Files
browser/src/browser/js/Isolate.zig
2026-03-19 16:27:51 +03:00

132 lines
3.9 KiB
Zig

// Copyright (C) 2023-2025 Lightpanda (Selecy SAS)
//
// Francis Bouvier <francis@lightpanda.io>
// Pierre Tachoire <pierre@lightpanda.io>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const js = @import("js.zig");
const v8 = js.v8;
const Isolate = @This();
handle: *v8.Isolate,
pub fn init(params: *v8.CreateParams) Isolate {
return .{
.handle = v8.v8__Isolate__New(params).?,
};
}
pub fn deinit(self: Isolate) void {
v8.v8__Isolate__Dispose(self.handle);
}
pub fn enter(self: Isolate) void {
v8.v8__Isolate__Enter(self.handle);
}
pub fn exit(self: Isolate) void {
v8.v8__Isolate__Exit(self.handle);
}
pub fn lowMemoryNotification(self: Isolate) void {
v8.v8__Isolate__LowMemoryNotification(self.handle);
}
pub const MemoryPressureLevel = enum(u32) {
none = v8.kNone,
moderate = v8.kModerate,
critical = v8.kCritical,
};
pub fn memoryPressureNotification(self: Isolate, level: MemoryPressureLevel) void {
v8.v8__Isolate__MemoryPressureNotification(self.handle, @intFromEnum(level));
}
pub fn notifyContextDisposed(self: Isolate) void {
_ = v8.v8__Isolate__ContextDisposedNotification(self.handle);
}
pub fn getHeapStatistics(self: Isolate) v8.HeapStatistics {
var res: v8.HeapStatistics = undefined;
v8.v8__Isolate__GetHeapStatistics(self.handle, &res);
return res;
}
pub fn throwException(self: Isolate, value: *const v8.Value) *const v8.Value {
return v8.v8__Isolate__ThrowException(self.handle, value).?;
}
pub fn initStringHandle(self: Isolate, str: []const u8) *const v8.String {
return v8.v8__String__NewFromUtf8(self.handle, str.ptr, v8.kNormal, @as(c_int, @intCast(str.len))).?;
}
pub fn createError(self: Isolate, msg: []const u8) *const v8.Value {
const message = self.initStringHandle(msg);
return v8.v8__Exception__Error(message).?;
}
pub fn createRangeError(self: Isolate, msg: []const u8) *const v8.Value {
const message = self.initStringHandle(msg);
return v8.v8__Exception__RangeError(message).?;
}
pub fn createReferenceError(self: Isolate, msg: []const u8) *const v8.Value {
const message = self.initStringHandle(msg);
return v8.v8__Exception__ReferenceError(message).?;
}
pub fn createSyntaxError(self: Isolate, msg: []const u8) *const v8.Value {
const message = self.initStringHandle(msg);
return v8.v8__Exception__SyntaxError(message).?;
}
pub fn createTypeError(self: Isolate, msg: []const u8) *const v8.Value {
const message = self.initStringHandle(msg);
return v8.v8__Exception__TypeError(message).?;
}
pub fn initNull(self: Isolate) *const v8.Value {
return v8.v8__Null(self.handle).?;
}
pub fn initUndefined(self: Isolate) *const v8.Value {
return v8.v8__Undefined(self.handle).?;
}
pub fn initFalse(self: Isolate) *const v8.Value {
return v8.v8__False(self.handle).?;
}
pub fn initTrue(self: Isolate) *const v8.Value {
return v8.v8__True(self.handle).?;
}
pub fn initInteger(self: Isolate, val: anytype) js.Integer {
return js.Integer.init(self.handle, val);
}
pub fn initBigInt(self: Isolate, val: anytype) js.BigInt {
return js.BigInt.init(self.handle, val);
}
pub fn initNumber(self: Isolate, val: anytype) js.Number {
return js.Number.init(self.handle, val);
}
pub fn createExternal(self: Isolate, val: *anyopaque) *const v8.External {
return v8.v8__External__New(self.handle, val).?;
}