Merge pull request ziglang#21287 from linusg/deprecated-default-init

Replace deprecated default initializations with decl literals

doc/langref/wasi_args.zig

@@ -1,7 +1,7 @@
 const std = @import("std");
 
 pub fn main() !void {
-    var general_purpose_allocator = std.heap.GeneralPurposeAllocator(.{}){};
+    var general_purpose_allocator: std.heap.GeneralPurposeAllocator(.{}) = .init;
     const gpa = general_purpose_allocator.allocator();
     const args = try std.process.argsAlloc(gpa);
     defer std.process.argsFree(gpa, args);

doc/langref/wasi_preopens.zig

@@ -2,7 +2,7 @@ const std = @import("std");
 const fs = std.fs;
 
 pub fn main() !void {
-    var general_purpose_allocator = std.heap.GeneralPurposeAllocator(.{}){};
+    var general_purpose_allocator: std.heap.GeneralPurposeAllocator(.{}) = .init;
     const gpa = general_purpose_allocator.allocator();
 
     var arena_instance = std.heap.ArenaAllocator.init(gpa);

lib/compiler/aro/aro/CodeGen.zig

@@ -42,11 +42,11 @@ node_tag: []const Tree.Tag,
 node_data: []const Tree.Node.Data,
 node_ty: []const Type,
 wip_switch: *WipSwitch = undefined,
-symbols: std.ArrayListUnmanaged(Symbol) = .{},
-ret_nodes: std.ArrayListUnmanaged(Ir.Inst.Phi.Input) = .{},
-phi_nodes: std.ArrayListUnmanaged(Ir.Inst.Phi.Input) = .{},
-record_elem_buf: std.ArrayListUnmanaged(Interner.Ref) = .{},
-record_cache: std.AutoHashMapUnmanaged(*Type.Record, Interner.Ref) = .{},
+symbols: std.ArrayListUnmanaged(Symbol) = .empty,
+ret_nodes: std.ArrayListUnmanaged(Ir.Inst.Phi.Input) = .empty,
+phi_nodes: std.ArrayListUnmanaged(Ir.Inst.Phi.Input) = .empty,
+record_elem_buf: std.ArrayListUnmanaged(Interner.Ref) = .empty,
+record_cache: std.AutoHashMapUnmanaged(*Type.Record, Interner.Ref) = .empty,
 cond_dummy_ty: ?Interner.Ref = null,
 bool_invert: bool = false,
 bool_end_label: Ir.Ref = .none,

lib/compiler/aro/aro/Compilation.zig

@@ -93,13 +93,13 @@ gpa: Allocator,
 diagnostics: Diagnostics,
 
 environment: Environment = .{},
-sources: std.StringArrayHashMapUnmanaged(Source) = .{},
-include_dirs: std.ArrayListUnmanaged([]const u8) = .{},
-system_include_dirs: std.ArrayListUnmanaged([]const u8) = .{},
+sources: std.StringArrayHashMapUnmanaged(Source) = .empty,
+include_dirs: std.ArrayListUnmanaged([]const u8) = .empty,
+system_include_dirs: std.ArrayListUnmanaged([]const u8) = .empty,
 target: std.Target = @import("builtin").target,
-pragma_handlers: std.StringArrayHashMapUnmanaged(*Pragma) = .{},
+pragma_handlers: std.StringArrayHashMapUnmanaged(*Pragma) = .empty,
 langopts: LangOpts = .{},
-generated_buf: std.ArrayListUnmanaged(u8) = .{},
+generated_buf: std.ArrayListUnmanaged(u8) = .empty,
 builtins: Builtins = .{},
 types: struct {
     wchar: Type = undefined,

lib/compiler/aro/aro/Diagnostics.zig

@@ -221,7 +221,7 @@ pub const Options = struct {
 
 const Diagnostics = @This();
 
-list: std.ArrayListUnmanaged(Message) = .{},
+list: std.ArrayListUnmanaged(Message) = .empty,
 arena: std.heap.ArenaAllocator,
 fatal_errors: bool = false,
 options: Options = .{},

lib/compiler/aro/aro/Driver.zig

@@ -25,8 +25,8 @@ pub const Linker = enum {
 const Driver = @This();
 
 comp: *Compilation,
-inputs: std.ArrayListUnmanaged(Source) = .{},
-link_objects: std.ArrayListUnmanaged([]const u8) = .{},
+inputs: std.ArrayListUnmanaged(Source) = .empty,
+link_objects: std.ArrayListUnmanaged([]const u8) = .empty,
 output_name: ?[]const u8 = null,
 sysroot: ?[]const u8 = null,
 system_defines: Compilation.SystemDefinesMode = .include_system_defines,

lib/compiler/aro/aro/Hideset.zig

@@ -51,10 +51,10 @@ pub const Index = enum(u32) {
     _,
 };
 
