABBF, -38364, - 0x0FF41, 0x0FF5A, 468, - 0x10428, 0x1044F, 460, - 0x104D8, 0x104FB, 460, - 0x10CC0, 0x10CF2, 436, - 0x118C0, 0x118DF, 468, - 0x16E60, 0x16E7F, 468, - 0x1E922, 0x1E943, 466, + 0x00061'i32, 0x0007A'i32, 468, + 0x000E0'i32, 0x000F6'i32, 468, + 0x000F8'i32, 0x000FE'i32, 468, + 0x0023F'i32, 0x00240'i32, 11315, + 0x00256'i32, 0x00257'i32, 295, + 0x0028A'i32, 0x0028B'i32, 283, + 0x0037B'i32, 0x0037D'i32, 630, + 0x003AD'i32, 0x003AF'i32, 463, + 0x003B1'i32, 0x003C1'i32, 468, + 0x003C3'i32, 0x003CB'i32, 468, + 0x003CD'i32, 0x003CE'i32, 437, + 0x00430'i32, 0x0044F'i32, 468, + 0x00450'i32, 0x0045F'i32, 420, + 0x00561'i32, 0x00586'i32, 452, + 0x010D0'i32, 0x010FA'i32, 3508, + 0x010FD'i32, 0x010FF'i32, 3508, + 0x013F8'i32, 0x013FD'i32, 492, + 0x01C83'i32, 0x01C84'i32, -5742, + 0x01F00'i32, 0x01F07'i32, 508, + 0x01F10'i32, 0x01F15'i32, 508, + 0x01F20'i32, 0x01F27'i32, 508, + 0x01F30'i32, 0x01F37'i32, 508, + 0x01F40'i32, 0x01F45'i32, 508, + 0x01F60'i32, 0x01F67'i32, 508, + 0x01F70'i32, 0x01F71'i32, 574, + 0x01F72'i32, 0x01F75'i32, 586, + 0x01F76'i32, 0x01F77'i32, 600, + 0x01F78'i32, 0x01F79'i32, 628, + 0x01F7A'i32, 0x01F7B'i32, 612, + 0x01F7C'i32, 0x01F7D'i32, 626, + 0x01F80'i32, 0x01F87'i32, 508, + 0x01F90'i32, 0x01F97'i32, 508, + 0x01FA0'i32, 0x01FA7'i32, 508, + 0x01FB0'i32, 0x01FB1'i32, 508, + 0x01FD0'i32, 0x01FD1'i32, 508, + 0x01FE0'i32, 0x01FE1'i32, 508, + 0x02C30'i32, 0x02C5E'i32, 452, + 0x02D00'i32, 0x02D25'i32, -6764, + 0x0AB70'i32, 0x0ABBF'i32, -38364, + 0x0FF41'i32, 0x0FF5A'i32, 468, + 0x10428'i32, 0x1044F'i32, 460, + 0x104D8'i32, 0x104FB'i32, 460, + 0x10CC0'i32, 0x10CF2'i32, 436, + 0x118C0'i32, 0x118DF'i32, 468, + 0x16E60'i32, 0x16E7F'i32, 468, + 0x1E922'i32, 0x1E943'i32, 466, ] toUpperSinglets = [ 0x000B5'i32, 1243, - 0x000FF, 621, - 0x00101, 499, - 0x00103, 499, - 0x00105, 499, - 0x00107, 499, - 0x00109, 499, - 0x0010B, 499, - 0x0010D, 499, - 0x0010F, 499, - 0x00111, 499, - 0x00113, 499, - 0x00115, 499, - 0x00117, 499, - 0x00119, 499, - 0x0011B, 499, - 0x0011D, 499, - 0x0011F, 499, - 0x00121, 499, - 0x00123, 499, - 0x00125, 499, - 0x00127, 499, - 0x00129, 499, - 0x0012B, 499, - 0x0012D, 499, - 0x0012F, 499, - 0x00131, 268, - 0x00133, 499, - 0x00135, 499, - 0x00137, 499, - 0x0013A, 499, - 0x0013C, 499, - 0x0013E, 499, - 0x00140, 499, - 0x00142, 499, - 0x00144, 499, - 0x00146, 499, - 0x00148, 499, - 0x0014B, 499, - 0x0014D, 499, - 0x0014F, 499, - 0x00151, 499, - 0x00153, 499, - 0x00155, 499, - 0x00157, 499, - 0x00159, 499, - 0x0015B, 499, - 0x0015D, 499, - 0x0015F, 499, - 0x00161, 499, - 0x00163, 499, - 0x00165, 499, - 0x00167, 499, - 0x00169, 499, - 0x0016B, 499, - 0x0016D, 499, - 0x0016F, 499, - 0x00171, 499, - 0x00173, 499, - 0x00175, 499, - 0x00177, 499, - 0x0017A, 499, - 0x0017C, 499, - 0x0017E, 499, - 0x0017F, 200, - 0x00180, 695, - 0x00183, 499, - 0x00185, 499, - 0x00188, 499, - 0x0018C, 499, - 0x00192, 499, - 0x00195, 597, - 0x00199, 499, - 0x0019A, 663, - 0x0019E, 630, - 0x001A1, 499, - 0x001A3, 499, - 0x001A5, 499, - 0x001A8, 499, - 0x001AD, 499, - 0x001B0, 499, - 0x001B4, 499, - 0x001B6, 499, - 0x001B9, 499, - 0x001BD, 499, - 0x001BF, 556, - 0x001C5, 499, - 0x001C6, 498, - 0x001C8, 499, - 0x001C9, 498, - 0x001CB, 499, - 0x001CC, 498, - 0x001CE, 499, - 0x001D0, 499, - 0x001D2, 499, - 0x001D4, 499, - 0x001D6, 499, - 0x001D8, 499, - 0x001DA, 499, - 0x001DC, 499, - 0x001DD, 421, - 0x001DF, 499, - 0x001E1, 499, - 0x001E3, 499, - 0x001E5, 499, - 0x001E7, 499, - 0x001E9, 499, - 0x001EB, 499, - 0x001ED, 499, - 0x001EF, 499, - 0x001F2, 499, - 0x001F3, 498, - 0x001F5, 499, - 0x001F9, 499, - 0x001FB, 499, - 0x001FD, 499, - 0x001FF, 499, - 0x00201, 499, - 0x00203, 499, - 0x00205, 499, - 0x00207, 499, - 0x00209, 499, - 0x0020B, 499, - 0x0020D, 499, - 0x0020F, 499, - 0x00211, 499, - 0x00213, 499, - 0x00215, 499, - 0x00217, 499, - 0x00219, 499, - 0x0021B, 499, - 0x0021D, 499, - 0x0021F, 499, - 0x00223, 499, - 0x00225, 499, - 0x00227, 499, - 0x00229, 499, - 0x0022B, 499, - 0x0022D, 499, - 0x0022F, 499, - 0x00231, 499, - 0x00233, 499, - 0x0023C, 499, - 0x00242, 499, - 0x00247, 499, - 0x00249, 499, - 0x0024B, 499, - 0x0024D, 499, - 0x0024F, 499, - 0x00250, 11283, - 0x00251, 11280, - 0x00252, 11282, - 0x00253, 290, - 0x00254, 294, - 0x00259, 298, - 0x0025B, 297, - 0x0025C, 42819, - 0x00260, 295, - 0x00261, 42815, - 0x00263, 293, - 0x00265, 42780, - 0x00266, 42808, - 0x00268, 291, - 0x00269, 289, - 0x0026A, 42808, - 0x0026B, 11243, - 0x0026C, 42805, - 0x0026F, 289, - 0x00271, 11249, - 0x00272, 287, - 0x00275, 286, - 0x0027D, 11227, - 0x00280, 282, - 0x00282, 42807, - 0x00283, 282, - 0x00287, 42782, - 0x00288, 282, - 0x00289, 431, - 0x0028C, 429, - 0x00292, 281, - 0x0029D, 42761, - 0x0029E, 42758, - 0x00371, 499, - 0x00373, 499, - 0x00377, 499, - 0x003AC, 462, - 0x003C2, 469, - 0x003CC, 436, - 0x003D0, 438, - 0x003D1, 443, - 0x003D5, 453, - 0x003D6, 446, - 0x003D7, 492, - 0x003D9, 499, - 0x003DB, 499, - 0x003DD, 499, - 0x003DF, 499, - 0x003E1, 499, - 0x003E3, 499, - 0x003E5, 499, - 0x003E7, 499, - 0x003E9, 499, - 0x003EB, 499, - 0x003ED, 499, - 0x003EF, 499, - 0x003F0, 414, - 0x003F1, 420, - 0x003F2, 507, - 0x003F3, 384, - 0x003F5, 404, - 0x003F8, 499, - 0x003FB, 499, - 0x00461, 499, - 0x00463, 499, - 0x00465, 499, - 0x00467, 499, - 0x00469, 499, - 0x0046B, 499, - 0x0046D, 499, - 0x0046F, 499, - 0x00471, 499, - 0x00473, 499, - 0x00475, 499, - 0x00477, 499, - 0x00479, 499, - 0x0047B, 499, - 0x0047D, 499, - 0x0047F, 499, - 0x00481, 499, - 0x0048B, 499, - 0x0048D, 499, - 0x0048F, 499, - 0x00491, 499, - 0x00493, 499, - 0x00495, 499, - 0x00497, 499, - 0x00499, 499, - 0x0049B, 499, - 0x0049D, 499, - 0x0049F, 499, - 0x004A1, 499, - 0x004A3, 499, - 0x004A5, 499, - 0x004A7, 499, - 0x004A9, 499, - 0x004AB, 499, - 0x004AD, 499, - 0x004AF, 499, - 0x004B1, 499, - 0x004B3, 499, - 0x004B5, 499, - 0x004B7, 499, - 0x004B9, 499, - 0x004BB, 499, - 0x004BD, 499, - 0x004BF, 499, - 0x004C2, 499, - 0x004C4, 499, - 0x004C6, 499, - 0x004C8, 499, - 0x004CA, 499, - 0x004CC, 499, - 0x004CE, 499, - 0x004CF, 485, - 0x004D1, 499, - 0x004D3, 499, - 0x004D5, 499, - 0x004D7, 499, - 0x004D9, 499, - 0x004DB, 499, - 0x004DD, 499, - 0x004DF, 499, - 0x004E1, 499, - 0x004E3, 499, - 0x004E5, 499, - 0x004E7, 499, - 0x004E9, 499, - 0x004EB, 499, - 0x004ED, 499, - 0x004EF, 499, - 0x004F1, 499, - 0x004F3, 499, - 0x004F5, 499, - 0x004F7, 499, - 0x004F9, 499, - 0x004FB, 499, - 0x004FD, 499, - 0x004FF, 499, - 0x00501, 499, - 0x00503, 499, - 0x00505, 499, - 0x00507, 499, - 0x00509, 499, - 0x0050B, 499, - 0x0050D, 499, - 0x0050F, 499, - 0x00511, 499, - 0x00513, 499, - 0x00515, 499, - 0x00517, 499, - 0x00519, 499, - 0x0051B, 499, - 0x0051D, 499, - 0x0051F, 499, - 0x00521, 499, - 0x00523, 499, - 0x00525, 499, - 0x00527, 499, - 0x00529, 499, - 0x0052B, 499, - 0x0052D, 499, - 0x0052F, 499, - 0x01C80, -5754, - 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0x11C40'i32, + 0x11D46'i32, + 0x11D98'i32, + 0x16F50'i32, + 0x16FE3'i32, + 0x1D4A2'i32, + 0x1D4BB'i32, + 0x1D546'i32, + 0x1E14E'i32, + 0x1E94B'i32, + 0x1EE24'i32, + 0x1EE27'i32, + 0x1EE39'i32, + 0x1EE3B'i32, + 0x1EE42'i32, + 0x1EE47'i32, + 0x1EE49'i32, + 0x1EE4B'i32, + 0x1EE54'i32, + 0x1EE57'i32, + 0x1EE59'i32, + 0x1EE5B'i32, + 0x1EE5D'i32, + 0x1EE5F'i32, + 0x1EE64'i32, + 0x1EE7E'i32, ] spaceRanges = [ - 0x00009'i32, 0x0000D, - 0x00020, 0x00020, - 0x00085, 0x00085, - 0x000A0, 0x000A0, - 0x01680, 0x01680, - 0x02000, 0x0200A, - 0x02028, 0x02029, - 0x0202F, 0x0202F, - 0x0205F, 0x0205F, - 0x03000, 0x03000, + 0x00009'i32, 0x0000D'i32, + 0x00020'i32, 0x00020'i32, + 0x00085'i32, 0x00085'i32, + 0x000A0'i32, 0x000A0'i32, + 0x01680'i32, 0x01680'i32, + 0x02000'i32, 0x0200A'i32, + 0x02028'i32, 0x02029'i32, + 0x0202F'i32, 0x0202F'i32, + 0x0205F'i32, 0x0205F'i32, + 0x03000'i32, 0x03000'i32, ] unicodeSpaces = [ diff --git a/lib/pure/ioselects/ioselectors_kqueue.nim b/lib/pure/ioselects/ioselectors_kqueue.nim index e28218a97..513578eda 100644 --- a/lib/pure/ioselects/ioselectors_kqueue.nim +++ b/lib/pure/ioselects/ioselectors_kqueue.nim @@ -194,7 +194,9 @@ when hasThreadSupport: if s.changesLength > 0: if kevent(s.kqFD, addr(s.changes[0]), cint(s.changesLength), nil, 0, nil) == -1: - raiseIOSelectorsError(osLastError()) + let res = osLastError() + if cint(res) != ENOENT: # ignore pipes whose read end is closed + raiseIOSelectorsError(res) s.changesLength = 0 else: template modifyKQueue[T](s: Selector[T], nident: uint, nfilter: cshort, @@ -211,7 +213,9 @@ else: if length > 0: if kevent(s.kqFD, addr(s.changes[0]), length, nil, 0, nil) == -1: - raiseIOSelectorsError(osLastError()) + let res = osLastError() + if cint(res) != ENOENT: # ignore pipes whose read end is closed + raiseIOSelectorsError(res) s.changes.setLen(0) proc registerHandle*[T](s: Selector[T], fd: int | SocketHandle, diff --git a/lib/pure/ioselects/ioselectors_select.nim b/lib/pure/ioselects/ioselectors_select.nim index 11bc62b78..6c516395b 100644 --- a/lib/pure/ioselects/ioselectors_select.nim +++ b/lib/pure/ioselects/ioselectors_select.nim @@ -314,7 +314,7 @@ proc selectInto*[T](s: Selector[T], timeout: int, if timeout != -1: when defined(genode) or defined(freertos) or defined(zephyr) or defined(nuttx): - tv.tv_sec = Time(timeout div 1_000) + tv.tv_sec = posix.Time(timeout div 1_000) else: tv.tv_sec = timeout.int32 div 1_000 tv.tv_usec = (timeout.int32 %% 1_000) * 1_000 diff --git a/lib/pure/json.nim b/lib/pure/json.nim index 485b8918c..53fa7553a 100644 --- a/lib/pure/json.nim +++ b/lib/pure/json.nim @@ -1007,7 +1007,7 @@ when defined(js): {.emit: """for (var property in `x`) { if (`x`.hasOwnProperty(property)) { """.} - + var nimProperty: cstring var nimValue: JsObject {.emit: "`nimProperty` = property; `nimValue` = `x`[property];".} diff --git a/lib/pure/lexbase.nim b/lib/pure/lexbase.nim index 1b6b2b3a2..1efd97b24 100644 --- a/lib/pure/lexbase.nim +++ b/lib/pure/lexbase.nim @@ -104,9 +104,9 @@ proc fillBaseLexer(L: var BaseLexer, pos: int): int = result = 0 proc handleCR*(L: var BaseLexer, pos: int): int = - ## Call this if you scanned over '\c' in the buffer; it returns the + ## Call this if you scanned over `'\c'` in the buffer; it returns the ## position to continue the scanning from. `pos` must be the position - ## of the '\c'. + ## of the `'\c'`. assert(L.buf[pos] == '\c') inc(L.lineNumber) result = fillBaseLexer(L, pos) @@ -115,9 +115,9 @@ proc handleCR*(L: var BaseLexer, pos: int): int = L.lineStart = result proc handleLF*(L: var BaseLexer, pos: int): int = - ## Call this if you scanned over '\L' in the buffer; it returns the + ## Call this if you scanned over `'\L'` in the buffer; it returns the ## position to continue the scanning from. `pos` must be the position - ## of the '\L'. + ## of the `'\L'`. assert(L.buf[pos] == '\L') inc(L.lineNumber) result = fillBaseLexer(L, pos) #L.lastNL := result-1; // BUGFIX: was: result; diff --git a/lib/pure/logging.nim b/lib/pure/logging.nim index e3f0240a2..c30f68af8 100644 --- a/lib/pure/logging.nim +++ b/lib/pure/logging.nim @@ -839,6 +839,7 @@ proc addHandler*(handler: Logger) = ## each of those threads. ## ## See also: + ## * `removeHandler proc`_ ## * `getHandlers proc<#getHandlers>`_ runnableExamples: var logger = newConsoleLogger() @@ -846,6 +847,16 @@ proc addHandler*(handler: Logger) = doAssert logger in getHandlers() handlers.add(handler) +proc removeHandler*(handler: Logger) = + ## Removes a logger from the list of registered handlers. + ## + ## Note that for n times a logger is registered, n calls to this proc + ## are required to remove that logger. + for i, hnd in handlers: + if hnd == handler: + handlers.delete(i) + return + proc getHandlers*(): seq[Logger] = ## Returns a list of all the registered handlers. ## diff --git a/lib/pure/math.nim b/lib/pure/math.nim index 1ca4825a2..ed7d2382f 100644 --- a/lib/pure/math.nim +++ b/lib/pure/math.nim @@ -58,12 +58,13 @@ import std/private/since # of the standard library! import std/[bitops, fenv] +import system/countbits_impl when defined(nimPreviewSlimSystem): import std/assertions -when defined(c) or defined(cpp): +when not defined(js) and not defined(nimscript): # C proc c_isnan(x: float): bool {.importc: "isnan", header: "<math.h>".