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cfbfc1b050
PR-URL: https://github.com/nodejs/node/pull/60434 Fixes: https://github.com/nodejs/node/issues/60423 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Richard Lau <richard.lau@ibm.com>
126 lines
3.6 KiB
C++
126 lines
3.6 KiB
C++
#include "node_debug.h"
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#ifdef DEBUG
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#include "node_binding.h"
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#include "env-inl.h"
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#include "util.h"
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#include "v8-fast-api-calls.h"
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#include "v8.h"
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#include <string>
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#include <string_view>
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#include <unordered_map>
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#endif // DEBUG
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namespace node::debug {
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#ifdef DEBUG
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using v8::Context;
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using v8::FastApiCallbackOptions;
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using v8::FunctionCallbackInfo;
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using v8::Local;
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using v8::Number;
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using v8::Object;
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using v8::Value;
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thread_local std::unordered_map<std::string, int> generic_usage_counters;
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thread_local std::unordered_map<FastStringKey, int, FastStringKey::Hash>
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v8_fast_api_call_counts;
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void CountGenericUsage(const char* counter_name) {
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if (generic_usage_counters.find(counter_name) == generic_usage_counters.end())
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generic_usage_counters[counter_name] = 0;
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generic_usage_counters[counter_name]++;
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}
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int GetGenericUsageCount(const char* counter_name) {
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return generic_usage_counters[counter_name];
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}
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void TrackV8FastApiCall(FastStringKey key) {
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v8_fast_api_call_counts[key]++;
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}
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int GetV8FastApiCallCount(FastStringKey key) {
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return v8_fast_api_call_counts[key];
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}
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void GetGenericUsageCount(const FunctionCallbackInfo<Value>& args) {
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Environment* env = Environment::GetCurrent(args);
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if (!args[0]->IsString()) {
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env->ThrowError("getGenericUsageCount must be called with a string");
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return;
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}
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Utf8Value utf8_key(env->isolate(), args[0]);
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args.GetReturnValue().Set(
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GetGenericUsageCount(utf8_key.ToStringView().data()));
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}
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void GetV8FastApiCallCount(const FunctionCallbackInfo<Value>& args) {
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Environment* env = Environment::GetCurrent(args);
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if (!args[0]->IsString()) {
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env->ThrowError("getV8FastApiCallCount must be called with a string");
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return;
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}
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Utf8Value utf8_key(env->isolate(), args[0]);
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args.GetReturnValue().Set(GetV8FastApiCallCount(
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FastStringKey::AllowDynamic(utf8_key.ToStringView())));
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}
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void SlowIsEven(const FunctionCallbackInfo<Value>& args) {
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Environment* env = Environment::GetCurrent(args);
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if (!args[0]->IsNumber()) {
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env->ThrowError("isEven must be called with a number");
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return;
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}
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int64_t value = args[0].As<Number>()->Value();
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args.GetReturnValue().Set(value % 2 == 0);
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}
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bool FastIsEven(Local<Value> receiver,
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const int64_t value,
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// NOLINTNEXTLINE(runtime/references)
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FastApiCallbackOptions& options) {
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TRACK_V8_FAST_API_CALL("debug.isEven");
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return value % 2 == 0;
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}
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void SlowIsOdd(const FunctionCallbackInfo<Value>& args) {
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Environment* env = Environment::GetCurrent(args);
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if (!args[0]->IsNumber()) {
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env->ThrowError("isOdd must be called with a number");
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return;
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}
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int64_t value = args[0].As<Number>()->Value();
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args.GetReturnValue().Set(value % 2 != 0);
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}
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bool FastIsOdd(Local<Value> receiver,
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const int64_t value,
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// NOLINTNEXTLINE(runtime/references)
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FastApiCallbackOptions& options) {
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TRACK_V8_FAST_API_CALL("debug.isOdd");
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return value % 2 != 0;
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}
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static v8::CFunction fast_is_even(v8::CFunction::Make(FastIsEven));
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static v8::CFunction fast_is_odd(v8::CFunction::Make(FastIsOdd));
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void Initialize(Local<Object> target,
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Local<Value> unused,
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Local<Context> context,
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void* priv) {
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SetMethod(context, target, "getV8FastApiCallCount", GetV8FastApiCallCount);
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SetMethod(context, target, "getGenericUsageCount", GetGenericUsageCount);
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SetFastMethod(context, target, "isEven", SlowIsEven, &fast_is_even);
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SetFastMethod(context, target, "isOdd", SlowIsOdd, &fast_is_odd);
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}
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#endif // DEBUG
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} // namespace node::debug
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#ifdef DEBUG
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NODE_BINDING_CONTEXT_AWARE_INTERNAL(debug, node::debug::Initialize)
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#endif // DEBUG
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