-map: std.AutoHashMapUnmanaged(Identifier, Index) = .{},
+map: std.AutoHashMapUnmanaged(Identifier, Index) = .empty,
 /// Used for computing union/intersection of two lists; stored here so that allocations can be retained
 /// until hideset is deinit'ed
-tmp_map: std.AutoHashMapUnmanaged(Identifier, void) = .{},
+tmp_map: std.AutoHashMapUnmanaged(Identifier, void) = .empty,
 linked_list: Item.List = .{},
 comp: *const Compilation,
 

lib/compiler/aro/aro/InitList.zig

@@ -23,7 +23,7 @@ const Item = struct {
 
 const InitList = @This();
 
-list: std.ArrayListUnmanaged(Item) = .{},
+list: std.ArrayListUnmanaged(Item) = .empty,
 node: NodeIndex = .none,
 tok: TokenIndex = 0,
 

lib/compiler/aro/aro/Parser.zig

@@ -109,15 +109,15 @@ param_buf: std.ArrayList(Type.Func.Param),
 enum_buf: std.ArrayList(Type.Enum.Field),
 record_buf: std.ArrayList(Type.Record.Field),
 attr_buf: std.MultiArrayList(TentativeAttribute) = .{},
-attr_application_buf: std.ArrayListUnmanaged(Attribute) = .{},
+attr_application_buf: std.ArrayListUnmanaged(Attribute) = .empty,
 field_attr_buf: std.ArrayList([]const Attribute),
 /// type name -> variable name location for tentative definitions (top-level defs with thus-far-incomplete types)
 /// e.g. `struct Foo bar;` where `struct Foo` is not defined yet.
 /// The key is the StringId of `Foo` and the value is the TokenIndex of `bar`
 /// Items are removed if the type is subsequently completed with a definition.
 /// We only store the first tentative definition that uses a given type because this map is only used
 /// for issuing an error message, and correcting the first error for a type will fix all of them for that type.
-tentative_defs: std.AutoHashMapUnmanaged(StringId, TokenIndex) = .{},
+tentative_defs: std.AutoHashMapUnmanaged(StringId, TokenIndex) = .empty,
 
 // configuration and miscellaneous info
 no_eval: bool = false,
@@ -174,7 +174,7 @@ record: struct {
         }
     }
 } = .{},
-record_members: std.ArrayListUnmanaged(struct { tok: TokenIndex, name: StringId }) = .{},
+record_members: std.ArrayListUnmanaged(struct { tok: TokenIndex, name: StringId }) = .empty,
 @"switch": ?*Switch = null,
 in_loop: bool = false,
 pragma_pack: ?u8 = null,

lib/compiler/aro/aro/Preprocessor.zig

@@ -95,7 +95,7 @@ counter: u32 = 0,
 expansion_source_loc: Source.Location = undefined,
 poisoned_identifiers: std.StringHashMap(void),
 /// Map from Source.Id to macro name in the `#ifndef` condition which guards the source, if any
-include_guards: std.AutoHashMapUnmanaged(Source.Id, []const u8) = .{},
+include_guards: std.AutoHashMapUnmanaged(Source.Id, []const u8) = .empty,
 
 /// Store `keyword_define` and `keyword_undef` tokens.
 /// Used to implement preprocessor debug dump options

lib/compiler/aro/aro/SymbolStack.zig

@@ -33,14 +33,14 @@ pub const Kind = enum {
     constexpr,
 };
 