} # a generic like `x: SomeFloat` might work too if this is implemented via a C macro. @@ -155,7 +156,7 @@ func fac*(n: int): int = {.push checks: off, line_dir: off, stack_trace: off.} -when defined(posix) and not defined(genode): +when defined(posix) and not defined(genode) and not defined(macosx): {.passl: "-lm".} const @@ -224,7 +225,7 @@ when defined(js): return (num & ~(1 << bitPos)) | (bitVal << bitPos); } `b`[1] = updateBit(`b`[1], 31, `sgn`); - `result` = `a`[0] + `result` = `a`[0]; """.} proc signbit*(x: SomeFloat): bool {.inline, since: (1, 5, 1).} = @@ -1229,40 +1230,42 @@ func gcd*[T](x, y: T): T = swap x, y abs x -func gcd*(x, y: SomeInteger): SomeInteger = - ## Computes the greatest common (positive) divisor of `x` and `y`, - ## using the binary GCD (aka Stein's) algorithm. - ## - ## **See also:** - ## * `gcd func <#gcd,T,T>`_ for a float version - ## * `lcm func <#lcm,T,T>`_ - runnableExamples: - doAssert gcd(12, 8) == 4 - doAssert gcd(17, 63) == 1 - - when x is SomeSignedInt: - var x = abs(x) - else: - var x = x - when y is SomeSignedInt: - var y = abs(y) - else: - var y = y - - if x == 0: - return y - if y == 0: - return x - - let shift = countTrailingZeroBits(x or y) - y = y shr countTrailingZeroBits(y) - while x != 0: - x = x shr countTrailingZeroBits(x) - if y > x: - swap y, x - x -= y - y shl shift - +when useBuiltins: + ## this func uses bitwise comparisons from C compilers, which are not always available. + func gcd*(x, y: SomeInteger): SomeInteger = + ## Computes the greatest common (positive) divisor of `x` and `y`, + ## using the binary GCD (aka Stein's) algorithm. + ## + ## **See also:** + ## * `gcd func <#gcd,T,T>`_ for a float version + ## * `lcm func <#lcm,T,T>`_ + runnableExamples: + doAssert gcd(12, 8) == 4 + doAssert gcd(17, 63) == 1 + + when x is SomeSignedInt: + var x = abs(x) + else: + var x = x + when y is SomeSignedInt: + var y = abs(y) + else: + var y = y + + if x == 0: + return y + if y == 0: + return x + + let shift = countTrailingZeroBits(x or y) + y = y shr countTrailingZeroBits(y) + while x != 0: + x = x shr countTrailingZeroBits(x) + if y > x: + swap y, x + x -= y + y shl shift + func gcd*[T](x: openArray[T]): T {.since: (1, 1).} = ## Computes the greatest common (positive) divisor of the elements of `x`. ## diff --git a/lib/pure/md5.nim b/lib/pure/md5.nim index c65a9c2da..9c3f6d51b 100644 --- a/lib/pure/md5.nim +++ b/lib/pure/md5.nim @@ -100,32 +100,19 @@ proc decode(dest: var openArray[uint8], src: openArray[uint32]) = dest[i+3] = uint8(src[j] shr 24 and 0xff'u32) inc(i, 4) -template slice(s: string, a, b): openArray[uint8] = - when nimvm: - # toOpenArray is not implemented in VM - var s2 = newSeq[uint8](s.len) - for i in 0 ..< s2.len: - s2[i] = uint8(s[i]) - s2 - else: - s.toOpenArrayByte(a, b) - template slice(s: cstring, a, b): openArray[uint8] = when nimvm: # toOpenArray is not implemented in VM - slice($s, a, b) + toOpenArrayByte($s, a, b) else: when defined(js): # toOpenArrayByte for cstring is not implemented in JS - slice($s, a, b) + toOpenArrayByte($s, a, b) else: s.toOpenArrayByte(a, b) template slice(s: openArray[uint8], a, b): openArray[uint8] = - when nimvm: - s[a .. b] - else: - s.toOpenArray(a, b) + s.toOpenArray(a, b) const useMem = declared(copyMem) diff --git a/lib/pure/memfiles.nim b/lib/pure/memfiles.nim index df5b8c46f..8eec551c4 100644 --- a/lib/pure/memfiles.nim +++ b/lib/pure/memfiles.nim @@ -35,12 +35,12 @@ proc newEIO(msg: string): ref IOError = new(result) result.msg = msg -proc setFileSize(fh: FileHandle, newFileSize = -1): OSErrorCode = - ## Set the size of open file pointed to by `fh` to `newFileSize` if != -1. - ## Space is only allocated if that is cheaper than writing to the file. This - ## routine returns the last OSErrorCode found rather than raising to support - ## old rollback/clean-up code style. [ Should maybe move to std/osfiles. ] - if newFileSize == -1: +proc setFileSize(fh: FileHandle, newFileSize = -1, oldSize = -1): OSErrorCode = + ## Set the size of open file pointed to by `fh` to `newFileSize` if != -1, + ## allocating | freeing space from the file system. This routine returns the + ## last OSErrorCode found rather than raising to support old rollback/clean-up + ## code style. [ Should maybe move to std/osfiles. ] + if newFileSize < 0 or newFileSize == oldSize: return when defined(windows): var sizeHigh = int32(newFileSize shr 32) @@ -51,14 +51,18 @@ proc setFileSize(fh: FileHandle, newFileSize = -1): OSErrorCode = setEndOfFile(fh) == 0: result = lastErr else: - var e: cint # posix_fallocate truncates up when needed. - when declared(posix_fallocate): - while (e = posix_fallocate(fh, 0, newFileSize); e == EINTR): - discard - if e in [EINVAL, EOPNOTSUPP] and ftruncate(fh, newFileSize) == -1: - result = osLastError() # fallback arguable; Most portable, but allows SEGV - elif e != 0: - result = osLastError() + if newFileSize > oldSize: # grow the file + var e: cint # posix_fallocate truncates up when needed. + when declared(posix_fallocate): + while (e = posix_fallocate(fh, 0, newFileSize); e == EINTR): + discard + if e in [EINVAL, EOPNOTSUPP] and ftruncate(fh, newFileSize) == -1: + result = osLastError() # fallback arguable; Most portable BUT allows SEGV + elif e != 0: + result = osLastError() + else: # shrink the file + if ftruncate(fh.cint, newFileSize) == -1: + result = osLastError() type MemFile* = object ## represents a memory mapped file @@ -255,41 +259,31 @@ proc open*(filename: string, mode: FileMode = fmRead, flags = flags or O_CREAT or O_TRUNC var permissionsMode = S_IRUSR or S_IWUSR result.handle = open(filename, flags, permissionsMode) + if result.handle != -1: + if (let e = setFileSize(result.handle.FileHandle, newFileSize); + e != 0.OSErrorCode): fail(e, "error setting file size") else: result.handle = open(filename, flags) if result.handle == -1: - # XXX: errno is supposed to be set here - # Is there an exception that wraps it? fail(osLastError(), "error opening file") - if (let e = setFileSize(result.handle.FileHandle, newFileSize); - e != 0.OSErrorCode): fail(e, "error setting file size") - - if mappedSize != -1: - result.size = mappedSize - else: - var stat: Stat + if mappedSize != -1: #XXX Logic here differs from `when windows` branch .. + result.size = mappedSize #.. which always fstats&Uses min(mappedSize, st). + else: # if newFileSize!=-1: result.size=newFileSize # if trust setFileSize + var stat: Stat #^^.. BUT some FSes (eg. Linux HugeTLBfs) round to 2MiB. if fstat(result.handle, stat) != -1: - # XXX: Hmm, this could be unsafe - # Why is mmap taking int anyway? - result.size = int(stat.st_size) + result.size = stat.st_size.int # int may be 32-bit-unsafe for 2..<4 GiB else: fail(osLastError(), "error getting file size") result.flags = if mapFlags == cint(-1): MAP_SHARED else: mapFlags - #Ensure exactly one of MAP_PRIVATE cr MAP_SHARED is set + # Ensure exactly one of MAP_PRIVATE cr MAP_SHARED is set if int(result.flags and MAP_PRIVATE) == 0: result.flags = result.flags or MAP_SHARED - result.mem = mmap( - nil, - result.size, - if readonly: PROT_READ else: PROT_READ or PROT_WRITE, - result.flags, - result.handle, - offset) - + let pr = if readonly: PROT_READ else: PROT_READ or PROT_WRITE + result.mem = mmap(nil, result.size, pr, result.flags, result.handle, offset) if result.mem == cast[pointer](MAP_FAILED): fail(osLastError(), "file mapping failed") @@ -353,7 +347,7 @@ proc resize*(f: var MemFile, newFileSize: int) {.raises: [IOError, OSError].} = raise newException(IOError, "Cannot resize MemFile opened with allowRemap=false") if newFileSize != f.size: - if (let e = setFileSize(f.handle.FileHandle, newFileSize); + if (let e = setFileSize(f.handle.FileHandle, newFileSize, f.size); e != 0.OSErrorCode): raiseOSError(e) when defined(linux): #Maybe NetBSD, too? # On Linux this can be over 100 times faster than a munmap,mmap cycle. @@ -418,7 +412,7 @@ proc `==`*(x, y: MemSlice): bool = proc `$`*(ms: MemSlice): string {.inline.} = ## Return a Nim string built from a MemSlice. result.setLen(ms.size) - copyMem(addr(result[0]), ms.data, ms.size) + copyMem(result.cstring, ms.data, ms.size) iterator memSlices*(mfile: MemFile, delim = '\l', eat = '\r'): MemSlice {.inline.} = ## Iterates over \[optional `eat`] `delim`-delimited slices in MemFile `mfile`. diff --git a/lib/pure/mimetypes.nim b/lib/pure/mimetypes.nim index e1ad94a57..ff639e8e5 100644 --- a/lib/pure/mimetypes.nim +++ b/lib/pure/mimetypes.nim @@ -432,6 +432,10 @@ const mimes* = { "msty": "application/vnd.muvee.style", "taglet": "application/vnd.mynfc", "nlu": "application/vnd.neurolanguage.nlu", + "nim": "text/nim", + "nimble": "text/nimble", + "nimf": "text/nim", + "nims": "text/nim", "ntf": "application/vnd.nitf", "nitf": "application/vnd.nitf", "nnd": "application/vnd.noblenet-directory", diff --git a/lib/pure/nativesockets.nim b/lib/pure/nativesockets.nim index 20ea9d77a..656c98a20 100644 --- a/lib/pure/nativesockets.nim +++ b/lib/pure/nativesockets.nim @@ -97,6 +97,8 @@ type length*: int addrList*: seq[string] +const IPPROTO_NONE* = IPPROTO_IP ## Use this if your socket type requires a protocol value of zero (e.g. Unix sockets). + when useWinVersion: let osInvalidSocket* = winlean.INVALID_SOCKET diff --git a/lib/pure/net.nim b/lib/pure/net.nim index d77ab5db1..24c94b651 100644 --- a/lib/pure/net.nim +++ b/lib/pure/net.nim @@ -97,7 +97,7 @@ import std/nativesockets import std/[os, strutils, times, sets, options, monotimes] import std/ssl_config export nativesockets.Port, nativesockets.`$`, nativesockets.`==` -export Domain, SockType, Protocol +export Domain, SockType, Protocol, IPPROTO_NONE const useWinVersion = defined(windows) or defined(nimdoc) const useNimNetLite = defined(nimNetLite) or defined(freertos) or defined(zephyr) or @@ -1321,7 +1321,7 @@ when defined(nimdoc) or (defined(posix) and not useNimNetLite): when not defined(nimdoc): var socketAddr = makeUnixAddr(path) if socket.fd.connect(cast[ptr SockAddr](addr socketAddr), - (sizeof(socketAddr.sun_family) + path.len).SockLen) != 0'i32: + (offsetOf(socketAddr, sun_path) + path.len + 1).SockLen) != 0'i32: raiseOSError(osLastError()) proc bindUnix*(socket: Socket, path: string) = @@ -1330,7 +1330,7 @@ when defined(nimdoc) or (defined(posix) and not useNimNetLite): when not defined(nimdoc): var socketAddr = makeUnixAddr(path) if socket.fd.bindAddr(cast[ptr SockAddr](addr socketAddr), - (sizeof(socketAddr.sun_family) + path.len).SockLen) != 0'i32: + (offsetOf(socketAddr, sun_path) + path.len + 1).SockLen) != 0'i32: raiseOSError(osLastError()) when defineSsl: @@ -2040,8 +2040,10 @@ proc dial*(address: string, port: Port, if success: result = newSocket(lastFd, domain, sockType, protocol, buffered) elif lastError != 0.OSErrorCode: + lastFd.close() raiseOSError(lastError) else: + lastFd.close() raise newException(IOError, "Couldn't resolve address: " & address) proc connect*(socket: Socket, address: string, diff --git a/lib/pure/options.nim b/lib/pure/options.nim index b7a6a6212..b34ff72c0 100644 --- a/lib/pure/options.nim +++ b/lib/pure/options.nim @@ -117,9 +117,10 @@ proc option*[T](val: sink T): Option[T] {.inline.} = assert option[Foo](nil).isNone assert option(42).isSome - result.val = val - when T isnot SomePointer: - result.has = true + when T is SomePointer: + result = Option[T](val: val) + else: + result = Option[T](has: true, val: val) proc some*[T](val: sink T): Option[T] {.inline.} = ## Returns an `Option` that has the value `val`. @@ -136,10 +137,9 @@ proc some*[T](val: sink T): Option[T] {.inline.} = when T is SomePointer: assert not val.isNil - result.val = val + result = Option[T](val: val) else: - result.has = true - result.val = val + result = Option[T](has: true, val: val) proc none*(T: typedesc): Option[T] {.inline.