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it can call functions

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This commit is contained in:
Jarred Sumner
2022-05-05 09:01:36 -07:00
parent 30ca112260
commit a7b0bc8790
20 changed files with 1021 additions and 423 deletions
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57
src/javascript/jsc/bindings/Process.cpp
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@@ -1,6 +1,8 @@
#include "Process.h"
#include "JavaScriptCore/JSMicrotask.h"
#include "JavaScriptCore/ObjectConstructor.h"
#include "node_api.h"
#include <dlfcn.h>
#pragma mark - Node.js Process
@@ -103,6 +105,54 @@ static JSC_DEFINE_HOST_FUNCTION(Process_functionNextTick,
return JSC::JSValue::encode(JSC::jsUndefined());
}
static JSC_DECLARE_HOST_FUNCTION(Process_functionDlopen);
static JSC_DEFINE_HOST_FUNCTION(Process_functionDlopen,
(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
{
auto scope = DECLARE_THROW_SCOPE(globalObject->vm());
JSC::VM& vm = globalObject->vm();
auto argCount = callFrame->argumentCount();
if (argCount < 2) {
JSC::throwTypeError(globalObject, scope, "dlopen requires 2 arguments"_s);
return JSC::JSValue::encode(JSC::JSValue {});
}
JSC::JSValue moduleValue = callFrame->uncheckedArgument(0);
if (!moduleValue.isObject()) {
JSC::throwTypeError(globalObject, scope, "dlopen requires an object as first argument"_s);
return JSC::JSValue::encode(JSC::JSValue {});
}
JSC::Identifier exportsSymbol = JSC::Identifier::fromString(vm, "exports"_s);
JSC::JSObject* exports = moduleValue.getObject()->getIfPropertyExists(globalObject, exportsSymbol).getObject();
WTF::String filename = callFrame->uncheckedArgument(1).toWTFString(globalObject);
CString utf8 = filename.utf8();
void* handle = dlopen(utf8.data(), RTLD_LAZY);
if (!handle) {
WTF::String msg = WTF::String::fromUTF8(dlerror());
JSC::throwTypeError(globalObject, scope, msg);
return JSC::JSValue::encode(JSC::JSValue {});
}
JSC::EncodedJSValue (*napi_register_module_v1)(JSC::JSGlobalObject * globalObject,
JSC::EncodedJSValue exports);
napi_register_module_v1 = reinterpret_cast<JSC::EncodedJSValue (*)(JSC::JSGlobalObject*,
JSC::EncodedJSValue)>(
dlsym(handle, "napi_register_module_v1"));
if (!napi_register_module_v1) {
dlclose(handle);
JSC::throwTypeError(globalObject, scope, "dlopen failed to napi_register_module_v1"_s);
return JSC::JSValue::encode(JSC::JSValue {});
}
return napi_register_module_v1(globalObject, JSC::JSValue::encode(exports));
}
static JSC_DECLARE_HOST_FUNCTION(Process_functionExit);
static JSC_DEFINE_HOST_FUNCTION(Process_functionExit,
(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
@@ -164,10 +214,15 @@ void Process::finishCreation(JSC::VM& vm)
static_cast<unsigned>(JSC::PropertyAttribute::CustomValue));
this->putDirect(vm, clientData->builtinNames().nextTickPublicName(),
JSC::JSFunction::create(vm, JSC::jsCast<JSC::JSGlobalObject*>(globalObject()), 0,
JSC::JSFunction::create(vm, JSC::jsCast<JSC::JSGlobalObject*>(globalObject()), 1,
WTF::String("nextTick"), Process_functionNextTick),
0);
this->putDirect(vm, JSC::Identifier::fromString(vm, "dlopen"_s),
JSC::JSFunction::create(vm, JSC::jsCast<JSC::JSGlobalObject*>(globalObject()), 1,
WTF::String("dlopen"_s), Process_functionDlopen),
0);
this->putDirect(vm, clientData->builtinNames().cwdPublicName(),
JSC::JSFunction::create(vm, JSC::jsCast<JSC::JSGlobalObject*>(globalObject()), 0,
WTF::String("cwd"), Process_functionCwd),