-scopes: std.ArrayListUnmanaged(Scope) = .{},
+scopes: std.ArrayListUnmanaged(Scope) = .empty,
 /// allocations from nested scopes are retained after popping; `active_len` is the number
 /// of currently-active items in `scopes`.
 active_len: usize = 0,
 
 const Scope = struct {
-    vars: std.AutoHashMapUnmanaged(StringId, Symbol) = .{},
-    tags: std.AutoHashMapUnmanaged(StringId, Symbol) = .{},
+    vars: std.AutoHashMapUnmanaged(StringId, Symbol) = .empty,
+    tags: std.AutoHashMapUnmanaged(StringId, Symbol) = .empty,
 
     fn deinit(self: *Scope, allocator: Allocator) void {
         self.vars.deinit(allocator);

lib/compiler/aro/aro/pragmas/gcc.zig

@@ -19,7 +19,7 @@ pragma: Pragma = .{
     .preserveTokens = preserveTokens,
 },
 original_options: Diagnostics.Options = .{},
-options_stack: std.ArrayListUnmanaged(Diagnostics.Options) = .{},
+options_stack: std.ArrayListUnmanaged(Diagnostics.Options) = .empty,
 
 const Directive = enum {
     warning,

lib/compiler/aro/aro/pragmas/pack.zig

@@ -15,7 +15,7 @@ pragma: Pragma = .{
     .parserHandler = parserHandler,
     .preserveTokens = preserveTokens,
 },
-stack: std.ArrayListUnmanaged(struct { label: []const u8, val: u8 }) = .{},
+stack: std.ArrayListUnmanaged(struct { label: []const u8, val: u8 }) = .empty,
 
 pub fn init(allocator: mem.Allocator) !*Pragma {
     var pack = try allocator.create(Pack);

lib/compiler/aro/aro/toolchains/Linux.zig

@@ -11,7 +11,7 @@ const system_defaults = @import("system_defaults");
 const Linux = @This();
 
 distro: Distro.Tag = .unknown,
-extra_opts: std.ArrayListUnmanaged([]const u8) = .{},
+extra_opts: std.ArrayListUnmanaged([]const u8) = .empty,
 gcc_detector: GCCDetector = .{},
 
 pub fn discover(self: *Linux, tc: *Toolchain) !void {

lib/compiler/aro/backend/Interner.zig

@@ -8,14 +8,14 @@ const Limb = std.math.big.Limb;
 
 const Interner = @This();
 
-map: std.AutoArrayHashMapUnmanaged(void, void) = .{},
+map: std.AutoArrayHashMapUnmanaged(void, void) = .empty,
 items: std.MultiArrayList(struct {
     tag: Tag,
     data: u32,
 }) = .{},
-extra: std.ArrayListUnmanaged(u32) = .{},
-limbs: std.ArrayListUnmanaged(Limb) = .{},
-strings: std.ArrayListUnmanaged(u8) = .{},
+extra: std.ArrayListUnmanaged(u32) = .empty,
+limbs: std.ArrayListUnmanaged(Limb) = .empty,
+strings: std.ArrayListUnmanaged(u8) = .empty,
 
 const KeyAdapter = struct {
     interner: *const Interner,

lib/compiler/aro/backend/Ir.zig

@@ -26,9 +26,9 @@ pub const Builder = struct {
     arena: std.heap.ArenaAllocator,
     interner: *Interner,
 
-    decls: std.StringArrayHashMapUnmanaged(Decl) = .{},
+    decls: std.StringArrayHashMapUnmanaged(Decl) = .empty,
     instructions: std.MultiArrayList(Ir.Inst) = .{},
-    body: std.ArrayListUnmanaged(Ref) = .{},
+    body: std.ArrayListUnmanaged(Ref) = .empty,
     alloc_count: u32 = 0,
     arg_count: u32 = 0,
     current_label: Ref = undefined,

lib/compiler/aro/backend/Object/Elf.zig

@@ -5,7 +5,7 @@ const Object = @import("../Object.zig");
 
 const Section = struct {
     data: std.ArrayList(u8),
-    relocations: std.ArrayListUnmanaged(Relocation) = .{},
+    relocations: std.ArrayListUnmanaged(Relocation) = .empty,
     flags: u64,
     type: u32,
     index: u16 = undefined,
@@ -37,9 +37,9 @@ const Elf = @This();
 
 obj: Object,
 /// The keys are owned by the Codegen.tree
-sections: std.StringHashMapUnmanaged(*Section) = .{},
-local_symbols: std.StringHashMapUnmanaged(*Symbol) = .{},
-global_symbols: std.StringHashMapUnmanaged(*Symbol) = .{},
+sections: std.StringHashMapUnmanaged(*Section) = .empty,
+local_symbols: std.StringHashMapUnmanaged(*Symbol) = .empty,
+global_symbols: std.StringHashMapUnmanaged(*Symbol) = .empty,
 unnamed_symbol_mangle: u32 = 0,
 strtab_len: u64 = strtab_default.len,
 arena: std.heap.ArenaAllocator,

