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const std = @import("std");
pub const Environment = @import("env.zig");
pub const use_mimalloc = !Environment.isTest;
pub const default_allocator: std.mem.Allocator = if (!use_mimalloc)
std.heap.c_allocator
else
@import("./memory_allocator.zig").c_allocator;
pub const huge_allocator: std.mem.Allocator = if (!use_mimalloc)
std.heap.c_allocator
else
@import("./memory_allocator.zig").huge_allocator;
pub const auto_allocator: std.mem.Allocator = if (!use_mimalloc)
std.heap.c_allocator
else
@import("./memory_allocator.zig").auto_allocator;
pub const huge_allocator_threshold: comptime_int = @import("./memory_allocator.zig").huge_threshold;
pub const C = @import("c.zig");
pub const FeatureFlags = @import("feature_flags.zig");
const root = @import("root");
pub const meta = @import("./meta.zig");
pub const ComptimeStringMap = @import("./comptime_string_map.zig").ComptimeStringMap;
pub const base64 = @import("./base64/base64.zig");
pub const path = @import("./resolver/resolve_path.zig");
pub const fmt = struct {
pub usingnamespace std.fmt;
pub const SizeFormatter = struct {
value: usize = 0,
pub fn format(self: SizeFormatter, comptime _: []const u8, _: fmt.FormatOptions, writer: anytype) !void {
const math = std.math;
const value = self.value;
if (value == 0) {
return writer.writeAll("0 KB");
}
const mags_si = " KMGTPEZY";
const mags_iec = " KMGTPEZY";
const log2 = math.log2(value);
const magnitude = math.min(log2 / comptime math.log2(1000), mags_si.len - 1);
const new_value = math.lossyCast(f64, value) / math.pow(f64, 1000, math.lossyCast(f64, magnitude));
const suffix = switch (1000) {
1000 => mags_si[magnitude],
1024 => mags_iec[magnitude],
else => unreachable,
};
if (suffix == ' ') {
try fmt.formatFloatDecimal(new_value / 1000.0, .{ .precision = 2 }, writer);
return writer.writeAll(" KB");
} else {
try fmt.formatFloatDecimal(new_value, .{ .precision = if (std.math.approxEqAbs(f64, new_value, @trunc(new_value), 0.100)) @as(usize, 0) else @as(usize, 2) }, writer);
}
const buf = switch (1000) {
1000 => &[_]u8{ ' ', suffix, 'B' },
1024 => &[_]u8{ ' ', suffix, 'i', 'B' },
else => unreachable,
};
return writer.writeAll(buf);
}
};
pub fn size(value: anytype) SizeFormatter {
return switch (@TypeOf(value)) {
f64, f32, f128 => SizeFormatter{
.value = @floatToInt(u64, value),
},
else => SizeFormatter{ .value = @intCast(u64, value) },
};
}
};
pub const Output = @import("./output.zig");
pub const Global = @import("./__global.zig");
pub const FileDescriptorType = if (Environment.isBrowser) u0 else std.os.fd_t;
// When we are on a computer with an absurdly high number of max open file handles
// such is often the case with macOS
// As a useful optimization, we can store file descriptors and just keep them open...forever
pub const StoredFileDescriptorType = if (Environment.isWindows or Environment.isBrowser) u0 else std.os.fd_t;
pub const StringTypes = @import("string_types.zig");
pub const stringZ = StringTypes.stringZ;
pub const string = StringTypes.string;
pub const CodePoint = StringTypes.CodePoint;
pub const PathString = StringTypes.PathString;
pub const HashedString = StringTypes.HashedString;
pub const strings = @import("string_immutable.zig");
pub const MutableString = @import("string_mutable.zig").MutableString;
pub const RefCount = @import("./ref_count.zig").RefCount;
pub inline fn constStrToU8(s: []const u8) []u8 {
return @intToPtr([*]u8, @ptrToInt(s.ptr))[0..s.len];
}
pub const MAX_PATH_BYTES: usize = if (Environment.isWasm) 1024 else std.fs.MAX_PATH_BYTES;
pub inline fn cast(comptime To: type, value: anytype) To {
return @ptrCast(To, @alignCast(@alignOf(To), value));
}
extern fn strlen(ptr: [*c]const u8) usize;
pub fn indexOfSentinel(comptime Elem: type, comptime sentinel: Elem, ptr: [*:sentinel]const Elem) usize {
if (comptime Elem == u8 and sentinel == 0) {
return strlen(ptr);
} else {
var i: usize = 0;
while (ptr[i] != sentinel) {
i += 1;
}
return i;
}
}
pub fn len(value: anytype) usize {
return switch (@typeInfo(@TypeOf(value))) {
.Array => |info| info.len,
.Vector => |info| info.len,
.Pointer => |info| switch (info.size) {
.One => switch (@typeInfo(info.child)) {
.Array => value.len,
else => @compileError("invalid type given to std.mem.len"),
},
.Many => {
const sentinel_ptr = info.sentinel orelse
@compileError("length of pointer with no sentinel");
const sentinel = @ptrCast(*const info.child, sentinel_ptr).*;
return indexOfSentinel(info.child, sentinel, value);
},
.C => {
std.debug.assert(value != null);
return indexOfSentinel(info.child, 0, value);
},
.Slice => value.len,
},
.Struct => |info| if (info.is_tuple) {
return info.fields.len;
} else @compileError("invalid type given to std.mem.len"),
else => @compileError("invalid type given to std.mem.len"),
};
}
pub fn span(ptr: anytype) std.mem.Span(@TypeOf(ptr)) {
if (@typeInfo(@TypeOf(ptr)) == .Optional) {
if (ptr) |non_null| {
return span(non_null);
} else {
return null;
}
}
const Result = std.mem.Span(@TypeOf(ptr));
const l = len(ptr);
const ptr_info = @typeInfo(Result).Pointer;
if (ptr_info.sentinel) |s_ptr| {
const s = @ptrCast(*const ptr_info.child, s_ptr).*;
return ptr[0..l :s];
} else {
return ptr[0..l];
}
}
pub const IdentityContext = @import("./identity_context.zig").IdentityContext;
pub const ArrayIdentityContext = @import("./identity_context.zig").ArrayIdentityContext;
pub const BabyList = @import("./baby_list.zig").BabyList;
pub const ByteList = BabyList(u8);
pub fn DebugOnly(comptime Type: type) type {
if (comptime Environment.isDebug) {
return Type;
}
return void;
}
pub fn DebugOnlyDefault(comptime val: anytype) if (Environment.isDebug) @TypeOf(val) else void {
if (comptime Environment.isDebug) {
return val;
}
return {};
}
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