I like this direction

Former-commit-id: 3a95a74b7f
This commit is contained in:
Jarred Sumner
2021-06-24 22:55:42 -07:00
parent d09194f05a
commit b55e64ffa3
10 changed files with 1047 additions and 27 deletions

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pub const struct_OpaqueJSContextGroup = opaque {};
pub const JSContextGroupRef = ?*const struct_OpaqueJSContextGroup;
pub const struct_OpaqueJSContext = opaque {};
pub const JSContextRef = ?*const struct_OpaqueJSContext;
pub const JSGlobalContextRef = ?*struct_OpaqueJSContext;
pub const struct_OpaqueJSString = opaque {};
pub const JSStringRef = ?*struct_OpaqueJSString;
pub const struct_OpaqueJSClass = opaque {};
pub const JSClassRef = ?*struct_OpaqueJSClass;
pub const struct_OpaqueJSPropertyNameArray = opaque {};
pub const JSPropertyNameArrayRef = ?*struct_OpaqueJSPropertyNameArray;
pub const struct_OpaqueJSPropertyNameAccumulator = opaque {};
pub const JSPropertyNameAccumulatorRef = ?*struct_OpaqueJSPropertyNameAccumulator;
pub const JSTypedArrayBytesDeallocator = ?fn (?*c_void, ?*c_void) callconv(.C) void;
pub const struct_OpaqueJSValue = opaque {};
pub const JSValueRef = ?*const struct_OpaqueJSValue;
pub const JSObjectRef = ?*struct_OpaqueJSValue;
pub extern fn JSEvaluateScript(ctx: JSContextRef, script: JSStringRef, thisObject: JSObjectRef, sourceURL: JSStringRef, startingLineNumber: c_int, exception: [*c]JSValueRef) JSValueRef;
pub extern fn JSCheckScriptSyntax(ctx: JSContextRef, script: JSStringRef, sourceURL: JSStringRef, startingLineNumber: c_int, exception: [*c]JSValueRef) bool;
pub extern fn JSGarbageCollect(ctx: JSContextRef) void;
pub const JSType = enum(c_uint) {
kJSTypeUndefined,
kJSTypeNull,
kJSTypeBoolean,
kJSTypeNumber,
kJSTypeString,
kJSTypeObject,
kJSTypeSymbol,
_,
};
pub const kJSTypeUndefined = @enumToInt(JSType.kJSTypeUndefined);
pub const kJSTypeNull = @enumToInt(JSType.kJSTypeNull);
pub const kJSTypeBoolean = @enumToInt(JSType.kJSTypeBoolean);
pub const kJSTypeNumber = @enumToInt(JSType.kJSTypeNumber);
pub const kJSTypeString = @enumToInt(JSType.kJSTypeString);
pub const kJSTypeObject = @enumToInt(JSType.kJSTypeObject);
pub const kJSTypeSymbol = @enumToInt(JSType.kJSTypeSymbol);
pub const JSTypedArrayType = enum(c_uint) {
kJSTypedArrayTypeInt8Array,
kJSTypedArrayTypeInt16Array,
kJSTypedArrayTypeInt32Array,
kJSTypedArrayTypeUint8Array,
kJSTypedArrayTypeUint8ClampedArray,
kJSTypedArrayTypeUint16Array,
kJSTypedArrayTypeUint32Array,
kJSTypedArrayTypeFloat32Array,
kJSTypedArrayTypeFloat64Array,
kJSTypedArrayTypeArrayBuffer,
kJSTypedArrayTypeNone,
_,
};
pub const kJSTypedArrayTypeInt8Array = @enumToInt(JSTypedArrayType.kJSTypedArrayTypeInt8Array);
pub const kJSTypedArrayTypeInt16Array = @enumToInt(JSTypedArrayType.kJSTypedArrayTypeInt16Array);
pub const kJSTypedArrayTypeInt32Array = @enumToInt(JSTypedArrayType.kJSTypedArrayTypeInt32Array);
pub const kJSTypedArrayTypeUint8Array = @enumToInt(JSTypedArrayType.kJSTypedArrayTypeUint8Array);
pub const kJSTypedArrayTypeUint8ClampedArray = @enumToInt(JSTypedArrayType.kJSTypedArrayTypeUint8ClampedArray);
pub const kJSTypedArrayTypeUint16Array = @enumToInt(JSTypedArrayType.kJSTypedArrayTypeUint16Array);
pub const kJSTypedArrayTypeUint32Array = @enumToInt(JSTypedArrayType.kJSTypedArrayTypeUint32Array);
pub const kJSTypedArrayTypeFloat32Array = @enumToInt(JSTypedArrayType.kJSTypedArrayTypeFloat32Array);
pub const kJSTypedArrayTypeFloat64Array = @enumToInt(JSTypedArrayType.kJSTypedArrayTypeFloat64Array);
pub const kJSTypedArrayTypeArrayBuffer = @enumToInt(JSTypedArrayType.kJSTypedArrayTypeArrayBuffer);
pub const kJSTypedArrayTypeNone = @enumToInt(JSTypedArrayType.kJSTypedArrayTypeNone);
pub extern fn JSValueGetType(ctx: JSContextRef, value: JSValueRef) JSType;
pub extern fn JSValueIsUndefined(ctx: JSContextRef, value: JSValueRef) bool;
pub extern fn JSValueIsNull(ctx: JSContextRef, value: JSValueRef) bool;
pub extern fn JSValueIsBoolean(ctx: JSContextRef, value: JSValueRef) bool;
pub extern fn JSValueIsNumber(ctx: JSContextRef, value: JSValueRef) bool;
pub extern fn JSValueIsString(ctx: JSContextRef, value: JSValueRef) bool;
pub extern fn JSValueIsSymbol(ctx: JSContextRef, value: JSValueRef) bool;
pub extern fn JSValueIsObject(ctx: JSContextRef, value: JSValueRef) bool;