} = ## Returns an `Option` for this type that has no value. diff --git a/lib/pure/os.nim b/lib/pure/os.nim index 3afb9cdd7..78ebb1c88 100644 --- a/lib/pure/os.nim +++ b/lib/pure/os.nim @@ -692,7 +692,10 @@ proc getAppDir*(): string {.rtl, extern: "nos$1", tags: [ReadIOEffect], noWeirdT proc sleep*(milsecs: int) {.rtl, extern: "nos$1", tags: [TimeEffect], noWeirdTarget.} = ## Sleeps `milsecs` milliseconds. + ## A negative `milsecs` causes sleep to return immediately. when defined(windows): + if milsecs < 0: + return # fixes #23732 winlean.sleep(int32(milsecs)) else: var a, b: Timespec @@ -754,14 +757,14 @@ template rawToFormalFileInfo(rawInfo, path, formalInfo): untyped = ## 'rawInfo' is either a 'BY_HANDLE_FILE_INFORMATION' structure on Windows, ## or a 'Stat' structure on posix when defined(windows): - template merge(a, b): untyped = - int64( + template merge[T](a, b): untyped = + cast[T]( (uint64(cast[uint32](a))) or (uint64(cast[uint32](b)) shl 32) ) formalInfo.id.device = rawInfo.dwVolumeSerialNumber - formalInfo.id.file = merge(rawInfo.nFileIndexLow, rawInfo.nFileIndexHigh) - formalInfo.size = merge(rawInfo.nFileSizeLow, rawInfo.nFileSizeHigh) + formalInfo.id.file = merge[FileId](rawInfo.nFileIndexLow, rawInfo.nFileIndexHigh) + formalInfo.size = merge[BiggestInt](rawInfo.nFileSizeLow, rawInfo.nFileSizeHigh) formalInfo.linkCount = rawInfo.nNumberOfLinks formalInfo.lastAccessTime = fromWinTime(rdFileTime(rawInfo.ftLastAccessTime)) formalInfo.lastWriteTime = fromWinTime(rdFileTime(rawInfo.ftLastWriteTime)) diff --git a/lib/pure/osproc.nim b/lib/pure/osproc.nim index 9284e823a..c304ecca6 100644 --- a/lib/pure/osproc.nim +++ b/lib/pure/osproc.nim @@ -212,7 +212,7 @@ proc processID*(p: Process): int {.rtl, extern: "nosp$1".} = return p.id proc waitForExit*(p: Process, timeout: int = -1): int {.rtl, - extern: "nosp$1", raises: [OSError, ValueError], tags: [].} + extern: "nosp$1", raises: [OSError, ValueError], tags: [TimeEffect].} ## Waits for the process to finish and returns `p`'s error code. ## ## .. warning:: Be careful when using `waitForExit` for processes created without @@ -457,7 +457,7 @@ proc execProcesses*(cmds: openArray[string], if afterRunEvent != nil: afterRunEvent(i, p) close(p) -iterator lines*(p: Process, keepNewLines = false): string {.since: (1, 3), raises: [OSError, IOError, ValueError], tags: [ReadIOEffect].} = +iterator lines*(p: Process, keepNewLines = false): string {.since: (1, 3), raises: [OSError, IOError, ValueError], tags: [ReadIOEffect, TimeEffect].} = ## Convenience iterator for working with `startProcess` to read data from a ## background process. ## @@ -487,7 +487,7 @@ iterator lines*(p: Process, keepNewLines = false): string {.since: (1, 3), raise discard waitForExit(p) proc readLines*(p: Process): (seq[string], int) {.since: (1, 3), - raises: [OSError, IOError, ValueError], tags: [ReadIOEffect].} = + raises: [OSError, IOError, ValueError], tags: [ReadIOEffect, TimeEffect].} = ## Convenience function for working with `startProcess` to read data from a ## background process. ## @@ -1123,14 +1123,13 @@ elif not defined(useNimRtl): var error: cint let sizeRead = read(data.pErrorPipe[readIdx], addr error, sizeof(error)) if sizeRead == sizeof(error): - raiseOSError(osLastError(), + raiseOSError(OSErrorCode(error), "Could not find command: '" & $data.sysCommand & "'. OS error: " & $strerror(error)) return pid {.push stacktrace: off, profiler: off.} - proc startProcessFail(data: ptr StartProcessData) = - var error: cint = errno + proc startProcessFail(data: ptr StartProcessData, error: cint = errno) = discard write(data.pErrorPipe[writeIdx], addr error, sizeof(error)) exitnow(1) @@ -1167,7 +1166,11 @@ elif not defined(useNimRtl): if (poUsePath in data.options): when defined(uClibc) or defined(linux) or defined(haiku): # uClibc environment (OpenWrt included) doesn't have the full execvpe - let exe = findExe(data.sysCommand) + var exe: string + try: + exe = findExe(data.sysCommand) + except OSError as e: + startProcessFail(data, e.errorCode) discard execve(exe.cstring, data.sysArgs, data.sysEnv) else: # MacOSX doesn't have execvpe, so we need workaround. @@ -1353,114 +1356,63 @@ elif not defined(useNimRtl): result = exitStatusLikeShell(p.exitStatus) else: - import std/times - - const - hasThreadSupport = compileOption("threads") and not defined(nimscript) + import std/times except getTime + import std/monotimes proc waitForExit(p: Process, timeout: int = -1): int = - template adjustTimeout(t, s, e: Timespec) = - var diff: int - var b: Timespec - b.tv_sec = e.tv_sec - b.tv_nsec = e.tv_nsec - e.tv_sec = e.tv_sec - s.tv_sec - if e.tv_nsec >= s.tv_nsec: - e.tv_nsec -= s.tv_nsec - else: - if e.tv_sec == posix.Time(0): - raise newException(ValueError, "System time was modified") - else: - diff = s.tv_nsec - e.tv_nsec - e.tv_nsec = 1_000_000_000 - diff - t.tv_sec = t.tv_sec - e.tv_sec - if t.tv_nsec >= e.tv_nsec: - t.tv_nsec -= e.tv_nsec - else: - t.tv_sec = t.tv_sec - posix.Time(1) - diff = e.tv_nsec - t.tv_nsec - t.tv_nsec = 1_000_000_000 - diff - s.tv_sec = b.tv_sec - s.tv_nsec = b.tv_nsec - if p.exitFlag: return exitStatusLikeShell(p.exitStatus) - if timeout == -1: - var status: cint = 1 + if timeout < 0: + # Backwards compatibility with previous verison to + # handle cases where timeout == -1, but extend + # to handle cases where timeout < 0 + var status: cint if waitpid(p.id, status, 0) < 0: raiseOSError(osLastError()) p.exitFlag = true p.exitStatus = status else: - var nmask, omask: Sigset - var sinfo: SigInfo - var stspec, enspec, tmspec: Timespec - - discard sigemptyset(nmask) - discard sigemptyset(omask) - discard sigaddset(nmask, SIGCHLD) - - when hasThreadSupport: - if pthread_sigmask(SIG_BLOCK, nmask, omask) == -1: - raiseOSError(osLastError()) - else: - if sigprocmask(SIG_BLOCK, nmask, omask) == -1: - raiseOSError(osLastError()) - - if timeout >= 1000: - tmspec.tv_sec = posix.Time(timeout div 1_000) - tmspec.tv_nsec = (timeout %% 1_000) * 1_000_000 - else: - tmspec.tv_sec = posix.Time(0) - tmspec.tv_nsec = (timeout * 1_000_000) - - try: - if clock_gettime(CLOCK_REALTIME, stspec) == -1: - raiseOSError(osLastError()) - while true: - let res = sigtimedwait(nmask, sinfo, tmspec) - if res == SIGCHLD: - if sinfo.si_pid == p.id: - var status: cint = 1 - if waitpid(p.id, status, 0) < 0: - raiseOSError(osLastError()) - p.exitFlag = true - p.exitStatus = status - break - else: - # we have SIGCHLD, but not for process we are waiting, - # so we need to adjust timeout value and continue - if clock_gettime(CLOCK_REALTIME, enspec) == -1: - raiseOSError(osLastError()) - adjustTimeout(tmspec, stspec, enspec) - elif res < 0: - let err = osLastError() - if err.cint == EINTR: - # we have received another signal, so we need to - # adjust timeout and continue - if clock_gettime(CLOCK_REALTIME, enspec) == -1: - raiseOSError(osLastError()) - adjustTimeout(tmspec, stspec, enspec) - elif err.cint == EAGAIN: - # timeout expired, so we trying to kill process - if posix.kill(p.id, SIGKILL) == -1: - raiseOSError(osLastError()) - var status: cint = 1 - if waitpid(p.id, status, 0) < 0: - raiseOSError(osLastError()) - p.exitFlag = true - p.exitStatus = status - break - else: - raiseOSError(err) - finally: - when hasThreadSupport: - if pthread_sigmask(SIG_UNBLOCK, nmask, omask) == -1: - raiseOSError(osLastError()) + # Max 50ms delay + const maxWait = initDuration(milliseconds = 50) + let wait = initDuration(milliseconds = timeout) + let deadline = getMonoTime() + wait + # starting 50μs delay + var delay = initDuration(microseconds = 50) + + while true: + var status: cint + let pid = waitpid(p.id, status, WNOHANG) + if p.id == pid : + p.exitFlag = true + p.exitStatus = status + break + elif pid.int == -1: + raiseOsError(osLastError()) else: - if sigprocmask(SIG_UNBLOCK, nmask, omask) == -1: - raiseOSError(osLastError()) + # Continue waiting if needed + if getMonoTime() >= deadline: + # Previous version of `waitForExit` + # foricibly killed the process. + # We keep this so we don't break programs + # that depend on this behavior + if posix.kill(p.id, SIGKILL) < 0: + raiseOSError(osLastError()) + else: + const max = 1_000_000_000 + let + newWait = getMonoTime() + delay + ticks = newWait.ticks() + ns = ticks mod max + secs = ticks div max + var + waitSpec: TimeSpec + unused: Timespec + waitSpec.tv_sec = posix.Time(secs) + waitSpec.tv_nsec = clong ns + discard posix.clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, waitSpec, unused) + let remaining = deadline - getMonoTime() + delay = min([delay * 2, remaining, maxWait]) result = exitStatusLikeShell(p.exitStatus) diff --git a/lib/pure/parseopt.nim b/lib/pure/parseopt.nim index 24c903b58..03f151b66 100644 --- a/lib/pure/parseopt.nim +++ b/lib/pure/parseopt.nim @@ -176,6 +176,7 @@ include "system/inclrtl" +import std/strutils import std/os type @@ -249,9 +250,20 @@ proc initOptParser*(cmdline: seq[string], shortNoVal: set[char] = {}, result.cmds[i] = cmdline[i] else: when declared(paramCount): - result.cmds = newSeq[string](paramCount()) - for i in countup(1, paramCount()): - result.cmds[i-1] = paramStr(i) + when defined(nimscript): + var ctr = 0 + var firstNimsFound = false + for i in countup(0, paramCount()): + if firstNimsFound: + result.cmds[ctr] = paramStr(i) + inc ctr, 1 + if paramStr(i).endsWith(".nims") and not firstNimsFound: + firstNimsFound = true + result.cmds = newSeq[string](paramCount()-i) + else: + result.cmds = newSeq[string](paramCount()) + for i in countup(1, paramCount()): + result.cmds[i-1] = paramStr(i) else: # we cannot provide this for NimRtl creation on Posix, because we can't # access the command line arguments then! diff --git a/lib/pure/parseutils.nim b/lib/pure/parseutils.nim index ce642fcf7..2ca255fa0 100644 --- a/lib/pure/parseutils.nim +++ b/lib/pure/parseutils.nim @@ -460,6 +460,8 @@ proc parseBiggestInt*(s: openArray[char], number: var BiggestInt): int {. var res: BiggestInt doAssert parseBiggestInt("9223372036854775807", res) == 19 doAssert res == 9223372036854775807 + doAssert parseBiggestInt("-2024_05_09", res) == 11 + doAssert res == -20240509 var res = BiggestInt(0) # use 'res' for exception safety (don't write to 'number' in case of an # overflow exception): @@ -474,10 +476,8 @@ proc parseInt*(s: openArray[char], number: var int): int {. ## `ValueError` is raised if the parsed integer is out of the valid range. runnableExamples: var res: int - doAssert parseInt("2019", res, 0) == 4 - doAssert res == 2019 - doAssert parseInt("2019", res, 2) == 2 - doAssert res == 19 + doAssert parseInt("-2024_05_02", res) == 11 + doAssert res == -20240502 var res = BiggestInt(0) result = parseBiggestInt(s, res) when sizeof(int) <= 4: @@ -992,6 +992,10 @@ proc parseBiggestInt*(s: string, number: var BiggestInt, start = 0): int {.noSid var res: BiggestInt doAssert parseBiggestInt("9223372036854775807", res, 0) == 19 doAssert res == 9223372036854775807 + doAssert parseBiggestInt("-2024_05_09", res) == 11 + doAssert res == -20240509 + doAssert parseBiggestInt("-2024_05_02", res, 7) == 4 + doAssert res == 502 parseBiggestInt(s.toOpenArray(start, s.high), number) proc parseInt*(s: string, number: var int, start = 0): int {.noSideEffect, raises: [ValueError].