Merge branch 'zig-0.15.0' into writergate

The last pre-writergate version.

build.zig.version

@@ -1 +1 @@
-0.14.1
+0.15.0-dev.1034+bd97b6618

build.zig.zon

@@ -15,8 +15,8 @@
             .hash = "dizzy-1.0.0-AAAAAM1wAAAiDbx_6RwcVEOBk8p2XOu8t9WPNc3K7kBK",
         },
         .thespian = .{
-            .url = "https://github.com/neurocyte/thespian/archive/ccdcbbff09f945eec063ebf889581db3e1312107.tar.gz",
-            .hash = "thespian-0.0.1-owFOjlgaBgCqc3FCnB4Xyg8-9jyIDWgHSJMGx_nt5Kcc",
+            .url = "git+https://github.com/neurocyte/thespian#4d317d7bf02eef26da56eddd2d49e46984b50572",
+            .hash = "thespian-0.0.1-owFOjuEaBgA9zNohtfOqnA8alObpvYjJNNDjEV8dKvLj",
         },
         .themes = .{
             .url = "https://github.com/neurocyte/flow-themes/releases/download/master-952f9f630ea9544088fd30293666ee0650b7a690/flow-themes.tar.gz",
@@ -27,12 +27,12 @@
             .hash = "fuzzig-0.1.1-AAAAALNIAQBmbHr-MPalGuR393Vem2pTQXI7_LXeNJgX",
         },
         .vaxis = .{
-            .url = "https://github.com/neurocyte/libvaxis/archive/6137cb4c44a7350996f0946a069739e5075d1f23.tar.gz",
-            .hash = "vaxis-0.1.0-BWNV_HwOCQCw5wTV63hQGSc1QJzsNcytH6sGf1GBc0hP",
+            .url = "https://github.com/neurocyte/libvaxis/archive/2a4137dadbe560b13b712fd3aa8a1c313fdd8c6e.tar.gz",
+            .hash = "vaxis-0.1.0-BWNV_KMOCQAe8oPD6cCn62Rg7oIVgF8FEWLpcAi7xDZQ",
         },
         .zeit = .{
-            .url = "https://github.com/rockorager/zeit/archive/8fd203f85f597f16e0a525c1f1ca1e0bffded809.tar.gz",
-            .hash = "zeit-0.0.0-AAAAACVbAgAiIzg1rccZU1qOfO_dKQKme7-37xmEQcqc",
+            .url = "https://github.com/rockorager/zeit/archive/991f38266f86535e68431675e8feb84efa1f011b.tar.gz",
+            .hash = "zeit-0.6.0-5I6bk0t7AgCPM_cY1DoqJB2pnmG7MMtpdO5IxNpryJDy",
         },
         .win32 = .{
             .url = "https://github.com/marlersoft/zigwin32/archive/e8739b32a33ce48a3286aba31918b26a9dfc6ef0.tar.gz",

src/buffer/Buffer.zig

@@ -1222,6 +1222,7 @@ pub const LoadFromFileError = error{
     LockViolation,
     ProcessNotFound,
     Canceled,
+    PermissionDenied,
 };
 
 pub fn load_from_file(
@@ -1327,6 +1328,8 @@ pub const StoreToFileError = error{
     SystemResources,
     Unexpected,
     WouldBlock,
+    PermissionDenied,
+    MessageTooBig,
 };
 
 pub fn store_to_existing_file_const(self: *const Self, file_path: []const u8) StoreToFileError!void {

src/log.zig

@@ -10,9 +10,14 @@ receiver: Receiver,
 subscriber: ?tp.pid,
 heap: [32 + 1024]u8,
 fba: std.heap.FixedBufferAllocator,
-msg_store: MsgStoreT,
+msg_store: MsgStore,
+
+const MsgStore = std.DoublyLinkedList;
+const MsgStoreEntry = struct {
+    data: []u8,
+    node: MsgStore.Node,
+};
 
-const MsgStoreT = std.DoublyLinkedList([]u8);
 const Receiver = tp.Receiver(*Self);
 
 const StartArgs = struct {
@@ -38,7 +43,7 @@ fn init(args: StartArgs) !*Self {
         .subscriber = null,
         .heap = undefined,
         .fba = std.heap.FixedBufferAllocator.init(&p.heap),
-        .msg_store = MsgStoreT{},
+        .msg_store = MsgStore{},
     };
     return p;
 }
@@ -55,17 +60,18 @@ fn log(msg: []const u8) void {
 fn store(self: *Self, m: tp.message) void {
     const allocator: std.mem.Allocator = self.fba.allocator();
     const buf: []u8 = allocator.alloc(u8, m.len()) catch return;
-    var node: *MsgStoreT.Node = allocator.create(MsgStoreT.Node) catch return;
-    node.data = buf;
+    var msg: *MsgStoreEntry = allocator.create(MsgStoreEntry) catch return;
+    msg.data = buf;
     @memcpy(buf, m.buf);
-    self.msg_store.append(node);
+    self.msg_store.append(&msg.node);
 }
 