pub extern fn JSValueIsObjectOfClass(ctx: JSContextRef, value: JSValueRef, jsClass: JSClassRef) bool;
pub extern fn JSValueIsArray(ctx: JSContextRef, value: JSValueRef) bool;
pub extern fn JSValueIsDate(ctx: JSContextRef, value: JSValueRef) bool;
pub extern fn JSValueGetTypedArrayType(ctx: JSContextRef, value: JSValueRef, exception: [*c]JSValueRef) JSTypedArrayType;
pub extern fn JSValueIsEqual(ctx: JSContextRef, a: JSValueRef, b: JSValueRef, exception: [*c]JSValueRef) bool;
pub extern fn JSValueIsStrictEqual(ctx: JSContextRef, a: JSValueRef, b: JSValueRef) bool;
pub extern fn JSValueIsInstanceOfConstructor(ctx: JSContextRef, value: JSValueRef, constructor: JSObjectRef, exception: [*c]JSValueRef) bool;
pub extern fn JSValueMakeUndefined(ctx: JSContextRef) JSValueRef;
pub extern fn JSValueMakeNull(ctx: JSContextRef) JSValueRef;
pub extern fn JSValueMakeBoolean(ctx: JSContextRef, boolean: bool) JSValueRef;
pub extern fn JSValueMakeNumber(ctx: JSContextRef, number: f64) JSValueRef;
pub extern fn JSValueMakeString(ctx: JSContextRef, string: JSStringRef) JSValueRef;
pub extern fn JSValueMakeSymbol(ctx: JSContextRef, description: JSStringRef) JSValueRef;
pub extern fn JSValueMakeFromJSONString(ctx: JSContextRef, string: JSStringRef) JSValueRef;
pub extern fn JSValueCreateJSONString(ctx: JSContextRef, value: JSValueRef, indent: c_uint, exception: [*c]JSValueRef) JSStringRef;
pub extern fn JSValueToBoolean(ctx: JSContextRef, value: JSValueRef) bool;
pub extern fn JSValueToNumber(ctx: JSContextRef, value: JSValueRef, exception: [*c]JSValueRef) f64;
pub extern fn JSValueToStringCopy(ctx: JSContextRef, value: JSValueRef, exception: [*c]JSValueRef) JSStringRef;
pub extern fn JSValueToObject(ctx: JSContextRef, value: JSValueRef, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSValueProtect(ctx: JSContextRef, value: JSValueRef) void;
pub extern fn JSValueUnprotect(ctx: JSContextRef, value: JSValueRef) void;
pub const JSPropertyAttributes = enum(c_uint) {
kJSPropertyAttributeNone = 0,
kJSPropertyAttributeReadOnly = 2,
kJSPropertyAttributeDontEnum = 4,
kJSPropertyAttributeDontDelete = 8,
_,
};
pub const kJSPropertyAttributeNone = @enumToInt(JSPropertyAttributes.kJSPropertyAttributeNone);
pub const kJSPropertyAttributeReadOnly = @enumToInt(JSPropertyAttributes.kJSPropertyAttributeReadOnly);
pub const kJSPropertyAttributeDontEnum = @enumToInt(JSPropertyAttributes.kJSPropertyAttributeDontEnum);
pub const kJSPropertyAttributeDontDelete = @enumToInt(JSPropertyAttributes.kJSPropertyAttributeDontDelete);
pub const JSClassAttributes = enum(c_uint) {
kJSClassAttributeNone = 0,
kJSClassAttributeNoAutomaticPrototype = 2,
_,
};
pub const kJSClassAttributeNone = @enumToInt(JSClassAttributes.kJSClassAttributeNone);
pub const kJSClassAttributeNoAutomaticPrototype = @enumToInt(JSClassAttributes.kJSClassAttributeNoAutomaticPrototype);
pub const JSObjectInitializeCallback = ?fn (JSContextRef, JSObjectRef) callconv(.C) void;
pub const JSObjectFinalizeCallback = ?fn (JSObjectRef) callconv(.C) void;
pub const JSObjectHasPropertyCallback = ?fn (JSContextRef, JSObjectRef, JSStringRef) callconv(.C) bool;
pub const JSObjectGetPropertyCallback = ?fn (JSContextRef, JSObjectRef, JSStringRef, [*c]JSValueRef) callconv(.C) JSValueRef;
pub const JSObjectSetPropertyCallback = ?fn (JSContextRef, JSObjectRef, JSStringRef, JSValueRef, [*c]JSValueRef) callconv(.C) bool;
pub const JSObjectDeletePropertyCallback = ?fn (JSContextRef, JSObjectRef, JSStringRef, [*c]JSValueRef) callconv(.C) bool;
pub const JSObjectGetPropertyNamesCallback = ?fn (JSContextRef, JSObjectRef, JSPropertyNameAccumulatorRef) callconv(.C) void;
pub const JSObjectCallAsFunctionCallback = ?fn (ctx: JSContextRef, function: JSObjectRef, thisObject: JSObjectRef, argumentCount: usize, arguments: [*c]const JSValueRef, exception: [*c]JSValueRef) callconv(.C) JSValueRef;
pub const JSObjectCallAsConstructorCallback = ?fn (JSContextRef, JSObjectRef, usize, [*c]const JSValueRef, [*c]JSValueRef) callconv(.C) JSObjectRef;
pub const JSObjectHasInstanceCallback = ?fn (JSContextRef, JSObjectRef, JSValueRef, [*c]JSValueRef) callconv(.C) bool;
pub const JSObjectConvertToTypeCallback = ?fn (JSContextRef, JSObjectRef, JSType, [*c]JSValueRef) callconv(.C) JSValueRef;