} = @@ -1000,10 +1004,10 @@ proc parseInt*(s: string, number: var int, start = 0): int {.noSideEffect, raise ## `ValueError` is raised if the parsed integer is out of the valid range. runnableExamples: var res: int - doAssert parseInt("2019", res, 0) == 4 - doAssert res == 2019 - doAssert parseInt("2019", res, 2) == 2 - doAssert res == 19 + doAssert parseInt("-2024_05_02", res) == 11 + doAssert res == -20240502 + doAssert parseInt("-2024_05_02", res, 7) == 4 + doAssert res == 502 parseInt(s.toOpenArray(start, s.high), number) diff --git a/lib/pure/pegs.nim b/lib/pure/pegs.nim index ca2e80021..2969fd6d7 100644 --- a/lib/pure/pegs.nim +++ b/lib/pure/pegs.nim @@ -1047,7 +1047,7 @@ template eventParser*(pegAst, handlers: untyped): (proc(s: string): int) = `enter hdPostf`(s, pegNode, start) else: discard - let hdPostf = ident(substr(strVal(pegKind), 2)) + let hdPostf = ident(substr($pegKind, 2)) getAst(mkDoEnter(hdPostf, s, pegNode, start)) macro leave(pegKind, s, pegNode, start, length: untyped): untyped = @@ -1058,7 +1058,7 @@ template eventParser*(pegAst, handlers: untyped): (proc(s: string): int) = `leave hdPostf`(s, pegNode, start, length) else: discard - let hdPostf = ident(substr(strVal(pegKind), 2)) + let hdPostf = ident(substr($pegKind, 2)) getAst(mkDoLeave(hdPostf, s, pegNode, start, length)) matchOrParse(parseIt) diff --git a/lib/pure/random.nim b/lib/pure/random.nim index 749944376..3ec77d37e 100644 --- a/lib/pure/random.nim +++ b/lib/pure/random.nim @@ -79,15 +79,28 @@ when defined(nimPreviewSlimSystem): include system/inclrtl {.push debugger: off.} +template whenHasBigInt64(yes64, no64): untyped = + when defined(js): + when compiles(compileOption("jsbigint64")): + when compileOption("jsbigint64"): + yes64 + else: + no64 + else: + no64 + else: + yes64 -when defined(js): - type Ui = uint32 - const randMax = 4_294_967_295u32 -else: +whenHasBigInt64: type Ui = uint64 const randMax = 18_446_744_073_709_551_615u64 +do: + type Ui = uint32 + + const randMax = 4_294_967_295u32 + type Rand* = object ## State of a random number generator. @@ -105,17 +118,17 @@ type ## generator are **not** thread-safe! a0, a1: Ui -when defined(js): - var state = Rand( - a0: 0x69B4C98Cu32, - a1: 0xFED1DD30u32) # global for backwards compatibility -else: +whenHasBigInt64: const DefaultRandSeed = Rand( a0: 0x69B4C98CB8530805u64, a1: 0xFED1DD3004688D67CAu64) # racy for multi-threading but good enough for now: var state = DefaultRandSeed # global for backwards compatibility +do: + var state = Rand( + a0: 0x69B4C98Cu32, + a1: 0xFED1DD30u32) # global for backwards compatibility func isValid(r: Rand): bool {.inline.} = ## Check whether state of `r` is valid. @@ -208,10 +221,10 @@ proc skipRandomNumbers*(s: var Rand) = doAssert vals == [501737, 497901, 500683, 500157] - when defined(js): - const helper = [0xbeac0467u32, 0xd86b048bu32] - else: + whenHasBigInt64: const helper = [0xbeac0467eba5facbu64, 0xd86b048b86aa9922u64] + do: + const helper = [0xbeac0467u32, 0xd86b048bu32] var s0 = Ui 0 s1 = Ui 0 @@ -294,7 +307,13 @@ proc rand*(r: var Rand; max: range[0.0 .. high(float)]): float {.benign.} = let x = next(r) when defined(js): - result = (float(x) / float(high(uint32))) * max + when compiles(compileOption("jsbigint64")): + when compileOption("jsbigint64"): + result = (float(x) / float(high(uint64))) * max + else: + result = (float(x) / float(high(uint32))) * max + else: + result = (float(x) / float(high(uint32))) * max else: let u = (0x3FFu64 shl 52u64) or (x shr 12u64) result = (cast[float](u) - 1.0) * max diff --git a/lib/pure/streams.nim b/lib/pure/streams.nim index 8ae7fb3c1..56f49d7b1 100644 --- a/lib/pure/streams.nim +++ b/lib/pure/streams.nim @@ -15,6 +15,11 @@ ## Other modules may provide other implementations for this standard ## stream interface. ## +## .. warning:: Due to the use of `pointer`, the `readData`, `peekData` and +## `writeData` interfaces are not available on the compile-time VM, and must +## be cast from a `ptr string` on the JS backend. However, `readDataStr` is +## available generally in place of `readData`. +## ## Basic usage ## =========== ## @@ -938,10 +943,14 @@ proc peekFloat64*(s: Stream): float64 = proc readStrPrivate(s: Stream, length: int, str: var string) = if length > len(str): setLen(str, length) - when defined(js): - let L = readData(s, addr(str), length) + var L: int + when nimvm: + L = readDataStr(s, str, 0..length-1) else: - let L = readData(s, cstring(str), length) + when defined(js): + L = readData(s, addr(str), length) + else: + L = readData(s, cstring(str), length) if L != len(str): setLen(str, L) proc readStr*(s: Stream, length: int, str: var string) {.since: (1, 3).} = diff --git a/lib/pure/strmisc.nim b/lib/pure/strmisc.nim index c8cd839be..a3e539e7e 100644 --- a/lib/pure/strmisc.nim +++ b/lib/pure/strmisc.nim @@ -27,20 +27,17 @@ func expandTabs*(s: string, tabSize: int = 8): string = doAssert expandTabs("a\tb\n\txy\t", 3) == "a b\n xy " result = newStringOfCap(s.len + s.len shr 2) - var pos = 0 template addSpaces(n) = - for j in 0 ..< n: + for _ in 1..n: result.add(' ') - pos += 1 + pos += n - for i in 0 ..< len(s): - let c = s[i] + var pos = 0 + let denominator = if tabSize > 0: tabSize else: 1 + for c in s: if c == '\t': - let - denominator = if tabSize > 0: tabSize else: 1 - numSpaces = tabSize - pos mod denominator - + let numSpaces = tabSize - pos mod denominator addSpaces(numSpaces) else: result.add(c) diff --git a/lib/pure/strutils.nim b/lib/pure/strutils.nim index 741562a6e..81be7db17 100644 --- a/lib/pure/strutils.nim +++ b/lib/pure/strutils.nim @@ -334,9 +334,9 @@ func normalize*(s: string): string {.rtl, extern: "nsuNormalize".} = func cmpIgnoreCase*(a, b: string): int {.rtl, extern: "nsuCmpIgnoreCase".} = ## Compares two strings in a case insensitive manner. Returns: ## - ## | 0 if a == b - ## | < 0 if a < b - ## | > 0 if a > b + ## | `0` if a == b + ## | `< 0` if a < b + ## | `> 0` if a > b runnableExamples: doAssert cmpIgnoreCase("FooBar", "foobar") == 0 doAssert cmpIgnoreCase("bar", "Foo") < 0 @@ -354,9 +354,9 @@ func cmpIgnoreStyle*(a, b: string): int {.rtl, extern: "nsuCmpIgnoreStyle".} = ## ## Returns: ## - ## | 0 if a == b - ## | < 0 if a < b - ## | > 0 if a > b + ## | `0` if a == b + ## | `< 0` if a < b + ## | `> 0` if a > b runnableExamples: doAssert cmpIgnoreStyle("foo_bar", "FooBar") == 0 doAssert cmpIgnoreStyle("foo_bar_5", "FooBar4") > 0 @@ -565,7 +565,7 @@ iterator rsplit*(s: string, sep: char, maxsplit: int = -1): string = ## Splits the string `s` into substrings from the right using a ## string separator. Works exactly the same as `split iterator - ## <#split.i,string,char,int>`_ except in reverse order. + ## <#split.i,string,char,int>`_ except in **reverse** order. ## ## ```nim ## for piece in "foo:bar".rsplit(':'): @@ -592,7 +592,7 @@ iterator rsplit*(s: string, seps: set[char] = Whitespace, maxsplit: int = -1): string = ## Splits the string `s` into substrings from the right using a ## string separator. Works exactly the same as `split iterator - ## <#split.i,string,char,int>`_ except in reverse order. + ## <#split.i,string,char,int>`_ except in **reverse** order. ## ## ```nim ## for piece in "foo bar".rsplit(WhiteSpace): @@ -622,7 +622,7 @@ iterator rsplit*(s: string, sep: string, maxsplit: int = -1, keepSeparators: bool = false): string = ## Splits the string `s` into substrings from the right using a ## string separator. Works exactly the same as `split iterator - ## <#split.i,string,string,int>`_ except in reverse order. + ## <#split.i,string,string,int>`_ except in **reverse** order. ## ## ```nim ## for piece in "foothebar".rsplit("the"): @@ -805,7 +805,7 @@ func split*(s: string, sep: string, maxsplit: int = -1): seq[string] {.rtl, func rsplit*(s: string, sep: char, maxsplit: int = -1): seq[string] {.rtl, extern: "nsuRSplitChar".} = ## The same as the `rsplit iterator <#rsplit.i,string,char,int>`_, but is a func - ## that returns a sequence of substrings. + ## that returns a sequence of substrings in original order. ## ## A possible common use case for `rsplit` is path manipulation, ## particularly on systems that don't use a common delimiter. @@ -835,7 +835,7 @@ func rsplit*(s: string, seps: set[char] = Whitespace, maxsplit: int = -1): seq[string] {.rtl, extern: "nsuRSplitCharSet".} = ## The same as the `rsplit iterator <#rsplit.i,string,set[char],int>`_, but is a - ## func that returns a sequence of substrings. + ## func that returns a sequence of substrings in original order. ## ## A possible common use case for `rsplit` is path manipulation, ## particularly on systems that don't use a common delimiter. @@ -867,7 +867,7 @@ func rsplit*(s: string, seps: set[char] = Whitespace, func rsplit*(s: string, sep: string, maxsplit: int = -1): seq[string] {.rtl, extern: "nsuRSplitString".} = ## The same as the `rsplit iterator <#rsplit.i,string,string,int,bool>`_, but is a func - ## that returns a sequence of substrings. + ## that returns a sequence of substrings in original order. ## ## A possible common use case for `rsplit` is path manipulation, ## particularly on systems that don't use a common delimiter. @@ -1307,7 +1307,7 @@ func parseEnum*[T: enum](s: string): T = ## type contains multiple fields with the same string value. ## ## Raises `ValueError` for an invalid value in `s`. The comparison is - ## done in a style insensitive way. + ## done in a style insensitive way (first letter is still case-sensitive). runnableExamples: type MyEnum = enum @@ -1327,7 +1327,7 @@ func parseEnum*[T: enum](s: string, default: T): T = ## type contains multiple fields with the same string value. ## ## Uses `default` for an invalid value in `s`. The comparison is done in a - ## style insensitive way. + ## style insensitive way (first letter is still case-sensitive). runnableExamples: type MyEnum = enum diff --git a/lib/pure/sugar.nim b/lib/pure/sugar.nim index 7833ed063..90ba20c13 100644 --- a/lib/pure/sugar.nim +++ b/lib/pure/sugar.nim @@ -203,7 +203,7 @@ proc freshIdentNodes(ast: NimNode): NimNode = # see also https://github.com/nim-lang/Nim/pull/8531#issuecomment-410436458 proc inspect(node: NimNode): NimNode = case node.kind: - of nnkIdent, nnkSym: + of nnkIdent, nnkSym, nnkOpenSymChoice, nnkClosedSymChoice, nnkOpenSym: result = ident($node) of nnkEmpty, nnkLiterals: result = node @@ -345,9 +345,9 @@ proc collectImpl(init, body: NimNode): NimNode {.since: (1, 1).} = let res = genSym(nskVar, "collectResult") var bracketExpr: NimNode if init != nil: - expectKind init, {nnkCall, nnkIdent, nnkSym, nnkClosedSymChoice, nnkOpenSymChoice} + expectKind init, {nnkCall, nnkIdent, nnkSym, nnkClosedSymChoice, nnkOpenSymChoice, nnkOpenSym} bracketExpr = newTree(nnkBracketExpr, - if init.kind in {nnkCall, nnkClosedSymChoice, nnkOpenSymChoice}: + if init.kind in {nnkCall, nnkClosedSymChoice, nnkOpenSymChoice, nnkOpenSym}: freshIdentNodes(init[0]) else: freshIdentNodes(init)) else: bracketExpr = newTree(nnkBracketExpr) diff --git a/lib/pure/times.nim b/lib/pure/times.nim index a8e24313f..e59153455 100644 --- a/lib/pure/times.nim +++ b/lib/pure/times.nim @@ -131,9 +131,10 @@ =========== ================================================================================= ============================================== Other strings can be inserted by putting them in `''`. For example - `hh'->'mm` will give `01->56`. The following characters can be - inserted without quoting them: `:` `-` `(` `)` `/` `[` `]` - `,`. A literal `'` can be specified with `''`. + `hh'->'mm` will give `01->56`. In addition to spaces, + the following characters can be inserted without quoting them: + `:` `-` `,` `.` `(` `)` `/` `[` `]`. + A literal `'` can be specified with `''`. However you don't need to necessarily separate format patterns, as an unambiguous format string like `yyyyMMddhhmmss` is also valid (although @@ -1498,11 +1499,11 @@ proc `-=`*(a: var DateTime, b: Duration) = a = a - b proc getDateStr*(dt = now()): string {.rtl, extern: "nt$1", tags: [TimeEffect].} = - ## Gets the current local date as a string of the format `YYYY-MM-DD`. + ## Gets the current local date as a string of the format `YYYY-MM-dd`. runnableExamples: echo getDateStr(now() - 1.months) assertDateTimeInitialized dt - result = newStringOfCap(10) # len("YYYY-MM-DD") == 10 + result = newStringOfCap(10) # len("YYYY-MM-dd") == 10 result.addInt dt.year result.add '-' result.add intToStr(dt.monthZero, 2) @@ -1631,7 +1632,7 @@ const "Sunday"], ) - FormatLiterals = {' ', '-', '/', ':', '(', ')', '[', ']', ','} + FormatLiterals = {' ', '-', '/', ':', '(', ')', '[', ']', ',', '.'