lib/compiler/aro_translate_c.zig

@@ -16,22 +16,22 @@ const Context = @This();
 
 gpa: mem.Allocator,
 arena: mem.Allocator,
-decl_table: std.AutoArrayHashMapUnmanaged(usize, []const u8) = .{},
+decl_table: std.AutoArrayHashMapUnmanaged(usize, []const u8) = .empty,
 alias_list: AliasList,
 global_scope: *Scope.Root,
 mangle_count: u32 = 0,
 /// Table of record decls that have been demoted to opaques.
-opaque_demotes: std.AutoHashMapUnmanaged(usize, void) = .{},
+opaque_demotes: std.AutoHashMapUnmanaged(usize, void) = .empty,
 /// Table of unnamed enums and records that are child types of typedefs.
-unnamed_typedefs: std.AutoHashMapUnmanaged(usize, []const u8) = .{},
+unnamed_typedefs: std.AutoHashMapUnmanaged(usize, []const u8) = .empty,
 /// Needed to decide if we are parsing a typename
-typedefs: std.StringArrayHashMapUnmanaged(void) = .{},
+typedefs: std.StringArrayHashMapUnmanaged(void) = .empty,
 
 /// This one is different than the root scope's name table. This contains
 /// a list of names that we found by visiting all the top level decls without
 /// translating them. The other maps are updated as we translate; this one is updated
 /// up front in a pre-processing step.
-global_names: std.StringArrayHashMapUnmanaged(void) = .{},
+global_names: std.StringArrayHashMapUnmanaged(void) = .empty,
 
 /// This is similar to `global_names`, but contains names which we would
 /// *like* to use, but do not strictly *have* to if they are unavailable.
@@ -40,7 +40,7 @@ global_names: std.StringArrayHashMapUnmanaged(void) = .{},
 /// may be mangled.
 /// This is distinct from `global_names` so we can detect at a type
 /// declaration whether or not the name is available.
-weak_global_names: std.StringArrayHashMapUnmanaged(void) = .{},
+weak_global_names: std.StringArrayHashMapUnmanaged(void) = .empty,
 
 pattern_list: PatternList,
 tree: Tree,
@@ -697,7 +697,7 @@ fn transEnumDecl(c: *Context, scope: *Scope, enum_decl: *const Type.Enum, field_
 }
 
 fn getTypeStr(c: *Context, ty: Type) ![]const u8 {
-    var buf: std.ArrayListUnmanaged(u8) = .{};
+    var buf: std.ArrayListUnmanaged(u8) = .empty;
     defer buf.deinit(c.gpa);
     const w = buf.writer(c.gpa);
     try ty.print(c.mapper, c.comp.langopts, w);
@@ -1793,7 +1793,7 @@ pub fn main() !void {
     defer arena_instance.deinit();
     const arena = arena_instance.allocator();
 
-    var general_purpose_allocator: std.heap.GeneralPurposeAllocator(.{}) = .{};
+    var general_purpose_allocator: std.heap.GeneralPurposeAllocator(.{}) = .init;
     const gpa = general_purpose_allocator.allocator();
 
     const args = try std.process.argsAlloc(arena);

lib/compiler/aro_translate_c/ast.zig

@@ -808,7 +808,7 @@ const Context = struct {
     gpa: Allocator,
     buf: std.ArrayList(u8),
     nodes: std.zig.Ast.NodeList = .{},
-    extra_data: std.ArrayListUnmanaged(std.zig.Ast.Node.Index) = .{},
+    extra_data: std.ArrayListUnmanaged(std.zig.Ast.Node.Index) = .empty,
     tokens: std.zig.Ast.TokenList = .{},
 
     fn addTokenFmt(c: *Context, tag: TokenTag, comptime format: []const u8, args: anytype) Allocator.Error!TokenIndex {

lib/compiler/build_runner.zig

@@ -336,7 +336,7 @@ pub fn main() !void {
     }
 
     if (graph.needed_lazy_dependencies.entries.len != 0) {
-        var buffer: std.ArrayListUnmanaged(u8) = .{};
+        var buffer: std.ArrayListUnmanaged(u8) = .empty;
         for (graph.needed_lazy_dependencies.keys()) |k| {
             try buffer.appendSlice(arena, k);
             try buffer.append(arena, '\n');
@@ -1173,7 +1173,7 @@ pub fn printErrorMessages(
     // Provide context for where these error messages are coming from by
     // printing the corresponding Step subtree.
 