pub const JSStaticValue = extern struct {
name: [*c]const u8,
getProperty: JSObjectGetPropertyCallback,
setProperty: JSObjectSetPropertyCallback,
attributes: JSPropertyAttributes,
};
pub const JSStaticFunction = extern struct {
name: [*c]const u8,
callAsFunction: JSObjectCallAsFunctionCallback,
attributes: JSPropertyAttributes,
};
pub const JSClassDefinition = extern struct {
version: c_int,
attributes: JSClassAttributes,
className: [*c]const u8,
parentClass: JSClassRef,
staticValues: [*c]const JSStaticValue,
staticFunctions: [*c]const JSStaticFunction,
initialize: JSObjectInitializeCallback,
finalize: JSObjectFinalizeCallback,
hasProperty: JSObjectHasPropertyCallback,
getProperty: JSObjectGetPropertyCallback,
setProperty: JSObjectSetPropertyCallback,
deleteProperty: JSObjectDeletePropertyCallback,
getPropertyNames: JSObjectGetPropertyNamesCallback,
callAsFunction: JSObjectCallAsFunctionCallback,
callAsConstructor: JSObjectCallAsConstructorCallback,
hasInstance: JSObjectHasInstanceCallback,
convertToType: JSObjectConvertToTypeCallback,
};
pub extern const kJSClassDefinitionEmpty: JSClassDefinition;
pub extern fn JSClassCreate(definition: [*c]const JSClassDefinition) JSClassRef;
pub extern fn JSClassRetain(jsClass: JSClassRef) JSClassRef;
pub extern fn JSClassRelease(jsClass: JSClassRef) void;
pub extern fn JSObjectMake(ctx: JSContextRef, jsClass: JSClassRef, data: ?*c_void) JSObjectRef;
pub extern fn JSObjectMakeFunctionWithCallback(ctx: JSContextRef, name: JSStringRef, callAsFunction: JSObjectCallAsFunctionCallback) JSObjectRef;
pub extern fn JSObjectMakeConstructor(ctx: JSContextRef, jsClass: JSClassRef, callAsConstructor: JSObjectCallAsConstructorCallback) JSObjectRef;
pub extern fn JSObjectMakeArray(ctx: JSContextRef, argumentCount: usize, arguments: [*c]const JSValueRef, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectMakeDate(ctx: JSContextRef, argumentCount: usize, arguments: [*c]const JSValueRef, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectMakeError(ctx: JSContextRef, argumentCount: usize, arguments: [*c]const JSValueRef, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectMakeRegExp(ctx: JSContextRef, argumentCount: usize, arguments: [*c]const JSValueRef, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectMakeDeferredPromise(ctx: JSContextRef, resolve: [*c]JSObjectRef, reject: [*c]JSObjectRef, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectMakeFunction(ctx: JSContextRef, name: JSStringRef, parameterCount: c_uint, parameterNames: [*c]const JSStringRef, body: JSStringRef, sourceURL: JSStringRef, startingLineNumber: c_int, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectGetPrototype(ctx: JSContextRef, object: JSObjectRef) JSValueRef;
pub extern fn JSObjectSetPrototype(ctx: JSContextRef, object: JSObjectRef, value: JSValueRef) void;
pub extern fn JSObjectHasProperty(ctx: JSContextRef, object: JSObjectRef, propertyName: JSStringRef) bool;
pub extern fn JSObjectGetProperty(ctx: JSContextRef, object: JSObjectRef, propertyName: JSStringRef, exception: [*c]JSValueRef) JSValueRef;
pub extern fn JSObjectSetProperty(ctx: JSContextRef, object: JSObjectRef, propertyName: JSStringRef, value: JSValueRef, attributes: JSPropertyAttributes, exception: [*c]JSValueRef) void;
pub extern fn JSObjectDeleteProperty(ctx: JSContextRef, object: JSObjectRef, propertyName: JSStringRef, exception: [*c]JSValueRef) bool;
pub extern fn JSObjectHasPropertyForKey(ctx: JSContextRef, object: JSObjectRef, propertyKey: JSValueRef, exception: [*c]JSValueRef) bool;
pub extern fn JSObjectGetPropertyForKey(ctx: JSContextRef, object: JSObjectRef, propertyKey: JSValueRef, exception: [*c]JSValueRef) JSValueRef;
pub extern fn JSObjectSetPropertyForKey(ctx: JSContextRef, object: JSObjectRef, propertyKey: JSValueRef, value: JSValueRef, attributes: JSPropertyAttributes, exception: [*c]JSValueRef) void;
pub extern fn JSObjectDeletePropertyForKey(ctx: JSContextRef, object: JSObjectRef, propertyKey: JSValueRef, exception: [*c]JSValueRef) bool;
pub extern fn JSObjectGetPropertyAtIndex(ctx: JSContextRef, object: JSObjectRef, propertyIndex: c_uint, exception: [*c]JSValueRef) JSValueRef;