 fn store_send(self: *Self) void {
     var node = self.msg_store.first;
     if (self.subscriber) |sub| {
         while (node) |node_| {
-            sub.send_raw(tp.message{ .buf = node_.data }) catch return;
+            const msg: *MsgStoreEntry = @fieldParentPtr("node", node_);
+            sub.send_raw(tp.message{ .buf = msg.data }) catch return;
             node = node_.next;
         }
     }
@@ -73,7 +79,7 @@ fn store_send(self: *Self) void {
 }
 
 fn store_reset(self: *Self) void {
-    self.msg_store = MsgStoreT{};
+    self.msg_store = MsgStore{};
     self.fba.reset();
 }
 

src/renderer/vaxis/renderer.zig

@@ -125,7 +125,7 @@ pub fn install_crash_handler() void {
     }
     const act = std.posix.Sigaction{
         .handler = .{ .sigaction = handle_crash },
-        .mask = std.posix.empty_sigset,
+        .mask = std.posix.sigemptyset(),
         .flags = (std.posix.SA.SIGINFO | std.posix.SA.RESTART),
     };
 

src/renderer/vaxis/std/debug.zig

@@ -78,13 +78,9 @@ pub fn FullPanic(comptime panicFn: fn ([]const u8, ?usize) noreturn) type {
             @branchHint(.cold);
             call("invalid error code", @returnAddress());
         }
-        pub fn castTruncatedData() noreturn {
+        pub fn integerOutOfBounds() noreturn {
             @branchHint(.cold);
-            call("integer cast truncated bits", @returnAddress());
-        }
-        pub fn negativeToUnsigned() noreturn {
-            @branchHint(.cold);
-            call("attempt to cast negative value to unsigned integer", @returnAddress());
+            call("integer does not fit in destination type", @returnAddress());
         }
         pub fn integerOverflow() noreturn {
             @branchHint(.cold);
@@ -126,9 +122,9 @@ pub fn FullPanic(comptime panicFn: fn ([]const u8, ?usize) noreturn) type {
             @branchHint(.cold);
             call("for loop over objects with non-equal lengths", @returnAddress());
         }
-        pub fn memcpyLenMismatch() noreturn {
+        pub fn copyLenMismatch() noreturn {
             @branchHint(.cold);
-            call("@memcpy arguments have non-equal lengths", @returnAddress());
+            call("source and destination arguments have non-equal lengths", @returnAddress());
         }
         pub fn memcpyAlias() noreturn {
             @branchHint(.cold);
@@ -165,9 +161,11 @@ pub const sys_can_stack_trace = switch (builtin.cpu.arch) {
 
     // `@returnAddress()` in LLVM 10 gives
     // "Non-Emscripten WebAssembly hasn't implemented __builtin_return_address".
+    // On Emscripten, Zig only supports `@returnAddress()` in debug builds
+    // because Emscripten's implementation is very slow.
     .wasm32,
     .wasm64,
-    => native_os == .emscripten,
+    => native_os == .emscripten and builtin.mode == .Debug,
 
     // `@returnAddress()` is unsupported in LLVM 13.
     .bpfel,
@@ -586,15 +584,20 @@ pub fn defaultPanic(
 
     // For backends that cannot handle the language features depended on by the
     // default panic handler, we have a simpler panic handler:
-    if (builtin.zig_backend == .stage2_wasm or
-        builtin.zig_backend == .stage2_arm or
-        builtin.zig_backend == .stage2_aarch64 or
-        builtin.zig_backend == .stage2_x86 or
-        (builtin.zig_backend == .stage2_x86_64 and (builtin.target.ofmt != .elf and builtin.target.ofmt != .macho)) or
-        builtin.zig_backend == .stage2_sparc64 or
-        builtin.zig_backend == .stage2_spirv64)
-    {
-        @trap();
+    switch (builtin.zig_backend) {
+        .stage2_aarch64,
+        .stage2_arm,
+        .stage2_powerpc,
+        .stage2_riscv64,
+        .stage2_spirv,
+        .stage2_wasm,
+        .stage2_x86,
+        => @trap(),
+        .stage2_x86_64 => switch (builtin.target.ofmt) {
+            .elf, .macho => {},
+            else => @trap(),
+        },
+        else => {},
     }
 
     switch (builtin.os.tag) {
@@ -615,9 +618,9 @@ pub fn defaultPanic(
             // isn't visible on actual hardware if directly booted into
             inline for ([_]?*uefi.protocol.SimpleTextOutput{ uefi.system_table.std_err, uefi.system_table.con_out }) |o| {
                 if (o) |out| {
-                    _ = out.setAttribute(uefi.protocol.SimpleTextOutput.red);
-                    _ = out.outputString(exit_msg);
-                    _ = out.setAttribute(uefi.protocol.SimpleTextOutput.white);
+                    out.setAttribute(.{ .foreground = .red }) catch {};
+                    _ = out.outputString(exit_msg) catch {};
+                    out.setAttribute(.{ .foreground = .white }) catch {};
                 }
             }
 