} proc `$`*(f: TimeFormat): string = ## Returns the format string that was used to construct `f`. diff --git a/lib/pure/typetraits.nim b/lib/pure/typetraits.nim index 7c58d1ddc..78af84fdd 100644 --- a/lib/pure/typetraits.nim +++ b/lib/pure/typetraits.nim @@ -130,6 +130,40 @@ template pointerBase*[T](_: typedesc[ptr T | ref T]): typedesc = assert (var s = "abc"; s[0].addr).typeof.pointerBase is char T +proc rangeBase*(T: typedesc[range]): typedesc {.magic: "TypeTrait".} = + ## Returns the base type for range types, or the type itself otherwise. + ## + ## **See also:** + ## * `rangeBase template <#rangeBase.t,T>`_ + runnableExamples: + type MyRange = range[0..5] + type MyEnum = enum a, b, c + type MyEnumRange = range[b..c] + doAssert rangeBase(MyRange) is int + doAssert rangeBase(MyEnumRange) is MyEnum + doAssert rangeBase(range['a'..'z']) is char + +template rangeBase*[T: range](a: T): untyped = + ## Overload of `rangeBase <#rangeBase,typedesc,static[bool]>`_ for values. + runnableExamples: + type MyRange = range[0..5] + type MyEnum = enum a, b, c + type MyEnumRange = range[b..c] + let x = MyRange(3) + doAssert rangeBase(x) is int + doAssert $typeof(rangeBase(x)) == "int" + doAssert rangeBase(x) == 3 + let y: set[MyEnumRange] = {c} + for e in y: + doAssert rangeBase(e) is MyEnum + doAssert $typeof(rangeBase(e)) == "MyEnum" + doAssert rangeBase(e) == c + let z: seq[range['a'..'z']] = @['c'] + doAssert rangeBase(z[0]) is char + doAssert $typeof(rangeBase(z[0])) == "char" + doAssert rangeBase(z[0]) == 'c' + rangeBase(typeof(T))(a) + proc distinctBase*(T: typedesc, recursive: static bool = true): typedesc {.magic: "TypeTrait".} = ## Returns the base type for distinct types, or the type itself otherwise. ## If `recursive` is false, only the immediate distinct base will be returned. diff --git a/lib/pure/unicode.nim b/lib/pure/unicode.nim index f329aa1e3..8cbe117bb 100644 --- a/lib/pure/unicode.nim +++ b/lib/pure/unicode.nim @@ -836,9 +836,9 @@ proc toRunes*(s: openArray[char]): seq[Rune] = proc cmpRunesIgnoreCase*(a, b: openArray[char]): int {.rtl, extern: "nuc$1".} = ## Compares two UTF-8 strings and ignores the case. Returns: ## - ## | 0 if a == b - ## | < 0 if a < b - ## | > 0 if a > b + ## | `0` if a == b + ## | `< 0` if a < b + ## | `> 0` if a > b var i = 0 var j = 0 var ar, br: Rune @@ -1375,9 +1375,9 @@ proc toRunes*(s: string): seq[Rune] {.inline.} = proc cmpRunesIgnoreCase*(a, b: string): int {.inline.} = ## Compares two UTF-8 strings and ignores the case. Returns: ## - ## | 0 if a == b - ## | < 0 if a < b - ## | > 0 if a > b + ## | `0` if a == b + ## | `< 0` if a < b + ## | `> 0` if a > b cmpRunesIgnoreCase(a.toOa(), b.toOa()) proc reversed*(s: string): string {.inline.} = diff --git a/lib/pure/volatile.nim b/lib/pure/volatile.nim index f30d899df..a38247c7d 100644 --- a/lib/pure/volatile.nim +++ b/lib/pure/volatile.nim @@ -10,20 +10,18 @@ ## This module contains code for generating volatile loads and stores, ## which are useful in embedded and systems programming. -template volatileLoad*[T](src: ptr T): T = +proc volatileLoad*[T](src: ptr T): T {.inline, noinit.} = ## Generates a volatile load of the value stored in the container `src`. ## Note that this only effects code generation on `C` like backends. when nimvm: - src[] + result = src[] else: when defined(js): - src[] + result = src[] else: - var res: T - {.emit: [res, " = (*(", typeof(src[]), " volatile*)", src, ");"].} - res + {.emit: [result, " = (*(", typeof(src[]), " volatile*)", src, ");"].} -template volatileStore*[T](dest: ptr T, val: T) = +proc volatileStore*[T](dest: ptr T, val: T) {.inline.} = ## Generates a volatile store into the container `dest` of the value ## `val`. Note that this only effects code generation on `C` like ## backends. diff --git a/lib/std/enumutils.nim b/lib/std/enumutils.nim index bcfb2d5d7..9c338817d 100644 --- a/lib/std/enumutils.nim +++ b/lib/std/enumutils.nim @@ -174,6 +174,9 @@ template symbolRank*[T: enum](a: T): int = when T is Ordinal: ord(a) - T.low.ord.static else: symbolRankImpl(a) +proc rangeBase(T: typedesc): typedesc {.magic: "TypeTrait".} + # skip one level of range; return the base type of a range type + func symbolName*[T: enum](a: T): string = ## Returns the symbol name of an enum. ## @@ -192,5 +195,8 @@ func symbolName*[T: enum](a: T): string = c1 = 4 c2 = 20 assert c1.symbolName == "c1" - const names = enumNames(T) + when T is range: + const names = enumNames(rangeBase T) + else: + const names = enumNames(T) names[a.symbolRank] diff --git a/lib/std/formatfloat.nim b/lib/std/formatfloat.nim index 63d344215..9258245f6 100644 --- a/lib/std/formatfloat.nim +++ b/lib/std/formatfloat.nim @@ -109,11 +109,11 @@ when defined(js): return n.toString().match(/^-?\d+$/); } if (Number.isSafeInteger(`a`)) - `result` = `a` === 0 && 1 / `a` < 0 ? "-0.0" : `a`+".0" + `result` = `a` === 0 && 1 / `a` < 0 ? "-0.0" : `a`+".0"; else { - `result` = `a`+"" + `result` = `a`+""; if(nimOnlyDigitsOrMinus(`result`)){ - `result` = `a`+".0" + `result` = `a`+".0"; } } """.} diff --git a/lib/std/paths.nim b/lib/std/paths.nim index b488d2fea..664dedd31 100644 --- a/lib/std/paths.nim +++ b/lib/std/paths.nim @@ -9,7 +9,7 @@ export osseps import std/envvars import std/private/osappdirs -import std/pathnorm +import std/[pathnorm, hashes, sugar, strutils] from std/private/ospaths2 import joinPath, splitPath, ReadDirEffect, WriteDirEffect, @@ -25,6 +25,16 @@ export ReadDirEffect, WriteDirEffect type Path* = distinct string +func hash*(x: Path): Hash = + let x = x.string.dup(normalizePath) + if FileSystemCaseSensitive: + result = x.hash + else: + result = x.toLowerAscii.hash + +template `$`*(x: Path): string = + string(x) + func `==`*(x, y: Path): bool {.inline.} = ## Compares two paths. ## diff --git a/lib/std/private/jsutils.nim b/lib/std/private/jsutils.nim index fd1f395f3..5f79eab27 100644 --- a/lib/std/private/jsutils.nim +++ b/lib/std/private/jsutils.nim @@ -37,13 +37,13 @@ when defined(js): let a = array[2, float64].default assert jsConstructorName(a) == "Float64Array" assert jsConstructorName(a.toJs) == "Float64Array" - asm """`result` = `a`.constructor.name""" + {.emit: """`result` = `a`.constructor.name;""".} proc hasJsBigInt*(): bool = - asm """`result` = typeof BigInt != 'undefined'""" + {.emit: """`result` = typeof BigInt != 'undefined';""".} proc hasBigUint64Array*(): bool = - asm """`result` = typeof BigUint64Array != 'undefined'""" + {.emit: """`result` = typeof BigUint64Array != 'undefined';""".} proc getProtoName*[T](a: T): cstring {.importjs: "Object.prototype.toString.call(#)".} = runnableExamples: diff --git a/lib/std/private/osdirs.nim b/lib/std/private/osdirs.nim index b89a59c8d..a44cad7d9 100644 --- a/lib/std/private/osdirs.nim +++ b/lib/std/private/osdirs.nim @@ -446,13 +446,17 @@ proc createDir*(dir: string) {.rtl, extern: "nos$1", else: discard existsOrCreateDir(p) -proc copyDir*(source, dest: string) {.rtl, extern: "nos$1", +proc copyDir*(source, dest: string, skipSpecial = false) {.rtl, extern: "nos$1", tags: [ReadDirEffect, WriteIOEffect, ReadIOEffect], benign, noWeirdTarget.} = ## Copies a directory from `source` to `dest`. ## ## On non-Windows OSes, symlinks are copied as symlinks. On Windows, symlinks ## are skipped. ## + ## If `skipSpecial` is true, then (besides all directories) only *regular* + ## files (**without** special "file" objects like FIFOs, device files, + ## etc) will be copied on Unix. + ## ## If this fails, `OSError` is raised. ## ## On the Windows platform this proc will copy the attributes from @@ -472,16 +476,17 @@ proc copyDir*(source, dest: string) {.rtl, extern: "nos$1", ## * `createDir proc`_ ## * `moveDir proc`_ createDir(dest) - for kind, path in walkDir(source): + for kind, path in walkDir(source, skipSpecial = skipSpecial): var noSource = splitPath(path).tail if kind == pcDir: - copyDir(path, dest / noSource) + copyDir(path, dest / noSource, skipSpecial = skipSpecial) else: copyFile(path, dest / noSource, {cfSymlinkAsIs}) proc copyDirWithPermissions*(source, dest: string, - ignorePermissionErrors = true) + ignorePermissionErrors = true, + skipSpecial = false) {.rtl, extern: "nos$1", tags: [ReadDirEffect, WriteIOEffect, ReadIOEffect], benign, noWeirdTarget.} = ## Copies a directory from `source` to `dest` preserving file permissions. @@ -489,6 +494,10 @@ proc copyDirWithPermissions*(source, dest: string, ## On non-Windows OSes, symlinks are copied as symlinks. On Windows, symlinks ## are skipped. ## + ## If `skipSpecial` is true, then (besides all directories) only *regular* + ## files (**without** special "file" objects like FIFOs, device files, + ## etc) will be copied on Unix. + ## ## If this fails, `OSError` is raised. This is a wrapper proc around ## `copyDir`_ and `copyFileWithPermissions`_ procs ## on non-Windows platforms. @@ -518,10 +527,10 @@ proc copyDirWithPermissions*(source, dest: string, except: if not ignorePermissionErrors: raise - for kind, path in walkDir(source): + for kind, path in walkDir(source, skipSpecial = skipSpecial): var noSource = splitPath(path).tail if kind == pcDir: - copyDirWithPermissions(path, dest / noSource, ignorePermissionErrors) + copyDirWithPermissions(path, dest / noSource, ignorePermissionErrors, skipSpecial = skipSpecial) else: copyFileWithPermissions(path, dest / noSource, ignorePermissionErrors, {cfSymlinkAsIs}) diff --git a/lib/std/private/osfiles.nim b/lib/std/private/osfiles.nim index a1d7079c5..37d8eabca 100644 --- a/lib/std/private/osfiles.nim +++ b/lib/std/private/osfiles.nim @@ -240,7 +240,7 @@ proc copyFile*(source, dest: string, options = {cfSymlinkFollow}; bufferSize = 1 else: # generic version of copyFile which works for any platform: var d, s: File - if not open(s, source):raiseOSError(osLastError(), source) + if not open(s, source): raiseOSError(osLastError(), source) if not open(d, dest, fmWrite): close(s) raiseOSError(osLastError(), dest) diff --git a/lib/std/private/ospaths2.nim b/lib/std/private/ospaths2.nim index a5c0edd9f..bc69ff725 100644 --- a/lib/std/private/ospaths2.nim +++ b/lib/std/private/ospaths2.nim @@ -763,9 +763,9 @@ proc cmpPaths*(pathA, pathB: string): int {. ## On a case-sensitive filesystem this is done ## case-sensitively otherwise case-insensitively. Returns: ## - ## | 0 if pathA == pathB - ## | < 0 if pathA < pathB - ## | > 0 if pathA > pathB + ## | `0` if pathA == pathB + ## | `< 0` if pathA < pathB + ## | `> 0` if pathA > pathB runnableExamples: when defined(macosx): assert cmpPaths("foo", "Foo") == 0 diff --git a/lib/std/private/ossymlinks.nim b/lib/std/private/ossymlinks.nim index c0774b573..c1760c42e 100644 --- a/lib/std/private/ossymlinks.nim +++ b/lib/std/private/ossymlinks.nim @@ -66,11 +66,13 @@ proc expandSymlink*(symlinkPath: string): string {.noWeirdTarget.} = when defined(windows) or defined(nintendoswitch): result = symlinkPath else: - result = newString(maxSymlinkLen) - var len = readlink(symlinkPath, result.cstring, maxSymlinkLen) - if len < 0: - raiseOSError(osLastError(), symlinkPath) - if len > maxSymlinkLen: - result = newString(len+1) - len = readlink(symlinkPath, result.cstring, len) - setLen(result, len) + var bufLen = 1024 + while true: + result = newString(bufLen) + let len = readlink(symlinkPath.cstring, result.cstring, bufLen) + if len < 0: + raiseOSError(osLastError(), symlinkPath) + if len < bufLen: + result.setLen(len) + break + bufLen = bufLen shl 1 diff --git a/lib/std/syncio.nim b/lib/std/syncio.nim index 2b39375ea..c34a025af 100644 --- a/lib/std/syncio.nim +++ b/lib/std/syncio.nim @@ -874,7 +874,7 @@ proc writeFile*(filename: string, content: openArray[byte]) {.since: (1, 1).