pub extern fn JSObjectSetPropertyAtIndex(ctx: JSContextRef, object: JSObjectRef, propertyIndex: c_uint, value: JSValueRef, exception: [*c]JSValueRef) void;
pub extern fn JSObjectGetPrivate(object: JSObjectRef) ?*c_void;
pub extern fn JSObjectSetPrivate(object: JSObjectRef, data: ?*c_void) bool;
pub extern fn JSObjectIsFunction(ctx: JSContextRef, object: JSObjectRef) bool;
pub extern fn JSObjectCallAsFunction(ctx: JSContextRef, object: JSObjectRef, thisObject: JSObjectRef, argumentCount: usize, arguments: [*c]const JSValueRef, exception: [*c]JSValueRef) JSValueRef;
pub extern fn JSObjectIsConstructor(ctx: JSContextRef, object: JSObjectRef) bool;
pub extern fn JSObjectCallAsConstructor(ctx: JSContextRef, object: JSObjectRef, argumentCount: usize, arguments: [*c]const JSValueRef, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectCopyPropertyNames(ctx: JSContextRef, object: JSObjectRef) JSPropertyNameArrayRef;
pub extern fn JSPropertyNameArrayRetain(array: JSPropertyNameArrayRef) JSPropertyNameArrayRef;
pub extern fn JSPropertyNameArrayRelease(array: JSPropertyNameArrayRef) void;
pub extern fn JSPropertyNameArrayGetCount(array: JSPropertyNameArrayRef) usize;
pub extern fn JSPropertyNameArrayGetNameAtIndex(array: JSPropertyNameArrayRef, index: usize) JSStringRef;
pub extern fn JSPropertyNameAccumulatorAddName(accumulator: JSPropertyNameAccumulatorRef, propertyName: JSStringRef) void;
pub extern fn JSContextGroupCreate() JSContextGroupRef;
pub extern fn JSContextGroupRetain(group: JSContextGroupRef) JSContextGroupRef;
pub extern fn JSContextGroupRelease(group: JSContextGroupRef) void;
pub extern fn JSGlobalContextCreate(globalObjectClass: JSClassRef) JSGlobalContextRef;
pub extern fn JSGlobalContextCreateInGroup(group: JSContextGroupRef, globalObjectClass: JSClassRef) JSGlobalContextRef;
pub extern fn JSGlobalContextRetain(ctx: JSGlobalContextRef) JSGlobalContextRef;
pub extern fn JSGlobalContextRelease(ctx: JSGlobalContextRef) void;
pub extern fn JSContextGetGlobalObject(ctx: JSContextRef) JSObjectRef;
pub extern fn JSContextGetGroup(ctx: JSContextRef) JSContextGroupRef;
pub extern fn JSContextGetGlobalContext(ctx: JSContextRef) JSGlobalContextRef;
pub extern fn JSGlobalContextCopyName(ctx: JSGlobalContextRef) JSStringRef;
pub extern fn JSGlobalContextSetName(ctx: JSGlobalContextRef, name: JSStringRef) void;
pub const JSChar = c_ushort;
pub extern fn JSStringCreateWithCharacters(chars: [*c]const JSChar, numChars: usize) JSStringRef;
pub extern fn JSStringCreateWithUTF8CString(string: [*c]const u8) JSStringRef;
pub extern fn JSStringRetain(string: JSStringRef) JSStringRef;
pub extern fn JSStringRelease(string: JSStringRef) void;
pub extern fn JSStringGetLength(string: JSStringRef) usize;
pub extern fn JSStringGetCharactersPtr(string: JSStringRef) [*c]const JSChar;
pub extern fn JSStringGetMaximumUTF8CStringSize(string: JSStringRef) usize;
pub extern fn JSStringGetUTF8CString(string: JSStringRef, buffer: [*c]u8, bufferSize: usize) usize;
pub extern fn JSStringIsEqual(a: JSStringRef, b: JSStringRef) bool;
pub extern fn JSStringIsEqualToUTF8CString(a: JSStringRef, b: [*c]const u8) bool;
pub extern fn JSObjectMakeTypedArray(ctx: JSContextRef, arrayType: JSTypedArrayType, length: usize, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectMakeTypedArrayWithBytesNoCopy(ctx: JSContextRef, arrayType: JSTypedArrayType, bytes: ?*c_void, byteLength: usize, bytesDeallocator: JSTypedArrayBytesDeallocator, deallocatorContext: ?*c_void, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectMakeTypedArrayWithArrayBuffer(ctx: JSContextRef, arrayType: JSTypedArrayType, buffer: JSObjectRef, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectMakeTypedArrayWithArrayBufferAndOffset(ctx: JSContextRef, arrayType: JSTypedArrayType, buffer: JSObjectRef, byteOffset: usize, length: usize, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectGetTypedArrayBytesPtr(ctx: JSContextRef, object: JSObjectRef, exception: [*c]JSValueRef) ?*c_void;
pub extern fn JSObjectGetTypedArrayLength(ctx: JSContextRef, object: JSObjectRef, exception: [*c]JSValueRef) usize;
pub extern fn JSObjectGetTypedArrayByteLength(ctx: JSContextRef, object: JSObjectRef, exception: [*c]JSValueRef) usize;
pub extern fn JSObjectGetTypedArrayByteOffset(ctx: JSContextRef, object: JSObjectRef, exception: [*c]JSValueRef) usize;