-    var step_stack: std.ArrayListUnmanaged(*Step) = .{};
+    var step_stack: std.ArrayListUnmanaged(*Step) = .empty;
     defer step_stack.deinit(gpa);
     try step_stack.append(gpa, failing_step);
     while (step_stack.items[step_stack.items.len - 1].dependants.items.len != 0) {

lib/compiler/objcopy.zig

@@ -15,7 +15,7 @@ pub fn main() !void {
     defer arena_instance.deinit();
     const arena = arena_instance.allocator();
 
-    var general_purpose_allocator: std.heap.GeneralPurposeAllocator(.{}) = .{};
+    var general_purpose_allocator: std.heap.GeneralPurposeAllocator(.{}) = .init;
     const gpa = general_purpose_allocator.allocator();
 
     const args = try std.process.argsAlloc(arena);

lib/compiler/reduce.zig

@@ -51,7 +51,7 @@ pub fn main() !void {
     defer arena_instance.deinit();
     const arena = arena_instance.allocator();
 
-    var general_purpose_allocator: std.heap.GeneralPurposeAllocator(.{}) = .{};
+    var general_purpose_allocator: std.heap.GeneralPurposeAllocator(.{}) = .init;
     const gpa = general_purpose_allocator.allocator();
 
     const args = try std.process.argsAlloc(arena);
@@ -109,7 +109,7 @@ pub fn main() !void {
     const root_source_file_path = opt_root_source_file_path orelse
         fatal("missing root source file path argument; see -h for usage", .{});
 
-    var interestingness_argv: std.ArrayListUnmanaged([]const u8) = .{};
+    var interestingness_argv: std.ArrayListUnmanaged([]const u8) = .empty;
     try interestingness_argv.ensureUnusedCapacity(arena, argv.len + 1);
     interestingness_argv.appendAssumeCapacity(checker_path);
     interestingness_argv.appendSliceAssumeCapacity(argv);

lib/compiler/resinator/ast.zig

@@ -28,7 +28,7 @@ pub const Tree = struct {
 };
 
 pub const CodePageLookup = struct {
-    lookup: std.ArrayListUnmanaged(CodePage) = .{},
+    lookup: std.ArrayListUnmanaged(CodePage) = .empty,
     allocator: Allocator,
     default_code_page: CodePage,
 

lib/compiler/resinator/cli.zig

@@ -70,13 +70,13 @@ pub fn writeUsage(writer: anytype, command_name: []const u8) !void {
 }
 
 pub const Diagnostics = struct {
-    errors: std.ArrayListUnmanaged(ErrorDetails) = .{},
+    errors: std.ArrayListUnmanaged(ErrorDetails) = .empty,
     allocator: Allocator,
 
     pub const ErrorDetails = struct {
         arg_index: usize,
         arg_span: ArgSpan = .{},
-        msg: std.ArrayListUnmanaged(u8) = .{},
+        msg: std.ArrayListUnmanaged(u8) = .empty,
         type: Type = .err,
         print_args: bool = true,
 
@@ -132,13 +132,13 @@ pub const Options = struct {
     allocator: Allocator,
     input_filename: []const u8 = &[_]u8{},
     output_filename: []const u8 = &[_]u8{},
-    extra_include_paths: std.ArrayListUnmanaged([]const u8) = .{},
+    extra_include_paths: std.ArrayListUnmanaged([]const u8) = .empty,
     ignore_include_env_var: bool = false,
     preprocess: Preprocess = .yes,
     default_language_id: ?u16 = null,
     default_code_page: ?CodePage = null,
     verbose: bool = false,
-    symbols: std.StringArrayHashMapUnmanaged(SymbolValue) = .{},
+    symbols: std.StringArrayHashMapUnmanaged(SymbolValue) = .empty,
     null_terminate_string_table_strings: bool = false,
     max_string_literal_codepoints: u15 = lex.default_max_string_literal_codepoints,
     silent_duplicate_control_ids: bool = false,