@@ -752,7 +755,7 @@ pub const StackIterator = struct {
     pub fn init(first_address: ?usize, fp: ?usize) StackIterator {
         if (native_arch.isSPARC()) {
             // Flush all the register windows on stack.
-            asm volatile (if (std.Target.sparc.featureSetHas(builtin.cpu.features, .v9))
+            asm volatile (if (builtin.cpu.has(.sparc, .v9))
                     "flushw"
                 else
                     "ta 3" // ST_FLUSH_WINDOWS
@@ -905,6 +908,8 @@ pub const StackIterator = struct {
             }
         }
 
+        if (builtin.omit_frame_pointer) return null;
+
         const fp = if (comptime native_arch.isSPARC())
             // On SPARC the offset is positive. (!)
             math.add(usize, it.fp, fp_offset) catch return null
@@ -1371,12 +1376,11 @@ pub fn attachSegfaultHandler() void {
         windows_segfault_handle = windows.kernel32.AddVectoredExceptionHandler(0, handleSegfaultWindows);
         return;
     }
-    var act = posix.Sigaction{
+    const act = posix.Sigaction{
         .handler = .{ .sigaction = handleSegfaultPosix },
-        .mask = posix.empty_sigset,
+        .mask = posix.sigemptyset(),
         .flags = (posix.SA.SIGINFO | posix.SA.RESTART | posix.SA.RESETHAND),
     };
-
     updateSegfaultHandler(&act);
 }
 
@@ -1388,9 +1392,9 @@ pub fn resetSegfaultHandler() void {
         }
         return;
     }
-    var act = posix.Sigaction{
+    const act = posix.Sigaction{
         .handler = .{ .handler = posix.SIG.DFL },
-        .mask = posix.empty_sigset,
+        .mask = posix.sigemptyset(),
         .flags = 0,
     };
     updateSegfaultHandler(&act);
@@ -1504,6 +1508,12 @@ fn handleSegfaultWindows(info: *windows.EXCEPTION_POINTERS) callconv(.winapi) c_
 }
 
 fn handleSegfaultWindowsExtra(info: *windows.EXCEPTION_POINTERS, msg: u8, label: ?[]const u8) noreturn {
+    // For backends that cannot handle the language features used by this segfault handler, we have a simpler one,
+    switch (builtin.zig_backend) {
+        .stage2_x86_64 => if (builtin.target.ofmt == .coff) @trap(),
+        else => {},
+    }
+
     comptime assert(windows.CONTEXT != void);
     nosuspend switch (panic_stage) {
         0 => {

src/syntax/build.zig

@@ -14,10 +14,7 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
     });
 
-    const tree_sitter_host_dep = b.dependency("tree_sitter", .{
-        .target = b.graph.host,
-        .optimize = optimize,
-    });
+    const tree_sitter_host_dep = b.dependency("tree_sitter", .{});
 
     const cbor_dep = b.dependency("cbor", .{
         .target = target,
@@ -26,8 +23,11 @@ pub fn build(b: *std.Build) void {
 
     const ts_bin_query_gen = b.addExecutable(.{
         .name = "ts_bin_query_gen",
-        .target = b.graph.host,
-        .root_source_file = b.path("src/ts_bin_query_gen.zig"),
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/ts_bin_query_gen.zig"),
+            .target = target,
+            .optimize = optimize,
+        }),
     });
     ts_bin_query_gen.linkLibC();
     ts_bin_query_gen.root_module.addImport("cbor", cbor_dep.module("cbor"));

src/syntax/build.zig.zon

@@ -6,12 +6,12 @@
 
     .dependencies = .{
         .tree_sitter = .{
-            .url = "https://github.com/neurocyte/tree-sitter/releases/download/master-1c3ad59bd98ee430b166054030dac4c46d641e39/source.tar.gz",
-            .hash = "N-V-__8AANMzUiemOR2eNnrtlMmAGHFqij6VYtDUiaFfn6Dw",
+            .url = "https://github.com/neurocyte/tree-sitter/releases/download/master-f1f032d24f621e2ee4deab1c424d3bf9fb809f6e/source.tar.gz",
+            .hash = "tree_sitter-0.22.4-150-g7e3f5726-z0LhyN88UicDHlr22vQnOZ3DW9NWN1gOhDwLuCRXvrh2",
         },
         .cbor = .{
-            .url = "https://github.com/neurocyte/cbor/archive/1fccb83c70cd84e1dff57cc53f7db8fb99909a94.tar.gz",
-            .hash = "cbor-1.0.0-RcQE_HvqAACcrLH7t3IDZOshgY2xqJA_UX330MvwSepb",
+            .url = "git+https://github.com/neurocyte/cbor#6eccce0b984296e7d05c20d83933cb31530e4fac",
+            .hash = "cbor-1.0.0-RcQE_N3yAADXjbyvhsmTQ6lf22l1nYgePq5FT8NaC4ic",
         },
     },
     .paths = .{