pub extern fn JSObjectGetTypedArrayBuffer(ctx: JSContextRef, object: JSObjectRef, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectMakeArrayBufferWithBytesNoCopy(ctx: JSContextRef, bytes: ?*c_void, byteLength: usize, bytesDeallocator: JSTypedArrayBytesDeallocator, deallocatorContext: ?*c_void, exception: [*c]JSValueRef) JSObjectRef;
pub extern fn JSObjectGetArrayBufferBytesPtr(ctx: JSContextRef, object: JSObjectRef, exception: [*c]JSValueRef) ?*c_void;
pub extern fn JSObjectGetArrayBufferByteLength(ctx: JSContextRef, object: JSObjectRef, exception: [*c]JSValueRef) usize;
pub extern fn JSStringCreateWithCFString(string: CFStringRef) JSStringRef;
pub const OpaqueJSContextGroup = struct_OpaqueJSContextGroup;
pub const OpaqueJSContext = struct_OpaqueJSContext;
pub const OpaqueJSString = struct_OpaqueJSString;
pub const OpaqueJSClass = struct_OpaqueJSClass;
pub const OpaqueJSPropertyNameArray = struct_OpaqueJSPropertyNameArray;
pub const OpaqueJSPropertyNameAccumulator = struct_OpaqueJSPropertyNameAccumulator;
pub const OpaqueJSValue = struct_OpaqueJSValue;
// -- Manual --
// StringImpl::createWithoutCopying
// https://github.com/WebKit/webkit/blob/main/Source/JavaScriptCore/API/JSStringRef.cpp#L62
pub extern fn JSStringCreateWithCharactersNoCopy(string: [*c]const JSChar, numChars: size_t) JSStringRef;

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const js = @import("./JavaScriptCore.zig");
const std = @import("std");
usingnamespace @import("../../global.zig");
const Fs = @import("../../fs.zig");
const resolver = @import("../../resolver/resolver.zig");
const ast = @import("../../ast/base.zig");
const NodeModuleBundle = @import("../../node_module_bundle.zig").NodeModuleBundle;
const WTFString = @import("../../wtf_string_mutable.zig").WTFStringMutable;
const logger = @import("../../logger.zig");
pub const ExportJavaScript = union(Tag) {
Module: *Module,
String: *String,
GlobalObject: *GlobalObject,
pub const Tag = enum {
Module,
String,
GlobalObject,
};
};
pub const ResolveFunctionType = fn (ctx: anytype, source_dir: string, import_path: string, import_kind: ast.ImportKind) anyerror!resolver.Result;
pub const TranspileFunctionType = fn (ctx: anytype, resolve_result: resolver.Result) anyerror![:0]const u8;
const JSStringMapContext = struct {
pub fn hash(self: @This(), s: js.JSStringRef) u64 {
return hashString(s);
}
pub fn eql(self: @This(), a: js.JSStringRef, b: js.JSStringRef) bool {
return eqlString(a, b);
}
};
pub fn JSStringMap(comptime V: type) type {
return std.HashMap(js.JSStringRef, V, JSStringMapContext, 60);
}
// If you read JavascriptCore/API/JSVirtualMachine.mm - https://github.com/WebKit/WebKit/blob/acff93fb303baa670c055cb24c2bad08691a01a0/Source/JavaScriptCore/API/JSVirtualMachine.mm#L101
// We can see that it's sort of like std.mem.Allocator but for JSGlobalContextRef, to support Automatic Reference Counting
// Its unavailable on Linux
pub const VirtualMachine = struct {
const RequireCacheType = std.AutoHashMap(u64, Module);
ctx: js.JSGlobalContextRef,
group: js.JSContextGroupRef,
allocator: *std.mem.Allocator,
transpile_ctx: *c_void = undefined,
transpile: *TranspileFunctionType = undefined,
require_cache: RequireCacheType,
resolve_: *ResolveFunctionType = undefined,
resolve_ctx: *c_void = undefined,
node_modules: ?*NodeModuleBundle = null,
node_modules_ref: js.JSObjectRef = null,
global: GlobalObject,
pub fn init(allocator: *std.mem.Allocator) !*VirtualMachine {
var group = js.JSContextGroupCreate();
var ctx = js.JSGlobalContextCreateInGroup(group, null);
Properties.init();
var vm = try allocator.create(VirtualMachine);
vm.* = .{
.allocator = allocator,
.group = group,
.ctx = ctx,
.require_cache = RequireCacheType.init(allocator),
.global = undefined,
};
vm.global = GlobalObject{ .vm = undefined };
return vm;
}
pub fn setupGlobals(this: *VirtualMachine) void {}
pub fn resolve(
this: *VirtualMachine,
from: *const Module,
to: string,
) !js.JSValueRef {
return (try this.resolve_(this.resolve_ctx, from.path.dir, to, .require)) orelse return error.ModuleNotFound;
}
threadlocal var require_buf: [std.fs.MAX_PATH_BYTES]u8 = undefined;
// Assume bundle is already transpiled, so we skip transpiling in here.