} = var f: File = nil if open(f, filename, fmWrite): try: - f.writeBuffer(unsafeAddr content[0], content.len) + discard f.writeBuffer(unsafeAddr content[0], content.len) finally: close(f) else: diff --git a/lib/std/tasks.nim b/lib/std/tasks.nim index 1892acd72..7e59747f5 100644 --- a/lib/std/tasks.nim +++ b/lib/std/tasks.nim @@ -110,6 +110,19 @@ template addAllNode(assignParam: NimNode, procParam: NimNode) = tempAssignList.add newLetStmt(tempNode, newDotExpr(objTemp, formalParams[i][0])) scratchRecList.add newIdentDefs(newIdentNode(formalParams[i][0].strVal), assignParam) +proc analyseRootSym(s: NimNode): NimNode = + result = s + while true: + case result.kind + of nnkBracketExpr, nnkDerefExpr, nnkHiddenDeref, + nnkAddr, nnkHiddenAddr, + nnkObjDownConv, nnkObjUpConv: + result = result[0] + of nnkDotExpr, nnkCheckedFieldExpr, nnkHiddenStdConv, nnkHiddenSubConv: + result = result[1] + else: + break + macro toTask*(e: typed{nkCall | nkInfix | nkPrefix | nkPostfix | nkCommand | nkCallStrLit}): Task = ## Converts the call and its arguments to `Task`. runnableExamples: @@ -121,11 +134,14 @@ macro toTask*(e: typed{nkCall | nkInfix | nkPrefix | nkPostfix | nkCommand | nkC let retType = getTypeInst(e) let returnsVoid = retType.typeKind == ntyVoid + let rootSym = analyseRootSym(e[0]) + expectKind rootSym, nnkSym + when compileOption("threads"): - if not isGcSafe(e[0]): + if not isGcSafe(rootSym): error("'toTask' takes a GC safe call expression", e) - if hasClosure(e[0]): + if hasClosure(rootSym): error("closure call is not allowed", e) if e.len > 1: @@ -209,7 +225,7 @@ macro toTask*(e: typed{nkCall | nkInfix | nkPrefix | nkPostfix | nkCommand | nkC let funcCall = newCall(e[0], callNode) functionStmtList.add tempAssignList - let funcName = genSym(nskProc, e[0].strVal) + let funcName = genSym(nskProc, rootSym.strVal) let destroyName = genSym(nskProc, "destroyScratch") let objTemp2 = genSym(ident = "obj") let tempNode = quote("@") do: @@ -241,7 +257,7 @@ macro toTask*(e: typed{nkCall | nkInfix | nkPrefix | nkPostfix | nkCommand | nkC Task(callback: `funcName`, args: `scratchIdent`, destroy: `destroyName`) else: let funcCall = newCall(e[0]) - let funcName = genSym(nskProc, e[0].strVal) + let funcName = genSym(nskProc, rootSym.strVal) if returnsVoid: result = quote do: diff --git a/lib/std/time_t.nim b/lib/std/time_t.nim index 5fa95fff3..de051b135 100644 --- a/lib/std/time_t.nim +++ b/lib/std/time_t.nim @@ -14,7 +14,7 @@ when defined(nimdoc): ## Wrapper for `time_t`. On posix, this is an alias to `posix.Time`. elif defined(windows): when defined(i386) and defined(gcc): - type Time* {.importc: "time_t", header: "<time.h>".} = distinct int32 + type Time* {.importc: "time_t", header: "<time.h>".} = distinct clong else: # newest version of Visual C++ defines time_t to be of 64 bits type Time* {.importc: "time_t", header: "<time.h>".} = distinct int64 diff --git a/lib/std/varints.nim b/lib/std/varints.nim index 0d18b9069..32fe2fffb 100644 --- a/lib/std/varints.nim +++ b/lib/std/varints.nim @@ -82,29 +82,29 @@ proc writeVu64*(z: var openArray[byte], x: uint64): int = z[3] = cast[uint8](y) return 4 z[0] = 251 - varintWrite32(toOpenArray(z, 1, z.high-1), y) + varintWrite32(toOpenArray(z, 1, 4), y) return 5 if w <= 255: z[0] = 252 z[1] = cast[uint8](w) - varintWrite32(toOpenArray(z, 2, z.high-2), y) + varintWrite32(toOpenArray(z, 2, 5), y) return 6 if w <= 65535: z[0] = 253 z[1] = cast[uint8](w shr 8) z[2] = cast[uint8](w) - varintWrite32(toOpenArray(z, 3, z.high-3), y) + varintWrite32(toOpenArray(z, 3, 6), y) return 7 if w <= 16777215: z[0] = 254 z[1] = cast[uint8](w shr 16) z[2] = cast[uint8](w shr 8) z[3] = cast[uint8](w) - varintWrite32(toOpenArray(z, 4, z.high-4), y) + varintWrite32(toOpenArray(z, 4, 7), y) return 8 z[0] = 255 - varintWrite32(toOpenArray(z, 1, z.high-1), w) - varintWrite32(toOpenArray(z, 5, z.high-5), y) + varintWrite32(toOpenArray(z, 1, 4), w) + varintWrite32(toOpenArray(z, 5, 8), y) return 9 proc sar(a, b: int64): int64 = diff --git a/lib/system.nim b/lib/system.nim index e34538a89..2f9cdc5f9 100644 --- a/lib/system.nim +++ b/lib/system.nim @@ -158,9 +158,11 @@ when defined(nimHasEnsureMove): ## Ensures that `x` is moved to the new location, otherwise it gives ## an error at the compile time. runnableExamples: - var x = "Hello" - let y = ensureMove(x) - doAssert y == "Hello" + proc foo = + var x = "Hello" + let y = ensureMove(x) + doAssert y == "Hello" + foo() discard "implemented in injectdestructors" type @@ -1035,7 +1037,7 @@ const ## Possible values: ## `"i386"`, `"alpha"`, `"powerpc"`, `"powerpc64"`, `"powerpc64el"`, ## `"sparc"`, `"amd64"`, `"mips"`, `"mipsel"`, `"arm"`, `"arm64"`, - ## `"mips64"`, `"mips64el"`, `"riscv32"`, `"riscv64"`, '"loongarch64"'. + ## `"mips64"`, `"mips64el"`, `"riscv32"`, `"riscv64"`, `"loongarch64"`. seqShallowFlag = low(int) strlitFlag = 1 shl (sizeof(int)*8 - 2) # later versions of the codegen \ @@ -2083,7 +2085,8 @@ when notJSnotNims: proc cmpMem(a, b: pointer, size: Natural): int = nimCmpMem(a, b, size).int -when not defined(js): +when not defined(js) or defined(nimscript): + # nimscript can be defined if config file for js compilation proc cmp(x, y: string): int = when nimvm: if x < y: result = -1 @@ -2100,12 +2103,14 @@ when not defined(js): proc cstringArrayToSeq*(a: cstringArray, len: Natural): seq[string] = ## Converts a `cstringArray` to a `seq[string]`. `a` is supposed to be ## of length `len`. + if a == nil: return @[] newSeq(result, len) for i in 0..len-1: result[i] = $a[i] proc cstringArrayToSeq*(a: cstringArray): seq[string] = ## Converts a `cstringArray` to a `seq[string]`. `a` is supposed to be ## terminated by `nil`. + if a == nil: return @[] var L = 0 while a[L] != nil: inc(L) result = cstringArrayToSeq(a, L) @@ -2346,8 +2351,14 @@ when notJSnotNims: `result` = `x`.ClE_0; """.} - proc finished*[T: iterator {.closure.}](x: T): bool {.noSideEffect, inline, magic: "Finished".} = - ## It can be used to determine if a first class iterator has finished. +proc finished*[T: iterator {.closure.}](x: T): bool {.noSideEffect, inline, magic: "Finished".} = + ## It can be used to determine if a first class iterator has finished. + when defined(js): + # TODO: mangle `:state` + {.emit: """ + `result` = (`x`.ClE_0).HEX3Astate < 0; + """.} + else: {.emit: """ `result` = ((NI*) `x`.ClE_0)[1] < 0; """.} @@ -2355,7 +2366,8 @@ when notJSnotNims: from std/private/digitsutils import addInt export addInt -when defined(js): +when defined(js) and not defined(nimscript): + # nimscript can be defined if config file for js compilation include "system/jssys" include "system/reprjs" @@ -2786,6 +2798,18 @@ when not defined(js): proc toOpenArray*[T](x: seq[T]; first, last: int): openArray[T] {. magic: "Slice".} + ## Allows passing the slice of `x` from the element at `first` to the element + ## at `last` to `openArray[T]` parameters without copying it. + ## + ## Example: + ## ```nim + ## proc test(x: openArray[int]) = + ## doAssert x == [1, 2, 3] + ## + ## let s = @[0, 1, 2, 3, 4] + ## s.toOpenArray(1, 3).test + ## ``` + proc toOpenArray*[T](x: openArray[T]; first, last: int): openArray[T] {. magic: "Slice".} proc toOpenArray*[I, T](x: array[I, T]; first, last: I): openArray[T] {. diff --git a/lib/system/alloc.nim b/lib/system/alloc.nim index 9c7c83aab..3de6d8713 100644 --- a/lib/system/alloc.nim +++ b/lib/system/alloc.nim @@ -20,6 +20,37 @@ template track(op, address, size) = # We manage *chunks* of memory. Each chunk is a multiple of the page size. # Each chunk starts at an address that is divisible by the page size. +# Small chunks may be divided into smaller cells of reusable pointers to reduce the number of page allocations. + +# An allocation of a small pointer looks approximately like this +#[ + + alloc -> rawAlloc -> No free chunk available > Request a new page from tslf -> result = chunk.data -------------+ + | | + v | + Free chunk available | + | | + v v + Fetch shared cells -> No free cells available -> Advance acc -> result = chunk.data + chunk.acc -------> return + (may not add new cells) ^ + | | + v | + Free cells available -> result = chunk.freeList -> Advance chunk.freeList -----------------------------------+ +]# +# so it is split into 3 paths, where the last path is preferred to prevent unnecessary allocations. +# +# +# A deallocation of a small pointer then looks like this +#[ + dealloc -> rawDealloc -> chunk.owner == addr(a) --------------> This thread owns the chunk ------> The current chunk is active -> Chunk is completely unused -----> Chunk references no foreign cells + | | (Add cell into the current chunk) | Return the current chunk back to tlsf + | | | | + v v v v + A different thread owns this chunk. The current chunk is not active. chunk.free was < size Chunk references foreign cells, noop + Add the cell to a.sharedFreeLists Add the cell into the active chunk Activate the chunk (end) + (end) (end) (end) +]# +# So "true" deallocation is delayed for as long as possible in favor of reusing cells. const nimMinHeapPages {.intdefine.} = 128 # 0.5 MB @@ -71,6 +102,8 @@ const type FreeCell {.final, pure.} = object + # A free cell is a pointer that has been freed, meaning it became available for reuse. + # It may become foreign if it is lent to a chunk that did not create it, doing so reduces the amount of needed pages. next: ptr FreeCell # next free cell in chunk (overlaid with refcount) when not defined(gcDestructors): zeroField: int # 0 means cell is not used (overlaid with typ field) @@ -90,11 +123,18 @@ type SmallChunk = object of BaseChunk next, prev: PSmallChunk # chunks of the same size - freeList: ptr FreeCell - free: int # how many bytes remain - acc: int # accumulator for small object allocation - when defined(gcDestructors): - sharedFreeList: ptr FreeCell # make no attempt at avoiding false sharing for now for this object field + freeList: ptr FreeCell # Singly linked list of cells. They may be from foreign chunks or from the current chunk. + # Should be `nil` when the chunk isn't active in `a.freeSmallChunks`. + free: int32 # Bytes this chunk is able to provide using both the accumulator and free cells. + # When a cell is considered foreign, its source chunk's free field is NOT adjusted until it + # reaches dealloc while the source chunk is active. + # Instead, the receiving chunk gains the capacity and thus reserves space in the foreign chunk. + acc: uint32 # Offset from data, used when there are no free cells available but the chunk is considered free. + foreignCells: int # When a free cell is given to a chunk that is not its origin, + # both the cell and the source chunk are considered foreign. + # Receiving a foreign cell can happen both when deallocating from another thread or when + # the active chunk in `a.freeSmallChunks` is not the current chunk. + # Freeing a chunk while `foreignCells > 0` leaks memory as all references to it become lost. data {.align: MemAlign.}: UncheckedArray[byte] # start of usable memory BigChunk = object of BaseChunk # not necessarily > PageSize! @@ -109,7 +149,12 @@ type MemRegion = object when not defined(gcDestructors): minLargeObj, maxLargeObj: int - freeSmallChunks: array[0..max(1,SmallChunkSize div MemAlign-1), PSmallChunk] + freeSmallChunks: array[0..max(1, SmallChunkSize div MemAlign-1), PSmallChunk] + # List of available chunks per size class. Only one is expected to be active per class. + when defined(gcDestructors): + sharedFreeLists: array[0..max(1, SmallChunkSize div MemAlign-1), ptr FreeCell] + # When a thread frees a pointer it did not create, it must not adjust the counters. + # Instead, the cell is placed here and deferred until the next allocation. flBitmap: uint32 slBitmap: array[RealFli, uint32] matrix: array[RealFli, array[MaxSli, PBigChunk]] @@ -433,7 +478,7 @@ iterator allObjects(m: var MemRegion): pointer {.inline.} = let size = c.size var a = cast[int](addr(c.data)) - let limit = a + c.acc + let limit = a + c.acc.int while a <% limit: yield cast[pointer](a) a = a +% size @@ -777,41 +822,42 @@ when defined(gcDestructors): sysAssert c.next == nil, "c.next pointer must be nil" atomicPrepend a.sharedFreeListBigChunks, c - proc addToSharedFreeList(c: PSmallChunk; f: ptr FreeCell) {.inline.