pub fn requireFromBundle(this: *VirtualMachine, import_path: string) !js.JSValueRef {}
pub fn require(
this: *VirtualMachine,
module: *const Module,
path_value: js.JSValueRef,
) !js.JSValueRef {
var import_path = To.Zig.str(path_value, &require_buf);
var resolve_result = try this.resolve(module, import_path);
}
threadlocal var eval_buf: WTFString = undefined;
threadlocal var eval_buf_loaded: bool = false;
pub fn evalUtf8(
this: *VirtualMachine,
path_text: string,
contents: string,
) !js.JSValueRef {
if (!eval_buf_loaded) {
eval_buf = try WTFString.init(this.allocator, contents.len + path.text.len + 2);
} else {
eval_buf.reset();
try eval_buf.growIfNeeded(contents.len + path.text.len + 2);
}
try eval_buf.append(contents);
eval_buf.list.append(eval_buf.allocator, 0);
var script_len = eval_buf.list.items.len;
if (path_text.len > 0) {
try eval_buf.append(path_text);
eval_buf.list.append(eval_buf.allocator, 0);
}
var buf = eval_buf.toOwnedSliceLeaky();
var script = js.JSStringCreateWithCharactersNoCopy(buf[0..script_len].ptr, script_len - 1);
var sourceURL: js.JSStringRef = null;
if (path_text.len > 0) {
sourceURL = js.JSStringCreateWithCharactersNoCopy(
buf[script_len + 1 ..].ptr,
buf[script_len + 1 ..].len - 1,
);
}
return js.JSEvaluateScript(
this.ctx,
script,
js.JSValueMakeUndefined(this.ctx),
sourceURL,
0,
null,
);
}
};
pub const BundleLoader = struct {
bundle: *const NodeModuleBundle,
allocator: *std.mem.Allocator,
vm: *VirtualMachine,
loaded: bool = false,
ref: js.JSObjectRef = null,
pub fn init(bundle: *const NodeModuleBundle, allocator: *std.mem.Allocator, vm: *VirtualMachine) BundleLoader {
return BundleLoader{
.bundle = bundle,
.allocator = allocator,
.vm = vm,
};
}
pub fn loadBundle(this: *BundleLoader) !void {}
};
pub const To = struct {
pub const JS = struct {
pub inline fn str(ref: anytype, val: anytype) js.JSStringRef {
return js.JSStringCreateWithUTF8CString(val[0.. :0]);
}
pub fn functionWithCallback(
comptime ZigContextType: type,
zig: *ZigContextType,
name: js.JSStringRef,
ctx: js.JSContextRef,
comptime callback: fn (
obj: *ZigContextType,
ctx: js.JSContextRef,
function: js.JSObjectRef,
thisObject: js.JSObjectRef,
arguments: []js.JSValueRef,
exception: [*c]js.JSValueRef,
) js.JSValueRef,
) js.JSObjectRef {
var function = js.JSObjectMakeFunctionWithCallback(ctx, name, Callback(ZigContextType, callback));
js.JSObjectSetPrivate(function, @ptrCast(*c_void, zig));
return function;
}
pub fn Callback(
comptime ZigContextType: type,
comptime ctxfn: fn (
obj: *ZigContextType,
ctx: js.JSContextRef,
function: js.JSObjectRef,
thisObject: js.JSObjectRef,
arguments: []js.JSValueRef,
exception: [*c]js.JSValueRef,
) js.JSValueRef,
) type {
return struct {
pub fn run(
ctx: js.JSContextRef,
function: js.JSObjectRef,
thisObject: js.JSObjectRef,
argumentCount: usize,
arguments: [*c]const js.JSValueRef,
exception: [*c]js.JSValueRef,
) callconv(.C) js.JSValueRef {
var object_ptr = js.JSObjectGetPrivate(function) orelse {
return js.JSValueMakeUndefined(ctx);
};
return ctxfn(
@intToPtr(ZigContextType, object_ptr),
ctx,
function,
thisObject,
arguments[0..argumentCount],
exception,
);
}
};
}
};
pub const Ref = struct {
pub inline fn str(ref: anytype) js.JSStringRef {
return @as(js.JSStringRef, ref);
}
};
pub const Zig = struct {
pub inline fn str(ref: anytype, buf: anytype) string {
return buf[0..js.JSStringGetUTF8CString(Ref.str(ref), buf.ptr, buf.len)];
}
};
};
pub const Properties = struct {
pub const UTF8 = struct {
pub const module = "module";
pub const globalThis = "globalThis";
pub const exports = "exports";
pub const log = "log";
pub const debug = "debug";
pub const info = "info";
pub const error_ = "error";
pub const warn = "warn";
pub const console = "console";
pub const require = "require";
pub const description = "description";
};
pub const UTF16 = struct {
pub const module = std.unicode.utf8ToUtf16LeStringLiteral("module");
pub const globalThis = std.unicode.utf8ToUtf16LeStringLiteral("globalThis");
pub const exports = std.unicode.utf8ToUtf16LeStringLiteral("exports");
pub const log = std.unicode.utf8ToUtf16LeStringLiteral("log");
pub const debug = std.unicode.utf8ToUtf16LeStringLiteral("debug");
pub const info = std.unicode.utf8ToUtf16LeStringLiteral("info");
pub const error_ = std.unicode.utf8ToUtf16LeStringLiteral("error");
pub const warn = std.unicode.utf8ToUtf16LeStringLiteral("warn");
pub const console = std.unicode.utf8ToUtf16LeStringLiteral("console");
pub const require = std.unicode.utf8ToUtf16LeStringLiteral("require");
pub const description = std.unicode.utf8ToUtf16LeStringLiteral("description");
};
pub const Refs = struct {
pub var module: js.JSStringRef = undefined;
pub var globalThis: js.JSStringRef = undefined;
pub var exports: js.JSStringRef = undefined;
pub var log: js.JSStringRef = undefined;
pub var debug: js.JSStringRef = undefined;
pub var info: js.JSStringRef = undefined;
pub var error_: js.JSStringRef = undefined;
pub var warn: js.JSStringRef = undefined;
pub var console: js.JSStringRef = undefined;
pub var require: js.JSStringRef = undefined;
pub var description: js.JSStringRef = undefined;
};
pub fn init() void {
inline for (std.meta.fieldNames(UTF8)) |name| {
@field(Refs, name) = js.JSStringCreateWithCharactersNoCopy(
&@field(StringStore.UTF16, name),
@field(StringStore.UTF16, name).len,
);
}
}
};
pub const Object = struct {
ref: js.jsObjectRef,
};
pub const String = struct {
ref: js.JSStringRef,
len: usize,
pub fn chars(this: *const String) []js.JSChar {
return js.JSStringGetCharactersPtr(this.ref)[0..js.JSStringGetLength(this.ref)];
}
pub fn eql(this: *const String, str: [*c]const u8) bool {
return str.len == this.len and js.JSStringIsEqualToUTF8CString(this, str);
}
};
pub const Module = struct {
path: Fs.PathName,
require: RequireObject,
hash: u64,
ref: js.JSObjectRef,
pub const RequireObject = struct {};
pub fn require(
this: *Module,
arguments: [*c]const js.JSValueRef,
arguments_len: usize,
exception: [*c]JSValueRef,
) js.JSValueRef {}
};
pub const GlobalObject = struct {
ref: js.JSObjectRef = undefined,
vm: *VirtualMachine,
console: js.JSClassRef = undefined,
console_definition: js.JSClassDefinition = undefined,
pub const ConsoleClass = NewSingletonClass(
GlobalObject,
"Console",
.{
.@"log" = stdout,
.@"info" = stdout,
.@"debug" = stdout,
.@"verbose" = stdout,
.@"error" = stderr,
.@"warn" = stderr,
},
// people sometimes modify console.log, let them.