} = - atomicPrepend c.sharedFreeList, f + proc addToSharedFreeList(c: PSmallChunk; f: ptr FreeCell; size: int) {.inline.} = + atomicPrepend c.owner.sharedFreeLists[size], f + + const MaxSteps = 20 proc compensateCounters(a: var MemRegion; c: PSmallChunk; size: int) = # rawDealloc did NOT do the usual: # `inc(c.free, size); dec(a.occ, size)` because it wasn't the owner of these # memory locations. We have to compensate here for these for the entire list. - # Well, not for the entire list, but for `max` elements of the list because - # we split the list in order to achieve bounded response times. var it = c.freeList - var x = 0 - var maxIters = 20 # make it time-bounded + var total = 0 while it != nil: - if maxIters == 0: - let rest = it.next.loada - if rest != nil: - it.next.storea nil - addToSharedFreeList(c, rest) - break - inc x, size - it = it.next.loada - dec maxIters - inc(c.free, x) - dec(a.occ, x) + inc total, size + let chunk = cast[PSmallChunk](pageAddr(it)) + if c != chunk: + # The cell is foreign, potentially even from a foreign thread. + # It must block the current chunk from being freed, as doing so would leak memory. + inc c.foreignCells + it = it.next + # By not adjusting the foreign chunk we reserve space in it to prevent deallocation + inc(c.free, total) + dec(a.occ, total) proc freeDeferredObjects(a: var MemRegion; root: PBigChunk) = var it = root - var maxIters = 20 # make it time-bounded + var maxIters = MaxSteps # make it time-bounded while true: + let rest = it.next.loada + it.next.storea nil + deallocBigChunk(a, cast[PBigChunk](it)) if maxIters == 0: - let rest = it.next.loada - it.next.storea nil - addToSharedFreeListBigChunks(a, rest) + if rest != nil: + addToSharedFreeListBigChunks(a, rest) + sysAssert a.sharedFreeListBigChunks != nil, "re-enqueing failed" break - it = it.next.loada + it = rest dec maxIters if it == nil: break @@ -826,56 +872,85 @@ proc rawAlloc(a: var MemRegion, requestedSize: int): pointer = #c_fprintf(stdout, "alloc; size: %ld; %ld\n", requestedSize, size) if size <= SmallChunkSize-smallChunkOverhead(): + template fetchSharedCells(tc: PSmallChunk) = + # Consumes cells from (potentially) foreign threads from `a.sharedFreeLists[s]` + when defined(gcDestructors): + if tc.freeList == nil: + when hasThreadSupport: + # Steal the entire list from `sharedFreeList`: + tc.freeList = atomicExchangeN(addr a.sharedFreeLists[s], nil, ATOMIC_RELAXED) + else: + tc.freeList = a.sharedFreeLists[s] + a.sharedFreeLists[s] = nil + # if `tc.freeList` isn't nil, `tc` will gain capacity. + # We must calculate how much it gained and how many foreign cells are included. + compensateCounters(a, tc, size) + # allocate a small block: for small chunks, we use only its next pointer let s = size div MemAlign var c = a.freeSmallChunks[s] if c == nil: + # There is no free chunk of the requested size available, we need a new one. c = getSmallChunk(a) + # init all fields in case memory didn't get zeroed c.freeList = nil + c.foreignCells = 0 sysAssert c.size == PageSize, "rawAlloc 3" c.size = size - c.acc = size - when defined(gcDestructors): - c.sharedFreeList = nil - c.free = SmallChunkSize - smallChunkOverhead() - size + c.acc = size.uint32 + c.free = SmallChunkSize - smallChunkOverhead() - size.int32 sysAssert c.owner == addr(a), "rawAlloc: No owner set!" c.next = nil c.prev = nil - listAdd(a.freeSmallChunks[s], c) + # Shared cells are fetched here in case `c.size * 2 >= SmallChunkSize - smallChunkOverhead()`. + # For those single cell chunks, we would otherwise have to allocate a new one almost every time. + fetchSharedCells(c) + if c.free >= size: + # Because removals from `a.freeSmallChunks[s]` only happen in the other alloc branch and during dealloc, + # we must not add it to the list if it cannot be used the next time a pointer of `size` bytes is needed. + listAdd(a.freeSmallChunks[s], c) result = addr(c.data) sysAssert((cast[int](result) and (MemAlign-1)) == 0, "rawAlloc 4") else: + # There is a free chunk of the requested size available, use it. sysAssert(allocInv(a), "rawAlloc: begin c != nil") sysAssert c.next != c, "rawAlloc 5" #if c.size != size: # c_fprintf(stdout, "csize: %lld; size %lld\n", c.size, size) sysAssert c.size == size, "rawAlloc 6" - when defined(gcDestructors): - if c.freeList == nil: - when hasThreadSupport: - c.freeList = atomicExchangeN(addr c.sharedFreeList, nil, ATOMIC_RELAXED) - else: - c.freeList = c.sharedFreeList - c.sharedFreeList = nil - compensateCounters(a, c, size) if c.freeList == nil: - sysAssert(c.acc + smallChunkOverhead() + size <= SmallChunkSize, + sysAssert(c.acc.int + smallChunkOverhead() + size <= SmallChunkSize, "rawAlloc 7") - result = cast[pointer](cast[int](addr(c.data)) +% c.acc) + result = cast[pointer](cast[int](addr(c.data)) +% c.acc.int) inc(c.acc, size) else: + # There are free cells available, prefer them over the accumulator result = c.freeList when not defined(gcDestructors): sysAssert(c.freeList.zeroField == 0, "rawAlloc 8") c.freeList = c.freeList.next + if cast[PSmallChunk](pageAddr(result)) != c: + # This cell isn't a blocker for the current chunk's deallocation anymore + dec(c.foreignCells) + else: + sysAssert(c == cast[PSmallChunk](pageAddr(result)), "rawAlloc: Bad cell") + # Even if the cell we return is foreign, the local chunk's capacity decreases. + # The capacity was previously reserved in the source chunk (when it first got allocated), + # then added into the current chunk during dealloc, + # so the source chunk will not be freed or leak memory because of this. dec(c.free, size) sysAssert((cast[int](result) and (MemAlign-1)) == 0, "rawAlloc 9") sysAssert(allocInv(a), "rawAlloc: end c != nil") - sysAssert(allocInv(a), "rawAlloc: before c.free < size") - if c.free < size: - sysAssert(allocInv(a), "rawAlloc: before listRemove test") - listRemove(a.freeSmallChunks[s], c) - sysAssert(allocInv(a), "rawAlloc: end listRemove test") + # We fetch deferred cells *after* advancing `c.freeList`/`acc` to adjust `c.free`. + # If after the adjustment it turns out there's free cells available, + # the chunk stays in `a.freeSmallChunks[s]` and the need for a new chunk is delayed. + fetchSharedCells(c) + sysAssert(allocInv(a), "rawAlloc: before c.free < size") + if c.free < size: + # Even after fetching shared cells the chunk has no usable memory left. It is no longer the active chunk + sysAssert(allocInv(a), "rawAlloc: before listRemove test") + listRemove(a.freeSmallChunks[s], c) + sysAssert(allocInv(a), "rawAlloc: end listRemove test") sysAssert(((cast[int](result) and PageMask) - smallChunkOverhead()) %% size == 0, "rawAlloc 21") sysAssert(allocInv(a), "rawAlloc: end small size") @@ -907,7 +982,7 @@ proc rawAlloc(a: var MemRegion, requestedSize: int): pointer = trackSize(c.size) sysAssert(isAccessible(a, result), "rawAlloc 14") sysAssert(allocInv(a), "rawAlloc: end") - when logAlloc: cprintf("var pointer_%p = alloc(%ld)\n", result, requestedSize) + when logAlloc: cprintf("var pointer_%p = alloc(%ld) # %p\n", result, requestedSize, addr a) proc rawAlloc0(a: var MemRegion, requestedSize: int): pointer = result = rawAlloc(a, requestedSize) @@ -923,7 +998,7 @@ proc rawDealloc(a: var MemRegion, p: pointer) = if isSmallChunk(c): # `p` is within a small chunk: var c = cast[PSmallChunk](c) - var s = c.size + let s = c.size # ^ We might access thread foreign storage here. # The other thread cannot possibly free this block as it's still alive. var f = cast[ptr FreeCell](p) @@ -938,31 +1013,48 @@ proc rawDealloc(a: var MemRegion, p: pointer) = #echo("setting to nil: ", $cast[int](addr(f.zeroField))) sysAssert(f.zeroField != 0, "rawDealloc 1") f.zeroField = 0 - f.next = c.freeList - c.freeList = f when overwriteFree: # set to 0xff to check for usage after free bugs: nimSetMem(cast[pointer](cast[int](p) +% sizeof(FreeCell)), -1'i32, s -% sizeof(FreeCell)) - # check if it is not in the freeSmallChunks[s] list: - if c.free < s: - # add it to the freeSmallChunks[s] array: - listAdd(a.freeSmallChunks[s div MemAlign], c) - inc(c.free, s) + let activeChunk = a.freeSmallChunks[s div MemAlign] + if activeChunk != nil and c != activeChunk: + # This pointer is not part of the active chunk, lend it out + # and do not adjust the current chunk (same logic as compensateCounters.) + # Put the cell into the active chunk, + # may prevent a queue of available chunks from forming in a.freeSmallChunks[s div MemAlign]. + # This queue would otherwise waste memory in the form of free cells until we return to those chunks. + f.next = activeChunk.freeList + activeChunk.freeList = f # lend the cell + inc(activeChunk.free, s) # By not adjusting the current chunk's capacity it is prevented from being freed + inc(activeChunk.foreignCells) # The cell is now considered foreign from the perspective of the active chunk else: - inc(c.free, s) - if c.free == SmallChunkSize-smallChunkOverhead(): - listRemove(a.freeSmallChunks[s div MemAlign], c) - c.size = SmallChunkSize - freeBigChunk(a, cast[PBigChunk](c)) + f.next = c.freeList + c.freeList = f + if c.free < s: + # The chunk could not have been active as it didn't have enough space to give + listAdd(a.freeSmallChunks[s div MemAlign], c) + inc(c.free, s) + else: + inc(c.free, s) + # Free only if the entire chunk is unused and there are no borrowed cells. + # If the chunk were to be freed while it references foreign cells, + # the foreign chunks will leak memory and can never be freed. + if c.free == SmallChunkSize-smallChunkOverhead() and c.foreignCells == 0: + listRemove(a.freeSmallChunks[s div MemAlign], c) + c.size = SmallChunkSize + freeBigChunk(a, cast[PBigChunk](c)) else: + when logAlloc: cprintf("dealloc(pointer_%p) # SMALL FROM %p CALLER %p\n", p, c.owner, addr(a)) + when defined(gcDestructors): - addToSharedFreeList(c, f) + addToSharedFreeList(c, f, s div MemAlign) sysAssert(((cast[int](p) and PageMask) - smallChunkOverhead()) %% s == 0, "rawDealloc 2") else: # set to 0xff to check for usage after free bugs: when overwriteFree: nimSetMem(p, -1'i32, c.size -% bigChunkOverhead()) + when logAlloc: cprintf("dealloc(pointer_%p) # BIG %p\n", p, c.owner) when defined(gcDestructors): if c.owner == addr(a): deallocBigChunk(a, cast[PBigChunk](c)) @@ -970,8 +1062,9 @@ proc rawDealloc(a: var MemRegion, p: pointer) = addToSharedFreeListBigChunks(c.owner[], cast[PBigChunk](c)) else: deallocBigChunk(a, cast[PBigChunk](c)) + sysAssert(allocInv(a), "rawDealloc: end") - when logAlloc: cprintf("dealloc(pointer_%p)\n", p) + #when logAlloc: cprintf("dealloc(pointer_%p)\n", p) when not defined(gcDestructors): proc isAllocatedPtr(a: MemRegion, p: pointer): bool = @@ -982,7 +1075,7 @@ when not defined(gcDestructors): var c = cast[PSmallChunk](c) var offset = (cast[int](p) and (PageSize-1)) -% smallChunkOverhead() - result = (c.acc >% offset) and (offset %% c.size == 0) and + result = (c.acc.int >% offset) and (offset %% c.size == 0) and (cast[ptr FreeCell](p).zeroField >% 1) else: var c = cast[PBigChunk](c) @@ -1000,7 +1093,7 @@ when not defined(gcDestructors): var c = cast[PSmallChunk](c) var offset = (cast[int](p) and (PageSize-1)) -% smallChunkOverhead() - if c.acc >% offset: + if c.acc.int >% offset: sysAssert(cast[int](addr(c.data)) +% offset == cast[int](p), "offset is not what you think it is") var d = cast[ptr FreeCell](cast[int](addr(c.data)) +% diff --git a/lib/system/arithmetics.nim b/lib/system/arithmetics.nim index fa7ca784d..e229a0f4b 100644 --- a/lib/system/arithmetics.nim +++ b/lib/system/arithmetics.nim @@ -1,4 +1,4 @@ -proc succ*[T: Ordinal](x: T, y: int = 1): T {.magic: "Succ", noSideEffect.} = +proc succ*[T, V: Ordinal](x: T, y: V = 1): T {.magic: "Succ", noSideEffect.