false,
);
pub fn load(global: *GlobalObject) !void {
global.console_definition = ConsoleClass.define(global, global.vm.ctx);
global.console = js.JSClassCreate(&global.console_definition);
}
fn valuePrinter(comptime ValueType: js.JSType, ctx: js.JSContextRef, arg: js.JSValueRef, writer: anytype) !void {
switch (ValueType) {
.kJSTypeUndefined => {
try writer.writeAll("undefined");
},
.kJSTypeNull => {
try writer.writeAll("null");
},
.kJSTypeBoolean => {
if (js.JSValueToBoolean(ctx, arg)) {
try writer.writeAll("true");
} else {
try writer.writeAll("false");
}
},
.kJSTypeNumber => {
try writer.print("{d}", js.JSValueToNumber(ctx, arg, null));
},
.kJSTypeString => {
var str = String{ .ref = @as(js.JSStringRef, arg) };
var chars = str.chars();
switch (chars.len) {
0 => {
try writer.writeAll("\"\"");
},
else => {
for (chars) |c, i| {
switch (c) {
0...127 => {
// Since we're writing character by character
// it will be really slow if we check for an error every time
_ = writer.write(@intCast(u8, c)) catch 0;
},
// TODO:
else => {},
}
}
},
}
},
.kJSTypeObject => {
// TODO:
try writer.writeAll("[Object object]");
},
.kJSTypeSymbol => {
var description = js.JSObjectGetPropertyForKey(ctx, arg, Properties.Refs.description, null);
return switch (js.JSValueGetType(ctx, description)) {
.kJSTypeString => try valuePrinter(.kJSTypeString, ctx, description, writer),
else => try valuePrinter(.kJSTypeUndefined, ctx, description, writer),
};
},
else => {},
}
}
fn output(
writer: anytype,
ctx: js.JSContextRef,
arguments: []js.JSValueRef,
) !void {
defer Output.flush();
// console.log();
if (arguments.len == 0) {
return js.JSValueMakeUndefined(ctx);
}
const last = arguments.len - 1;
for (arguments) |arg, i| {
switch (js.JSValueGetType(ctx, arg)) {
.kJSTypeUndefined => {
try valuePrinter(.kJSTypeUndefined, ctx, arg, writer);
if (i != last) {
try writer.writeAll(" ");
}
},
.kJSTypeNull => {
try valuePrinter(.kJSTypeNull, ctx, arg, writer);
if (i != last) {
try writer.writeAll(" ");
}
},
.kJSTypeBoolean => {
try valuePrinter(.kJSTypeBoolean, ctx, arg, writer);
if (i != last) {
try writer.writeAll(" ");
}
},
.kJSTypeNumber => {
try valuePrinter(.kJSTypeNumber, ctx, arg, writer);
if (i != last) {
try writer.writeAll(" ");
}
},
.kJSTypeString => {
try valuePrinter(.kJSTypeString, ctx, arg, writer);
if (i != last) {
try writer.writeAll(" ");
}
},
.kJSTypeObject => {
try valuePrinter(.kJSTypeObject, ctx, arg, writer);
if (i != last) {
try writer.writeAll(" ");
}
},
.kJSTypeSymbol => {
try valuePrinter(.kJSTypeSymbol, ctx, arg, writer);
if (i != last) {
try writer.writeAll(" ");
}
},
else => {},
}
}
return js.JSValueMakeUndefined(ctx);
}
pub fn stdout(
obj: *GlobalObject,
ctx: js.JSContextRef,
function: js.JSObjectRef,
thisObject: js.JSObjectRef,
arguments: []js.JSValueRef,
) js.JSValueRef {
return try output(Output.writer(), ctx, arguments);
}
pub fn stderr(
obj: *GlobalObject,
ctx: js.JSContextRef,
function: js.JSObjectRef,
thisObject: js.JSObjectRef,
arguments: []js.JSValueRef,
) js.JSValueRef {
return try output(Output.errorWriter(), ctx, arguments);
// js.JSObjectMakeFunctionWithCallback(ctx: JSContextRef, name: JSStringRef, callAsFunction: JSObjectCallAsFunctionCallback)
}
};
pub fn NewSingletonClass(
comptime ZigType: type,
comptime name: string,
comptime functions: anytype,
comptime read_only: bool,
) type {
return struct {
const ClassDefinitionCreator = @This();
const function_names = std.meta.fieldNames(functions);
const function_name_literals: [function_names.len][]js.JSChar = brk: {
var names = std.mem.zeroes([function_names.len][]js.JSChar);
for (function_names) |field, i| {
names[i] = std.unicode.utf8ToUtf16LeStringLiteral(field);
}
break :brk names;
};
var function_name_refs: [function_names.len]js.JSStringRef = undefined;
const class_name_literal = std.unicode.utf8ToUtf16LeStringLiteral(name);
var static_functions: [function_name_refs.len + 1:0]js.JSStaticFunction = undefined;
pub fn define(zig: *ZigType, ctx: js.JSContextRef) !js.JSClassDefinition {
var def = std.mem.zeroes(js.JSClassDefinition);
inline for (function_name_literals) |function_name, i| {
function_name_refs[i] = js.JSStringCreateWithCharactersNoCopy(&function_name, function_name.len);
static_functions[i] = js.JSStaticFunction{
.name = (function_names[i][0.. :0]).ptr,
.callAsFunction = To.JS.functionWithCallback(
ZigType,
zig,
function_name_refs[i],
ctx,
@field(functions, function_names[i]),
),
.attributes = comptime if (read_only) js.JSPropertyAttributes.kJSPropertyAttributeReadOnly else js.JSPropertyAttributes.kJSPropertyAttributeNone,
};
}
static_functions[function_name_literals.len] = std.mem.zeroes(js.JSStaticFunction);
def.staticFunctions = static_functions[0.. :0].ptr;
def.className = name[0.. :0].ptr;
return def;
}
};
}