} = ## Returns the `y`-th successor (default: 1) of the value `x`. ## ## If such a value does not exist, `OverflowDefect` is raised @@ -7,7 +7,7 @@ proc succ*[T: Ordinal](x: T, y: int = 1): T {.magic: "Succ", noSideEffect.} = assert succ(5) == 6 assert succ(5, 3) == 8 -proc pred*[T: Ordinal](x: T, y: int = 1): T {.magic: "Pred", noSideEffect.} = +proc pred*[T, V: Ordinal](x: T, y: V = 1): T {.magic: "Pred", noSideEffect.} = ## Returns the `y`-th predecessor (default: 1) of the value `x`. ## ## If such a value does not exist, `OverflowDefect` is raised @@ -16,7 +16,7 @@ proc pred*[T: Ordinal](x: T, y: int = 1): T {.magic: "Pred", noSideEffect.} = assert pred(5) == 4 assert pred(5, 3) == 2 -proc inc*[T: Ordinal](x: var T, y: int = 1) {.magic: "Inc", noSideEffect.} = +proc inc*[T, V: Ordinal](x: var T, y: V = 1) {.magic: "Inc", noSideEffect.} = ## Increments the ordinal `x` by `y`. ## ## If such a value does not exist, `OverflowDefect` is raised or a compile @@ -28,7 +28,7 @@ proc inc*[T: Ordinal](x: var T, y: int = 1) {.magic: "Inc", noSideEffect.} = inc(i, 3) assert i == 6 -proc dec*[T: Ordinal](x: var T, y: int = 1) {.magic: "Dec", noSideEffect.} = +proc dec*[T, V: Ordinal](x: var T, y: V = 1) {.magic: "Dec", noSideEffect.} = ## Decrements the ordinal `x` by `y`. ## ## If such a value does not exist, `OverflowDefect` is raised or a compile diff --git a/lib/system/comparisons.nim b/lib/system/comparisons.nim index ce5e486f7..a8d78bb93 100644 --- a/lib/system/comparisons.nim +++ b/lib/system/comparisons.nim @@ -324,7 +324,7 @@ proc `==`*[T](x, y: seq[T]): bool {.noSideEffect.} = return true else: var sameObject = false - {.emit: """`sameObject` = `x` === `y`""".} + {.emit: """`sameObject` = `x` === `y`;""".} if sameObject: return true if x.len != y.len: diff --git a/lib/system/compilation.nim b/lib/system/compilation.nim index cda16fae5..cdb976ed5 100644 --- a/lib/system/compilation.nim +++ b/lib/system/compilation.nim @@ -6,7 +6,7 @@ const ## ``` # see also std/private/since - NimMinor* {.intdefine.}: int = 1 + NimMinor* {.intdefine.}: int = 2 ## is the minor number of Nim's version. ## Odd for devel, even for releases. diff --git a/lib/system/hti.nim b/lib/system/hti.nim index 9acaae88b..a26aff982 100644 --- a/lib/system/hti.nim +++ b/lib/system/hti.nim @@ -59,7 +59,7 @@ type tyOwned, tyUnused1, tyUnused2, tyVarargsHidden, tyUncheckedArray, - tyProxyHidden, + tyErrorHidden, tyBuiltInTypeClassHidden, tyUserTypeClassHidden, tyUserTypeClassInstHidden, diff --git a/lib/system/indices.nim b/lib/system/indices.nim index e1ac68383..f2bad2528 100644 --- a/lib/system/indices.nim +++ b/lib/system/indices.nim @@ -80,8 +80,6 @@ proc `[]`*[T, U: Ordinal](s: string, x: HSlice[T, U]): string {.inline, systemRa ## var s = "abcdef" ## assert s[1..3] == "bcd" ## ``` - # Workaround bug #22852 - result = "" let a = s ^^ x.a let L = (s ^^ x.b) - a + 1 result = newString(L) @@ -112,13 +110,13 @@ proc `[]`*[Idx, T; U, V: Ordinal](a: array[Idx, T], x: HSlice[U, V]): seq[T] {.s ## var a = [1, 2, 3, 4] ## assert a[0..2] == @[1, 2, 3] ## ``` + ## + ## See also: + ## * `toOpenArray(array[I, T];I,I) <#toOpenArray,array[I,T],I,I>`_ let xa = a ^^ x.a let L = (a ^^ x.b) - xa + 1 - # Workaround bug #22852: - result = newSeq[T](if L < 0: 0 else: L) + result = newSeq[T](L) for i in 0..<L: result[i] = a[Idx(i + xa)] - # Workaround bug #22852 - discard Natural(L) proc `[]=`*[Idx, T; U, V: Ordinal](a: var array[Idx, T], x: HSlice[U, V], b: openArray[T]) {.systemRaisesDefect.} = ## Slice assignment for arrays. @@ -141,6 +139,9 @@ proc `[]`*[T; U, V: Ordinal](s: openArray[T], x: HSlice[U, V]): seq[T] {.systemR ## var s = @[1, 2, 3, 4] ## assert s[0..2] == @[1, 2, 3] ## ``` + ## + ## See also: + ## * `toOpenArray(openArray[T];int,int) <#toOpenArray,openArray[T],int,int>`_ let a = s ^^ x.a let L = (s ^^ x.b) - a + 1 newSeq(result, L) diff --git a/lib/system/jssys.nim b/lib/system/jssys.nim index 9f9a410d5..5599240fd 100644 --- a/lib/system/jssys.nim +++ b/lib/system/jssys.nim @@ -622,37 +622,6 @@ proc nimCopy(dest, src: JSRef, ti: PNimType): JSRef = else: result = src -proc genericReset(x: JSRef, ti: PNimType): JSRef {.compilerproc.} = - {.emit: "`result` = null;".} - case ti.kind - of tyPtr, tyRef, tyVar, tyNil: - if isFatPointer(ti): - {.emit: """ - `result` = [null, 0]; - """.} - of tySet: - {.emit: """ - `result` = {}; - """.} - of tyTuple, tyObject: - if ti.kind == tyObject: - {.emit: "`result` = {m_type: `ti`};".} - else: - {.emit: "`result` = {};".} - of tySequence, tyOpenArray, tyString: - {.emit: """ - `result` = []; - """.} - of tyArrayConstr, tyArray: - {.emit: """ - `result` = new Array(`x`.length); - for (var i = 0; i < `x`.length; ++i) { - `result`[i] = genericReset(`x`[i], `ti`.base); - } - """.} - else: - discard - proc arrayConstr(len: int, value: JSRef, typ: PNimType): JSRef {. asmNoStackFrame, compilerproc.} = # types are fake diff --git a/lib/system/nimscript.nim b/lib/system/nimscript.nim index bdf6145a1..cf81f6d86 100644 --- a/lib/system/nimscript.nim +++ b/lib/system/nimscript.nim @@ -253,11 +253,12 @@ proc cpDir*(`from`, to: string) {.raises: [OSError].} = proc exec*(command: string) {. raises: [OSError], tags: [ExecIOEffect, WriteIOEffect].} = ## Executes an external process. If the external process terminates with - ## a non-zero exit code, an OSError exception is raised. + ## a non-zero exit code, an OSError exception is raised. The command is + ## executed relative to the current source path. ## - ## **Note:** If you need a version of `exec` that returns the exit code - ## and text output of the command, you can use `system.gorgeEx - ## <system.html#gorgeEx,string,string,string>`_. + ## .. note:: If you need a version of `exec` that returns the exit code + ## and text output of the command, you can use `system.gorgeEx + ## <system.html#gorgeEx,string,string,string>`_. log "exec: " & command: if rawExec(command) != 0: raise newException(OSError, "FAILED: " & command) @@ -267,11 +268,17 @@ proc exec*(command: string, input: string, cache = "") {. raises: [OSError], tags: [ExecIOEffect, WriteIOEffect].} = ## Executes an external process. If the external process terminates with ## a non-zero exit code, an OSError exception is raised. + ## + ## .. warning:: This version of `exec` is executed relative to the nimscript + ## module path, which affects how the command resolves relative paths. Thus + ## it is generally better to use `gorgeEx` directly when you need more + ## control over the execution environment or when working with commands + ## that deal with relative paths. log "exec: " & command: let (output, exitCode) = gorgeEx(command, input, cache) + echo output if exitCode != 0: raise newException(OSError, "FAILED: " & command) - echo output proc selfExec*(command: string) {. raises: [OSError], tags: [ExecIOEffect, WriteIOEffect].} = diff --git a/lib/system/orc.nim b/lib/system/orc.nim index 463c40c4d..c02a24989 100644 --- a/lib/system/orc.nim +++ b/lib/system/orc.nim @@ -146,7 +146,7 @@ proc unregisterCycle(s: Cell) = let idx = s.rootIdx-1 when false: if idx >= roots.len or idx < 0: - cprintf("[Bug!] %ld\n", idx) + cprintf("[Bug!] %ld %ld\n", idx, roots.len) rawQuit 1 roots.d[idx] = roots.d[roots.len-1] roots.d[idx][0].rootIdx = idx+1 @@ -303,6 +303,14 @@ proc collectColor(s: Cell; desc: PNimTypeV2; col: int; j: var GcEnv) = t.setColor(colBlack) trace(t, desc, j) +const + defaultThreshold = when defined(nimFixedOrc): 10_000 else: 128 + +when defined(nimStressOrc): + const rootsThreshold = 10 # broken with -d:nimStressOrc: 10 and for havlak iterations 1..8 +else: + var rootsThreshold {.threadvar.}: int + proc collectCyclesBacon(j: var GcEnv; lowMark: int) = # pretty direct translation from # https://researcher.watson.ibm.com/researcher/files/us-bacon/Bacon01Concurrent.pdf @@ -341,22 +349,25 @@ proc collectCyclesBacon(j: var GcEnv; lowMark: int) = s.rootIdx = 0 collectColor(s, roots.d[i][1], colToCollect, j) + # Bug #22927: `free` calls destructors which can append to `roots`. + # We protect against this here by setting `roots.len` to 0 and also + # setting the threshold so high that no cycle collection can be triggered + # until we are out of this critical section: + when not defined(nimStressOrc): + let oldThreshold = rootsThreshold + rootsThreshold = high(int) + roots.len = 0 + for i in 0 ..< j.toFree.len: when orcLeakDetector: writeCell("CYCLIC OBJECT FREED", j.toFree.d[i][0], j.toFree.d[i][1]) free(j.toFree.d[i][0], j.toFree.d[i][1]) + when not defined(nimStressOrc): + rootsThreshold = oldThreshold + inc j.freed, j.toFree.len deinit j.toFree - #roots.len = 0 - -const - defaultThreshold = when defined(nimFixedOrc): 10_000 else: 128 - -when defined(nimStressOrc): - const rootsThreshold = 10 # broken with -d:nimStressOrc: 10 and for havlak iterations 1..8 -else: - var rootsThreshold {.threadvar.}: int when defined(nimOrcStats): var freedCyclicObjects {.threadvar.}: int @@ -396,7 +407,8 @@ proc collectCycles() = collectCyclesBacon(j, 0) deinit j.traceStack - deinit roots + if roots.len == 0: + deinit roots when not defined(nimStressOrc): # compute the threshold based on the previous history diff --git a/lib/system/reprjs.nim b/lib/system/reprjs.nim index 30e84ebee..761d66aec 100644 --- a/lib/system/reprjs.nim +++ b/lib/system/reprjs.nim @@ -29,7 +29,7 @@ proc reprBool(x: bool): string {.compilerRtl.} = proc reprEnum(e: int, typ: PNimType): string {.compilerRtl.} = var tmp: bool let item = typ.node.sons[e] - {.emit: "`tmp` = `item` !== undefined".} + {.emit: "`tmp` = `item` !== undefined;".} if tmp: result = makeNimstrLit(item.name) else: @@ -136,7 +136,7 @@ proc reprArray(a: pointer, typ: PNimType, add(result, "]") proc isPointedToNil(p: pointer): bool = - {. emit: "if (`p` === null) {`result` = true};\n" .} + {. emit: "if (`p` === null) {`result` = true;}\n" .} proc reprRef(result: var string, p: pointer, typ: PNimType, cl: var ReprClosure) = diff --git a/lib/system/seqs_v2.nim b/lib/system/seqs_v2.nim index 8b3e9ee88..572e77408 100644 --- a/lib/system/seqs_v2.nim +++ b/lib/system/seqs_v2.nim @@ -90,6 +90,12 @@ proc prepareSeqAdd(len: int; p: pointer; addlen, elemSize, elemAlign: int): poin q.cap = newCap result = q +proc zeroNewElements(len: int; q: pointer; addlen, elemSize, elemAlign: int) {. + noSideEffect, tags: [], raises: [], compilerRtl.} = + {.noSideEffect.}: + let headerSize = align(sizeof(NimSeqPayloadBase), elemAlign) + zeroMem(q +! headerSize +! len * elemSize, addlen * elemSize) + proc prepareSeqAddUninit(len: int; p: pointer; addlen, elemSize, elemAlign: int): pointer {. noSideEffect, tags: [], raises: [], compilerRtl.} = {.noSideEffect.}: diff --git a/lib/system/strs_v2.nim b/lib/system/strs_v2.nim index dbee10777..404b4f78d 100644 --- a/lib/system/strs_v2.nim +++ b/lib/system/strs_v2.nim @@ -166,7 +166,7 @@ proc setLengthStrV2(s: var NimStringV2, newLen: int) {.compilerRtl.} = s.len = newLen proc nimAsgnStrV2(a: var NimStringV2, b: NimStringV2) {.compilerRtl.} = - if a.p == b.p: return + if a.p == b.p and a.len == b.len: return if isLiteral(b): # we can shallow copy literals: frees(a) diff --git a/lib/system/sysstr.nim b/lib/system/sysstr.nim index e4d6479ec..3621c4960 100644 --- a/lib/system/sysstr.nim +++ b/lib/system/sysstr.nim @@ -220,7 +220,10 @@ proc appendChar(dest: NimString, c: char) {.compilerproc, inline.} = proc setLengthStr(s: NimString, newLen: int): NimString {.compilerRtl.} = let n = max(newLen, 0) if s == nil: - result = mnewString(n) + if n == 0: + return s + else: + result = mnewString(n) elif n <= s.space: result = s else: @@ -301,7 +304,10 @@ proc setLengthSeqV2(s: PGenericSeq, typ: PNimType, newLen: int): PGenericSeq {. compilerRtl.} = sysAssert typ.kind == tySequence, "setLengthSeqV2: type is not a seq" if s == nil: - result = cast[PGenericSeq](newSeq(typ, newLen)) + if newLen == 0: + result = s + else: + result = cast[PGenericSeq](newSeq(typ, newLen)) else: let elemSize = typ.base.size let elemAlign = typ.base.align |